diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 715433187212..be976a90c5a6 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -76,9 +76,13 @@ i915-$(CONFIG_PERF_EVENTS) += \
 
 # core display adaptation
 i915-y += \
+	i915_bo.o \
 	i915_display_pc8.o \
+	i915_dpt.o \
+	i915_dsb_buffer.o \
 	i915_hdcp_gsc.o \
 	i915_initial_plane.o \
+	i915_overlay.o \
 	i915_panic.o
 
 # "Graphics Technology" (aka we talk to the gpu)
@@ -270,13 +274,10 @@ i915-y += \
 	display/intel_dpll.o \
 	display/intel_dpll_mgr.o \
 	display/intel_dpt.o \
-	display/intel_dpt_common.o \
 	display/intel_dram.o \
 	display/intel_drrs.o \
 	display/intel_dsb.o \
-	display/intel_dsb_buffer.o \
 	display/intel_fb.o \
-	display/intel_fb_bo.o \
 	display/intel_fb_pin.o \
 	display/intel_fbc.o \
 	display/intel_fdi.o \
diff --git a/drivers/gpu/drm/i915/display/g4x_dp.c b/drivers/gpu/drm/i915/display/g4x_dp.c
index 4cb753177fd8..d7de329abf19 100644
--- a/drivers/gpu/drm/i915/display/g4x_dp.c
+++ b/drivers/gpu/drm/i915/display/g4x_dp.c
@@ -10,7 +10,6 @@
 #include <drm/drm_print.h>
 
 #include "g4x_dp.h"
-#include "i915_reg.h"
 #include "intel_audio.h"
 #include "intel_backlight.h"
 #include "intel_connector.h"
diff --git a/drivers/gpu/drm/i915/display/g4x_hdmi.c b/drivers/gpu/drm/i915/display/g4x_hdmi.c
index 8b22447e8e23..5fe5067c4237 100644
--- a/drivers/gpu/drm/i915/display/g4x_hdmi.c
+++ b/drivers/gpu/drm/i915/display/g4x_hdmi.c
@@ -8,7 +8,6 @@
 #include <drm/drm_print.h>
 
 #include "g4x_hdmi.h"
-#include "i915_reg.h"
 #include "intel_atomic.h"
 #include "intel_audio.h"
 #include "intel_connector.h"
diff --git a/drivers/gpu/drm/i915/display/hsw_ips.c b/drivers/gpu/drm/i915/display/hsw_ips.c
index 008d339d5c21..cbaef3f13f00 100644
--- a/drivers/gpu/drm/i915/display/hsw_ips.c
+++ b/drivers/gpu/drm/i915/display/hsw_ips.c
@@ -6,15 +6,15 @@
 #include <linux/debugfs.h>
 
 #include <drm/drm_print.h>
+#include <drm/intel/intel_pcode_regs.h>
 
 #include "hsw_ips.h"
-#include "i915_reg.h"
 #include "intel_color_regs.h"
 #include "intel_de.h"
 #include "intel_display_regs.h"
 #include "intel_display_rpm.h"
 #include "intel_display_types.h"
-#include "intel_pcode.h"
+#include "intel_parent.h"
 
 static void hsw_ips_enable(const struct intel_crtc_state *crtc_state)
 {
@@ -39,8 +39,8 @@ static void hsw_ips_enable(const struct intel_crtc_state *crtc_state)
 
 	if (display->platform.broadwell) {
 		drm_WARN_ON(display->drm,
-			    intel_pcode_write(display->drm, DISPLAY_IPS_CONTROL,
-					      val | IPS_PCODE_CONTROL));
+			    intel_parent_pcode_write(display, DISPLAY_IPS_CONTROL,
+						     val | IPS_PCODE_CONTROL));
 		/*
 		 * Quoting Art Runyan: "its not safe to expect any particular
 		 * value in IPS_CTL bit 31 after enabling IPS through the
@@ -72,7 +72,7 @@ bool hsw_ips_disable(const struct intel_crtc_state *crtc_state)
 
 	if (display->platform.broadwell) {
 		drm_WARN_ON(display->drm,
-			    intel_pcode_write(display->drm, DISPLAY_IPS_CONTROL, 0));
+			    intel_parent_pcode_write(display, DISPLAY_IPS_CONTROL, 0));
 		/*
 		 * Wait for PCODE to finish disabling IPS. The BSpec specified
 		 * 42ms timeout value leads to occasional timeouts so use 100ms
diff --git a/drivers/gpu/drm/i915/display/i9xx_plane.c b/drivers/gpu/drm/i915/display/i9xx_plane.c
index b1fecf178906..9c16753a1f3b 100644
--- a/drivers/gpu/drm/i915/display/i9xx_plane.c
+++ b/drivers/gpu/drm/i915/display/i9xx_plane.c
@@ -10,7 +10,6 @@
 #include <drm/drm_fourcc.h>
 #include <drm/drm_print.h>
 
-#include "i915_reg.h"
 #include "i9xx_plane.h"
 #include "i9xx_plane_regs.h"
 #include "intel_atomic.h"
diff --git a/drivers/gpu/drm/i915/display/i9xx_wm.c b/drivers/gpu/drm/i915/display/i9xx_wm.c
index 39dfceb438ae..9e170e79dcf6 100644
--- a/drivers/gpu/drm/i915/display/i9xx_wm.c
+++ b/drivers/gpu/drm/i915/display/i9xx_wm.c
@@ -6,8 +6,8 @@
 #include <linux/iopoll.h>
 
 #include <drm/drm_print.h>
+#include <drm/intel/intel_gmd_misc_regs.h>
 
-#include "i915_reg.h"
 #include "i9xx_wm.h"
 #include "i9xx_wm_regs.h"
 #include "intel_atomic.h"
@@ -182,8 +182,8 @@ static bool _intel_set_memory_cxsr(struct intel_display *display, bool enable)
 		intel_de_posting_read(display, DSPFW3(display));
 	} else if (display->platform.i945g || display->platform.i945gm) {
 		was_enabled = intel_de_read(display, FW_BLC_SELF) & FW_BLC_SELF_EN;
-		val = enable ? _MASKED_BIT_ENABLE(FW_BLC_SELF_EN) :
-			       _MASKED_BIT_DISABLE(FW_BLC_SELF_EN);
+		val = enable ? REG_MASKED_FIELD_ENABLE(FW_BLC_SELF_EN) :
+			       REG_MASKED_FIELD_DISABLE(FW_BLC_SELF_EN);
 		intel_de_write(display, FW_BLC_SELF, val);
 		intel_de_posting_read(display, FW_BLC_SELF);
 	} else if (display->platform.i915gm) {
@@ -193,8 +193,8 @@ static bool _intel_set_memory_cxsr(struct intel_display *display, bool enable)
 		 * FW_BLC_SELF. What's going on?
 		 */
 		was_enabled = intel_de_read(display, INSTPM) & INSTPM_SELF_EN;
-		val = enable ? _MASKED_BIT_ENABLE(INSTPM_SELF_EN) :
-			       _MASKED_BIT_DISABLE(INSTPM_SELF_EN);
+		val = enable ? REG_MASKED_FIELD_ENABLE(INSTPM_SELF_EN) :
+			       REG_MASKED_FIELD_DISABLE(INSTPM_SELF_EN);
 		intel_de_write(display, INSTPM, val);
 		intel_de_posting_read(display, INSTPM);
 	} else {
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index fc265f71d72b..c04327979678 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -34,7 +34,6 @@
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
-#include "i915_reg.h"
 #include "icl_dsi.h"
 #include "icl_dsi_regs.h"
 #include "intel_atomic.h"
@@ -1624,12 +1623,6 @@ static int gen11_dsi_dsc_compute_config(struct intel_encoder *encoder,
 	if (crtc_state->pipe_bpp < 8 * 3)
 		return -EINVAL;
 
-	/* FIXME: split only when necessary */
-	if (crtc_state->dsc.slice_count > 1)
-		crtc_state->dsc.num_streams = 2;
-	else
-		crtc_state->dsc.num_streams = 1;
-
 	/* FIXME: initialize from VBT */
 	vdsc_cfg->rc_model_size = DSC_RC_MODEL_SIZE_CONST;
 
diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c b/drivers/gpu/drm/i915/display/intel_alpm.c
index 07ffee38974b..a7350ce8e716 100644
--- a/drivers/gpu/drm/i915/display/intel_alpm.c
+++ b/drivers/gpu/drm/i915/display/intel_alpm.c
@@ -15,6 +15,7 @@
 #include "intel_dp_aux.h"
 #include "intel_psr.h"
 #include "intel_psr_regs.h"
+#include "intel_vrr.h"
 
 #define SILENCE_PERIOD_MIN_TIME	80
 #define SILENCE_PERIOD_MAX_TIME	180
@@ -43,12 +44,6 @@ bool intel_alpm_is_alpm_aux_less(struct intel_dp *intel_dp,
 
 void intel_alpm_init(struct intel_dp *intel_dp)
 {
-	u8 dpcd;
-
-	if (drm_dp_dpcd_readb(&intel_dp->aux, DP_RECEIVER_ALPM_CAP, &dpcd) < 0)
-		return;
-
-	intel_dp->alpm_dpcd = dpcd;
 	mutex_init(&intel_dp->alpm.lock);
 }
 
@@ -248,14 +243,87 @@ bool intel_alpm_compute_params(struct intel_dp *intel_dp,
 	return true;
 }
 
+int intel_alpm_lobf_min_guardband(struct intel_crtc_state *crtc_state)
+{
+	struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
+	int first_sdp_position = adjusted_mode->crtc_vtotal -
+				 adjusted_mode->crtc_vsync_start;
+	int waketime_in_lines;
+
+	/*
+	 * #FIXME: Need to check if io_wake_lines or aux_less_wake_lines
+	 * is applicable. Currently this information is not readily
+	 * available in crtc_state, so max will suffice for now.
+	 */
+	waketime_in_lines = max(crtc_state->alpm_state.io_wake_lines,
+				crtc_state->alpm_state.aux_less_wake_lines);
+
+	if (!crtc_state->has_lobf)
+		return 0;
+
+	return first_sdp_position + waketime_in_lines + crtc_state->set_context_latency;
+}
+
+static bool intel_alpm_lobf_is_window1_sufficient(struct intel_crtc_state *crtc_state)
+{
+	struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
+	int vblank = adjusted_mode->crtc_vtotal - adjusted_mode->crtc_vdisplay;
+	int window1;
+
+	/*
+	 * LOBF must be disabled if the number of lines within Window 1 is not
+	 * greater than ALPM_CTL[ALPM Entry Check]
+	 */
+	window1 = vblank - min(vblank,
+			       crtc_state->vrr.guardband +
+			       crtc_state->set_context_latency);
+
+	return window1 > crtc_state->alpm_state.check_entry_lines;
+}
+
+void intel_alpm_lobf_compute_config_late(struct intel_dp *intel_dp,
+					 struct intel_crtc_state *crtc_state)
+{
+	struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
+	int waketime_in_lines, first_sdp_position;
+
+	if (!crtc_state->has_lobf)
+		return;
+
+	if (!intel_alpm_lobf_is_window1_sufficient(crtc_state)) {
+		crtc_state->has_lobf = false;
+		return;
+	}
+
+	/*
+	 * LOBF can only be enabled if the time from the start of the SCL+Guardband
+	 * window to the position of the first SDP is greater than the time it takes
+	 * to wake the main link.
+	 *
+	 * Position of first sdp : vsync_start
+	 * start of scl + guardband : vtotal - (scl + guardband)
+	 * time in lines to wake main link : waketime_in_lines
+	 *
+	 * Position of first sdp - start of (scl + guardband) > time in lines to wake main link
+	 * vsync_start - (vtotal - (scl + guardband)) > waketime_in_lines
+	 * vsync_start - vtotal + scl + guardband > waketime_in_lines
+	 * scl + guardband > waketime_in_lines + (vtotal - vsync_start)
+	 */
+	first_sdp_position = adjusted_mode->crtc_vtotal - adjusted_mode->crtc_vsync_start;
+	if (intel_alpm_aux_less_wake_supported(intel_dp))
+		waketime_in_lines = crtc_state->alpm_state.io_wake_lines;
+	else
+		waketime_in_lines = crtc_state->alpm_state.aux_less_wake_lines;
+
+	crtc_state->has_lobf = (crtc_state->set_context_latency + crtc_state->vrr.guardband) >
+			       (first_sdp_position + waketime_in_lines);
+}
+
 void intel_alpm_lobf_compute_config(struct intel_dp *intel_dp,
 				    struct intel_crtc_state *crtc_state,
 				    struct drm_connector_state *conn_state)
 {
 	struct intel_display *display = to_intel_display(intel_dp);
-	struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
-	int waketime_in_lines, first_sdp_position;
-	int context_latency, guardband;
 
 	if (intel_dp->alpm.lobf_disable_debug) {
 		drm_dbg_kms(display->drm, "LOBF is disabled by debug flag\n");
@@ -277,8 +345,8 @@ void intel_alpm_lobf_compute_config(struct intel_dp *intel_dp,
 	if (crtc_state->has_psr)
 		return;
 
-	if (crtc_state->vrr.vmin != crtc_state->vrr.vmax ||
-	    crtc_state->vrr.vmin != crtc_state->vrr.flipline)
+	if (!intel_vrr_always_use_vrr_tg(display) ||
+	    !intel_vrr_is_fixed_rr(crtc_state))
 		return;
 
 	if (!(intel_alpm_aux_wake_supported(intel_dp) ||
@@ -288,17 +356,7 @@ void intel_alpm_lobf_compute_config(struct intel_dp *intel_dp,
 	if (!intel_alpm_compute_params(intel_dp, crtc_state))
 		return;
 
-	context_latency = adjusted_mode->crtc_vblank_start - adjusted_mode->crtc_vdisplay;
-	guardband = adjusted_mode->crtc_vtotal -
-		    adjusted_mode->crtc_vdisplay - context_latency;
-	first_sdp_position = adjusted_mode->crtc_vtotal - adjusted_mode->crtc_vsync_start;
-	if (intel_alpm_aux_less_wake_supported(intel_dp))
-		waketime_in_lines = crtc_state->alpm_state.io_wake_lines;
-	else
-		waketime_in_lines = crtc_state->alpm_state.aux_less_wake_lines;
-
-	crtc_state->has_lobf = (context_latency + guardband) >
-		(first_sdp_position + waketime_in_lines);
+	crtc_state->has_lobf = true;
 }
 
 static void lnl_alpm_configure(struct intel_dp *intel_dp,
@@ -388,25 +446,14 @@ void intel_alpm_port_configure(struct intel_dp *intel_dp,
 	intel_de_write(display, PORT_ALPM_LFPS_CTL(port), lfps_ctl_val);
 }
 
-void intel_alpm_pre_plane_update(struct intel_atomic_state *state,
-				 struct intel_crtc *crtc)
+void intel_alpm_lobf_disable(const struct intel_crtc_state *new_crtc_state)
 {
-	struct intel_display *display = to_intel_display(state);
-	const struct intel_crtc_state *crtc_state =
-		intel_atomic_get_new_crtc_state(state, crtc);
-	const struct intel_crtc_state *old_crtc_state =
-		intel_atomic_get_old_crtc_state(state, crtc);
-	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
+	struct intel_display *display = to_intel_display(new_crtc_state);
+	enum transcoder cpu_transcoder = new_crtc_state->cpu_transcoder;
 	struct intel_encoder *encoder;
 
-	if (DISPLAY_VER(display) < 20)
-		return;
-
-	if (crtc_state->has_lobf || crtc_state->has_lobf == old_crtc_state->has_lobf)
-		return;
-
 	for_each_intel_encoder_mask(display->drm, encoder,
-				    crtc_state->uapi.encoder_mask) {
+				    new_crtc_state->uapi.encoder_mask) {
 		struct intel_dp *intel_dp;
 
 		if (!intel_encoder_is_dp(encoder))
@@ -417,12 +464,10 @@ void intel_alpm_pre_plane_update(struct intel_atomic_state *state,
 		if (!intel_dp_is_edp(intel_dp))
 			continue;
 
-		if (old_crtc_state->has_lobf) {
-			mutex_lock(&intel_dp->alpm.lock);
-			intel_de_write(display, ALPM_CTL(display, cpu_transcoder), 0);
-			drm_dbg_kms(display->drm, "Link off between frames (LOBF) disabled\n");
-			mutex_unlock(&intel_dp->alpm.lock);
-		}
+		mutex_lock(&intel_dp->alpm.lock);
+		intel_de_write(display, ALPM_CTL(display, cpu_transcoder), 0);
+		drm_dbg_kms(display->drm, "Link off between frames (LOBF) disabled\n");
+		mutex_unlock(&intel_dp->alpm.lock);
 	}
 }
 
@@ -443,22 +488,13 @@ void intel_alpm_enable_sink(struct intel_dp *intel_dp,
 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG, val);
 }
 
-void intel_alpm_post_plane_update(struct intel_atomic_state *state,
-				  struct intel_crtc *crtc)
+void intel_alpm_lobf_enable(const struct intel_crtc_state *new_crtc_state)
 {
-	struct intel_display *display = to_intel_display(state);
-	const struct intel_crtc_state *crtc_state =
-		intel_atomic_get_new_crtc_state(state, crtc);
-	const struct intel_crtc_state *old_crtc_state =
-		intel_atomic_get_old_crtc_state(state, crtc);
+	struct intel_display *display = to_intel_display(new_crtc_state);
 	struct intel_encoder *encoder;
 
-	if (crtc_state->has_psr || !crtc_state->has_lobf ||
-	    crtc_state->has_lobf == old_crtc_state->has_lobf)
-		return;
-
 	for_each_intel_encoder_mask(display->drm, encoder,
-				    crtc_state->uapi.encoder_mask) {
+				    new_crtc_state->uapi.encoder_mask) {
 		struct intel_dp *intel_dp;
 
 		if (!intel_encoder_is_dp(encoder))
@@ -467,8 +503,8 @@ void intel_alpm_post_plane_update(struct intel_atomic_state *state,
 		intel_dp = enc_to_intel_dp(encoder);
 
 		if (intel_dp_is_edp(intel_dp)) {
-			intel_alpm_enable_sink(intel_dp, crtc_state);
-			intel_alpm_configure(intel_dp, crtc_state);
+			intel_alpm_enable_sink(intel_dp, new_crtc_state);
+			intel_alpm_configure(intel_dp, new_crtc_state);
 		}
 	}
 }
diff --git a/drivers/gpu/drm/i915/display/intel_alpm.h b/drivers/gpu/drm/i915/display/intel_alpm.h
index c6a4ec5b9561..1cf70668ab1b 100644
--- a/drivers/gpu/drm/i915/display/intel_alpm.h
+++ b/drivers/gpu/drm/i915/display/intel_alpm.h
@@ -25,12 +25,10 @@ void intel_alpm_configure(struct intel_dp *intel_dp,
 			  const struct intel_crtc_state *crtc_state);
 void intel_alpm_enable_sink(struct intel_dp *intel_dp,
 			    const struct intel_crtc_state *crtc_state);
-void intel_alpm_pre_plane_update(struct intel_atomic_state *state,
-				 struct intel_crtc *crtc);
+void intel_alpm_lobf_disable(const struct intel_crtc_state *new_crtc_state);
 void intel_alpm_port_configure(struct intel_dp *intel_dp,
 			       const struct intel_crtc_state *crtc_state);
-void intel_alpm_post_plane_update(struct intel_atomic_state *state,
-				  struct intel_crtc *crtc);
+void intel_alpm_lobf_enable(const struct intel_crtc_state *new_crtc_state);
 void intel_alpm_lobf_debugfs_add(struct intel_connector *connector);
 bool intel_alpm_aux_wake_supported(struct intel_dp *intel_dp);
 bool intel_alpm_aux_less_wake_supported(struct intel_dp *intel_dp);
@@ -38,4 +36,7 @@ bool intel_alpm_is_alpm_aux_less(struct intel_dp *intel_dp,
 				 const struct intel_crtc_state *crtc_state);
 void intel_alpm_disable(struct intel_dp *intel_dp);
 bool intel_alpm_get_error(struct intel_dp *intel_dp);
+void intel_alpm_lobf_compute_config_late(struct intel_dp *intel_dp,
+					 struct intel_crtc_state *crtc_state);
+int intel_alpm_lobf_min_guardband(struct intel_crtc_state *crtc_state);
 #endif
diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c
index 5f3c175afdd2..081627e0d917 100644
--- a/drivers/gpu/drm/i915/display/intel_audio.c
+++ b/drivers/gpu/drm/i915/display/intel_audio.c
@@ -37,6 +37,7 @@
 #include "intel_crtc.h"
 #include "intel_de.h"
 #include "intel_display_types.h"
+#include "intel_display_wa.h"
 #include "intel_lpe_audio.h"
 
 /**
@@ -184,17 +185,6 @@ static const struct hdmi_aud_ncts hdmi_aud_ncts_36bpp[] = {
 	{ 192000, TMDS_445_5M, 20480, 371250 },
 };
 
-/*
- * WA_14020863754: Implement Audio Workaround
- * Corner case with Min Hblank Fix can cause audio hang
- */
-static bool needs_wa_14020863754(struct intel_display *display)
-{
-	return DISPLAY_VERx100(display) == 3000 ||
-		DISPLAY_VERx100(display) == 2000 ||
-		DISPLAY_VERx100(display) == 1401;
-}
-
 /* get AUD_CONFIG_PIXEL_CLOCK_HDMI_* value for mode */
 static u32 audio_config_hdmi_pixel_clock(const struct intel_crtc_state *crtc_state)
 {
@@ -440,7 +430,11 @@ static void hsw_audio_codec_disable(struct intel_encoder *encoder,
 	intel_de_rmw(display, HSW_AUD_PIN_ELD_CP_VLD,
 		     AUDIO_OUTPUT_ENABLE(cpu_transcoder), 0);
 
-	if (needs_wa_14020863754(display))
+	/*
+	 * WA_14020863754: Implement Audio Workaround
+	 * Corner case with Min Hblank Fix can cause audio hang
+	 */
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14020863754))
 		intel_de_rmw(display, AUD_CHICKENBIT_REG3, DACBE_DISABLE_MIN_HBLANK_FIX, 0);
 
 	intel_audio_sdp_split_update(old_crtc_state, false);
@@ -572,7 +566,11 @@ static void hsw_audio_codec_enable(struct intel_encoder *encoder,
 
 	intel_audio_sdp_split_update(crtc_state, true);
 
-	if (needs_wa_14020863754(display))
+	/*
+	 * WA_14020863754: Implement Audio Workaround
+	 * Corner case with Min Hblank Fix can cause audio hang
+	 */
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14020863754))
 		intel_de_rmw(display, AUD_CHICKENBIT_REG3, 0, DACBE_DISABLE_MIN_HBLANK_FIX);
 
 	/* Enable audio presence detect */
diff --git a/drivers/gpu/drm/i915/display/intel_backlight.c b/drivers/gpu/drm/i915/display/intel_backlight.c
index a68fdbd2acb9..34e95f05936e 100644
--- a/drivers/gpu/drm/i915/display/intel_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_backlight.c
@@ -12,7 +12,6 @@
 #include <drm/drm_file.h>
 #include <drm/drm_print.h>
 
-#include "i915_reg.h"
 #include "intel_backlight.h"
 #include "intel_backlight_regs.h"
 #include "intel_connector.h"
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index a1fa3571eca0..b6fe87c29aa7 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -41,6 +41,7 @@
 #include "intel_display_utils.h"
 #include "intel_gmbus.h"
 #include "intel_rom.h"
+#include "intel_vdsc.h"
 
 #define _INTEL_BIOS_PRIVATE
 #include "intel_vbt_defs.h"
@@ -1545,6 +1546,10 @@ parse_edp(struct intel_display *display,
 	if (display->vbt.version >= 251)
 		panel->vbt.edp.dsc_disable =
 			panel_bool(edp->edp_dsc_disable, panel_type);
+
+	if (display->vbt.version >= 261)
+		panel->vbt.edp.pipe_joiner_enable =
+			panel_bool(edp->pipe_joiner_enable, panel_type);
 }
 
 static void
@@ -3543,12 +3548,13 @@ bool intel_bios_is_dsi_present(struct intel_display *display,
 	return false;
 }
 
-static void fill_dsc(struct intel_crtc_state *crtc_state,
+static bool fill_dsc(struct intel_crtc_state *crtc_state,
 		     struct dsc_compression_parameters_entry *dsc,
 		     int dsc_max_bpc)
 {
 	struct intel_display *display = to_intel_display(crtc_state);
 	struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
+	int slices_per_line;
 	int bpc = 8;
 
 	vdsc_cfg->dsc_version_major = dsc->version_major;
@@ -3574,26 +3580,33 @@ static void fill_dsc(struct intel_crtc_state *crtc_state,
 	 * throughput etc. into account.
 	 *
 	 * Also, per spec DSI supports 1, 2, 3 or 4 horizontal slices.
+	 *
+	 * FIXME: split only when necessary
 	 */
 	if (dsc->slices_per_line & BIT(2)) {
-		crtc_state->dsc.slice_count = 4;
+		slices_per_line = 4;
 	} else if (dsc->slices_per_line & BIT(1)) {
-		crtc_state->dsc.slice_count = 2;
+		slices_per_line = 2;
 	} else {
 		/* FIXME */
 		if (!(dsc->slices_per_line & BIT(0)))
 			drm_dbg_kms(display->drm,
 				    "VBT: Unsupported DSC slice count for DSI\n");
 
-		crtc_state->dsc.slice_count = 1;
+		slices_per_line = 1;
 	}
 
+	if (drm_WARN_ON(display->drm,
+			!intel_dsc_get_slice_config(display, 1, slices_per_line,
+						    &crtc_state->dsc.slice_config)))
+		return false;
+
 	if (crtc_state->hw.adjusted_mode.crtc_hdisplay %
-	    crtc_state->dsc.slice_count != 0)
+	    intel_dsc_line_slice_count(&crtc_state->dsc.slice_config) != 0)
 		drm_dbg_kms(display->drm,
 			    "VBT: DSC hdisplay %d not divisible by slice count %d\n",
 			    crtc_state->hw.adjusted_mode.crtc_hdisplay,
-			    crtc_state->dsc.slice_count);
+			    intel_dsc_line_slice_count(&crtc_state->dsc.slice_config));
 
 	/*
 	 * The VBT rc_buffer_block_size and rc_buffer_size definitions
@@ -3608,6 +3621,8 @@ static void fill_dsc(struct intel_crtc_state *crtc_state,
 	vdsc_cfg->block_pred_enable = dsc->block_prediction_enable;
 
 	vdsc_cfg->slice_height = dsc->slice_height;
+
+	return true;
 }
 
 /* FIXME: initially DSI specific */
@@ -3628,9 +3643,7 @@ bool intel_bios_get_dsc_params(struct intel_encoder *encoder,
 			if (!devdata->dsc)
 				return false;
 
-			fill_dsc(crtc_state, devdata->dsc, dsc_max_bpc);
-
-			return true;
+			return fill_dsc(crtc_state, devdata->dsc, dsc_max_bpc);
 		}
 	}
 
diff --git a/drivers/gpu/drm/i915/display/intel_bo.c b/drivers/gpu/drm/i915/display/intel_bo.c
index 8f372b33d48b..3b82d38a0504 100644
--- a/drivers/gpu/drm/i915/display/intel_bo.c
+++ b/drivers/gpu/drm/i915/display/intel_bo.c
@@ -1,87 +1,87 @@
 // SPDX-License-Identifier: MIT
-/* Copyright © 2024 Intel Corporation */
+/* Copyright © 2026 Intel Corporation */
 
-#include <drm/drm_panic.h>
+#include <drm/drm_gem.h>
+#include <drm/intel/display_parent_interface.h>
 
-#include "gem/i915_gem_mman.h"
-#include "gem/i915_gem_object.h"
-#include "gem/i915_gem_object_frontbuffer.h"
-#include "pxp/intel_pxp.h"
-#include "i915_debugfs.h"
 #include "intel_bo.h"
+#include "intel_display_core.h"
+#include "intel_display_types.h"
 
 bool intel_bo_is_tiled(struct drm_gem_object *obj)
 {
-	return i915_gem_object_is_tiled(to_intel_bo(obj));
+	struct intel_display *display = to_intel_display(obj->dev);
+
+	return display->parent->bo->is_tiled && display->parent->bo->is_tiled(obj);
 }
 
 bool intel_bo_is_userptr(struct drm_gem_object *obj)
 {
-	return i915_gem_object_is_userptr(to_intel_bo(obj));
+	struct intel_display *display = to_intel_display(obj->dev);
+
+	return display->parent->bo->is_userptr && display->parent->bo->is_userptr(obj);
 }
 
 bool intel_bo_is_shmem(struct drm_gem_object *obj)
 {
-	return i915_gem_object_is_shmem(to_intel_bo(obj));
+	struct intel_display *display = to_intel_display(obj->dev);
+
+	return display->parent->bo->is_shmem && display->parent->bo->is_shmem(obj);
 }
 
 bool intel_bo_is_protected(struct drm_gem_object *obj)
 {
-	return i915_gem_object_is_protected(to_intel_bo(obj));
+	struct intel_display *display = to_intel_display(obj->dev);
+
+	return display->parent->bo->is_protected(obj);
 }
 
 int intel_bo_key_check(struct drm_gem_object *obj)
 {
-	return intel_pxp_key_check(obj, false);
+	struct intel_display *display = to_intel_display(obj->dev);
+
+	return display->parent->bo->key_check(obj);
 }
 
 int intel_bo_fb_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
 {
-	return i915_gem_fb_mmap(to_intel_bo(obj), vma);
+	struct intel_display *display = to_intel_display(obj->dev);
+
+	return display->parent->bo->fb_mmap(obj, vma);
 }
 
 int intel_bo_read_from_page(struct drm_gem_object *obj, u64 offset, void *dst, int size)
 {
-	return i915_gem_object_read_from_page(to_intel_bo(obj), offset, dst, size);
-}
+	struct intel_display *display = to_intel_display(obj->dev);
 
-struct intel_frontbuffer *intel_bo_frontbuffer_get(struct drm_gem_object *_obj)
-{
-	struct drm_i915_gem_object *obj = to_intel_bo(_obj);
-	struct i915_frontbuffer *front;
-
-	front = i915_gem_object_frontbuffer_get(obj);
-	if (!front)
-		return NULL;
-
-	return &front->base;
-}
-
-void intel_bo_frontbuffer_ref(struct intel_frontbuffer *_front)
-{
-	struct i915_frontbuffer *front =
-		container_of(_front, typeof(*front), base);
-
-	i915_gem_object_frontbuffer_ref(front);
-}
-
-void intel_bo_frontbuffer_put(struct intel_frontbuffer *_front)
-{
-	struct i915_frontbuffer *front =
-		container_of(_front, typeof(*front), base);
-
-	return i915_gem_object_frontbuffer_put(front);
-}
-
-void intel_bo_frontbuffer_flush_for_display(struct intel_frontbuffer *_front)
-{
-	struct i915_frontbuffer *front =
-		container_of(_front, typeof(*front), base);
-
-	i915_gem_object_flush_if_display(front->obj);
+	return display->parent->bo->read_from_page(obj, offset, dst, size);
 }
 
 void intel_bo_describe(struct seq_file *m, struct drm_gem_object *obj)
 {
-	i915_debugfs_describe_obj(m, to_intel_bo(obj));
+	struct intel_display *display = to_intel_display(obj->dev);
+
+	if (display->parent->bo->describe)
+		display->parent->bo->describe(m, obj);
+}
+
+int intel_bo_framebuffer_init(struct drm_gem_object *obj, struct drm_mode_fb_cmd2 *mode_cmd)
+{
+	struct intel_display *display = to_intel_display(obj->dev);
+
+	return display->parent->bo->framebuffer_init(obj, mode_cmd);
+}
+
+void intel_bo_framebuffer_fini(struct drm_gem_object *obj)
+{
+	struct intel_display *display = to_intel_display(obj->dev);
+
+	display->parent->bo->framebuffer_fini(obj);
+}
+
+struct drm_gem_object *intel_bo_framebuffer_lookup(struct intel_display *display,
+						   struct drm_file *filp,
+						   const struct drm_mode_fb_cmd2 *user_mode_cmd)
+{
+	return display->parent->bo->framebuffer_lookup(display->drm, filp, user_mode_cmd);
 }
diff --git a/drivers/gpu/drm/i915/display/intel_bo.h b/drivers/gpu/drm/i915/display/intel_bo.h
index 516a3836a6bc..aec188c706c2 100644
--- a/drivers/gpu/drm/i915/display/intel_bo.h
+++ b/drivers/gpu/drm/i915/display/intel_bo.h
@@ -6,8 +6,11 @@
 
 #include <linux/types.h>
 
+struct drm_file;
 struct drm_gem_object;
+struct drm_mode_fb_cmd2;
 struct drm_scanout_buffer;
+struct intel_display;
 struct intel_framebuffer;
 struct seq_file;
 struct vm_area_struct;
@@ -20,11 +23,12 @@ int intel_bo_key_check(struct drm_gem_object *obj);
 int intel_bo_fb_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
 int intel_bo_read_from_page(struct drm_gem_object *obj, u64 offset, void *dst, int size);
 
-struct intel_frontbuffer *intel_bo_frontbuffer_get(struct drm_gem_object *obj);
-void intel_bo_frontbuffer_ref(struct intel_frontbuffer *front);
-void intel_bo_frontbuffer_put(struct intel_frontbuffer *front);
-void intel_bo_frontbuffer_flush_for_display(struct intel_frontbuffer *front);
-
 void intel_bo_describe(struct seq_file *m, struct drm_gem_object *obj);
 
+void intel_bo_framebuffer_fini(struct drm_gem_object *obj);
+int intel_bo_framebuffer_init(struct drm_gem_object *obj, struct drm_mode_fb_cmd2 *mode_cmd);
+struct drm_gem_object *intel_bo_framebuffer_lookup(struct intel_display *display,
+						   struct drm_file *filp,
+						   const struct drm_mode_fb_cmd2 *user_mode_cmd);
+
 #endif /* __INTEL_BO__ */
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index fe48949b5880..07b4531a4376 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -5,8 +5,8 @@
 
 #include <drm/drm_atomic_state_helper.h>
 #include <drm/drm_print.h>
+#include <drm/intel/intel_pcode_regs.h>
 
-#include "i915_reg.h"
 #include "intel_bw.h"
 #include "intel_crtc.h"
 #include "intel_display_core.h"
@@ -15,7 +15,7 @@
 #include "intel_display_utils.h"
 #include "intel_dram.h"
 #include "intel_mchbar_regs.h"
-#include "intel_pcode.h"
+#include "intel_parent.h"
 #include "intel_uncore.h"
 #include "skl_watermark.h"
 
@@ -114,9 +114,9 @@ static int icl_pcode_read_qgv_point_info(struct intel_display *display,
 	u16 dclk;
 	int ret;
 
-	ret = intel_pcode_read(display->drm, ICL_PCODE_MEM_SUBSYSYSTEM_INFO |
-			       ICL_PCODE_MEM_SS_READ_QGV_POINT_INFO(point),
-			       &val, &val2);
+	ret = intel_parent_pcode_read(display, ICL_PCODE_MEM_SUBSYSYSTEM_INFO |
+				      ICL_PCODE_MEM_SS_READ_QGV_POINT_INFO(point),
+				      &val, &val2);
 	if (ret)
 		return ret;
 
@@ -141,8 +141,8 @@ static int adls_pcode_read_psf_gv_point_info(struct intel_display *display,
 	int ret;
 	int i;
 
-	ret = intel_pcode_read(display->drm, ICL_PCODE_MEM_SUBSYSYSTEM_INFO |
-			       ADL_PCODE_MEM_SS_READ_PSF_GV_INFO, &val, NULL);
+	ret = intel_parent_pcode_read(display, ICL_PCODE_MEM_SUBSYSYSTEM_INFO |
+				      ADL_PCODE_MEM_SS_READ_PSF_GV_INFO, &val, NULL);
 	if (ret)
 		return ret;
 
@@ -189,11 +189,11 @@ static int icl_pcode_restrict_qgv_points(struct intel_display *display,
 		return 0;
 
 	/* bspec says to keep retrying for at least 1 ms */
-	ret = intel_pcode_request(display->drm, ICL_PCODE_SAGV_DE_MEM_SS_CONFIG,
-				  points_mask,
-				  ICL_PCODE_REP_QGV_MASK | ADLS_PCODE_REP_PSF_MASK,
-				  ICL_PCODE_REP_QGV_SAFE | ADLS_PCODE_REP_PSF_SAFE,
-				  1);
+	ret = intel_parent_pcode_request(display, ICL_PCODE_SAGV_DE_MEM_SS_CONFIG,
+					 points_mask,
+					 ICL_PCODE_REP_QGV_MASK | ADLS_PCODE_REP_PSF_MASK,
+					 ICL_PCODE_REP_QGV_SAFE | ADLS_PCODE_REP_PSF_SAFE,
+					 1);
 
 	if (ret < 0) {
 		drm_err(display->drm,
diff --git a/drivers/gpu/drm/i915/display/intel_casf.c b/drivers/gpu/drm/i915/display/intel_casf.c
index 95339b496f24..b167af31de5b 100644
--- a/drivers/gpu/drm/i915/display/intel_casf.c
+++ b/drivers/gpu/drm/i915/display/intel_casf.c
@@ -3,7 +3,6 @@
 
 #include <drm/drm_print.h>
 
-#include "i915_reg.h"
 #include "intel_casf.h"
 #include "intel_casf_regs.h"
 #include "intel_de.h"
@@ -116,6 +115,12 @@ int intel_casf_compute_config(struct intel_crtc_state *crtc_state)
 		return 0;
 	}
 
+	/* CASF with joiner not supported in hardware */
+	if (crtc_state->joiner_pipes) {
+		drm_dbg_kms(display->drm, "CASF not supported with joiner\n");
+		return -EINVAL;
+	}
+
 	crtc_state->hw.casf_params.casf_enable = true;
 
 	/*
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index f5946e677c93..121a12c5b8ac 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -27,9 +27,9 @@
 
 #include <drm/drm_fixed.h>
 #include <drm/drm_print.h>
+#include <drm/intel/intel_pcode_regs.h>
 
 #include "hsw_ips.h"
-#include "i915_reg.h"
 #include "intel_atomic.h"
 #include "intel_audio.h"
 #include "intel_cdclk.h"
@@ -42,8 +42,8 @@
 #include "intel_display_wa.h"
 #include "intel_dram.h"
 #include "intel_mchbar_regs.h"
+#include "intel_parent.h"
 #include "intel_pci_config.h"
-#include "intel_pcode.h"
 #include "intel_plane.h"
 #include "intel_psr.h"
 #include "intel_step.h"
@@ -888,7 +888,7 @@ static void bdw_set_cdclk(struct intel_display *display,
 		     "trying to change cdclk frequency with cdclk not enabled\n"))
 		return;
 
-	ret = intel_pcode_write(display->drm, BDW_PCODE_DISPLAY_FREQ_CHANGE_REQ, 0x0);
+	ret = intel_parent_pcode_write(display, BDW_PCODE_DISPLAY_FREQ_CHANGE_REQ, 0x0);
 	if (ret) {
 		drm_err(display->drm,
 			"failed to inform pcode about cdclk change\n");
@@ -918,8 +918,8 @@ static void bdw_set_cdclk(struct intel_display *display,
 	if (ret)
 		drm_err(display->drm, "Switching back to LCPLL failed\n");
 
-	intel_pcode_write(display->drm, HSW_PCODE_DE_WRITE_FREQ_REQ,
-			  cdclk_config->voltage_level);
+	intel_parent_pcode_write(display, HSW_PCODE_DE_WRITE_FREQ_REQ,
+				 cdclk_config->voltage_level);
 
 	intel_de_write(display, CDCLK_FREQ,
 		       DIV_ROUND_CLOSEST(cdclk, 1000) - 1);
@@ -1175,10 +1175,10 @@ static void skl_set_cdclk(struct intel_display *display,
 	drm_WARN_ON_ONCE(display->drm,
 			 display->platform.skylake && vco == 8640000);
 
-	ret = intel_pcode_request(display->drm, SKL_PCODE_CDCLK_CONTROL,
-				  SKL_CDCLK_PREPARE_FOR_CHANGE,
-				  SKL_CDCLK_READY_FOR_CHANGE,
-				  SKL_CDCLK_READY_FOR_CHANGE, 3);
+	ret = intel_parent_pcode_request(display, SKL_PCODE_CDCLK_CONTROL,
+					 SKL_CDCLK_PREPARE_FOR_CHANGE,
+					 SKL_CDCLK_READY_FOR_CHANGE,
+					 SKL_CDCLK_READY_FOR_CHANGE, 3);
 	if (ret) {
 		drm_err(display->drm,
 			"Failed to inform PCU about cdclk change (%d)\n", ret);
@@ -1221,8 +1221,8 @@ static void skl_set_cdclk(struct intel_display *display,
 	intel_de_posting_read(display, CDCLK_CTL);
 
 	/* inform PCU of the change */
-	intel_pcode_write(display->drm, SKL_PCODE_CDCLK_CONTROL,
-			  cdclk_config->voltage_level);
+	intel_parent_pcode_write(display, SKL_PCODE_CDCLK_CONTROL,
+				 cdclk_config->voltage_level);
 
 	intel_update_cdclk(display);
 }
@@ -1870,7 +1870,7 @@ static void icl_cdclk_pll_disable(struct intel_display *display)
 	 *      after the PLL is enabled (which is already done as part of the
 	 *      normal flow of _bxt_set_cdclk()).
 	 */
-	if (intel_display_wa(display, 13012396614))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_13012396614))
 		intel_de_rmw(display, CDCLK_CTL, MDCLK_SOURCE_SEL_MASK, MDCLK_SOURCE_SEL_CD2XCLK);
 
 	intel_de_rmw(display, BXT_DE_PLL_ENABLE,
@@ -2186,7 +2186,8 @@ static u32 bxt_cdclk_ctl(struct intel_display *display,
 		 * icl_cdclk_pll_disable().  Here we are just making sure
 		 * we keep the expected value.
 		 */
-		if (intel_display_wa(display, 13012396614) && vco == 0)
+		if (intel_display_wa(display, INTEL_DISPLAY_WA_13012396614) &&
+		    vco == 0)
 			val |= MDCLK_SOURCE_SEL_CD2XCLK;
 		else
 			val |= xe2lpd_mdclk_source_sel(display);
@@ -2247,18 +2248,18 @@ static void bxt_set_cdclk(struct intel_display *display,
 	if (DISPLAY_VER(display) >= 14 || display->platform.dg2)
 		; /* NOOP */
 	else if (DISPLAY_VER(display) >= 11)
-		ret = intel_pcode_request(display->drm, SKL_PCODE_CDCLK_CONTROL,
-					  SKL_CDCLK_PREPARE_FOR_CHANGE,
-					  SKL_CDCLK_READY_FOR_CHANGE,
-					  SKL_CDCLK_READY_FOR_CHANGE, 3);
+		ret = intel_parent_pcode_request(display, SKL_PCODE_CDCLK_CONTROL,
+						 SKL_CDCLK_PREPARE_FOR_CHANGE,
+						 SKL_CDCLK_READY_FOR_CHANGE,
+						 SKL_CDCLK_READY_FOR_CHANGE, 3);
 	else
 		/*
 		 * BSpec requires us to wait up to 150usec, but that leads to
 		 * timeouts; the 2ms used here is based on experiment.
 		 */
-		ret = intel_pcode_write_timeout(display->drm,
-						HSW_PCODE_DE_WRITE_FREQ_REQ,
-						0x80000000, 2);
+		ret = intel_parent_pcode_write_timeout(display,
+						       HSW_PCODE_DE_WRITE_FREQ_REQ,
+						       0x80000000, 2);
 
 	if (ret) {
 		drm_err(display->drm,
@@ -2287,8 +2288,8 @@ static void bxt_set_cdclk(struct intel_display *display,
 		 * Display versions 14 and beyond
 		 */;
 	else if (DISPLAY_VER(display) >= 11 && !display->platform.dg2)
-		ret = intel_pcode_write(display->drm, SKL_PCODE_CDCLK_CONTROL,
-					cdclk_config->voltage_level);
+		ret = intel_parent_pcode_write(display, SKL_PCODE_CDCLK_CONTROL,
+					       cdclk_config->voltage_level);
 	if (DISPLAY_VER(display) < 11) {
 		/*
 		 * The timeout isn't specified, the 2ms used here is based on
@@ -2296,9 +2297,9 @@ static void bxt_set_cdclk(struct intel_display *display,
 		 * FIXME: Waiting for the request completion could be delayed
 		 * until the next PCODE request based on BSpec.
 		 */
-		ret = intel_pcode_write_timeout(display->drm,
-						HSW_PCODE_DE_WRITE_FREQ_REQ,
-						cdclk_config->voltage_level, 2);
+		ret = intel_parent_pcode_write_timeout(display,
+						       HSW_PCODE_DE_WRITE_FREQ_REQ,
+						       cdclk_config->voltage_level, 2);
 	}
 	if (ret) {
 		drm_err(display->drm,
@@ -2598,11 +2599,11 @@ static void intel_pcode_notify(struct intel_display *display,
 	if (pipe_count_update_valid)
 		update_mask |= DISPLAY_TO_PCODE_PIPE_COUNT_VALID;
 
-	ret = intel_pcode_request(display->drm, SKL_PCODE_CDCLK_CONTROL,
-				  SKL_CDCLK_PREPARE_FOR_CHANGE |
-				  update_mask,
-				  SKL_CDCLK_READY_FOR_CHANGE,
-				  SKL_CDCLK_READY_FOR_CHANGE, 3);
+	ret = intel_parent_pcode_request(display, SKL_PCODE_CDCLK_CONTROL,
+					 SKL_CDCLK_PREPARE_FOR_CHANGE |
+					 update_mask,
+					 SKL_CDCLK_READY_FOR_CHANGE,
+					 SKL_CDCLK_READY_FOR_CHANGE, 3);
 	if (ret)
 		drm_err(display->drm,
 			"Failed to inform PCU about display config (err %d)\n",
@@ -4006,7 +4007,7 @@ void intel_init_cdclk_hooks(struct intel_display *display)
 		display->cdclk.table = dg2_cdclk_table;
 	} else if (display->platform.alderlake_p) {
 		/* Wa_22011320316:adl-p[a0] */
-		if (display->platform.alderlake_p && IS_DISPLAY_STEP(display, STEP_A0, STEP_B0)) {
+		if (intel_display_wa(display, INTEL_DISPLAY_WA_22011320316)) {
 			display->cdclk.table = adlp_a_step_cdclk_table;
 			display->funcs.cdclk = &tgl_cdclk_funcs;
 		} else if (display->platform.alderlake_p_raptorlake_u) {
diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c
index 59d637c6a187..6aa6a1dd6e1b 100644
--- a/drivers/gpu/drm/i915/display/intel_crt.c
+++ b/drivers/gpu/drm/i915/display/intel_crt.c
@@ -33,6 +33,7 @@
 #include <drm/drm_edid.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
+#include <video/vga.h>
 
 #include "intel_connector.h"
 #include "intel_crt.h"
@@ -55,6 +56,7 @@
 #include "intel_pch_display.h"
 #include "intel_pch_refclk.h"
 #include "intel_pfit.h"
+#include "intel_vga.h"
 
 /* Here's the desired hotplug mode */
 #define ADPA_HOTPLUG_BITS (ADPA_CRT_HOTPLUG_ENABLE |			\
@@ -691,6 +693,11 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector)
 	return ret;
 }
 
+static bool intel_crt_sense_above_threshold(struct intel_display *display)
+{
+	return intel_vga_read(display, VGA_IS0_R, true) & (1 << 4);
+}
+
 static enum drm_connector_status
 intel_crt_load_detect(struct intel_crt *crt, enum pipe pipe)
 {
@@ -702,7 +709,6 @@ intel_crt_load_detect(struct intel_crt *crt, enum pipe pipe)
 	u32 vsample;
 	u32 vblank, vblank_start, vblank_end;
 	u32 dsl;
-	u8 st00;
 	enum drm_connector_status status;
 
 	drm_dbg_kms(display->drm, "starting load-detect on CRT\n");
@@ -736,8 +742,8 @@ intel_crt_load_detect(struct intel_crt *crt, enum pipe pipe)
 		 * border color for Color info.
 		 */
 		intel_crtc_wait_for_next_vblank(intel_crtc_for_pipe(display, pipe));
-		st00 = intel_de_read8(display, _VGA_MSR_WRITE);
-		status = ((st00 & (1 << 4)) != 0) ?
+
+		status = intel_crt_sense_above_threshold(display) ?
 			connector_status_connected :
 			connector_status_disconnected;
 
@@ -777,15 +783,13 @@ intel_crt_load_detect(struct intel_crt *crt, enum pipe pipe)
 		while ((dsl = intel_de_read(display, PIPEDSL(display, pipe))) <= vsample)
 			;
 		/*
-		 * Watch ST00 for an entire scanline
+		 * Watch sense for an entire scanline
 		 */
 		detect = 0;
 		count = 0;
 		do {
 			count++;
-			/* Read the ST00 VGA status register */
-			st00 = intel_de_read8(display, _VGA_MSR_WRITE);
-			if (st00 & (1 << 4))
+			if (intel_crt_sense_above_threshold(display))
 				detect++;
 		} while ((intel_de_read(display, PIPEDSL(display, pipe)) == dsl));
 
diff --git a/drivers/gpu/drm/i915/display/intel_crt_regs.h b/drivers/gpu/drm/i915/display/intel_crt_regs.h
index 571a67ae9afa..9a93020b9a7e 100644
--- a/drivers/gpu/drm/i915/display/intel_crt_regs.h
+++ b/drivers/gpu/drm/i915/display/intel_crt_regs.h
@@ -45,6 +45,4 @@
 #define   ADPA_VSYNC_ACTIVE_HIGH		REG_BIT(4)
 #define   ADPA_HSYNC_ACTIVE_HIGH		REG_BIT(3)
 
-#define _VGA_MSR_WRITE _MMIO(0x3c2)
-
 #endif /* __INTEL_CRT_REGS_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c b/drivers/gpu/drm/i915/display/intel_crtc.c
index 53378d2dcbec..b8189cd5d864 100644
--- a/drivers/gpu/drm/i915/display/intel_crtc.c
+++ b/drivers/gpu/drm/i915/display/intel_crtc.c
@@ -747,7 +747,9 @@ void intel_pipe_update_end(struct intel_atomic_state *state,
 	 * which would cause the next frame to terminate already at vmin
 	 * vblank start instead of vmax vblank start.
 	 */
-	if (!state->base.legacy_cursor_update)
+	if (!state->base.legacy_cursor_update ||
+	    (intel_psr_use_trans_push(new_crtc_state) &&
+	     !new_crtc_state->vrr.enable))
 		intel_vrr_send_push(NULL, new_crtc_state);
 
 	local_irq_enable();
diff --git a/drivers/gpu/drm/i915/display/intel_cursor.c b/drivers/gpu/drm/i915/display/intel_cursor.c
index 2c5d917fbd7e..18d1014de361 100644
--- a/drivers/gpu/drm/i915/display/intel_cursor.c
+++ b/drivers/gpu/drm/i915/display/intel_cursor.c
@@ -19,6 +19,7 @@
 #include "intel_display.h"
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
+#include "intel_display_wa.h"
 #include "intel_fb.h"
 #include "intel_fb_pin.h"
 #include "intel_frontbuffer.h"
@@ -424,7 +425,7 @@ static u32 i9xx_cursor_ctl(const struct intel_plane_state *plane_state)
 		cntl |= MCURSOR_ROTATE_180;
 
 	/* Wa_22012358565:adl-p */
-	if (DISPLAY_VER(display) == 13)
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_22012358565))
 		cntl |= MCURSOR_ARB_SLOTS(1);
 
 	return cntl;
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index 7288065d2461..6a471c021c0e 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -18,6 +18,7 @@
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
 #include "intel_dp.h"
+#include "intel_dpll.h"
 #include "intel_hdmi.h"
 #include "intel_lt_phy.h"
 #include "intel_panel.h"
@@ -127,8 +128,8 @@ static void intel_cx0_phy_transaction_end(struct intel_encoder *encoder, struct
 	intel_display_power_put(display, POWER_DOMAIN_DC_OFF, wakeref);
 }
 
-void intel_clear_response_ready_flag(struct intel_encoder *encoder,
-				     int lane)
+void intel_cx0_clear_response_ready_flag(struct intel_encoder *encoder,
+					 int lane)
 {
 	struct intel_display *display = to_intel_display(encoder);
 
@@ -155,7 +156,7 @@ void intel_cx0_bus_reset(struct intel_encoder *encoder, int lane)
 		return;
 	}
 
-	intel_clear_response_ready_flag(encoder, lane);
+	intel_cx0_clear_response_ready_flag(encoder, lane);
 }
 
 int intel_cx0_wait_for_ack(struct intel_encoder *encoder,
@@ -222,6 +223,8 @@ static int __intel_cx0_read_once(struct intel_encoder *encoder,
 		return -ETIMEDOUT;
 	}
 
+	intel_cx0_clear_response_ready_flag(encoder, lane);
+
 	intel_de_write(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
 		       XELPDP_PORT_M2P_TRANSACTION_PENDING |
 		       XELPDP_PORT_M2P_COMMAND_READ |
@@ -231,7 +234,7 @@ static int __intel_cx0_read_once(struct intel_encoder *encoder,
 	if (ack < 0)
 		return ack;
 
-	intel_clear_response_ready_flag(encoder, lane);
+	intel_cx0_clear_response_ready_flag(encoder, lane);
 
 	/*
 	 * FIXME: Workaround to let HW to settle
@@ -293,6 +296,8 @@ static int __intel_cx0_write_once(struct intel_encoder *encoder,
 		return -ETIMEDOUT;
 	}
 
+	intel_cx0_clear_response_ready_flag(encoder, lane);
+
 	intel_de_write(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
 		       XELPDP_PORT_M2P_TRANSACTION_PENDING |
 		       (committed ? XELPDP_PORT_M2P_COMMAND_WRITE_COMMITTED :
@@ -321,7 +326,7 @@ static int __intel_cx0_write_once(struct intel_encoder *encoder,
 		return -EINVAL;
 	}
 
-	intel_clear_response_ready_flag(encoder, lane);
+	intel_cx0_clear_response_ready_flag(encoder, lane);
 
 	/*
 	 * FIXME: Workaround to let HW to settle
@@ -547,7 +552,6 @@ void intel_cx0_phy_set_signal_levels(struct intel_encoder *encoder,
  */
 
 static const struct intel_c10pll_state mtl_c10_dp_rbr = {
-	.clock = 162000,
 	.tx = 0x10,
 	.cmn = 0x21,
 	.pll[0] = 0xB4,
@@ -573,7 +577,6 @@ static const struct intel_c10pll_state mtl_c10_dp_rbr = {
 };
 
 static const struct intel_c10pll_state mtl_c10_edp_r216 = {
-	.clock = 216000,
 	.tx = 0x10,
 	.cmn = 0x21,
 	.pll[0] = 0x4,
@@ -599,7 +602,6 @@ static const struct intel_c10pll_state mtl_c10_edp_r216 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_edp_r243 = {
-	.clock = 243000,
 	.tx = 0x10,
 	.cmn = 0x21,
 	.pll[0] = 0x34,
@@ -625,7 +627,6 @@ static const struct intel_c10pll_state mtl_c10_edp_r243 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_dp_hbr1 = {
-	.clock = 270000,
 	.tx = 0x10,
 	.cmn = 0x21,
 	.pll[0] = 0xF4,
@@ -651,7 +652,6 @@ static const struct intel_c10pll_state mtl_c10_dp_hbr1 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_edp_r324 = {
-	.clock = 324000,
 	.tx = 0x10,
 	.cmn = 0x21,
 	.pll[0] = 0xB4,
@@ -677,7 +677,6 @@ static const struct intel_c10pll_state mtl_c10_edp_r324 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_edp_r432 = {
-	.clock = 432000,
 	.tx = 0x10,
 	.cmn = 0x21,
 	.pll[0] = 0x4,
@@ -703,7 +702,6 @@ static const struct intel_c10pll_state mtl_c10_edp_r432 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_dp_hbr2 = {
-	.clock = 540000,
 	.tx = 0x10,
 	.cmn = 0x21,
 	.pll[0] = 0xF4,
@@ -729,7 +727,6 @@ static const struct intel_c10pll_state mtl_c10_dp_hbr2 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_edp_r675 = {
-	.clock = 675000,
 	.tx = 0x10,
 	.cmn = 0x21,
 	.pll[0] = 0xB4,
@@ -755,7 +752,6 @@ static const struct intel_c10pll_state mtl_c10_edp_r675 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_dp_hbr3 = {
-	.clock = 810000,
 	.tx = 0x10,
 	.cmn = 0x21,
 	.pll[0] = 0x34,
@@ -780,30 +776,62 @@ static const struct intel_c10pll_state mtl_c10_dp_hbr3 = {
 	.pll[19] = 0x23,
 };
 
-static const struct intel_c10pll_state * const mtl_c10_dp_tables[] = {
-	&mtl_c10_dp_rbr,
-	&mtl_c10_dp_hbr1,
-	&mtl_c10_dp_hbr2,
-	&mtl_c10_dp_hbr3,
-	NULL,
+struct intel_cx0pll_params {
+	const char *name;
+	bool is_c10;
+	bool is_hdmi;
+	int clock_rate;
+	union {
+		const struct intel_c10pll_state *c10;
+		const struct intel_c20pll_state *c20;
+	};
 };
 
-static const struct intel_c10pll_state * const mtl_c10_edp_tables[] = {
-	&mtl_c10_dp_rbr,
-	&mtl_c10_edp_r216,
-	&mtl_c10_edp_r243,
-	&mtl_c10_dp_hbr1,
-	&mtl_c10_edp_r324,
-	&mtl_c10_edp_r432,
-	&mtl_c10_dp_hbr2,
-	&mtl_c10_edp_r675,
-	&mtl_c10_dp_hbr3,
-	NULL,
+#define __C10PLL_PARAMS(__is_hdmi, __clock_rate, __state) { \
+	.name = __stringify(__state), \
+	.is_c10 = true, \
+	.is_hdmi = __is_hdmi, \
+	.clock_rate = __clock_rate, \
+	.c10 = &__state, \
+}
+
+#define __C20PLL_PARAMS(__is_hdmi, __clock_rate, __state)    { \
+	.name = __stringify(__state), \
+	.is_c10 = false, \
+	.is_hdmi = __is_hdmi, \
+	.clock_rate = __clock_rate, \
+	.c20 = &__state, \
+}
+
+#define C10PLL_HDMI_PARAMS(__clock_rate, __state)       __C10PLL_PARAMS(true, __clock_rate, __state)
+#define C10PLL_DP_PARAMS(__clock_rate, __state)         __C10PLL_PARAMS(false, __clock_rate, __state)
+
+#define C20PLL_HDMI_PARAMS(__clock_rate, __state)       __C20PLL_PARAMS(true, __clock_rate, __state)
+#define C20PLL_DP_PARAMS(__clock_rate, __state)         __C20PLL_PARAMS(false, __clock_rate, __state)
+
+static const struct intel_cx0pll_params mtl_c10_dp_tables[] = {
+	C10PLL_DP_PARAMS(162000, mtl_c10_dp_rbr),
+	C10PLL_DP_PARAMS(270000, mtl_c10_dp_hbr1),
+	C10PLL_DP_PARAMS(540000, mtl_c10_dp_hbr2),
+	C10PLL_DP_PARAMS(810000, mtl_c10_dp_hbr3),
+	{}
+};
+
+static const struct intel_cx0pll_params mtl_c10_edp_tables[] = {
+	C10PLL_DP_PARAMS(162000, mtl_c10_dp_rbr),
+	C10PLL_DP_PARAMS(216000, mtl_c10_edp_r216),
+	C10PLL_DP_PARAMS(243000, mtl_c10_edp_r243),
+	C10PLL_DP_PARAMS(270000, mtl_c10_dp_hbr1),
+	C10PLL_DP_PARAMS(324000, mtl_c10_edp_r324),
+	C10PLL_DP_PARAMS(432000, mtl_c10_edp_r432),
+	C10PLL_DP_PARAMS(540000, mtl_c10_dp_hbr2),
+	C10PLL_DP_PARAMS(675000, mtl_c10_edp_r675),
+	C10PLL_DP_PARAMS(810000, mtl_c10_dp_hbr3),
+	{}
 };
 
 /* C20 basic DP 1.4 tables */
 static const struct intel_c20pll_state mtl_c20_dp_rbr = {
-	.clock = 162000,
 	.tx = {	0xbe88, /* tx cfg0 */
 		0x5800, /* tx cfg1 */
 		0x0000, /* tx cfg2 */
@@ -828,7 +856,6 @@ static const struct intel_c20pll_state mtl_c20_dp_rbr = {
 };
 
 static const struct intel_c20pll_state mtl_c20_dp_hbr1 = {
-	.clock = 270000,
 	.tx = {	0xbe88, /* tx cfg0 */
 		0x4800, /* tx cfg1 */
 		0x0000, /* tx cfg2 */
@@ -853,7 +880,6 @@ static const struct intel_c20pll_state mtl_c20_dp_hbr1 = {
 };
 
 static const struct intel_c20pll_state mtl_c20_dp_hbr2 = {
-	.clock = 540000,
 	.tx = {	0xbe88, /* tx cfg0 */
 		0x4800, /* tx cfg1 */
 		0x0000, /* tx cfg2 */
@@ -878,7 +904,6 @@ static const struct intel_c20pll_state mtl_c20_dp_hbr2 = {
 };
 
 static const struct intel_c20pll_state mtl_c20_dp_hbr3 = {
-	.clock = 810000,
 	.tx = {	0xbe88, /* tx cfg0 */
 		0x4800, /* tx cfg1 */
 		0x0000, /* tx cfg2 */
@@ -904,7 +929,6 @@ static const struct intel_c20pll_state mtl_c20_dp_hbr3 = {
 
 /* C20 basic DP 2.0 tables */
 static const struct intel_c20pll_state mtl_c20_dp_uhbr10 = {
-	.clock = 1000000, /* 10 Gbps */
 	.tx = {	0xbe21, /* tx cfg0 */
 		0xe800, /* tx cfg1 */
 		0x0000, /* tx cfg2 */
@@ -928,7 +952,6 @@ static const struct intel_c20pll_state mtl_c20_dp_uhbr10 = {
 };
 
 static const struct intel_c20pll_state mtl_c20_dp_uhbr13_5 = {
-	.clock = 1350000, /* 13.5 Gbps */
 	.tx = {	0xbea0, /* tx cfg0 */
 		0x4800, /* tx cfg1 */
 		0x0000, /* tx cfg2 */
@@ -953,7 +976,6 @@ static const struct intel_c20pll_state mtl_c20_dp_uhbr13_5 = {
 };
 
 static const struct intel_c20pll_state mtl_c20_dp_uhbr20 = {
-	.clock = 2000000, /* 20 Gbps */
 	.tx = {	0xbe20, /* tx cfg0 */
 		0x4800, /* tx cfg1 */
 		0x0000, /* tx cfg2 */
@@ -976,15 +998,15 @@ static const struct intel_c20pll_state mtl_c20_dp_uhbr20 = {
 		},
 };
 
-static const struct intel_c20pll_state * const mtl_c20_dp_tables[] = {
-	&mtl_c20_dp_rbr,
-	&mtl_c20_dp_hbr1,
-	&mtl_c20_dp_hbr2,
-	&mtl_c20_dp_hbr3,
-	&mtl_c20_dp_uhbr10,
-	&mtl_c20_dp_uhbr13_5,
-	&mtl_c20_dp_uhbr20,
-	NULL,
+static const struct intel_cx0pll_params mtl_c20_dp_tables[] = {
+	C20PLL_DP_PARAMS(162000, mtl_c20_dp_rbr),
+	C20PLL_DP_PARAMS(270000, mtl_c20_dp_hbr1),
+	C20PLL_DP_PARAMS(540000, mtl_c20_dp_hbr2),
+	C20PLL_DP_PARAMS(810000, mtl_c20_dp_hbr3),
+	C20PLL_DP_PARAMS(1000000, mtl_c20_dp_uhbr10),
+	C20PLL_DP_PARAMS(1350000, mtl_c20_dp_uhbr13_5),
+	C20PLL_DP_PARAMS(2000000, mtl_c20_dp_uhbr20),
+	{}
 };
 
 /*
@@ -992,7 +1014,6 @@ static const struct intel_c20pll_state * const mtl_c20_dp_tables[] = {
  */
 
 static const struct intel_c20pll_state xe2hpd_c20_edp_r216 = {
-	.clock = 216000,
 	.tx = { 0xbe88,
 		0x4800,
 		0x0000,
@@ -1017,7 +1038,6 @@ static const struct intel_c20pll_state xe2hpd_c20_edp_r216 = {
 };
 
 static const struct intel_c20pll_state xe2hpd_c20_edp_r243 = {
-	.clock = 243000,
 	.tx = { 0xbe88,
 		0x4800,
 		0x0000,
@@ -1042,7 +1062,6 @@ static const struct intel_c20pll_state xe2hpd_c20_edp_r243 = {
 };
 
 static const struct intel_c20pll_state xe2hpd_c20_edp_r324 = {
-	.clock = 324000,
 	.tx = { 0xbe88,
 		0x4800,
 		0x0000,
@@ -1067,7 +1086,6 @@ static const struct intel_c20pll_state xe2hpd_c20_edp_r324 = {
 };
 
 static const struct intel_c20pll_state xe2hpd_c20_edp_r432 = {
-	.clock = 432000,
 	.tx = { 0xbe88,
 		0x4800,
 		0x0000,
@@ -1092,7 +1110,6 @@ static const struct intel_c20pll_state xe2hpd_c20_edp_r432 = {
 };
 
 static const struct intel_c20pll_state xe2hpd_c20_edp_r675 = {
-	.clock = 675000,
 	.tx = { 0xbe88,
 		0x4800,
 		0x0000,
@@ -1116,21 +1133,20 @@ static const struct intel_c20pll_state xe2hpd_c20_edp_r675 = {
 		  },
 };
 
-static const struct intel_c20pll_state * const xe2hpd_c20_edp_tables[] = {
-	&mtl_c20_dp_rbr,
-	&xe2hpd_c20_edp_r216,
-	&xe2hpd_c20_edp_r243,
-	&mtl_c20_dp_hbr1,
-	&xe2hpd_c20_edp_r324,
-	&xe2hpd_c20_edp_r432,
-	&mtl_c20_dp_hbr2,
-	&xe2hpd_c20_edp_r675,
-	&mtl_c20_dp_hbr3,
-	NULL,
+static const struct intel_cx0pll_params xe2hpd_c20_edp_tables[] = {
+	C20PLL_DP_PARAMS(162000, mtl_c20_dp_rbr),
+	C20PLL_DP_PARAMS(216000, xe2hpd_c20_edp_r216),
+	C20PLL_DP_PARAMS(243000, xe2hpd_c20_edp_r243),
+	C20PLL_DP_PARAMS(270000, mtl_c20_dp_hbr1),
+	C20PLL_DP_PARAMS(324000, xe2hpd_c20_edp_r324),
+	C20PLL_DP_PARAMS(432000, xe2hpd_c20_edp_r432),
+	C20PLL_DP_PARAMS(540000, mtl_c20_dp_hbr2),
+	C20PLL_DP_PARAMS(675000, xe2hpd_c20_edp_r675),
+	C20PLL_DP_PARAMS(810000, mtl_c20_dp_hbr3),
+	{}
 };
 
 static const struct intel_c20pll_state xe2hpd_c20_dp_uhbr13_5 = {
-	.clock = 1350000, /* 13.5 Gbps */
 	.tx = {	0xbea0, /* tx cfg0 */
 		0x4800, /* tx cfg1 */
 		0x0000, /* tx cfg2 */
@@ -1154,30 +1170,30 @@ static const struct intel_c20pll_state xe2hpd_c20_dp_uhbr13_5 = {
 		},
 };
 
-static const struct intel_c20pll_state * const xe2hpd_c20_dp_tables[] = {
-	&mtl_c20_dp_rbr,
-	&mtl_c20_dp_hbr1,
-	&mtl_c20_dp_hbr2,
-	&mtl_c20_dp_hbr3,
-	&mtl_c20_dp_uhbr10,
-	&xe2hpd_c20_dp_uhbr13_5,
-	NULL,
+static const struct intel_cx0pll_params xe2hpd_c20_dp_tables[] = {
+	C20PLL_DP_PARAMS(162000, mtl_c20_dp_rbr),
+	C20PLL_DP_PARAMS(270000, mtl_c20_dp_hbr1),
+	C20PLL_DP_PARAMS(540000, mtl_c20_dp_hbr2),
+	C20PLL_DP_PARAMS(810000, mtl_c20_dp_hbr3),
+	C20PLL_DP_PARAMS(1000000, mtl_c20_dp_uhbr10),
+	C20PLL_DP_PARAMS(1350000, xe2hpd_c20_dp_uhbr13_5),
+	{}
 };
 
-static const struct intel_c20pll_state * const xe3lpd_c20_dp_edp_tables[] = {
-	&mtl_c20_dp_rbr,
-	&xe2hpd_c20_edp_r216,
-	&xe2hpd_c20_edp_r243,
-	&mtl_c20_dp_hbr1,
-	&xe2hpd_c20_edp_r324,
-	&xe2hpd_c20_edp_r432,
-	&mtl_c20_dp_hbr2,
-	&xe2hpd_c20_edp_r675,
-	&mtl_c20_dp_hbr3,
-	&mtl_c20_dp_uhbr10,
-	&xe2hpd_c20_dp_uhbr13_5,
-	&mtl_c20_dp_uhbr20,
-	NULL,
+static const struct intel_cx0pll_params xe3lpd_c20_dp_edp_tables[] = {
+	C20PLL_DP_PARAMS(162000, mtl_c20_dp_rbr),
+	C20PLL_DP_PARAMS(216000, xe2hpd_c20_edp_r216),
+	C20PLL_DP_PARAMS(243000, xe2hpd_c20_edp_r243),
+	C20PLL_DP_PARAMS(270000, mtl_c20_dp_hbr1),
+	C20PLL_DP_PARAMS(324000, xe2hpd_c20_edp_r324),
+	C20PLL_DP_PARAMS(432000, xe2hpd_c20_edp_r432),
+	C20PLL_DP_PARAMS(540000, mtl_c20_dp_hbr2),
+	C20PLL_DP_PARAMS(675000, xe2hpd_c20_edp_r675),
+	C20PLL_DP_PARAMS(810000, mtl_c20_dp_hbr3),
+	C20PLL_DP_PARAMS(1000000, mtl_c20_dp_uhbr10),
+	C20PLL_DP_PARAMS(1350000, xe2hpd_c20_dp_uhbr13_5),
+	C20PLL_DP_PARAMS(2000000, mtl_c20_dp_uhbr20),
+	{}
 };
 
 /*
@@ -1185,7 +1201,6 @@ static const struct intel_c20pll_state * const xe3lpd_c20_dp_edp_tables[] = {
  */
 
 static const struct intel_c10pll_state mtl_c10_hdmi_25_2 = {
-	.clock = 25200,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x4,
@@ -1211,7 +1226,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_25_2 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_27_0 = {
-	.clock = 27000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x34,
@@ -1237,7 +1251,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_27_0 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_74_25 = {
-	.clock = 74250,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4,
@@ -1263,7 +1276,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_74_25 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_148_5 = {
-	.clock = 148500,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4,
@@ -1289,7 +1301,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_148_5 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_594 = {
-	.clock = 594000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4,
@@ -1316,7 +1327,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_594 = {
 
 /* Precomputed C10 HDMI PLL tables */
 static const struct intel_c10pll_state mtl_c10_hdmi_27027 = {
-	.clock = 27027,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xC0, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1326,7 +1336,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_27027 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_28320 = {
-	.clock = 28320,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x04, .pll[1] = 0x00, .pll[2] = 0xCC, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1336,7 +1345,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_28320 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_30240 = {
-	.clock = 30240,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x04, .pll[1] = 0x00, .pll[2] = 0xDC, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1346,7 +1354,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_30240 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_31500 = {
-	.clock = 31500,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x62, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1356,7 +1363,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_31500 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_36000 = {
-	.clock = 36000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xC4, .pll[1] = 0x00, .pll[2] = 0x76, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1366,7 +1372,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_36000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_40000 = {
-	.clock = 40000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x86, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1376,7 +1381,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_40000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_49500 = {
-	.clock = 49500,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x74, .pll[1] = 0x00, .pll[2] = 0xAE, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1386,7 +1390,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_49500 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_50000 = {
-	.clock = 50000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x74, .pll[1] = 0x00, .pll[2] = 0xB0, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1396,7 +1399,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_50000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_57284 = {
-	.clock = 57284,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xCE, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1406,7 +1408,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_57284 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_58000 = {
-	.clock = 58000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xD0, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1416,7 +1417,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_58000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_65000 = {
-	.clock = 65000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x66, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1426,7 +1426,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_65000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_71000 = {
-	.clock = 71000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x72, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1436,7 +1435,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_71000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_74176 = {
-	.clock = 74176,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1446,7 +1444,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_74176 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_75000 = {
-	.clock = 75000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7C, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1456,7 +1453,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_75000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_78750 = {
-	.clock = 78750,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x84, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1466,7 +1462,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_78750 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_85500 = {
-	.clock = 85500,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x92, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1476,7 +1471,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_85500 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_88750 = {
-	.clock = 88750,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x74, .pll[1] = 0x00, .pll[2] = 0x98, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1486,7 +1480,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_88750 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_106500 = {
-	.clock = 106500,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xBC, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1496,7 +1489,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_106500 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_108000 = {
-	.clock = 108000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xC0, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1506,7 +1498,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_108000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_115500 = {
-	.clock = 115500,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xD0, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1516,7 +1507,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_115500 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_119000 = {
-	.clock = 119000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xD6, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1526,7 +1516,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_119000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_135000 = {
-	.clock = 135000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x6C, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1536,7 +1525,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_135000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_138500 = {
-	.clock = 138500,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x70, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1546,7 +1534,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_138500 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_147160 = {
-	.clock = 147160,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x78, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1556,7 +1543,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_147160 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_148352 = {
-	.clock = 148352,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1566,7 +1552,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_148352 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_154000 = {
-	.clock = 154000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x80, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1576,7 +1561,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_154000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_162000 = {
-	.clock = 162000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x88, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1586,7 +1570,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_162000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_167000 = {
-	.clock = 167000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x8C, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1596,7 +1579,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_167000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_197802 = {
-	.clock = 197802,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x74, .pll[1] = 0x00, .pll[2] = 0xAE, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1606,7 +1588,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_197802 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_198000 = {
-	.clock = 198000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x74, .pll[1] = 0x00, .pll[2] = 0xAE, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1616,7 +1597,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_198000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_209800 = {
-	.clock = 209800,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xBA, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1626,7 +1606,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_209800 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_241500 = {
-	.clock = 241500,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xDA, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1636,7 +1615,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_241500 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_262750 = {
-	.clock = 262750,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x68, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1646,7 +1624,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_262750 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_268500 = {
-	.clock = 268500,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x6A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1656,7 +1633,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_268500 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_296703 = {
-	.clock = 296703,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1666,7 +1642,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_296703 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_297000 = {
-	.clock = 297000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1676,7 +1651,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_297000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_319750 = {
-	.clock = 319750,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x86, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1686,7 +1660,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_319750 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_497750 = {
-	.clock = 497750,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xE2, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1696,7 +1669,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_497750 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_592000 = {
-	.clock = 592000,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1706,7 +1678,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_592000 = {
 };
 
 static const struct intel_c10pll_state mtl_c10_hdmi_593407 = {
-	.clock = 593407,
 	.tx = 0x10,
 	.cmn = 0x1,
 	.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1715,82 +1686,56 @@ static const struct intel_c10pll_state mtl_c10_hdmi_593407 = {
 	.pll[15] = 0x08, .pll[16] = 0x08, .pll[17] = 0x8F, .pll[18] = 0x84, .pll[19] = 0x23,
 };
 
-static const struct intel_c10pll_state * const mtl_c10_hdmi_tables[] = {
-	&mtl_c10_hdmi_25_2, /* Consolidated Table */
-	&mtl_c10_hdmi_27_0, /* Consolidated Table */
-	&mtl_c10_hdmi_27027,
-	&mtl_c10_hdmi_28320,
-	&mtl_c10_hdmi_30240,
-	&mtl_c10_hdmi_31500,
-	&mtl_c10_hdmi_36000,
-	&mtl_c10_hdmi_40000,
-	&mtl_c10_hdmi_49500,
-	&mtl_c10_hdmi_50000,
-	&mtl_c10_hdmi_57284,
-	&mtl_c10_hdmi_58000,
-	&mtl_c10_hdmi_65000,
-	&mtl_c10_hdmi_71000,
-	&mtl_c10_hdmi_74176,
-	&mtl_c10_hdmi_74_25, /* Consolidated Table */
-	&mtl_c10_hdmi_75000,
-	&mtl_c10_hdmi_78750,
-	&mtl_c10_hdmi_85500,
-	&mtl_c10_hdmi_88750,
-	&mtl_c10_hdmi_106500,
-	&mtl_c10_hdmi_108000,
-	&mtl_c10_hdmi_115500,
-	&mtl_c10_hdmi_119000,
-	&mtl_c10_hdmi_135000,
-	&mtl_c10_hdmi_138500,
-	&mtl_c10_hdmi_147160,
-	&mtl_c10_hdmi_148352,
-	&mtl_c10_hdmi_148_5, /* Consolidated Table */
-	&mtl_c10_hdmi_154000,
-	&mtl_c10_hdmi_162000,
-	&mtl_c10_hdmi_167000,
-	&mtl_c10_hdmi_197802,
-	&mtl_c10_hdmi_198000,
-	&mtl_c10_hdmi_209800,
-	&mtl_c10_hdmi_241500,
-	&mtl_c10_hdmi_262750,
-	&mtl_c10_hdmi_268500,
-	&mtl_c10_hdmi_296703,
-	&mtl_c10_hdmi_297000,
-	&mtl_c10_hdmi_319750,
-	&mtl_c10_hdmi_497750,
-	&mtl_c10_hdmi_592000,
-	&mtl_c10_hdmi_593407,
-	&mtl_c10_hdmi_594, /* Consolidated Table */
-	NULL,
-};
-
-static const struct intel_c20pll_state mtl_c20_hdmi_25_175 = {
-	.clock = 25175,
-	.tx = {  0xbe88, /* tx cfg0 */
-		  0x9800, /* tx cfg1 */
-		  0x0000, /* tx cfg2 */
-		},
-	.cmn = { 0x0500, /* cmn cfg0*/
-		  0x0005, /* cmn cfg1 */
-		  0x0000, /* cmn cfg2 */
-		  0x0000, /* cmn cfg3 */
-		},
-	.mpllb = { 0xa0d2,	/* mpllb cfg0 */
-		   0x7d80,	/* mpllb cfg1 */
-		   0x0906,	/* mpllb cfg2 */
-		   0xbe40,	/* mpllb cfg3 */
-		   0x0000,	/* mpllb cfg4 */
-		   0x0000,	/* mpllb cfg5 */
-		   0x0200,	/* mpllb cfg6 */
-		   0x0001,	/* mpllb cfg7 */
-		   0x0000,	/* mpllb cfg8 */
-		   0x0000,	/* mpllb cfg9 */
-		   0x0001,	/* mpllb cfg10 */
-		},
+static const struct intel_cx0pll_params mtl_c10_hdmi_tables[] = {
+	C10PLL_HDMI_PARAMS(25200, mtl_c10_hdmi_25_2), /* Consolidated Table */
+	C10PLL_HDMI_PARAMS(27000, mtl_c10_hdmi_27_0), /* Consolidated Table */
+	C10PLL_HDMI_PARAMS(27027, mtl_c10_hdmi_27027),
+	C10PLL_HDMI_PARAMS(28320, mtl_c10_hdmi_28320),
+	C10PLL_HDMI_PARAMS(30240, mtl_c10_hdmi_30240),
+	C10PLL_HDMI_PARAMS(31500, mtl_c10_hdmi_31500),
+	C10PLL_HDMI_PARAMS(36000, mtl_c10_hdmi_36000),
+	C10PLL_HDMI_PARAMS(40000, mtl_c10_hdmi_40000),
+	C10PLL_HDMI_PARAMS(49500, mtl_c10_hdmi_49500),
+	C10PLL_HDMI_PARAMS(50000, mtl_c10_hdmi_50000),
+	C10PLL_HDMI_PARAMS(57284, mtl_c10_hdmi_57284),
+	C10PLL_HDMI_PARAMS(58000, mtl_c10_hdmi_58000),
+	C10PLL_HDMI_PARAMS(65000, mtl_c10_hdmi_65000),
+	C10PLL_HDMI_PARAMS(71000, mtl_c10_hdmi_71000),
+	C10PLL_HDMI_PARAMS(74176, mtl_c10_hdmi_74176),
+	C10PLL_HDMI_PARAMS(74250, mtl_c10_hdmi_74_25), /* Consolidated Table */
+	C10PLL_HDMI_PARAMS(75000, mtl_c10_hdmi_75000),
+	C10PLL_HDMI_PARAMS(78750, mtl_c10_hdmi_78750),
+	C10PLL_HDMI_PARAMS(85500, mtl_c10_hdmi_85500),
+	C10PLL_HDMI_PARAMS(88750, mtl_c10_hdmi_88750),
+	C10PLL_HDMI_PARAMS(106500, mtl_c10_hdmi_106500),
+	C10PLL_HDMI_PARAMS(108000, mtl_c10_hdmi_108000),
+	C10PLL_HDMI_PARAMS(115500, mtl_c10_hdmi_115500),
+	C10PLL_HDMI_PARAMS(119000, mtl_c10_hdmi_119000),
+	C10PLL_HDMI_PARAMS(135000, mtl_c10_hdmi_135000),
+	C10PLL_HDMI_PARAMS(138500, mtl_c10_hdmi_138500),
+	C10PLL_HDMI_PARAMS(147160, mtl_c10_hdmi_147160),
+	C10PLL_HDMI_PARAMS(148352, mtl_c10_hdmi_148352),
+	C10PLL_HDMI_PARAMS(148500, mtl_c10_hdmi_148_5), /* Consolidated Table */
+	C10PLL_HDMI_PARAMS(154000, mtl_c10_hdmi_154000),
+	C10PLL_HDMI_PARAMS(162000, mtl_c10_hdmi_162000),
+	C10PLL_HDMI_PARAMS(167000, mtl_c10_hdmi_167000),
+	C10PLL_HDMI_PARAMS(197802, mtl_c10_hdmi_197802),
+	C10PLL_HDMI_PARAMS(198000, mtl_c10_hdmi_198000),
+	C10PLL_HDMI_PARAMS(209800, mtl_c10_hdmi_209800),
+	C10PLL_HDMI_PARAMS(241500, mtl_c10_hdmi_241500),
+	C10PLL_HDMI_PARAMS(262750, mtl_c10_hdmi_262750),
+	C10PLL_HDMI_PARAMS(268500, mtl_c10_hdmi_268500),
+	C10PLL_HDMI_PARAMS(296703, mtl_c10_hdmi_296703),
+	C10PLL_HDMI_PARAMS(297000, mtl_c10_hdmi_297000),
+	C10PLL_HDMI_PARAMS(319750, mtl_c10_hdmi_319750),
+	C10PLL_HDMI_PARAMS(497750, mtl_c10_hdmi_497750),
+	C10PLL_HDMI_PARAMS(592000, mtl_c10_hdmi_592000),
+	C10PLL_HDMI_PARAMS(593407, mtl_c10_hdmi_593407),
+	C10PLL_HDMI_PARAMS(594000, mtl_c10_hdmi_594), /* Consolidated Table */
+	{}
 };
 
 static const struct intel_c20pll_state mtl_c20_hdmi_27_0 = {
-	.clock = 27000,
 	.tx = {  0xbe88, /* tx cfg0 */
 		  0x9800, /* tx cfg1 */
 		  0x0000, /* tx cfg2 */
@@ -1815,7 +1760,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_27_0 = {
 };
 
 static const struct intel_c20pll_state mtl_c20_hdmi_74_25 = {
-	.clock = 74250,
 	.tx = {  0xbe88, /* tx cfg0 */
 		  0x9800, /* tx cfg1 */
 		  0x0000, /* tx cfg2 */
@@ -1840,7 +1784,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_74_25 = {
 };
 
 static const struct intel_c20pll_state mtl_c20_hdmi_148_5 = {
-	.clock = 148500,
 	.tx = {  0xbe88, /* tx cfg0 */
 		  0x9800, /* tx cfg1 */
 		  0x0000, /* tx cfg2 */
@@ -1865,7 +1808,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_148_5 = {
 };
 
 static const struct intel_c20pll_state mtl_c20_hdmi_594 = {
-	.clock = 594000,
 	.tx = {  0xbe88, /* tx cfg0 */
 		  0x9800, /* tx cfg1 */
 		  0x0000, /* tx cfg2 */
@@ -1890,7 +1832,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_594 = {
 };
 
 static const struct intel_c20pll_state mtl_c20_hdmi_300 = {
-	.clock = 3000000,
 	.tx = {  0xbe98, /* tx cfg0 */
 		  0x8800, /* tx cfg1 */
 		  0x0000, /* tx cfg2 */
@@ -1915,7 +1856,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_300 = {
 };
 
 static const struct intel_c20pll_state mtl_c20_hdmi_600 = {
-	.clock = 6000000,
 	.tx = {  0xbe98, /* tx cfg0 */
 		  0x8800, /* tx cfg1 */
 		  0x0000, /* tx cfg2 */
@@ -1940,7 +1880,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_600 = {
 };
 
 static const struct intel_c20pll_state mtl_c20_hdmi_800 = {
-	.clock = 8000000,
 	.tx = {  0xbe98, /* tx cfg0 */
 		  0x8800, /* tx cfg1 */
 		  0x0000, /* tx cfg2 */
@@ -1965,7 +1904,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_800 = {
 };
 
 static const struct intel_c20pll_state mtl_c20_hdmi_1000 = {
-	.clock = 10000000,
 	.tx = {  0xbe98, /* tx cfg0 */
 		  0x8800, /* tx cfg1 */
 		  0x0000, /* tx cfg2 */
@@ -1990,7 +1928,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_1000 = {
 };
 
 static const struct intel_c20pll_state mtl_c20_hdmi_1200 = {
-	.clock = 12000000,
 	.tx = {  0xbe98, /* tx cfg0 */
 		  0x8800, /* tx cfg1 */
 		  0x0000, /* tx cfg2 */
@@ -2014,21 +1951,20 @@ static const struct intel_c20pll_state mtl_c20_hdmi_1200 = {
 		},
 };
 
-static const struct intel_c20pll_state * const mtl_c20_hdmi_tables[] = {
-	&mtl_c20_hdmi_25_175,
-	&mtl_c20_hdmi_27_0,
-	&mtl_c20_hdmi_74_25,
-	&mtl_c20_hdmi_148_5,
-	&mtl_c20_hdmi_594,
-	&mtl_c20_hdmi_300,
-	&mtl_c20_hdmi_600,
-	&mtl_c20_hdmi_800,
-	&mtl_c20_hdmi_1000,
-	&mtl_c20_hdmi_1200,
-	NULL,
+static const struct intel_cx0pll_params mtl_c20_hdmi_tables[] = {
+	C20PLL_HDMI_PARAMS(27000, mtl_c20_hdmi_27_0),
+	C20PLL_HDMI_PARAMS(74250, mtl_c20_hdmi_74_25),
+	C20PLL_HDMI_PARAMS(148500, mtl_c20_hdmi_148_5),
+	C20PLL_HDMI_PARAMS(594000, mtl_c20_hdmi_594),
+	C20PLL_HDMI_PARAMS(300000, mtl_c20_hdmi_300),
+	C20PLL_HDMI_PARAMS(600000, mtl_c20_hdmi_600),
+	C20PLL_HDMI_PARAMS(800000, mtl_c20_hdmi_800),
+	C20PLL_HDMI_PARAMS(1000000, mtl_c20_hdmi_1000),
+	C20PLL_HDMI_PARAMS(1200000, mtl_c20_hdmi_1200),
+	{}
 };
 
-static const struct intel_c10pll_state * const *
+static const struct intel_cx0pll_params *
 intel_c10pll_tables_get(const struct intel_crtc_state *crtc_state,
 			struct intel_encoder *encoder)
 {
@@ -2103,21 +2039,99 @@ static bool cx0pll_state_is_dp(const struct intel_cx0pll_state *pll_state)
 	return c20pll_state_is_dp(&pll_state->c20);
 }
 
+static int intel_c10pll_calc_port_clock(const struct intel_c10pll_state *pll_state)
+{
+	unsigned int frac_quot = 0, frac_rem = 0, frac_den = 1;
+	unsigned int multiplier, tx_clk_div, hdmi_div, refclk = 38400;
+	int tmpclk = 0;
+
+	if (pll_state->pll[0] & C10_PLL0_FRACEN) {
+		frac_quot = pll_state->pll[12] << 8 | pll_state->pll[11];
+		frac_rem =  pll_state->pll[14] << 8 | pll_state->pll[13];
+		frac_den =  pll_state->pll[10] << 8 | pll_state->pll[9];
+	}
+
+	multiplier = (REG_FIELD_GET8(C10_PLL3_MULTIPLIERH_MASK, pll_state->pll[3]) << 8 |
+		      pll_state->pll[2]) / 2 + 16;
+
+	tx_clk_div = REG_FIELD_GET8(C10_PLL15_TXCLKDIV_MASK, pll_state->pll[15]);
+	hdmi_div = REG_FIELD_GET8(C10_PLL15_HDMIDIV_MASK, pll_state->pll[15]);
+
+	tmpclk = DIV_ROUND_CLOSEST_ULL(mul_u32_u32(refclk, (multiplier << 16) + frac_quot) +
+				     DIV_ROUND_CLOSEST(refclk * frac_rem, frac_den),
+				     10 << (tx_clk_div + 16));
+	tmpclk *= (hdmi_div ? 2 : 1);
+
+	return tmpclk;
+}
+
+static bool intel_c20phy_use_mpllb(const struct intel_c20pll_state *state)
+{
+	return state->tx[0] & C20_PHY_USE_MPLLB;
+}
+
+static int intel_c20pll_calc_port_clock(const struct intel_c20pll_state *pll_state)
+{
+	unsigned int frac, frac_en, frac_quot, frac_rem, frac_den;
+	unsigned int multiplier, refclk = 38400;
+	unsigned int tx_clk_div;
+	unsigned int ref_clk_mpllb_div;
+	unsigned int fb_clk_div4_en;
+	unsigned int ref, vco;
+	unsigned int tx_rate_mult;
+	unsigned int tx_rate = REG_FIELD_GET(C20_PHY_TX_RATE, pll_state->tx[0]);
+
+	if (intel_c20phy_use_mpllb(pll_state)) {
+		tx_rate_mult = 1;
+		frac_en = REG_FIELD_GET(C20_MPLLB_FRACEN, pll_state->mpllb[6]);
+		frac_quot = pll_state->mpllb[8];
+		frac_rem =  pll_state->mpllb[9];
+		frac_den =  pll_state->mpllb[7];
+		multiplier = REG_FIELD_GET(C20_MULTIPLIER_MASK, pll_state->mpllb[0]);
+		tx_clk_div = REG_FIELD_GET(C20_MPLLB_TX_CLK_DIV_MASK, pll_state->mpllb[0]);
+		ref_clk_mpllb_div = REG_FIELD_GET(C20_REF_CLK_MPLLB_DIV_MASK, pll_state->mpllb[6]);
+		fb_clk_div4_en = 0;
+	} else {
+		tx_rate_mult = 2;
+		frac_en = REG_FIELD_GET(C20_MPLLA_FRACEN, pll_state->mplla[6]);
+		frac_quot = pll_state->mplla[8];
+		frac_rem =  pll_state->mplla[9];
+		frac_den =  pll_state->mplla[7];
+		multiplier = REG_FIELD_GET(C20_MULTIPLIER_MASK, pll_state->mplla[0]);
+		tx_clk_div = REG_FIELD_GET(C20_MPLLA_TX_CLK_DIV_MASK, pll_state->mplla[1]);
+		ref_clk_mpllb_div = REG_FIELD_GET(C20_REF_CLK_MPLLB_DIV_MASK, pll_state->mplla[6]);
+		fb_clk_div4_en = REG_FIELD_GET(C20_FB_CLK_DIV4_EN, pll_state->mplla[0]);
+	}
+
+	if (frac_en)
+		frac = frac_quot + DIV_ROUND_CLOSEST(frac_rem, frac_den);
+	else
+		frac = 0;
+
+	ref = DIV_ROUND_CLOSEST(refclk * (1 << (1 + fb_clk_div4_en)), 1 << ref_clk_mpllb_div);
+	vco = DIV_ROUND_CLOSEST_ULL(mul_u32_u32(ref, (multiplier << (17 - 2)) + frac) >> 17, 10);
+
+	return vco << tx_rate_mult >> tx_clk_div >> tx_rate;
+}
+
 /*
  * TODO: Convert the following to align with intel_c20pll_find_table() and
  * intel_c20pll_calc_state_from_table().
  */
 static int intel_c10pll_calc_state_from_table(struct intel_encoder *encoder,
-					      const struct intel_c10pll_state * const *tables,
+					      const struct intel_cx0pll_params *tables,
 					      bool is_dp, int port_clock, int lane_count,
 					      struct intel_cx0pll_state *pll_state)
 {
 	struct intel_display *display = to_intel_display(encoder);
 	int i;
 
-	for (i = 0; tables[i]; i++) {
-		if (port_clock == tables[i]->clock) {
-			pll_state->c10 = *tables[i];
+	for (i = 0; tables[i].name; i++) {
+		int clock = intel_c10pll_calc_port_clock(tables[i].c10);
+
+		drm_WARN_ON(display->drm, !intel_dpll_clock_matches(clock, tables[i].clock_rate));
+		if (intel_dpll_clock_matches(port_clock, clock)) {
+			pll_state->c10 = *tables[i].c10;
 			intel_cx0pll_update_ssc(encoder, pll_state, is_dp);
 			intel_c10pll_update_pll(encoder, pll_state);
 
@@ -2139,7 +2153,7 @@ static int intel_c10pll_calc_state(const struct intel_crtc_state *crtc_state,
 {
 	struct intel_display *display = to_intel_display(encoder);
 	bool is_dp = intel_crtc_has_dp_encoder(crtc_state);
-	const struct intel_c10pll_state * const *tables;
+	const struct intel_cx0pll_params *tables;
 	int err;
 
 	tables = intel_c10pll_tables_get(crtc_state, encoder);
@@ -2166,33 +2180,6 @@ static int intel_c10pll_calc_state(const struct intel_crtc_state *crtc_state,
 	return 0;
 }
 
-static int intel_c10pll_calc_port_clock(struct intel_encoder *encoder,
-					const struct intel_c10pll_state *pll_state)
-{
-	unsigned int frac_quot = 0, frac_rem = 0, frac_den = 1;
-	unsigned int multiplier, tx_clk_div, hdmi_div, refclk = 38400;
-	int tmpclk = 0;
-
-	if (pll_state->pll[0] & C10_PLL0_FRACEN) {
-		frac_quot = pll_state->pll[12] << 8 | pll_state->pll[11];
-		frac_rem =  pll_state->pll[14] << 8 | pll_state->pll[13];
-		frac_den =  pll_state->pll[10] << 8 | pll_state->pll[9];
-	}
-
-	multiplier = (REG_FIELD_GET8(C10_PLL3_MULTIPLIERH_MASK, pll_state->pll[3]) << 8 |
-		      pll_state->pll[2]) / 2 + 16;
-
-	tx_clk_div = REG_FIELD_GET8(C10_PLL15_TXCLKDIV_MASK, pll_state->pll[15]);
-	hdmi_div = REG_FIELD_GET8(C10_PLL15_HDMIDIV_MASK, pll_state->pll[15]);
-
-	tmpclk = DIV_ROUND_CLOSEST_ULL(mul_u32_u32(refclk, (multiplier << 16) + frac_quot) +
-				     DIV_ROUND_CLOSEST(refclk * frac_rem, frac_den),
-				     10 << (tx_clk_div + 16));
-	tmpclk *= (hdmi_div ? 2 : 1);
-
-	return tmpclk;
-}
-
 static int readout_enabled_lane_count(struct intel_encoder *encoder)
 {
 	struct intel_display *display = to_intel_display(encoder);
@@ -2275,8 +2262,6 @@ static void intel_c10pll_readout_hw_state(struct intel_encoder *encoder,
 
 	intel_cx0_phy_transaction_end(encoder, wakeref);
 
-	pll_state->clock = intel_c10pll_calc_port_clock(encoder, pll_state);
-
 	cx0pll_state->ssc_enabled = readout_ssc_state(encoder, true);
 
 	if (cx0pll_state->ssc_enabled != intel_c10pll_ssc_enabled(pll_state))
@@ -2321,8 +2306,7 @@ static void intel_c10pll_dump_hw_state(struct drm_printer *p,
 	unsigned int multiplier, tx_clk_div;
 
 	fracen = hw_state->pll[0] & C10_PLL0_FRACEN;
-	drm_printf(p, "c10pll_hw_state: clock: %d, fracen: %s, ",
-		   hw_state->clock, str_yes_no(fracen));
+	drm_printf(p, "c10pll_hw_state: fracen: %s, ", str_yes_no(fracen));
 
 	if (fracen) {
 		frac_quot = hw_state->pll[12] << 8 | hw_state->pll[11];
@@ -2364,9 +2348,8 @@ static bool is_arrowlake_s_by_host_bridge(void)
 	return pdev && IS_ARROWLAKE_S_BY_HOST_BRIDGE_ID(host_bridge_pci_dev_id);
 }
 
-static u16 intel_c20_hdmi_tmds_tx_cgf_1(const struct intel_crtc_state *crtc_state)
+static u16 intel_c20_hdmi_tmds_tx_cgf_1(struct intel_display *display)
 {
-	struct intel_display *display = to_intel_display(crtc_state);
 	u16 tx_misc;
 	u16 tx_dcc_cal_dac_ctrl_range = 8;
 	u16 tx_term_ctrl = 2;
@@ -2388,7 +2371,8 @@ static u16 intel_c20_hdmi_tmds_tx_cgf_1(const struct intel_crtc_state *crtc_stat
 		C20_PHY_TX_DCC_BYPASS | C20_PHY_TX_TERM_CTL(tx_term_ctrl));
 }
 
-static int intel_c20_compute_hdmi_tmds_pll(const struct intel_crtc_state *crtc_state,
+static int intel_c20_compute_hdmi_tmds_pll(struct intel_display *display,
+					   int port_clock,
 					   struct intel_c20pll_state *pll_state)
 {
 	u64 datarate;
@@ -2402,10 +2386,10 @@ static int intel_c20_compute_hdmi_tmds_pll(const struct intel_crtc_state *crtc_s
 	u8  mpllb_ana_freq_vco;
 	u8  mpll_div_multiplier;
 
-	if (crtc_state->port_clock < 25175 || crtc_state->port_clock > 600000)
+	if (port_clock < 25175 || port_clock > 600000)
 		return -EINVAL;
 
-	datarate = ((u64)crtc_state->port_clock * 1000) * 10;
+	datarate = ((u64)port_clock * 1000) * 10;
 	mpll_tx_clk_div = ilog2(div64_u64((u64)CLOCK_9999MHZ, (u64)datarate));
 	vco_freq_shift = ilog2(div64_u64((u64)CLOCK_4999MHZ * (u64)256, (u64)datarate));
 	vco_freq = (datarate << vco_freq_shift) >> 8;
@@ -2427,9 +2411,8 @@ static int intel_c20_compute_hdmi_tmds_pll(const struct intel_crtc_state *crtc_s
 	else
 		mpllb_ana_freq_vco = MPLLB_ANA_FREQ_VCO_0;
 
-	pll_state->clock	= crtc_state->port_clock;
 	pll_state->tx[0]	= 0xbe88;
-	pll_state->tx[1]	= intel_c20_hdmi_tmds_tx_cgf_1(crtc_state);
+	pll_state->tx[1]	= intel_c20_hdmi_tmds_tx_cgf_1(display);
 	pll_state->tx[2]	= 0x0000;
 	pll_state->cmn[0]	= 0x0500;
 	pll_state->cmn[1]	= 0x0005;
@@ -2457,7 +2440,7 @@ static int intel_c20_compute_hdmi_tmds_pll(const struct intel_crtc_state *crtc_s
 	return 0;
 }
 
-static const struct intel_c20pll_state * const *
+static const struct intel_cx0pll_params *
 intel_c20_pll_tables_get(const struct intel_crtc_state *crtc_state,
 			 struct intel_encoder *encoder)
 {
@@ -2625,20 +2608,25 @@ static void intel_c20_program_vdr_params(struct intel_encoder *encoder,
 		      MB_WRITE_COMMITTED);
 }
 
-static const struct intel_c20pll_state *
+static const struct intel_cx0pll_params *
 intel_c20_pll_find_table(const struct intel_crtc_state *crtc_state,
 			 struct intel_encoder *encoder)
 {
-	const struct intel_c20pll_state * const *tables;
+	struct intel_display *display = to_intel_display(crtc_state);
+	const struct intel_cx0pll_params *tables;
 	int i;
 
 	tables = intel_c20_pll_tables_get(crtc_state, encoder);
 	if (!tables)
 		return NULL;
 
-	for (i = 0; tables[i]; i++)
-		if (crtc_state->port_clock == tables[i]->clock)
-			return tables[i];
+	for (i = 0; tables[i].name; i++) {
+		int clock = intel_c20pll_calc_port_clock(tables[i].c20);
+
+		drm_WARN_ON(display->drm, !intel_dpll_clock_matches(clock, tables[i].clock_rate));
+		if (intel_dpll_clock_matches(crtc_state->port_clock, clock))
+			return &tables[i];
+	}
 
 	return NULL;
 }
@@ -2647,13 +2635,13 @@ static int intel_c20pll_calc_state_from_table(const struct intel_crtc_state *crt
 					      struct intel_encoder *encoder,
 					      struct intel_cx0pll_state *pll_state)
 {
-	const struct intel_c20pll_state *table;
+	const struct intel_cx0pll_params *table;
 
 	table = intel_c20_pll_find_table(crtc_state, encoder);
 	if (!table)
 		return -EINVAL;
 
-	pll_state->c20 = *table;
+	pll_state->c20 = *table->c20;
 
 	intel_cx0pll_update_ssc(encoder, pll_state, intel_crtc_has_dp_encoder(crtc_state));
 
@@ -2681,7 +2669,8 @@ static int intel_c20pll_calc_state(const struct intel_crtc_state *crtc_state,
 
 	/* TODO: Update SSC state for HDMI as well */
 	if (!is_dp && err)
-		err = intel_c20_compute_hdmi_tmds_pll(crtc_state, &hw_state->cx0pll.c20);
+		err = intel_c20_compute_hdmi_tmds_pll(display, crtc_state->port_clock,
+						      &hw_state->cx0pll.c20);
 
 	if (err)
 		return err;
@@ -2705,56 +2694,6 @@ int intel_cx0pll_calc_state(const struct intel_crtc_state *crtc_state,
 	return intel_c20pll_calc_state(crtc_state, encoder, hw_state);
 }
 
-static bool intel_c20phy_use_mpllb(const struct intel_c20pll_state *state)
-{
-	return state->tx[0] & C20_PHY_USE_MPLLB;
-}
-
-static int intel_c20pll_calc_port_clock(struct intel_encoder *encoder,
-					const struct intel_c20pll_state *pll_state)
-{
-	unsigned int frac, frac_en, frac_quot, frac_rem, frac_den;
-	unsigned int multiplier, refclk = 38400;
-	unsigned int tx_clk_div;
-	unsigned int ref_clk_mpllb_div;
-	unsigned int fb_clk_div4_en;
-	unsigned int ref, vco;
-	unsigned int tx_rate_mult;
-	unsigned int tx_rate = REG_FIELD_GET(C20_PHY_TX_RATE, pll_state->tx[0]);
-
-	if (intel_c20phy_use_mpllb(pll_state)) {
-		tx_rate_mult = 1;
-		frac_en = REG_FIELD_GET(C20_MPLLB_FRACEN, pll_state->mpllb[6]);
-		frac_quot = pll_state->mpllb[8];
-		frac_rem =  pll_state->mpllb[9];
-		frac_den =  pll_state->mpllb[7];
-		multiplier = REG_FIELD_GET(C20_MULTIPLIER_MASK, pll_state->mpllb[0]);
-		tx_clk_div = REG_FIELD_GET(C20_MPLLB_TX_CLK_DIV_MASK, pll_state->mpllb[0]);
-		ref_clk_mpllb_div = REG_FIELD_GET(C20_REF_CLK_MPLLB_DIV_MASK, pll_state->mpllb[6]);
-		fb_clk_div4_en = 0;
-	} else {
-		tx_rate_mult = 2;
-		frac_en = REG_FIELD_GET(C20_MPLLA_FRACEN, pll_state->mplla[6]);
-		frac_quot = pll_state->mplla[8];
-		frac_rem =  pll_state->mplla[9];
-		frac_den =  pll_state->mplla[7];
-		multiplier = REG_FIELD_GET(C20_MULTIPLIER_MASK, pll_state->mplla[0]);
-		tx_clk_div = REG_FIELD_GET(C20_MPLLA_TX_CLK_DIV_MASK, pll_state->mplla[1]);
-		ref_clk_mpllb_div = REG_FIELD_GET(C20_REF_CLK_MPLLB_DIV_MASK, pll_state->mplla[6]);
-		fb_clk_div4_en = REG_FIELD_GET(C20_FB_CLK_DIV4_EN, pll_state->mplla[0]);
-	}
-
-	if (frac_en)
-		frac = frac_quot + DIV_ROUND_CLOSEST(frac_rem, frac_den);
-	else
-		frac = 0;
-
-	ref = DIV_ROUND_CLOSEST(refclk * (1 << (1 + fb_clk_div4_en)), 1 << ref_clk_mpllb_div);
-	vco = DIV_ROUND_CLOSEST_ULL(mul_u32_u32(ref, (multiplier << (17 - 2)) + frac) >> 17, 10);
-
-	return vco << tx_rate_mult >> tx_clk_div >> tx_rate;
-}
-
 static void intel_c20pll_readout_hw_state(struct intel_encoder *encoder,
 					  struct intel_cx0pll_state *cx0pll_state)
 {
@@ -2823,8 +2762,6 @@ static void intel_c20pll_readout_hw_state(struct intel_encoder *encoder,
 		}
 	}
 
-	pll_state->clock = intel_c20pll_calc_port_clock(encoder, pll_state);
-
 	intel_cx0_phy_transaction_end(encoder, wakeref);
 
 	cx0pll_state->ssc_enabled = readout_ssc_state(encoder, intel_c20phy_use_mpllb(pll_state));
@@ -2835,7 +2772,7 @@ static void intel_c20pll_dump_hw_state(struct drm_printer *p,
 {
 	int i;
 
-	drm_printf(p, "c20pll_hw_state: clock: %d\n", hw_state->clock);
+	drm_printf(p, "c20pll_hw_state:\n");
 	drm_printf(p,
 		   "tx[0] = 0x%.4x, tx[1] = 0x%.4x, tx[2] = 0x%.4x\n",
 		   hw_state->tx[0], hw_state->tx[1], hw_state->tx[2]);
@@ -2971,6 +2908,12 @@ static void intel_c20_pll_program(struct intel_display *display,
 		      MB_WRITE_COMMITTED);
 }
 
+static bool is_mplla_clock_rate(int clock)
+{
+	return intel_dpll_clock_matches(clock, 1000000) ||
+	       intel_dpll_clock_matches(clock, 2000000);
+}
+
 static void intel_program_port_clock_ctl(struct intel_encoder *encoder,
 					 const struct intel_cx0pll_state *pll_state,
 					 int port_clock,
@@ -2996,7 +2939,7 @@ static void intel_program_port_clock_ctl(struct intel_encoder *encoder,
 
 	/* TODO: HDMI FRL */
 	/* DP2.0 10G and 20G rates enable MPLLA*/
-	if (port_clock == 1000000 || port_clock == 2000000)
+	if (is_mplla_clock_rate(port_clock))
 		val |= pll_state->ssc_enabled ? XELPDP_SSC_ENABLE_PLLA : 0;
 	else
 		val |= pll_state->ssc_enabled ? XELPDP_SSC_ENABLE_PLLB : 0;
@@ -3223,7 +3166,6 @@ static u32 intel_cx0_get_pclk_pll_ack(u8 lane_mask)
 static void intel_cx0pll_enable(struct intel_encoder *encoder,
 				const struct intel_cx0pll_state *pll_state)
 {
-	int port_clock = pll_state->use_c10 ? pll_state->c10.clock : pll_state->c20.clock;
 	struct intel_display *display = to_intel_display(encoder);
 	enum phy phy = intel_encoder_to_phy(encoder);
 	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
@@ -3231,6 +3173,12 @@ static void intel_cx0pll_enable(struct intel_encoder *encoder,
 	u8 maxpclk_lane = lane_reversal ? INTEL_CX0_LANE1 :
 					  INTEL_CX0_LANE0;
 	struct ref_tracker *wakeref = intel_cx0_phy_transaction_begin(encoder);
+	int port_clock;
+
+	if (pll_state->use_c10)
+		port_clock = intel_c10pll_calc_port_clock(&pll_state->c10);
+	else
+		port_clock = intel_c20pll_calc_port_clock(&pll_state->c20);
 
 	/*
 	 * Lane reversal is never used in DP-alt mode, in that case the
@@ -3730,9 +3678,9 @@ int intel_cx0pll_calc_port_clock(struct intel_encoder *encoder,
 				 const struct intel_cx0pll_state *pll_state)
 {
 	if (intel_encoder_is_c10phy(encoder))
-		return intel_c10pll_calc_port_clock(encoder, &pll_state->c10);
+		return intel_c10pll_calc_port_clock(&pll_state->c10);
 
-	return intel_c20pll_calc_port_clock(encoder, &pll_state->c20);
+	return intel_c20pll_calc_port_clock(&pll_state->c20);
 }
 
 /*
@@ -3786,3 +3734,124 @@ void intel_cx0_pll_power_save_wa(struct intel_display *display)
 		intel_cx0pll_disable(encoder);
 	}
 }
+
+static void intel_c10pll_verify_clock(struct intel_display *display,
+				      int precomputed_clock,
+				      const char *pll_state_name,
+				      const struct intel_c10pll_state *pll_state,
+				      bool is_precomputed_state)
+{
+	struct drm_printer p;
+	int clock;
+
+	clock = intel_c10pll_calc_port_clock(pll_state);
+
+	if (intel_dpll_clock_matches(clock, precomputed_clock))
+		return;
+
+	drm_warn(display->drm,
+		 "PLL state %s (%s): clock difference too high: computed %d, pre-computed %d\n",
+		 pll_state_name,
+		 is_precomputed_state ? "precomputed" : "computed",
+		 clock, precomputed_clock);
+
+	if (!drm_debug_enabled(DRM_UT_KMS))
+		return;
+
+	p = drm_dbg_printer(display->drm, DRM_UT_KMS, NULL);
+
+	drm_printf(&p, "PLL state %s (%s):\n",
+		   pll_state_name,
+		   is_precomputed_state ? "precomputed" : "computed");
+	intel_c10pll_dump_hw_state(&p, pll_state);
+}
+
+static void intel_c10pll_verify_params(struct intel_display *display,
+				       const struct intel_cx0pll_params *pll_params)
+{
+	struct intel_c10pll_state pll_state;
+
+	intel_c10pll_verify_clock(display, pll_params->clock_rate, pll_params->name, pll_params->c10, true);
+
+	if (!pll_params->is_hdmi)
+		return;
+
+	intel_snps_hdmi_pll_compute_c10pll(&pll_state, pll_params->clock_rate);
+
+	intel_c10pll_verify_clock(display, pll_params->clock_rate, pll_params->name, &pll_state, false);
+}
+
+static void intel_c20pll_verify_clock(struct intel_display *display,
+				      int precomputed_clock,
+				      const char *pll_state_name,
+				      const struct intel_c20pll_state *pll_state,
+				      bool is_precomputed_state)
+{
+	struct drm_printer p;
+	int clock;
+
+	clock = intel_c20pll_calc_port_clock(pll_state);
+
+	if (intel_dpll_clock_matches(clock, precomputed_clock))
+		return;
+
+	drm_warn(display->drm,
+		 "PLL state %s (%s): clock difference too high: computed %d, pre-computed %d\n",
+		 pll_state_name,
+		 is_precomputed_state ? "precomputed" : "computed",
+		 clock, precomputed_clock);
+
+	if (!drm_debug_enabled(DRM_UT_KMS))
+		return;
+
+	p = drm_dbg_printer(display->drm, DRM_UT_KMS, NULL);
+
+	drm_printf(&p, "PLL state %s (%s):\n",
+		   pll_state_name,
+		   is_precomputed_state ? "precomputed" : "computed");
+	intel_c20pll_dump_hw_state(&p, pll_state);
+}
+
+static void intel_c20pll_verify_params(struct intel_display *display,
+				       const struct intel_cx0pll_params *pll_params)
+{
+	struct intel_c20pll_state pll_state;
+
+	intel_c20pll_verify_clock(display, pll_params->clock_rate, pll_params->name, pll_params->c20, true);
+
+	if (!pll_params->is_hdmi)
+		return;
+
+	if (intel_c20_compute_hdmi_tmds_pll(display, pll_params->clock_rate, &pll_state) != 0)
+		return;
+
+	intel_c20pll_verify_clock(display, pll_params->clock_rate, pll_params->name, &pll_state, false);
+}
+
+static void intel_cx0pll_verify_tables(struct intel_display *display,
+				       const struct intel_cx0pll_params *tables)
+{
+	int i;
+
+	for (i = 0; tables[i].name; i++) {
+		if (tables[i].is_c10)
+			intel_c10pll_verify_params(display, &tables[i]);
+		else
+			intel_c20pll_verify_params(display, &tables[i]);
+	}
+}
+
+void intel_cx0pll_verify_plls(struct intel_display *display)
+{
+	/* C10 */
+	intel_cx0pll_verify_tables(display, mtl_c10_edp_tables);
+	intel_cx0pll_verify_tables(display, mtl_c10_dp_tables);
+	intel_cx0pll_verify_tables(display, mtl_c10_hdmi_tables);
+
+	/* C20 */
+	intel_cx0pll_verify_tables(display, xe2hpd_c20_edp_tables);
+	intel_cx0pll_verify_tables(display, mtl_c20_dp_tables);
+	intel_cx0pll_verify_tables(display, xe2hpd_c20_dp_tables);
+	intel_cx0pll_verify_tables(display, xe3lpd_c20_dp_edp_tables);
+	intel_cx0pll_verify_tables(display, mtl_c20_hdmi_tables);
+}
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.h b/drivers/gpu/drm/i915/display/intel_cx0_phy.h
index ae98ac23ea22..1d4480b8bf39 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.h
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.h
@@ -25,8 +25,8 @@ struct intel_dpll_hw_state;
 struct intel_encoder;
 struct intel_hdmi;
 
-void intel_clear_response_ready_flag(struct intel_encoder *encoder,
-				     int lane);
+void intel_cx0_clear_response_ready_flag(struct intel_encoder *encoder,
+					 int lane);
 bool intel_encoder_is_c10phy(struct intel_encoder *encoder);
 void intel_mtl_pll_enable(struct intel_encoder *encoder,
 			  struct intel_dpll *pll,
@@ -77,6 +77,7 @@ bool intel_mtl_tbt_pll_readout_hw_state(struct intel_display *display,
 					struct intel_dpll_hw_state *hw_state);
 int intel_mtl_tbt_calc_port_clock(struct intel_encoder *encoder);
 
+void intel_cx0pll_verify_plls(struct intel_display *display);
 void intel_cx0_pll_power_save_wa(struct intel_display *display);
 void intel_lnl_mac_transmit_lfps(struct intel_encoder *encoder,
 				 const struct intel_crtc_state *crtc_state);
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h b/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h
index 658890f73515..152a4e751bdc 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h
@@ -78,10 +78,10 @@
 #define XELPDP_PCLK_PLL_ENABLE_TIMEOUT_US		3200
 #define XELPDP_PCLK_PLL_DISABLE_TIMEOUT_US		20
 #define XELPDP_PORT_BUF_SOC_READY_TIMEOUT_US		100
-#define XELPDP_PORT_RESET_START_TIMEOUT_US		5
+#define XELPDP_PORT_RESET_START_TIMEOUT_US		10
 #define XELPDP_PORT_POWERDOWN_UPDATE_TIMEOUT_MS		2
 #define XELPDP_PORT_RESET_END_TIMEOUT_MS		15
-#define XELPDP_REFCLK_ENABLE_TIMEOUT_US			1
+#define XELPDP_REFCLK_ENABLE_TIMEOUT_US			10
 
 #define _XELPDP_PORT_BUF_CTL1_LN0_A			0x64004
 #define _XELPDP_PORT_BUF_CTL1_LN0_B			0x64104
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index cb91d07cdaa6..7f1576bfe4b0 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -34,7 +34,6 @@
 #include <drm/drm_print.h>
 #include <drm/drm_privacy_screen_consumer.h>
 
-#include "i915_reg.h"
 #include "icl_dsi.h"
 #include "intel_alpm.h"
 #include "intel_audio.h"
@@ -53,6 +52,7 @@
 #include "intel_display_regs.h"
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
+#include "intel_display_wa.h"
 #include "intel_dkl_phy.h"
 #include "intel_dkl_phy_regs.h"
 #include "intel_dp.h"
@@ -1402,8 +1402,7 @@ static void tgl_dkl_phy_set_signal_levels(struct intel_encoder *encoder,
 		int level;
 
 		/* Wa_16011342517:adl-p */
-		if (display->platform.alderlake_p &&
-		    IS_DISPLAY_STEP(display, STEP_A0, STEP_D0)) {
+		if (intel_display_wa(display, INTEL_DISPLAY_WA_16011342517)) {
 			if ((intel_encoder_is_hdmi(encoder) &&
 			     crtc_state->port_clock == 594000) ||
 			     (intel_encoder_is_dp(encoder) &&
@@ -4247,13 +4246,15 @@ void intel_ddi_get_clock(struct intel_encoder *encoder,
 static void xe3plpd_ddi_get_config(struct intel_encoder *encoder,
 				   struct intel_crtc_state *crtc_state)
 {
+	struct intel_display *display = to_intel_display(encoder);
+
 	intel_lt_phy_pll_readout_hw_state(encoder, crtc_state, &crtc_state->dpll_hw_state.ltpll);
 
 	if (crtc_state->dpll_hw_state.ltpll.tbt_mode)
 		crtc_state->port_clock = intel_mtl_tbt_calc_port_clock(encoder);
 	else
 		crtc_state->port_clock =
-			intel_lt_phy_calc_port_clock(encoder, crtc_state);
+			intel_lt_phy_calc_port_clock(display, &crtc_state->dpll_hw_state.ltpll);
 	intel_ddi_get_config(encoder, crtc_state);
 }
 
@@ -4586,8 +4587,10 @@ intel_ddi_port_sync_transcoders(const struct intel_crtc_state *ref_crtc_state,
 	/*
 	 * We don't enable port sync on BDW due to missing w/as and
 	 * due to not having adjusted the modeset sequence appropriately.
+	 * From, xe3lpd onwards we have defeatured this with reference to
+	 * Wa_16024710867
 	 */
-	if (DISPLAY_VER(display) < 9)
+	if (!IS_DISPLAY_VER(display, 9, 20))
 		return 0;
 
 	if (!intel_crtc_has_type(ref_crtc_state, INTEL_OUTPUT_DP))
diff --git a/drivers/gpu/drm/i915/display/intel_de.h b/drivers/gpu/drm/i915/display/intel_de.h
index a7ce3b875e06..f30f3f8ebee1 100644
--- a/drivers/gpu/drm/i915/display/intel_de.h
+++ b/drivers/gpu/drm/i915/display/intel_de.h
@@ -6,6 +6,8 @@
 #ifndef __INTEL_DE_H__
 #define __INTEL_DE_H__
 
+#include <drm/drm_print.h>
+
 #include "intel_display_core.h"
 #include "intel_dmc_wl.h"
 #include "intel_dsb.h"
@@ -34,15 +36,18 @@ intel_de_read(struct intel_display *display, i915_reg_t reg)
 static inline u8
 intel_de_read8(struct intel_display *display, i915_reg_t reg)
 {
-	u8 val;
+	/* this is only used on VGA registers (possible on pre-g4x) */
+	drm_WARN_ON(display->drm, DISPLAY_VER(display) >= 5 || display->platform.g4x);
 
-	intel_dmc_wl_get(display, reg);
+	return intel_uncore_read8(__to_uncore(display), reg);
+}
 
-	val = intel_uncore_read8(__to_uncore(display), reg);
+static inline void
+intel_de_write8(struct intel_display *display, i915_reg_t reg, u8 val)
+{
+	drm_WARN_ON(display->drm, DISPLAY_VER(display) >= 5 || display->platform.g4x);
 
-	intel_dmc_wl_put(display, reg);
-
-	return val;
+	intel_uncore_write8(__to_uncore(display), reg, val);
 }
 
 static inline u64
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 3b8ba8ab76a1..b18ce0c36a64 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -50,7 +50,6 @@
 #include "g4x_hdmi.h"
 #include "hsw_ips.h"
 #include "i915_config.h"
-#include "i915_reg.h"
 #include "i9xx_plane.h"
 #include "i9xx_plane_regs.h"
 #include "i9xx_wm.h"
@@ -86,7 +85,6 @@
 #include "intel_dpll.h"
 #include "intel_dpll_mgr.h"
 #include "intel_dpt.h"
-#include "intel_dpt_common.h"
 #include "intel_drrs.h"
 #include "intel_dsb.h"
 #include "intel_dsi.h"
@@ -455,7 +453,7 @@ void intel_enable_transcoder(const struct intel_crtc_state *new_crtc_state)
 	}
 
 	/* Wa_22012358565:adl-p */
-	if (DISPLAY_VER(display) == 13)
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_22012358565))
 		intel_de_rmw(display, PIPE_ARB_CTL(display, pipe),
 			     0, PIPE_ARB_USE_PROG_SLOTS);
 
@@ -709,7 +707,7 @@ static void icl_set_pipe_chicken(const struct intel_crtc_state *crtc_state)
 		tmp |= UNDERRUN_RECOVERY_DISABLE_ADLP;
 
 	/* Wa_14010547955:dg2 */
-	if (display->platform.dg2)
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14010547955))
 		tmp |= DG2_RENDER_CCSTAG_4_3_EN;
 
 	intel_de_write(display, PIPE_CHICKEN(pipe), tmp);
@@ -1008,6 +1006,28 @@ static bool intel_casf_disabling(const struct intel_crtc_state *old_crtc_state,
 	return is_disabling(hw.casf_params.casf_enable, old_crtc_state, new_crtc_state);
 }
 
+static bool intel_crtc_lobf_enabling(const struct intel_crtc_state *old_crtc_state,
+				     const struct intel_crtc_state *new_crtc_state)
+{
+	if (!new_crtc_state->hw.active)
+		return false;
+
+	return is_enabling(has_lobf, old_crtc_state, new_crtc_state) ||
+	       (new_crtc_state->has_lobf &&
+		(new_crtc_state->update_lrr || new_crtc_state->update_m_n));
+}
+
+static bool intel_crtc_lobf_disabling(const struct intel_crtc_state *old_crtc_state,
+				      const struct intel_crtc_state *new_crtc_state)
+{
+	if (!old_crtc_state->hw.active)
+		return false;
+
+	return is_disabling(has_lobf, old_crtc_state, new_crtc_state) ||
+		(old_crtc_state->has_lobf &&
+		 (new_crtc_state->update_lrr || new_crtc_state->update_m_n));
+}
+
 #undef is_disabling
 #undef is_enabling
 
@@ -1050,12 +1070,13 @@ static void intel_post_plane_update(struct intel_atomic_state *state,
 	if (audio_enabling(old_crtc_state, new_crtc_state))
 		intel_encoders_audio_enable(state, crtc);
 
-	if (intel_display_wa(display, 14011503117)) {
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14011503117)) {
 		if (old_crtc_state->pch_pfit.enabled != new_crtc_state->pch_pfit.enabled)
 			adl_scaler_ecc_unmask(new_crtc_state);
 	}
 
-	intel_alpm_post_plane_update(state, crtc);
+	if (intel_crtc_lobf_enabling(old_crtc_state, new_crtc_state))
+		intel_alpm_lobf_enable(new_crtc_state);
 
 	intel_psr_post_plane_update(state, crtc);
 }
@@ -1152,7 +1173,9 @@ static void intel_pre_plane_update(struct intel_atomic_state *state,
 		intel_atomic_get_new_crtc_state(state, crtc);
 	enum pipe pipe = crtc->pipe;
 
-	intel_alpm_pre_plane_update(state, crtc);
+	if (intel_crtc_lobf_disabling(old_crtc_state, new_crtc_state))
+		intel_alpm_lobf_disable(new_crtc_state);
+
 	intel_psr_pre_plane_update(state, crtc);
 
 	if (intel_crtc_vrr_disabling(state, crtc)) {
@@ -1614,7 +1637,6 @@ static void hsw_configure_cpu_transcoder(const struct intel_crtc_state *crtc_sta
 	}
 
 	intel_set_transcoder_timings(crtc_state);
-	intel_vrr_set_transcoder_timings(crtc_state);
 
 	if (cpu_transcoder != TRANSCODER_EDP)
 		intel_de_write(display, TRANS_MULT(display, cpu_transcoder),
@@ -4325,6 +4347,23 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state,
 	return 0;
 }
 
+static int bpc_to_bpp(int bpc)
+{
+	switch (bpc) {
+	case 6 ... 7:
+		return 6 * 3;
+	case 8 ... 9:
+		return 8 * 3;
+	case 10 ... 11:
+		return 10 * 3;
+	case 12 ... 16:
+		return 12 * 3;
+	default:
+		MISSING_CASE(bpc);
+		return -EINVAL;
+	}
+}
+
 static int
 compute_sink_pipe_bpp(const struct drm_connector_state *conn_state,
 		      struct intel_crtc_state *crtc_state)
@@ -4332,36 +4371,34 @@ compute_sink_pipe_bpp(const struct drm_connector_state *conn_state,
 	struct intel_display *display = to_intel_display(crtc_state);
 	struct drm_connector *connector = conn_state->connector;
 	const struct drm_display_info *info = &connector->display_info;
-	int bpp;
+	int edid_bpc = info->bpc ? : 8;
+	int target_pipe_bpp;
+	int max_edid_bpp;
 
-	switch (conn_state->max_bpc) {
-	case 6 ... 7:
-		bpp = 6 * 3;
-		break;
-	case 8 ... 9:
-		bpp = 8 * 3;
-		break;
-	case 10 ... 11:
-		bpp = 10 * 3;
-		break;
-	case 12 ... 16:
-		bpp = 12 * 3;
-		break;
-	default:
-		MISSING_CASE(conn_state->max_bpc);
-		return -EINVAL;
-	}
+	max_edid_bpp = bpc_to_bpp(edid_bpc);
+	if (max_edid_bpp < 0)
+		return max_edid_bpp;
 
-	if (bpp < crtc_state->pipe_bpp) {
+	target_pipe_bpp = bpc_to_bpp(conn_state->max_bpc);
+	if (target_pipe_bpp < 0)
+		return target_pipe_bpp;
+
+	/*
+	 * The maximum pipe BPP is the minimum of the max platform BPP and
+	 * the max EDID BPP.
+	 */
+	crtc_state->max_pipe_bpp = min(crtc_state->pipe_bpp, max_edid_bpp);
+
+	if (target_pipe_bpp < crtc_state->pipe_bpp) {
 		drm_dbg_kms(display->drm,
-			    "[CONNECTOR:%d:%s] Limiting display bpp to %d "
+			    "[CONNECTOR:%d:%s] Limiting target display pipe bpp to %d "
 			    "(EDID bpp %d, max requested bpp %d, max platform bpp %d)\n",
 			    connector->base.id, connector->name,
-			    bpp, 3 * info->bpc,
+			    target_pipe_bpp, 3 * info->bpc,
 			    3 * conn_state->max_requested_bpc,
 			    crtc_state->pipe_bpp);
 
-		crtc_state->pipe_bpp = bpp;
+		crtc_state->pipe_bpp = target_pipe_bpp;
 	}
 
 	return 0;
@@ -5459,7 +5496,7 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
 	PIPE_CONF_CHECK_I(dsc.config.nsl_bpg_offset);
 
 	PIPE_CONF_CHECK_BOOL(dsc.compression_enable);
-	PIPE_CONF_CHECK_I(dsc.num_streams);
+	PIPE_CONF_CHECK_I(dsc.slice_config.streams_per_pipe);
 	PIPE_CONF_CHECK_I(dsc.compressed_bpp_x16);
 
 	PIPE_CONF_CHECK_BOOL(splitter.enable);
@@ -7357,9 +7394,6 @@ static void intel_atomic_dsb_finish(struct intel_atomic_state *state,
 		intel_psr_trigger_frame_change_event(new_crtc_state->dsb_commit,
 						     state, crtc);
 
-		intel_psr_wait_for_idle_dsb(new_crtc_state->dsb_commit,
-					    new_crtc_state);
-
 		if (new_crtc_state->use_dsb)
 			intel_dsb_vblank_evade(state, new_crtc_state->dsb_commit);
 
@@ -7390,9 +7424,37 @@ static void intel_atomic_dsb_finish(struct intel_atomic_state *state,
 				new_crtc_state->dsb_color);
 
 	if (new_crtc_state->use_dsb && !intel_color_uses_chained_dsb(new_crtc_state)) {
-		intel_dsb_wait_vblanks(new_crtc_state->dsb_commit, 1);
+		/*
+		 * Dsb wait vblank may or may not skip. Let's remove it for PSR
+		 * trans push case to ensure we are not waiting two vblanks
+		 */
+		if (!intel_psr_use_trans_push(new_crtc_state))
+			intel_dsb_wait_vblanks(new_crtc_state->dsb_commit, 1);
 
 		intel_vrr_send_push(new_crtc_state->dsb_commit, new_crtc_state);
+
+		/*
+		 * Wait for idle is needed for corner case where PSR HW
+		 * is transitioning into DEEP_SLEEP/SRDENT_OFF when
+		 * new Frame Change event comes in. It is ok to do it
+		 * here for both Frame Change mechanism (trans push
+		 * and register write).
+		 */
+		intel_psr_wait_for_idle_dsb(new_crtc_state->dsb_commit,
+					    new_crtc_state);
+
+		/*
+		 * In case PSR uses trans push as a "frame change" event and
+		 * VRR is not in use we need to wait vblank. Otherwise we may
+		 * miss selective updates. DSB skips all waits while PSR is
+		 * active. Check push send is skipped as well because trans push
+		 * send bit is not reset by the HW if VRR is not
+		 * enabled -> we may start configuring new selective
+		 * update while previous is not complete.
+		 */
+		if (intel_psr_use_trans_push(new_crtc_state))
+			intel_dsb_wait_vblanks(new_crtc_state->dsb_commit, 1);
+
 		intel_dsb_wait_for_delayed_vblank(state, new_crtc_state->dsb_commit);
 		intel_vrr_check_push_sent(new_crtc_state->dsb_commit,
 					  new_crtc_state);
@@ -8001,6 +8063,25 @@ void intel_setup_outputs(struct intel_display *display)
 	drm_helper_move_panel_connectors_to_head(display->drm);
 }
 
+int intel_max_uncompressed_dotclock(struct intel_display *display)
+{
+	int max_dotclock = display->cdclk.max_dotclk_freq;
+	int limit = max_dotclock;
+
+	if (DISPLAY_VERx100(display) == 3002)
+		limit = 937500;
+	else if (DISPLAY_VER(display) >= 30)
+		limit = 1350000;
+	/*
+	 * Note: For other platforms though there are limits given
+	 * in the Bspec, however the limit is intentionally not
+	 * enforced to avoid regressions, unless real issues are
+	 * observed.
+	 */
+
+	return min(max_dotclock, limit);
+}
+
 static int max_dotclock(struct intel_display *display)
 {
 	int max_dotclock = display->cdclk.max_dotclk_freq;
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index f8e6e4e82722..552a59d19e0f 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -135,32 +135,6 @@ enum tc_port {
 	I915_MAX_TC_PORTS
 };
 
-enum aux_ch {
-	AUX_CH_NONE = -1,
-
-	AUX_CH_A,
-	AUX_CH_B,
-	AUX_CH_C,
-	AUX_CH_D,
-	AUX_CH_E, /* ICL+ */
-	AUX_CH_F,
-	AUX_CH_G,
-	AUX_CH_H,
-	AUX_CH_I,
-
-	/* tgl+ */
-	AUX_CH_USBC1 = AUX_CH_D,
-	AUX_CH_USBC2,
-	AUX_CH_USBC3,
-	AUX_CH_USBC4,
-	AUX_CH_USBC5,
-	AUX_CH_USBC6,
-
-	/* XE_LPD repositions D/E offsets and bitfields */
-	AUX_CH_D_XELPD = AUX_CH_USBC5,
-	AUX_CH_E_XELPD,
-};
-
 enum phy {
 	PHY_NONE = -1,
 
@@ -488,6 +462,7 @@ void intel_cpu_transcoder_get_m2_n2(struct intel_crtc *crtc,
 				    struct intel_link_m_n *m_n);
 int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n);
 int intel_crtc_dotclock(const struct intel_crtc_state *pipe_config);
+int intel_max_uncompressed_dotclock(struct intel_display *display);
 enum intel_display_power_domain intel_port_to_power_domain(struct intel_digital_port *dig_port);
 enum intel_display_power_domain
 intel_aux_power_domain(struct intel_digital_port *dig_port);
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index aba13e8a9051..2614c4863c87 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -13,9 +13,9 @@
 #include <drm/drm_file.h>
 #include <drm/drm_fourcc.h>
 #include <drm/drm_print.h>
+#include <drm/intel/intel_gmd_misc_regs.h>
 
 #include "hsw_ips.h"
-#include "i915_reg.h"
 #include "i9xx_wm_regs.h"
 #include "intel_alpm.h"
 #include "intel_bo.h"
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c
index c32d65727642..a8ef1e6193b8 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.c
+++ b/drivers/gpu/drm/i915/display/intel_display_device.c
@@ -10,7 +10,6 @@
 #include <drm/drm_print.h>
 #include <drm/intel/pciids.h>
 
-#include "i915_reg.h"
 #include "intel_cx0_phy_regs.h"
 #include "intel_de.h"
 #include "intel_display.h"
@@ -20,6 +19,7 @@
 #include "intel_display_reg_defs.h"
 #include "intel_display_regs.h"
 #include "intel_display_types.h"
+#include "intel_display_wa.h"
 #include "intel_fbc.h"
 #include "intel_step.h"
 
@@ -1540,9 +1540,9 @@ probe_gmdid_display(struct intel_display *display, struct intel_display_ip_ver *
 		return NULL;
 	}
 
-	gmd_id.ver = REG_FIELD_GET(GMD_ID_ARCH_MASK, val);
-	gmd_id.rel = REG_FIELD_GET(GMD_ID_RELEASE_MASK, val);
-	gmd_id.step = REG_FIELD_GET(GMD_ID_STEP, val);
+	gmd_id.ver = REG_FIELD_GET(GMD_ID_DISPLAY_ARCH_MASK, val);
+	gmd_id.rel = REG_FIELD_GET(GMD_ID_DISPLAY_RELEASE_MASK, val);
+	gmd_id.step = REG_FIELD_GET(GMD_ID_DISPLAY_STEP, val);
 
 	for (i = 0; i < ARRAY_SIZE(gmdid_display_map); i++) {
 		if (gmd_id.ver == gmdid_display_map[i].ver &&
@@ -1774,7 +1774,7 @@ static void __intel_display_device_info_runtime_init(struct intel_display *displ
 		display_runtime->port_mask |= BIT(PORT_F);
 
 	/* Wa_14011765242: adl-s A0,A1 */
-	if (display->platform.alderlake_s && IS_DISPLAY_STEP(display, STEP_A0, STEP_A2))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14011765242))
 		for_each_pipe(display, pipe)
 			display_runtime->num_scalers[pipe] = 0;
 	else if (DISPLAY_VER(display) >= 11) {
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h b/drivers/gpu/drm/i915/display/intel_display_device.h
index 13f2a629981f..e84c190dcc4f 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.h
+++ b/drivers/gpu/drm/i915/display/intel_display_device.h
@@ -197,6 +197,7 @@ struct intel_display_platforms {
 #define HAS_PSR(__display)		(DISPLAY_INFO(__display)->has_psr)
 #define HAS_PSR_HW_TRACKING(__display)	(DISPLAY_INFO(__display)->has_psr_hw_tracking)
 #define HAS_PSR2_SEL_FETCH(__display)	(DISPLAY_VER(__display) >= 12)
+#define HAS_PSR_TRANS_PUSH_FRAME_CHANGE(__display)	(DISPLAY_VER(__display) >= 20)
 #define HAS_SAGV(__display)		(DISPLAY_VER(__display) >= 9 && \
 					 !(__display)->platform.broxton && !(__display)->platform.geminilake)
 #define HAS_TRANSCODER(__display, trans)	((DISPLAY_RUNTIME_INFO(__display)->cpu_transcoder_mask & \
diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c b/drivers/gpu/drm/i915/display/intel_display_driver.c
index 268b1de45b81..23bfecc983e8 100644
--- a/drivers/gpu/drm/i915/display/intel_display_driver.c
+++ b/drivers/gpu/drm/i915/display/intel_display_driver.c
@@ -208,16 +208,12 @@ int intel_display_driver_probe_noirq(struct intel_display *display)
 
 	intel_bios_init(display);
 
-	ret = intel_vga_register(display);
-	if (ret)
-		goto cleanup_bios;
-
 	intel_psr_dc5_dc6_wa_init(display);
 
 	/* FIXME: completely on the wrong abstraction layer */
 	ret = intel_power_domains_init(display);
 	if (ret < 0)
-		goto cleanup_vga;
+		goto cleanup_bios;
 
 	intel_pmdemand_init_early(display);
 
@@ -229,7 +225,7 @@ int intel_display_driver_probe_noirq(struct intel_display *display)
 	display->hotplug.dp_wq = alloc_ordered_workqueue("intel-dp", 0);
 	if (!display->hotplug.dp_wq) {
 		ret = -ENOMEM;
-		goto cleanup_vga_client_pw_domain_dmc;
+		goto cleanup_pw_domain_dmc;
 	}
 
 	display->wq.modeset = alloc_ordered_workqueue("i915_modeset", 0);
@@ -245,13 +241,13 @@ int intel_display_driver_probe_noirq(struct intel_display *display)
 		goto cleanup_wq_modeset;
 	}
 
-	display->wq.cleanup = alloc_workqueue("i915_cleanup", WQ_HIGHPRI, 0);
+	display->wq.cleanup = alloc_workqueue("i915_cleanup", WQ_HIGHPRI | WQ_PERCPU, 0);
 	if (!display->wq.cleanup) {
 		ret = -ENOMEM;
 		goto cleanup_wq_flip;
 	}
 
-	display->wq.unordered = alloc_workqueue("display_unordered", 0, 0);
+	display->wq.unordered = alloc_workqueue("display_unordered", WQ_PERCPU, 0);
 	if (!display->wq.unordered) {
 		ret = -ENOMEM;
 		goto cleanup_wq_cleanup;
@@ -301,11 +297,9 @@ int intel_display_driver_probe_noirq(struct intel_display *display)
 	destroy_workqueue(display->wq.modeset);
 cleanup_wq_dp:
 	destroy_workqueue(display->hotplug.dp_wq);
-cleanup_vga_client_pw_domain_dmc:
+cleanup_pw_domain_dmc:
 	intel_dmc_fini(display);
 	intel_power_domains_driver_remove(display);
-cleanup_vga:
-	intel_vga_unregister(display);
 cleanup_bios:
 	intel_bios_driver_remove(display);
 
@@ -554,6 +548,8 @@ void intel_display_driver_register(struct intel_display *display)
 	if (!HAS_DISPLAY(display))
 		return;
 
+	intel_vga_register(display);
+
 	/* Must be done after probing outputs */
 	intel_opregion_register(display);
 	intel_acpi_video_register(display);
@@ -646,8 +642,6 @@ void intel_display_driver_remove_nogem(struct intel_display *display)
 
 	intel_power_domains_driver_remove(display);
 
-	intel_vga_unregister(display);
-
 	intel_bios_driver_remove(display);
 }
 
@@ -675,6 +669,8 @@ void intel_display_driver_unregister(struct intel_display *display)
 
 	acpi_video_unregister();
 	intel_opregion_unregister(display);
+
+	intel_vga_unregister(display);
 }
 
 /*
diff --git a/drivers/gpu/drm/i915/display/intel_display_irq.c b/drivers/gpu/drm/i915/display/intel_display_irq.c
index 6e7e4654eb79..70c1bba7c0a8 100644
--- a/drivers/gpu/drm/i915/display/intel_display_irq.c
+++ b/drivers/gpu/drm/i915/display/intel_display_irq.c
@@ -5,8 +5,8 @@
 
 #include <drm/drm_print.h>
 #include <drm/drm_vblank.h>
+#include <drm/intel/intel_gmd_interrupt_regs.h>
 
-#include "i915_reg.h"
 #include "icl_dsi_regs.h"
 #include "intel_crtc.h"
 #include "intel_de.h"
@@ -1619,7 +1619,7 @@ static void i915gm_irq_cstate_wa_enable(struct intel_display *display)
 	 */
 	if (display->irq.vblank_enabled++ == 0)
 		intel_de_write(display, SCPD0,
-			       _MASKED_BIT_ENABLE(CSTATE_RENDER_CLOCK_GATE_DISABLE));
+			       REG_MASKED_FIELD_ENABLE(CSTATE_RENDER_CLOCK_GATE_DISABLE));
 }
 
 static void i915gm_irq_cstate_wa_disable(struct intel_display *display)
@@ -1628,7 +1628,7 @@ static void i915gm_irq_cstate_wa_disable(struct intel_display *display)
 
 	if (--display->irq.vblank_enabled == 0)
 		intel_de_write(display, SCPD0,
-			       _MASKED_BIT_DISABLE(CSTATE_RENDER_CLOCK_GATE_DISABLE));
+			       REG_MASKED_FIELD_DISABLE(CSTATE_RENDER_CLOCK_GATE_DISABLE));
 }
 
 void i915gm_irq_cstate_wa(struct intel_display *display, bool enable)
@@ -2472,6 +2472,7 @@ void intel_display_irq_init(struct intel_display *display)
 
 struct intel_display_irq_snapshot {
 	u32 derrmr;
+	u32 err_int;
 };
 
 struct intel_display_irq_snapshot *
@@ -2486,6 +2487,9 @@ intel_display_irq_snapshot_capture(struct intel_display *display)
 	if (DISPLAY_VER(display) >= 6 && DISPLAY_VER(display) < 20 && !HAS_GMCH(display))
 		snapshot->derrmr = intel_de_read(display, DERRMR);
 
+	if (DISPLAY_VER(display) == 7)
+		snapshot->err_int = intel_de_read(display, GEN7_ERR_INT);
+
 	return snapshot;
 }
 
@@ -2496,4 +2500,5 @@ void intel_display_irq_snapshot_print(const struct intel_display_irq_snapshot *s
 		return;
 
 	drm_printf(p, "DERRMR: 0x%08x\n", snapshot->derrmr);
+	drm_printf(p, "ERR_INT: 0x%08x\n", snapshot->err_int);
 }
diff --git a/drivers/gpu/drm/i915/display/intel_display_limits.h b/drivers/gpu/drm/i915/display/intel_display_limits.h
index cb3c9c665c44..453f7b720815 100644
--- a/drivers/gpu/drm/i915/display/intel_display_limits.h
+++ b/drivers/gpu/drm/i915/display/intel_display_limits.h
@@ -138,6 +138,32 @@ enum hpd_pin {
 	HPD_NUM_PINS
 };
 
+enum aux_ch {
+	AUX_CH_NONE = -1,
+
+	AUX_CH_A,
+	AUX_CH_B,
+	AUX_CH_C,
+	AUX_CH_D,
+	AUX_CH_E, /* ICL+ */
+	AUX_CH_F,
+	AUX_CH_G,
+	AUX_CH_H,
+	AUX_CH_I,
+
+	/* tgl+ */
+	AUX_CH_USBC1 = AUX_CH_D,
+	AUX_CH_USBC2,
+	AUX_CH_USBC3,
+	AUX_CH_USBC4,
+	AUX_CH_USBC5,
+	AUX_CH_USBC6,
+
+	/* XE_LPD repositions D/E offsets and bitfields */
+	AUX_CH_D_XELPD = AUX_CH_USBC5,
+	AUX_CH_E_XELPD,
+};
+
 enum intel_color_block {
 	INTEL_PLANE_CB_PRE_CSC_LUT,
 	INTEL_PLANE_CB_CSC,
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index d27397f43863..ec96b141c74c 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -7,8 +7,8 @@
 #include <linux/string_helpers.h>
 
 #include <drm/drm_print.h>
+#include <drm/intel/intel_pcode_regs.h>
 
-#include "i915_reg.h"
 #include "intel_backlight_regs.h"
 #include "intel_cdclk.h"
 #include "intel_clock_gating.h"
@@ -21,12 +21,12 @@
 #include "intel_display_rpm.h"
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
+#include "intel_display_wa.h"
 #include "intel_dmc.h"
 #include "intel_dram.h"
 #include "intel_mchbar_regs.h"
 #include "intel_parent.h"
 #include "intel_pch_refclk.h"
-#include "intel_pcode.h"
 #include "intel_pmdemand.h"
 #include "intel_pps_regs.h"
 #include "intel_snps_phy.h"
@@ -646,7 +646,7 @@ queue_async_put_domains_work(struct i915_power_domains *power_domains,
 						     power.domains);
 	drm_WARN_ON(display->drm, power_domains->async_put_wakeref);
 	power_domains->async_put_wakeref = wakeref;
-	drm_WARN_ON(display->drm, !queue_delayed_work(system_unbound_wq,
+	drm_WARN_ON(display->drm, !queue_delayed_work(system_dfl_wq,
 						      &power_domains->async_put_work,
 						      msecs_to_jiffies(delay_ms)));
 }
@@ -1260,7 +1260,7 @@ static u32 hsw_read_dcomp(struct intel_display *display)
 static void hsw_write_dcomp(struct intel_display *display, u32 val)
 {
 	if (display->platform.haswell) {
-		if (intel_pcode_write(display->drm, GEN6_PCODE_WRITE_D_COMP, val))
+		if (intel_parent_pcode_write(display, GEN6_PCODE_WRITE_D_COMP, val))
 			drm_dbg_kms(display->drm, "Failed to write to D_COMP\n");
 	} else {
 		intel_de_write(display, D_COMP_BDW, val);
@@ -1622,8 +1622,7 @@ static void tgl_bw_buddy_init(struct intel_display *display)
 	if (display->platform.dgfx && !display->platform.dg1)
 		return;
 
-	if (display->platform.alderlake_s ||
-	    (display->platform.rocketlake && IS_DISPLAY_STEP(display, STEP_A0, STEP_B0)))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_1409767108))
 		/* Wa_1409767108 */
 		table = wa_1409767108_buddy_page_masks;
 	else
@@ -1646,7 +1645,7 @@ static void tgl_bw_buddy_init(struct intel_display *display)
 				       table[config].page_mask);
 
 			/* Wa_22010178259:tgl,dg1,rkl,adl-s */
-			if (DISPLAY_VER(display) == 12)
+			if (intel_display_wa(display, INTEL_DISPLAY_WA_22010178259))
 				intel_de_rmw(display, BW_BUDDY_CTL(i),
 					     BW_BUDDY_TLB_REQ_TIMER_MASK,
 					     BW_BUDDY_TLB_REQ_TIMER(0x8));
@@ -1663,8 +1662,7 @@ static void icl_display_core_init(struct intel_display *display,
 	gen9_set_dc_state(display, DC_STATE_DISABLE);
 
 	/* Wa_14011294188:ehl,jsl,tgl,rkl,adl-s */
-	if (INTEL_PCH_TYPE(display) >= PCH_TGP &&
-	    INTEL_PCH_TYPE(display) < PCH_DG1)
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14011294188))
 		intel_de_rmw(display, SOUTH_DSPCLK_GATE_D, 0,
 			     PCH_DPMGUNIT_CLOCK_GATE_DISABLE);
 
@@ -1718,17 +1716,17 @@ static void icl_display_core_init(struct intel_display *display,
 		intel_dmc_load_program(display);
 
 	/* Wa_14011508470:tgl,dg1,rkl,adl-s,adl-p,dg2 */
-	if (IS_DISPLAY_VERx100(display, 1200, 1300))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14011508470))
 		intel_de_rmw(display, GEN11_CHICKEN_DCPR_2, 0,
 			     DCPR_CLEAR_MEMSTAT_DIS | DCPR_SEND_RESP_IMM |
 			     DCPR_MASK_LPMODE | DCPR_MASK_MAXLATENCY_MEMUP_CLR);
 
 	/* Wa_14011503030:xelpd */
-	if (DISPLAY_VER(display) == 13)
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14011503030))
 		intel_de_write(display, XELPD_DISPLAY_ERR_FATAL_MASK, ~0);
 
 	/* Wa_15013987218 */
-	if (DISPLAY_VER(display) == 20) {
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_15013987218)) {
 		intel_de_rmw(display, SOUTH_DSPCLK_GATE_D,
 			     0, PCH_GMBUSUNIT_CLOCK_GATE_DISABLE);
 		intel_de_rmw(display, SOUTH_DSPCLK_GATE_D,
@@ -2267,8 +2265,9 @@ void intel_display_power_suspend_late(struct intel_display *display, bool s2idle
 	}
 
 	/* Tweaked Wa_14010685332:cnp,icp,jsp,mcc,tgp,adp */
-	if (INTEL_PCH_TYPE(display) >= PCH_CNP && INTEL_PCH_TYPE(display) < PCH_DG1)
-		intel_de_rmw(display, SOUTH_CHICKEN1, SBCLK_RUN_REFCLK_DIS, SBCLK_RUN_REFCLK_DIS);
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14010685332))
+		intel_de_rmw(display, SOUTH_CHICKEN1,
+			     SBCLK_RUN_REFCLK_DIS, SBCLK_RUN_REFCLK_DIS);
 }
 
 void intel_display_power_resume_early(struct intel_display *display)
@@ -2282,7 +2281,7 @@ void intel_display_power_resume_early(struct intel_display *display)
 	}
 
 	/* Tweaked Wa_14010685332:cnp,icp,jsp,mcc,tgp,adp */
-	if (INTEL_PCH_TYPE(display) >= PCH_CNP && INTEL_PCH_TYPE(display) < PCH_DG1)
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14010685332))
 		intel_de_rmw(display, SOUTH_CHICKEN1, SBCLK_RUN_REFCLK_DIS, 0);
 
 	intel_power_domains_resume(display);
diff --git a/drivers/gpu/drm/i915/display/intel_display_power_map.c b/drivers/gpu/drm/i915/display/intel_display_power_map.c
index c559ff000e67..65204d68a759 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power_map.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power_map.c
@@ -112,7 +112,6 @@ static const struct i915_power_well_desc hsw_power_wells_main[] = {
 				.id = HSW_DISP_PW_GLOBAL),
 		),
 		.ops = &hsw_power_well_ops,
-		.has_vga = true,
 	},
 };
 
@@ -146,7 +145,6 @@ static const struct i915_power_well_desc bdw_power_wells_main[] = {
 				.id = HSW_DISP_PW_GLOBAL),
 		),
 		.ops = &hsw_power_well_ops,
-		.has_vga = true,
 		.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C),
 	},
 };
@@ -390,7 +388,6 @@ static const struct i915_power_well_desc skl_power_wells_main[] = {
 				.id = SKL_DISP_PW_2),
 		),
 		.ops = &hsw_power_well_ops,
-		.has_vga = true,
 		.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C),
 		.has_fuses = true,
 	}, {
@@ -469,7 +466,6 @@ static const struct i915_power_well_desc bxt_power_wells_main[] = {
 				.id = SKL_DISP_PW_2),
 		),
 		.ops = &hsw_power_well_ops,
-		.has_vga = true,
 		.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C),
 		.has_fuses = true,
 	}, {
@@ -572,7 +568,6 @@ static const struct i915_power_well_desc glk_power_wells_main[] = {
 				.id = SKL_DISP_PW_2),
 		),
 		.ops = &hsw_power_well_ops,
-		.has_vga = true,
 		.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C),
 		.has_fuses = true,
 	}, {
@@ -748,7 +743,6 @@ static const struct i915_power_well_desc icl_power_wells_main[] = {
 				.id = ICL_DISP_PW_3),
 		),
 		.ops = &hsw_power_well_ops,
-		.has_vga = true,
 		.irq_pipe_mask = BIT(PIPE_B),
 		.has_fuses = true,
 	}, {
@@ -914,7 +908,6 @@ static const struct i915_power_well_desc tgl_power_wells_main[] = {
 				.id = ICL_DISP_PW_3),
 		),
 		.ops = &hsw_power_well_ops,
-		.has_vga = true,
 		.irq_pipe_mask = BIT(PIPE_B),
 		.has_fuses = true,
 	}, {
@@ -1071,7 +1064,6 @@ static const struct i915_power_well_desc rkl_power_wells_main[] = {
 		),
 		.ops = &hsw_power_well_ops,
 		.irq_pipe_mask = BIT(PIPE_B),
-		.has_vga = true,
 		.has_fuses = true,
 	}, {
 		.instances = &I915_PW_INSTANCES(
@@ -1166,7 +1158,6 @@ static const struct i915_power_well_desc dg1_power_wells_main[] = {
 		),
 		.ops = &hsw_power_well_ops,
 		.irq_pipe_mask = BIT(PIPE_B),
-		.has_vga = true,
 		.has_fuses = true,
 	}, {
 		.instances = &I915_PW_INSTANCES(
@@ -1325,7 +1316,6 @@ static const struct i915_power_well_desc xelpd_power_wells_main[] = {
 				.id = SKL_DISP_PW_2),
 		),
 		.ops = &hsw_power_well_ops,
-		.has_vga = true,
 		.has_fuses = true,
 	}, {
 		.instances = &I915_PW_INSTANCES(
@@ -1482,7 +1472,6 @@ static const struct i915_power_well_desc xelpdp_power_wells_main[] = {
 				.id = SKL_DISP_PW_2),
 		),
 		.ops = &hsw_power_well_ops,
-		.has_vga = true,
 		.has_fuses = true,
 	}, {
 		.instances = &I915_PW_INSTANCES(
@@ -1649,7 +1638,6 @@ static const struct i915_power_well_desc xe3lpd_power_wells_main[] = {
 				.id = SKL_DISP_PW_2),
 		),
 		.ops = &hsw_power_well_ops,
-		.has_vga = true,
 		.has_fuses = true,
 	}, {
 		.instances = &I915_PW_INSTANCES(
@@ -1722,7 +1710,6 @@ static const struct i915_power_well_desc wcl_power_wells_main[] = {
 				.id = SKL_DISP_PW_2),
 		),
 		.ops = &hsw_power_well_ops,
-		.has_vga = true,
 		.has_fuses = true,
 	}, {
 		.instances = &I915_PW_INSTANCES(
diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.c b/drivers/gpu/drm/i915/display/intel_display_power_well.c
index db185a859133..f855f0f88694 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power_well.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power_well.c
@@ -6,8 +6,8 @@
 #include <linux/iopoll.h>
 
 #include <drm/drm_print.h>
+#include <drm/intel/intel_pcode_regs.h>
 
-#include "i915_reg.h"
 #include "intel_backlight_regs.h"
 #include "intel_combo_phy.h"
 #include "intel_combo_phy_regs.h"
@@ -18,6 +18,7 @@
 #include "intel_display_regs.h"
 #include "intel_display_rpm.h"
 #include "intel_display_types.h"
+#include "intel_display_wa.h"
 #include "intel_dkl_phy.h"
 #include "intel_dkl_phy_regs.h"
 #include "intel_dmc.h"
@@ -27,7 +28,6 @@
 #include "intel_dpll.h"
 #include "intel_hotplug.h"
 #include "intel_parent.h"
-#include "intel_pcode.h"
 #include "intel_pps.h"
 #include "intel_psr.h"
 #include "intel_tc.h"
@@ -195,6 +195,48 @@ int intel_power_well_refcount(struct i915_power_well *power_well)
 	return power_well->count;
 }
 
+static u32 dss_pipe_gating_bits(u8 irq_pipe_mask)
+{
+	u32 bits = 0;
+
+	if (irq_pipe_mask & BIT(PIPE_A))
+		bits |= DSS_PIPE_A_GATING_DISABLED;
+	if (irq_pipe_mask & BIT(PIPE_B))
+		bits |= DSS_PIPE_B_GATING_DISABLED;
+	if (irq_pipe_mask & BIT(PIPE_C))
+		bits |= DSS_PIPE_C_GATING_DISABLED;
+	if (irq_pipe_mask & BIT(PIPE_D))
+		bits |= DSS_PIPE_D_GATING_DISABLED;
+
+	return bits;
+}
+
+static void dss_pipe_gating_enable_disable(struct intel_display *display,
+					   u8 irq_pipe_mask,
+					   bool disable)
+{
+	u32 bits = dss_pipe_gating_bits(irq_pipe_mask);
+	u32 clear, set;
+
+	if (!bits)
+		return;
+
+	/*
+	 * Single intel_de_rmw() for both enable/disable:
+	 *  - disable == true, set bits (disable clock gating)
+	 *  - disable == false, clear bits (re-enable clock gating)
+	 */
+	set = disable ? bits : 0;
+	clear = disable ? 0 : bits;
+
+	intel_de_rmw(display, CLKGATE_DIS_DSSDSC, clear, set);
+
+	drm_dbg_kms(display->drm,
+		    "DSS clock gating %sd for pipe_mask=0x%x (CLKGATE_DIS_DSSDSC=0x%08x)\n",
+		    str_enable_disable(!disable), irq_pipe_mask,
+		    intel_de_read(display, CLKGATE_DIS_DSSDSC));
+}
+
 /*
  * Starting with Haswell, we have a "Power Down Well" that can be turned off
  * when not needed anymore. We have 4 registers that can request the power well
@@ -202,20 +244,25 @@ int intel_power_well_refcount(struct i915_power_well *power_well)
  * requesting it to be enabled.
  */
 static void hsw_power_well_post_enable(struct intel_display *display,
-				       u8 irq_pipe_mask, bool has_vga)
+				       u8 irq_pipe_mask)
 {
-	if (has_vga)
-		intel_vga_reset_io_mem(display);
-
-	if (irq_pipe_mask)
+	if (irq_pipe_mask) {
 		gen8_irq_power_well_post_enable(display, irq_pipe_mask);
+
+		if (intel_display_wa(display, INTEL_DISPLAY_WA_22021048059))
+			dss_pipe_gating_enable_disable(display, irq_pipe_mask, false);
+	}
 }
 
 static void hsw_power_well_pre_disable(struct intel_display *display,
 				       u8 irq_pipe_mask)
 {
-	if (irq_pipe_mask)
+	if (irq_pipe_mask) {
+		if (intel_display_wa(display, INTEL_DISPLAY_WA_22021048059))
+			dss_pipe_gating_enable_disable(display, irq_pipe_mask, true);
+
 		gen8_irq_power_well_pre_disable(display, irq_pipe_mask);
+	}
 }
 
 #define ICL_AUX_PW_TO_PHY(pw_idx)	\
@@ -418,8 +465,7 @@ static void hsw_power_well_enable(struct intel_display *display,
 	}
 
 	hsw_power_well_post_enable(display,
-				   power_well->desc->irq_pipe_mask,
-				   power_well->desc->has_vga);
+				   power_well->desc->irq_pipe_mask);
 }
 
 static void hsw_power_well_disable(struct intel_display *display,
@@ -522,7 +568,7 @@ static void icl_tc_cold_exit(struct intel_display *display)
 	int ret, tries = 0;
 
 	while (1) {
-		ret = intel_pcode_write(display->drm, ICL_PCODE_EXIT_TCCOLD, 0);
+		ret = intel_parent_pcode_write(display, ICL_PCODE_EXIT_TCCOLD, 0);
 		if (ret != -EAGAIN || ++tries == 3)
 			break;
 		msleep(1);
@@ -806,7 +852,7 @@ void gen9_set_dc_state(struct intel_display *display, u32 state)
 			power_domains->dc_state, val & mask);
 
 	enable_dc6 = state & DC_STATE_EN_UPTO_DC6;
-	dc6_was_enabled = val & DC_STATE_EN_UPTO_DC6;
+	dc6_was_enabled = power_domains->dc_state & DC_STATE_EN_UPTO_DC6;
 	if (!dc6_was_enabled && enable_dc6)
 		intel_dmc_update_dc6_allowed_count(display, true);
 
@@ -1230,7 +1276,7 @@ static void vlv_init_display_clock_gating(struct intel_display *display)
 	 * Disable trickle feed and enable pnd deadline calculation
 	 */
 	intel_de_write(display, MI_ARB_VLV,
-		       MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE);
+		       MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE_VLV);
 	intel_de_write(display, CBR1_VLV, 0);
 
 	drm_WARN_ON(display->drm, DISPLAY_RUNTIME_INFO(display)->rawclk_freq == 0);
@@ -1795,7 +1841,7 @@ tgl_tc_cold_request(struct intel_display *display, bool block)
 		 * Spec states that we should timeout the request after 200us
 		 * but the function below will timeout after 500us
 		 */
-		ret = intel_pcode_read(display->drm, TGL_PCODE_TCCOLD, &low_val, &high_val);
+		ret = intel_parent_pcode_read(display, TGL_PCODE_TCCOLD, &low_val, &high_val);
 		if (ret == 0) {
 			if (block &&
 			    (low_val & TGL_PCODE_EXIT_TCCOLD_DATA_L_EXIT_FAILED))
diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.h b/drivers/gpu/drm/i915/display/intel_display_power_well.h
index ec8e508d0593..8f5524da2d06 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power_well.h
+++ b/drivers/gpu/drm/i915/display/intel_display_power_well.h
@@ -103,8 +103,6 @@ struct i915_power_well_desc {
 	 * the well enabled.
 	 */
 	u16 fixed_enable_delay:1;
-	/* The pw is backing the VGA functionality */
-	u16 has_vga:1;
 	u16 has_fuses:1;
 	/*
 	 * The pw is for an ICL+ TypeC PHY port in
diff --git a/drivers/gpu/drm/i915/display/intel_display_regs.h b/drivers/gpu/drm/i915/display/intel_display_regs.h
index 9e0d853f4b61..4746e9ebd920 100644
--- a/drivers/gpu/drm/i915/display/intel_display_regs.h
+++ b/drivers/gpu/drm/i915/display/intel_display_regs.h
@@ -6,6 +6,9 @@
 
 #include "intel_display_reg_defs.h"
 
+#define GU_CNTL_PROTECTED		_MMIO(0x10100C)
+#define   DEPRESENT			REG_BIT(9)
+
 #define _GEN7_PIPEA_DE_LOAD_SL	0x70068
 #define _GEN7_PIPEB_DE_LOAD_SL	0x71068
 #define GEN7_PIPE_DE_LOAD_SL(pipe) _MMIO_PIPE(pipe, _GEN7_PIPEA_DE_LOAD_SL, _GEN7_PIPEB_DE_LOAD_SL)
@@ -79,6 +82,29 @@
 #define   DERRMR_PIPEC_VBLANK		(1 << 21)
 #define   DERRMR_PIPEC_HBLANK		(1 << 22)
 
+#define GEN7_ERR_INT	_MMIO(0x44040)
+#define   ERR_INT_POISON		(1 << 31)
+#define   ERR_INT_INVALID_GTT_PTE	(1 << 29)
+#define   ERR_INT_INVALID_PTE_DATA	(1 << 28)
+#define   ERR_INT_SPRITE_C_FAULT	(1 << 23)
+#define   ERR_INT_PRIMARY_C_FAULT	(1 << 22)
+#define   ERR_INT_CURSOR_C_FAULT	(1 << 21)
+#define   ERR_INT_SPRITE_B_FAULT	(1 << 20)
+#define   ERR_INT_PRIMARY_B_FAULT	(1 << 19)
+#define   ERR_INT_CURSOR_B_FAULT	(1 << 18)
+#define   ERR_INT_SPRITE_A_FAULT	(1 << 17)
+#define   ERR_INT_PRIMARY_A_FAULT	(1 << 16)
+#define   ERR_INT_CURSOR_A_FAULT	(1 << 15)
+#define   ERR_INT_MMIO_UNCLAIMED	(1 << 13)
+#define   ERR_INT_PIPE_CRC_DONE_C	(1 << 8)
+#define   ERR_INT_FIFO_UNDERRUN_C	(1 << 6)
+#define   ERR_INT_PIPE_CRC_DONE_B	(1 << 5)
+#define   ERR_INT_FIFO_UNDERRUN_B	(1 << 3)
+#define   ERR_INT_PIPE_CRC_DONE_A	(1 << 2)
+#define   ERR_INT_PIPE_CRC_DONE(pipe)	(1 << (2 + (pipe) * 3))
+#define   ERR_INT_FIFO_UNDERRUN_A	(1 << 0)
+#define   ERR_INT_FIFO_UNDERRUN(pipe)	(1 << ((pipe) * 3))
+
 #define VLV_IRQ_REGS		I915_IRQ_REGS(VLV_IMR, \
 					      VLV_IER, \
 					      VLV_IIR)
@@ -160,6 +186,47 @@
 
 #define   DPLL_FPA01_P1_POST_DIV_MASK_I830	0x001f0000
 
+#define DSPCLK_GATE_D			_MMIO(0x6200)
+#define VLV_DSPCLK_GATE_D		_MMIO(VLV_DISPLAY_BASE + 0x6200)
+# define DPUNIT_B_CLOCK_GATE_DISABLE		(1 << 30) /* 965 */
+# define VSUNIT_CLOCK_GATE_DISABLE		(1 << 29) /* 965 */
+# define VRHUNIT_CLOCK_GATE_DISABLE		(1 << 28) /* 965 */
+# define VRDUNIT_CLOCK_GATE_DISABLE		(1 << 27) /* 965 */
+# define AUDUNIT_CLOCK_GATE_DISABLE		(1 << 26) /* 965 */
+# define DPUNIT_A_CLOCK_GATE_DISABLE		(1 << 25) /* 965 */
+# define DPCUNIT_CLOCK_GATE_DISABLE		(1 << 24) /* 965 */
+# define PNV_GMBUSUNIT_CLOCK_GATE_DISABLE	(1 << 24) /* pnv */
+# define TVRUNIT_CLOCK_GATE_DISABLE		(1 << 23) /* 915-945 */
+# define TVCUNIT_CLOCK_GATE_DISABLE		(1 << 22) /* 915-945 */
+# define TVFUNIT_CLOCK_GATE_DISABLE		(1 << 21) /* 915-945 */
+# define TVEUNIT_CLOCK_GATE_DISABLE		(1 << 20) /* 915-945 */
+# define DVSUNIT_CLOCK_GATE_DISABLE		(1 << 19) /* 915-945 */
+# define DSSUNIT_CLOCK_GATE_DISABLE		(1 << 18) /* 915-945 */
+# define DDBUNIT_CLOCK_GATE_DISABLE		(1 << 17) /* 915-945 */
+# define DPRUNIT_CLOCK_GATE_DISABLE		(1 << 16) /* 915-945 */
+# define DPFUNIT_CLOCK_GATE_DISABLE		(1 << 15) /* 915-945 */
+# define DPBMUNIT_CLOCK_GATE_DISABLE		(1 << 14) /* 915-945 */
+# define DPLSUNIT_CLOCK_GATE_DISABLE		(1 << 13) /* 915-945 */
+# define DPLUNIT_CLOCK_GATE_DISABLE		(1 << 12) /* 915-945 */
+# define DPOUNIT_CLOCK_GATE_DISABLE		(1 << 11)
+# define DPBUNIT_CLOCK_GATE_DISABLE		(1 << 10)
+# define DCUNIT_CLOCK_GATE_DISABLE		(1 << 9)
+# define DPUNIT_CLOCK_GATE_DISABLE		(1 << 8)
+# define VRUNIT_CLOCK_GATE_DISABLE		(1 << 7) /* 915+: reserved */
+# define OVHUNIT_CLOCK_GATE_DISABLE		(1 << 6) /* 830-865 */
+# define DPIOUNIT_CLOCK_GATE_DISABLE		(1 << 6) /* 915-945 */
+# define OVFUNIT_CLOCK_GATE_DISABLE		(1 << 5)
+# define OVBUNIT_CLOCK_GATE_DISABLE		(1 << 4)
+/*
+ * This bit must be set on the 830 to prevent hangs when turning off the
+ * overlay scaler.
+ */
+# define OVRUNIT_CLOCK_GATE_DISABLE		(1 << 3)
+# define OVCUNIT_CLOCK_GATE_DISABLE		(1 << 2)
+# define OVUUNIT_CLOCK_GATE_DISABLE		(1 << 1)
+# define ZVUNIT_CLOCK_GATE_DISABLE		(1 << 0) /* 830 */
+# define OVLUNIT_CLOCK_GATE_DISABLE		(1 << 0) /* 845,865 */
+
 /* Additional CHV pll/phy registers */
 #define DPIO_PHY_STATUS			_MMIO(VLV_DISPLAY_BASE + 0x6240)
 #define   DPLL_PORTD_READY_MASK		(0xf)
@@ -281,6 +348,7 @@
 #define  FW_CSPWRDWNEN		(1 << 15)
 
 #define MI_ARB_VLV		_MMIO(VLV_DISPLAY_BASE + 0x6504)
+#define   MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE_VLV	(1 << 2)
 
 #define CZCLK_CDCLK_FREQ_RATIO	_MMIO(VLV_DISPLAY_BASE + 0x6508)
 #define   CDCLK_FREQ_SHIFT	4
@@ -311,6 +379,46 @@
 #define OGAMC1			_MMIO(0x30020)
 #define OGAMC0			_MMIO(0x30024)
 
+#define GEN8_CHICKEN_DCPR_1			_MMIO(0x46430)
+#define   _LATENCY_REPORTING_REMOVED_PIPE_D	REG_BIT(31)
+#define   SKL_SELECT_ALTERNATE_DC_EXIT		REG_BIT(30)
+#define   _LATENCY_REPORTING_REMOVED_PIPE_C	REG_BIT(25)
+#define   _LATENCY_REPORTING_REMOVED_PIPE_B	REG_BIT(24)
+#define   _LATENCY_REPORTING_REMOVED_PIPE_A	REG_BIT(23)
+#define   LATENCY_REPORTING_REMOVED(pipe)	_PICK((pipe), \
+						      _LATENCY_REPORTING_REMOVED_PIPE_A, \
+						      _LATENCY_REPORTING_REMOVED_PIPE_B, \
+						      _LATENCY_REPORTING_REMOVED_PIPE_C, \
+						      _LATENCY_REPORTING_REMOVED_PIPE_D)
+#define   ICL_DELAY_PMRSP			REG_BIT(22)
+#define   DISABLE_FLR_SRC			REG_BIT(15)
+#define   MASK_WAKEMEM				REG_BIT(13)
+#define   DDI_CLOCK_REG_ACCESS			REG_BIT(7)
+
+#define CHICKEN_PAR1_1		_MMIO(0x42080)
+#define   IGNORE_KVMR_PIPE_A		REG_BIT(23)
+#define   KBL_ARB_FILL_SPARE_22		REG_BIT(22)
+#define   DIS_RAM_BYPASS_PSR2_MAN_TRACK	REG_BIT(16)
+#define   SKL_DE_COMPRESSED_HASH_MODE	REG_BIT(15)
+#define   HSW_MASK_VBL_TO_PIPE_IN_SRD	REG_BIT(15) /* hsw/bdw */
+#define   FORCE_ARB_IDLE_PLANES		REG_BIT(14)
+#define   SKL_EDP_PSR_FIX_RDWRAP	REG_BIT(3)
+#define   IGNORE_PSR2_HW_TRACKING	REG_BIT(1)
+
+/*
+ * GEN9 clock gating regs
+ */
+#define GEN9_CLKGATE_DIS_0		_MMIO(0x46530)
+#define   DARBF_GATING_DIS		REG_BIT(27)
+#define   DMG_GATING_DIS		REG_BIT(21)
+#define   MTL_PIPEDMC_GATING_DIS(pipe)	REG_BIT(15 - (pipe))
+#define   PWM2_GATING_DIS		REG_BIT(14)
+#define   PWM1_GATING_DIS		REG_BIT(13)
+
+#define GEN9_CLKGATE_DIS_3		_MMIO(0x46538)
+#define   TGL_VRH_GATING_DIS		REG_BIT(31)
+#define   DPT_GATING_DIS		REG_BIT(22)
+
 #define GEN9_CLKGATE_DIS_4		_MMIO(0x4653C)
 #define   BXT_GMBUS_GATING_DIS		(1 << 14)
 #define   DG2_DPFC_GATING_DIS		REG_BIT(31)
@@ -1003,6 +1111,15 @@
 #define SWF3(dev_priv, i)	_MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x72414 + (i) * 4)
 #define SWF_ILK(i)	_MMIO(0x4F000 + (i) * 4)
 
+#define DEISR   _MMIO(0x44000)
+#define DEIMR   _MMIO(0x44004)
+#define DEIIR   _MMIO(0x44008)
+#define DEIER   _MMIO(0x4400c)
+
+#define DE_IRQ_REGS		I915_IRQ_REGS(DEIMR, \
+					      DEIER, \
+					      DEIIR)
+
 #define DIGITAL_PORT_HOTPLUG_CNTRL	_MMIO(0x44030)
 #define  DIGITAL_PORTA_HOTPLUG_ENABLE		(1 << 4)
 #define  DIGITAL_PORTA_PULSE_DURATION_2ms	(0 << 2) /* pre-HSW */
@@ -1333,6 +1450,44 @@
 						      GEN8_DE_PORT_IER, \
 						      GEN8_DE_PORT_IIR)
 
+/* interrupts */
+#define DE_MASTER_IRQ_CONTROL   (1 << 31)
+#define DE_SPRITEB_FLIP_DONE    (1 << 29)
+#define DE_SPRITEA_FLIP_DONE    (1 << 28)
+#define DE_PLANEB_FLIP_DONE     (1 << 27)
+#define DE_PLANEA_FLIP_DONE     (1 << 26)
+#define DE_PLANE_FLIP_DONE(plane) (1 << (26 + (plane)))
+#define DE_PCU_EVENT            (1 << 25)
+#define DE_GTT_FAULT            (1 << 24)
+#define DE_POISON               (1 << 23)
+#define DE_PERFORM_COUNTER      (1 << 22)
+#define DE_PCH_EVENT            (1 << 21)
+#define DE_AUX_CHANNEL_A        (1 << 20)
+#define DE_DP_A_HOTPLUG         (1 << 19)
+#define DE_GSE                  (1 << 18)
+#define DE_PIPEB_VBLANK         (1 << 15)
+#define DE_PIPEB_EVEN_FIELD     (1 << 14)
+#define DE_PIPEB_ODD_FIELD      (1 << 13)
+#define DE_PIPEB_LINE_COMPARE   (1 << 12)
+#define DE_PIPEB_VSYNC          (1 << 11)
+#define DE_PIPEB_CRC_DONE	(1 << 10)
+#define DE_PIPEB_FIFO_UNDERRUN  (1 << 8)
+#define DE_PIPEA_VBLANK         (1 << 7)
+#define DE_PIPE_VBLANK(pipe)    (1 << (7 + 8 * (pipe)))
+#define DE_PIPEA_EVEN_FIELD     (1 << 6)
+#define DE_PIPEA_ODD_FIELD      (1 << 5)
+#define DE_PIPEA_LINE_COMPARE   (1 << 4)
+#define DE_PIPEA_VSYNC          (1 << 3)
+#define DE_PIPEA_CRC_DONE	(1 << 2)
+#define DE_PIPE_CRC_DONE(pipe)	(1 << (2 + 8 * (pipe)))
+#define DE_PIPEA_FIFO_UNDERRUN  (1 << 0)
+#define DE_PIPE_FIFO_UNDERRUN(pipe)  (1 << (8 * (pipe)))
+
+/* Display Internal Timeout Register */
+#define RM_TIMEOUT		_MMIO(0x42060)
+#define RM_TIMEOUT_REG_CAPTURE	_MMIO(0x420E0)
+#define  MMIO_TIMEOUT_US(us)	((us) << 0)
+
 #define GEN8_DE_MISC_ISR _MMIO(0x44460)
 #define GEN8_DE_MISC_IMR _MMIO(0x44464)
 #define GEN8_DE_MISC_IIR _MMIO(0x44468)
@@ -1466,6 +1621,29 @@
 #define   CHICKEN_FBC_STRIDE_MASK	REG_GENMASK(12, 0)
 #define   CHICKEN_FBC_STRIDE(x)		REG_FIELD_PREP(CHICKEN_FBC_STRIDE_MASK, (x))
 
+#define _CHICKEN_PIPESL_1_A	0x420b0
+#define _CHICKEN_PIPESL_1_B	0x420b4
+#define CHICKEN_PIPESL_1(pipe)	_MMIO_PIPE(pipe, _CHICKEN_PIPESL_1_A, _CHICKEN_PIPESL_1_B)
+#define   HSW_PRI_STRETCH_MAX_MASK	REG_GENMASK(28, 27)
+#define   HSW_PRI_STRETCH_MAX_X8	REG_FIELD_PREP(HSW_PRI_STRETCH_MAX_MASK, 0)
+#define   HSW_PRI_STRETCH_MAX_X4	REG_FIELD_PREP(HSW_PRI_STRETCH_MAX_MASK, 1)
+#define   HSW_PRI_STRETCH_MAX_X2	REG_FIELD_PREP(HSW_PRI_STRETCH_MAX_MASK, 2)
+#define   HSW_PRI_STRETCH_MAX_X1	REG_FIELD_PREP(HSW_PRI_STRETCH_MAX_MASK, 3)
+#define   HSW_SPR_STRETCH_MAX_MASK	REG_GENMASK(26, 25)
+#define   HSW_SPR_STRETCH_MAX_X8	REG_FIELD_PREP(HSW_SPR_STRETCH_MAX_MASK, 0)
+#define   HSW_SPR_STRETCH_MAX_X4	REG_FIELD_PREP(HSW_SPR_STRETCH_MAX_MASK, 1)
+#define   HSW_SPR_STRETCH_MAX_X2	REG_FIELD_PREP(HSW_SPR_STRETCH_MAX_MASK, 2)
+#define   HSW_SPR_STRETCH_MAX_X1	REG_FIELD_PREP(HSW_SPR_STRETCH_MAX_MASK, 3)
+#define   HSW_FBCQ_DIS			REG_BIT(22)
+#define   HSW_UNMASK_VBL_TO_REGS_IN_SRD REG_BIT(15) /* hsw */
+#define   SKL_PSR_MASK_PLANE_FLIP	REG_BIT(11) /* skl+ */
+#define   SKL_PLANE1_STRETCH_MAX_MASK	REG_GENMASK(1, 0)
+#define   SKL_PLANE1_STRETCH_MAX_X8	REG_FIELD_PREP(SKL_PLANE1_STRETCH_MAX_MASK, 0)
+#define   SKL_PLANE1_STRETCH_MAX_X4	REG_FIELD_PREP(SKL_PLANE1_STRETCH_MAX_MASK, 1)
+#define   SKL_PLANE1_STRETCH_MAX_X2	REG_FIELD_PREP(SKL_PLANE1_STRETCH_MAX_MASK, 2)
+#define   SKL_PLANE1_STRETCH_MAX_X1	REG_FIELD_PREP(SKL_PLANE1_STRETCH_MAX_MASK, 3)
+#define   BDW_UNMASK_VBL_TO_REGS_IN_SRD	REG_BIT(0) /* bdw */
+
 #define _CHICKEN_TRANS_A	0x420c0
 #define _CHICKEN_TRANS_B	0x420c4
 #define _CHICKEN_TRANS_C	0x420c8
@@ -1552,6 +1730,11 @@
 #define   GLK_DFSM_DISPLAY_DSC_DISABLE	(1 << 7)
 #define   XE2LPD_DFSM_DBUF_OVERLAP_DISABLE	(1 << 3)
 
+#define GMD_ID_DISPLAY				_MMIO(0x510a0)
+#define   GMD_ID_DISPLAY_ARCH_MASK		REG_GENMASK(31, 22)
+#define   GMD_ID_DISPLAY_RELEASE_MASK		REG_GENMASK(21, 14)
+#define   GMD_ID_DISPLAY_STEP			REG_GENMASK(5, 0)
+
 #define XE2LPD_DE_CAP			_MMIO(0x41100)
 #define   XE2LPD_DE_CAP_3DLUT_MASK	REG_GENMASK(31, 30)
 #define   XE2LPD_DE_CAP_DSC_MASK	REG_GENMASK(29, 28)
@@ -1685,6 +1868,13 @@
 					 SDE_TC_HOTPLUG_ICP(HPD_PORT_TC2) | \
 					 SDE_TC_HOTPLUG_ICP(HPD_PORT_TC1))
 
+/* PCH */
+
+#define SDEISR  _MMIO(0xc4000)
+#define SDEIMR  _MMIO(0xc4004)
+#define SDEIIR  _MMIO(0xc4008)
+#define SDEIER  _MMIO(0xc400c)
+
 #define SDE_IRQ_REGS			I915_IRQ_REGS(SDEIMR, \
 						      SDEIER, \
 						      SDEIIR)
@@ -2021,6 +2211,28 @@
 #define  TRANS_BPC_6			REG_FIELD_PREP(TRANS_BPC_MASK, 2)
 #define  TRANS_BPC_12			REG_FIELD_PREP(TRANS_BPC_MASK, 3)
 
+/* Icelake PPS_DATA and _ECC DIP Registers.
+ * These are available for transcoders B,C and eDP.
+ * Adding the _A so as to reuse the _MMIO_TRANS2
+ * definition, with which it offsets to the right location.
+ */
+
+#define _TRANSA_CHICKEN1	 0xf0060
+#define _TRANSB_CHICKEN1	 0xf1060
+#define TRANS_CHICKEN1(pipe)	_MMIO_PIPE(pipe, _TRANSA_CHICKEN1, _TRANSB_CHICKEN1)
+#define   TRANS_CHICKEN1_HDMIUNIT_GC_DISABLE	REG_BIT(10)
+#define   TRANS_CHICKEN1_DP0UNIT_GC_DISABLE	REG_BIT(4)
+
+#define _TRANSA_CHICKEN2	0xf0064
+#define _TRANSB_CHICKEN2	0xf1064
+#define TRANS_CHICKEN2(pipe)	_MMIO_PIPE(pipe, _TRANSA_CHICKEN2, _TRANSB_CHICKEN2)
+#define   TRANS_CHICKEN2_TIMING_OVERRIDE		REG_BIT(31)
+#define   TRANS_CHICKEN2_FDI_POLARITY_REVERSED		REG_BIT(29)
+#define   TRANS_CHICKEN2_FRAME_START_DELAY_MASK		REG_GENMASK(28, 27)
+#define   TRANS_CHICKEN2_FRAME_START_DELAY(x)		REG_FIELD_PREP(TRANS_CHICKEN2_FRAME_START_DELAY_MASK, (x)) /* 0-3 */
+#define   TRANS_CHICKEN2_DISABLE_DEEP_COLOR_COUNTER	REG_BIT(26)
+#define   TRANS_CHICKEN2_DISABLE_DEEP_COLOR_MODESWITCH	REG_BIT(25)
+
 #define PCH_DP_B		_MMIO(0xe4100)
 #define PCH_DP_C		_MMIO(0xe4200)
 #define PCH_DP_D		_MMIO(0xe4300)
@@ -2211,6 +2423,13 @@
 #define   HSW_PWR_WELL_FORCE_ON			(1 << 19)
 #define HSW_PWR_WELL_CTL6			_MMIO(0x45414)
 
+/* clock gating DSS DSC disable register */
+#define CLKGATE_DIS_DSSDSC			_MMIO(0x46548)
+#define   DSS_PIPE_D_GATING_DISABLED		REG_BIT(31)
+#define   DSS_PIPE_C_GATING_DISABLED		REG_BIT(29)
+#define   DSS_PIPE_B_GATING_DISABLED		REG_BIT(27)
+#define   DSS_PIPE_A_GATING_DISABLED		REG_BIT(25)
+
 /* SKL Fuse Status */
 enum skl_power_gate {
 	SKL_PG0,
@@ -2854,6 +3073,42 @@ enum skl_power_gate {
 #define  SFUSE_STRAP_DDIC_DETECTED	(1 << 1)
 #define  SFUSE_STRAP_DDID_DETECTED	(1 << 0)
 
+#define SOUTH_CHICKEN1		_MMIO(0xc2000)
+#define  FDIA_PHASE_SYNC_SHIFT_OVR	19
+#define  FDIA_PHASE_SYNC_SHIFT_EN	18
+#define  INVERT_DDIE_HPD			REG_BIT(28)
+#define  INVERT_DDID_HPD_MTP			REG_BIT(27)
+#define  INVERT_TC4_HPD				REG_BIT(26)
+#define  INVERT_TC3_HPD				REG_BIT(25)
+#define  INVERT_TC2_HPD				REG_BIT(24)
+#define  INVERT_TC1_HPD				REG_BIT(23)
+#define  INVERT_DDID_HPD			(1 << 18)
+#define  INVERT_DDIC_HPD			(1 << 17)
+#define  INVERT_DDIB_HPD			(1 << 16)
+#define  INVERT_DDIA_HPD			(1 << 15)
+#define  FDI_PHASE_SYNC_OVR(pipe) (1 << (FDIA_PHASE_SYNC_SHIFT_OVR - ((pipe) * 2)))
+#define  FDI_PHASE_SYNC_EN(pipe) (1 << (FDIA_PHASE_SYNC_SHIFT_EN - ((pipe) * 2)))
+#define  FDI_BC_BIFURCATION_SELECT	(1 << 12)
+#define  CHASSIS_CLK_REQ_DURATION_MASK	(0xf << 8)
+#define  CHASSIS_CLK_REQ_DURATION(x)	((x) << 8)
+#define  SBCLK_RUN_REFCLK_DIS		(1 << 7)
+#define  ICP_SECOND_PPS_IO_SELECT	REG_BIT(2)
+#define  SPT_PWM_GRANULARITY		(1 << 0)
+#define SOUTH_CHICKEN2		_MMIO(0xc2004)
+#define  FDI_MPHY_IOSFSB_RESET_STATUS	(1 << 13)
+#define  FDI_MPHY_IOSFSB_RESET_CTL	(1 << 12)
+#define  LPT_PWM_GRANULARITY		(1 << 5)
+#define  DPLS_EDP_PPS_FIX_DIS		(1 << 0)
+
+#define SOUTH_DSPCLK_GATE_D	_MMIO(0xc2020)
+#define  PCH_GMBUSUNIT_CLOCK_GATE_DISABLE (1 << 31)
+#define  PCH_DPLUNIT_CLOCK_GATE_DISABLE (1 << 30)
+#define  PCH_DPLSUNIT_CLOCK_GATE_DISABLE (1 << 29)
+#define  PCH_DPMGUNIT_CLOCK_GATE_DISABLE (1 << 15)
+#define  PCH_CPUNIT_CLOCK_GATE_DISABLE (1 << 14)
+#define  CNP_PWM_CGE_GATING_DISABLE (1 << 13)
+#define  PCH_LP_PARTITION_LEVEL_DISABLE  (1 << 12)
+
 /* Gen4+ Timestamp and Pipe Frame time stamp registers */
 #define GEN4_TIMESTAMP		_MMIO(0x2358)
 #define ILK_TIMESTAMP_HI	_MMIO(0x70070)
@@ -2940,6 +3195,12 @@ enum skl_power_gate {
 #define MTL_PIPE_CLKGATE_DIS2(pipe)		_MMIO_PIPE(pipe, _MTL_PIPE_CLKGATE_DIS2_A, _MTL_PIPE_CLKGATE_DIS2_B)
 #define   MTL_DPFC_GATING_DIS			REG_BIT(6)
 
+#define MTL_MEM_SS_INFO_GLOBAL			_MMIO(0x45700)
+#define   XE3P_ECC_IMPACTING_DE			REG_BIT(12)
+#define   MTL_N_OF_ENABLED_QGV_POINTS_MASK	REG_GENMASK(11, 8)
+#define   MTL_N_OF_POPULATED_CH_MASK		REG_GENMASK(7, 4)
+#define   MTL_DDR_TYPE_MASK			REG_GENMASK(3, 0)
+
 #define MTL_MEM_SS_INFO_QGV_POINT_OFFSET	0x45710
 #define MTL_MEM_SS_INFO_QGV_POINT_LOW(point)	_MMIO(MTL_MEM_SS_INFO_QGV_POINT_OFFSET + (point) * 8)
 #define   MTL_TRCD_MASK			REG_GENMASK(31, 24)
@@ -2950,6 +3211,11 @@ enum skl_power_gate {
 #define   MTL_TRAS_MASK			REG_GENMASK(16, 8)
 #define   MTL_TRDPRE_MASK		REG_GENMASK(7, 0)
 
-
+#define FW_BLC		_MMIO(0x20d8)
+#define FW_BLC2		_MMIO(0x20dc)
+#define FW_BLC_SELF	_MMIO(0x20e0) /* 915+ only */
+#define   FW_BLC_SELF_EN_MASK      REG_BIT(31)
+#define   FW_BLC_SELF_FIFO_MASK    REG_BIT(16) /* 945 only */
+#define   FW_BLC_SELF_EN           REG_BIT(15) /* 945 only */
 
 #endif /* __INTEL_DISPLAY_REGS_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_display_rps.c b/drivers/gpu/drm/i915/display/intel_display_rps.c
index b58281edc563..2f8248458826 100644
--- a/drivers/gpu/drm/i915/display/intel_display_rps.c
+++ b/drivers/gpu/drm/i915/display/intel_display_rps.c
@@ -8,8 +8,8 @@
 #include <drm/drm_crtc.h>
 #include <drm/drm_vblank.h>
 
-#include "i915_reg.h"
 #include "intel_display_core.h"
+#include "intel_display_regs.h"
 #include "intel_display_irq.h"
 #include "intel_display_rps.h"
 #include "intel_display_types.h"
diff --git a/drivers/gpu/drm/i915/display/intel_display_snapshot.c b/drivers/gpu/drm/i915/display/intel_display_snapshot.c
index f650f15ad394..7f423182aa29 100644
--- a/drivers/gpu/drm/i915/display/intel_display_snapshot.c
+++ b/drivers/gpu/drm/i915/display/intel_display_snapshot.c
@@ -19,7 +19,6 @@ struct intel_display_snapshot {
 	struct intel_display_device_info info;
 	struct intel_display_runtime_info runtime_info;
 	struct intel_display_params params;
-	struct intel_overlay_snapshot *overlay;
 	struct intel_dmc_snapshot *dmc;
 	struct intel_display_irq_snapshot *irq;
 };
@@ -41,7 +40,6 @@ struct intel_display_snapshot *intel_display_snapshot_capture(struct intel_displ
 	intel_display_params_copy(&snapshot->params);
 
 	snapshot->irq = intel_display_irq_snapshot_capture(display);
-	snapshot->overlay = intel_overlay_snapshot_capture(display);
 	snapshot->dmc = intel_dmc_snapshot_capture(display);
 
 	return snapshot;
@@ -61,7 +59,6 @@ void intel_display_snapshot_print(const struct intel_display_snapshot *snapshot,
 	intel_display_params_dump(&snapshot->params, display->drm->driver->name, p);
 
 	intel_display_irq_snapshot_print(snapshot->irq, p);
-	intel_overlay_snapshot_print(snapshot->overlay, p);
 	intel_dmc_snapshot_print(snapshot->dmc, p);
 }
 
@@ -73,7 +70,6 @@ void intel_display_snapshot_free(struct intel_display_snapshot *snapshot)
 	intel_display_params_free(&snapshot->params);
 
 	kfree(snapshot->irq);
-	kfree(snapshot->overlay);
 	kfree(snapshot->dmc);
 	kfree(snapshot);
 }
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 6b92f333e18b..e189f8c39ccb 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -145,7 +145,7 @@ struct intel_framebuffer {
 		struct intel_fb_view remapped_view;
 	};
 
-	struct i915_address_space *dpt_vm;
+	struct intel_dpt *dpt;
 
 	unsigned int min_alignment;
 	unsigned int vtd_guard;
@@ -351,6 +351,7 @@ struct intel_vbt_panel_data {
 		bool low_vswing;
 		bool hobl;
 		bool dsc_disable;
+		bool pipe_joiner_enable;
 	} edp;
 
 	struct {
@@ -1162,6 +1163,7 @@ struct intel_crtc_state {
 	} dsi_pll;
 
 	int max_link_bpp_x16;	/* in 1/16 bpp units */
+	int max_pipe_bpp;	/* in 1 bpp units */
 	int pipe_bpp;		/* in 1 bpp units */
 	int min_hblank;
 	struct intel_link_m_n dp_m_n;
@@ -1333,10 +1335,13 @@ struct intel_crtc_state {
 		/* Only used for state computation, not read out from the HW. */
 		bool compression_enabled_on_link;
 		bool compression_enable;
-		int num_streams;
+		struct intel_dsc_slice_config {
+			int pipes_per_line;
+			int streams_per_pipe;
+			int slices_per_stream;
+		} slice_config;
 		/* Compressed Bpp in U6.4 format (first 4 bits for fractional part) */
 		u16 compressed_bpp_x16;
-		u8 slice_count;
 		struct drm_dsc_config config;
 	} dsc;
 
@@ -1791,6 +1796,7 @@ struct intel_dp {
 	int link_rate;
 	u8 lane_count;
 	u8 sink_count;
+	bool downstream_port_changed;
 	bool needs_modeset_retry;
 	bool use_max_params;
 	u8 dpcd[DP_RECEIVER_CAP_SIZE];
diff --git a/drivers/gpu/drm/i915/display/intel_display_wa.c b/drivers/gpu/drm/i915/display/intel_display_wa.c
index 581d943b9bdc..081a4092cd13 100644
--- a/drivers/gpu/drm/i915/display/intel_display_wa.c
+++ b/drivers/gpu/drm/i915/display/intel_display_wa.c
@@ -5,11 +5,11 @@
 
 #include <drm/drm_print.h>
 
-#include "i915_reg.h"
 #include "intel_de.h"
 #include "intel_display_core.h"
 #include "intel_display_regs.h"
 #include "intel_display_wa.h"
+#include "intel_step.h"
 
 static void gen11_display_wa_apply(struct intel_display *display)
 {
@@ -32,9 +32,17 @@ static void adlp_display_wa_apply(struct intel_display *display)
 	intel_de_rmw(display, GEN8_CHICKEN_DCPR_1, DDI_CLOCK_REG_ACCESS, 0);
 }
 
+static void xe3plpd_display_wa_apply(struct intel_display *display)
+{
+	/* Wa_22021451799 */
+	intel_de_rmw(display, GEN9_CLKGATE_DIS_0, 0, DMG_GATING_DIS);
+}
+
 void intel_display_wa_apply(struct intel_display *display)
 {
-	if (display->platform.alderlake_p)
+	if (DISPLAY_VER(display) == 35)
+		xe3plpd_display_wa_apply(display);
+	else if (display->platform.alderlake_p)
 		adlp_display_wa_apply(display);
 	else if (DISPLAY_VER(display) == 12)
 		xe_d_display_wa_apply(display);
@@ -62,22 +70,89 @@ static bool intel_display_needs_wa_16025573575(struct intel_display *display)
 bool __intel_display_wa(struct intel_display *display, enum intel_display_wa wa, const char *name)
 {
 	switch (wa) {
+	case INTEL_DISPLAY_WA_1409120013:
+		return IS_DISPLAY_VER(display, 11, 12);
+	case INTEL_DISPLAY_WA_1409767108:
+		return (display->platform.alderlake_s ||
+			(display->platform.rocketlake &&
+			 IS_DISPLAY_STEP(display, STEP_A0, STEP_B0)));
 	case INTEL_DISPLAY_WA_13012396614:
-		return DISPLAY_VERx100(display) == 3000;
+		return DISPLAY_VERx100(display) == 3000 ||
+			DISPLAY_VERx100(display) == 3500;
+	case INTEL_DISPLAY_WA_14010477008:
+		return display->platform.dg1 || display->platform.rocketlake ||
+			(display->platform.tigerlake &&
+			 IS_DISPLAY_STEP(display, STEP_A0, STEP_D0));
+	case INTEL_DISPLAY_WA_14010480278:
+		return (IS_DISPLAY_VER(display, 10, 12));
+	case INTEL_DISPLAY_WA_14010547955:
+		return display->platform.dg2;
+	case INTEL_DISPLAY_WA_14010685332:
+		return INTEL_PCH_TYPE(display) >= PCH_CNP &&
+			INTEL_PCH_TYPE(display) < PCH_DG1;
+	case INTEL_DISPLAY_WA_14011294188:
+		return INTEL_PCH_TYPE(display) >= PCH_TGP &&
+			INTEL_PCH_TYPE(display) < PCH_DG1;
+	case INTEL_DISPLAY_WA_14011503030:
 	case INTEL_DISPLAY_WA_14011503117:
+	case INTEL_DISPLAY_WA_22012358565:
 		return DISPLAY_VER(display) == 13;
+	case INTEL_DISPLAY_WA_14011508470:
+		return (IS_DISPLAY_VERx100(display, 1200, 1300));
+	case INTEL_DISPLAY_WA_14011765242:
+		return display->platform.alderlake_s &&
+			IS_DISPLAY_STEP(display, STEP_A0, STEP_A2);
+	case INTEL_DISPLAY_WA_14014143976:
+		return IS_DISPLAY_STEP(display, STEP_E0, STEP_FOREVER);
+	case INTEL_DISPLAY_WA_14016740474:
+		return IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_C0);
+	case INTEL_DISPLAY_WA_14020863754:
+		return DISPLAY_VERx100(display) == 3000 ||
+			DISPLAY_VERx100(display) == 2000 ||
+			DISPLAY_VERx100(display) == 1401;
 	case INTEL_DISPLAY_WA_14025769978:
 		return DISPLAY_VER(display) == 35;
+	case INTEL_DISPLAY_WA_15013987218:
+		return DISPLAY_VER(display) == 20;
 	case INTEL_DISPLAY_WA_15018326506:
 		return display->platform.battlemage;
+	case INTEL_DISPLAY_WA_16011303918:
+	case INTEL_DISPLAY_WA_22011320316:
+		return display->platform.alderlake_p &&
+			IS_DISPLAY_STEP(display, STEP_A0, STEP_B0);
+	case INTEL_DISPLAY_WA_16011181250:
+		return display->platform.rocketlake || display->platform.alderlake_s ||
+			display->platform.dg2;
+	case INTEL_DISPLAY_WA_16011342517:
+		return display->platform.alderlake_p &&
+			IS_DISPLAY_STEP(display, STEP_A0, STEP_D0);
+	case INTEL_DISPLAY_WA_16011863758:
+		return DISPLAY_VER(display) >= 11;
 	case INTEL_DISPLAY_WA_16023588340:
 		return intel_display_needs_wa_16023588340(display);
 	case INTEL_DISPLAY_WA_16025573575:
 		return intel_display_needs_wa_16025573575(display);
+	case INTEL_DISPLAY_WA_16025596647:
+		return DISPLAY_VER(display) == 20 &&
+			IS_DISPLAY_VERx100_STEP(display, 3000,
+						STEP_A0, STEP_B0);
+	case INTEL_DISPLAY_WA_18034343758:
+		return DISPLAY_VER(display) == 20 ||
+			(display->platform.pantherlake &&
+			 IS_DISPLAY_STEP(display, STEP_A0, STEP_B0));
+	case INTEL_DISPLAY_WA_22010178259:
+		return DISPLAY_VER(display) == 12;
+	case INTEL_DISPLAY_WA_22010947358:
+		return display->platform.alderlake_p;
+	case INTEL_DISPLAY_WA_22012278275:
+		return display->platform.alderlake_p &&
+			IS_DISPLAY_STEP(display, STEP_A0, STEP_E0);
 	case INTEL_DISPLAY_WA_22014263786:
 		return IS_DISPLAY_VERx100(display, 1100, 1400);
+	case INTEL_DISPLAY_WA_22021048059:
+		return IS_DISPLAY_VER(display, 14, 35);
 	default:
-		drm_WARN(display->drm, 1, "Missing Wa number: %s\n", name);
+		drm_WARN(display->drm, 1, "Missing Wa: %s\n", name);
 		break;
 	}
 
diff --git a/drivers/gpu/drm/i915/display/intel_display_wa.h b/drivers/gpu/drm/i915/display/intel_display_wa.h
index 40f989f19df1..15fec843f15e 100644
--- a/drivers/gpu/drm/i915/display/intel_display_wa.h
+++ b/drivers/gpu/drm/i915/display/intel_display_wa.h
@@ -27,18 +27,44 @@ bool intel_display_needs_wa_16023588340(struct intel_display *display);
  * number.
  */
 enum intel_display_wa {
+	INTEL_DISPLAY_WA_1409120013,
+	INTEL_DISPLAY_WA_1409767108,
 	INTEL_DISPLAY_WA_13012396614,
+	INTEL_DISPLAY_WA_14010477008,
+	INTEL_DISPLAY_WA_14010480278,
+	INTEL_DISPLAY_WA_14010547955,
+	INTEL_DISPLAY_WA_14010685332,
+	INTEL_DISPLAY_WA_14011294188,
+	INTEL_DISPLAY_WA_14011503030,
 	INTEL_DISPLAY_WA_14011503117,
+	INTEL_DISPLAY_WA_14011508470,
+	INTEL_DISPLAY_WA_14011765242,
+	INTEL_DISPLAY_WA_14014143976,
+	INTEL_DISPLAY_WA_14016740474,
+	INTEL_DISPLAY_WA_14020863754,
 	INTEL_DISPLAY_WA_14025769978,
+	INTEL_DISPLAY_WA_15013987218,
 	INTEL_DISPLAY_WA_15018326506,
+	INTEL_DISPLAY_WA_16011181250,
+	INTEL_DISPLAY_WA_16011303918,
+	INTEL_DISPLAY_WA_16011342517,
+	INTEL_DISPLAY_WA_16011863758,
 	INTEL_DISPLAY_WA_16023588340,
 	INTEL_DISPLAY_WA_16025573575,
+	INTEL_DISPLAY_WA_16025596647,
+	INTEL_DISPLAY_WA_18034343758,
+	INTEL_DISPLAY_WA_22010178259,
+	INTEL_DISPLAY_WA_22010947358,
+	INTEL_DISPLAY_WA_22011320316,
+	INTEL_DISPLAY_WA_22012278275,
+	INTEL_DISPLAY_WA_22012358565,
 	INTEL_DISPLAY_WA_22014263786,
+	INTEL_DISPLAY_WA_22021048059,
 };
 
 bool __intel_display_wa(struct intel_display *display, enum intel_display_wa wa, const char *name);
 
 #define intel_display_wa(__display, __wa) \
-	__intel_display_wa((__display), INTEL_DISPLAY_WA_##__wa, __stringify(__wa))
+	__intel_display_wa((__display), __wa, __stringify(__wa))
 
 #endif
diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c
index 1006b060c3f3..90ba932d940a 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -29,7 +29,6 @@
 #include <drm/drm_file.h>
 #include <drm/drm_print.h>
 
-#include "i915_reg.h"
 #include "intel_crtc.h"
 #include "intel_de.h"
 #include "intel_display_power_well.h"
@@ -1599,8 +1598,7 @@ static bool intel_dmc_get_dc6_allowed_count(struct intel_display *display, u32 *
 		return false;
 
 	mutex_lock(&power_domains->lock);
-	dc6_enabled = intel_de_read(display, DC_STATE_EN) &
-		      DC_STATE_EN_UPTO_DC6;
+	dc6_enabled = power_domains->dc_state & DC_STATE_EN_UPTO_DC6;
 	if (dc6_enabled)
 		intel_dmc_update_dc6_allowed_count(display, false);
 
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 559cf3bb23fd..4955bd8b11d7 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -107,20 +107,6 @@
 /* Constants for DP DSC configurations */
 static const u8 valid_dsc_bpp[] = {6, 8, 10, 12, 15};
 
-/*
- * With Single pipe configuration, HW is capable of supporting maximum of:
- * 2 slices per line for ICL, BMG
- * 4 slices per line for other platforms.
- * For now consider a max of 2 slices per line, which works for all platforms.
- * With this we can have max of 4 DSC Slices per pipe.
- *
- * For higher resolutions where 12 slice support is required with
- * ultrajoiner, only then each pipe can support 3 slices.
- *
- * #TODO Split this better to use 4 slices/dsc engine where supported.
- */
-static const u8 valid_dsc_slicecount[] = {1, 2, 3, 4};
-
 /**
  * intel_dp_is_edp - is the given port attached to an eDP panel (either CPU or PCH)
  * @intel_dp: DP struct
@@ -508,11 +494,16 @@ bool intel_dp_has_joiner(struct intel_dp *intel_dp)
 	struct intel_display *display = to_intel_display(intel_dp);
 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
 	struct intel_encoder *encoder = &intel_dig_port->base;
+	struct intel_connector *connector = intel_dp->attached_connector;
 
 	/* eDP MSO is not compatible with joiner */
 	if (intel_dp->mso_link_count)
 		return false;
 
+	if (intel_dp_is_edp(intel_dp) &&
+	    !connector->panel.vbt.edp.pipe_joiner_enable)
+		return false;
+
 	return DISPLAY_VER(display) >= 12 ||
 		(DISPLAY_VER(display) == 11 &&
 		 encoder->port != PORT_A);
@@ -959,18 +950,24 @@ u32 get_max_compressed_bpp_with_joiner(struct intel_display *display,
 	return max_bpp;
 }
 
-u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
-				int mode_clock, int mode_hdisplay,
-				int num_joined_pipes)
+static int intel_dp_dsc_min_slice_count(const struct intel_connector *connector,
+					int mode_clock, int mode_hdisplay)
 {
 	struct intel_display *display = to_intel_display(connector);
-	u32 sink_slice_count_mask =
-		drm_dp_dsc_sink_slice_count_mask(connector->dp.dsc_dpcd, false);
-	u8 min_slice_count, i;
+	bool is_edp =
+		connector->base.connector_type == DRM_MODE_CONNECTOR_eDP;
+	int min_slice_count;
 	int max_slice_width;
 	int tp_rgb_yuv444;
 	int tp_yuv422_420;
 
+	/*
+	 * TODO: allow using less than the maximum number of slices
+	 * supported by the eDP sink, to allow using fewer DSC engines.
+	 */
+	if (is_edp)
+		return drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd, true);
+
 	/*
 	 * TODO: Use the throughput value specific to the actual RGB/YUV
 	 * format of the output.
@@ -1011,7 +1008,7 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
 	 * slice and VDSC engine, whenever we approach close enough to max CDCLK
 	 */
 	if (mode_clock >= ((display->cdclk.max_cdclk_freq * 85) / 100))
-		min_slice_count = max_t(u8, min_slice_count, 2);
+		min_slice_count = max(min_slice_count, 2);
 
 	max_slice_width = drm_dp_dsc_sink_max_slice_width(connector->dp.dsc_dpcd);
 	if (max_slice_width < DP_DSC_MIN_SLICE_WIDTH_VALUE) {
@@ -1021,39 +1018,64 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
 		return 0;
 	}
 	/* Also take into account max slice width */
-	min_slice_count = max_t(u8, min_slice_count,
-				DIV_ROUND_UP(mode_hdisplay,
-					     max_slice_width));
+	min_slice_count = max(min_slice_count,
+			      DIV_ROUND_UP(mode_hdisplay, max_slice_width));
 
-	/* Find the closest match to the valid slice count values */
-	for (i = 0; i < ARRAY_SIZE(valid_dsc_slicecount); i++) {
-		u8 test_slice_count = valid_dsc_slicecount[i] * num_joined_pipes;
+	return min_slice_count;
+}
 
-		/*
-		 * 3 DSC Slices per pipe need 3 DSC engines, which is supported only
-		 * with Ultrajoiner only for some platforms.
-		 */
-		if (valid_dsc_slicecount[i] == 3 &&
-		    (!HAS_DSC_3ENGINES(display) || num_joined_pipes != 4))
+static bool
+intel_dp_dsc_get_slice_config(const struct intel_connector *connector,
+			      int mode_clock, int mode_hdisplay,
+			      int num_joined_pipes,
+			      struct intel_dsc_slice_config *config_ret)
+{
+	struct intel_display *display = to_intel_display(connector);
+	int min_slice_count =
+		intel_dp_dsc_min_slice_count(connector, mode_clock, mode_hdisplay);
+	bool is_edp =
+		connector->base.connector_type == DRM_MODE_CONNECTOR_eDP;
+	u32 sink_slice_count_mask =
+		drm_dp_dsc_sink_slice_count_mask(connector->dp.dsc_dpcd, is_edp);
+	int slices_per_pipe;
+
+	/*
+	 * Find the closest match to the valid slice count values
+	 *
+	 * Max HW DSC-per-pipe x slice-per-DSC (= slice-per-pipe) capability:
+	 * ICL:  2x2
+	 * BMG:  2x2, or for ultrajoined 4 pipes: 3x1
+	 * TGL+: 2x4 (TODO: Add support for this)
+	 *
+	 * TODO: Explore if it's worth increasing the number of slices (from 1
+	 * to 2 or 3), so that multiple VDSC engines can be used, thus
+	 * reducing the minimum CDCLK requirement, which in turn is determined
+	 * by the 1 pixel per clock VDSC engine throughput in
+	 * intel_vdsc_min_cdclk().
+	 */
+	for (slices_per_pipe = 1; slices_per_pipe <= 4; slices_per_pipe++) {
+		struct intel_dsc_slice_config config;
+		int slices_per_line;
+
+		if (!intel_dsc_get_slice_config(display,
+						num_joined_pipes, slices_per_pipe,
+						&config))
 			continue;
 
-		if (!(drm_dp_dsc_slice_count_to_mask(test_slice_count) &
+		slices_per_line = intel_dsc_line_slice_count(&config);
+
+		if (!(drm_dp_dsc_slice_count_to_mask(slices_per_line) &
 		      sink_slice_count_mask))
 			continue;
 
-		 /*
-		  * Bigjoiner needs small joiner to be enabled.
-		  * So there should be at least 2 dsc slices per pipe,
-		  * whenever bigjoiner is enabled.
-		  */
-		if (num_joined_pipes > 1 && valid_dsc_slicecount[i] < 2)
+		if (mode_hdisplay % slices_per_line)
 			continue;
 
-		if (mode_hdisplay % test_slice_count)
-			continue;
+		if (min_slice_count <= slices_per_line) {
+			*config_ret = config;
 
-		if (min_slice_count <= test_slice_count)
-			return test_slice_count;
+			return true;
+		}
 	}
 
 	/* Print slice count 1,2,4,..24 if bit#0,1,3,..23 is set in the mask. */
@@ -1064,7 +1086,21 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
 		    min_slice_count,
 		    (int)BITS_PER_TYPE(sink_slice_count_mask), &sink_slice_count_mask);
 
-	return 0;
+	return false;
+}
+
+u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
+				int mode_clock, int mode_hdisplay,
+				int num_joined_pipes)
+{
+	struct intel_dsc_slice_config config;
+
+	if (!intel_dp_dsc_get_slice_config(connector,
+					   mode_clock, mode_hdisplay,
+					   num_joined_pipes, &config))
+		return 0;
+
+	return intel_dsc_line_slice_count(&config);
 }
 
 static bool source_can_output(struct intel_dp *intel_dp,
@@ -1335,44 +1371,9 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector,
 	return MODE_OK;
 }
 
-static
-bool intel_dp_needs_joiner(struct intel_dp *intel_dp,
-			   struct intel_connector *connector,
-			   int hdisplay, int clock,
-			   int num_joined_pipes)
+int intel_dp_max_hdisplay_per_pipe(struct intel_display *display)
 {
-	struct intel_display *display = to_intel_display(intel_dp);
-	int hdisplay_limit;
-
-	if (!intel_dp_has_joiner(intel_dp))
-		return false;
-
-	num_joined_pipes /= 2;
-
-	hdisplay_limit = DISPLAY_VER(display) >= 30 ? 6144 : 5120;
-
-	return clock > num_joined_pipes * display->cdclk.max_dotclk_freq ||
-	       hdisplay > num_joined_pipes * hdisplay_limit;
-}
-
-int intel_dp_num_joined_pipes(struct intel_dp *intel_dp,
-			      struct intel_connector *connector,
-			      int hdisplay, int clock)
-{
-	struct intel_display *display = to_intel_display(intel_dp);
-
-	if (connector->force_joined_pipes)
-		return connector->force_joined_pipes;
-
-	if (HAS_ULTRAJOINER(display) &&
-	    intel_dp_needs_joiner(intel_dp, connector, hdisplay, clock, 4))
-		return 4;
-
-	if ((HAS_BIGJOINER(display) || HAS_UNCOMPRESSED_JOINER(display)) &&
-	    intel_dp_needs_joiner(intel_dp, connector, hdisplay, clock, 2))
-		return 2;
-
-	return 1;
+	return DISPLAY_VER(display) >= 30 ? 6144 : 5120;
 }
 
 bool intel_dp_has_dsc(const struct intel_connector *connector)
@@ -1395,6 +1396,51 @@ bool intel_dp_has_dsc(const struct intel_connector *connector)
 	return true;
 }
 
+static
+bool intel_dp_can_join(struct intel_dp *intel_dp,
+		       int num_joined_pipes)
+{
+	struct intel_display *display = to_intel_display(intel_dp);
+
+	if (num_joined_pipes > 1 && !intel_dp_has_joiner(intel_dp))
+		return false;
+
+	switch (num_joined_pipes) {
+	case 1:
+		return true;
+	case 2:
+		return HAS_BIGJOINER(display) ||
+		       HAS_UNCOMPRESSED_JOINER(display);
+	case 4:
+		return HAS_ULTRAJOINER(display);
+	default:
+		return false;
+	}
+}
+
+bool intel_dp_dotclk_valid(struct intel_display *display,
+			   int target_clock,
+			   int htotal,
+			   int dsc_slice_count,
+			   int num_joined_pipes)
+{
+	int max_dotclk = display->cdclk.max_dotclk_freq;
+	int effective_dotclk_limit;
+
+	effective_dotclk_limit = max_dotclk * num_joined_pipes;
+
+	if (dsc_slice_count)
+		target_clock = intel_dsc_get_pixel_rate_with_dsc_bubbles(display,
+									 target_clock,
+									 htotal,
+									 dsc_slice_count);
+	else
+		effective_dotclk_limit =
+			intel_max_uncompressed_dotclock(display) * num_joined_pipes;
+
+	return target_clock <= effective_dotclk_limit;
+}
+
 static enum drm_mode_status
 intel_dp_mode_valid(struct drm_connector *_connector,
 		    const struct drm_display_mode *mode)
@@ -1406,9 +1452,7 @@ intel_dp_mode_valid(struct drm_connector *_connector,
 	const struct drm_display_mode *fixed_mode;
 	int target_clock = mode->clock;
 	int max_rate, mode_rate, max_lanes, max_link_clock;
-	int max_dotclk = display->cdclk.max_dotclk_freq;
 	u16 dsc_max_compressed_bpp = 0;
-	u8 dsc_slice_count = 0;
 	enum drm_mode_status status;
 	bool dsc = false;
 	int num_joined_pipes;
@@ -1424,6 +1468,9 @@ intel_dp_mode_valid(struct drm_connector *_connector,
 	if (mode->clock < 10000)
 		return MODE_CLOCK_LOW;
 
+	if (intel_dp_hdisplay_bad(display, mode->hdisplay))
+		return MODE_H_ILLEGAL;
+
 	fixed_mode = intel_panel_fixed_mode(connector, mode);
 	if (intel_dp_is_edp(intel_dp) && fixed_mode) {
 		status = intel_panel_mode_valid(connector, mode);
@@ -1433,23 +1480,9 @@ intel_dp_mode_valid(struct drm_connector *_connector,
 		target_clock = fixed_mode->clock;
 	}
 
-	num_joined_pipes = intel_dp_num_joined_pipes(intel_dp, connector,
-						     mode->hdisplay, target_clock);
-	max_dotclk *= num_joined_pipes;
-
 	sink_format = intel_dp_sink_format(connector, mode);
 	output_format = intel_dp_output_format(connector, sink_format);
 
-	status = intel_pfit_mode_valid(display, mode, output_format, num_joined_pipes);
-	if (status != MODE_OK)
-		return status;
-
-	if (target_clock > max_dotclk)
-		return MODE_CLOCK_HIGH;
-
-	if (intel_dp_hdisplay_bad(display, mode->hdisplay))
-		return MODE_H_ILLEGAL;
-
 	max_link_clock = intel_dp_max_link_rate(intel_dp);
 	max_lanes = intel_dp_max_lane_count(intel_dp);
 
@@ -1460,52 +1493,92 @@ intel_dp_mode_valid(struct drm_connector *_connector,
 					   target_clock, mode->hdisplay,
 					   link_bpp_x16, 0);
 
-	if (intel_dp_has_dsc(connector)) {
-		int pipe_bpp;
+	/*
+	 * We cannot determine the required pipe‑join count before knowing whether
+	 * DSC is needed, nor can we determine DSC need without knowing the pipe
+	 * count.
+	 * Because of this dependency cycle, the only correct approach is to iterate
+	 * over candidate pipe counts and evaluate each combination.
+	 */
+	status = MODE_CLOCK_HIGH;
+	for_each_joiner_candidate(connector, mode, num_joined_pipes) {
+		int dsc_slice_count = 0;
 
-		/*
-		 * TBD pass the connector BPC,
-		 * for now U8_MAX so that max BPC on that platform would be picked
-		 */
-		pipe_bpp = intel_dp_dsc_compute_max_bpp(connector, U8_MAX);
+		status = intel_pfit_mode_valid(display, mode, output_format, num_joined_pipes);
+		if (status != MODE_OK)
+			continue;
 
-		/*
-		 * Output bpp is stored in 6.4 format so right shift by 4 to get the
-		 * integer value since we support only integer values of bpp.
-		 */
-		if (intel_dp_is_edp(intel_dp)) {
-			dsc_max_compressed_bpp =
-				drm_edp_dsc_sink_output_bpp(connector->dp.dsc_dpcd) >> 4;
-			dsc_slice_count =
-				drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd,
-								true);
-			dsc = dsc_max_compressed_bpp && dsc_slice_count;
-		} else if (drm_dp_sink_supports_fec(connector->dp.fec_capability)) {
-			unsigned long bw_overhead_flags = 0;
+		if (intel_dp_has_dsc(connector)) {
+			int pipe_bpp;
 
-			if (!drm_dp_is_uhbr_rate(max_link_clock))
-				bw_overhead_flags |= DRM_DP_BW_OVERHEAD_FEC;
+			dsc_slice_count = intel_dp_dsc_get_slice_count(connector,
+								       target_clock,
+								       mode->hdisplay,
+								       num_joined_pipes);
 
-			dsc = intel_dp_mode_valid_with_dsc(connector,
-							   max_link_clock, max_lanes,
-							   target_clock, mode->hdisplay,
-							   num_joined_pipes,
-							   output_format, pipe_bpp,
-							   bw_overhead_flags);
+			/*
+			 * TBD pass the connector BPC,
+			 * for now U8_MAX so that max BPC on that platform would be picked
+			 */
+			pipe_bpp = intel_dp_dsc_compute_max_bpp(connector, U8_MAX);
+
+			/*
+			 * Output bpp is stored in 6.4 format so right shift by 4 to get the
+			 * integer value since we support only integer values of bpp.
+			 */
+			if (intel_dp_is_edp(intel_dp)) {
+				dsc_max_compressed_bpp =
+					drm_edp_dsc_sink_output_bpp(connector->dp.dsc_dpcd) >> 4;
+
+				dsc = dsc_max_compressed_bpp && dsc_slice_count;
+			} else if (drm_dp_sink_supports_fec(connector->dp.fec_capability)) {
+				unsigned long bw_overhead_flags = 0;
+
+				if (!drm_dp_is_uhbr_rate(max_link_clock))
+					bw_overhead_flags |= DRM_DP_BW_OVERHEAD_FEC;
+
+				dsc = intel_dp_mode_valid_with_dsc(connector,
+								   max_link_clock, max_lanes,
+								   target_clock, mode->hdisplay,
+								   num_joined_pipes,
+								   output_format, pipe_bpp,
+								   bw_overhead_flags);
+			}
 		}
+
+		if (intel_dp_joiner_needs_dsc(display, num_joined_pipes) && !dsc) {
+			status = MODE_CLOCK_HIGH;
+			continue;
+		}
+
+		if (mode_rate > max_rate && !dsc) {
+			status = MODE_CLOCK_HIGH;
+			continue;
+		}
+
+		status = intel_mode_valid_max_plane_size(display, mode, num_joined_pipes);
+		if (status != MODE_OK)
+			continue;
+
+		if (!dsc)
+			dsc_slice_count = 0;
+
+		if (!intel_dp_dotclk_valid(display,
+					   target_clock,
+					   mode->htotal,
+					   dsc_slice_count,
+					   num_joined_pipes)) {
+			status = MODE_CLOCK_HIGH;
+			continue;
+		}
+
+		break;
 	}
 
-	if (intel_dp_joiner_needs_dsc(display, num_joined_pipes) && !dsc)
-		return MODE_CLOCK_HIGH;
-
-	if (mode_rate > max_rate && !dsc)
-		return MODE_CLOCK_HIGH;
-
-	status = intel_dp_mode_valid_downstream(connector, mode, target_clock);
 	if (status != MODE_OK)
 		return status;
 
-	return intel_mode_valid_max_plane_size(display, mode, num_joined_pipes);
+	return intel_dp_mode_valid_downstream(connector, mode, target_clock);
 }
 
 bool intel_dp_source_supports_tps3(struct intel_display *display)
@@ -1696,7 +1769,7 @@ static int intel_dp_max_bpp(struct intel_dp *intel_dp,
 	struct intel_connector *connector = intel_dp->attached_connector;
 	int bpp, bpc;
 
-	bpc = crtc_state->pipe_bpp / 3;
+	bpc = crtc_state->max_pipe_bpp / 3;
 
 	if (intel_dp->dfp.max_bpc)
 		bpc = min_t(int, bpc, intel_dp->dfp.max_bpc);
@@ -2032,12 +2105,14 @@ static int dsc_compute_link_config(struct intel_dp *intel_dp,
 			} else {
 				unsigned long bw_overhead_flags =
 					pipe_config->fec_enable ? DRM_DP_BW_OVERHEAD_FEC : 0;
+				int line_slice_count =
+					intel_dsc_line_slice_count(&pipe_config->dsc.slice_config);
 
 				if (!is_bw_sufficient_for_dsc_config(intel_dp,
 								     link_rate, lane_count,
 								     adjusted_mode->crtc_clock,
 								     adjusted_mode->hdisplay,
-								     pipe_config->dsc.slice_count,
+								     line_slice_count,
 								     dsc_bpp_x16,
 								     bw_overhead_flags))
 					continue;
@@ -2344,6 +2419,17 @@ bool intel_dp_needs_8b10b_fec(const struct intel_crtc_state *crtc_state,
 	return dsc_enabled_on_crtc || intel_dsc_enabled_on_link(crtc_state);
 }
 
+void intel_dp_dsc_reset_config(struct intel_crtc_state *crtc_state)
+{
+	crtc_state->fec_enable = false;
+
+	crtc_state->dsc.compression_enable = false;
+	crtc_state->dsc.compressed_bpp_x16 = 0;
+
+	memset(&crtc_state->dsc.slice_config, 0, sizeof(crtc_state->dsc.slice_config));
+	memset(&crtc_state->dsc.config, 0, sizeof(crtc_state->dsc.config));
+}
+
 int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
 				struct intel_crtc_state *pipe_config,
 				struct drm_connector_state *conn_state,
@@ -2382,47 +2468,10 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
 		}
 	}
 
-	/* Calculate Slice count */
-	if (intel_dp_is_edp(intel_dp)) {
-		pipe_config->dsc.slice_count =
-			drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd,
-							true);
-		if (!pipe_config->dsc.slice_count) {
-			drm_dbg_kms(display->drm,
-				    "Unsupported Slice Count %d\n",
-				    pipe_config->dsc.slice_count);
-			return -EINVAL;
-		}
-	} else {
-		u8 dsc_dp_slice_count;
-
-		dsc_dp_slice_count =
-			intel_dp_dsc_get_slice_count(connector,
-						     adjusted_mode->crtc_clock,
-						     adjusted_mode->crtc_hdisplay,
-						     num_joined_pipes);
-		if (!dsc_dp_slice_count) {
-			drm_dbg_kms(display->drm,
-				    "Compressed Slice Count not supported\n");
-			return -EINVAL;
-		}
-
-		pipe_config->dsc.slice_count = dsc_dp_slice_count;
-	}
-	/*
-	 * VDSC engine operates at 1 Pixel per clock, so if peak pixel rate
-	 * is greater than the maximum Cdclock and if slice count is even
-	 * then we need to use 2 VDSC instances.
-	 * In case of Ultrajoiner along with 12 slices we need to use 3
-	 * VDSC instances.
-	 */
-	if (pipe_config->joiner_pipes && num_joined_pipes == 4 &&
-	    pipe_config->dsc.slice_count == 12)
-		pipe_config->dsc.num_streams = 3;
-	else if (pipe_config->joiner_pipes || pipe_config->dsc.slice_count > 1)
-		pipe_config->dsc.num_streams = 2;
-	else
-		pipe_config->dsc.num_streams = 1;
+	if (!intel_dp_dsc_get_slice_config(connector, adjusted_mode->crtc_clock,
+					   adjusted_mode->crtc_hdisplay, num_joined_pipes,
+					   &pipe_config->dsc.slice_config))
+		return -EINVAL;
 
 	ret = intel_dp_dsc_compute_params(connector, pipe_config);
 	if (ret < 0) {
@@ -2440,7 +2489,7 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
 		    "Compressed Bpp = " FXP_Q4_FMT " Slice Count = %d\n",
 		    pipe_config->pipe_bpp,
 		    FXP_Q4_ARGS(pipe_config->dsc.compressed_bpp_x16),
-		    pipe_config->dsc.slice_count);
+		    intel_dsc_line_slice_count(&pipe_config->dsc.slice_config));
 
 	return 0;
 }
@@ -2476,8 +2525,8 @@ dsc_throughput_quirk_max_bpp_x16(const struct intel_connector *connector,
 	return fxp_q4_from_int(12);
 }
 
-static int compute_min_compressed_bpp_x16(struct intel_connector *connector,
-					  enum intel_output_format output_format)
+int intel_dp_compute_min_compressed_bpp_x16(struct intel_connector *connector,
+					    enum intel_output_format output_format)
 {
 	int dsc_src_min_bpp, dsc_sink_min_bpp, dsc_min_bpp;
 	int min_bpp_x16;
@@ -2543,7 +2592,8 @@ bool intel_dp_mode_valid_with_dsc(struct intel_connector *connector,
 				  int pipe_bpp, unsigned long bw_overhead_flags)
 {
 	struct intel_dp *intel_dp = intel_attached_dp(connector);
-	int min_bpp_x16 = compute_min_compressed_bpp_x16(connector, output_format);
+	int min_bpp_x16 = intel_dp_compute_min_compressed_bpp_x16(connector,
+								  output_format);
 	int max_bpp_x16 = compute_max_compressed_bpp_x16(connector,
 							 mode_clock, mode_hdisplay,
 							 num_joined_pipes,
@@ -2597,7 +2647,8 @@ intel_dp_compute_config_link_bpp_limits(struct intel_connector *connector,
 		limits->link.min_bpp_x16 = fxp_q4_from_int(limits->pipe.min_bpp);
 	} else {
 		limits->link.min_bpp_x16 =
-			compute_min_compressed_bpp_x16(connector, crtc_state->output_format);
+			intel_dp_compute_min_compressed_bpp_x16(connector,
+								crtc_state->output_format);
 
 		max_link_bpp_x16 =
 			compute_max_compressed_bpp_x16(connector,
@@ -2691,7 +2742,7 @@ intel_dp_compute_config_limits(struct intel_dp *intel_dp,
 		 * previously. This hack should be removed once we have the
 		 * proper retry logic in place.
 		 */
-		limits->pipe.max_bpp = min(crtc_state->pipe_bpp, 24);
+		limits->pipe.max_bpp = min(crtc_state->max_pipe_bpp, 24);
 	} else {
 		limits->pipe.max_bpp = intel_dp_max_bpp(intel_dp, crtc_state,
 							respect_downstream_limits);
@@ -2710,9 +2761,39 @@ intel_dp_compute_config_limits(struct intel_dp *intel_dp,
 								     crtc_state)));
 	}
 
+	if (limits->pipe.min_bpp <= 0 ||
+	    limits->pipe.min_bpp > limits->pipe.max_bpp) {
+		drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s] Invalid pipe bpp range: %d-%d\n",
+			    connector->base.base.id, connector->base.name,
+			    limits->pipe.min_bpp, limits->pipe.max_bpp);
+
+		return false;
+	}
+
 	if (dsc && !intel_dp_dsc_compute_pipe_bpp_limits(connector, limits))
 		return false;
 
+	/*
+	 * crtc_state->pipe_bpp is the non-DP specific baseline (platform /
+	 * EDID) maximum pipe BPP limited by the max-BPC connector property
+	 * request. Since by now pipe.max_bpp is <= the above baseline
+	 * maximum BPP, the only remaining reason for adjusting pipe.max_bpp
+	 * is the max-BPC connector property request. Adjust pipe.max_bpp to
+	 * this request within the current valid pipe.min_bpp .. pipe.max_bpp
+	 * range.
+	 */
+	limits->pipe.max_bpp = clamp(crtc_state->pipe_bpp, limits->pipe.min_bpp,
+				     limits->pipe.max_bpp);
+	if (dsc)
+		limits->pipe.max_bpp = align_max_sink_dsc_input_bpp(connector,
+								    limits->pipe.max_bpp);
+
+	if (limits->pipe.max_bpp != crtc_state->pipe_bpp)
+		drm_dbg_kms(display->drm,
+			    "[CONNECTOR:%d:%s] Adjusting requested max pipe bpp %d -> %d\n",
+			    connector->base.base.id, connector->base.name,
+			    crtc_state->pipe_bpp, limits->pipe.max_bpp);
+
 	if (is_mst || intel_dp->use_max_params) {
 		/*
 		 * For MST we always configure max link bw - the spec doesn't
@@ -2764,13 +2845,13 @@ bool intel_dp_joiner_needs_dsc(struct intel_display *display,
 }
 
 static int
-intel_dp_compute_link_config(struct intel_encoder *encoder,
-			     struct intel_crtc_state *pipe_config,
-			     struct drm_connector_state *conn_state,
-			     bool respect_downstream_limits)
+intel_dp_compute_link_for_joined_pipes(struct intel_encoder *encoder,
+				       struct intel_crtc_state *pipe_config,
+				       struct drm_connector_state *conn_state,
+				       bool respect_downstream_limits)
 {
 	struct intel_display *display = to_intel_display(encoder);
-	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
+	int num_joined_pipes = intel_crtc_num_joined_pipes(pipe_config);
 	struct intel_connector *connector =
 		to_intel_connector(conn_state->connector);
 	const struct drm_display_mode *adjusted_mode =
@@ -2778,18 +2859,9 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct link_config_limits limits;
 	bool dsc_needed, joiner_needs_dsc;
-	int num_joined_pipes;
 	int ret = 0;
 
-	if (pipe_config->fec_enable &&
-	    !intel_dp_supports_fec(intel_dp, connector, pipe_config))
-		return -EINVAL;
-
-	num_joined_pipes = intel_dp_num_joined_pipes(intel_dp, connector,
-						     adjusted_mode->crtc_hdisplay,
-						     adjusted_mode->crtc_clock);
-	if (num_joined_pipes > 1)
-		pipe_config->joiner_pipes = GENMASK(crtc->pipe + num_joined_pipes - 1, crtc->pipe);
+	intel_dp_dsc_reset_config(pipe_config);
 
 	joiner_needs_dsc = intel_dp_joiner_needs_dsc(display, num_joined_pipes);
 
@@ -2813,7 +2885,13 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
 							     fxp_q4_from_int(pipe_config->pipe_bpp),
 							     fxp_q4_from_int(pipe_config->pipe_bpp),
 							     0, false);
-		if (ret)
+
+		if (ret ||
+		    !intel_dp_dotclk_valid(display,
+					   adjusted_mode->crtc_clock,
+					   adjusted_mode->crtc_htotal,
+					   0,
+					   num_joined_pipes))
 			dsc_needed = true;
 	}
 
@@ -2823,6 +2901,8 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
 	}
 
 	if (dsc_needed) {
+		int dsc_slice_count;
+
 		drm_dbg_kms(display->drm,
 			    "Try DSC (fallback=%s, joiner=%s, force=%s)\n",
 			    str_yes_no(ret), str_yes_no(joiner_needs_dsc),
@@ -2838,6 +2918,15 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
 						  conn_state, &limits, 64);
 		if (ret < 0)
 			return ret;
+
+		dsc_slice_count = intel_dsc_line_slice_count(&pipe_config->dsc.slice_config);
+
+		if (!intel_dp_dotclk_valid(display,
+					   adjusted_mode->crtc_clock,
+					   adjusted_mode->crtc_htotal,
+					   dsc_slice_count,
+					   num_joined_pipes))
+			return -EINVAL;
 	}
 
 	drm_dbg_kms(display->drm,
@@ -2854,6 +2943,55 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
 	return 0;
 }
 
+static int
+intel_dp_compute_link_config(struct intel_encoder *encoder,
+			     struct intel_crtc_state *crtc_state,
+			     struct drm_connector_state *conn_state,
+			     bool respect_downstream_limits)
+{
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	struct intel_connector *connector =
+		to_intel_connector(conn_state->connector);
+	const struct drm_display_mode *adjusted_mode =
+		&crtc_state->hw.adjusted_mode;
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+	int num_joined_pipes;
+	int ret = -EINVAL;
+
+	if (crtc_state->fec_enable &&
+	    !intel_dp_supports_fec(intel_dp, connector, crtc_state))
+		return -EINVAL;
+
+	for_each_joiner_candidate(connector, adjusted_mode, num_joined_pipes) {
+		/*
+		 * NOTE:
+		 * The crtc_state->joiner_pipes should have been set at the end
+		 * only if all the conditions are met. However that would mean
+		 * that num_joined_pipes is passed around to all helpers and
+		 * make them use it instead of using crtc_state->joiner_pipes
+		 * directly or indirectly (via intel_crtc_num_joined_pipes()).
+		 *
+		 * For now, setting crtc_state->joiner_pipes to the candidate
+		 * value to avoid the above churn and resetting it to 0, in case
+		 * no joiner candidate is found to be suitable for the given
+		 * configuration.
+		 */
+		if (num_joined_pipes > 1)
+			crtc_state->joiner_pipes = GENMASK(crtc->pipe + num_joined_pipes - 1,
+							   crtc->pipe);
+
+		ret = intel_dp_compute_link_for_joined_pipes(encoder, crtc_state, conn_state,
+							     respect_downstream_limits);
+		if (ret == 0 || ret == -EDEADLK)
+			break;
+	}
+
+	if (ret < 0)
+		crtc_state->joiner_pipes = 0;
+
+	return ret;
+}
+
 bool intel_dp_limited_color_range(const struct intel_crtc_state *crtc_state,
 				  const struct drm_connector_state *conn_state)
 {
@@ -4293,20 +4431,24 @@ static bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp)
 	return dprx & DP_VSC_SDP_EXT_FOR_COLORIMETRY_SUPPORTED;
 }
 
-static void intel_dp_read_dsc_dpcd(struct drm_dp_aux *aux,
-				   u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
+static int intel_dp_read_dsc_dpcd(struct drm_dp_aux *aux,
+				  u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
 {
-	if (drm_dp_dpcd_read(aux, DP_DSC_SUPPORT, dsc_dpcd,
-			     DP_DSC_RECEIVER_CAP_SIZE) < 0) {
-		drm_err(aux->drm_dev,
-			"Failed to read DPCD register 0x%x\n",
-			DP_DSC_SUPPORT);
-		return;
+	int ret;
+
+	ret = drm_dp_dpcd_read_data(aux, DP_DSC_SUPPORT, dsc_dpcd,
+				    DP_DSC_RECEIVER_CAP_SIZE);
+	if (ret) {
+		drm_dbg_kms(aux->drm_dev,
+			    "Could not read DSC DPCD register 0x%x Error: %pe\n",
+			    DP_DSC_SUPPORT, ERR_PTR(ret));
+		return ret;
 	}
 
 	drm_dbg_kms(aux->drm_dev, "DSC DPCD: %*ph\n",
 		    DP_DSC_RECEIVER_CAP_SIZE,
 		    dsc_dpcd);
+	return 0;
 }
 
 static void init_dsc_overall_throughput_limits(struct intel_connector *connector, bool is_branch)
@@ -4357,8 +4499,9 @@ void intel_dp_get_dsc_sink_cap(u8 dpcd_rev,
 	if (dpcd_rev < DP_DPCD_REV_14)
 		return;
 
-	intel_dp_read_dsc_dpcd(connector->dp.dsc_decompression_aux,
-			       connector->dp.dsc_dpcd);
+	if (intel_dp_read_dsc_dpcd(connector->dp.dsc_decompression_aux,
+				   connector->dp.dsc_dpcd) < 0)
+		return;
 
 	if (drm_dp_dpcd_readb(connector->dp.dsc_decompression_aux, DP_FEC_CAPABILITY,
 			      &connector->dp.fec_capability) < 0) {
@@ -4388,7 +4531,9 @@ static void intel_edp_get_dsc_sink_cap(u8 edp_dpcd_rev, struct intel_connector *
 	if (edp_dpcd_rev < DP_EDP_14)
 		return;
 
-	intel_dp_read_dsc_dpcd(connector->dp.dsc_decompression_aux, connector->dp.dsc_dpcd);
+	if (intel_dp_read_dsc_dpcd(connector->dp.dsc_decompression_aux,
+				   connector->dp.dsc_dpcd) < 0)
+		return;
 
 	if (connector->dp.dsc_dpcd[0] & DP_DSC_DECOMPRESSION_IS_SUPPORTED)
 		init_dsc_overall_throughput_limits(connector, false);
@@ -4577,6 +4722,7 @@ static bool
 intel_edp_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *connector)
 {
 	struct intel_display *display = to_intel_display(intel_dp);
+	int ret;
 
 	/* this function is meant to be called only once */
 	drm_WARN_ON(display->drm, intel_dp->dpcd[DP_DPCD_REV] != 0);
@@ -4616,6 +4762,12 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *connector
 	 */
 	intel_dp_init_source_oui(intel_dp);
 
+	/* Read the ALPM DPCD caps */
+	ret = drm_dp_dpcd_read_byte(&intel_dp->aux, DP_RECEIVER_ALPM_CAP,
+				    &intel_dp->alpm_dpcd);
+	if (ret < 0)
+		return false;
+
 	/*
 	 * This has to be called after intel_dp->edp_dpcd is filled, PSR checks
 	 * for SET_POWER_CAPABLE bit in intel_dp->edp_dpcd[1]
@@ -4784,6 +4936,24 @@ intel_dp_mst_disconnect(struct intel_dp *intel_dp)
 	drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst.mgr, intel_dp->is_mst);
 }
 
+#define INTEL_DP_DEVICE_SERVICE_IRQ_MASK_SST	(DP_AUTOMATED_TEST_REQUEST | \
+						 DP_CP_IRQ | \
+						 DP_SINK_SPECIFIC_IRQ)
+
+#define INTEL_DP_DEVICE_SERVICE_IRQ_MASK_MST	(DP_CP_IRQ | \
+						 DP_DOWN_REP_MSG_RDY | \
+						 DP_UP_REQ_MSG_RDY)
+
+#define INTEL_DP_LINK_SERVICE_IRQ_MASK_SST	(RX_CAP_CHANGED | \
+						 LINK_STATUS_CHANGED | \
+						 HDMI_LINK_STATUS_CHANGED | \
+						 CONNECTED_OFF_ENTRY_REQUESTED | \
+						 DP_TUNNELING_IRQ)
+
+#define INTEL_DP_LINK_SERVICE_IRQ_MASK_MST	(RX_CAP_CHANGED | \
+						 LINK_STATUS_CHANGED | \
+						 DP_TUNNELING_IRQ)
+
 static bool
 intel_dp_get_sink_irq_esi(struct intel_dp *intel_dp, u8 *esi)
 {
@@ -4820,6 +4990,79 @@ static bool intel_dp_ack_sink_irq_esi(struct intel_dp *intel_dp, u8 esi[4])
 	return false;
 }
 
+/* Return %true if reading the ESI vector succeeded, %false otherwise. */
+static bool intel_dp_get_sink_irq_esi_sst(struct intel_dp *intel_dp, u8 esi[4])
+{
+	memset(esi, 0, 4);
+
+	/*
+	 * TODO: For DP_DPCD_REV >= 0x12 read
+	 * DP_SINK_COUNT_ESI and DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0.
+	 */
+	if (drm_dp_dpcd_read_data(&intel_dp->aux, DP_SINK_COUNT, esi, 2) != 0)
+		return false;
+
+	if (intel_dp->dpcd[DP_DPCD_REV] < DP_DPCD_REV_12)
+		return true;
+
+	/* TODO: Read DP_DEVICE_SERVICE_IRQ_VECTOR_ESI1 as well */
+	if (drm_dp_dpcd_read_byte(&intel_dp->aux, DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &esi[3]) != 0)
+		return false;
+
+	return true;
+}
+
+/* Return %true if acking the ESI vector IRQ events succeeded, %false otherwise. */
+static bool intel_dp_ack_sink_irq_esi_sst(struct intel_dp *intel_dp, u8 esi[4])
+{
+	/*
+	 * TODO: For DP_DPCD_REV >= 0x12 write
+	 * DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0
+	 */
+	if (drm_dp_dpcd_write_byte(&intel_dp->aux, DP_DEVICE_SERVICE_IRQ_VECTOR, esi[1]) != 0)
+		return false;
+
+	if (intel_dp->dpcd[DP_DPCD_REV] < DP_DPCD_REV_12)
+		return true;
+
+	/* TODO: Read DP_DEVICE_SERVICE_IRQ_VECTOR_ESI1 as well */
+	if (drm_dp_dpcd_write_byte(&intel_dp->aux, DP_LINK_SERVICE_IRQ_VECTOR_ESI0, esi[3]) != 0)
+		return false;
+
+	return true;
+}
+
+/*
+ * Return %true if reading the ESI vector and acking the ESI IRQ events succeeded,
+ * %false otherwise.
+ */
+static bool intel_dp_get_and_ack_sink_irq_esi_sst(struct intel_dp *intel_dp, u8 esi[4])
+{
+	struct intel_display *display = to_intel_display(intel_dp);
+	struct intel_connector *connector = intel_dp->attached_connector;
+	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+
+	if (!intel_dp_get_sink_irq_esi_sst(intel_dp, esi))
+		return false;
+
+	drm_dbg_kms(display->drm,
+		    "[CONNECTOR:%d:%s][ENCODER:%d:%s] DPRX ESI: %4ph\n",
+		    connector->base.base.id, connector->base.name,
+		    encoder->base.base.id, encoder->base.name,
+		    esi);
+
+	esi[1] &= INTEL_DP_DEVICE_SERVICE_IRQ_MASK_SST;
+	esi[3] &= INTEL_DP_LINK_SERVICE_IRQ_MASK_SST;
+
+	if (mem_is_zero(&esi[1], 3))
+		return true;
+
+	if (!intel_dp_ack_sink_irq_esi_sst(intel_dp, esi))
+		return false;
+
+	return true;
+}
+
 bool
 intel_dp_needs_vsc_sdp(const struct intel_crtc_state *crtc_state,
 		       const struct drm_connector_state *conn_state)
@@ -5312,23 +5555,7 @@ intel_dp_mst_hpd_irq(struct intel_dp *intel_dp, u8 *esi, u8 *ack)
 	}
 }
 
-static bool intel_dp_mst_link_status(struct intel_dp *intel_dp)
-{
-	struct intel_display *display = to_intel_display(intel_dp);
-	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
-	u8 link_status[DP_LINK_STATUS_SIZE] = {};
-	const size_t esi_link_status_size = DP_LINK_STATUS_SIZE - 2;
-
-	if (drm_dp_dpcd_read(&intel_dp->aux, DP_LANE0_1_STATUS_ESI, link_status,
-			     esi_link_status_size) != esi_link_status_size) {
-		drm_err(display->drm,
-			"[ENCODER:%d:%s] Failed to read link status\n",
-			encoder->base.base.id, encoder->base.name);
-		return false;
-	}
-
-	return intel_dp_link_ok(intel_dp, link_status);
-}
+static bool intel_dp_handle_link_service_irq(struct intel_dp *intel_dp, u8 irq_mask);
 
 /**
  * intel_dp_check_mst_status - service any pending MST interrupts, check link status
@@ -5348,53 +5575,51 @@ static bool
 intel_dp_check_mst_status(struct intel_dp *intel_dp)
 {
 	struct intel_display *display = to_intel_display(intel_dp);
-	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
-	struct intel_encoder *encoder = &dig_port->base;
-	bool link_ok = true;
+	bool force_retrain = intel_dp->link.force_retrain;
 	bool reprobe_needed = false;
 
 	for (;;) {
 		u8 esi[4] = {};
 		u8 ack[4] = {};
+		bool new_irqs;
 
 		if (!intel_dp_get_sink_irq_esi(intel_dp, esi)) {
 			drm_dbg_kms(display->drm,
 				    "failed to get ESI - device may have failed\n");
-			link_ok = false;
+			reprobe_needed = true;
 
 			break;
 		}
 
 		drm_dbg_kms(display->drm, "DPRX ESI: %4ph\n", esi);
 
-		if (intel_dp_mst_active_streams(intel_dp) > 0 && link_ok &&
-		    esi[3] & LINK_STATUS_CHANGED) {
-			if (!intel_dp_mst_link_status(intel_dp))
-				link_ok = false;
-			ack[3] |= LINK_STATUS_CHANGED;
-		}
+		ack[3] |= esi[3] & INTEL_DP_LINK_SERVICE_IRQ_MASK_MST;
 
 		intel_dp_mst_hpd_irq(intel_dp, esi, ack);
 
-		if (esi[3] & DP_TUNNELING_IRQ) {
-			if (drm_dp_tunnel_handle_irq(display->dp_tunnel_mgr,
-						     &intel_dp->aux))
-				reprobe_needed = true;
-			ack[3] |= DP_TUNNELING_IRQ;
-		}
+		new_irqs = !mem_is_zero(ack, sizeof(ack));
 
-		if (mem_is_zero(ack, sizeof(ack)))
-			break;
+		drm_WARN_ON(display->drm, ack[1] & ~INTEL_DP_DEVICE_SERVICE_IRQ_MASK_MST);
+		drm_WARN_ON(display->drm, ack[3] & ~INTEL_DP_LINK_SERVICE_IRQ_MASK_MST);
 
-		if (!intel_dp_ack_sink_irq_esi(intel_dp, ack))
+		if (new_irqs && !intel_dp_ack_sink_irq_esi(intel_dp, ack))
 			drm_dbg_kms(display->drm, "Failed to ack ESI\n");
 
 		if (ack[1] & (DP_DOWN_REP_MSG_RDY | DP_UP_REQ_MSG_RDY))
 			drm_dp_mst_hpd_irq_send_new_request(&intel_dp->mst.mgr);
-	}
 
-	if (!link_ok || intel_dp->link.force_retrain)
-		intel_encoder_link_check_queue_work(encoder, 0);
+		if (force_retrain) {
+			/* Defer forced retraining to the regular link status check. */
+			ack[3] |= LINK_STATUS_CHANGED;
+			force_retrain = false;
+		}
+
+		if (intel_dp_handle_link_service_irq(intel_dp, ack[3]))
+			reprobe_needed = true;
+
+		if (!new_irqs)
+			break;
+	}
 
 	return !reprobe_needed;
 }
@@ -5423,6 +5648,30 @@ intel_dp_handle_hdmi_link_status_change(struct intel_dp *intel_dp)
 	}
 }
 
+static int
+intel_dp_read_link_status(struct intel_dp *intel_dp, u8 link_status[DP_LINK_STATUS_SIZE])
+{
+	int err;
+
+	memset(link_status, 0, DP_LINK_STATUS_SIZE);
+
+	if (intel_dp_mst_active_streams(intel_dp) > 0)
+		err = drm_dp_dpcd_read_data(&intel_dp->aux, DP_LANE0_1_STATUS_ESI,
+					    link_status, DP_LINK_STATUS_SIZE - 2);
+	else
+		err = drm_dp_dpcd_read_phy_link_status(&intel_dp->aux, DP_PHY_DPRX,
+						       link_status);
+
+	if (err)
+		return err;
+
+	if (link_status[DP_LANE_ALIGN_STATUS_UPDATED - DP_LANE0_1_STATUS] &
+	    DP_DOWNSTREAM_PORT_STATUS_CHANGED)
+		WRITE_ONCE(intel_dp->downstream_port_changed, true);
+
+	return 0;
+}
+
 static bool
 intel_dp_needs_link_retrain(struct intel_dp *intel_dp)
 {
@@ -5445,8 +5694,7 @@ intel_dp_needs_link_retrain(struct intel_dp *intel_dp)
 	if (intel_dp->link.force_retrain)
 		return true;
 
-	if (drm_dp_dpcd_read_phy_link_status(&intel_dp->aux, DP_PHY_DPRX,
-					     link_status) < 0)
+	if (intel_dp_read_link_status(intel_dp, link_status) < 0)
 		return false;
 
 	/*
@@ -5643,55 +5891,57 @@ void intel_dp_check_link_state(struct intel_dp *intel_dp)
 	intel_encoder_link_check_queue_work(encoder, 0);
 }
 
-static void intel_dp_check_device_service_irq(struct intel_dp *intel_dp)
+static void intel_dp_handle_device_service_irq(struct intel_dp *intel_dp, u8 irq_mask)
 {
 	struct intel_display *display = to_intel_display(intel_dp);
-	u8 val;
 
-	if (intel_dp->dpcd[DP_DPCD_REV] < 0x11)
-		return;
+	drm_WARN_ON(display->drm, irq_mask & ~INTEL_DP_DEVICE_SERVICE_IRQ_MASK_SST);
 
-	if (drm_dp_dpcd_readb(&intel_dp->aux,
-			      DP_DEVICE_SERVICE_IRQ_VECTOR, &val) != 1 || !val)
-		return;
-
-	drm_dp_dpcd_writeb(&intel_dp->aux, DP_DEVICE_SERVICE_IRQ_VECTOR, val);
-
-	if (val & DP_AUTOMATED_TEST_REQUEST)
+	if (irq_mask & DP_AUTOMATED_TEST_REQUEST)
 		intel_dp_test_request(intel_dp);
 
-	if (val & DP_CP_IRQ)
+	if (irq_mask & DP_CP_IRQ)
 		intel_hdcp_handle_cp_irq(intel_dp->attached_connector);
 
-	if (val & DP_SINK_SPECIFIC_IRQ)
+	if (irq_mask & DP_SINK_SPECIFIC_IRQ)
 		drm_dbg_kms(display->drm, "Sink specific irq unhandled\n");
 }
 
-static bool intel_dp_check_link_service_irq(struct intel_dp *intel_dp)
+
+/*
+ * Return %true if a full connector reprobe is required after handling a link
+ * service IRQ event.
+ */
+static bool intel_dp_handle_link_service_irq(struct intel_dp *intel_dp, u8 irq_mask)
 {
 	struct intel_display *display = to_intel_display(intel_dp);
+	struct intel_connector *connector = intel_dp->attached_connector;
+	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
 	bool reprobe_needed = false;
-	u8 val;
 
-	if (intel_dp->dpcd[DP_DPCD_REV] < 0x11)
-		return false;
+	drm_WARN_ON(display->drm, irq_mask & ~(INTEL_DP_LINK_SERVICE_IRQ_MASK_SST |
+					       INTEL_DP_LINK_SERVICE_IRQ_MASK_MST));
 
-	if (drm_dp_dpcd_readb(&intel_dp->aux,
-			      DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val)
-		return false;
+	if (irq_mask & RX_CAP_CHANGED)
+		reprobe_needed = true;
 
-	if ((val & DP_TUNNELING_IRQ) &&
+	if (irq_mask & LINK_STATUS_CHANGED)
+		intel_dp_check_link_state(intel_dp);
+
+	if (irq_mask & HDMI_LINK_STATUS_CHANGED)
+		intel_dp_handle_hdmi_link_status_change(intel_dp);
+
+	if (irq_mask & CONNECTED_OFF_ENTRY_REQUESTED)
+		drm_dbg_kms(display->drm,
+			    "[CONNECTOR:%d:%s][ENCODER:%d:%s] Allowing connected off request\n",
+			    connector->base.base.id, connector->base.name,
+			    encoder->base.base.id, encoder->base.name);
+
+	if ((irq_mask & DP_TUNNELING_IRQ) &&
 	    drm_dp_tunnel_handle_irq(display->dp_tunnel_mgr,
 				     &intel_dp->aux))
 		reprobe_needed = true;
 
-	if (drm_dp_dpcd_writeb(&intel_dp->aux,
-			       DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1)
-		return reprobe_needed;
-
-	if (val & HDMI_LINK_STATUS_CHANGED)
-		intel_dp_handle_hdmi_link_status_change(intel_dp);
-
 	return reprobe_needed;
 }
 
@@ -5711,32 +5961,42 @@ static bool intel_dp_check_link_service_irq(struct intel_dp *intel_dp)
 static bool
 intel_dp_short_pulse(struct intel_dp *intel_dp)
 {
-	u8 old_sink_count = intel_dp->sink_count;
 	bool reprobe_needed = false;
-	bool ret;
+	u8 esi[4] = {};
 
 	intel_dp_test_reset(intel_dp);
 
-	/*
-	 * Now read the DPCD to see if it's actually running
-	 * If the current value of sink count doesn't match with
-	 * the value that was stored earlier or dpcd read failed
-	 * we need to do full detection
-	 */
-	ret = intel_dp_get_dpcd(intel_dp);
+	if (!intel_dp_get_and_ack_sink_irq_esi_sst(intel_dp, esi))
+		return false;
 
-	if ((old_sink_count != intel_dp->sink_count) || !ret) {
+	/*
+	 * If the current value of sink count doesn't match with
+	 * the value that was stored earlier we need to do full
+	 * detection.
+	 */
+	if (intel_dp_has_sink_count(intel_dp) &&
+	    DP_GET_SINK_COUNT(esi[0]) != intel_dp->sink_count)
 		/* No need to proceed if we are going to do full detect */
 		return false;
-	}
 
-	intel_dp_check_device_service_irq(intel_dp);
-	reprobe_needed = intel_dp_check_link_service_irq(intel_dp);
+	intel_dp_handle_device_service_irq(intel_dp, esi[1]);
+
+	/*
+	 * Force checking the link status for DPCD_REV < 1.2
+	 * TODO: let the link status check depend on LINK_STATUS_CHANGED
+	 * or intel_dp->link.force_retrain for DPCD_REV >= 1.2
+	 */
+	esi[3] |= LINK_STATUS_CHANGED;
+	if (intel_dp_handle_link_service_irq(intel_dp, esi[3]))
+		reprobe_needed = true;
 
 	/* Handle CEC interrupts, if any */
 	drm_dp_cec_irq(&intel_dp->aux);
 
-	intel_dp_check_link_state(intel_dp);
+	if (READ_ONCE(intel_dp->downstream_port_changed)) {
+		WRITE_ONCE(intel_dp->downstream_port_changed, false);
+		reprobe_needed = true;
+	}
 
 	intel_psr_short_pulse(intel_dp);
 
@@ -5763,6 +6023,8 @@ intel_dp_detect_dpcd(struct intel_dp *intel_dp)
 	if (drm_WARN_ON(display->drm, intel_dp_is_edp(intel_dp)))
 		return connector_status_connected;
 
+	WRITE_ONCE(intel_dp->downstream_port_changed, false);
+
 	intel_lspcon_resume(dig_port);
 
 	if (!intel_dp_get_dpcd(intel_dp))
@@ -6189,8 +6451,6 @@ intel_dp_detect(struct drm_connector *_connector,
 	if (intel_dp_is_edp(intel_dp) || connector->detect_edid)
 		status = connector_status_connected;
 
-	intel_dp_check_device_service_irq(intel_dp);
-
 out_unset_edid:
 	if (status != connector_status_connected && !intel_dp->is_mst)
 		intel_dp_unset_edid(intel_dp);
@@ -7086,6 +7346,8 @@ int intel_dp_compute_config_late(struct intel_encoder *encoder,
 	if (ret)
 		return ret;
 
+	intel_alpm_lobf_compute_config_late(intel_dp, crtc_state);
+
 	return 0;
 }
 
@@ -7134,3 +7396,22 @@ int intel_dp_sdp_min_guardband(const struct intel_crtc_state *crtc_state,
 
 	return sdp_guardband;
 }
+
+bool intel_dp_joiner_candidate_valid(struct intel_connector *connector,
+				     int hdisplay,
+				     int num_joined_pipes)
+{
+	struct intel_display *display = to_intel_display(connector);
+	struct intel_dp *intel_dp = intel_attached_dp(connector);
+
+	if (!intel_dp_can_join(intel_dp, num_joined_pipes))
+		return false;
+
+	if (hdisplay > num_joined_pipes * intel_dp_max_hdisplay_per_pipe(display))
+		return false;
+
+	if (connector->force_joined_pipes && connector->force_joined_pipes != num_joined_pipes)
+		return false;
+
+	return true;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index 25bfbfd291b0..2849b9ecdc71 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -75,6 +75,7 @@ int intel_dp_compute_config(struct intel_encoder *encoder,
 			    struct drm_connector_state *conn_state);
 bool intel_dp_needs_8b10b_fec(const struct intel_crtc_state *crtc_state,
 			      bool dsc_enabled_on_crtc);
+void intel_dp_dsc_reset_config(struct intel_crtc_state *crtc_state);
 int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
 				struct intel_crtc_state *pipe_config,
 				struct drm_connector_state *conn_state,
@@ -143,6 +144,8 @@ bool intel_digital_port_connected(struct intel_encoder *encoder);
 bool intel_digital_port_connected_locked(struct intel_encoder *encoder);
 int intel_dp_dsc_compute_max_bpp(const struct intel_connector *connector,
 				 u8 dsc_max_bpc);
+int intel_dp_compute_min_compressed_bpp_x16(struct intel_connector *connector,
+					    enum intel_output_format output_format);
 bool intel_dp_mode_valid_with_dsc(struct intel_connector *connector,
 				  int link_clock, int lane_count,
 				  int mode_clock, int mode_hdisplay,
@@ -153,10 +156,6 @@ bool intel_dp_dsc_valid_compressed_bpp(struct intel_dp *intel_dp, int bpp_x16);
 u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector,
 				int mode_clock, int mode_hdisplay,
 				int num_joined_pipes);
-int intel_dp_num_joined_pipes(struct intel_dp *intel_dp,
-			      struct intel_connector *connector,
-			      int hdisplay, int clock);
-
 static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
 {
 	return ~((1 << lane_count) - 1) & 0xf;
@@ -225,5 +224,18 @@ int intel_dp_compute_config_late(struct intel_encoder *encoder,
 				 struct drm_connector_state *conn_state);
 int intel_dp_sdp_min_guardband(const struct intel_crtc_state *crtc_state,
 			       bool assume_all_enabled);
+int intel_dp_max_hdisplay_per_pipe(struct intel_display *display);
+bool intel_dp_dotclk_valid(struct intel_display *display,
+			   int target_clock,
+			   int htotal,
+			   int dsc_slice_count,
+			   int num_joined_pipes);
+bool intel_dp_joiner_candidate_valid(struct intel_connector *connector,
+				     int hdisplay,
+				     int num_joined_pipes);
+
+#define for_each_joiner_candidate(__connector, __mode, __num_joined_pipes) \
+	for ((__num_joined_pipes) = 1; (__num_joined_pipes) <= (I915_MAX_PIPES); (__num_joined_pipes)++) \
+		for_each_if(intel_dp_joiner_candidate_valid(__connector, (__mode)->hdisplay, __num_joined_pipes))
 
 #endif /* __INTEL_DP_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
index eb05ef4bd9f6..a7b186d0e3c4 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
@@ -368,6 +368,16 @@ static const char *dpcd_vs_pwm_str(bool aux)
 	return aux ? "DPCD" : "PWM";
 }
 
+static const char *backlight_unit_str(struct intel_panel *panel)
+{
+	if (panel->backlight.edp.vesa.info.luminance_set)
+		return "NITS";
+	else if (panel->backlight.edp.vesa.info.aux_set)
+		return "Brightness %";
+	else
+		return "PWM";
+}
+
 static void
 intel_dp_aux_write_panel_luminance_override(struct intel_connector *connector)
 {
@@ -459,7 +469,7 @@ static u32 intel_dp_aux_vesa_get_backlight(struct intel_connector *connector, en
 		return val / 1000;
 	}
 
-	return connector->panel.backlight.level;
+	return panel->backlight.level;
 }
 
 static void
@@ -486,7 +496,8 @@ intel_dp_aux_vesa_enable_backlight(const struct intel_crtc_state *crtc_state,
 	struct intel_panel *panel = &connector->panel;
 	struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder);
 
-	if (!panel->backlight.edp.vesa.info.aux_enable) {
+	if (!(panel->backlight.edp.vesa.info.aux_enable ||
+	      panel->backlight.edp.vesa.info.luminance_set)) {
 		u32 pwm_level;
 
 		if (!panel->backlight.edp.vesa.info.aux_set)
@@ -510,7 +521,8 @@ static void intel_dp_aux_vesa_disable_backlight(const struct drm_connector_state
 
 	drm_edp_backlight_disable(&intel_dp->aux, &panel->backlight.edp.vesa.info);
 
-	if (!panel->backlight.edp.vesa.info.aux_enable)
+	if (!(panel->backlight.edp.vesa.info.aux_enable ||
+	      panel->backlight.edp.vesa.info.luminance_set))
 		panel->backlight.pwm_funcs->disable(old_conn_state,
 						    intel_backlight_invert_pwm_level(connector, 0));
 }
@@ -537,11 +549,14 @@ static int intel_dp_aux_vesa_setup_backlight(struct intel_connector *connector,
 	drm_dbg_kms(display->drm,
 		    "[CONNECTOR:%d:%s] AUX VESA backlight enable is controlled through %s\n",
 		    connector->base.base.id, connector->base.name,
-		    dpcd_vs_pwm_str(panel->backlight.edp.vesa.info.aux_enable));
+		    dpcd_vs_pwm_str(panel->backlight.edp.vesa.info.aux_enable ||
+				    panel->backlight.edp.vesa.info.luminance_set));
 	drm_dbg_kms(display->drm,
-		    "[CONNECTOR:%d:%s] AUX VESA backlight level is controlled through %s\n",
+		    "[CONNECTOR:%d:%s] AUX VESA backlight level is controlled through %s using %s values\n",
 		    connector->base.base.id, connector->base.name,
-		    dpcd_vs_pwm_str(panel->backlight.edp.vesa.info.aux_set));
+		    dpcd_vs_pwm_str(panel->backlight.edp.vesa.info.aux_set ||
+				    panel->backlight.edp.vesa.info.luminance_set),
+		    backlight_unit_str(panel));
 
 	if (!panel->backlight.edp.vesa.info.aux_set ||
 	    !panel->backlight.edp.vesa.info.aux_enable) {
@@ -564,9 +579,6 @@ static int intel_dp_aux_vesa_setup_backlight(struct intel_connector *connector,
 		}
 		panel->backlight.level = intel_dp_aux_vesa_get_backlight(connector, 0);
 		panel->backlight.enabled = panel->backlight.level != 0;
-		drm_dbg_kms(display->drm,
-			    "[CONNECTOR:%d:%s] AUX VESA Nits backlight level is controlled through DPCD\n",
-			    connector->base.base.id, connector->base.name);
 	} else if (panel->backlight.edp.vesa.info.aux_set) {
 		panel->backlight.max = panel->backlight.edp.vesa.info.max;
 		panel->backlight.min = 0;
@@ -644,9 +656,10 @@ int intel_dp_aux_init_backlight_funcs(struct intel_connector *connector)
 	struct intel_dp *intel_dp = intel_attached_dp(connector);
 	struct drm_device *dev = connector->base.dev;
 	struct intel_panel *panel = &connector->panel;
-	bool try_intel_interface = false, try_vesa_interface = false;
+	bool try_intel_interface = false;
 
-	/* Check the VBT and user's module parameters to figure out which
+	/*
+	 * Check the VBT and user's module parameters to figure out which
 	 * interfaces to probe
 	 */
 	switch (display->params.enable_dpcd_backlight) {
@@ -655,7 +668,6 @@ int intel_dp_aux_init_backlight_funcs(struct intel_connector *connector)
 	case INTEL_DP_AUX_BACKLIGHT_AUTO:
 		switch (panel->vbt.backlight.type) {
 		case INTEL_BACKLIGHT_VESA_EDP_AUX_INTERFACE:
-			try_vesa_interface = true;
 			break;
 		case INTEL_BACKLIGHT_DISPLAY_DDI:
 			try_intel_interface = true;
@@ -668,20 +680,12 @@ int intel_dp_aux_init_backlight_funcs(struct intel_connector *connector)
 		if (panel->vbt.backlight.type != INTEL_BACKLIGHT_VESA_EDP_AUX_INTERFACE)
 			try_intel_interface = true;
 
-		try_vesa_interface = true;
-		break;
-	case INTEL_DP_AUX_BACKLIGHT_FORCE_VESA:
-		try_vesa_interface = true;
 		break;
 	case INTEL_DP_AUX_BACKLIGHT_FORCE_INTEL:
 		try_intel_interface = true;
 		break;
 	}
 
-	/* For eDP 1.5 and above we are supposed to use VESA interface for brightness control */
-	if (intel_dp->edp_dpcd[0] >= DP_EDP_15)
-		try_vesa_interface = true;
-
 	/*
 	 * Since Intel has their own backlight control interface, the majority of machines out there
 	 * using DPCD backlight controls with Intel GPUs will be using this interface as opposed to
@@ -694,16 +698,19 @@ int intel_dp_aux_init_backlight_funcs(struct intel_connector *connector)
 	 * panel with Intel's OUI - which is also required for us to be able to detect Intel's
 	 * backlight interface at all. This means that the only sensible way for us to detect both
 	 * interfaces is to probe for Intel's first, and VESA's second.
+	 *
+	 * Also there is a chance some VBTs may advertise false Intel backlight support even if the
+	 * TCON DPCD says otherwise. This means we keep VESA interface as fallback in that case.
 	 */
-	if (try_intel_interface && intel_dp_aux_supports_hdr_backlight(connector) &&
-	    intel_dp->edp_dpcd[0] <= DP_EDP_14b) {
+	if (try_intel_interface && intel_dp->edp_dpcd[0] <= DP_EDP_14b &&
+	    intel_dp_aux_supports_hdr_backlight(connector)) {
 		drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Using Intel proprietary eDP backlight controls\n",
 			    connector->base.base.id, connector->base.name);
 		panel->backlight.funcs = &intel_dp_hdr_bl_funcs;
 		return 0;
 	}
 
-	if (try_vesa_interface && intel_dp_aux_supports_vesa_backlight(connector)) {
+	if (intel_dp_aux_supports_vesa_backlight(connector)) {
 		drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Using VESA eDP backlight controls\n",
 			    connector->base.base.id, connector->base.name);
 		panel->backlight.funcs = &intel_dp_vesa_bl_funcs;
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 70a21685a3e1..887b6de14e46 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -43,6 +43,7 @@
 #include "intel_display_regs.h"
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
+#include "intel_display_wa.h"
 #include "intel_dp.h"
 #include "intel_dp_hdcp.h"
 #include "intel_dp_link_training.h"
@@ -595,39 +596,22 @@ mst_stream_compute_config_limits(struct intel_dp *intel_dp,
 							    dsc);
 }
 
-static int mst_stream_compute_config(struct intel_encoder *encoder,
-				     struct intel_crtc_state *pipe_config,
-				     struct drm_connector_state *conn_state)
+static int mst_stream_compute_link_for_joined_pipes(struct intel_encoder *encoder,
+						    struct intel_crtc_state *pipe_config,
+						    struct drm_connector_state *conn_state,
+						    int num_joined_pipes)
 {
 	struct intel_display *display = to_intel_display(encoder);
-	struct intel_atomic_state *state = to_intel_atomic_state(conn_state->state);
-	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
 	struct intel_dp *intel_dp = to_primary_dp(encoder);
-	struct intel_connector *connector =
-		to_intel_connector(conn_state->connector);
 	const struct drm_display_mode *adjusted_mode =
 		&pipe_config->hw.adjusted_mode;
+	struct intel_connector *connector =
+		to_intel_connector(conn_state->connector);
 	struct link_config_limits limits;
 	bool dsc_needed, joiner_needs_dsc;
-	int num_joined_pipes;
 	int ret = 0;
 
-	if (pipe_config->fec_enable &&
-	    !intel_dp_supports_fec(intel_dp, connector, pipe_config))
-		return -EINVAL;
-
-	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return -EINVAL;
-
-	num_joined_pipes = intel_dp_num_joined_pipes(intel_dp, connector,
-						     adjusted_mode->crtc_hdisplay,
-						     adjusted_mode->crtc_clock);
-	if (num_joined_pipes > 1)
-		pipe_config->joiner_pipes = GENMASK(crtc->pipe + num_joined_pipes - 1, crtc->pipe);
-
-	pipe_config->sink_format = INTEL_OUTPUT_FORMAT_RGB;
-	pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
-	pipe_config->has_pch_encoder = false;
+	intel_dp_dsc_reset_config(pipe_config);
 
 	joiner_needs_dsc = intel_dp_joiner_needs_dsc(display, num_joined_pipes);
 
@@ -642,7 +626,12 @@ static int mst_stream_compute_config(struct intel_encoder *encoder,
 		if (ret == -EDEADLK)
 			return ret;
 
-		if (ret)
+		if (ret ||
+		    !intel_dp_dotclk_valid(display,
+					   adjusted_mode->clock,
+					   adjusted_mode->htotal,
+					   0,
+					   num_joined_pipes))
 			dsc_needed = true;
 	}
 
@@ -653,6 +642,8 @@ static int mst_stream_compute_config(struct intel_encoder *encoder,
 
 	/* enable compression if the mode doesn't fit available BW */
 	if (dsc_needed) {
+		int dsc_slice_count;
+
 		drm_dbg_kms(display->drm, "Try DSC (fallback=%s, joiner=%s, force=%s)\n",
 			    str_yes_no(ret), str_yes_no(joiner_needs_dsc),
 			    str_yes_no(intel_dp->force_dsc_en));
@@ -683,6 +674,66 @@ static int mst_stream_compute_config(struct intel_encoder *encoder,
 		ret = intel_dp_dsc_compute_config(intel_dp, pipe_config,
 						  conn_state, &limits,
 						  pipe_config->dp_m_n.tu);
+		if (ret)
+			return ret;
+
+		dsc_slice_count = intel_dp_mst_dsc_get_slice_count(connector, pipe_config);
+
+		if (!intel_dp_dotclk_valid(display,
+					   adjusted_mode->clock,
+					   adjusted_mode->htotal,
+					   dsc_slice_count,
+					   num_joined_pipes))
+			return -EINVAL;
+	}
+
+	if (ret)
+		return ret;
+
+	ret = intel_dp_compute_min_hblank(pipe_config, conn_state);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int mst_stream_compute_config(struct intel_encoder *encoder,
+				     struct intel_crtc_state *pipe_config,
+				     struct drm_connector_state *conn_state)
+{
+	struct intel_display *display = to_intel_display(encoder);
+	struct intel_atomic_state *state = to_intel_atomic_state(conn_state->state);
+	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
+	struct intel_dp *intel_dp = to_primary_dp(encoder);
+	struct intel_connector *connector =
+		to_intel_connector(conn_state->connector);
+	const struct drm_display_mode *adjusted_mode =
+		&pipe_config->hw.adjusted_mode;
+	int num_joined_pipes;
+	int ret = -EINVAL;
+
+	if (pipe_config->fec_enable &&
+	    !intel_dp_supports_fec(intel_dp, connector, pipe_config))
+		return -EINVAL;
+
+	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return -EINVAL;
+
+	pipe_config->sink_format = INTEL_OUTPUT_FORMAT_RGB;
+	pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
+	pipe_config->has_pch_encoder = false;
+
+	for_each_joiner_candidate(connector, adjusted_mode, num_joined_pipes) {
+		if (num_joined_pipes > 1)
+			pipe_config->joiner_pipes = GENMASK(crtc->pipe + num_joined_pipes - 1,
+							    crtc->pipe);
+
+		ret = mst_stream_compute_link_for_joined_pipes(encoder,
+							       pipe_config,
+							       conn_state,
+							       num_joined_pipes);
+		if (ret == 0 || ret == -EDEADLK)
+			break;
 	}
 
 	if (ret)
@@ -695,10 +746,6 @@ static int mst_stream_compute_config(struct intel_encoder *encoder,
 		pipe_config->lane_lat_optim_mask =
 			bxt_dpio_phy_calc_lane_lat_optim_mask(pipe_config->lane_count);
 
-	ret = intel_dp_compute_min_hblank(pipe_config, conn_state);
-	if (ret)
-		return ret;
-
 	intel_vrr_compute_config(pipe_config, conn_state);
 
 	intel_dp_audio_compute_config(encoder, pipe_config, conn_state);
@@ -1230,7 +1277,7 @@ static void enable_bs_jitter_was(const struct intel_crtc_state *crtc_state)
 		set |= DP_MST_FEC_BS_JITTER_WA(crtc_state->cpu_transcoder);
 
 	/* Wa_14014143976:adlp */
-	if (IS_DISPLAY_STEP(display, STEP_E0, STEP_FOREVER)) {
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14014143976)) {
 		if (intel_dp_is_uhbr(crtc_state))
 			set |= DP_MST_SHORT_HBLANK_WA(crtc_state->cpu_transcoder);
 		else if (crtc_state->fec_enable)
@@ -1419,11 +1466,11 @@ mst_connector_mode_valid_ctx(struct drm_connector *_connector,
 	struct intel_dp *intel_dp = connector->mst.dp;
 	struct drm_dp_mst_topology_mgr *mgr = &intel_dp->mst.mgr;
 	struct drm_dp_mst_port *port = connector->mst.port;
-	const int min_bpp = 18;
-	int max_dotclk = display->cdclk.max_dotclk_freq;
 	int max_rate, mode_rate, max_lanes, max_link_clock;
 	unsigned long bw_overhead_flags =
 		DRM_DP_BW_OVERHEAD_MST | DRM_DP_BW_OVERHEAD_SSC_REF_CLK;
+	int min_link_bpp_x16 = fxp_q4_from_int(18);
+	static bool supports_dsc;
 	int ret;
 	bool dsc = false;
 	int target_clock = mode->clock;
@@ -1448,6 +1495,13 @@ mst_connector_mode_valid_ctx(struct drm_connector *_connector,
 		return 0;
 	}
 
+	supports_dsc = intel_dp_has_dsc(connector) &&
+		       drm_dp_sink_supports_fec(connector->dp.fec_capability);
+
+	if (supports_dsc && connector->mst.port->passthrough_aux)
+		min_link_bpp_x16 = intel_dp_compute_min_compressed_bpp_x16(connector,
+									   INTEL_OUTPUT_FORMAT_RGB);
+
 	max_link_clock = intel_dp_max_link_rate(intel_dp);
 	max_lanes = intel_dp_max_lane_count(intel_dp);
 
@@ -1455,12 +1509,19 @@ mst_connector_mode_valid_ctx(struct drm_connector *_connector,
 					       max_link_clock, max_lanes);
 	mode_rate = intel_dp_link_required(max_link_clock, max_lanes,
 					   mode->clock, mode->hdisplay,
-					   fxp_q4_from_int(min_bpp),
+					   min_link_bpp_x16,
 					   bw_overhead_flags);
 
 	/*
 	 * TODO:
 	 * - Also check if compression would allow for the mode
+	 *   in non-passthrough mode, i.e. the last branch device
+	 *   decompressing the stream. This makes a difference only if
+	 *   the BW on the link between the last branch device and the
+	 *   sink is higher than the BW on the whole MST path from the
+	 *   source to the last branch device. Relying on the extra BW
+	 *   this provides also requires the
+	 *   DFP_Link_Available_Payload_Bandwidth_Number described below.
 	 * - Calculate the overhead using drm_dp_bw_overhead() /
 	 *   drm_dp_bw_channel_coding_efficiency(), similarly to the
 	 *   compute config code, as drm_dp_calc_pbn_mode() doesn't
@@ -1470,49 +1531,73 @@ mst_connector_mode_valid_ctx(struct drm_connector *_connector,
 	 *   corresponding link capabilities of the sink) in case the
 	 *   stream is uncompressed for it by the last branch device.
 	 */
-	num_joined_pipes = intel_dp_num_joined_pipes(intel_dp, connector,
-						     mode->hdisplay, target_clock);
-	max_dotclk *= num_joined_pipes;
-
 	ret = drm_modeset_lock(&mgr->base.lock, ctx);
 	if (ret)
 		return ret;
 
-	if (mode_rate > max_rate || mode->clock > max_dotclk ||
-	    drm_dp_calc_pbn_mode(mode->clock, min_bpp << 4) > port->full_pbn) {
+	if (mode_rate > max_rate ||
+	    drm_dp_calc_pbn_mode(mode->clock, min_link_bpp_x16) > port->full_pbn) {
 		*status = MODE_CLOCK_HIGH;
 		return 0;
 	}
 
-	if (intel_dp_has_dsc(connector) && drm_dp_sink_supports_fec(connector->dp.fec_capability)) {
-		/*
-		 * TBD pass the connector BPC,
-		 * for now U8_MAX so that max BPC on that platform would be picked
-		 */
-		int pipe_bpp = intel_dp_dsc_compute_max_bpp(connector, U8_MAX);
+	*status = MODE_CLOCK_HIGH;
+	for_each_joiner_candidate(connector, mode, num_joined_pipes) {
+		int dsc_slice_count = 0;
 
-		if (!drm_dp_is_uhbr_rate(max_link_clock))
-			bw_overhead_flags |= DRM_DP_BW_OVERHEAD_FEC;
+		if (supports_dsc) {
+			/*
+			 * TBD pass the connector BPC,
+			 * for now U8_MAX so that max BPC on that platform would be picked
+			 */
+			int pipe_bpp = intel_dp_dsc_compute_max_bpp(connector, U8_MAX);
 
-		dsc = intel_dp_mode_valid_with_dsc(connector,
-						   max_link_clock, max_lanes,
-						   target_clock, mode->hdisplay,
-						   num_joined_pipes,
-						   INTEL_OUTPUT_FORMAT_RGB, pipe_bpp,
-						   bw_overhead_flags);
+			dsc_slice_count = intel_dp_dsc_get_slice_count(connector,
+								       mode->clock,
+								       mode->hdisplay,
+								       num_joined_pipes);
+
+			if (!drm_dp_is_uhbr_rate(max_link_clock))
+				bw_overhead_flags |= DRM_DP_BW_OVERHEAD_FEC;
+
+			dsc = intel_dp_mode_valid_with_dsc(connector,
+							   max_link_clock, max_lanes,
+							   target_clock, mode->hdisplay,
+							   num_joined_pipes,
+							   INTEL_OUTPUT_FORMAT_RGB, pipe_bpp,
+							   bw_overhead_flags);
+		}
+
+		if (intel_dp_joiner_needs_dsc(display, num_joined_pipes) && !dsc) {
+			*status = MODE_CLOCK_HIGH;
+			continue;
+		}
+
+		if (mode_rate > max_rate && !dsc) {
+			*status = MODE_CLOCK_HIGH;
+			continue;
+		}
+
+		*status = intel_mode_valid_max_plane_size(display, mode, num_joined_pipes);
+
+		if (*status != MODE_OK)
+			continue;
+
+		if (!dsc)
+			dsc_slice_count = 0;
+
+		if (!intel_dp_dotclk_valid(display,
+					   mode->clock,
+					   mode->htotal,
+					   dsc_slice_count,
+					   num_joined_pipes)) {
+			*status = MODE_CLOCK_HIGH;
+			continue;
+		}
+
+		break;
 	}
 
-	if (intel_dp_joiner_needs_dsc(display, num_joined_pipes) && !dsc) {
-		*status = MODE_CLOCK_HIGH;
-		return 0;
-	}
-
-	if (mode_rate > max_rate && !dsc) {
-		*status = MODE_CLOCK_HIGH;
-		return 0;
-	}
-
-	*status = intel_mode_valid_max_plane_size(display, mode, num_joined_pipes);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_dp_tunnel.c b/drivers/gpu/drm/i915/display/intel_dp_tunnel.c
index 83865c02d477..1fd1ac8d556d 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_tunnel.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_tunnel.c
@@ -54,31 +54,20 @@ static int kbytes_to_mbits(int kbytes)
 	return DIV_ROUND_UP(kbytes * 8, 1000);
 }
 
-static int get_current_link_bw(struct intel_dp *intel_dp,
-			       bool *below_dprx_bw)
+static int get_current_link_bw(struct intel_dp *intel_dp)
 {
 	int rate = intel_dp_max_common_rate(intel_dp);
 	int lane_count = intel_dp_max_common_lane_count(intel_dp);
-	int bw;
 
-	bw = intel_dp_max_link_data_rate(intel_dp, rate, lane_count);
-	*below_dprx_bw = bw < drm_dp_max_dprx_data_rate(rate, lane_count);
-
-	return bw;
+	return intel_dp_max_link_data_rate(intel_dp, rate, lane_count);
 }
 
-static int update_tunnel_state(struct intel_dp *intel_dp)
+static int __update_tunnel_state(struct intel_dp *intel_dp, bool force_sink_update)
 {
 	struct intel_display *display = to_intel_display(intel_dp);
 	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
-	bool old_bw_below_dprx;
-	bool new_bw_below_dprx;
-	int old_bw;
-	int new_bw;
 	int ret;
 
-	old_bw = get_current_link_bw(intel_dp, &old_bw_below_dprx);
-
 	ret = drm_dp_tunnel_update_state(intel_dp->tunnel);
 	if (ret < 0) {
 		drm_dbg_kms(display->drm,
@@ -90,18 +79,26 @@ static int update_tunnel_state(struct intel_dp *intel_dp)
 		return ret;
 	}
 
-	if (ret == 0 ||
-	    !drm_dp_tunnel_bw_alloc_is_enabled(intel_dp->tunnel))
+	if (!force_sink_update &&
+	    (ret == 0 || !drm_dp_tunnel_bw_alloc_is_enabled(intel_dp->tunnel)))
 		return 0;
 
 	intel_dp_update_sink_caps(intel_dp);
 
-	new_bw = get_current_link_bw(intel_dp, &new_bw_below_dprx);
+	return 0;
+}
+
+static bool has_tunnel_bw_changed(struct intel_dp *intel_dp, int old_bw)
+{
+	struct intel_display *display = to_intel_display(intel_dp);
+	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+	int new_bw;
+
+	new_bw = get_current_link_bw(intel_dp);
 
 	/* Suppress the notification if the mode list can't change due to bw. */
-	if (old_bw_below_dprx == new_bw_below_dprx &&
-	    !new_bw_below_dprx)
-		return 0;
+	if (old_bw == new_bw)
+		return false;
 
 	drm_dbg_kms(display->drm,
 		    "[DPTUN %s][ENCODER:%d:%s] Notify users about BW change: %d -> %d\n",
@@ -109,7 +106,29 @@ static int update_tunnel_state(struct intel_dp *intel_dp)
 		    encoder->base.base.id, encoder->base.name,
 		    kbytes_to_mbits(old_bw), kbytes_to_mbits(new_bw));
 
-	return 1;
+	return true;
+}
+
+/*
+ * Returns:
+ * - 0 in case of success - if there wasn't any change in the tunnel state
+ *   requiring a user notification
+ * - 1 in case of success - if there was a change in the tunnel state
+ *   requiring a user notification
+ * - Negative error code if updating the tunnel state failed
+ */
+static int update_tunnel_state(struct intel_dp *intel_dp)
+{
+	int old_bw;
+	int err;
+
+	old_bw = get_current_link_bw(intel_dp);
+
+	err = __update_tunnel_state(intel_dp, false);
+	if (err)
+		return err;
+
+	return has_tunnel_bw_changed(intel_dp, old_bw) ? 1 : 0;
 }
 
 /*
@@ -150,11 +169,9 @@ static int allocate_initial_tunnel_bw_for_pipes(struct intel_dp *intel_dp, u8 pi
 			    drm_dp_tunnel_name(intel_dp->tunnel),
 			    encoder->base.base.id, encoder->base.name,
 			    ERR_PTR(err));
-
-		return err;
 	}
 
-	return update_tunnel_state(intel_dp);
+	return err;
 }
 
 static int allocate_initial_tunnel_bw(struct intel_dp *intel_dp,
@@ -170,13 +187,24 @@ static int allocate_initial_tunnel_bw(struct intel_dp *intel_dp,
 	return allocate_initial_tunnel_bw_for_pipes(intel_dp, pipe_mask);
 }
 
+/*
+ * Returns:
+ * - 0 in case of success - after any tunnel detected and added to @intel_dp
+ * - 1 in case of success - after a tunnel detected and added to @intel_dp,
+ *   where the link BW via the tunnel changed in a way requiring a user
+ *   notification
+ * - Negative error code if the tunnel detection failed
+ */
 static int detect_new_tunnel(struct intel_dp *intel_dp, struct drm_modeset_acquire_ctx *ctx)
 {
 	struct intel_display *display = to_intel_display(intel_dp);
 	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
 	struct drm_dp_tunnel *tunnel;
+	int old_bw;
 	int ret;
 
+	old_bw = get_current_link_bw(intel_dp);
+
 	tunnel = drm_dp_tunnel_detect(display->dp_tunnel_mgr,
 				      &intel_dp->aux);
 	if (IS_ERR(tunnel))
@@ -200,10 +228,17 @@ static int detect_new_tunnel(struct intel_dp *intel_dp, struct drm_modeset_acqui
 	}
 
 	ret = allocate_initial_tunnel_bw(intel_dp, ctx);
-	if (ret < 0)
+	if (ret < 0) {
 		intel_dp_tunnel_destroy(intel_dp);
 
-	return ret;
+		return ret;
+	}
+
+	ret = __update_tunnel_state(intel_dp, true);
+	if (ret)
+		return ret;
+
+	return has_tunnel_bw_changed(intel_dp, old_bw) ? 1 : 0;
 }
 
 /**
@@ -221,9 +256,12 @@ static int detect_new_tunnel(struct intel_dp *intel_dp, struct drm_modeset_acqui
  * tunnel. If the tunnel's state change requires this - for instance the
  * tunnel's group ID has changed - the tunnel will be dropped and recreated.
  *
- * Return 0 in case of success - after any tunnel detected and added to
- * @intel_dp - 1 in case the BW on an already existing tunnel has changed in a
- * way that requires notifying user space.
+ * Returns:
+ * - 0 in case of success - after any tunnel detected and added to @intel_dp
+ * - 1 in case the link BW via the new or an already existing tunnel has changed
+ *   in a way that requires notifying user space
+ * - Negative error code, if creating a new tunnel or updating the tunnel
+ *   state failed
  */
 int intel_dp_tunnel_detect(struct intel_dp *intel_dp, struct drm_modeset_acquire_ctx *ctx)
 {
diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c b/drivers/gpu/drm/i915/display/intel_dpll.c
index a4f372c9e6fc..8433e3ff0319 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll.c
@@ -1219,6 +1219,7 @@ static int xe3plpd_crtc_compute_clock(struct intel_atomic_state *state,
 		intel_atomic_get_new_crtc_state(state, crtc);
 	struct intel_encoder *encoder =
 		intel_get_crtc_new_encoder(state, crtc_state);
+	struct intel_display *display = to_intel_display(encoder);
 	int ret;
 
 	ret = intel_lt_phy_pll_calc_state(crtc_state, encoder);
@@ -1227,7 +1228,7 @@ static int xe3plpd_crtc_compute_clock(struct intel_atomic_state *state,
 
 	/* TODO: Do the readback via intel_compute_shared_dplls() */
 	crtc_state->port_clock =
-			intel_lt_phy_calc_port_clock(encoder, crtc_state);
+			intel_lt_phy_calc_port_clock(display, &crtc_state->dpll_hw_state.ltpll);
 
 	crtc_state->hw.adjusted_mode.crtc_clock = intel_crtc_dotclock(crtc_state);
 
@@ -2333,3 +2334,8 @@ void assert_pll_disabled(struct intel_display *display, enum pipe pipe)
 {
 	assert_pll(display, pipe, false);
 }
+
+bool intel_dpll_clock_matches(int clock1, int clock2)
+{
+	return abs(clock1 - clock2) <= 1;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_dpll.h b/drivers/gpu/drm/i915/display/intel_dpll.h
index 3444a2dd3166..8cd0d17e974e 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll.h
+++ b/drivers/gpu/drm/i915/display/intel_dpll.h
@@ -48,5 +48,6 @@ void chv_crtc_clock_get(struct intel_crtc_state *crtc_state);
 
 void assert_pll_enabled(struct intel_display *display, enum pipe pipe);
 void assert_pll_disabled(struct intel_display *display, enum pipe pipe);
+bool intel_dpll_clock_matches(int clock1, int clock2);
 
 #endif
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index 9aa84a430f09..f35a9252f4e1 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -38,6 +38,7 @@
 #include "intel_dpll.h"
 #include "intel_dpll_mgr.h"
 #include "intel_hti.h"
+#include "intel_lt_phy.h"
 #include "intel_mg_phy_regs.h"
 #include "intel_pch_refclk.h"
 #include "intel_step.h"
@@ -4613,7 +4614,7 @@ void intel_dpll_init(struct intel_display *display)
 		dpll_mgr = &pch_pll_mgr;
 
 	if (!dpll_mgr)
-		return;
+		goto out_verify;
 
 	dpll_info = dpll_mgr->dpll_info;
 
@@ -4632,6 +4633,14 @@ void intel_dpll_init(struct intel_display *display)
 
 	display->dpll.mgr = dpll_mgr;
 	display->dpll.num_dpll = i;
+
+out_verify:
+	/*
+	 * TODO: Convert these to a KUnit test or dependent on a kconfig
+	 * debug option.
+	 */
+	intel_cx0pll_verify_plls(display);
+	intel_lt_phy_verify_plls(display);
 }
 
 /**
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
index 5b71c860515f..4cc14ce5eebe 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
@@ -241,14 +241,12 @@ struct intel_mpllb_state {
 };
 
 struct intel_c10pll_state {
-	u32 clock; /* in KHz */
 	u8 tx;
 	u8 cmn;
 	u8 pll[20];
 };
 
 struct intel_c20pll_state {
-	u32 clock; /* in kHz */
 	u16 tx[3];
 	u16 cmn[4];
 	union {
@@ -274,7 +272,6 @@ struct intel_cx0pll_state {
 };
 
 struct intel_lt_phy_pll_state {
-	u32 clock; /* in kHz */
 	u8 addr_msb[13];
 	u8 addr_lsb[13];
 	u8 data[13][4];
diff --git a/drivers/gpu/drm/i915/display/intel_dpt.c b/drivers/gpu/drm/i915/display/intel_dpt.c
index da472371c7d7..145dc9511116 100644
--- a/drivers/gpu/drm/i915/display/intel_dpt.c
+++ b/drivers/gpu/drm/i915/display/intel_dpt.c
@@ -1,187 +1,67 @@
 // SPDX-License-Identifier: MIT
 /*
- * Copyright © 2021 Intel Corporation
+ * Copyright © 2023 Intel Corporation
  */
 
-#include <drm/drm_print.h>
-
-#include "gem/i915_gem_domain.h"
-#include "gem/i915_gem_internal.h"
-#include "gem/i915_gem_lmem.h"
-#include "gt/gen8_ppgtt.h"
-
-#include "i915_drv.h"
-#include "intel_display_core.h"
-#include "intel_display_rpm.h"
+#include "intel_de.h"
+#include "intel_display_regs.h"
 #include "intel_display_types.h"
 #include "intel_dpt.h"
-#include "intel_fb.h"
+#include "intel_parent.h"
+#include "skl_universal_plane_regs.h"
 
-struct i915_dpt {
-	struct i915_address_space vm;
-
-	struct drm_i915_gem_object *obj;
-	struct i915_vma *vma;
-	void __iomem *iomem;
-};
-
-#define i915_is_dpt(vm) ((vm)->is_dpt)
-
-static inline struct i915_dpt *
-i915_vm_to_dpt(struct i915_address_space *vm)
+void intel_dpt_configure(struct intel_crtc *crtc)
 {
-	BUILD_BUG_ON(offsetof(struct i915_dpt, vm));
-	drm_WARN_ON(&vm->i915->drm, !i915_is_dpt(vm));
-	return container_of(vm, struct i915_dpt, vm);
+	struct intel_display *display = to_intel_display(crtc);
+
+	if (DISPLAY_VER(display) == 14) {
+		enum pipe pipe = crtc->pipe;
+		enum plane_id plane_id;
+
+		for_each_plane_id_on_crtc(crtc, plane_id) {
+			if (plane_id == PLANE_CURSOR)
+				continue;
+
+			intel_de_rmw(display, PLANE_CHICKEN(pipe, plane_id),
+				     PLANE_CHICKEN_DISABLE_DPT,
+				     display->params.enable_dpt ? 0 :
+				     PLANE_CHICKEN_DISABLE_DPT);
+		}
+	} else if (DISPLAY_VER(display) == 13) {
+		intel_de_rmw(display, CHICKEN_MISC_2,
+			     CHICKEN_MISC_DISABLE_DPT,
+			     display->params.enable_dpt ? 0 :
+			     CHICKEN_MISC_DISABLE_DPT);
+	}
 }
 
-static void gen8_set_pte(void __iomem *addr, gen8_pte_t pte)
+/**
+ * intel_dpt_suspend - suspend the memory mapping for all DPT FBs during system suspend
+ * @display: display device instance
+ *
+ * Suspend the memory mapping during system suspend for all framebuffers which
+ * are mapped to HW via a GGTT->DPT page table.
+ *
+ * This function must be called before the mappings in GGTT are suspended calling
+ * i915_ggtt_suspend().
+ */
+void intel_dpt_suspend(struct intel_display *display)
 {
-	writeq(pte, addr);
-}
+	struct drm_framebuffer *drm_fb;
 
-static void dpt_insert_page(struct i915_address_space *vm,
-			    dma_addr_t addr,
-			    u64 offset,
-			    unsigned int pat_index,
-			    u32 flags)
-{
-	struct i915_dpt *dpt = i915_vm_to_dpt(vm);
-	gen8_pte_t __iomem *base = dpt->iomem;
-
-	gen8_set_pte(base + offset / I915_GTT_PAGE_SIZE,
-		     vm->pte_encode(addr, pat_index, flags));
-}
-
-static void dpt_insert_entries(struct i915_address_space *vm,
-			       struct i915_vma_resource *vma_res,
-			       unsigned int pat_index,
-			       u32 flags)
-{
-	struct i915_dpt *dpt = i915_vm_to_dpt(vm);
-	gen8_pte_t __iomem *base = dpt->iomem;
-	const gen8_pte_t pte_encode = vm->pte_encode(0, pat_index, flags);
-	struct sgt_iter sgt_iter;
-	dma_addr_t addr;
-	int i;
-
-	/*
-	 * Note that we ignore PTE_READ_ONLY here. The caller must be careful
-	 * not to allow the user to override access to a read only page.
-	 */
-
-	i = vma_res->start / I915_GTT_PAGE_SIZE;
-	for_each_sgt_daddr(addr, sgt_iter, vma_res->bi.pages)
-		gen8_set_pte(&base[i++], pte_encode | addr);
-}
-
-static void dpt_clear_range(struct i915_address_space *vm,
-			    u64 start, u64 length)
-{
-}
-
-static void dpt_bind_vma(struct i915_address_space *vm,
-			 struct i915_vm_pt_stash *stash,
-			 struct i915_vma_resource *vma_res,
-			 unsigned int pat_index,
-			 u32 flags)
-{
-	u32 pte_flags;
-
-	if (vma_res->bound_flags)
+	if (!HAS_DISPLAY(display))
 		return;
 
-	/* Applicable to VLV (gen8+ do not support RO in the GGTT) */
-	pte_flags = 0;
-	if (vm->has_read_only && vma_res->bi.readonly)
-		pte_flags |= PTE_READ_ONLY;
-	if (vma_res->bi.lmem)
-		pte_flags |= PTE_LM;
+	mutex_lock(&display->drm->mode_config.fb_lock);
 
-	vm->insert_entries(vm, vma_res, pat_index, pte_flags);
+	drm_for_each_fb(drm_fb, display->drm) {
+		struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb);
 
-	vma_res->page_sizes_gtt = I915_GTT_PAGE_SIZE;
-
-	/*
-	 * Without aliasing PPGTT there's no difference between
-	 * GLOBAL/LOCAL_BIND, it's all the same ptes. Hence unconditionally
-	 * upgrade to both bound if we bind either to avoid double-binding.
-	 */
-	vma_res->bound_flags = I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND;
-}
-
-static void dpt_unbind_vma(struct i915_address_space *vm,
-			   struct i915_vma_resource *vma_res)
-{
-	vm->clear_range(vm, vma_res->start, vma_res->vma_size);
-}
-
-static void dpt_cleanup(struct i915_address_space *vm)
-{
-	struct i915_dpt *dpt = i915_vm_to_dpt(vm);
-
-	i915_gem_object_put(dpt->obj);
-}
-
-struct i915_vma *intel_dpt_pin_to_ggtt(struct i915_address_space *vm,
-				       unsigned int alignment)
-{
-	struct drm_i915_private *i915 = vm->i915;
-	struct intel_display *display = i915->display;
-	struct i915_dpt *dpt = i915_vm_to_dpt(vm);
-	struct ref_tracker *wakeref;
-	struct i915_vma *vma;
-	void __iomem *iomem;
-	struct i915_gem_ww_ctx ww;
-	u64 pin_flags = 0;
-	int err;
-
-	if (i915_gem_object_is_stolen(dpt->obj))
-		pin_flags |= PIN_MAPPABLE;
-
-	wakeref = intel_display_rpm_get(display);
-	atomic_inc(&display->restore.pending_fb_pin);
-
-	for_i915_gem_ww(&ww, err, true) {
-		err = i915_gem_object_lock(dpt->obj, &ww);
-		if (err)
-			continue;
-
-		vma = i915_gem_object_ggtt_pin_ww(dpt->obj, &ww, NULL, 0,
-						  alignment, pin_flags);
-		if (IS_ERR(vma)) {
-			err = PTR_ERR(vma);
-			continue;
-		}
-
-		iomem = i915_vma_pin_iomap(vma);
-		i915_vma_unpin(vma);
-
-		if (IS_ERR(iomem)) {
-			err = PTR_ERR(iomem);
-			continue;
-		}
-
-		dpt->vma = vma;
-		dpt->iomem = iomem;
-
-		i915_vma_get(vma);
+		if (fb->dpt)
+			intel_parent_dpt_suspend(display, fb->dpt);
 	}
 
-	dpt->obj->mm.dirty = true;
-
-	atomic_dec(&display->restore.pending_fb_pin);
-	intel_display_rpm_put(display, wakeref);
-
-	return err ? ERR_PTR(err) : vma;
-}
-
-void intel_dpt_unpin_from_ggtt(struct i915_address_space *vm)
-{
-	struct i915_dpt *dpt = i915_vm_to_dpt(vm);
-
-	i915_vma_unpin_iomap(dpt->vma);
-	i915_vma_put(dpt->vma);
+	mutex_unlock(&display->drm->mode_config.fb_lock);
 }
 
 /**
@@ -207,120 +87,8 @@ void intel_dpt_resume(struct intel_display *display)
 	drm_for_each_fb(drm_fb, display->drm) {
 		struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb);
 
-		if (fb->dpt_vm)
-			i915_ggtt_resume_vm(fb->dpt_vm, true);
+		if (fb->dpt)
+			intel_parent_dpt_resume(display, fb->dpt);
 	}
 	mutex_unlock(&display->drm->mode_config.fb_lock);
 }
-
-/**
- * intel_dpt_suspend - suspend the memory mapping for all DPT FBs during system suspend
- * @display: display device instance
- *
- * Suspend the memory mapping during system suspend for all framebuffers which
- * are mapped to HW via a GGTT->DPT page table.
- *
- * This function must be called before the mappings in GGTT are suspended calling
- * i915_ggtt_suspend().
- */
-void intel_dpt_suspend(struct intel_display *display)
-{
-	struct drm_framebuffer *drm_fb;
-
-	if (!HAS_DISPLAY(display))
-		return;
-
-	mutex_lock(&display->drm->mode_config.fb_lock);
-
-	drm_for_each_fb(drm_fb, display->drm) {
-		struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb);
-
-		if (fb->dpt_vm)
-			i915_ggtt_suspend_vm(fb->dpt_vm, true);
-	}
-
-	mutex_unlock(&display->drm->mode_config.fb_lock);
-}
-
-struct i915_address_space *
-intel_dpt_create(struct intel_framebuffer *fb)
-{
-	struct drm_gem_object *obj = intel_fb_bo(&fb->base);
-	struct drm_i915_private *i915 = to_i915(obj->dev);
-	struct drm_i915_gem_object *dpt_obj;
-	struct i915_address_space *vm;
-	struct i915_dpt *dpt;
-	size_t size;
-	int ret;
-
-	if (intel_fb_needs_pot_stride_remap(fb))
-		size = intel_remapped_info_size(&fb->remapped_view.gtt.remapped);
-	else
-		size = DIV_ROUND_UP_ULL(obj->size, I915_GTT_PAGE_SIZE);
-
-	size = round_up(size * sizeof(gen8_pte_t), I915_GTT_PAGE_SIZE);
-
-	dpt_obj = i915_gem_object_create_lmem(i915, size, I915_BO_ALLOC_CONTIGUOUS);
-	if (IS_ERR(dpt_obj) && i915_ggtt_has_aperture(to_gt(i915)->ggtt))
-		dpt_obj = i915_gem_object_create_stolen(i915, size);
-	if (IS_ERR(dpt_obj) && !HAS_LMEM(i915)) {
-		drm_dbg_kms(&i915->drm, "Allocating dpt from smem\n");
-		dpt_obj = i915_gem_object_create_shmem(i915, size);
-	}
-	if (IS_ERR(dpt_obj))
-		return ERR_CAST(dpt_obj);
-
-	ret = i915_gem_object_lock_interruptible(dpt_obj, NULL);
-	if (!ret) {
-		ret = i915_gem_object_set_cache_level(dpt_obj, I915_CACHE_NONE);
-		i915_gem_object_unlock(dpt_obj);
-	}
-	if (ret) {
-		i915_gem_object_put(dpt_obj);
-		return ERR_PTR(ret);
-	}
-
-	dpt = kzalloc_obj(*dpt);
-	if (!dpt) {
-		i915_gem_object_put(dpt_obj);
-		return ERR_PTR(-ENOMEM);
-	}
-
-	vm = &dpt->vm;
-
-	vm->gt = to_gt(i915);
-	vm->i915 = i915;
-	vm->dma = i915->drm.dev;
-	vm->total = (size / sizeof(gen8_pte_t)) * I915_GTT_PAGE_SIZE;
-	vm->is_dpt = true;
-
-	i915_address_space_init(vm, VM_CLASS_DPT);
-
-	vm->insert_page = dpt_insert_page;
-	vm->clear_range = dpt_clear_range;
-	vm->insert_entries = dpt_insert_entries;
-	vm->cleanup = dpt_cleanup;
-
-	vm->vma_ops.bind_vma    = dpt_bind_vma;
-	vm->vma_ops.unbind_vma  = dpt_unbind_vma;
-
-	vm->pte_encode = vm->gt->ggtt->vm.pte_encode;
-
-	dpt->obj = dpt_obj;
-	dpt->obj->is_dpt = true;
-
-	return &dpt->vm;
-}
-
-void intel_dpt_destroy(struct i915_address_space *vm)
-{
-	struct i915_dpt *dpt = i915_vm_to_dpt(vm);
-
-	dpt->obj->is_dpt = false;
-	i915_vm_put(&dpt->vm);
-}
-
-u64 intel_dpt_offset(struct i915_vma *dpt_vma)
-{
-	return i915_vma_offset(dpt_vma);
-}
diff --git a/drivers/gpu/drm/i915/display/intel_dpt.h b/drivers/gpu/drm/i915/display/intel_dpt.h
index db521401b828..11bd495693b2 100644
--- a/drivers/gpu/drm/i915/display/intel_dpt.h
+++ b/drivers/gpu/drm/i915/display/intel_dpt.h
@@ -1,26 +1,16 @@
 /* SPDX-License-Identifier: MIT */
 /*
- * Copyright © 2021 Intel Corporation
+ * Copyright © 2023 Intel Corporation
  */
 
-#ifndef __INTEL_DPT_H__
-#define __INTEL_DPT_H__
+#ifndef __INTEL_DPT_COMMON_H__
+#define __INTEL_DPT_COMMON_H__
 
-#include <linux/types.h>
-
-struct i915_address_space;
-struct i915_vma;
+struct intel_crtc;
 struct intel_display;
-struct intel_framebuffer;
 
-void intel_dpt_destroy(struct i915_address_space *vm);
-struct i915_vma *intel_dpt_pin_to_ggtt(struct i915_address_space *vm,
-				       unsigned int alignment);
-void intel_dpt_unpin_from_ggtt(struct i915_address_space *vm);
+void intel_dpt_configure(struct intel_crtc *crtc);
 void intel_dpt_suspend(struct intel_display *display);
 void intel_dpt_resume(struct intel_display *display);
-struct i915_address_space *
-intel_dpt_create(struct intel_framebuffer *fb);
-u64 intel_dpt_offset(struct i915_vma *dpt_vma);
 
-#endif /* __INTEL_DPT_H__ */
+#endif /* __INTEL_DPT_COMMON_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_dpt_common.c b/drivers/gpu/drm/i915/display/intel_dpt_common.c
deleted file mode 100644
index 5eb88d51dba1..000000000000
--- a/drivers/gpu/drm/i915/display/intel_dpt_common.c
+++ /dev/null
@@ -1,35 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2023 Intel Corporation
- */
-
-#include "intel_de.h"
-#include "intel_display_regs.h"
-#include "intel_display_types.h"
-#include "intel_dpt_common.h"
-#include "skl_universal_plane_regs.h"
-
-void intel_dpt_configure(struct intel_crtc *crtc)
-{
-	struct intel_display *display = to_intel_display(crtc);
-
-	if (DISPLAY_VER(display) == 14) {
-		enum pipe pipe = crtc->pipe;
-		enum plane_id plane_id;
-
-		for_each_plane_id_on_crtc(crtc, plane_id) {
-			if (plane_id == PLANE_CURSOR)
-				continue;
-
-			intel_de_rmw(display, PLANE_CHICKEN(pipe, plane_id),
-				     PLANE_CHICKEN_DISABLE_DPT,
-				     display->params.enable_dpt ? 0 :
-				     PLANE_CHICKEN_DISABLE_DPT);
-		}
-	} else if (DISPLAY_VER(display) == 13) {
-		intel_de_rmw(display, CHICKEN_MISC_2,
-			     CHICKEN_MISC_DISABLE_DPT,
-			     display->params.enable_dpt ? 0 :
-			     CHICKEN_MISC_DISABLE_DPT);
-	}
-}
diff --git a/drivers/gpu/drm/i915/display/intel_dpt_common.h b/drivers/gpu/drm/i915/display/intel_dpt_common.h
deleted file mode 100644
index 6d7de405126a..000000000000
--- a/drivers/gpu/drm/i915/display/intel_dpt_common.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2023 Intel Corporation
- */
-
-#ifndef __INTEL_DPT_COMMON_H__
-#define __INTEL_DPT_COMMON_H__
-
-struct intel_crtc;
-
-void intel_dpt_configure(struct intel_crtc *crtc);
-
-#endif /* __INTEL_DPT_COMMON_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_dram.c b/drivers/gpu/drm/i915/display/intel_dram.c
index 170de304fe96..bd281d4b4c05 100644
--- a/drivers/gpu/drm/i915/display/intel_dram.c
+++ b/drivers/gpu/drm/i915/display/intel_dram.c
@@ -7,13 +7,14 @@
 
 #include <drm/drm_managed.h>
 #include <drm/drm_print.h>
+#include <drm/intel/intel_pcode_regs.h>
 
-#include "i915_reg.h"
 #include "intel_display_core.h"
 #include "intel_display_utils.h"
+#include "intel_display_regs.h"
 #include "intel_dram.h"
 #include "intel_mchbar_regs.h"
-#include "intel_pcode.h"
+#include "intel_parent.h"
 #include "intel_uncore.h"
 #include "vlv_iosf_sb.h"
 
@@ -692,8 +693,8 @@ static int icl_pcode_read_mem_global_info(struct intel_display *display,
 	u32 val = 0;
 	int ret;
 
-	ret = intel_pcode_read(display->drm, ICL_PCODE_MEM_SUBSYSYSTEM_INFO |
-			       ICL_PCODE_MEM_SS_READ_GLOBAL_INFO, &val, NULL);
+	ret = intel_parent_pcode_read(display, ICL_PCODE_MEM_SUBSYSYSTEM_INFO |
+				      ICL_PCODE_MEM_SS_READ_GLOBAL_INFO, &val, NULL);
 	if (ret)
 		return ret;
 
diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c
index b5d774706fec..c8d3968f659f 100644
--- a/drivers/gpu/drm/i915/display/intel_dsb.c
+++ b/drivers/gpu/drm/i915/display/intel_dsb.c
@@ -8,6 +8,7 @@
 
 #include <drm/drm_print.h>
 #include <drm/drm_vblank.h>
+#include <drm/intel/display_parent_interface.h>
 
 #include "intel_crtc.h"
 #include "intel_de.h"
@@ -15,8 +16,8 @@
 #include "intel_display_rpm.h"
 #include "intel_display_types.h"
 #include "intel_dsb.h"
-#include "intel_dsb_buffer.h"
 #include "intel_dsb_regs.h"
+#include "intel_psr.h"
 #include "intel_vblank.h"
 #include "intel_vrr.h"
 #include "skl_watermark.h"
@@ -75,6 +76,57 @@ struct intel_dsb {
  * writes). There are no registers reads possible with DSB HW engine.
  */
 
+/*
+ * DSB buffer parent interface calls are here instead of intel_parent.[ch]
+ * because they're not used outside of intel_dsb.c.
+ */
+static u32 dsb_buffer_ggtt_offset(struct intel_dsb *dsb)
+{
+	struct intel_display *display = to_intel_display(dsb->crtc);
+
+	return display->parent->dsb->ggtt_offset(dsb->dsb_buf);
+}
+
+static void dsb_buffer_write(struct intel_dsb *dsb, u32 idx, u32 val)
+{
+	struct intel_display *display = to_intel_display(dsb->crtc);
+
+	display->parent->dsb->write(dsb->dsb_buf, idx, val);
+}
+
+static u32 dsb_buffer_read(struct intel_dsb *dsb, u32 idx)
+{
+	struct intel_display *display = to_intel_display(dsb->crtc);
+
+	return display->parent->dsb->read(dsb->dsb_buf, idx);
+}
+
+static void dsb_buffer_fill(struct intel_dsb *dsb, u32 idx, u32 val, size_t size)
+{
+	struct intel_display *display = to_intel_display(dsb->crtc);
+
+	display->parent->dsb->fill(dsb->dsb_buf, idx, val, size);
+}
+
+static struct intel_dsb_buffer *dsb_buffer_create(struct intel_display *display, size_t size)
+{
+	return display->parent->dsb->create(display->drm, size);
+}
+
+static void dsb_buffer_cleanup(struct intel_dsb *dsb)
+{
+	struct intel_display *display = to_intel_display(dsb->crtc);
+
+	display->parent->dsb->cleanup(dsb->dsb_buf);
+}
+
+static void dsb_buffer_flush_map(struct intel_dsb *dsb)
+{
+	struct intel_display *display = to_intel_display(dsb->crtc);
+
+	display->parent->dsb->flush_map(dsb->dsb_buf);
+}
+
 /* DSB opcodes. */
 #define DSB_OPCODE_SHIFT		24
 #define DSB_OPCODE_NOOP			0x0
@@ -166,18 +218,24 @@ static int dsb_scanline_to_hw(struct intel_atomic_state *state,
  * definitely do not want to skip vblank wait. We also have concern what comes
  * to skipping vblank evasion. I.e. arming registers are latched before we have
  * managed writing them. Due to these reasons we are not setting
- * DSB_SKIP_WAITS_EN.
+ * DSB_SKIP_WAITS_EN except when using TRANS_PUSH mechanism to trigger
+ * "frame change" event.
  */
 static u32 dsb_chicken(struct intel_atomic_state *state,
 		       struct intel_crtc *crtc)
 {
+	const struct intel_crtc_state *new_crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
+	u32 chicken = intel_psr_use_trans_push(new_crtc_state) ?
+		DSB_SKIP_WAITS_EN : 0;
+
 	if (pre_commit_is_vrr_active(state, crtc))
-		return DSB_CTRL_WAIT_SAFE_WINDOW |
+		chicken |= DSB_CTRL_WAIT_SAFE_WINDOW |
 			DSB_CTRL_NO_WAIT_VBLANK |
 			DSB_INST_WAIT_SAFE_WINDOW |
 			DSB_INST_NO_WAIT_VBLANK;
-	else
-		return 0;
+
+	return chicken;
 }
 
 static bool assert_dsb_has_room(struct intel_dsb *dsb)
@@ -211,10 +269,10 @@ static void intel_dsb_dump(struct intel_dsb *dsb)
 	for (i = 0; i < ALIGN(dsb->free_pos, 64 / 4); i += 4)
 		drm_dbg_kms(display->drm,
 			    " 0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n", i * 4,
-			    intel_dsb_buffer_read(dsb->dsb_buf, i),
-			    intel_dsb_buffer_read(dsb->dsb_buf, i + 1),
-			    intel_dsb_buffer_read(dsb->dsb_buf, i + 2),
-			    intel_dsb_buffer_read(dsb->dsb_buf, i + 3));
+			    dsb_buffer_read(dsb, i),
+			    dsb_buffer_read(dsb, i + 1),
+			    dsb_buffer_read(dsb, i + 2),
+			    dsb_buffer_read(dsb, i + 3));
 	drm_dbg_kms(display->drm, "}\n");
 }
 
@@ -231,12 +289,12 @@ unsigned int intel_dsb_size(struct intel_dsb *dsb)
 
 unsigned int intel_dsb_head(struct intel_dsb *dsb)
 {
-	return intel_dsb_buffer_ggtt_offset(dsb->dsb_buf);
+	return dsb_buffer_ggtt_offset(dsb);
 }
 
 static unsigned int intel_dsb_tail(struct intel_dsb *dsb)
 {
-	return intel_dsb_buffer_ggtt_offset(dsb->dsb_buf) + intel_dsb_size(dsb);
+	return dsb_buffer_ggtt_offset(dsb) + intel_dsb_size(dsb);
 }
 
 static void intel_dsb_ins_align(struct intel_dsb *dsb)
@@ -263,8 +321,8 @@ static void intel_dsb_emit(struct intel_dsb *dsb, u32 ldw, u32 udw)
 	dsb->ins[0] = ldw;
 	dsb->ins[1] = udw;
 
-	intel_dsb_buffer_write(dsb->dsb_buf, dsb->free_pos++, dsb->ins[0]);
-	intel_dsb_buffer_write(dsb->dsb_buf, dsb->free_pos++, dsb->ins[1]);
+	dsb_buffer_write(dsb, dsb->free_pos++, dsb->ins[0]);
+	dsb_buffer_write(dsb, dsb->free_pos++, dsb->ins[1]);
 }
 
 static bool intel_dsb_prev_ins_is_write(struct intel_dsb *dsb,
@@ -335,13 +393,12 @@ void intel_dsb_reg_write_indexed(struct intel_dsb *dsb,
 
 	/* Update the count */
 	dsb->ins[0]++;
-	intel_dsb_buffer_write(dsb->dsb_buf, dsb->ins_start_offset + 0,
-			       dsb->ins[0]);
+	dsb_buffer_write(dsb, dsb->ins_start_offset + 0, dsb->ins[0]);
 
-	intel_dsb_buffer_write(dsb->dsb_buf, dsb->free_pos++, val);
+	dsb_buffer_write(dsb, dsb->free_pos++, val);
 	/* if number of data words is odd, then the last dword should be 0.*/
 	if (dsb->free_pos & 0x1)
-		intel_dsb_buffer_write(dsb->dsb_buf, dsb->free_pos, 0);
+		dsb_buffer_write(dsb, dsb->free_pos, 0);
 }
 
 void intel_dsb_reg_write(struct intel_dsb *dsb,
@@ -521,8 +578,7 @@ static void intel_dsb_align_tail(struct intel_dsb *dsb)
 	aligned_tail = ALIGN(tail, CACHELINE_BYTES);
 
 	if (aligned_tail > tail)
-		intel_dsb_buffer_memset(dsb->dsb_buf, dsb->free_pos, 0,
-					aligned_tail - tail);
+		dsb_buffer_fill(dsb, dsb->free_pos, 0, aligned_tail - tail);
 
 	dsb->free_pos = aligned_tail / 4;
 }
@@ -541,8 +597,7 @@ static void intel_dsb_gosub_align(struct intel_dsb *dsb)
 	 * "Ensure GOSUB is not placed in cacheline QW slot 6 or 7 (numbered 0-7)"
 	 */
 	if (aligned_tail - tail <= 2 * 8)
-		intel_dsb_buffer_memset(dsb->dsb_buf, dsb->free_pos, 0,
-					aligned_tail - tail);
+		dsb_buffer_fill(dsb, dsb->free_pos, 0, aligned_tail - tail);
 
 	dsb->free_pos = aligned_tail / 4;
 }
@@ -606,14 +661,14 @@ void intel_dsb_gosub_finish(struct intel_dsb *dsb)
 	 */
 	intel_dsb_noop(dsb, 8);
 
-	intel_dsb_buffer_flush_map(dsb->dsb_buf);
+	dsb_buffer_flush_map(dsb);
 }
 
 void intel_dsb_finish(struct intel_dsb *dsb)
 {
 	intel_dsb_align_tail(dsb);
 
-	intel_dsb_buffer_flush_map(dsb->dsb_buf);
+	dsb_buffer_flush_map(dsb);
 }
 
 static u32 dsb_error_int_status(struct intel_display *display)
@@ -917,7 +972,7 @@ void intel_dsb_wait(struct intel_dsb *dsb)
 			      !is_busy,
 			      100, 1000, false);
 	if (ret) {
-		u32 offset = intel_dsb_buffer_ggtt_offset(dsb->dsb_buf);
+		u32 offset = dsb_buffer_ggtt_offset(dsb);
 
 		intel_de_write_fw(display, DSB_CTRL(pipe, dsb->id),
 				  DSB_ENABLE | DSB_HALT);
@@ -983,7 +1038,7 @@ struct intel_dsb *intel_dsb_prepare(struct intel_atomic_state *state,
 	/* ~1 qword per instruction, full cachelines */
 	size = ALIGN(max_cmds * 8, CACHELINE_BYTES);
 
-	dsb_buf = intel_dsb_buffer_create(display->drm, size);
+	dsb_buf = dsb_buffer_create(display, size);
 	if (IS_ERR(dsb_buf))
 		goto out_put_rpm;
 
@@ -1021,7 +1076,7 @@ struct intel_dsb *intel_dsb_prepare(struct intel_atomic_state *state,
  */
 void intel_dsb_cleanup(struct intel_dsb *dsb)
 {
-	intel_dsb_buffer_cleanup(dsb->dsb_buf);
+	dsb_buffer_cleanup(dsb);
 	kfree(dsb);
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_dsb_buffer.h b/drivers/gpu/drm/i915/display/intel_dsb_buffer.h
deleted file mode 100644
index f4577d1f25cd..000000000000
--- a/drivers/gpu/drm/i915/display/intel_dsb_buffer.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2023 Intel Corporation
- */
-
-#ifndef _INTEL_DSB_BUFFER_H
-#define _INTEL_DSB_BUFFER_H
-
-#include <linux/types.h>
-
-struct drm_device;
-struct intel_dsb_buffer;
-
-u32 intel_dsb_buffer_ggtt_offset(struct intel_dsb_buffer *dsb_buf);
-void intel_dsb_buffer_write(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val);
-u32 intel_dsb_buffer_read(struct intel_dsb_buffer *dsb_buf, u32 idx);
-void intel_dsb_buffer_memset(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val, size_t size);
-struct intel_dsb_buffer *intel_dsb_buffer_create(struct drm_device *drm, size_t size);
-void intel_dsb_buffer_cleanup(struct intel_dsb_buffer *dsb_buf);
-void intel_dsb_buffer_flush_map(struct intel_dsb_buffer *dsb_buf);
-
-#endif
diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c
index 38c33f2ca05c..5768619f840f 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fb.c
@@ -16,9 +16,7 @@
 #include "intel_display_core.h"
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
-#include "intel_dpt.h"
 #include "intel_fb.h"
-#include "intel_fb_bo.h"
 #include "intel_frontbuffer.h"
 #include "intel_parent.h"
 #include "intel_plane.h"
@@ -2104,16 +2102,17 @@ int intel_plane_compute_gtt(struct intel_plane_state *plane_state)
 
 static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb)
 {
+	struct intel_display *display = to_intel_display(fb->dev);
 	struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
 
 	drm_framebuffer_cleanup(fb);
 
 	if (intel_fb_uses_dpt(fb))
-		intel_dpt_destroy(intel_fb->dpt_vm);
+		intel_parent_dpt_destroy(display, intel_fb->dpt);
 
-	intel_fb_bo_framebuffer_fini(intel_fb_bo(fb));
+	intel_bo_framebuffer_fini(intel_fb_bo(fb));
 
-	intel_frontbuffer_put(intel_fb->frontbuffer);
+	intel_parent_frontbuffer_put(display, intel_fb->frontbuffer);
 
 	kfree(intel_fb->panic);
 	kfree(intel_fb);
@@ -2221,16 +2220,16 @@ int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
 		return -ENOMEM;
 
 	/*
-	 * intel_frontbuffer_get() must be done before
-	 * intel_fb_bo_framebuffer_init() to avoid set_tiling vs. addfb race.
+	 * intel_parent_frontbuffer_get() must be done before
+	 * intel_bo_framebuffer_init() to avoid set_tiling vs. addfb race.
 	 */
-	intel_fb->frontbuffer = intel_frontbuffer_get(obj);
+	intel_fb->frontbuffer = intel_parent_frontbuffer_get(display, obj);
 	if (!intel_fb->frontbuffer) {
 		ret = -ENOMEM;
 		goto err_free_panic;
 	}
 
-	ret = intel_fb_bo_framebuffer_init(obj, mode_cmd);
+	ret = intel_bo_framebuffer_init(obj, mode_cmd);
 	if (ret)
 		goto err_frontbuffer_put;
 
@@ -2304,16 +2303,21 @@ int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
 		goto err_bo_framebuffer_fini;
 
 	if (intel_fb_uses_dpt(fb)) {
-		struct i915_address_space *vm;
+		struct drm_gem_object *obj = intel_fb_bo(&intel_fb->base);
+		struct intel_dpt *dpt;
+		size_t size = 0;
 
-		vm = intel_dpt_create(intel_fb);
-		if (IS_ERR(vm)) {
+		if (intel_fb_needs_pot_stride_remap(intel_fb))
+			size = intel_remapped_info_size(&intel_fb->remapped_view.gtt.remapped);
+
+		dpt = intel_parent_dpt_create(display, obj, size);
+		if (IS_ERR(dpt)) {
 			drm_dbg_kms(display->drm, "failed to create DPT\n");
-			ret = PTR_ERR(vm);
+			ret = PTR_ERR(dpt);
 			goto err_frontbuffer_put;
 		}
 
-		intel_fb->dpt_vm = vm;
+		intel_fb->dpt = dpt;
 	}
 
 	ret = drm_framebuffer_init(display->drm, fb, &intel_fb_funcs);
@@ -2326,11 +2330,11 @@ int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
 
 err_free_dpt:
 	if (intel_fb_uses_dpt(fb))
-		intel_dpt_destroy(intel_fb->dpt_vm);
+		intel_parent_dpt_destroy(display, intel_fb->dpt);
 err_bo_framebuffer_fini:
-	intel_fb_bo_framebuffer_fini(obj);
+	intel_bo_framebuffer_fini(obj);
 err_frontbuffer_put:
-	intel_frontbuffer_put(intel_fb->frontbuffer);
+	intel_parent_frontbuffer_put(display, intel_fb->frontbuffer);
 err_free_panic:
 	kfree(intel_fb->panic);
 
@@ -2343,11 +2347,12 @@ intel_user_framebuffer_create(struct drm_device *dev,
 			      const struct drm_format_info *info,
 			      const struct drm_mode_fb_cmd2 *user_mode_cmd)
 {
+	struct intel_display *display = to_intel_display(dev);
 	struct drm_framebuffer *fb;
 	struct drm_gem_object *obj;
 	struct drm_mode_fb_cmd2 mode_cmd = *user_mode_cmd;
 
-	obj = intel_fb_bo_lookup_valid_bo(dev, filp, &mode_cmd);
+	obj = intel_bo_framebuffer_lookup(display, filp, &mode_cmd);
 	if (IS_ERR(obj))
 		return ERR_CAST(obj);
 
diff --git a/drivers/gpu/drm/i915/display/intel_fb_bo.c b/drivers/gpu/drm/i915/display/intel_fb_bo.c
deleted file mode 100644
index bfecd73d5fa0..000000000000
--- a/drivers/gpu/drm/i915/display/intel_fb_bo.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2021 Intel Corporation
- */
-
-#include <drm/drm_framebuffer.h>
-#include <drm/drm_print.h>
-
-#include "gem/i915_gem_object.h"
-
-#include "i915_drv.h"
-#include "intel_display_core.h"
-#include "intel_display_types.h"
-#include "intel_fb.h"
-#include "intel_fb_bo.h"
-
-void intel_fb_bo_framebuffer_fini(struct drm_gem_object *obj)
-{
-	/* Nothing to do for i915 */
-}
-
-int intel_fb_bo_framebuffer_init(struct drm_gem_object *_obj,
-				 struct drm_mode_fb_cmd2 *mode_cmd)
-{
-	struct drm_i915_gem_object *obj = to_intel_bo(_obj);
-	struct intel_display *display = to_intel_display(obj->base.dev);
-	unsigned int tiling, stride;
-
-	i915_gem_object_lock(obj, NULL);
-	tiling = i915_gem_object_get_tiling(obj);
-	stride = i915_gem_object_get_stride(obj);
-	i915_gem_object_unlock(obj);
-
-	if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) {
-		/*
-		 * If there's a fence, enforce that
-		 * the fb modifier and tiling mode match.
-		 */
-		if (tiling != I915_TILING_NONE &&
-		    tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) {
-			drm_dbg_kms(display->drm,
-				    "tiling_mode doesn't match fb modifier\n");
-			return -EINVAL;
-		}
-	} else {
-		if (tiling == I915_TILING_X) {
-			mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED;
-		} else if (tiling == I915_TILING_Y) {
-			drm_dbg_kms(display->drm,
-				    "No Y tiling for legacy addfb\n");
-			return -EINVAL;
-		}
-	}
-
-	/*
-	 * gen2/3 display engine uses the fence if present,
-	 * so the tiling mode must match the fb modifier exactly.
-	 */
-	if (DISPLAY_VER(display) < 4 &&
-	    tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) {
-		drm_dbg_kms(display->drm,
-			    "tiling_mode must match fb modifier exactly on gen2/3\n");
-		return -EINVAL;
-	}
-
-	/*
-	 * If there's a fence, enforce that
-	 * the fb pitch and fence stride match.
-	 */
-	if (tiling != I915_TILING_NONE && mode_cmd->pitches[0] != stride) {
-		drm_dbg_kms(display->drm,
-			    "pitch (%d) must match tiling stride (%d)\n",
-			    mode_cmd->pitches[0], stride);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-struct drm_gem_object *
-intel_fb_bo_lookup_valid_bo(struct drm_device *drm,
-			    struct drm_file *filp,
-			    const struct drm_mode_fb_cmd2 *mode_cmd)
-{
-	struct drm_i915_private *i915 = to_i915(drm);
-	struct drm_i915_gem_object *obj;
-
-	obj = i915_gem_object_lookup(filp, mode_cmd->handles[0]);
-	if (!obj)
-		return ERR_PTR(-ENOENT);
-
-	/* object is backed with LMEM for discrete */
-	if (HAS_LMEM(i915) && !i915_gem_object_can_migrate(obj, INTEL_REGION_LMEM_0)) {
-		/* object is "remote", not in local memory */
-		i915_gem_object_put(obj);
-		drm_dbg_kms(&i915->drm, "framebuffer must reside in local memory\n");
-		return ERR_PTR(-EREMOTE);
-	}
-
-	return intel_bo_to_drm_bo(obj);
-}
diff --git a/drivers/gpu/drm/i915/display/intel_fb_bo.h b/drivers/gpu/drm/i915/display/intel_fb_bo.h
deleted file mode 100644
index d775773c6c03..000000000000
--- a/drivers/gpu/drm/i915/display/intel_fb_bo.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2021 Intel Corporation
- */
-
-#ifndef __INTEL_FB_BO_H__
-#define __INTEL_FB_BO_H__
-
-struct drm_device;
-struct drm_file;
-struct drm_framebuffer;
-struct drm_gem_object;
-struct drm_mode_fb_cmd2;
-
-void intel_fb_bo_framebuffer_fini(struct drm_gem_object *obj);
-
-int intel_fb_bo_framebuffer_init(struct drm_gem_object *obj,
-				 struct drm_mode_fb_cmd2 *mode_cmd);
-
-struct drm_gem_object *
-intel_fb_bo_lookup_valid_bo(struct drm_device *drm,
-			    struct drm_file *filp,
-			    const struct drm_mode_fb_cmd2 *user_mode_cmd);
-
-#endif
diff --git a/drivers/gpu/drm/i915/display/intel_fb_pin.c b/drivers/gpu/drm/i915/display/intel_fb_pin.c
index 7249b784fbba..738d77a1468a 100644
--- a/drivers/gpu/drm/i915/display/intel_fb_pin.c
+++ b/drivers/gpu/drm/i915/display/intel_fb_pin.c
@@ -17,7 +17,7 @@
 #include "intel_display_core.h"
 #include "intel_display_rpm.h"
 #include "intel_display_types.h"
-#include "intel_dpt.h"
+#include "i915_dpt.h"
 #include "intel_fb.h"
 #include "intel_fb_pin.h"
 #include "intel_plane.h"
@@ -27,13 +27,14 @@ intel_fb_pin_to_dpt(const struct drm_framebuffer *fb,
 		    const struct i915_gtt_view *view,
 		    unsigned int alignment,
 		    unsigned long *out_flags,
-		    struct i915_address_space *vm)
+		    struct intel_dpt *dpt)
 {
 	struct drm_device *dev = fb->dev;
 	struct intel_display *display = to_intel_display(dev);
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct drm_gem_object *_obj = intel_fb_bo(fb);
 	struct drm_i915_gem_object *obj = to_intel_bo(_obj);
+	struct i915_address_space *vm = i915_dpt_to_vm(dpt);
 	struct i915_gem_ww_ctx ww;
 	struct i915_vma *vma;
 	int ret;
@@ -284,7 +285,7 @@ int intel_plane_pin_fb(struct intel_plane_state *plane_state,
 	} else {
 		unsigned int alignment = intel_plane_fb_min_alignment(plane_state);
 
-		vma = intel_dpt_pin_to_ggtt(fb->dpt_vm, alignment / 512);
+		vma = i915_dpt_pin_to_ggtt(fb->dpt, alignment / 512);
 		if (IS_ERR(vma))
 			return PTR_ERR(vma);
 
@@ -292,9 +293,9 @@ int intel_plane_pin_fb(struct intel_plane_state *plane_state,
 
 		vma = intel_fb_pin_to_dpt(&fb->base, &plane_state->view.gtt,
 					  alignment, &plane_state->flags,
-					  fb->dpt_vm);
+					  fb->dpt);
 		if (IS_ERR(vma)) {
-			intel_dpt_unpin_from_ggtt(fb->dpt_vm);
+			i915_dpt_unpin_from_ggtt(fb->dpt);
 			plane_state->ggtt_vma = NULL;
 			return PTR_ERR(vma);
 		}
@@ -307,7 +308,7 @@ int intel_plane_pin_fb(struct intel_plane_state *plane_state,
 		 * The DPT object contains only one vma, and there is no VT-d
 		 * guard, so the VMA's offset within the DPT is always 0.
 		 */
-		drm_WARN_ON(display->drm, intel_dpt_offset(plane_state->dpt_vma));
+		drm_WARN_ON(display->drm, i915_dpt_offset(plane_state->dpt_vma));
 	}
 
 	/*
@@ -346,7 +347,7 @@ void intel_plane_unpin_fb(struct intel_plane_state *old_plane_state)
 
 		vma = fetch_and_zero(&old_plane_state->ggtt_vma);
 		if (vma)
-			intel_dpt_unpin_from_ggtt(fb->dpt_vm);
+			i915_dpt_unpin_from_ggtt(fb->dpt);
 	}
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 91de38379282..ea0ce00c8474 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -45,7 +45,6 @@
 #include <drm/drm_fourcc.h>
 #include <drm/drm_print.h>
 
-#include "i915_vma.h"
 #include "i9xx_plane_regs.h"
 #include "intel_de.h"
 #include "intel_display_device.h"
@@ -184,7 +183,7 @@ static unsigned int skl_fbc_min_cfb_stride(struct intel_display *display,
 	 * Wa_16011863758: icl+
 	 * Avoid some hardware segment address miscalculation.
 	 */
-	if (DISPLAY_VER(display) >= 11)
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_16011863758))
 		stride += 64;
 
 	/*
@@ -950,7 +949,7 @@ static void intel_fbc_program_workarounds(struct intel_fbc *fbc)
 	}
 
 	/* Wa_1409120013:icl,jsl,tgl,dg1 */
-	if (IS_DISPLAY_VER(display, 11, 12))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_1409120013))
 		intel_de_rmw(display, ILK_DPFC_CHICKEN(fbc->id),
 			     0, DPFC_CHICKEN_COMP_DUMMY_PIXEL);
 	/*
@@ -958,7 +957,7 @@ static void intel_fbc_program_workarounds(struct intel_fbc *fbc)
 	 * Fixes: Screen flicker with FBC and Package C state enabled
 	 * Workaround: Forced SLB invalidation before start of new frame.
 	 */
-	if (intel_display_wa(display, 22014263786))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_22014263786))
 		intel_de_rmw(display, ILK_DPFC_CHICKEN(fbc->id),
 			     0, DPFC_CHICKEN_FORCE_SLB_INVALIDATION);
 
@@ -980,7 +979,7 @@ static void fbc_sys_cache_update_config(struct intel_display *display, u32 reg,
 	 * Fixes: SoC hardware issue in read caching
 	 * Workaround: disable cache read setting which is enabled by default.
 	 */
-	if (!intel_display_wa(display, 14025769978))
+	if (!intel_display_wa(display, INTEL_DISPLAY_WA_14025769978))
 		/* Cache read enable is set by default */
 		reg |= FBC_SYS_CACHE_READ_ENABLE;
 
@@ -1463,7 +1462,7 @@ static void intel_fbc_update_state(struct intel_atomic_state *state,
 		    !intel_fbc_has_fences(display));
 
 	if (plane_state->flags & PLANE_HAS_FENCE)
-		fbc_state->fence_id =  i915_vma_fence_id(plane_state->ggtt_vma);
+		fbc_state->fence_id = intel_parent_vma_fence_id(display, plane_state->ggtt_vma);
 	else
 		fbc_state->fence_id = -1;
 
@@ -1490,7 +1489,7 @@ static bool intel_fbc_is_fence_ok(const struct intel_plane_state *plane_state)
 	 */
 	return DISPLAY_VER(display) >= 9 ||
 		(plane_state->flags & PLANE_HAS_FENCE &&
-		 i915_vma_fence_id(plane_state->ggtt_vma) != -1);
+		 intel_parent_vma_fence_id(display, plane_state->ggtt_vma) != -1);
 }
 
 static bool intel_fbc_is_cfb_ok(const struct intel_plane_state *plane_state)
@@ -1613,7 +1612,7 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state,
 		return 0;
 	}
 
-	if (intel_display_wa(display, 16023588340)) {
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_16023588340)) {
 		plane_state->no_fbc_reason = "Wa_16023588340";
 		return 0;
 	}
@@ -1623,7 +1622,7 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state,
 	 * Fixes: Underrun during media decode
 	 * Workaround: Do not enable FBC
 	 */
-	if (intel_display_wa(display, 15018326506)) {
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_15018326506)) {
 		plane_state->no_fbc_reason = "Wa_15018326506";
 		return 0;
 	}
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c
index 44f4fcce526e..bdaaf3edba0c 100644
--- a/drivers/gpu/drm/i915/display/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
@@ -47,7 +47,6 @@
 #include <drm/drm_managed.h>
 #include <drm/drm_print.h>
 
-#include "i915_vma.h"
 #include "intel_bo.h"
 #include "intel_display_core.h"
 #include "intel_display_rpm.h"
@@ -343,9 +342,7 @@ int intel_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper,
 
 	/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
 
-	drm_dbg_kms(display->drm, "allocated %dx%d fb: 0x%08x\n",
-		    fb->base.width, fb->base.height,
-		    i915_ggtt_offset(vma));
+	drm_dbg_kms(display->drm, "allocated %dx%d fb\n", fb->base.width, fb->base.height);
 	ifbdev->fb = fb;
 	ifbdev->vma = vma;
 	ifbdev->vma_flags = flags;
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev_fb.c b/drivers/gpu/drm/i915/display/intel_fbdev_fb.c
index c3202ba141c5..6f84eb6355de 100644
--- a/drivers/gpu/drm/i915/display/intel_fbdev_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fbdev_fb.c
@@ -17,28 +17,40 @@ u32 intel_fbdev_fb_pitch_align(u32 stride)
 	return ALIGN(stride, 64);
 }
 
+bool intel_fbdev_fb_prefer_stolen(struct drm_device *drm, unsigned int size)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+
+	/* Skip stolen on MTL as Wa_22018444074 mitigation. */
+	if (IS_METEORLAKE(i915))
+		return false;
+
+	/*
+	 * If the FB is too big, just don't use it since fbdev is not very
+	 * important and we should probably use that space with FBC or other
+	 * features.
+	 */
+	return i915->dsm.usable_size >= size * 2;
+}
+
 struct drm_gem_object *intel_fbdev_fb_bo_create(struct drm_device *drm, int size)
 {
-	struct drm_i915_private *dev_priv = to_i915(drm);
+	struct drm_i915_private *i915 = to_i915(drm);
 	struct drm_i915_gem_object *obj;
 
 	obj = ERR_PTR(-ENODEV);
-	if (HAS_LMEM(dev_priv)) {
-		obj = i915_gem_object_create_lmem(dev_priv, size,
+	if (HAS_LMEM(i915)) {
+		obj = i915_gem_object_create_lmem(i915, size,
 						  I915_BO_ALLOC_CONTIGUOUS |
 						  I915_BO_ALLOC_USER);
 	} else {
-		/*
-		 * If the FB is too big, just don't use it since fbdev is not very
-		 * important and we should probably use that space with FBC or other
-		 * features.
-		 *
-		 * Also skip stolen on MTL as Wa_22018444074 mitigation.
-		 */
-		if (!IS_METEORLAKE(dev_priv) && size * 2 < dev_priv->dsm.usable_size)
-			obj = i915_gem_object_create_stolen(dev_priv, size);
+		if (intel_fbdev_fb_prefer_stolen(drm, size))
+			obj = i915_gem_object_create_stolen(i915, size);
+		else
+			drm_info(drm, "Allocating fbdev: Stolen memory not preferred.\n");
+
 		if (IS_ERR(obj))
-			obj = i915_gem_object_create_shmem(dev_priv, size);
+			obj = i915_gem_object_create_shmem(i915, size);
 	}
 
 	if (IS_ERR(obj)) {
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev_fb.h b/drivers/gpu/drm/i915/display/intel_fbdev_fb.h
index fd0b3775dc1f..34ed2b9c2b4f 100644
--- a/drivers/gpu/drm/i915/display/intel_fbdev_fb.h
+++ b/drivers/gpu/drm/i915/display/intel_fbdev_fb.h
@@ -19,5 +19,6 @@ struct drm_gem_object *intel_fbdev_fb_bo_create(struct drm_device *drm, int size
 void intel_fbdev_fb_bo_destroy(struct drm_gem_object *obj);
 int intel_fbdev_fb_fill_info(struct drm_device *drm, struct fb_info *info,
 			     struct drm_gem_object *obj, struct i915_vma *vma);
+bool intel_fbdev_fb_prefer_stolen(struct drm_device *drm, unsigned int size);
 
 #endif
diff --git a/drivers/gpu/drm/i915/display/intel_fdi.c b/drivers/gpu/drm/i915/display/intel_fdi.c
index 5bb0090dd5ed..24ce8a7842c7 100644
--- a/drivers/gpu/drm/i915/display/intel_fdi.c
+++ b/drivers/gpu/drm/i915/display/intel_fdi.c
@@ -8,7 +8,6 @@
 #include <drm/drm_fixed.h>
 #include <drm/drm_print.h>
 
-#include "i915_reg.h"
 #include "intel_atomic.h"
 #include "intel_crtc.h"
 #include "intel_ddi.h"
diff --git a/drivers/gpu/drm/i915/display/intel_fifo_underrun.c b/drivers/gpu/drm/i915/display/intel_fifo_underrun.c
index b413b3e871d8..bf047180def9 100644
--- a/drivers/gpu/drm/i915/display/intel_fifo_underrun.c
+++ b/drivers/gpu/drm/i915/display/intel_fifo_underrun.c
@@ -29,7 +29,6 @@
 
 #include <drm/drm_print.h>
 
-#include "i915_reg.h"
 #include "intel_de.h"
 #include "intel_display_irq.h"
 #include "intel_display_regs.h"
diff --git a/drivers/gpu/drm/i915/display/intel_flipq.c b/drivers/gpu/drm/i915/display/intel_flipq.c
index 1e9550cb66a3..253dc2e96d2d 100644
--- a/drivers/gpu/drm/i915/display/intel_flipq.c
+++ b/drivers/gpu/drm/i915/display/intel_flipq.c
@@ -12,6 +12,7 @@
 #include "intel_display_core.h"
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
+#include "intel_display_wa.h"
 #include "intel_dmc.h"
 #include "intel_dmc_regs.h"
 #include "intel_dsb.h"
@@ -447,19 +448,11 @@ void intel_flipq_add(struct intel_crtc *crtc,
 	intel_flipq_sw_dmc_wake(crtc);
 }
 
-/* Wa_18034343758 */
-static bool need_dmc_halt_wa(struct intel_display *display)
-{
-	return DISPLAY_VER(display) == 20 ||
-		(display->platform.pantherlake &&
-		 IS_DISPLAY_STEP(display, STEP_A0, STEP_B0));
-}
-
 void intel_flipq_wait_dmc_halt(struct intel_dsb *dsb, struct intel_crtc *crtc)
 {
 	struct intel_display *display = to_intel_display(crtc);
 
-	if (need_dmc_halt_wa(display))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_18034343758))
 		intel_dsb_wait_usec(dsb, 2);
 }
 
@@ -467,6 +460,6 @@ void intel_flipq_unhalt_dmc(struct intel_dsb *dsb, struct intel_crtc *crtc)
 {
 	struct intel_display *display = to_intel_display(crtc);
 
-	if (need_dmc_halt_wa(display))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_18034343758))
 		intel_dsb_reg_write(dsb, PIPEDMC_CTL(crtc->pipe), 0);
 }
diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.c b/drivers/gpu/drm/i915/display/intel_frontbuffer.c
index 03c4978fa5ec..705742e117ca 100644
--- a/drivers/gpu/drm/i915/display/intel_frontbuffer.c
+++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.c
@@ -58,13 +58,13 @@
 #include <drm/drm_gem.h>
 #include <drm/drm_print.h>
 
-#include "intel_bo.h"
 #include "intel_display_trace.h"
 #include "intel_display_types.h"
 #include "intel_dp.h"
 #include "intel_drrs.h"
 #include "intel_fbc.h"
 #include "intel_frontbuffer.h"
+#include "intel_parent.h"
 #include "intel_psr.h"
 #include "intel_tdf.h"
 
@@ -123,9 +123,9 @@ void intel_frontbuffer_flip(struct intel_display *display,
 	frontbuffer_flush(display, frontbuffer_bits, ORIGIN_FLIP);
 }
 
-void __intel_fb_invalidate(struct intel_frontbuffer *front,
-			   enum fb_op_origin origin,
-			   unsigned int frontbuffer_bits)
+void __intel_frontbuffer_invalidate(struct intel_frontbuffer *front,
+				    enum fb_op_origin origin,
+				    unsigned int frontbuffer_bits)
 {
 	struct intel_display *display = front->display;
 
@@ -143,14 +143,14 @@ void __intel_fb_invalidate(struct intel_frontbuffer *front,
 	intel_fbc_invalidate(display, frontbuffer_bits, origin);
 }
 
-void __intel_fb_flush(struct intel_frontbuffer *front,
-		      enum fb_op_origin origin,
-		      unsigned int frontbuffer_bits)
+void __intel_frontbuffer_flush(struct intel_frontbuffer *front,
+			       enum fb_op_origin origin,
+			       unsigned int frontbuffer_bits)
 {
 	struct intel_display *display = front->display;
 
 	if (origin == ORIGIN_DIRTYFB)
-		intel_bo_frontbuffer_flush_for_display(front);
+		intel_parent_frontbuffer_flush_for_display(display, front);
 
 	if (origin == ORIGIN_CS) {
 		spin_lock(&display->fb_tracking.lock);
@@ -164,18 +164,13 @@ void __intel_fb_flush(struct intel_frontbuffer *front,
 		frontbuffer_flush(display, frontbuffer_bits, origin);
 }
 
-static void intel_frontbuffer_ref(struct intel_frontbuffer *front)
-{
-	intel_bo_frontbuffer_ref(front);
-}
-
 static void intel_frontbuffer_flush_work(struct work_struct *work)
 {
 	struct intel_frontbuffer *front =
 		container_of(work, struct intel_frontbuffer, flush_work);
 
 	intel_frontbuffer_flush(front, ORIGIN_DIRTYFB);
-	intel_frontbuffer_put(front);
+	intel_parent_frontbuffer_put(front->display, front);
 }
 
 /**
@@ -190,9 +185,9 @@ void intel_frontbuffer_queue_flush(struct intel_frontbuffer *front)
 	if (!front)
 		return;
 
-	intel_frontbuffer_ref(front);
+	intel_parent_frontbuffer_ref(front->display, front);
 	if (!schedule_work(&front->flush_work))
-		intel_frontbuffer_put(front);
+		intel_parent_frontbuffer_put(front->display, front);
 }
 
 void intel_frontbuffer_init(struct intel_frontbuffer *front, struct drm_device *drm)
@@ -207,16 +202,6 @@ void intel_frontbuffer_fini(struct intel_frontbuffer *front)
 	drm_WARN_ON(front->display->drm, atomic_read(&front->bits));
 }
 
-struct intel_frontbuffer *intel_frontbuffer_get(struct drm_gem_object *obj)
-{
-	return intel_bo_frontbuffer_get(obj);
-}
-
-void intel_frontbuffer_put(struct intel_frontbuffer *front)
-{
-	intel_bo_frontbuffer_put(front);
-}
-
 /**
  * intel_frontbuffer_track - update frontbuffer tracking
  * @old: current buffer for the frontbuffer slots
diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.h b/drivers/gpu/drm/i915/display/intel_frontbuffer.h
index 22677acb4c06..a89ce352b12b 100644
--- a/drivers/gpu/drm/i915/display/intel_frontbuffer.h
+++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.h
@@ -66,14 +66,9 @@ struct intel_frontbuffer {
 void intel_frontbuffer_flip(struct intel_display *display,
 			    unsigned frontbuffer_bits);
 
-void intel_frontbuffer_put(struct intel_frontbuffer *front);
-
-struct intel_frontbuffer *
-intel_frontbuffer_get(struct drm_gem_object *obj);
-
-void __intel_fb_invalidate(struct intel_frontbuffer *front,
-			   enum fb_op_origin origin,
-			   unsigned int frontbuffer_bits);
+void __intel_frontbuffer_invalidate(struct intel_frontbuffer *front,
+				    enum fb_op_origin origin,
+				    unsigned int frontbuffer_bits);
 
 /**
  * intel_frontbuffer_invalidate - invalidate frontbuffer object
@@ -98,13 +93,13 @@ static inline bool intel_frontbuffer_invalidate(struct intel_frontbuffer *front,
 	if (!frontbuffer_bits)
 		return false;
 
-	__intel_fb_invalidate(front, origin, frontbuffer_bits);
+	__intel_frontbuffer_invalidate(front, origin, frontbuffer_bits);
 	return true;
 }
 
-void __intel_fb_flush(struct intel_frontbuffer *front,
-		      enum fb_op_origin origin,
-		      unsigned int frontbuffer_bits);
+void __intel_frontbuffer_flush(struct intel_frontbuffer *front,
+			       enum fb_op_origin origin,
+			       unsigned int frontbuffer_bits);
 
 /**
  * intel_frontbuffer_flush - flush frontbuffer object
@@ -126,7 +121,7 @@ static inline void intel_frontbuffer_flush(struct intel_frontbuffer *front,
 	if (!frontbuffer_bits)
 		return;
 
-	__intel_fb_flush(front, origin, frontbuffer_bits);
+	__intel_frontbuffer_flush(front, origin, frontbuffer_bits);
 }
 
 void intel_frontbuffer_queue_flush(struct intel_frontbuffer *front);
diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.c b/drivers/gpu/drm/i915/display/intel_gmbus.c
index a7bce0c6a17e..df48f27f1cc1 100644
--- a/drivers/gpu/drm/i915/display/intel_gmbus.c
+++ b/drivers/gpu/drm/i915/display/intel_gmbus.c
@@ -35,7 +35,6 @@
 #include <drm/drm_print.h>
 #include <drm/display/drm_hdcp_helper.h>
 
-#include "i915_reg.h"
 #include "intel_de.h"
 #include "intel_display_regs.h"
 #include "intel_display_types.h"
@@ -251,7 +250,7 @@ static u32 get_reserved(struct intel_gmbus *bus)
 	preserve_bits |= GPIO_DATA_PULLUP_DISABLE | GPIO_CLOCK_PULLUP_DISABLE;
 
 	/* Wa_16025573575: the masks bits need to be preserved through out */
-	if (intel_display_wa(display, 16025573575))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_16025573575))
 		preserve_bits |= GPIO_CLOCK_DIR_MASK | GPIO_CLOCK_VAL_MASK |
 				 GPIO_DATA_DIR_MASK | GPIO_DATA_VAL_MASK;
 
@@ -343,7 +342,7 @@ intel_gpio_pre_xfer(struct i2c_adapter *adapter)
 	if (display->platform.pineview)
 		pnv_gmbus_clock_gating(display, false);
 
-	if (intel_display_wa(display, 16025573575))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_16025573575))
 		ptl_handle_mask_bits(bus, true);
 
 	set_data(bus, 1);
@@ -364,7 +363,7 @@ intel_gpio_post_xfer(struct i2c_adapter *adapter)
 	if (display->platform.pineview)
 		pnv_gmbus_clock_gating(display, true);
 
-	if (intel_display_wa(display, 16025573575))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_16025573575))
 		ptl_handle_mask_bits(bus, false);
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index 555d35bae887..892eab4b6f92 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -17,8 +17,8 @@
 #include <drm/display/drm_hdcp_helper.h>
 #include <drm/drm_print.h>
 #include <drm/intel/i915_component.h>
+#include <drm/intel/intel_pcode_regs.h>
 
-#include "i915_reg.h"
 #include "intel_connector.h"
 #include "intel_de.h"
 #include "intel_display_jiffies.h"
@@ -33,7 +33,6 @@
 #include "intel_hdcp_regs.h"
 #include "intel_hdcp_shim.h"
 #include "intel_parent.h"
-#include "intel_pcode.h"
 #include "intel_step.h"
 
 #define USE_HDCP_GSC(__display)		(DISPLAY_VER(__display) >= 14)
@@ -76,7 +75,6 @@ static int intel_conn_to_vcpi(struct intel_atomic_state *state,
 	struct drm_dp_mst_topology_mgr *mgr;
 	struct drm_dp_mst_atomic_payload *payload;
 	struct drm_dp_mst_topology_state *mst_state;
-	int vcpi = 0;
 
 	/* For HDMI this is forced to be 0x0. For DP SST also this is 0x0. */
 	if (!connector->mst.port)
@@ -87,15 +85,9 @@ static int intel_conn_to_vcpi(struct intel_atomic_state *state,
 	mst_state = to_drm_dp_mst_topology_state(mgr->base.state);
 	payload = drm_atomic_get_mst_payload_state(mst_state, connector->mst.port);
 	if (drm_WARN_ON(mgr->dev, !payload))
-		goto out;
+		return 0;
 
-	vcpi = payload->vcpi;
-	if (drm_WARN_ON(mgr->dev, vcpi < 0)) {
-		vcpi = 0;
-		goto out;
-	}
-out:
-	return vcpi;
+	return payload->vcpi;
 }
 
 /*
@@ -398,7 +390,7 @@ static int intel_hdcp_load_keys(struct intel_display *display)
 	 * Mailbox interface.
 	 */
 	if (DISPLAY_VER(display) == 9 && !display->platform.broxton) {
-		ret = intel_pcode_write(display->drm, SKL_PCODE_LOAD_HDCP_KEYS, 1);
+		ret = intel_parent_pcode_write(display, SKL_PCODE_LOAD_HDCP_KEYS, 1);
 		if (ret) {
 			drm_err(display->drm,
 				"Failed to initiate HDCP key load (%d)\n",
@@ -2239,7 +2231,7 @@ static void intel_hdcp_check_work(struct work_struct *work)
 	if (drm_connector_is_unregistered(&connector->base))
 		return;
 
-	if (!intel_hdcp2_check_link(connector))
+	if (!hdcp->force_hdcp14 && !intel_hdcp2_check_link(connector))
 		queue_delayed_work(display->wq.unordered, &hdcp->check_work,
 				   DRM_HDCP2_CHECK_PERIOD_MS);
 	else if (!intel_hdcp_check_link(connector))
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 055e68810d0d..05e898d10a2b 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -56,6 +56,7 @@
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
 #include "intel_dp.h"
+#include "intel_dpll.h"
 #include "intel_gmbus.h"
 #include "intel_hdcp.h"
 #include "intel_hdcp_regs.h"
@@ -70,16 +71,14 @@
 
 bool intel_hdmi_is_frl(u32 clock)
 {
-	switch (clock) {
-	case 300000: /* 3 Gbps */
-	case 600000: /* 6 Gbps */
-	case 800000: /* 8 Gbps */
-	case 1000000: /* 10 Gbps */
-	case 1200000: /* 12 Gbps */
-		return true;
-	default:
-		return false;
-	}
+	u32 rates[] = { 300000, 600000, 800000, 1000000, 1200000 };
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(rates); i++)
+		if (intel_dpll_clock_matches(clock, rates[i]))
+			return true;
+
+	return false;
 }
 
 static void
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug_irq.c b/drivers/gpu/drm/i915/display/intel_hotplug_irq.c
index 82c39e4ffa37..8865cb2ac569 100644
--- a/drivers/gpu/drm/i915/display/intel_hotplug_irq.c
+++ b/drivers/gpu/drm/i915/display/intel_hotplug_irq.c
@@ -5,7 +5,6 @@
 
 #include <drm/drm_print.h>
 
-#include "i915_reg.h"
 #include "intel_de.h"
 #include "intel_display_irq.h"
 #include "intel_display_regs.h"
diff --git a/drivers/gpu/drm/i915/display/intel_lt_phy.c b/drivers/gpu/drm/i915/display/intel_lt_phy.c
index 6cdae03ee172..eced8493e566 100644
--- a/drivers/gpu/drm/i915/display/intel_lt_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_lt_phy.c
@@ -5,7 +5,6 @@
 
 #include <drm/drm_print.h>
 
-#include "i915_reg.h"
 #include "intel_cx0_phy.h"
 #include "intel_cx0_phy_regs.h"
 #include "intel_ddi.h"
@@ -14,6 +13,7 @@
 #include "intel_display.h"
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
+#include "intel_dpll.h"
 #include "intel_dpll_mgr.h"
 #include "intel_hdmi.h"
 #include "intel_lt_phy.h"
@@ -60,7 +60,6 @@ struct lt_phy_params {
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_rbr = {
-	.clock = 162000,
 	.config = {
 		0x83,
 		0x2d,
@@ -114,7 +113,6 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_rbr = {
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_hbr1 = {
-	.clock = 270000,
 	.config = {
 		0x8b,
 		0x2d,
@@ -168,7 +166,6 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_hbr1 = {
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_hbr2 = {
-	.clock = 540000,
 	.config = {
 		0x93,
 		0x2d,
@@ -222,7 +219,6 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_hbr2 = {
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_hbr3 = {
-	.clock = 810000,
 	.config = {
 		0x9b,
 		0x2d,
@@ -276,7 +272,6 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_hbr3 = {
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_uhbr10 = {
-	.clock = 1000000,
 	.config = {
 		0x43,
 		0x2d,
@@ -330,7 +325,6 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_uhbr10 = {
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_uhbr13_5 = {
-	.clock = 1350000,
 	.config = {
 		0xcb,
 		0x2d,
@@ -384,7 +378,6 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_uhbr13_5 = {
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_uhbr20 = {
-	.clock = 2000000,
 	.config = {
 		0x53,
 		0x2d,
@@ -437,19 +430,35 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_dp_uhbr20 = {
 	},
 };
 
-static const struct intel_lt_phy_pll_state * const xe3plpd_lt_dp_tables[] = {
-	&xe3plpd_lt_dp_rbr,
-	&xe3plpd_lt_dp_hbr1,
-	&xe3plpd_lt_dp_hbr2,
-	&xe3plpd_lt_dp_hbr3,
-	&xe3plpd_lt_dp_uhbr10,
-	&xe3plpd_lt_dp_uhbr13_5,
-	&xe3plpd_lt_dp_uhbr20,
-	NULL,
+struct intel_lt_phy_pll_params {
+	const char *name;
+	bool is_hdmi;
+	int clock_rate;
+	const struct intel_lt_phy_pll_state *state;
+};
+
+#define __LT_PHY_PLL_PARAMS(__is_hdmi, __clock_rate, __state)    { \
+	.name = __stringify(__state), \
+	.is_hdmi = __is_hdmi, \
+	.clock_rate = __clock_rate, \
+	.state = &__state, \
+}
+
+#define LT_PHY_PLL_HDMI_PARAMS(__clock_rate, __state)	__LT_PHY_PLL_PARAMS(true, __clock_rate, __state)
+#define LT_PHY_PLL_DP_PARAMS(__clock_rate, __state)	__LT_PHY_PLL_PARAMS(false, __clock_rate, __state)
+
+static const struct intel_lt_phy_pll_params xe3plpd_lt_dp_tables[] = {
+	LT_PHY_PLL_DP_PARAMS(162000, xe3plpd_lt_dp_rbr),
+	LT_PHY_PLL_DP_PARAMS(270000, xe3plpd_lt_dp_hbr1),
+	LT_PHY_PLL_DP_PARAMS(540000, xe3plpd_lt_dp_hbr2),
+	LT_PHY_PLL_DP_PARAMS(810000, xe3plpd_lt_dp_hbr3),
+	LT_PHY_PLL_DP_PARAMS(1000000, xe3plpd_lt_dp_uhbr10),
+	LT_PHY_PLL_DP_PARAMS(1350000, xe3plpd_lt_dp_uhbr13_5),
+	LT_PHY_PLL_DP_PARAMS(2000000, xe3plpd_lt_dp_uhbr20),
+	{}
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_2_16 = {
-	.clock = 216000,
 	.config = {
 		0xa3,
 		0x2d,
@@ -503,7 +512,6 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_2_16 = {
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_2_43 = {
-	.clock = 243000,
 	.config = {
 		0xab,
 		0x2d,
@@ -557,7 +565,6 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_2_43 = {
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_3_24 = {
-	.clock = 324000,
 	.config = {
 		0xb3,
 		0x2d,
@@ -611,7 +618,6 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_3_24 = {
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_4_32 = {
-	.clock = 432000,
 	.config = {
 		0xbb,
 		0x2d,
@@ -665,7 +671,6 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_4_32 = {
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_6_75 = {
-	.clock = 675000,
 	.config = {
 		0xdb,
 		0x2d,
@@ -718,21 +723,20 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_edp_6_75 = {
 	},
 };
 
-static const struct intel_lt_phy_pll_state * const xe3plpd_lt_edp_tables[] = {
-	&xe3plpd_lt_dp_rbr,
-	&xe3plpd_lt_edp_2_16,
-	&xe3plpd_lt_edp_2_43,
-	&xe3plpd_lt_dp_hbr1,
-	&xe3plpd_lt_edp_3_24,
-	&xe3plpd_lt_edp_4_32,
-	&xe3plpd_lt_dp_hbr2,
-	&xe3plpd_lt_edp_6_75,
-	&xe3plpd_lt_dp_hbr3,
-	NULL,
+static const struct intel_lt_phy_pll_params xe3plpd_lt_edp_tables[] = {
+	LT_PHY_PLL_DP_PARAMS(162000, xe3plpd_lt_dp_rbr),
+	LT_PHY_PLL_DP_PARAMS(216000, xe3plpd_lt_edp_2_16),
+	LT_PHY_PLL_DP_PARAMS(243000, xe3plpd_lt_edp_2_43),
+	LT_PHY_PLL_DP_PARAMS(270000, xe3plpd_lt_dp_hbr1),
+	LT_PHY_PLL_DP_PARAMS(324000, xe3plpd_lt_edp_3_24),
+	LT_PHY_PLL_DP_PARAMS(432000, xe3plpd_lt_edp_4_32),
+	LT_PHY_PLL_DP_PARAMS(540000, xe3plpd_lt_dp_hbr2),
+	LT_PHY_PLL_DP_PARAMS(675000, xe3plpd_lt_edp_6_75),
+	LT_PHY_PLL_DP_PARAMS(810000, xe3plpd_lt_dp_hbr3),
+	{}
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_252 = {
-	.clock = 25200,
 	.config = {
 		0x84,
 		0x2d,
@@ -785,62 +789,7 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_252 = {
 	},
 };
 
-static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_272 = {
-	.clock = 27200,
-	.config = {
-		0x84,
-		0x2d,
-		0x0,
-	},
-	.addr_msb = {
-		0x87,
-		0x87,
-		0x87,
-		0x87,
-		0x88,
-		0x88,
-		0x88,
-		0x88,
-		0x88,
-		0x88,
-		0x88,
-		0x88,
-		0x88,
-	},
-	.addr_lsb = {
-		0x10,
-		0x0c,
-		0x14,
-		0xe4,
-		0x0c,
-		0x10,
-		0x14,
-		0x18,
-		0x48,
-		0x40,
-		0x4c,
-		0x24,
-		0x44,
-	},
-	.data = {
-		{ 0x0,  0x4c, 0x2,  0x0  },
-		{ 0x0b, 0x15, 0x26, 0xa0 },
-		{ 0x60, 0x0,  0x0,  0x0  },
-		{ 0x8,  0x4,  0x96, 0x28 },
-		{ 0xfa, 0x0c, 0x84, 0x11 },
-		{ 0x80, 0x0f, 0xd9, 0x53 },
-		{ 0x86, 0x0,  0x0,  0x0  },
-		{ 0x1,  0xa0, 0x1,  0x0  },
-		{ 0x4b, 0x0,  0x0,  0x0  },
-		{ 0x28, 0x0,  0x0,  0x0  },
-		{ 0x0,  0x14, 0x2a, 0x14 },
-		{ 0x0,  0x0,  0x0,  0x0  },
-		{ 0x0,  0x0,  0x0,  0x0  },
-	},
-};
-
 static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_742p5 = {
-	.clock = 74250,
 	.config = {
 		0x84,
 		0x2d,
@@ -894,7 +843,6 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_742p5 = {
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_1p485 = {
-	.clock = 148500,
 	.config = {
 		0x84,
 		0x2d,
@@ -948,7 +896,6 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_1p485 = {
 };
 
 static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_5p94 = {
-	.clock = 594000,
 	.config = {
 		0x84,
 		0x2d,
@@ -1001,13 +948,12 @@ static const struct intel_lt_phy_pll_state xe3plpd_lt_hdmi_5p94 = {
 	},
 };
 
-static const struct intel_lt_phy_pll_state * const xe3plpd_lt_hdmi_tables[] = {
-	&xe3plpd_lt_hdmi_252,
-	&xe3plpd_lt_hdmi_272,
-	&xe3plpd_lt_hdmi_742p5,
-	&xe3plpd_lt_hdmi_1p485,
-	&xe3plpd_lt_hdmi_5p94,
-	NULL,
+static const struct intel_lt_phy_pll_params xe3plpd_lt_hdmi_tables[] = {
+	LT_PHY_PLL_HDMI_PARAMS(25200, xe3plpd_lt_hdmi_252),
+	LT_PHY_PLL_HDMI_PARAMS(74250, xe3plpd_lt_hdmi_742p5),
+	LT_PHY_PLL_HDMI_PARAMS(148500, xe3plpd_lt_hdmi_1p485),
+	LT_PHY_PLL_HDMI_PARAMS(594000, xe3plpd_lt_hdmi_5p94),
+	{}
 };
 
 static u8 intel_lt_phy_get_owned_lane_mask(struct intel_encoder *encoder)
@@ -1106,7 +1052,7 @@ static int __intel_lt_phy_p2p_write_once(struct intel_encoder *encoder,
 	 * This is the time PHY takes to settle down after programming the PHY.
 	 */
 	udelay(150);
-	intel_clear_response_ready_flag(encoder, lane);
+	intel_cx0_clear_response_ready_flag(encoder, lane);
 	intel_lt_phy_clear_status_p2p(encoder, lane);
 
 	return 0;
@@ -1346,7 +1292,7 @@ static void intel_lt_phy_transaction_end(struct intel_encoder *encoder, struct r
 	intel_display_power_put(display, POWER_DOMAIN_DC_OFF, wakeref);
 }
 
-static const struct intel_lt_phy_pll_state * const *
+static const struct intel_lt_phy_pll_params *
 intel_lt_phy_pll_tables_get(struct intel_crtc_state *crtc_state,
 			    struct intel_encoder *encoder)
 {
@@ -1680,7 +1626,8 @@ intel_lt_phy_calculate_hdmi_state(struct intel_lt_phy_pll_state *lt_state,
 }
 
 static int
-intel_lt_phy_calc_hdmi_port_clock(const struct intel_crtc_state *crtc_state)
+intel_lt_phy_calc_hdmi_port_clock(struct intel_display *display,
+				  const struct intel_lt_phy_pll_state *lt_state)
 {
 #define REGVAL(i) (				\
 	(lt_state->data[i][3])		|	\
@@ -1689,9 +1636,6 @@ intel_lt_phy_calc_hdmi_port_clock(const struct intel_crtc_state *crtc_state)
 	(lt_state->data[i][0] << 24)		\
 )
 
-	struct intel_display *display = to_intel_display(crtc_state);
-	const struct intel_lt_phy_pll_state *lt_state =
-		&crtc_state->dpll_hw_state.ltpll;
 	int clk = 0;
 	u32 d8, pll_reg_5, pll_reg_3, pll_reg_57, m2div_frac, m2div_int;
 	u64 temp0, temp1;
@@ -1737,7 +1681,7 @@ intel_lt_phy_calc_hdmi_port_clock(const struct intel_crtc_state *crtc_state)
 	if (d8 == 0) {
 		drm_WARN_ON(display->drm,
 			    "Invalid port clock using lowest HDMI portclock\n");
-		return xe3plpd_lt_hdmi_252.clock;
+		return xe3plpd_lt_hdmi_tables[0].clock_rate;
 	}
 	m2div_int = (pll_reg_3  & REG_GENMASK(14, 5)) >> 5;
 	temp0 = ((u64)m2div_frac * REF_CLK_KHZ) >> 32;
@@ -1749,13 +1693,10 @@ intel_lt_phy_calc_hdmi_port_clock(const struct intel_crtc_state *crtc_state)
 }
 
 int
-intel_lt_phy_calc_port_clock(struct intel_encoder *encoder,
-			     const struct intel_crtc_state *crtc_state)
+intel_lt_phy_calc_port_clock(struct intel_display *display,
+			     const struct intel_lt_phy_pll_state *lt_state)
 {
-	struct intel_display *display = to_intel_display(encoder);
 	int clk;
-	const struct intel_lt_phy_pll_state *lt_state =
-		&crtc_state->dpll_hw_state.ltpll;
 	u8 mode, rate;
 
 	mode = REG_FIELD_GET8(LT_PHY_VDR_MODE_ENCODING_MASK,
@@ -1771,10 +1712,10 @@ intel_lt_phy_calc_port_clock(struct intel_encoder *encoder,
 				      lt_state->config[0]);
 		clk = intel_lt_phy_get_dp_clock(rate);
 	} else if (mode == MODE_HDMI_20) {
-		clk = intel_lt_phy_calc_hdmi_port_clock(crtc_state);
+		clk = intel_lt_phy_calc_hdmi_port_clock(display, lt_state);
 	} else {
 		drm_WARN_ON(display->drm, "Unsupported LT PHY Mode!\n");
-		clk = xe3plpd_lt_hdmi_252.clock;
+		clk = 25200;
 	}
 
 	return clk;
@@ -1784,16 +1725,20 @@ int
 intel_lt_phy_pll_calc_state(struct intel_crtc_state *crtc_state,
 			    struct intel_encoder *encoder)
 {
-	const struct intel_lt_phy_pll_state * const *tables;
+	struct intel_display *display = to_intel_display(crtc_state);
+	const struct intel_lt_phy_pll_params *tables;
 	int i;
 
 	tables = intel_lt_phy_pll_tables_get(crtc_state, encoder);
 	if (!tables)
 		return -EINVAL;
 
-	for (i = 0; tables[i]; i++) {
-		if (crtc_state->port_clock == tables[i]->clock) {
-			crtc_state->dpll_hw_state.ltpll = *tables[i];
+	for (i = 0; tables[i].name; i++) {
+		int clock = intel_lt_phy_calc_port_clock(display, tables[i].state);
+
+		drm_WARN_ON(display->drm, !intel_dpll_clock_matches(clock, tables[i].clock_rate));
+		if (intel_dpll_clock_matches(crtc_state->port_clock, clock)) {
+			crtc_state->dpll_hw_state.ltpll = *tables[i].state;
 			if (intel_crtc_has_dp_encoder(crtc_state)) {
 				if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
 					crtc_state->dpll_hw_state.ltpll.config[2] = 1;
@@ -2212,6 +2157,9 @@ bool
 intel_lt_phy_pll_compare_hw_state(const struct intel_lt_phy_pll_state *a,
 				  const struct intel_lt_phy_pll_state *b)
 {
+	if (a->tbt_mode || b->tbt_mode)
+		return true;
+
 	/*
 	 * With LT PHY values other than VDR0_CONFIG and VDR2_CONFIG are
 	 * unreliable. They cannot always be read back since internally
@@ -2254,8 +2202,6 @@ void intel_lt_phy_pll_readout_hw_state(struct intel_encoder *encoder,
 						  LT_PHY_VDR_X_DATAY(i, j));
 	}
 
-	pll_state->clock =
-		intel_lt_phy_calc_port_clock(encoder, crtc_state);
 	intel_lt_phy_transaction_end(encoder, wakeref);
 }
 
@@ -2319,3 +2265,66 @@ void intel_xe3plpd_pll_disable(struct intel_encoder *encoder)
 		intel_lt_phy_pll_disable(encoder);
 
 }
+
+static void intel_lt_phy_pll_verify_clock(struct intel_display *display,
+					  int precomputed_clock,
+					  const char *pll_state_name,
+					  const struct intel_lt_phy_pll_state *pll_state,
+					  bool is_precomputed_state)
+{
+	struct drm_printer p;
+	int clock;
+
+	clock = intel_lt_phy_calc_port_clock(display, pll_state);
+
+	if (intel_dpll_clock_matches(clock, precomputed_clock))
+		return;
+
+	drm_warn(display->drm,
+		 "PLL state %s (%s): clock difference too high: computed %d, pre-computed %d\n",
+		 pll_state_name,
+		 is_precomputed_state ? "precomputed" : "computed",
+		 clock, precomputed_clock);
+
+	if (!drm_debug_enabled(DRM_UT_KMS))
+		return;
+
+	p = drm_dbg_printer(display->drm, DRM_UT_KMS, NULL);
+
+	drm_printf(&p, "PLL state %s (%s):\n",
+		   pll_state_name,
+		   is_precomputed_state ? "precomputed" : "computed");
+	intel_lt_phy_dump_hw_state(display, pll_state);
+}
+
+static void intel_lt_phy_pll_verify_params(struct intel_display *display,
+					   const struct intel_lt_phy_pll_params *pll_params)
+{
+	struct intel_lt_phy_pll_state pll_state;
+
+	intel_lt_phy_pll_verify_clock(display, pll_params->clock_rate, pll_params->name, pll_params->state, true);
+
+	if (!pll_params->is_hdmi)
+		return;
+
+	if (intel_lt_phy_calculate_hdmi_state(&pll_state, pll_params->clock_rate) != 0)
+		return;
+
+	intel_lt_phy_pll_verify_clock(display, pll_params->clock_rate, pll_params->name, &pll_state, false);
+}
+
+static void intel_lt_phy_pll_verify_tables(struct intel_display *display,
+					   const struct intel_lt_phy_pll_params *tables)
+{
+	int i;
+
+	for (i = 0; tables[i].name; i++)
+		intel_lt_phy_pll_verify_params(display, &tables[i]);
+}
+
+void intel_lt_phy_verify_plls(struct intel_display *display)
+{
+	intel_lt_phy_pll_verify_tables(display, xe3plpd_lt_dp_tables);
+	intel_lt_phy_pll_verify_tables(display, xe3plpd_lt_edp_tables);
+	intel_lt_phy_pll_verify_tables(display, xe3plpd_lt_hdmi_tables);
+}
diff --git a/drivers/gpu/drm/i915/display/intel_lt_phy.h b/drivers/gpu/drm/i915/display/intel_lt_phy.h
index bf41858f1bc3..db905668f86d 100644
--- a/drivers/gpu/drm/i915/display/intel_lt_phy.h
+++ b/drivers/gpu/drm/i915/display/intel_lt_phy.h
@@ -21,8 +21,8 @@ void intel_lt_phy_pll_disable(struct intel_encoder *encoder);
 int
 intel_lt_phy_pll_calc_state(struct intel_crtc_state *crtc_state,
 			    struct intel_encoder *encoder);
-int intel_lt_phy_calc_port_clock(struct intel_encoder *encoder,
-				 const struct intel_crtc_state *crtc_state);
+int intel_lt_phy_calc_port_clock(struct intel_display *display,
+				 const struct intel_lt_phy_pll_state *lt_state);
 void intel_lt_phy_set_signal_levels(struct intel_encoder *encoder,
 				    const struct intel_crtc_state *crtc_state);
 void intel_lt_phy_dump_hw_state(struct intel_display *display,
@@ -41,5 +41,6 @@ intel_lt_phy_calculate_hdmi_state(struct intel_lt_phy_pll_state *lt_state,
 void intel_xe3plpd_pll_enable(struct intel_encoder *encoder,
 			      const struct intel_crtc_state *crtc_state);
 void intel_xe3plpd_pll_disable(struct intel_encoder *encoder);
+void intel_lt_phy_verify_plls(struct intel_display *display);
 
 #endif /* __INTEL_LT_PHY_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_lt_phy_regs.h b/drivers/gpu/drm/i915/display/intel_lt_phy_regs.h
index 37e46fb9abde..ff6d7829dbb9 100644
--- a/drivers/gpu/drm/i915/display/intel_lt_phy_regs.h
+++ b/drivers/gpu/drm/i915/display/intel_lt_phy_regs.h
@@ -6,12 +6,12 @@
 #ifndef __INTEL_LT_PHY_REGS_H__
 #define __INTEL_LT_PHY_REGS_H__
 
-#define XE3PLPD_MSGBUS_TIMEOUT_FAST_US	500
+#define XE3PLPD_MSGBUS_TIMEOUT_FAST_US		500
 #define XE3PLPD_MACCLK_TURNON_LATENCY_MS	2
-#define XE3PLPD_MACCLK_TURNOFF_LATENCY_US	1
+#define XE3PLPD_MACCLK_TURNOFF_LATENCY_US	10
 #define XE3PLPD_RATE_CALIB_DONE_LATENCY_MS	1
-#define XE3PLPD_RESET_START_LATENCY_US	10
-#define XE3PLPD_PWRDN_TO_RDY_LATENCY_US	4
+#define XE3PLPD_RESET_START_LATENCY_US		10
+#define XE3PLPD_PWRDN_TO_RDY_LATENCY_US		10
 #define XE3PLPD_RESET_END_LATENCY_MS		2
 
 /* LT Phy MAC Register */
diff --git a/drivers/gpu/drm/i915/display/intel_modeset_setup.c b/drivers/gpu/drm/i915/display/intel_modeset_setup.c
index d10cbf69a5f8..4086f16a12bf 100644
--- a/drivers/gpu/drm/i915/display/intel_modeset_setup.c
+++ b/drivers/gpu/drm/i915/display/intel_modeset_setup.c
@@ -11,7 +11,6 @@
 #include <drm/drm_print.h>
 #include <drm/drm_vblank.h>
 
-#include "i915_reg.h"
 #include "i9xx_wm.h"
 #include "intel_atomic.h"
 #include "intel_bw.h"
@@ -26,6 +25,7 @@
 #include "intel_display_power.h"
 #include "intel_display_regs.h"
 #include "intel_display_types.h"
+#include "intel_display_wa.h"
 #include "intel_dmc.h"
 #include "intel_fifo_underrun.h"
 #include "intel_modeset_setup.h"
@@ -914,7 +914,7 @@ static void intel_early_display_was(struct intel_display *display)
 	 * Display WA #1185 WaDisableDARBFClkGating:glk,icl,ehl,tgl
 	 * Also known as Wa_14010480278.
 	 */
-	if (IS_DISPLAY_VER(display, 10, 12))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14010480278))
 		intel_de_rmw(display, GEN9_CLKGATE_DIS_0, 0, DARBF_GATING_DIS);
 
 	/*
diff --git a/drivers/gpu/drm/i915/display/intel_oprom_regs.h b/drivers/gpu/drm/i915/display/intel_oprom_regs.h
new file mode 100644
index 000000000000..e6a6fb51b90c
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_oprom_regs.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef _INTEL_OPROM_REGS_H_
+#define _INTEL_OPROM_REGS_H_
+
+#define PRIMARY_SPI_TRIGGER			_MMIO(0x102040)
+#define PRIMARY_SPI_ADDRESS			_MMIO(0x102080)
+#define PRIMARY_SPI_REGIONID			_MMIO(0x102084)
+#define SPI_STATIC_REGIONS			_MMIO(0x102090)
+#define   OPTIONROM_SPI_REGIONID_MASK		REG_GENMASK(7, 0)
+#define OROM_OFFSET				_MMIO(0x1020c0)
+#define   OROM_OFFSET_MASK			REG_GENMASK(20, 16)
+
+#endif
diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c b/drivers/gpu/drm/i915/display/intel_overlay.c
index 05c7545c49e5..12a325ceae6f 100644
--- a/drivers/gpu/drm/i915/display/intel_overlay.c
+++ b/drivers/gpu/drm/i915/display/intel_overlay.c
@@ -27,24 +27,16 @@
  */
 
 #include <drm/drm_fourcc.h>
+#include <drm/drm_gem.h>
 #include <drm/drm_print.h>
 
-#include "gem/i915_gem_internal.h"
-#include "gem/i915_gem_object_frontbuffer.h"
-#include "gem/i915_gem_pm.h"
-
-#include "gt/intel_gpu_commands.h"
-#include "gt/intel_ring.h"
-
-#include "i915_drv.h"
-#include "i915_reg.h"
 #include "intel_color_regs.h"
 #include "intel_de.h"
 #include "intel_display_regs.h"
 #include "intel_display_types.h"
 #include "intel_frontbuffer.h"
 #include "intel_overlay.h"
-#include "intel_pci_config.h"
+#include "intel_parent.h"
 #include "intel_pfit_regs.h"
 
 /* Limits for overlay size. According to intel doc, the real limits are:
@@ -121,9 +113,6 @@
 #define RGB8I_TO_COLORKEY(c) \
 	((((c) & 0xff) << 16) | (((c) & 0xff) << 8) | (((c) & 0xff) << 0))
 
-/* overlay flip addr flag */
-#define OFC_UPDATE		0x1
-
 /* polyphase filter coefficients */
 #define N_HORIZ_Y_TAPS          5
 #define N_VERT_Y_TAPS           3
@@ -189,312 +178,16 @@ struct overlay_registers {
 
 struct intel_overlay {
 	struct intel_display *display;
-	struct intel_context *context;
 	struct intel_crtc *crtc;
-	struct i915_vma *vma;
-	struct i915_vma *old_vma;
-	struct intel_frontbuffer *frontbuffer;
-	bool active;
 	bool pfit_active;
 	u32 pfit_vscale_ratio; /* shifted-point number, (1<<12) == 1.0 */
 	u32 color_key:24;
 	u32 color_key_enabled:1;
 	u32 brightness, contrast, saturation;
 	u32 old_xscale, old_yscale;
-	/* register access */
-	struct drm_i915_gem_object *reg_bo;
 	struct overlay_registers __iomem *regs;
-	u32 flip_addr;
-	/* flip handling */
-	struct i915_active last_flip;
-	void (*flip_complete)(struct intel_overlay *ovl);
 };
 
-static void i830_overlay_clock_gating(struct intel_display *display,
-				      bool enable)
-{
-	struct pci_dev *pdev = to_pci_dev(display->drm->dev);
-	u8 val;
-
-	/* WA_OVERLAY_CLKGATE:alm */
-	if (enable)
-		intel_de_write(display, DSPCLK_GATE_D, 0);
-	else
-		intel_de_write(display, DSPCLK_GATE_D, OVRUNIT_CLOCK_GATE_DISABLE);
-
-	/* WA_DISABLE_L2CACHE_CLOCK_GATING:alm */
-	pci_bus_read_config_byte(pdev->bus,
-				 PCI_DEVFN(0, 0), I830_CLOCK_GATE, &val);
-	if (enable)
-		val &= ~I830_L2_CACHE_CLOCK_GATE_DISABLE;
-	else
-		val |= I830_L2_CACHE_CLOCK_GATE_DISABLE;
-	pci_bus_write_config_byte(pdev->bus,
-				  PCI_DEVFN(0, 0), I830_CLOCK_GATE, val);
-}
-
-static struct i915_request *
-alloc_request(struct intel_overlay *overlay, void (*fn)(struct intel_overlay *))
-{
-	struct i915_request *rq;
-	int err;
-
-	overlay->flip_complete = fn;
-
-	rq = i915_request_create(overlay->context);
-	if (IS_ERR(rq))
-		return rq;
-
-	err = i915_active_add_request(&overlay->last_flip, rq);
-	if (err) {
-		i915_request_add(rq);
-		return ERR_PTR(err);
-	}
-
-	return rq;
-}
-
-/* overlay needs to be disable in OCMD reg */
-static int intel_overlay_on(struct intel_overlay *overlay)
-{
-	struct intel_display *display = overlay->display;
-	struct i915_request *rq;
-	u32 *cs;
-
-	drm_WARN_ON(display->drm, overlay->active);
-
-	rq = alloc_request(overlay, NULL);
-	if (IS_ERR(rq))
-		return PTR_ERR(rq);
-
-	cs = intel_ring_begin(rq, 4);
-	if (IS_ERR(cs)) {
-		i915_request_add(rq);
-		return PTR_ERR(cs);
-	}
-
-	overlay->active = true;
-
-	if (display->platform.i830)
-		i830_overlay_clock_gating(display, false);
-
-	*cs++ = MI_OVERLAY_FLIP | MI_OVERLAY_ON;
-	*cs++ = overlay->flip_addr | OFC_UPDATE;
-	*cs++ = MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP;
-	*cs++ = MI_NOOP;
-	intel_ring_advance(rq, cs);
-
-	i915_request_add(rq);
-
-	return i915_active_wait(&overlay->last_flip);
-}
-
-static void intel_overlay_flip_prepare(struct intel_overlay *overlay,
-				       struct i915_vma *vma)
-{
-	struct intel_display *display = overlay->display;
-	enum pipe pipe = overlay->crtc->pipe;
-	struct intel_frontbuffer *frontbuffer = NULL;
-
-	drm_WARN_ON(display->drm, overlay->old_vma);
-
-	if (vma)
-		frontbuffer = intel_frontbuffer_get(intel_bo_to_drm_bo(vma->obj));
-
-	intel_frontbuffer_track(overlay->frontbuffer, frontbuffer,
-				INTEL_FRONTBUFFER_OVERLAY(pipe));
-
-	if (overlay->frontbuffer)
-		intel_frontbuffer_put(overlay->frontbuffer);
-	overlay->frontbuffer = frontbuffer;
-
-	overlay->old_vma = overlay->vma;
-	if (vma)
-		overlay->vma = i915_vma_get(vma);
-	else
-		overlay->vma = NULL;
-}
-
-/* overlay needs to be enabled in OCMD reg */
-static int intel_overlay_continue(struct intel_overlay *overlay,
-				  struct i915_vma *vma,
-				  bool load_polyphase_filter)
-{
-	struct intel_display *display = overlay->display;
-	struct i915_request *rq;
-	u32 flip_addr = overlay->flip_addr;
-	u32 tmp, *cs;
-
-	drm_WARN_ON(display->drm, !overlay->active);
-
-	if (load_polyphase_filter)
-		flip_addr |= OFC_UPDATE;
-
-	/* check for underruns */
-	tmp = intel_de_read(display, DOVSTA);
-	if (tmp & (1 << 17))
-		drm_dbg(display->drm, "overlay underrun, DOVSTA: %x\n", tmp);
-
-	rq = alloc_request(overlay, NULL);
-	if (IS_ERR(rq))
-		return PTR_ERR(rq);
-
-	cs = intel_ring_begin(rq, 2);
-	if (IS_ERR(cs)) {
-		i915_request_add(rq);
-		return PTR_ERR(cs);
-	}
-
-	*cs++ = MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE;
-	*cs++ = flip_addr;
-	intel_ring_advance(rq, cs);
-
-	intel_overlay_flip_prepare(overlay, vma);
-	i915_request_add(rq);
-
-	return 0;
-}
-
-static void intel_overlay_release_old_vma(struct intel_overlay *overlay)
-{
-	struct intel_display *display = overlay->display;
-	struct i915_vma *vma;
-
-	vma = fetch_and_zero(&overlay->old_vma);
-	if (drm_WARN_ON(display->drm, !vma))
-		return;
-
-	intel_frontbuffer_flip(display, INTEL_FRONTBUFFER_OVERLAY(overlay->crtc->pipe));
-
-	i915_vma_unpin(vma);
-	i915_vma_put(vma);
-}
-
-static void
-intel_overlay_release_old_vid_tail(struct intel_overlay *overlay)
-{
-	intel_overlay_release_old_vma(overlay);
-}
-
-static void intel_overlay_off_tail(struct intel_overlay *overlay)
-{
-	struct intel_display *display = overlay->display;
-
-	intel_overlay_release_old_vma(overlay);
-
-	overlay->crtc->overlay = NULL;
-	overlay->crtc = NULL;
-	overlay->active = false;
-
-	if (display->platform.i830)
-		i830_overlay_clock_gating(display, true);
-}
-
-static void intel_overlay_last_flip_retire(struct i915_active *active)
-{
-	struct intel_overlay *overlay =
-		container_of(active, typeof(*overlay), last_flip);
-
-	if (overlay->flip_complete)
-		overlay->flip_complete(overlay);
-}
-
-/* overlay needs to be disabled in OCMD reg */
-static int intel_overlay_off(struct intel_overlay *overlay)
-{
-	struct intel_display *display = overlay->display;
-	struct i915_request *rq;
-	u32 *cs, flip_addr = overlay->flip_addr;
-
-	drm_WARN_ON(display->drm, !overlay->active);
-
-	/*
-	 * According to intel docs the overlay hw may hang (when switching
-	 * off) without loading the filter coeffs. It is however unclear whether
-	 * this applies to the disabling of the overlay or to the switching off
-	 * of the hw. Do it in both cases.
-	 */
-	flip_addr |= OFC_UPDATE;
-
-	rq = alloc_request(overlay, intel_overlay_off_tail);
-	if (IS_ERR(rq))
-		return PTR_ERR(rq);
-
-	cs = intel_ring_begin(rq, 6);
-	if (IS_ERR(cs)) {
-		i915_request_add(rq);
-		return PTR_ERR(cs);
-	}
-
-	/* wait for overlay to go idle */
-	*cs++ = MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE;
-	*cs++ = flip_addr;
-	*cs++ = MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP;
-
-	/* turn overlay off */
-	*cs++ = MI_OVERLAY_FLIP | MI_OVERLAY_OFF;
-	*cs++ = flip_addr;
-	*cs++ = MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP;
-
-	intel_ring_advance(rq, cs);
-
-	intel_overlay_flip_prepare(overlay, NULL);
-	i915_request_add(rq);
-
-	return i915_active_wait(&overlay->last_flip);
-}
-
-/*
- * Recover from an interruption due to a signal.
- * We have to be careful not to repeat work forever an make forward progress.
- */
-static int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay)
-{
-	return i915_active_wait(&overlay->last_flip);
-}
-
-/*
- * Wait for pending overlay flip and release old frame.
- * Needs to be called before the overlay register are changed
- * via intel_overlay_(un)map_regs.
- */
-static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
-{
-	struct intel_display *display = overlay->display;
-	struct i915_request *rq;
-	u32 *cs;
-
-	/*
-	 * Only wait if there is actually an old frame to release to
-	 * guarantee forward progress.
-	 */
-	if (!overlay->old_vma)
-		return 0;
-
-	if (!(intel_de_read(display, GEN2_ISR) & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT)) {
-		intel_overlay_release_old_vid_tail(overlay);
-		return 0;
-	}
-
-	rq = alloc_request(overlay, intel_overlay_release_old_vid_tail);
-	if (IS_ERR(rq))
-		return PTR_ERR(rq);
-
-	cs = intel_ring_begin(rq, 2);
-	if (IS_ERR(cs)) {
-		i915_request_add(rq);
-		return PTR_ERR(cs);
-	}
-
-	*cs++ = MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP;
-	*cs++ = MI_NOOP;
-	intel_ring_advance(rq, cs);
-
-	i915_request_add(rq);
-
-	return i915_active_wait(&overlay->last_flip);
-}
-
 void intel_overlay_reset(struct intel_display *display)
 {
 	struct intel_overlay *overlay = display->overlay;
@@ -505,7 +198,8 @@ void intel_overlay_reset(struct intel_display *display)
 	overlay->old_xscale = 0;
 	overlay->old_yscale = 0;
 	overlay->crtc = NULL;
-	overlay->active = false;
+
+	intel_parent_overlay_reset(display);
 }
 
 static int packed_depth_bytes(u32 format)
@@ -767,34 +461,8 @@ static u32 overlay_cmd_reg(struct drm_intel_overlay_put_image *params)
 	return cmd;
 }
 
-static struct i915_vma *intel_overlay_pin_fb(struct drm_i915_gem_object *new_bo)
-{
-	struct i915_gem_ww_ctx ww;
-	struct i915_vma *vma;
-	int ret;
-
-	i915_gem_ww_ctx_init(&ww, true);
-retry:
-	ret = i915_gem_object_lock(new_bo, &ww);
-	if (!ret) {
-		vma = i915_gem_object_pin_to_display_plane(new_bo, &ww, 0, 0,
-							   NULL, PIN_MAPPABLE);
-		ret = PTR_ERR_OR_ZERO(vma);
-	}
-	if (ret == -EDEADLK) {
-		ret = i915_gem_ww_ctx_backoff(&ww);
-		if (!ret)
-			goto retry;
-	}
-	i915_gem_ww_ctx_fini(&ww);
-	if (ret)
-		return ERR_PTR(ret);
-
-	return vma;
-}
-
 static int intel_overlay_do_put_image(struct intel_overlay *overlay,
-				      struct drm_i915_gem_object *new_bo,
+				      struct drm_gem_object *obj,
 				      struct drm_intel_overlay_put_image *params)
 {
 	struct intel_display *display = overlay->display;
@@ -804,23 +472,24 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
 	bool scale_changed = false;
 	struct i915_vma *vma;
 	int ret, tmp_width;
+	u32 tmp, offset;
 
 	drm_WARN_ON(display->drm,
 		    !drm_modeset_is_locked(&display->drm->mode_config.connection_mutex));
 
-	ret = intel_overlay_release_old_vid(overlay);
+	ret = intel_parent_overlay_release_old_vid(display);
 	if (ret != 0)
 		return ret;
 
 	atomic_inc(&display->restore.pending_fb_pin);
 
-	vma = intel_overlay_pin_fb(new_bo);
+	vma = intel_parent_overlay_pin_fb(display, obj, &offset);
 	if (IS_ERR(vma)) {
 		ret = PTR_ERR(vma);
 		goto out_pin_section;
 	}
 
-	if (!overlay->active) {
+	if (!intel_parent_overlay_is_active(display)) {
 		const struct intel_crtc_state *crtc_state =
 			overlay->crtc->config;
 		u32 oconfig = 0;
@@ -836,7 +505,7 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
 			OCONF_PIPE_A : OCONF_PIPE_B;
 		iowrite32(oconfig, &regs->OCONFIG);
 
-		ret = intel_overlay_on(overlay);
+		ret = intel_parent_overlay_on(display, INTEL_FRONTBUFFER_OVERLAY(pipe));
 		if (ret != 0)
 			goto out_unpin;
 	}
@@ -853,7 +522,7 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
 	swidth = params->src_width;
 	swidthsw = calc_swidthsw(display, params->offset_Y, tmp_width);
 	sheight = params->src_height;
-	iowrite32(i915_ggtt_offset(vma) + params->offset_Y, &regs->OBUF_0Y);
+	iowrite32(offset + params->offset_Y, &regs->OBUF_0Y);
 	ostride = params->stride_Y;
 
 	if (params->flags & I915_OVERLAY_YUV_PLANAR) {
@@ -870,9 +539,9 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
 				      params->src_width / uv_hscale);
 		swidthsw |= max(tmp_U, tmp_V) << 16;
 
-		iowrite32(i915_ggtt_offset(vma) + params->offset_U,
+		iowrite32(offset + params->offset_U,
 			  &regs->OBUF_0U);
-		iowrite32(i915_ggtt_offset(vma) + params->offset_V,
+		iowrite32(offset + params->offset_V,
 			  &regs->OBUF_0V);
 
 		ostride |= params->stride_UV << 16;
@@ -889,14 +558,19 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
 
 	iowrite32(overlay_cmd_reg(params), &regs->OCMD);
 
-	ret = intel_overlay_continue(overlay, vma, scale_changed);
+	/* check for underruns */
+	tmp = intel_de_read(display, DOVSTA);
+	if (tmp & (1 << 17))
+		drm_dbg(display->drm, "overlay underrun, DOVSTA: %x\n", tmp);
+
+	ret = intel_parent_overlay_continue(display, vma, scale_changed);
 	if (ret)
 		goto out_unpin;
 
 	return 0;
 
 out_unpin:
-	i915_vma_unpin(vma);
+	intel_parent_overlay_unpin_fb(display, vma);
 out_pin_section:
 	atomic_dec(&display->restore.pending_fb_pin);
 
@@ -911,20 +585,23 @@ int intel_overlay_switch_off(struct intel_overlay *overlay)
 	drm_WARN_ON(display->drm,
 		    !drm_modeset_is_locked(&display->drm->mode_config.connection_mutex));
 
-	ret = intel_overlay_recover_from_interrupt(overlay);
+	ret = intel_parent_overlay_recover_from_interrupt(display);
 	if (ret != 0)
 		return ret;
 
-	if (!overlay->active)
+	if (!intel_parent_overlay_is_active(display))
 		return 0;
 
-	ret = intel_overlay_release_old_vid(overlay);
+	ret = intel_parent_overlay_release_old_vid(display);
 	if (ret != 0)
 		return ret;
 
 	iowrite32(0, &overlay->regs->OCMD);
 
-	return intel_overlay_off(overlay);
+	overlay->crtc->overlay = NULL;
+	overlay->crtc = NULL;
+
+	return intel_parent_overlay_off(display);
 }
 
 static int check_overlay_possible_on_crtc(struct intel_overlay *overlay,
@@ -1006,7 +683,7 @@ static int check_overlay_scaling(struct drm_intel_overlay_put_image *rec)
 
 static int check_overlay_src(struct intel_display *display,
 			     struct drm_intel_overlay_put_image *rec,
-			     struct drm_i915_gem_object *new_bo)
+			     struct drm_gem_object *obj)
 {
 	int uv_hscale = uv_hsubsampling(rec->flags);
 	int uv_vscale = uv_vsubsampling(rec->flags);
@@ -1091,7 +768,7 @@ static int check_overlay_src(struct intel_display *display,
 			return -EINVAL;
 
 		tmp = rec->stride_Y*rec->src_height;
-		if (rec->offset_Y + tmp > new_bo->base.size)
+		if (rec->offset_Y + tmp > obj->size)
 			return -EINVAL;
 		break;
 
@@ -1102,12 +779,12 @@ static int check_overlay_src(struct intel_display *display,
 			return -EINVAL;
 
 		tmp = rec->stride_Y * rec->src_height;
-		if (rec->offset_Y + tmp > new_bo->base.size)
+		if (rec->offset_Y + tmp > obj->size)
 			return -EINVAL;
 
 		tmp = rec->stride_UV * (rec->src_height / uv_vscale);
-		if (rec->offset_U + tmp > new_bo->base.size ||
-		    rec->offset_V + tmp > new_bo->base.size)
+		if (rec->offset_U + tmp > obj->size ||
+		    rec->offset_V + tmp > obj->size)
 			return -EINVAL;
 		break;
 	}
@@ -1122,8 +799,8 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
 	struct drm_intel_overlay_put_image *params = data;
 	struct intel_overlay *overlay;
 	struct drm_crtc *drmmode_crtc;
+	struct drm_gem_object *obj;
 	struct intel_crtc *crtc;
-	struct drm_i915_gem_object *new_bo;
 	int ret;
 
 	overlay = display->overlay;
@@ -1145,20 +822,13 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
 		return -ENOENT;
 	crtc = to_intel_crtc(drmmode_crtc);
 
-	new_bo = i915_gem_object_lookup(file_priv, params->bo_handle);
-	if (!new_bo)
-		return -ENOENT;
+	obj = intel_parent_overlay_obj_lookup(display, file_priv, params->bo_handle);
+	if (IS_ERR(obj))
+		return PTR_ERR(obj);
 
 	drm_modeset_lock_all(dev);
 
-	if (i915_gem_object_is_tiled(new_bo)) {
-		drm_dbg_kms(display->drm,
-			    "buffer used for overlay image can not be tiled\n");
-		ret = -EINVAL;
-		goto out_unlock;
-	}
-
-	ret = intel_overlay_recover_from_interrupt(overlay);
+	ret = intel_parent_overlay_recover_from_interrupt(display);
 	if (ret != 0)
 		goto out_unlock;
 
@@ -1201,7 +871,7 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
 		goto out_unlock;
 	}
 
-	ret = check_overlay_src(display, params, new_bo);
+	ret = check_overlay_src(display, params, obj);
 	if (ret != 0)
 		goto out_unlock;
 
@@ -1210,18 +880,18 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
 	if (ret != 0)
 		goto out_unlock;
 
-	ret = intel_overlay_do_put_image(overlay, new_bo, params);
+	ret = intel_overlay_do_put_image(overlay, obj, params);
 	if (ret != 0)
 		goto out_unlock;
 
 	drm_modeset_unlock_all(dev);
-	i915_gem_object_put(new_bo);
+	drm_gem_object_put(obj);
 
 	return 0;
 
 out_unlock:
 	drm_modeset_unlock_all(dev);
-	i915_gem_object_put(new_bo);
+	drm_gem_object_put(obj);
 
 	return ret;
 }
@@ -1328,7 +998,7 @@ int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
 			if (DISPLAY_VER(display) == 2)
 				goto out_unlock;
 
-			if (overlay->active) {
+			if (intel_parent_overlay_is_active(display)) {
 				ret = -EBUSY;
 				goto out_unlock;
 			}
@@ -1354,80 +1024,31 @@ int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
 	return ret;
 }
 
-static int get_registers(struct intel_overlay *overlay, bool use_phys)
-{
-	struct intel_display *display = overlay->display;
-	struct drm_i915_private *i915 = to_i915(display->drm);
-	struct drm_i915_gem_object *obj = ERR_PTR(-ENODEV);
-	struct i915_vma *vma;
-	int err;
-
-	if (!display->platform.meteorlake) /* Wa_22018444074 */
-		obj = i915_gem_object_create_stolen(i915, PAGE_SIZE);
-	if (IS_ERR(obj))
-		obj = i915_gem_object_create_internal(i915, PAGE_SIZE);
-	if (IS_ERR(obj))
-		return PTR_ERR(obj);
-
-	vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, PIN_MAPPABLE);
-	if (IS_ERR(vma)) {
-		err = PTR_ERR(vma);
-		goto err_put_bo;
-	}
-
-	if (use_phys)
-		overlay->flip_addr = sg_dma_address(obj->mm.pages->sgl);
-	else
-		overlay->flip_addr = i915_ggtt_offset(vma);
-	overlay->regs = i915_vma_pin_iomap(vma);
-	i915_vma_unpin(vma);
-
-	if (IS_ERR(overlay->regs)) {
-		err = PTR_ERR(overlay->regs);
-		goto err_put_bo;
-	}
-
-	overlay->reg_bo = obj;
-	return 0;
-
-err_put_bo:
-	i915_gem_object_put(obj);
-	return err;
-}
-
 void intel_overlay_setup(struct intel_display *display)
 {
-	struct drm_i915_private *dev_priv = to_i915(display->drm);
 	struct intel_overlay *overlay;
-	struct intel_engine_cs *engine;
-	int ret;
+	void __iomem *regs;
 
 	if (!HAS_OVERLAY(display))
 		return;
 
-	engine = to_gt(dev_priv)->engine[RCS0];
-	if (!engine || !engine->kernel_context)
-		return;
-
 	overlay = kzalloc_obj(*overlay);
 	if (!overlay)
 		return;
 
+	regs = intel_parent_overlay_setup(display,
+					  OVERLAY_NEEDS_PHYSICAL(display));
+	if (IS_ERR(regs))
+		goto out_free;
+
 	overlay->display = display;
-	overlay->context = engine->kernel_context;
+	overlay->regs = regs;
 	overlay->color_key = 0x0101fe;
 	overlay->color_key_enabled = true;
 	overlay->brightness = -19;
 	overlay->contrast = 75;
 	overlay->saturation = 146;
 
-	i915_active_init(&overlay->last_flip,
-			 NULL, intel_overlay_last_flip_retire, 0);
-
-	ret = get_registers(overlay, OVERLAY_NEEDS_PHYSICAL(display));
-	if (ret)
-		goto out_free;
-
 	memset_io(overlay->regs, 0, sizeof(struct overlay_registers));
 	update_polyphase_filter(overlay->regs);
 	update_reg_attrs(overlay, overlay->regs);
@@ -1447,110 +1068,11 @@ bool intel_overlay_available(struct intel_display *display)
 
 void intel_overlay_cleanup(struct intel_display *display)
 {
-	struct intel_overlay *overlay;
-
-	overlay = fetch_and_zero(&display->overlay);
-	if (!overlay)
+	if (!display->overlay)
 		return;
 
-	/*
-	 * The bo's should be free'd by the generic code already.
-	 * Furthermore modesetting teardown happens beforehand so the
-	 * hardware should be off already.
-	 */
-	drm_WARN_ON(display->drm, overlay->active);
+	intel_parent_overlay_cleanup(display);
 
-	i915_gem_object_put(overlay->reg_bo);
-	i915_active_fini(&overlay->last_flip);
-
-	kfree(overlay);
+	kfree(display->overlay);
+	display->overlay = NULL;
 }
-
-#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
-
-struct intel_overlay_snapshot {
-	struct overlay_registers regs;
-	unsigned long base;
-	u32 dovsta;
-	u32 isr;
-};
-
-struct intel_overlay_snapshot *
-intel_overlay_snapshot_capture(struct intel_display *display)
-{
-	struct intel_overlay *overlay = display->overlay;
-	struct intel_overlay_snapshot *error;
-
-	if (!overlay || !overlay->active)
-		return NULL;
-
-	error = kmalloc_obj(*error, GFP_ATOMIC);
-	if (error == NULL)
-		return NULL;
-
-	error->dovsta = intel_de_read(display, DOVSTA);
-	error->isr = intel_de_read(display, GEN2_ISR);
-	error->base = overlay->flip_addr;
-
-	memcpy_fromio(&error->regs, overlay->regs, sizeof(error->regs));
-
-	return error;
-}
-
-void
-intel_overlay_snapshot_print(const struct intel_overlay_snapshot *error,
-			     struct drm_printer *p)
-{
-	if (!error)
-		return;
-
-	drm_printf(p, "Overlay, status: 0x%08x, interrupt: 0x%08x\n",
-		   error->dovsta, error->isr);
-	drm_printf(p, "  Register file at 0x%08lx:\n", error->base);
-
-#define P(x) drm_printf(p, "    " #x ": 0x%08x\n", error->regs.x)
-	P(OBUF_0Y);
-	P(OBUF_1Y);
-	P(OBUF_0U);
-	P(OBUF_0V);
-	P(OBUF_1U);
-	P(OBUF_1V);
-	P(OSTRIDE);
-	P(YRGB_VPH);
-	P(UV_VPH);
-	P(HORZ_PH);
-	P(INIT_PHS);
-	P(DWINPOS);
-	P(DWINSZ);
-	P(SWIDTH);
-	P(SWIDTHSW);
-	P(SHEIGHT);
-	P(YRGBSCALE);
-	P(UVSCALE);
-	P(OCLRC0);
-	P(OCLRC1);
-	P(DCLRKV);
-	P(DCLRKM);
-	P(SCLRKVH);
-	P(SCLRKVL);
-	P(SCLRKEN);
-	P(OCONFIG);
-	P(OCMD);
-	P(OSTART_0Y);
-	P(OSTART_1Y);
-	P(OSTART_0U);
-	P(OSTART_0V);
-	P(OSTART_1U);
-	P(OSTART_1V);
-	P(OTILEOFF_0Y);
-	P(OTILEOFF_1Y);
-	P(OTILEOFF_0U);
-	P(OTILEOFF_0V);
-	P(OTILEOFF_1U);
-	P(OTILEOFF_1V);
-	P(FASTHSCALE);
-	P(UVSCALEV);
-#undef P
-}
-
-#endif
diff --git a/drivers/gpu/drm/i915/display/intel_overlay.h b/drivers/gpu/drm/i915/display/intel_overlay.h
index d259e4c74b03..a4291d6dd528 100644
--- a/drivers/gpu/drm/i915/display/intel_overlay.h
+++ b/drivers/gpu/drm/i915/display/intel_overlay.h
@@ -13,9 +13,7 @@ struct drm_file;
 struct drm_printer;
 struct intel_display;
 struct intel_overlay;
-struct intel_overlay_snapshot;
 
-#ifdef I915
 void intel_overlay_setup(struct intel_display *display);
 bool intel_overlay_available(struct intel_display *display);
 void intel_overlay_cleanup(struct intel_display *display);
@@ -25,51 +23,5 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
 int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
 			      struct drm_file *file_priv);
 void intel_overlay_reset(struct intel_display *display);
-#else
-static inline void intel_overlay_setup(struct intel_display *display)
-{
-}
-static inline bool intel_overlay_available(struct intel_display *display)
-{
-	return false;
-}
-static inline void intel_overlay_cleanup(struct intel_display *display)
-{
-}
-static inline int intel_overlay_switch_off(struct intel_overlay *overlay)
-{
-	return 0;
-}
-static inline int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
-						struct drm_file *file_priv)
-{
-	return 0;
-}
-static inline int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
-					    struct drm_file *file_priv)
-{
-	return 0;
-}
-static inline void intel_overlay_reset(struct intel_display *display)
-{
-}
-#endif
-
-#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) && defined(I915)
-struct intel_overlay_snapshot *
-intel_overlay_snapshot_capture(struct intel_display *display);
-void intel_overlay_snapshot_print(const struct intel_overlay_snapshot *error,
-				  struct drm_printer *p);
-#else
-static inline struct intel_overlay_snapshot *
-intel_overlay_snapshot_capture(struct intel_display *display)
-{
-	return NULL;
-}
-static inline void intel_overlay_snapshot_print(const struct intel_overlay_snapshot *error,
-						struct drm_printer *p)
-{
-}
-#endif
 
 #endif /* __INTEL_OVERLAY_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_parent.c b/drivers/gpu/drm/i915/display/intel_parent.c
index 72ae553f79a4..2e3bad2b3e6b 100644
--- a/drivers/gpu/drm/i915/display/intel_parent.c
+++ b/drivers/gpu/drm/i915/display/intel_parent.c
@@ -23,6 +23,55 @@
 #include "intel_display_core.h"
 #include "intel_parent.h"
 
+/* dpt */
+struct intel_dpt *intel_parent_dpt_create(struct intel_display *display,
+					  struct drm_gem_object *obj, size_t size)
+{
+	if (display->parent->dpt)
+		return display->parent->dpt->create(obj, size);
+
+	return NULL;
+}
+
+void intel_parent_dpt_destroy(struct intel_display *display, struct intel_dpt *dpt)
+{
+	if (display->parent->dpt)
+		display->parent->dpt->destroy(dpt);
+}
+
+void intel_parent_dpt_suspend(struct intel_display *display, struct intel_dpt *dpt)
+{
+	if (display->parent->dpt)
+		display->parent->dpt->suspend(dpt);
+}
+
+void intel_parent_dpt_resume(struct intel_display *display, struct intel_dpt *dpt)
+{
+	if (display->parent->dpt)
+		display->parent->dpt->resume(dpt);
+}
+
+/* frontbuffer */
+struct intel_frontbuffer *intel_parent_frontbuffer_get(struct intel_display *display, struct drm_gem_object *obj)
+{
+	return display->parent->frontbuffer->get(obj);
+}
+
+void intel_parent_frontbuffer_ref(struct intel_display *display, struct intel_frontbuffer *front)
+{
+	display->parent->frontbuffer->ref(front);
+}
+
+void intel_parent_frontbuffer_put(struct intel_display *display, struct intel_frontbuffer *front)
+{
+	display->parent->frontbuffer->put(front);
+}
+
+void intel_parent_frontbuffer_flush_for_display(struct intel_display *display, struct intel_frontbuffer *front)
+{
+	display->parent->frontbuffer->flush_for_display(front);
+}
+
 /* hdcp */
 ssize_t intel_parent_hdcp_gsc_msg_send(struct intel_display *display,
 				       struct intel_hdcp_gsc_context *gsc_context,
@@ -59,6 +108,82 @@ void intel_parent_irq_synchronize(struct intel_display *display)
 	display->parent->irq->synchronize(display->drm);
 }
 
+/* overlay */
+bool intel_parent_overlay_is_active(struct intel_display *display)
+{
+	return display->parent->overlay->is_active(display->drm);
+}
+
+int intel_parent_overlay_on(struct intel_display *display,
+			    u32 frontbuffer_bits)
+{
+	return display->parent->overlay->overlay_on(display->drm,
+						    frontbuffer_bits);
+}
+
+int intel_parent_overlay_continue(struct intel_display *display,
+				  struct i915_vma *vma,
+				  bool load_polyphase_filter)
+{
+	return display->parent->overlay->overlay_continue(display->drm, vma,
+							  load_polyphase_filter);
+}
+
+int intel_parent_overlay_off(struct intel_display *display)
+{
+	return display->parent->overlay->overlay_off(display->drm);
+}
+
+int intel_parent_overlay_recover_from_interrupt(struct intel_display *display)
+{
+	return display->parent->overlay->recover_from_interrupt(display->drm);
+}
+
+int intel_parent_overlay_release_old_vid(struct intel_display *display)
+{
+	return display->parent->overlay->release_old_vid(display->drm);
+}
+
+void intel_parent_overlay_reset(struct intel_display *display)
+{
+	display->parent->overlay->reset(display->drm);
+}
+
+struct i915_vma *intel_parent_overlay_pin_fb(struct intel_display *display,
+					     struct drm_gem_object *obj,
+					     u32 *offset)
+{
+	return display->parent->overlay->pin_fb(display->drm, obj, offset);
+}
+
+void intel_parent_overlay_unpin_fb(struct intel_display *display,
+				   struct i915_vma *vma)
+{
+	return display->parent->overlay->unpin_fb(display->drm, vma);
+}
+
+struct drm_gem_object *intel_parent_overlay_obj_lookup(struct intel_display *display,
+						       struct drm_file *filp,
+						       u32 handle)
+{
+	return display->parent->overlay->obj_lookup(display->drm,
+						    filp, handle);
+}
+
+void __iomem *intel_parent_overlay_setup(struct intel_display *display,
+					 bool needs_physical)
+{
+	if (drm_WARN_ON_ONCE(display->drm, !display->parent->overlay))
+		return ERR_PTR(-ENODEV);
+
+	return display->parent->overlay->setup(display->drm, needs_physical);
+}
+
+void intel_parent_overlay_cleanup(struct intel_display *display)
+{
+	display->parent->overlay->cleanup(display->drm);
+}
+
 /* panic */
 struct intel_panic *intel_parent_panic_alloc(struct intel_display *display)
 {
@@ -92,6 +217,28 @@ void intel_parent_pc8_unblock(struct intel_display *display)
 	display->parent->pc8->unblock(display->drm);
 }
 
+/* pcode */
+int intel_parent_pcode_read(struct intel_display *display, u32 mbox, u32 *val, u32 *val1)
+{
+	return display->parent->pcode->read(display->drm, mbox, val, val1);
+}
+
+int intel_parent_pcode_write_timeout(struct intel_display *display, u32 mbox, u32 val, int timeout_ms)
+{
+	return display->parent->pcode->write(display->drm, mbox, val, timeout_ms);
+}
+
+int intel_parent_pcode_write(struct intel_display *display, u32 mbox, u32 val)
+{
+	return intel_parent_pcode_write_timeout(display, mbox, val, 1);
+}
+
+int intel_parent_pcode_request(struct intel_display *display, u32 mbox, u32 request,
+			       u32 reply_mask, u32 reply, int timeout_base_ms)
+{
+	return display->parent->pcode->request(display->drm, mbox, request, reply_mask, reply, timeout_base_ms);
+}
+
 /* rps */
 bool intel_parent_rps_available(struct intel_display *display)
 {
@@ -191,6 +338,15 @@ void intel_parent_stolen_node_free(struct intel_display *display, const struct i
 	display->parent->stolen->node_free(node);
 }
 
+/* vma */
+int intel_parent_vma_fence_id(struct intel_display *display, const struct i915_vma *vma)
+{
+	if (!display->parent->vma)
+		return -1;
+
+	return display->parent->vma->fence_id(vma);
+}
+
 /* generic */
 void intel_parent_fence_priority_display(struct intel_display *display, struct dma_fence *fence)
 {
diff --git a/drivers/gpu/drm/i915/display/intel_parent.h b/drivers/gpu/drm/i915/display/intel_parent.h
index 47cdc14f9aa2..2013e5ed5aa9 100644
--- a/drivers/gpu/drm/i915/display/intel_parent.h
+++ b/drivers/gpu/drm/i915/display/intel_parent.h
@@ -7,12 +7,30 @@
 #include <linux/types.h>
 
 struct dma_fence;
+struct drm_file;
+struct drm_gem_object;
 struct drm_scanout_buffer;
+struct i915_vma;
 struct intel_display;
+struct intel_dpt;
+struct intel_frontbuffer;
 struct intel_hdcp_gsc_context;
 struct intel_panic;
 struct intel_stolen_node;
 
+/* dpt */
+struct intel_dpt *intel_parent_dpt_create(struct intel_display *display,
+					  struct drm_gem_object *obj, size_t size);
+void intel_parent_dpt_destroy(struct intel_display *display, struct intel_dpt *dpt);
+void intel_parent_dpt_suspend(struct intel_display *display, struct intel_dpt *dpt);
+void intel_parent_dpt_resume(struct intel_display *display, struct intel_dpt *dpt);
+
+/* frontbuffer */
+struct intel_frontbuffer *intel_parent_frontbuffer_get(struct intel_display *display, struct drm_gem_object *obj);
+void intel_parent_frontbuffer_ref(struct intel_display *display, struct intel_frontbuffer *front);
+void intel_parent_frontbuffer_put(struct intel_display *display, struct intel_frontbuffer *front);
+void intel_parent_frontbuffer_flush_for_display(struct intel_display *display, struct intel_frontbuffer *front);
+
 /* hdcp */
 ssize_t intel_parent_hdcp_gsc_msg_send(struct intel_display *display,
 				       struct intel_hdcp_gsc_context *gsc_context,
@@ -27,6 +45,29 @@ void intel_parent_hdcp_gsc_context_free(struct intel_display *display,
 bool intel_parent_irq_enabled(struct intel_display *display);
 void intel_parent_irq_synchronize(struct intel_display *display);
 
+/* overlay */
+bool intel_parent_overlay_is_active(struct intel_display *display);
+int intel_parent_overlay_on(struct intel_display *display,
+			    u32 frontbuffer_bits);
+int intel_parent_overlay_continue(struct intel_display *display,
+				  struct i915_vma *vma,
+				  bool load_polyphase_filter);
+int intel_parent_overlay_off(struct intel_display *display);
+int intel_parent_overlay_recover_from_interrupt(struct intel_display *display);
+int intel_parent_overlay_release_old_vid(struct intel_display *display);
+void intel_parent_overlay_reset(struct intel_display *display);
+struct i915_vma *intel_parent_overlay_pin_fb(struct intel_display *display,
+					     struct drm_gem_object *obj,
+					     u32 *offset);
+void intel_parent_overlay_unpin_fb(struct intel_display *display,
+				   struct i915_vma *vma);
+struct drm_gem_object *intel_parent_overlay_obj_lookup(struct intel_display *display,
+						       struct drm_file *filp,
+						       u32 handle);
+void __iomem *intel_parent_overlay_setup(struct intel_display *display,
+					 bool needs_physical);
+void intel_parent_overlay_cleanup(struct intel_display *display);
+
 /* panic */
 struct intel_panic *intel_parent_panic_alloc(struct intel_display *display);
 int intel_parent_panic_setup(struct intel_display *display, struct intel_panic *panic, struct drm_scanout_buffer *sb);
@@ -36,6 +77,13 @@ void intel_parent_panic_finish(struct intel_display *display, struct intel_panic
 void intel_parent_pc8_block(struct intel_display *display);
 void intel_parent_pc8_unblock(struct intel_display *display);
 
+/* pcode */
+int intel_parent_pcode_read(struct intel_display *display, u32 mbox, u32 *val, u32 *val1);
+int intel_parent_pcode_write_timeout(struct intel_display *display, u32 mbox, u32 val, int timeout_ms);
+int intel_parent_pcode_write(struct intel_display *display, u32 mbox, u32 val);
+int intel_parent_pcode_request(struct intel_display *display, u32 mbox, u32 request,
+			       u32 reply_mask, u32 reply, int timeout_base_ms);
+
 /* rps */
 bool intel_parent_rps_available(struct intel_display *display);
 void intel_parent_rps_boost_if_not_started(struct intel_display *display, struct dma_fence *fence);
@@ -61,6 +109,9 @@ u64 intel_parent_stolen_node_size(struct intel_display *display, const struct in
 struct intel_stolen_node *intel_parent_stolen_node_alloc(struct intel_display *display);
 void intel_parent_stolen_node_free(struct intel_display *display, const struct intel_stolen_node *node);
 
+/* vma */
+int intel_parent_vma_fence_id(struct intel_display *display, const struct i915_vma *vma);
+
 /* generic */
 bool intel_parent_has_auxccs(struct intel_display *display);
 bool intel_parent_has_fenced_regions(struct intel_display *display);
diff --git a/drivers/gpu/drm/i915/display/intel_pch_display.c b/drivers/gpu/drm/i915/display/intel_pch_display.c
index 16619f7be5f8..69c7952a1413 100644
--- a/drivers/gpu/drm/i915/display/intel_pch_display.c
+++ b/drivers/gpu/drm/i915/display/intel_pch_display.c
@@ -6,7 +6,6 @@
 #include <drm/drm_print.h>
 
 #include "g4x_dp.h"
-#include "i915_reg.h"
 #include "intel_crt.h"
 #include "intel_crt_regs.h"
 #include "intel_de.h"
diff --git a/drivers/gpu/drm/i915/display/intel_pch_refclk.c b/drivers/gpu/drm/i915/display/intel_pch_refclk.c
index 9a89bb6dcf65..5f88663ef5e8 100644
--- a/drivers/gpu/drm/i915/display/intel_pch_refclk.c
+++ b/drivers/gpu/drm/i915/display/intel_pch_refclk.c
@@ -5,7 +5,6 @@
 
 #include <drm/drm_print.h>
 
-#include "i915_reg.h"
 #include "intel_de.h"
 #include "intel_display_regs.h"
 #include "intel_display_types.h"
diff --git a/drivers/gpu/drm/i915/display/intel_pmdemand.c b/drivers/gpu/drm/i915/display/intel_pmdemand.c
index f3db55710010..244806a26da3 100644
--- a/drivers/gpu/drm/i915/display/intel_pmdemand.c
+++ b/drivers/gpu/drm/i915/display/intel_pmdemand.c
@@ -15,6 +15,7 @@
 #include "intel_display_regs.h"
 #include "intel_display_trace.h"
 #include "intel_display_utils.h"
+#include "intel_display_wa.h"
 #include "intel_pmdemand.h"
 #include "intel_step.h"
 #include "skl_watermark.h"
@@ -129,9 +130,10 @@ int intel_pmdemand_init(struct intel_display *display)
 				     &pmdemand_state->base,
 				     &intel_pmdemand_funcs);
 
-	if (IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_C0))
-		/* Wa_14016740474 */
-		intel_de_rmw(display, XELPD_CHICKEN_DCPR_3, 0, DMD_RSP_TIMEOUT_DISABLE);
+	/* Wa_14016740474 */
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14016740474))
+		intel_de_rmw(display, XELPD_CHICKEN_DCPR_3, 0,
+			     DMD_RSP_TIMEOUT_DISABLE);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c
index b217ec7aa758..2d799af73bb7 100644
--- a/drivers/gpu/drm/i915/display/intel_pps.c
+++ b/drivers/gpu/drm/i915/display/intel_pps.c
@@ -9,7 +9,6 @@
 #include <drm/drm_print.h>
 
 #include "g4x_dp.h"
-#include "i915_reg.h"
 #include "intel_de.h"
 #include "intel_display_jiffies.h"
 #include "intel_display_power_well.h"
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 4ce1173a2e91..5041a5a138d1 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -29,7 +29,6 @@
 #include <drm/drm_print.h>
 #include <drm/drm_vblank.h>
 
-#include "i915_reg.h"
 #include "intel_alpm.h"
 #include "intel_atomic.h"
 #include "intel_crtc.h"
@@ -41,6 +40,7 @@
 #include "intel_display_rpm.h"
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
+#include "intel_display_wa.h"
 #include "intel_dmc.h"
 #include "intel_dp.h"
 #include "intel_dp_aux.h"
@@ -1083,7 +1083,7 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
 	}
 
 	/* Wa_22012278275:adl-p */
-	if (display->platform.alderlake_p && IS_DISPLAY_STEP(display, STEP_A0, STEP_E0)) {
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_22012278275)) {
 		static const u8 map[] = {
 			2, /* 5 lines */
 			1, /* 6 lines */
@@ -1264,7 +1264,7 @@ tgl_dc3co_exitline_compute_config(struct intel_dp *intel_dp,
 		return;
 
 	/* Wa_16011303918:adl-p */
-	if (display->platform.alderlake_p && IS_DISPLAY_STEP(display, STEP_A0, STEP_B0))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_16011303918))
 		return;
 
 	/*
@@ -1546,8 +1546,7 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
 	}
 
 	/* Wa_16011181250 */
-	if (display->platform.rocketlake || display->platform.alderlake_s ||
-	    display->platform.dg2) {
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_16011181250)) {
 		drm_dbg_kms(display->drm,
 			    "PSR2 is defeatured for this platform\n");
 		return false;
@@ -1829,8 +1828,7 @@ void intel_psr_set_non_psr_pipes(struct intel_dp *intel_dp,
 	u8 active_pipes = 0;
 
 	/* Wa_16025596647 */
-	if (DISPLAY_VER(display) != 20 &&
-	    !IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0))
+	if (!intel_display_wa(display, INTEL_DISPLAY_WA_16025596647))
 		return;
 
 	/* Not needed by Panel Replay  */
@@ -2130,6 +2128,9 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
 		intel_dmc_block_pkgc(display, intel_dp->psr.pipe, true);
 
 	intel_alpm_configure(intel_dp, crtc_state);
+
+	if (HAS_PSR_TRANS_PUSH_FRAME_CHANGE(display))
+		intel_vrr_psr_frame_change_enable(crtc_state);
 }
 
 static bool psr_interrupt_error_check(struct intel_dp *intel_dp)
@@ -2521,9 +2522,11 @@ void intel_psr_trigger_frame_change_event(struct intel_dsb *dsb,
 		intel_pre_commit_crtc_state(state, crtc);
 	struct intel_display *display = to_intel_display(crtc);
 
-	if (crtc_state->has_psr)
-		intel_de_write_dsb(display, dsb,
-				   CURSURFLIVE(display, crtc->pipe), 0);
+	if (!crtc_state->has_psr || intel_psr_use_trans_push(crtc_state))
+		return;
+
+	intel_de_write_dsb(display, dsb,
+			   CURSURFLIVE(display, crtc->pipe), 0);
 }
 
 /**
@@ -2619,6 +2622,12 @@ void intel_psr2_program_trans_man_trk_ctl(struct intel_dsb *dsb,
 
 	intel_de_write_dsb(display, dsb, PIPE_SRCSZ_ERLY_TPT(crtc->pipe),
 			   crtc_state->pipe_srcsz_early_tpt);
+
+	if (!crtc_state->dsc.compression_enable)
+		return;
+
+	intel_dsc_su_et_parameters_configure(dsb, encoder, crtc_state,
+					     drm_rect_height(&crtc_state->psr2_su_area));
 }
 
 static void psr2_man_trk_ctl_calc(struct intel_crtc_state *crtc_state,
@@ -2689,11 +2698,12 @@ static void clip_area_update(struct drm_rect *overlap_damage_area,
 		overlap_damage_area->y2 = damage_area->y2;
 }
 
-static void intel_psr2_sel_fetch_pipe_alignment(struct intel_crtc_state *crtc_state)
+static bool intel_psr2_sel_fetch_pipe_alignment(struct intel_crtc_state *crtc_state)
 {
 	struct intel_display *display = to_intel_display(crtc_state);
 	const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
 	u16 y_alignment;
+	bool su_area_changed = false;
 
 	/* ADLP aligns the SU region to vdsc slice height in case dsc is enabled */
 	if (crtc_state->dsc.compression_enable &&
@@ -2702,10 +2712,18 @@ static void intel_psr2_sel_fetch_pipe_alignment(struct intel_crtc_state *crtc_st
 	else
 		y_alignment = crtc_state->su_y_granularity;
 
-	crtc_state->psr2_su_area.y1 -= crtc_state->psr2_su_area.y1 % y_alignment;
-	if (crtc_state->psr2_su_area.y2 % y_alignment)
+	if (crtc_state->psr2_su_area.y1 % y_alignment) {
+		crtc_state->psr2_su_area.y1 -= crtc_state->psr2_su_area.y1 % y_alignment;
+		su_area_changed = true;
+	}
+
+	if (crtc_state->psr2_su_area.y2 % y_alignment) {
 		crtc_state->psr2_su_area.y2 = ((crtc_state->psr2_su_area.y2 /
 						y_alignment) + 1) * y_alignment;
+		su_area_changed = true;
+	}
+
+	return su_area_changed;
 }
 
 /*
@@ -2839,7 +2857,7 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
 	struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
 	struct intel_plane_state *new_plane_state, *old_plane_state;
 	struct intel_plane *plane;
-	bool full_update = false, cursor_in_su_area = false;
+	bool full_update = false, su_area_changed;
 	int i, ret;
 
 	if (!crtc_state->enable_psr2_sel_fetch)
@@ -2946,15 +2964,32 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
 	if (ret)
 		return ret;
 
-	/*
-	 * Adjust su area to cover cursor fully as necessary (early
-	 * transport). This needs to be done after
-	 * drm_atomic_add_affected_planes to ensure visible cursor is added into
-	 * affected planes even when cursor is not updated by itself.
-	 */
-	intel_psr2_sel_fetch_et_alignment(state, crtc, &cursor_in_su_area);
+	do {
+		bool cursor_in_su_area;
 
-	intel_psr2_sel_fetch_pipe_alignment(crtc_state);
+		/*
+		 * Adjust su area to cover cursor fully as necessary
+		 * (early transport). This needs to be done after
+		 * drm_atomic_add_affected_planes to ensure visible
+		 * cursor is added into affected planes even when
+		 * cursor is not updated by itself.
+		 */
+		intel_psr2_sel_fetch_et_alignment(state, crtc, &cursor_in_su_area);
+
+		su_area_changed = intel_psr2_sel_fetch_pipe_alignment(crtc_state);
+
+		/*
+		 * If the cursor was outside the SU area before
+		 * alignment, the alignment step (which only expands
+		 * SU) may pull the cursor partially inside, so we
+		 * must run ET alignment again to fully cover it. But
+		 * if the cursor was already fully inside before
+		 * alignment, expanding the SU area won't change that,
+		 * so no further work is needed.
+		 */
+		if (cursor_in_su_area)
+			break;
+	} while (su_area_changed);
 
 	/*
 	 * Now that we have the pipe damaged area check if it intersect with
@@ -3014,6 +3049,10 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
 	}
 
 skip_sel_fetch_set_loop:
+	if (full_update)
+		clip_area_update(&crtc_state->psr2_su_area, &crtc_state->pipe_src,
+				 &crtc_state->pipe_src);
+
 	psr2_man_trk_ctl_calc(crtc_state, full_update);
 	crtc_state->pipe_srcsz_early_tpt =
 		psr2_pipe_srcsz_early_tpt_calc(crtc_state, full_update);
@@ -3562,7 +3601,14 @@ static void _psr_flush_handle(struct intel_dp *intel_dp)
 {
 	struct intel_display *display = to_intel_display(intel_dp);
 
-	if (DISPLAY_VER(display) < 20 && intel_dp->psr.psr2_sel_fetch_enabled) {
+	if (DISPLAY_VER(display) >= 20) {
+		/*
+		 * We can use PSR exit on LunarLake onwards. Also
+		 * using trans push mechanism to trigger Frame Change
+		 * event requires using PSR exit.
+		 */
+		intel_psr_exit(intel_dp);
+	} else if (intel_dp->psr.psr2_sel_fetch_enabled) {
 		/* Selective fetch prior LNL */
 		if (intel_dp->psr.psr2_sel_fetch_cff_enabled) {
 			/* can we turn CFF off? */
@@ -3582,16 +3628,11 @@ static void _psr_flush_handle(struct intel_dp *intel_dp)
 		intel_psr_configure_full_frame_update(intel_dp);
 
 		intel_psr_force_update(intel_dp);
-	} else if (!intel_dp->psr.psr2_sel_fetch_enabled) {
+	} else {
 		/*
-		 * PSR1 on all platforms
-		 * PSR2 HW tracking
-		 * Panel Replay Full frame update
+		 * On older platforms using PSR exit was seen causing problems
 		 */
 		intel_psr_force_update(intel_dp);
-	} else {
-		/* Selective update LNL onwards */
-		intel_psr_exit(intel_dp);
 	}
 
 	if (!intel_dp->psr.active && !intel_dp->psr.busy_frontbuffer_bits)
@@ -3972,8 +4013,7 @@ static void psr_dc5_dc6_wa_work(struct work_struct *work)
  */
 void intel_psr_notify_dc5_dc6(struct intel_display *display)
 {
-	if (DISPLAY_VER(display) != 20 &&
-	    !IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0))
+	if (!intel_display_wa(display, INTEL_DISPLAY_WA_16025596647))
 		return;
 
 	schedule_work(&display->psr_dc5_dc6_wa_work);
@@ -3988,8 +4028,7 @@ void intel_psr_notify_dc5_dc6(struct intel_display *display)
  */
 void intel_psr_dc5_dc6_wa_init(struct intel_display *display)
 {
-	if (DISPLAY_VER(display) != 20 &&
-	    !IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0))
+	if (!intel_display_wa(display, INTEL_DISPLAY_WA_16025596647))
 		return;
 
 	INIT_WORK(&display->psr_dc5_dc6_wa_work, psr_dc5_dc6_wa_work);
@@ -4010,8 +4049,7 @@ void intel_psr_notify_pipe_change(struct intel_atomic_state *state,
 	struct intel_display *display = to_intel_display(state);
 	struct intel_encoder *encoder;
 
-	if (DISPLAY_VER(display) != 20 &&
-	    !IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0))
+	if (!intel_display_wa(display, INTEL_DISPLAY_WA_16025596647))
 		return;
 
 	for_each_intel_encoder_with_psr(display->drm, encoder) {
@@ -4567,3 +4605,10 @@ int intel_psr_min_guardband(struct intel_crtc_state *crtc_state)
 
 	return psr_min_guardband;
 }
+
+bool intel_psr_use_trans_push(const struct intel_crtc_state *crtc_state)
+{
+	struct intel_display *display = to_intel_display(crtc_state);
+
+	return HAS_PSR_TRANS_PUSH_FRAME_CHANGE(display) && crtc_state->has_psr;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_psr.h b/drivers/gpu/drm/i915/display/intel_psr.h
index b41dc4d44ff2..394b641840b3 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.h
+++ b/drivers/gpu/drm/i915/display/intel_psr.h
@@ -85,5 +85,6 @@ bool intel_psr_needs_alpm_aux_less(struct intel_dp *intel_dp,
 void intel_psr_compute_config_late(struct intel_dp *intel_dp,
 				   struct intel_crtc_state *crtc_state);
 int intel_psr_min_guardband(struct intel_crtc_state *crtc_state);
+bool intel_psr_use_trans_push(const struct intel_crtc_state *crtc_state);
 
 #endif /* __INTEL_PSR_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_rom.c b/drivers/gpu/drm/i915/display/intel_rom.c
index 05b6ea764ebb..d573059fb0d9 100644
--- a/drivers/gpu/drm/i915/display/intel_rom.c
+++ b/drivers/gpu/drm/i915/display/intel_rom.c
@@ -7,10 +7,9 @@
 
 #include <drm/drm_device.h>
 
-#include "i915_reg.h"
-
 #include "intel_rom.h"
 #include "intel_uncore.h"
+#include "intel_oprom_regs.h"
 
 struct intel_rom {
 	/* for PCI ROM */
diff --git a/drivers/gpu/drm/i915/display/intel_snps_hdmi_pll.c b/drivers/gpu/drm/i915/display/intel_snps_hdmi_pll.c
index a201edceee10..7fe6b4a18213 100644
--- a/drivers/gpu/drm/i915/display/intel_snps_hdmi_pll.c
+++ b/drivers/gpu/drm/i915/display/intel_snps_hdmi_pll.c
@@ -332,8 +332,6 @@ void intel_snps_hdmi_pll_compute_c10pll(struct intel_c10pll_state *pll_state, u6
 			      c10_curve_1, c10_curve_2, prescaler_divider,
 			      &pll_params);
 
-	pll_state->clock = pixel_clock;
-
 	pll_state->tx = 0x10;
 	pll_state->cmn = 0x1;
 	pll_state->pll[0] = REG_FIELD_PREP(C10_PLL0_DIV5CLK_EN, pll_params.mpll_div5_en) |
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index bd12148e42f7..a21dd4e3fe4c 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -7,7 +7,6 @@
 
 #include <drm/drm_print.h>
 
-#include "i915_reg.h"
 #include "intel_atomic.h"
 #include "intel_cx0_phy_regs.h"
 #include "intel_ddi.h"
@@ -1845,7 +1844,7 @@ bool intel_tc_port_link_reset(struct intel_digital_port *dig_port)
 	if (!intel_tc_port_link_needs_reset(dig_port))
 		return false;
 
-	queue_delayed_work(system_unbound_wq,
+	queue_delayed_work(system_dfl_wq,
 			   &to_tc_port(dig_port)->link_reset_work,
 			   msecs_to_jiffies(2000));
 
@@ -1926,7 +1925,7 @@ void intel_tc_port_unlock(struct intel_digital_port *dig_port)
 	struct intel_tc_port *tc = to_tc_port(dig_port);
 
 	if (!tc->link_refcount && tc->mode != TC_PORT_DISCONNECTED)
-		queue_delayed_work(system_unbound_wq, &tc->disconnect_phy_work,
+		queue_delayed_work(system_dfl_wq, &tc->disconnect_phy_work,
 				   msecs_to_jiffies(1000));
 
 	mutex_unlock(&tc->lock);
diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
index 57fda5824c9c..0dc13d080e8a 100644
--- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
@@ -1109,6 +1109,7 @@ struct bdb_edp {
 	u16 edp_dsc_disable;					/* 251+ */
 	u16 t6_delay_support;					/* 260+ */
 	u16 link_idle_time[16];					/* 260+ */
+	u16 pipe_joiner_enable;					/* 261+ */
 } __packed;
 
 /*
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c
index 5493082f30a7..6c09c6d99ffe 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.c
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
@@ -35,6 +35,58 @@ bool intel_dsc_source_support(const struct intel_crtc_state *crtc_state)
 	return true;
 }
 
+int intel_dsc_line_slice_count(const struct intel_dsc_slice_config *config)
+{
+	return config->pipes_per_line * config->streams_per_pipe * config->slices_per_stream;
+}
+
+bool intel_dsc_get_slice_config(struct intel_display *display,
+				int pipes_per_line, int slices_per_pipe,
+				struct intel_dsc_slice_config *config)
+{
+	int streams_per_pipe;
+
+	/* TODO: Add support for 8 slices per pipe on TGL+. */
+	switch (slices_per_pipe) {
+	case 3:
+		/*
+		 * 3 DSC Slices per pipe need 3 DSC engines, which is supported only
+		 * with Ultrajoiner only for some platforms.
+		 */
+		if (!HAS_DSC_3ENGINES(display) || pipes_per_line != 4)
+			return false;
+
+		streams_per_pipe = 3;
+		break;
+	case 4:
+		/* TODO: Consider using 1 DSC engine stream x 4 slices instead. */
+	case 2:
+		/* TODO: Consider using 1 DSC engine stream x 2 slices instead. */
+		streams_per_pipe = 2;
+		break;
+	case 1:
+		 /*
+		  * Bigjoiner needs small joiner to be enabled.
+		  * So there should be at least 2 dsc slices per pipe,
+		  * whenever bigjoiner is enabled.
+		  */
+		if (pipes_per_line > 1)
+			return false;
+
+		streams_per_pipe = 1;
+		break;
+	default:
+		MISSING_CASE(slices_per_pipe);
+		return false;
+	}
+
+	config->pipes_per_line = pipes_per_line;
+	config->streams_per_pipe = streams_per_pipe;
+	config->slices_per_stream = slices_per_pipe / streams_per_pipe;
+
+	return true;
+}
+
 static bool is_pipe_dsc(struct intel_crtc *crtc, enum transcoder cpu_transcoder)
 {
 	struct intel_display *display = to_intel_display(crtc);
@@ -278,8 +330,9 @@ int intel_dsc_compute_params(struct intel_crtc_state *pipe_config)
 	int ret;
 
 	vdsc_cfg->pic_width = pipe_config->hw.adjusted_mode.crtc_hdisplay;
-	vdsc_cfg->slice_width = DIV_ROUND_UP(vdsc_cfg->pic_width,
-					     pipe_config->dsc.slice_count);
+	vdsc_cfg->slice_width =
+		DIV_ROUND_UP(vdsc_cfg->pic_width,
+			     intel_dsc_line_slice_count(&pipe_config->dsc.slice_config));
 
 	err = intel_dsc_slice_dimensions_valid(pipe_config, vdsc_cfg);
 
@@ -416,7 +469,7 @@ intel_dsc_power_domain(struct intel_crtc *crtc, enum transcoder cpu_transcoder)
 
 static int intel_dsc_get_vdsc_per_pipe(const struct intel_crtc_state *crtc_state)
 {
-	return crtc_state->dsc.num_streams;
+	return crtc_state->dsc.slice_config.streams_per_pipe;
 }
 
 int intel_dsc_get_num_vdsc_instances(const struct intel_crtc_state *crtc_state)
@@ -767,6 +820,29 @@ void intel_dsc_dp_pps_write(struct intel_encoder *encoder,
 				  sizeof(dp_dsc_pps_sdp));
 }
 
+void intel_dsc_su_et_parameters_configure(struct intel_dsb *dsb, struct intel_encoder *encoder,
+					  const struct intel_crtc_state *crtc_state, int su_lines)
+{
+	struct intel_display *display = to_intel_display(crtc_state);
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
+	enum pipe pipe = crtc->pipe;
+	int vdsc_instances_per_pipe = intel_dsc_get_vdsc_per_pipe(crtc_state);
+	int slice_row_per_frame = su_lines / vdsc_cfg->slice_height;
+	u32 val;
+
+	drm_WARN_ON_ONCE(display->drm, su_lines % vdsc_cfg->slice_height);
+	drm_WARN_ON_ONCE(display->drm, vdsc_instances_per_pipe > 2);
+
+	val = DSC_SUPS0_SU_SLICE_ROW_PER_FRAME(slice_row_per_frame);
+	val |= DSC_SUPS0_SU_PIC_HEIGHT(su_lines);
+
+	intel_de_write_dsb(display, dsb, LNL_DSC0_SU_PARAMETER_SET_0(pipe), val);
+
+	if (vdsc_instances_per_pipe == 2)
+		intel_de_write_dsb(display, dsb, LNL_DSC1_SU_PARAMETER_SET_0(pipe), val);
+}
+
 static i915_reg_t dss_ctl1_reg(struct intel_crtc *crtc, enum transcoder cpu_transcoder)
 {
 	return is_pipe_dsc(crtc, cpu_transcoder) ?
@@ -1018,12 +1094,13 @@ void intel_dsc_get_config(struct intel_crtc_state *crtc_state)
 	if (!crtc_state->dsc.compression_enable)
 		goto out;
 
+	/* TODO: Read out slice_config.pipes_per_line/slices_per_stream as well */
 	if (dss_ctl1 & JOINER_ENABLE && dss_ctl2 & (VDSC2_ENABLE | SMALL_JOINER_CONFIG_3_ENGINES))
-		crtc_state->dsc.num_streams = 3;
+		crtc_state->dsc.slice_config.streams_per_pipe = 3;
 	else if (dss_ctl1 & JOINER_ENABLE && dss_ctl2 & VDSC1_ENABLE)
-		crtc_state->dsc.num_streams = 2;
+		crtc_state->dsc.slice_config.streams_per_pipe = 2;
 	else
-		crtc_state->dsc.num_streams = 1;
+		crtc_state->dsc.slice_config.streams_per_pipe = 1;
 
 	intel_dsc_get_pps_config(crtc_state);
 out:
@@ -1036,8 +1113,8 @@ static void intel_vdsc_dump_state(struct drm_printer *p, int indent,
 	drm_printf_indent(p, indent,
 			  "dsc-dss: compressed-bpp:" FXP_Q4_FMT ", slice-count: %d, num_streams: %d\n",
 			  FXP_Q4_ARGS(crtc_state->dsc.compressed_bpp_x16),
-			  crtc_state->dsc.slice_count,
-			  crtc_state->dsc.num_streams);
+			  intel_dsc_line_slice_count(&crtc_state->dsc.slice_config),
+			  crtc_state->dsc.slice_config.streams_per_pipe);
 }
 
 void intel_vdsc_state_dump(struct drm_printer *p, int indent,
@@ -1050,7 +1127,6 @@ void intel_vdsc_state_dump(struct drm_printer *p, int indent,
 	drm_dsc_dump_config(p, indent, &crtc_state->dsc.config);
 }
 
-static
 int intel_dsc_get_pixel_rate_with_dsc_bubbles(struct intel_display *display,
 					      int pixel_rate, int htotal,
 					      int dsc_horizontal_slices)
@@ -1072,7 +1148,7 @@ int intel_vdsc_min_cdclk(const struct intel_crtc_state *crtc_state)
 	struct intel_display *display = to_intel_display(crtc_state);
 	int num_vdsc_instances = intel_dsc_get_num_vdsc_instances(crtc_state);
 	int htotal = crtc_state->hw.adjusted_mode.crtc_htotal;
-	int dsc_slices = crtc_state->dsc.slice_count;
+	int dsc_slices = intel_dsc_line_slice_count(&crtc_state->dsc.slice_config);
 	int pixel_rate;
 	int min_cdclk;
 
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.h b/drivers/gpu/drm/i915/display/intel_vdsc.h
index 99f64ac54b27..3372f8694054 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.h
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.h
@@ -13,9 +13,16 @@ struct drm_printer;
 enum transcoder;
 struct intel_crtc;
 struct intel_crtc_state;
+struct intel_display;
+struct intel_dsb;
+struct intel_dsc_slice_config;
 struct intel_encoder;
 
 bool intel_dsc_source_support(const struct intel_crtc_state *crtc_state);
+int intel_dsc_line_slice_count(const struct intel_dsc_slice_config *config);
+bool intel_dsc_get_slice_config(struct intel_display *display,
+				int num_joined_pipes, int slice_per_pipe,
+				struct intel_dsc_slice_config *config);
 void intel_uncompressed_joiner_enable(const struct intel_crtc_state *crtc_state);
 void intel_dsc_enable(const struct intel_crtc_state *crtc_state);
 void intel_dsc_disable(const struct intel_crtc_state *crtc_state);
@@ -31,9 +38,14 @@ void intel_dsc_dsi_pps_write(struct intel_encoder *encoder,
 			     const struct intel_crtc_state *crtc_state);
 void intel_dsc_dp_pps_write(struct intel_encoder *encoder,
 			    const struct intel_crtc_state *crtc_state);
+void intel_dsc_su_et_parameters_configure(struct intel_dsb *dsb, struct intel_encoder *encoder,
+					  const struct intel_crtc_state *crtc_state, int su_lines);
 void intel_vdsc_state_dump(struct drm_printer *p, int indent,
 			   const struct intel_crtc_state *crtc_state);
 int intel_vdsc_min_cdclk(const struct intel_crtc_state *crtc_state);
 unsigned int intel_vdsc_prefill_lines(const struct intel_crtc_state *crtc_state);
+int intel_dsc_get_pixel_rate_with_dsc_bubbles(struct intel_display *display,
+					      int pixel_rate, int htotal,
+					      int dsc_horizontal_slices);
 
 #endif /* __INTEL_VDSC_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc_regs.h b/drivers/gpu/drm/i915/display/intel_vdsc_regs.h
index 2d478a84b07c..2b2e3c1b8138 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc_regs.h
+++ b/drivers/gpu/drm/i915/display/intel_vdsc_regs.h
@@ -196,6 +196,18 @@
 #define   DSC_PPS18_NSL_BPG_OFFSET(offset)	REG_FIELD_PREP(DSC_PPS18_NSL_BPG_OFFSET_MASK, offset)
 #define   DSC_PPS18_SL_OFFSET_ADJ(offset)	REG_FIELD_PREP(DSC_PPS18_SL_OFFSET_ADJ_MASK, offset)
 
+#define _LNL_DSC0_SU_PARAMETER_SET_0_PA		0x78064
+#define _LNL_DSC1_SU_PARAMETER_SET_0_PA		0x78164
+#define _LNL_DSC0_SU_PARAMETER_SET_0_PB		0x78264
+#define _LNL_DSC1_SU_PARAMETER_SET_0_PB		0x78364
+#define LNL_DSC0_SU_PARAMETER_SET_0(pipe)	_MMIO_PIPE((pipe), _LNL_DSC0_SU_PARAMETER_SET_0_PA, _LNL_DSC0_SU_PARAMETER_SET_0_PB)
+#define LNL_DSC1_SU_PARAMETER_SET_0(pipe)	_MMIO_PIPE((pipe), _LNL_DSC1_SU_PARAMETER_SET_0_PA, _LNL_DSC1_SU_PARAMETER_SET_0_PB)
+
+#define   DSC_SUPS0_SU_SLICE_ROW_PER_FRAME_MASK		REG_GENMASK(31, 20)
+#define   DSC_SUPS0_SU_SLICE_ROW_PER_FRAME(rows)	REG_FIELD_PREP(DSC_SUPS0_SU_SLICE_ROW_PER_FRAME_MASK, (rows))
+#define   DSC_SUPS0_SU_PIC_HEIGHT_MASK			REG_GENMASK(15, 0)
+#define   DSC_SUPS0_SU_PIC_HEIGHT(h)			REG_FIELD_PREP(DSC_SUPS0_SU_PIC_HEIGHT_MASK, (h))
+
 /* Icelake Rate Control Buffer Threshold Registers */
 #define DSCA_RC_BUF_THRESH_0			_MMIO(0x6B230)
 #define DSCA_RC_BUF_THRESH_0_UDW		_MMIO(0x6B230 + 4)
diff --git a/drivers/gpu/drm/i915/display/intel_vga.c b/drivers/gpu/drm/i915/display/intel_vga.c
index c45c4bbc3f95..9832a4ade318 100644
--- a/drivers/gpu/drm/i915/display/intel_vga.c
+++ b/drivers/gpu/drm/i915/display/intel_vga.c
@@ -18,6 +18,23 @@
 #include "intel_vga.h"
 #include "intel_vga_regs.h"
 
+static unsigned int intel_gmch_ctrl_reg(struct intel_display *display)
+{
+	return DISPLAY_VER(display) >= 6 ? SNB_GMCH_CTRL : I830_GMCH_CTRL;
+}
+
+static bool intel_vga_decode_is_enabled(struct intel_display *display)
+{
+	struct pci_dev *pdev = to_pci_dev(display->drm->dev);
+	u16 gmch_ctrl = 0;
+
+	if (pci_bus_read_config_word(pdev->bus, PCI_DEVFN(0, 0),
+				     intel_gmch_ctrl_reg(display), &gmch_ctrl))
+		return false;
+
+	return !(gmch_ctrl & INTEL_GMCH_VGA_DISABLE);
+}
+
 static i915_reg_t intel_vga_cntrl_reg(struct intel_display *display)
 {
 	if (display->platform.valleyview || display->platform.cherryview)
@@ -41,101 +58,266 @@ static bool has_vga_pipe_sel(struct intel_display *display)
 	return DISPLAY_VER(display) < 7;
 }
 
+static bool has_vga_mmio_access(struct intel_display *display)
+{
+	/* WaEnableVGAAccessThroughIOPort:ctg+ */
+	return DISPLAY_VER(display) < 5 && !display->platform.g4x;
+}
+
+static bool intel_pci_has_vga_io_decode(struct pci_dev *pdev)
+{
+	u16 cmd = 0;
+
+	pci_read_config_word(pdev, PCI_COMMAND, &cmd);
+	if ((cmd & PCI_COMMAND_IO) == 0)
+		return false;
+
+	pdev = pdev->bus->self;
+	while (pdev) {
+		u16 ctl = 0;
+
+		pci_read_config_word(pdev, PCI_BRIDGE_CONTROL, &ctl);
+		if ((ctl & PCI_BRIDGE_CTL_VGA) == 0)
+			return false;
+
+		pdev = pdev->bus->self;
+	}
+
+	return true;
+}
+
+static bool intel_pci_set_io_decode(struct pci_dev *pdev, bool enable)
+{
+	u16 old = 0, cmd;
+
+	pci_read_config_word(pdev, PCI_COMMAND, &old);
+	cmd = old & ~PCI_COMMAND_IO;
+	if (enable)
+		cmd |= PCI_COMMAND_IO;
+	pci_write_config_word(pdev, PCI_COMMAND, cmd);
+
+	return old & PCI_COMMAND_IO;
+}
+
+static bool intel_pci_bridge_set_vga(struct pci_dev *pdev, bool enable)
+{
+	u16 old = 0, ctl;
+
+	pci_read_config_word(pdev->bus->self, PCI_BRIDGE_CONTROL, &old);
+	ctl = old & ~PCI_BRIDGE_CTL_VGA;
+	if (enable)
+		ctl |= PCI_BRIDGE_CTL_VGA;
+	pci_write_config_word(pdev->bus->self, PCI_BRIDGE_CONTROL, ctl);
+
+	return old & PCI_BRIDGE_CTL_VGA;
+}
+
+static int intel_vga_get(struct intel_display *display, bool mmio,
+			 bool *old_io_decode)
+{
+	struct pci_dev *pdev = to_pci_dev(display->drm->dev);
+	int err;
+
+	if (mmio) {
+		*old_io_decode = false;
+		return 0;
+	}
+
+	/*
+	 * Bypass the VGA arbiter on the iGPU and just enable
+	 * IO decode by hand. This avoids clobbering the VGA
+	 * routing for an external GPU when it's the current
+	 * VGA device, and thus prevents the all 0xff/white
+	 * readout from VGA memory when taking over from vgacon.
+	 *
+	 * The iGPU has the highest VGA decode priority so it will
+	 * grab any VGA IO access when IO decode is enabled, regardless
+	 * of how any other VGA routing bits are configured.
+	 */
+	if (display->platform.dgfx) {
+		err = vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
+		if (err)
+			return err;
+	}
+
+	*old_io_decode = intel_pci_set_io_decode(pdev, true);
+
+	return 0;
+}
+
+static void intel_vga_put(struct intel_display *display, bool io_decode, bool mmio)
+{
+	struct pci_dev *pdev = to_pci_dev(display->drm->dev);
+
+	if (mmio)
+		return;
+
+	/* see intel_vga_get() */
+	intel_pci_set_io_decode(pdev, io_decode);
+
+	if (display->platform.dgfx)
+		vga_put(pdev, VGA_RSRC_LEGACY_IO);
+}
+
+u8 intel_vga_read(struct intel_display *display, u16 reg, bool mmio)
+{
+	if (mmio)
+		return intel_de_read8(display, _MMIO(reg));
+	else
+		return inb(reg);
+}
+
+static void intel_vga_write(struct intel_display *display, u16 reg, u8 val, bool mmio)
+{
+	if (mmio)
+		intel_de_write8(display, _MMIO(reg), val);
+	else
+		outb(val, reg);
+}
+
 /* Disable the VGA plane that we never use */
 void intel_vga_disable(struct intel_display *display)
 {
 	struct pci_dev *pdev = to_pci_dev(display->drm->dev);
 	i915_reg_t vga_reg = intel_vga_cntrl_reg(display);
-	enum pipe pipe;
+	bool mmio = has_vga_mmio_access(display);
+	bool io_decode;
+	u8 msr, sr1;
 	u32 tmp;
-	u8 sr1;
+	int err;
+
+	if (!intel_vga_decode_is_enabled(display)) {
+		drm_dbg_kms(display->drm, "VGA decode is disabled\n");
+
+		/*
+		 * On older hardware VGA_DISP_DISABLE defaults to 0, but
+		 * it *must* be set or else the pipe will be completely
+		 * stuck (at least on g4x).
+		 */
+		goto reset_vgacntr;
+	}
 
 	tmp = intel_de_read(display, vga_reg);
-	if (tmp & VGA_DISP_DISABLE)
-		return;
 
-	if (display->platform.cherryview)
-		pipe = REG_FIELD_GET(VGA_PIPE_SEL_MASK_CHV, tmp);
-	else if (has_vga_pipe_sel(display))
-		pipe = REG_FIELD_GET(VGA_PIPE_SEL_MASK, tmp);
-	else
-		pipe = PIPE_A;
+	if ((tmp & VGA_DISP_DISABLE) == 0) {
+		enum pipe pipe;
 
-	drm_dbg_kms(display->drm, "Disabling VGA plane on pipe %c\n",
-		    pipe_name(pipe));
+		if (display->platform.cherryview)
+			pipe = REG_FIELD_GET(VGA_PIPE_SEL_MASK_CHV, tmp);
+		else if (has_vga_pipe_sel(display))
+			pipe = REG_FIELD_GET(VGA_PIPE_SEL_MASK, tmp);
+		else
+			pipe = PIPE_A;
+
+		drm_dbg_kms(display->drm, "Disabling VGA plane on pipe %c\n",
+			    pipe_name(pipe));
+	} else {
+		drm_dbg_kms(display->drm, "VGA plane is disabled\n");
+
+		/*
+		 * Unfortunately at least some BIOSes (eg. HSW Lenovo
+		 * ThinkCentre E73) set up the VGA registers even when
+		 * in UEFI mode with the VGA plane disabled. So we need to
+		 * always clean up the mess for iGPUs. For discrete GPUs we
+		 * don't really care about the state of the VGA registers
+		 * since all VGA accesses can be blocked via the bridge.
+		 */
+		if (display->platform.dgfx)
+			goto reset_vgacntr;
+	}
+
+	/*
+	 * This should not fail, because the vga_get() family of functions
+	 * will only report errors for dGPUs that are unreachable via the
+	 * bridge, and cannot be made reachable either. We shouldn't even
+	 * get here for this case, but if we do, we assume that the bridge
+	 * will also refuse future requests to forward VGA accesses.
+	 */
+	err = intel_vga_get(display, mmio, &io_decode);
+	if (err)
+		goto reset_vgacntr;
+
+	drm_WARN_ON(display->drm, !mmio && !intel_pci_has_vga_io_decode(pdev));
+
+	intel_vga_write(display, VGA_SEQ_I, 0x01, mmio);
+	sr1 = intel_vga_read(display, VGA_SEQ_D, mmio);
+	sr1 |= VGA_SR01_SCREEN_OFF;
+	intel_vga_write(display, VGA_SEQ_D, sr1, mmio);
+
+	msr = intel_vga_read(display, VGA_MIS_R, mmio);
+	/*
+	 * Always disable VGA memory decode for iGPU so that
+	 * intel_vga_set_decode() doesn't need to access VGA registers.
+	 * VGA_MIS_ENB_MEM_ACCESS=0 is also the reset value.
+	 */
+	msr &= ~VGA_MIS_ENB_MEM_ACCESS;
+	/*
+	 * VGA_MIS_COLOR controls both GPU level and display engine level
+	 * MDA vs. CGA decode logic. But when the register gets reset
+	 * (reset value has VGA_MIS_COLOR=0) by the power well, only the
+	 * display engine level decode logic gets notified.
+	 *
+	 * Switch to MDA mode to make sure the GPU level decode logic will
+	 * be in sync with the display engine level decode logic after the
+	 * power well has been reset. Otherwise the GPU will claim CGA
+	 * register accesses but the display engine will not, causing
+	 * RMbus NoClaim errors.
+	 */
+	msr &= ~VGA_MIS_COLOR;
+	intel_vga_write(display, VGA_MIS_W, msr, mmio);
+
+	intel_vga_put(display, io_decode, mmio);
+
+	/*
+	 * Inform the arbiter about VGA memory decode being disabled so
+	 * that it doesn't disable all memory decode for the iGPU when
+	 * targeting another GPU.
+	 */
+	if (!display->platform.dgfx)
+		vga_set_legacy_decoding(pdev, VGA_RSRC_LEGACY_IO);
 
-	/* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */
-	vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
-	outb(0x01, VGA_SEQ_I);
-	sr1 = inb(VGA_SEQ_D);
-	outb(sr1 | VGA_SR01_SCREEN_OFF, VGA_SEQ_D);
-	vga_put(pdev, VGA_RSRC_LEGACY_IO);
 	udelay(300);
 
+reset_vgacntr:
 	intel_de_write(display, vga_reg, VGA_DISP_DISABLE);
 	intel_de_posting_read(display, vga_reg);
 }
 
-void intel_vga_reset_io_mem(struct intel_display *display)
-{
-	struct pci_dev *pdev = to_pci_dev(display->drm->dev);
-
-	/*
-	 * After we re-enable the power well, if we touch VGA register 0x3d5
-	 * we'll get unclaimed register interrupts. This stops after we write
-	 * anything to the VGA MSR register. The vgacon module uses this
-	 * register all the time, so if we unbind our driver and, as a
-	 * consequence, bind vgacon, we'll get stuck in an infinite loop at
-	 * console_unlock(). So make here we touch the VGA MSR register, making
-	 * sure vgacon can keep working normally without triggering interrupts
-	 * and error messages.
-	 */
-	vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
-	outb(inb(VGA_MIS_R), VGA_MIS_W);
-	vga_put(pdev, VGA_RSRC_LEGACY_IO);
-}
-
-static int intel_gmch_vga_set_state(struct intel_display *display, bool enable_decode)
-{
-	struct pci_dev *pdev = to_pci_dev(display->drm->dev);
-	unsigned int reg = DISPLAY_VER(display) >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL;
-	u16 gmch_ctrl;
-
-	if (pci_bus_read_config_word(pdev->bus, PCI_DEVFN(0, 0), reg, &gmch_ctrl)) {
-		drm_err(display->drm, "failed to read control word\n");
-		return -EIO;
-	}
-
-	if (!!(gmch_ctrl & INTEL_GMCH_VGA_DISABLE) == !enable_decode)
-		return 0;
-
-	if (enable_decode)
-		gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE;
-	else
-		gmch_ctrl |= INTEL_GMCH_VGA_DISABLE;
-
-	if (pci_bus_write_config_word(pdev->bus, PCI_DEVFN(0, 0), reg, gmch_ctrl)) {
-		drm_err(display->drm, "failed to write control word\n");
-		return -EIO;
-	}
-
-	return 0;
-}
-
-static unsigned int intel_gmch_vga_set_decode(struct pci_dev *pdev, bool enable_decode)
+static unsigned int intel_vga_set_decode(struct pci_dev *pdev, bool enable_decode)
 {
 	struct intel_display *display = to_intel_display(pdev);
+	unsigned int decodes = VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
 
-	intel_gmch_vga_set_state(display, enable_decode);
+	drm_dbg_kms(display->drm, "%s VGA decode due to VGA arbitration\n",
+		    str_enable_disable(enable_decode));
 
-	if (enable_decode)
-		return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
-		       VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
-	else
-		return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
+	/*
+	 * Can't use GMCH_CTRL INTEL_GMCH_VGA_DISABLE to disable VGA
+	 * decode on ILK+ since the register is locked. Instead
+	 * intel_disable_vga() will disable VGA memory decode for the
+	 * iGPU, and here we just need to take care of the IO decode.
+	 * For discrete GPUs we rely on the bridge VGA control.
+	 *
+	 * We can't disable IO decode already in intel_vga_disable()
+	 * because at least some laptops (eg. CTG Dell Latitude E5400)
+	 * will hang during reboot/shutfown with IO decode disabled.
+	 */
+	if (display->platform.dgfx) {
+		if (!enable_decode)
+			intel_pci_bridge_set_vga(pdev, false);
+		else
+			decodes |= VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM;
+	} else {
+		if (!enable_decode)
+			intel_pci_set_io_decode(pdev, false);
+		else
+			decodes |= VGA_RSRC_LEGACY_IO;
+	}
+
+	return decodes;
 }
 
-int intel_vga_register(struct intel_display *display)
+void intel_vga_register(struct intel_display *display)
 {
 
 	struct pci_dev *pdev = to_pci_dev(display->drm->dev);
@@ -149,11 +331,8 @@ int intel_vga_register(struct intel_display *display)
 	 * then we do not take part in VGA arbitration and the
 	 * vga_client_register() fails with -ENODEV.
 	 */
-	ret = vga_client_register(pdev, intel_gmch_vga_set_decode);
-	if (ret && ret != -ENODEV)
-		return ret;
-
-	return 0;
+	ret = vga_client_register(pdev, intel_vga_set_decode);
+	drm_WARN_ON(display->drm, ret && ret != -ENODEV);
 }
 
 void intel_vga_unregister(struct intel_display *display)
diff --git a/drivers/gpu/drm/i915/display/intel_vga.h b/drivers/gpu/drm/i915/display/intel_vga.h
index 16d699f3b641..72131cb536cd 100644
--- a/drivers/gpu/drm/i915/display/intel_vga.h
+++ b/drivers/gpu/drm/i915/display/intel_vga.h
@@ -6,11 +6,14 @@
 #ifndef __INTEL_VGA_H__
 #define __INTEL_VGA_H__
 
+#include <linux/types.h>
+
 struct intel_display;
 
+u8 intel_vga_read(struct intel_display *display, u16 reg, bool mmio);
 void intel_vga_reset_io_mem(struct intel_display *display);
 void intel_vga_disable(struct intel_display *display);
-int intel_vga_register(struct intel_display *display);
+void intel_vga_register(struct intel_display *display);
 void intel_vga_unregister(struct intel_display *display);
 
 #endif /* __INTEL_VGA_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index db74744ddb31..8a957804cb97 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -6,6 +6,7 @@
 
 #include <drm/drm_print.h>
 
+#include "intel_alpm.h"
 #include "intel_crtc.h"
 #include "intel_de.h"
 #include "intel_display_regs.h"
@@ -520,6 +521,7 @@ int intel_vrr_compute_optimized_guardband(struct intel_crtc_state *crtc_state)
 	if (intel_crtc_has_dp_encoder(crtc_state)) {
 		guardband = max(guardband, intel_psr_min_guardband(crtc_state));
 		guardband = max(guardband, intel_dp_sdp_min_guardband(crtc_state, true));
+		guardband = max(guardband, intel_alpm_lobf_min_guardband(crtc_state));
 	}
 
 	return guardband;
@@ -597,6 +599,18 @@ void intel_vrr_set_transcoder_timings(const struct intel_crtc_state *crtc_state)
 	if (!HAS_VRR(display))
 		return;
 
+	/*
+	 * Bspec says:
+	 * "(note: VRR needs to be programmed after
+	 *  TRANS_DDI_FUNC_CTL and before TRANS_CONF)."
+	 *
+	 * In practice it turns out that ICL can hang if
+	 * TRANS_VRR_VMAX/FLIPLINE are written before
+	 * enabling TRANS_DDI_FUNC_CTL.
+	 */
+	drm_WARN_ON(display->drm,
+		    !(intel_de_read(display, TRANS_DDI_FUNC_CTL(display, cpu_transcoder)) & TRANS_DDI_FUNC_ENABLE));
+
 	/*
 	 * This bit seems to have two meanings depending on the platform:
 	 * TGL: generate VRR "safe window" for DSB vblank waits
@@ -676,13 +690,32 @@ intel_vrr_dcb_reset(const struct intel_crtc_state *old_crtc_state,
 	intel_de_write(display, PIPEDMC_DCB_BALANCE_RESET(pipe), 0);
 }
 
+static u32 trans_vrr_push(const struct intel_crtc_state *crtc_state,
+			  bool send_push)
+{
+	struct intel_display *display = to_intel_display(crtc_state);
+	u32 trans_vrr_push = 0;
+
+	if (intel_vrr_always_use_vrr_tg(display) ||
+	    crtc_state->vrr.enable)
+		trans_vrr_push |= TRANS_PUSH_EN;
+
+	if (send_push)
+		trans_vrr_push |= TRANS_PUSH_SEND;
+
+	if (HAS_PSR_TRANS_PUSH_FRAME_CHANGE(display))
+		trans_vrr_push |= LNL_TRANS_PUSH_PSR_PR_EN;
+
+	return trans_vrr_push;
+}
+
 void intel_vrr_send_push(struct intel_dsb *dsb,
 			 const struct intel_crtc_state *crtc_state)
 {
 	struct intel_display *display = to_intel_display(crtc_state);
 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
 
-	if (!crtc_state->vrr.enable)
+	if (!crtc_state->vrr.enable && !intel_psr_use_trans_push(crtc_state))
 		return;
 
 	if (dsb)
@@ -690,8 +723,7 @@ void intel_vrr_send_push(struct intel_dsb *dsb,
 
 	intel_de_write_dsb(display, dsb,
 			   TRANS_PUSH(display, cpu_transcoder),
-			   TRANS_PUSH_EN | TRANS_PUSH_SEND);
-
+			   trans_vrr_push(crtc_state, true));
 	if (dsb)
 		intel_dsb_nonpost_end(dsb);
 }
@@ -876,7 +908,8 @@ static void intel_vrr_tg_enable(const struct intel_crtc_state *crtc_state,
 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
 	u32 vrr_ctl;
 
-	intel_de_write(display, TRANS_PUSH(display, cpu_transcoder), TRANS_PUSH_EN);
+	intel_de_write(display, TRANS_PUSH(display, cpu_transcoder),
+		       trans_vrr_push(crtc_state, false));
 
 	vrr_ctl = VRR_CTL_VRR_ENABLE | trans_vrr_ctl(crtc_state);
 
@@ -904,7 +937,8 @@ static void intel_vrr_tg_disable(const struct intel_crtc_state *old_crtc_state)
 				       VRR_STATUS_VRR_EN_LIVE, 1000))
 		drm_err(display->drm, "Timed out waiting for VRR live status to clear\n");
 
-	intel_de_write(display, TRANS_PUSH(display, cpu_transcoder), 0);
+	intel_de_rmw(display, TRANS_PUSH(display, cpu_transcoder),
+		     TRANS_PUSH_EN, 0);
 }
 
 void intel_vrr_enable(const struct intel_crtc_state *crtc_state)
@@ -939,6 +973,8 @@ void intel_vrr_transcoder_enable(const struct intel_crtc_state *crtc_state)
 {
 	struct intel_display *display = to_intel_display(crtc_state);
 
+	intel_vrr_set_transcoder_timings(crtc_state);
+
 	if (!intel_vrr_possible(crtc_state))
 		return;
 
@@ -957,6 +993,15 @@ void intel_vrr_transcoder_disable(const struct intel_crtc_state *old_crtc_state)
 		intel_vrr_tg_disable(old_crtc_state);
 }
 
+void intel_vrr_psr_frame_change_enable(const struct intel_crtc_state *crtc_state)
+{
+	struct intel_display *display = to_intel_display(crtc_state);
+	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
+
+	intel_de_write(display, TRANS_PUSH(display, cpu_transcoder),
+		       trans_vrr_push(crtc_state, false));
+}
+
 bool intel_vrr_is_fixed_rr(const struct intel_crtc_state *crtc_state)
 {
 	return crtc_state->vrr.flipline &&
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.h b/drivers/gpu/drm/i915/display/intel_vrr.h
index bedcc8c4bff2..4f16ca4af91f 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.h
+++ b/drivers/gpu/drm/i915/display/intel_vrr.h
@@ -33,6 +33,7 @@ void intel_vrr_dcb_increment_flip_count(struct intel_crtc_state *crtc_state,
 					struct intel_crtc *crtc);
 bool intel_vrr_is_push_sent(const struct intel_crtc_state *crtc_state);
 void intel_vrr_disable(const struct intel_crtc_state *old_crtc_state);
+void intel_vrr_psr_frame_change_enable(const struct intel_crtc_state *crtc_state);
 void intel_vrr_get_config(struct intel_crtc_state *crtc_state);
 int intel_vrr_vmax_vtotal(const struct intel_crtc_state *crtc_state);
 int intel_vrr_vmin_vtotal(const struct intel_crtc_state *crtc_state);
diff --git a/drivers/gpu/drm/i915/display/intel_vrr_regs.h b/drivers/gpu/drm/i915/display/intel_vrr_regs.h
index 427ada0d3973..9d4d6573a149 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr_regs.h
+++ b/drivers/gpu/drm/i915/display/intel_vrr_regs.h
@@ -165,6 +165,7 @@
 #define TRANS_PUSH(display, trans)		_MMIO_TRANS2((display), (trans), _TRANS_PUSH_A)
 #define   TRANS_PUSH_EN				REG_BIT(31)
 #define   TRANS_PUSH_SEND			REG_BIT(30)
+#define   LNL_TRANS_PUSH_PSR_PR_EN		REG_BIT(16)
 
 #define _TRANS_VRR_VSYNC_A			0x60078
 #define TRANS_VRR_VSYNC(display, trans)		_MMIO_TRANS2((display), (trans), _TRANS_VRR_VSYNC_A)
diff --git a/drivers/gpu/drm/i915/display/skl_scaler.c b/drivers/gpu/drm/i915/display/skl_scaler.c
index 4c4deac7f9c8..7c5cb188ebf0 100644
--- a/drivers/gpu/drm/i915/display/skl_scaler.c
+++ b/drivers/gpu/drm/i915/display/skl_scaler.c
@@ -823,7 +823,7 @@ void skl_pfit_enable(const struct intel_crtc_state *crtc_state)
 			crtc_state->scaler_state.scaler_id < 0))
 		return;
 
-	if (intel_display_wa(display, 14011503117))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14011503117))
 		adl_scaler_ecc_mask(crtc_state);
 
 	drm_rect_init(&src, 0, 0,
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index 746e942cafd2..11ba42c67e3e 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -17,7 +17,7 @@
 #include "intel_display_regs.h"
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
-#include "intel_dpt.h"
+#include "intel_display_wa.h"
 #include "intel_fb.h"
 #include "intel_fbc.h"
 #include "intel_frontbuffer.h"
@@ -1217,7 +1217,7 @@ static u32 skl_plane_ctl(const struct intel_plane_state *plane_state)
 		plane_ctl |= PLANE_CTL_KEY_ENABLE_SOURCE;
 
 	/* Wa_22012358565:adl-p */
-	if (DISPLAY_VER(display) == 13)
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_22012358565))
 		plane_ctl |= adlp_plane_ctl_arb_slots(plane_state);
 
 	return plane_ctl;
@@ -2793,8 +2793,7 @@ static bool tgl_plane_has_mc_ccs(struct intel_display *display,
 				 enum plane_id plane_id)
 {
 	/* Wa_14010477008 */
-	if (display->platform.dg1 || display->platform.rocketlake ||
-	    (display->platform.tigerlake && IS_DISPLAY_STEP(display, STEP_A0, STEP_D0)))
+	if (intel_display_wa(display, INTEL_DISPLAY_WA_14010477008))
 		return false;
 
 	return plane_id < PLANE_6;
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c
index f5a6fae815d1..b1f9546b8cda 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.c
+++ b/drivers/gpu/drm/i915/display/skl_watermark.c
@@ -7,8 +7,8 @@
 
 #include <drm/drm_blend.h>
 #include <drm/drm_print.h>
+#include <drm/intel/intel_pcode_regs.h>
 
-#include "i915_reg.h"
 #include "i9xx_wm.h"
 #include "intel_atomic.h"
 #include "intel_bw.h"
@@ -22,11 +22,12 @@
 #include "intel_display_rpm.h"
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
+#include "intel_display_wa.h"
 #include "intel_dram.h"
 #include "intel_fb.h"
 #include "intel_fixed.h"
 #include "intel_flipq.h"
-#include "intel_pcode.h"
+#include "intel_parent.h"
 #include "intel_plane.h"
 #include "intel_vblank.h"
 #include "intel_wm.h"
@@ -115,9 +116,8 @@ intel_sagv_block_time(struct intel_display *display)
 		u32 val = 0;
 		int ret;
 
-		ret = intel_pcode_read(display->drm,
-				       GEN12_PCODE_READ_SAGV_BLOCK_TIME_US,
-				       &val, NULL);
+		ret = intel_parent_pcode_read(display, GEN12_PCODE_READ_SAGV_BLOCK_TIME_US,
+					      &val, NULL);
 		if (ret) {
 			drm_dbg_kms(display->drm, "Couldn't read SAGV block time!\n");
 			return 0;
@@ -184,8 +184,8 @@ static void skl_sagv_enable(struct intel_display *display)
 		return;
 
 	drm_dbg_kms(display->drm, "Enabling SAGV\n");
-	ret = intel_pcode_write(display->drm, GEN9_PCODE_SAGV_CONTROL,
-				GEN9_SAGV_ENABLE);
+	ret = intel_parent_pcode_write(display, GEN9_PCODE_SAGV_CONTROL,
+				       GEN9_SAGV_ENABLE);
 
 	/* We don't need to wait for SAGV when enabling */
 
@@ -217,9 +217,9 @@ static void skl_sagv_disable(struct intel_display *display)
 
 	drm_dbg_kms(display->drm, "Disabling SAGV\n");
 	/* bspec says to keep retrying for at least 1 ms */
-	ret = intel_pcode_request(display->drm, GEN9_PCODE_SAGV_CONTROL,
-				  GEN9_SAGV_DISABLE,
-				  GEN9_SAGV_IS_DISABLED, GEN9_SAGV_IS_DISABLED, 1);
+	ret = intel_parent_pcode_request(display, GEN9_PCODE_SAGV_CONTROL,
+					 GEN9_SAGV_DISABLE,
+					 GEN9_SAGV_IS_DISABLED, GEN9_SAGV_IS_DISABLED, 1);
 	/*
 	 * Some skl systems, pre-release machines in particular,
 	 * don't actually have SAGV.
@@ -3283,7 +3283,7 @@ static void skl_read_wm_latency(struct intel_display *display)
 
 	/* read the first set of memory latencies[0:3] */
 	val = 0; /* data0 to be programmed to 0 for first set */
-	ret = intel_pcode_read(display->drm, GEN9_PCODE_READ_MEM_LATENCY, &val, NULL);
+	ret = intel_parent_pcode_read(display, GEN9_PCODE_READ_MEM_LATENCY, &val, NULL);
 	if (ret) {
 		drm_err(display->drm, "SKL Mailbox read error = %d\n", ret);
 		return;
@@ -3296,7 +3296,7 @@ static void skl_read_wm_latency(struct intel_display *display)
 
 	/* read the second set of memory latencies[4:7] */
 	val = 1; /* data0 to be programmed to 1 for second set */
-	ret = intel_pcode_read(display->drm, GEN9_PCODE_READ_MEM_LATENCY, &val, NULL);
+	ret = intel_parent_pcode_read(display, GEN9_PCODE_READ_MEM_LATENCY, &val, NULL);
 	if (ret) {
 		drm_err(display->drm, "SKL Mailbox read error = %d\n", ret);
 		return;
@@ -3413,7 +3413,7 @@ static u32 pipe_mbus_dbox_ctl(const struct intel_crtc *crtc,
 	if (DISPLAY_VER(display) >= 14)
 		val |= dbuf_state->joined_mbus ?
 			MBUS_DBOX_A_CREDIT(12) : MBUS_DBOX_A_CREDIT(8);
-	else if (display->platform.alderlake_p)
+	else if (intel_display_wa(display, INTEL_DISPLAY_WA_22010947358))
 		/* Wa_22010947358:adl-p */
 		val |= dbuf_state->joined_mbus ?
 			MBUS_DBOX_A_CREDIT(6) : MBUS_DBOX_A_CREDIT(4);
diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c
index 60857d2afdb1..36591d724638 100644
--- a/drivers/gpu/drm/i915/display/vlv_dsi.c
+++ b/drivers/gpu/drm/i915/display/vlv_dsi.c
@@ -33,7 +33,6 @@
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
-#include "i915_reg.h"
 #include "intel_atomic.h"
 #include "intel_backlight.h"
 #include "intel_connector.h"
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_clflush.c b/drivers/gpu/drm/i915/gem/i915_gem_clflush.c
index 30cc08583cbd..7782ba44fabd 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_clflush.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_clflush.c
@@ -22,7 +22,7 @@ static void __do_clflush(struct drm_i915_gem_object *obj)
 	GEM_BUG_ON(!i915_gem_object_has_pages(obj));
 	drm_clflush_sg(obj->mm.pages);
 
-	i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
+	i915_gem_object_frontbuffer_flush(obj, ORIGIN_CPU);
 }
 
 static void clflush_work(struct dma_fence_work *base)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
index ef3b14ae2e0d..df7502391b50 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
@@ -68,7 +68,7 @@ flush_write_domain(struct drm_i915_gem_object *obj, unsigned int flush_domains)
 			i915_vma_flush_writes(vma);
 		spin_unlock(&obj->vma.lock);
 
-		i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
+		i915_gem_object_frontbuffer_flush(obj, ORIGIN_CPU);
 		break;
 
 	case I915_GEM_DOMAIN_WC:
@@ -647,7 +647,7 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
 	i915_gem_object_unlock(obj);
 
 	if (!err && write_domain)
-		i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU);
+		i915_gem_object_frontbuffer_invalidate(obj, ORIGIN_CPU);
 
 out:
 	i915_gem_object_put(obj);
@@ -759,7 +759,7 @@ int i915_gem_object_prepare_write(struct drm_i915_gem_object *obj,
 	}
 
 out:
-	i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU);
+	i915_gem_object_frontbuffer_invalidate(obj, ORIGIN_CPU);
 	obj->mm.dirty = true;
 	/* return with the pages pinned */
 	return 0;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 798c920160cf..5172d3982654 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -474,30 +474,6 @@ static void i915_gem_free_object(struct drm_gem_object *gem_obj)
 		queue_work(i915->wq, &i915->mm.free_work);
 }
 
-void __i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj,
-					 enum fb_op_origin origin)
-{
-	struct i915_frontbuffer *front;
-
-	front = i915_gem_object_frontbuffer_lookup(obj);
-	if (front) {
-		intel_frontbuffer_flush(&front->base, origin);
-		i915_gem_object_frontbuffer_put(front);
-	}
-}
-
-void __i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj,
-					      enum fb_op_origin origin)
-{
-	struct i915_frontbuffer *front;
-
-	front = i915_gem_object_frontbuffer_lookup(obj);
-	if (front) {
-		intel_frontbuffer_invalidate(&front->base, origin);
-		i915_gem_object_frontbuffer_put(front);
-	}
-}
-
 static void
 i915_gem_object_read_from_page_kmap(struct drm_i915_gem_object *obj, u64 offset, void *dst, int size)
 {
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_frontbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_object_frontbuffer.c
index adba3fa96c05..f885c4fb1326 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object_frontbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object_frontbuffer.c
@@ -1,6 +1,8 @@
 // SPDX-License-Identifier: MIT
 /* Copyright © 2025 Intel Corporation */
 
+#include <drm/intel/display_parent_interface.h>
+
 #include "i915_drv.h"
 #include "i915_gem_object_frontbuffer.h"
 
@@ -101,3 +103,70 @@ void i915_gem_object_frontbuffer_put(struct i915_frontbuffer *front)
 	kref_put_lock(&front->ref, frontbuffer_release,
 		      &i915->frontbuffer_lock);
 }
+
+void __i915_gem_object_frontbuffer_flush(struct drm_i915_gem_object *obj,
+					 enum fb_op_origin origin)
+{
+	struct i915_frontbuffer *front;
+
+	front = i915_gem_object_frontbuffer_lookup(obj);
+	if (front) {
+		intel_frontbuffer_flush(&front->base, origin);
+		i915_gem_object_frontbuffer_put(front);
+	}
+}
+
+void __i915_gem_object_frontbuffer_invalidate(struct drm_i915_gem_object *obj,
+					      enum fb_op_origin origin)
+{
+	struct i915_frontbuffer *front;
+
+	front = i915_gem_object_frontbuffer_lookup(obj);
+	if (front) {
+		intel_frontbuffer_invalidate(&front->base, origin);
+		i915_gem_object_frontbuffer_put(front);
+	}
+}
+
+static struct intel_frontbuffer *i915_frontbuffer_get(struct drm_gem_object *_obj)
+{
+	struct drm_i915_gem_object *obj = to_intel_bo(_obj);
+	struct i915_frontbuffer *front;
+
+	front = i915_gem_object_frontbuffer_get(obj);
+	if (!front)
+		return NULL;
+
+	return &front->base;
+}
+
+static void i915_frontbuffer_ref(struct intel_frontbuffer *_front)
+{
+	struct i915_frontbuffer *front =
+		container_of(_front, typeof(*front), base);
+
+	i915_gem_object_frontbuffer_ref(front);
+}
+
+static void i915_frontbuffer_put(struct intel_frontbuffer *_front)
+{
+	struct i915_frontbuffer *front =
+		container_of(_front, typeof(*front), base);
+
+	return i915_gem_object_frontbuffer_put(front);
+}
+
+static void i915_frontbuffer_flush_for_display(struct intel_frontbuffer *_front)
+{
+	struct i915_frontbuffer *front =
+		container_of(_front, typeof(*front), base);
+
+	i915_gem_object_flush_if_display(front->obj);
+}
+
+const struct intel_display_frontbuffer_interface i915_display_frontbuffer_interface = {
+	.get = i915_frontbuffer_get,
+	.ref = i915_frontbuffer_ref,
+	.put = i915_frontbuffer_put,
+	.flush_for_display = i915_frontbuffer_flush_for_display,
+};
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_frontbuffer.h b/drivers/gpu/drm/i915/gem/i915_gem_object_frontbuffer.h
index 2133e29047c5..9c6d91f21c19 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object_frontbuffer.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object_frontbuffer.h
@@ -20,31 +20,41 @@ struct i915_frontbuffer {
 	struct kref ref;
 };
 
-void __i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj,
+void __i915_gem_object_frontbuffer_flush(struct drm_i915_gem_object *obj,
 					 enum fb_op_origin origin);
-void __i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj,
+void __i915_gem_object_frontbuffer_invalidate(struct drm_i915_gem_object *obj,
 					      enum fb_op_origin origin);
 
 static inline void
-i915_gem_object_flush_frontbuffer(struct drm_i915_gem_object *obj,
+i915_gem_object_frontbuffer_flush(struct drm_i915_gem_object *obj,
 				  enum fb_op_origin origin)
 {
 	if (unlikely(rcu_access_pointer(obj->frontbuffer)))
-		__i915_gem_object_flush_frontbuffer(obj, origin);
+		__i915_gem_object_frontbuffer_flush(obj, origin);
 }
 
 static inline void
-i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj,
+i915_gem_object_frontbuffer_invalidate(struct drm_i915_gem_object *obj,
 				       enum fb_op_origin origin)
 {
 	if (unlikely(rcu_access_pointer(obj->frontbuffer)))
-		__i915_gem_object_invalidate_frontbuffer(obj, origin);
+		__i915_gem_object_frontbuffer_invalidate(obj, origin);
 }
 
 struct i915_frontbuffer *i915_gem_object_frontbuffer_get(struct drm_i915_gem_object *obj);
 void i915_gem_object_frontbuffer_ref(struct i915_frontbuffer *front);
 void i915_gem_object_frontbuffer_put(struct i915_frontbuffer *front);
 
+static inline void i915_gem_object_frontbuffer_track(struct i915_frontbuffer *_old,
+						     struct i915_frontbuffer *_new,
+						     unsigned int frontbuffer_bits)
+{
+	struct intel_frontbuffer *old = _old ? &_old->base : NULL;
+	struct intel_frontbuffer *new = _new ? &_new->base : NULL;
+
+	intel_frontbuffer_track(old, new, frontbuffer_bits);
+}
+
 /**
  * i915_gem_object_frontbuffer_lookup - Look up the object's frontbuffer
  * @obj: The object whose frontbuffer to look up.
@@ -81,4 +91,6 @@ i915_gem_object_frontbuffer_lookup(const struct drm_i915_gem_object *obj)
 	return front;
 }
 
+extern const struct intel_display_frontbuffer_interface i915_display_frontbuffer_interface;
+
 #endif
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_phys.c b/drivers/gpu/drm/i915/gem/i915_gem_phys.c
index ce2780ef97ef..e375afbf458e 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_phys.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_phys.c
@@ -155,7 +155,7 @@ int i915_gem_object_pwrite_phys(struct drm_i915_gem_object *obj,
 	 * We manually control the domain here and pretend that it
 	 * remains coherent i.e. in the GTT domain, like shmem_pwrite.
 	 */
-	i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU);
+	i915_gem_object_frontbuffer_invalidate(obj, ORIGIN_CPU);
 
 	if (copy_from_user(vaddr, user_data, args->size))
 		return -EFAULT;
@@ -163,7 +163,7 @@ int i915_gem_object_pwrite_phys(struct drm_i915_gem_object *obj,
 	drm_clflush_virt_range(vaddr, args->size);
 	intel_gt_chipset_flush(to_gt(i915));
 
-	i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
+	i915_gem_object_frontbuffer_flush(obj, ORIGIN_CPU);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
index 3a7e202ae87d..56489cc127d6 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
@@ -408,7 +408,7 @@ static void __memcpy_cb(struct dma_fence *fence, struct dma_fence_cb *cb)
 
 	if (unlikely(fence->error || I915_SELFTEST_ONLY(fail_gpu_migration))) {
 		INIT_WORK(&copy_work->work, __memcpy_work);
-		queue_work(system_unbound_wq, &copy_work->work);
+		queue_work(system_dfl_wq, &copy_work->work);
 	} else {
 		init_irq_work(&copy_work->irq_work, __memcpy_irq_work);
 		irq_work_queue(&copy_work->irq_work);
diff --git a/drivers/gpu/drm/i915/gt/gen6_ppgtt.c b/drivers/gpu/drm/i915/gt/gen6_ppgtt.c
index e8fab45759c3..438cd4724ac4 100644
--- a/drivers/gpu/drm/i915/gt/gen6_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/gen6_ppgtt.c
@@ -67,7 +67,7 @@ void gen6_ppgtt_enable(struct intel_gt *gt)
 	if (HAS_PPGTT(uncore->i915)) /* may be disabled for VT-d */
 		intel_uncore_write(uncore,
 				   GFX_MODE,
-				   _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
+				   REG_MASKED_FIELD_ENABLE(GFX_PPGTT_ENABLE));
 }
 
 /* PPGTT support for Sandybdrige/Gen6 and later */
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index d37966ec7a92..c0fd349a4600 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -1233,7 +1233,7 @@ static int intel_engine_init_tlb_invalidation(struct intel_engine_cs *engine)
 	     engine->class == VIDEO_ENHANCEMENT_CLASS ||
 	     engine->class == COMPUTE_CLASS ||
 	     engine->class == OTHER_CLASS))
-		engine->tlb_inv.request = _MASKED_BIT_ENABLE(val);
+		engine->tlb_inv.request = REG_MASKED_FIELD_ENABLE(val);
 	else
 		engine->tlb_inv.request = val;
 
@@ -1628,7 +1628,7 @@ static int __intel_engine_stop_cs(struct intel_engine_cs *engine,
 	const i915_reg_t mode = RING_MI_MODE(engine->mmio_base);
 	int err;
 
-	intel_uncore_write_fw(uncore, mode, _MASKED_BIT_ENABLE(STOP_RING));
+	intel_uncore_write_fw(uncore, mode, REG_MASKED_FIELD_ENABLE(STOP_RING));
 
 	/*
 	 * Wa_22011802037: Prior to doing a reset, ensure CS is
@@ -1636,7 +1636,7 @@ static int __intel_engine_stop_cs(struct intel_engine_cs *engine,
 	 */
 	if (intel_engine_reset_needs_wa_22011802037(engine->gt))
 		intel_uncore_write_fw(uncore, RING_MODE_GEN7(engine->mmio_base),
-				      _MASKED_BIT_ENABLE(GEN12_GFX_PREFETCH_DISABLE));
+				      REG_MASKED_FIELD_ENABLE(GEN12_GFX_PREFETCH_DISABLE));
 
 	err = __intel_wait_for_register_fw(engine->uncore, mode,
 					   MODE_IDLE, MODE_IDLE,
@@ -1692,7 +1692,7 @@ void intel_engine_cancel_stop_cs(struct intel_engine_cs *engine)
 {
 	ENGINE_TRACE(engine, "\n");
 
-	ENGINE_WRITE_FW(engine, RING_MI_MODE, _MASKED_BIT_DISABLE(STOP_RING));
+	ENGINE_WRITE_FW(engine, RING_MI_MODE, REG_MASKED_FIELD_DISABLE(STOP_RING));
 }
 
 static u32 __cs_pending_mi_force_wakes(struct intel_engine_cs *engine)
@@ -1967,7 +1967,8 @@ void intel_engines_reset_default_submission(struct intel_gt *gt)
 		if (engine->sanitize)
 			engine->sanitize(engine);
 
-		engine->set_default_submission(engine);
+		if (engine->set_default_submission)
+			engine->set_default_submission(engine);
 	}
 }
 
@@ -2551,7 +2552,7 @@ void xehp_enable_ccs_engines(struct intel_engine_cs *engine)
 		return;
 
 	intel_uncore_write(engine->uncore, GEN12_RCU_MODE,
-			   _MASKED_BIT_ENABLE(GEN12_RCU_MODE_CCS_ENABLE));
+			   REG_MASKED_FIELD_ENABLE(GEN12_RCU_MODE_CCS_ENABLE));
 }
 
 #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.c b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
index fb7bff27b45a..26196a57041e 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
@@ -24,7 +24,7 @@ static void intel_gsc_idle_msg_enable(struct intel_engine_cs *engine)
 	if (MEDIA_VER(i915) >= 13 && engine->id == GSC0) {
 		intel_uncore_write(engine->gt->uncore,
 				   RC_PSMI_CTRL_GSCCS,
-				   _MASKED_BIT_DISABLE(IDLE_MSG_DISABLE));
+				   REG_MASKED_FIELD_DISABLE(IDLE_MSG_DISABLE));
 		/* hysteresis 0xA=5us as recommended in spec*/
 		intel_uncore_write(engine->gt->uncore,
 				   PWRCTX_MAXCNT_GSCCS,
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
index cafe0b8e6bdd..1359fc9cb88e 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
@@ -2934,12 +2934,12 @@ static void enable_execlists(struct intel_engine_cs *engine)
 	intel_engine_set_hwsp_writemask(engine, ~0u); /* HWSTAM */
 
 	if (GRAPHICS_VER(engine->i915) >= 11)
-		mode = _MASKED_BIT_ENABLE(GEN11_GFX_DISABLE_LEGACY_MODE);
+		mode = REG_MASKED_FIELD_ENABLE(GEN11_GFX_DISABLE_LEGACY_MODE);
 	else
-		mode = _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE);
+		mode = REG_MASKED_FIELD_ENABLE(GFX_RUN_LIST_ENABLE);
 	ENGINE_WRITE_FW(engine, RING_MODE_GEN7, mode);
 
-	ENGINE_WRITE_FW(engine, RING_MI_MODE, _MASKED_BIT_DISABLE(STOP_RING));
+	ENGINE_WRITE_FW(engine, RING_MI_MODE, REG_MASKED_FIELD_DISABLE(STOP_RING));
 
 	ENGINE_WRITE_FW(engine,
 			RING_HWS_PGA,
diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
index db995dce914a..ac9aede82320 100644
--- a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
+++ b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
@@ -6,6 +6,7 @@
 #include <linux/highmem.h>
 
 #include <drm/drm_print.h>
+#include <drm/intel/intel_gmd_misc_regs.h>
 
 #include "display/intel_display.h"
 #include "i915_drv.h"
@@ -915,15 +916,15 @@ void intel_gt_init_swizzling(struct intel_gt *gt)
 	if (GRAPHICS_VER(i915) == 6)
 		intel_uncore_write(uncore,
 				   ARB_MODE,
-				   _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_SNB));
+				   REG_MASKED_FIELD_ENABLE(ARB_MODE_SWIZZLE_SNB));
 	else if (GRAPHICS_VER(i915) == 7)
 		intel_uncore_write(uncore,
 				   ARB_MODE,
-				   _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_IVB));
+				   REG_MASKED_FIELD_ENABLE(ARB_MODE_SWIZZLE_IVB));
 	else if (GRAPHICS_VER(i915) == 8)
 		intel_uncore_write(uncore,
 				   GAMTARBMODE,
-				   _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_BDW));
+				   REG_MASKED_FIELD_ENABLE(ARB_MODE_SWIZZLE_BDW));
 	else
 		MISSING_CASE(GRAPHICS_VER(i915));
 }
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index ac527d878820..d76121e117e1 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -5,6 +5,7 @@
 
 #include <drm/drm_managed.h>
 #include <drm/intel/intel-gtt.h>
+#include <drm/intel/intel_gmd_interrupt_regs.h>
 
 #include "gem/i915_gem_internal.h"
 #include "gem/i915_gem_lmem.h"
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_irq.c b/drivers/gpu/drm/i915/gt/intel_gt_irq.c
index 75e802e10be2..d85c849c0081 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_irq.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_irq.c
@@ -5,6 +5,8 @@
 
 #include <linux/sched/clock.h>
 
+#include <drm/intel/intel_gmd_interrupt_regs.h>
+
 #include "i915_drv.h"
 #include "i915_irq.h"
 #include "i915_reg.h"
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c b/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c
index c0aff4b3cbba..babaf16e72f2 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c
@@ -8,6 +8,7 @@
 #include <linux/string_helpers.h>
 
 #include <drm/drm_print.h>
+#include <drm/intel/intel_pcode_regs.h>
 
 #include "i915_drv.h"
 #include "i915_reg.h"
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index 7421ed18d8d1..3ba9b2206b79 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -61,6 +61,9 @@
 
 #define GMD_ID_GRAPHICS				_MMIO(0xd8c)
 #define GMD_ID_MEDIA				_MMIO(MTL_MEDIA_GSI_BASE + 0xd8c)
+#define   GMD_ID_ARCH_MASK			REG_GENMASK(31, 22)
+#define   GMD_ID_RELEASE_MASK			REG_GENMASK(21, 14)
+#define   GMD_ID_STEP				REG_GENMASK(5, 0)
 
 #define MCFG_MCR_SELECTOR			_MMIO(0xfd0)
 #define MTL_STEER_SEMAPHORE			_MMIO(0xfd0)
@@ -318,11 +321,9 @@
 #define _RING_FAULT_REG_VCS			0x4194
 #define _RING_FAULT_REG_BCS			0x4294
 #define _RING_FAULT_REG_VECS			0x4394
-#define RING_FAULT_REG(engine)			_MMIO(_PICK((engine)->class, \
-							    _RING_FAULT_REG_RCS, \
-							    _RING_FAULT_REG_VCS, \
-							    _RING_FAULT_REG_VECS, \
-							    _RING_FAULT_REG_BCS))
+#define RING_FAULT_REG(engine)			_MMIO(_PICK_EVEN((engine)->class, \
+								 _RING_FAULT_REG_RCS, \
+								 _RING_FAULT_REG_VCS))
 #define   RING_FAULT_VADDR_MASK			REG_GENMASK(31, 12) /* pre-bdw */
 #define   RING_FAULT_ENGINE_ID_MASK		REG_GENMASK(16, 12) /* bdw+ */
 #define   RING_FAULT_GTTSEL_MASK		REG_BIT(11) /* pre-bdw */
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c
index 1154cd2b7c34..a48601395dce 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c
@@ -7,6 +7,8 @@
 #include <linux/sysfs.h>
 #include <linux/printk.h>
 
+#include <drm/intel/intel_pcode_regs.h>
+
 #include "i915_drv.h"
 #include "i915_reg.h"
 #include "i915_sysfs.h"
diff --git a/drivers/gpu/drm/i915/gt/intel_llc.c b/drivers/gpu/drm/i915/gt/intel_llc.c
index 1d19c073ba2e..bcd707e3d436 100644
--- a/drivers/gpu/drm/i915/gt/intel_llc.c
+++ b/drivers/gpu/drm/i915/gt/intel_llc.c
@@ -6,6 +6,8 @@
 #include <asm/tsc.h>
 #include <linux/cpufreq.h>
 
+#include <drm/intel/intel_pcode_regs.h>
+
 #include "i915_drv.h"
 #include "i915_reg.h"
 #include "intel_gt.h"
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index d36e543e98df..147d22907960 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -846,16 +846,16 @@ static void init_common_regs(u32 * const regs,
 	u32 ctl;
 	int loc;
 
-	ctl = _MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH);
-	ctl |= _MASKED_BIT_DISABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT);
+	ctl = REG_MASKED_FIELD_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH);
+	ctl |= REG_MASKED_FIELD_DISABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT);
 	if (inhibit)
 		ctl |= CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT;
 	if (GRAPHICS_VER(engine->i915) < 11)
-		ctl |= _MASKED_BIT_DISABLE(CTX_CTRL_ENGINE_CTX_SAVE_INHIBIT |
-					   CTX_CTRL_RS_CTX_ENABLE);
+		ctl |= REG_MASKED_FIELD_DISABLE(CTX_CTRL_ENGINE_CTX_SAVE_INHIBIT |
+						CTX_CTRL_RS_CTX_ENABLE);
 	/* Wa_14019159160 - Case 2.*/
 	if (ctx_needs_runalone(ce))
-		ctl |= _MASKED_BIT_ENABLE(GEN12_CTX_CTRL_RUNALONE_MODE);
+		ctl |= REG_MASKED_FIELD_ENABLE(GEN12_CTX_CTRL_RUNALONE_MODE);
 	regs[CTX_CONTEXT_CONTROL] = ctl;
 
 	regs[CTX_TIMESTAMP] = ce->stats.runtime.last;
@@ -1344,7 +1344,7 @@ gen12_invalidate_state_cache(u32 *cs)
 {
 	*cs++ = MI_LOAD_REGISTER_IMM(1);
 	*cs++ = i915_mmio_reg_offset(GEN12_CS_DEBUG_MODE2);
-	*cs++ = _MASKED_BIT_ENABLE(INSTRUCTION_STATE_CACHE_INVALIDATE);
+	*cs++ = REG_MASKED_FIELD_ENABLE(INSTRUCTION_STATE_CACHE_INVALIDATE);
 	return cs;
 }
 
@@ -1736,22 +1736,19 @@ static u32 *gen9_init_indirectctx_bb(struct intel_engine_cs *engine, u32 *batch)
 		/* WaDisableGatherAtSetShaderCommonSlice:skl,bxt,kbl,glk */
 		{
 			COMMON_SLICE_CHICKEN2,
-			__MASKED_FIELD(GEN9_DISABLE_GATHER_AT_SET_SHADER_COMMON_SLICE,
-				       0),
+			REG_MASKED_FIELD_DISABLE(GEN9_DISABLE_GATHER_AT_SET_SHADER_COMMON_SLICE),
 		},
 
 		/* BSpec: 11391 */
 		{
 			FF_SLICE_CHICKEN,
-			__MASKED_FIELD(FF_SLICE_CHICKEN_CL_PROVOKING_VERTEX_FIX,
-				       FF_SLICE_CHICKEN_CL_PROVOKING_VERTEX_FIX),
+			REG_MASKED_FIELD_ENABLE(FF_SLICE_CHICKEN_CL_PROVOKING_VERTEX_FIX),
 		},
 
 		/* BSpec: 11299 */
 		{
 			_3D_CHICKEN3,
-			__MASKED_FIELD(_3D_CHICKEN_SF_PROVOKING_VERTEX_FIX,
-				       _3D_CHICKEN_SF_PROVOKING_VERTEX_FIX),
+			REG_MASKED_FIELD_ENABLE(_3D_CHICKEN_SF_PROVOKING_VERTEX_FIX),
 		}
 	};
 
diff --git a/drivers/gpu/drm/i915/gt/intel_rc6.c b/drivers/gpu/drm/i915/gt/intel_rc6.c
index 286d49ecc449..e91e5cdca26c 100644
--- a/drivers/gpu/drm/i915/gt/intel_rc6.c
+++ b/drivers/gpu/drm/i915/gt/intel_rc6.c
@@ -7,6 +7,8 @@
 #include <linux/string_helpers.h>
 
 #include <drm/drm_print.h>
+#include <drm/intel/intel_pcode_regs.h>
+#include <drm/intel/intel_gmd_interrupt_regs.h>
 
 #include "display/vlv_clock.h"
 #include "gem/i915_gem_region.h"
@@ -376,9 +378,9 @@ static void chv_rc6_enable(struct intel_rc6 *rc6)
 
 	/* Allows RC6 residency counter to work */
 	intel_uncore_write_fw(uncore, VLV_COUNTER_CONTROL,
-			      _MASKED_BIT_ENABLE(VLV_COUNT_RANGE_HIGH |
-						 VLV_MEDIA_RC6_COUNT_EN |
-						 VLV_RENDER_RC6_COUNT_EN));
+			      REG_MASKED_FIELD_ENABLE(VLV_COUNT_RANGE_HIGH |
+						      VLV_MEDIA_RC6_COUNT_EN |
+						      VLV_RENDER_RC6_COUNT_EN));
 
 	/* 3: Enable RC6 */
 	rc6->ctl_enable = GEN7_RC_CTL_TO_MODE;
@@ -401,11 +403,11 @@ static void vlv_rc6_enable(struct intel_rc6 *rc6)
 
 	/* Allows RC6 residency counter to work */
 	intel_uncore_write_fw(uncore, VLV_COUNTER_CONTROL,
-			      _MASKED_BIT_ENABLE(VLV_COUNT_RANGE_HIGH |
-						 VLV_MEDIA_RC0_COUNT_EN |
-						 VLV_RENDER_RC0_COUNT_EN |
-						 VLV_MEDIA_RC6_COUNT_EN |
-						 VLV_RENDER_RC6_COUNT_EN));
+			      REG_MASKED_FIELD_ENABLE(VLV_COUNT_RANGE_HIGH |
+						      VLV_MEDIA_RC0_COUNT_EN |
+						      VLV_RENDER_RC0_COUNT_EN |
+						      VLV_MEDIA_RC6_COUNT_EN |
+						      VLV_RENDER_RC6_COUNT_EN));
 
 	rc6->ctl_enable =
 	    GEN7_RC_CTL_TO_MODE | VLV_RC_CTL_CTX_RST_PARALLEL;
@@ -761,17 +763,17 @@ static u64 vlv_residency_raw(struct intel_uncore *uncore, const i915_reg_t reg)
 	 * set the high bit to be safe.
 	 */
 	intel_uncore_write_fw(uncore, VLV_COUNTER_CONTROL,
-			      _MASKED_BIT_ENABLE(VLV_COUNT_RANGE_HIGH));
+			      REG_MASKED_FIELD_ENABLE(VLV_COUNT_RANGE_HIGH));
 	upper = intel_uncore_read_fw(uncore, reg);
 	do {
 		tmp = upper;
 
 		intel_uncore_write_fw(uncore, VLV_COUNTER_CONTROL,
-				      _MASKED_BIT_DISABLE(VLV_COUNT_RANGE_HIGH));
+				      REG_MASKED_FIELD_DISABLE(VLV_COUNT_RANGE_HIGH));
 		lower = intel_uncore_read_fw(uncore, reg);
 
 		intel_uncore_write_fw(uncore, VLV_COUNTER_CONTROL,
-				      _MASKED_BIT_ENABLE(VLV_COUNT_RANGE_HIGH));
+				      REG_MASKED_FIELD_ENABLE(VLV_COUNT_RANGE_HIGH));
 		upper = intel_uncore_read_fw(uncore, reg);
 	} while (upper != tmp && --loop);
 
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index 41b5036dc538..984d0056c01c 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -586,7 +586,7 @@ static int gen8_engine_reset_prepare(struct intel_engine_cs *engine)
 		return 0;
 	}
 
-	intel_uncore_write_fw(uncore, reg, _MASKED_BIT_ENABLE(request));
+	intel_uncore_write_fw(uncore, reg, REG_MASKED_FIELD_ENABLE(request));
 	ret = __intel_wait_for_register_fw(uncore, reg, mask, ack,
 					   700, 0, NULL);
 	if (ret)
@@ -602,7 +602,7 @@ static void gen8_engine_reset_cancel(struct intel_engine_cs *engine)
 {
 	intel_uncore_write_fw(engine->uncore,
 			      RING_RESET_CTL(engine->mmio_base),
-			      _MASKED_BIT_DISABLE(RESET_CTL_REQUEST_RESET));
+			      REG_MASKED_FIELD_DISABLE(RESET_CTL_REQUEST_RESET));
 }
 
 static int gen8_reset_engines(struct intel_gt *gt,
diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
index 8314a4b0505e..064e7cce412f 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
@@ -4,6 +4,8 @@
  */
 
 #include <drm/drm_cache.h>
+#include <drm/intel/intel_gmd_interrupt_regs.h>
+#include <drm/intel/intel_gmd_misc_regs.h>
 
 #include "gem/i915_gem_internal.h"
 
@@ -126,8 +128,7 @@ static void flush_cs_tlb(struct intel_engine_cs *engine)
 			 engine->name);
 
 	ENGINE_WRITE_FW(engine, RING_INSTPM,
-			_MASKED_BIT_ENABLE(INSTPM_TLB_INVALIDATE |
-					   INSTPM_SYNC_FLUSH));
+			REG_MASKED_FIELD_ENABLE(INSTPM_TLB_INVALIDATE | INSTPM_SYNC_FLUSH));
 	if (__intel_wait_for_register_fw(engine->uncore,
 					 RING_INSTPM(engine->mmio_base),
 					 INSTPM_SYNC_FLUSH, 0,
@@ -170,7 +171,7 @@ static void set_pp_dir(struct intel_engine_cs *engine)
 	if (GRAPHICS_VER(engine->i915) >= 7) {
 		ENGINE_WRITE_FW(engine,
 				RING_MODE_GEN7,
-				_MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
+				REG_MASKED_FIELD_ENABLE(GFX_PPGTT_ENABLE));
 	}
 }
 
@@ -274,7 +275,7 @@ static int xcs_resume(struct intel_engine_cs *engine)
 
 	if (GRAPHICS_VER(engine->i915) > 2) {
 		ENGINE_WRITE_FW(engine,
-				RING_MI_MODE, _MASKED_BIT_DISABLE(STOP_RING));
+				RING_MI_MODE, REG_MASKED_FIELD_DISABLE(STOP_RING));
 		ENGINE_POSTING_READ(engine, RING_MI_MODE);
 	}
 
@@ -717,7 +718,7 @@ static int load_pd_dir(struct i915_request *rq,
 
 	*cs++ = MI_LOAD_REGISTER_IMM(1);
 	*cs++ = i915_mmio_reg_offset(RING_INSTPM(engine->mmio_base));
-	*cs++ = _MASKED_BIT_ENABLE(INSTPM_TLB_INVALIDATE);
+	*cs++ = REG_MASKED_FIELD_ENABLE(INSTPM_TLB_INVALIDATE);
 
 	intel_ring_advance(rq, cs);
 
@@ -766,8 +767,7 @@ static int mi_set_context(struct i915_request *rq,
 
 				*cs++ = i915_mmio_reg_offset(
 					   RING_PSMI_CTL(signaller->mmio_base));
-				*cs++ = _MASKED_BIT_ENABLE(
-						GEN6_PSMI_SLEEP_MSG_DISABLE);
+				*cs++ = REG_MASKED_FIELD_ENABLE(GEN6_PSMI_SLEEP_MSG_DISABLE);
 			}
 		}
 	} else if (GRAPHICS_VER(i915) == 5) {
@@ -820,8 +820,7 @@ static int mi_set_context(struct i915_request *rq,
 
 				last_reg = RING_PSMI_CTL(signaller->mmio_base);
 				*cs++ = i915_mmio_reg_offset(last_reg);
-				*cs++ = _MASKED_BIT_DISABLE(
-						GEN6_PSMI_SLEEP_MSG_DISABLE);
+				*cs++ = REG_MASKED_FIELD_DISABLE(GEN6_PSMI_SLEEP_MSG_DISABLE);
 			}
 
 			/* Insert a delay before the next switch! */
@@ -1053,7 +1052,7 @@ static void gen6_bsd_submit_request(struct i915_request *request)
 	 * will then assume that it is busy and bring it out of rc6.
 	 */
 	intel_uncore_write_fw(uncore, RING_PSMI_CTL(GEN6_BSD_RING_BASE),
-			      _MASKED_BIT_ENABLE(GEN6_PSMI_SLEEP_MSG_DISABLE));
+			      REG_MASKED_FIELD_ENABLE(GEN6_PSMI_SLEEP_MSG_DISABLE));
 
 	/* Clear the context id. Here be magic! */
 	intel_uncore_write64_fw(uncore, GEN6_BSD_RNCID, 0x0);
@@ -1074,7 +1073,7 @@ static void gen6_bsd_submit_request(struct i915_request *request)
 	 * and so let it sleep to conserve power when idle.
 	 */
 	intel_uncore_write_fw(uncore, RING_PSMI_CTL(GEN6_BSD_RING_BASE),
-			      _MASKED_BIT_DISABLE(GEN6_PSMI_SLEEP_MSG_DISABLE));
+			      REG_MASKED_FIELD_DISABLE(GEN6_PSMI_SLEEP_MSG_DISABLE));
 
 	intel_uncore_forcewake_put(uncore, FORCEWAKE_ALL);
 }
diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c
index 90b7eee78f1f..844f2716a386 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.c
+++ b/drivers/gpu/drm/i915/gt/intel_rps.c
@@ -7,6 +7,7 @@
 
 #include <drm/intel/i915_drm.h>
 #include <drm/intel/display_parent_interface.h>
+#include <drm/intel/intel_pcode_regs.h>
 
 #include "display/intel_display_rps.h"
 #include "display/vlv_clock.h"
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index b0ee3d0ae681..24ea5d8d529c 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -3,6 +3,8 @@
  * Copyright © 2014-2018 Intel Corporation
  */
 
+#include <drm/intel/intel_gmd_misc_regs.h>
+
 #include "i915_drv.h"
 #include "i915_reg.h"
 #include "i915_mmio_range.h"
@@ -298,39 +300,39 @@ wa_mcr_write_clr(struct i915_wa_list *wal, i915_mcr_reg_t reg, u32 clr)
 static void
 wa_masked_en(struct i915_wa_list *wal, i915_reg_t reg, u32 val)
 {
-	wa_add(wal, reg, 0, _MASKED_BIT_ENABLE(val), val, true);
+	wa_add(wal, reg, 0, REG_MASKED_FIELD_ENABLE(val), val, true);
 }
 
 static void
 wa_mcr_masked_en(struct i915_wa_list *wal, i915_mcr_reg_t reg, u32 val)
 {
-	wa_mcr_add(wal, reg, 0, _MASKED_BIT_ENABLE(val), val, true);
+	wa_mcr_add(wal, reg, 0, REG_MASKED_FIELD_ENABLE(val), val, true);
 }
 
 static void
 wa_masked_dis(struct i915_wa_list *wal, i915_reg_t reg, u32 val)
 {
-	wa_add(wal, reg, 0, _MASKED_BIT_DISABLE(val), val, true);
+	wa_add(wal, reg, 0, REG_MASKED_FIELD_DISABLE(val), val, true);
 }
 
 static void
 wa_mcr_masked_dis(struct i915_wa_list *wal, i915_mcr_reg_t reg, u32 val)
 {
-	wa_mcr_add(wal, reg, 0, _MASKED_BIT_DISABLE(val), val, true);
+	wa_mcr_add(wal, reg, 0, REG_MASKED_FIELD_DISABLE(val), val, true);
 }
 
 static void
 wa_masked_field_set(struct i915_wa_list *wal, i915_reg_t reg,
 		    u32 mask, u32 val)
 {
-	wa_add(wal, reg, 0, _MASKED_FIELD(mask, val), mask, true);
+	wa_add(wal, reg, 0, REG_MASKED_FIELD(mask, val), mask, true);
 }
 
 static void
 wa_mcr_masked_field_set(struct i915_wa_list *wal, i915_mcr_reg_t reg,
 			u32 mask, u32 val)
 {
-	wa_mcr_add(wal, reg, 0, _MASKED_FIELD(mask, val), mask, true);
+	wa_mcr_add(wal, reg, 0, REG_MASKED_FIELD(mask, val), mask, true);
 }
 
 static void gen6_ctx_workarounds_init(struct intel_engine_cs *engine,
@@ -664,7 +666,7 @@ static void icl_ctx_workarounds_init(struct intel_engine_cs *engine,
 
 	/* WaEnableFloatBlendOptimization:icl */
 	wa_mcr_add(wal, GEN10_CACHE_MODE_SS, 0,
-		   _MASKED_BIT_ENABLE(FLOAT_BLEND_OPTIMIZATION_ENABLE),
+		   REG_MASKED_FIELD_ENABLE(FLOAT_BLEND_OPTIMIZATION_ENABLE),
 		   0 /* write-only, so skip validation */,
 		   true);
 
@@ -1129,7 +1131,7 @@ hsw_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
 
 	wa_add(wal,
 	       HSW_ROW_CHICKEN3, 0,
-	       _MASKED_BIT_ENABLE(HSW_ROW_CHICKEN3_L3_GLOBAL_ATOMICS_DISABLE),
+	       REG_MASKED_FIELD_ENABLE(HSW_ROW_CHICKEN3_L3_GLOBAL_ATOMICS_DISABLE),
 	       0 /* XXX does this reg exist? */, true);
 
 	/* WaVSRefCountFullforceMissDisable:hsw */
@@ -2270,7 +2272,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 	    IS_DG2(i915)) {
 		/* Wa_14015150844 */
 		wa_mcr_add(wal, XEHP_HDC_CHICKEN0, 0,
-			   _MASKED_BIT_ENABLE(DIS_ATOMIC_CHAINING_TYPED_WRITES),
+			   REG_MASKED_FIELD_ENABLE(DIS_ATOMIC_CHAINING_TYPED_WRITES),
 			   0, true);
 	}
 
@@ -2661,7 +2663,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 	if (IS_GRAPHICS_VER(i915, 4, 6))
 		/* WaTimedSingleVertexDispatch:cl,bw,ctg,elk,ilk,snb */
 		wa_add(wal, RING_MI_MODE(RENDER_RING_BASE),
-		       0, _MASKED_BIT_ENABLE(VS_TIMER_DISPATCH),
+		       0, REG_MASKED_FIELD_ENABLE(VS_TIMER_DISPATCH),
 		       /* XXX bit doesn't stick on Broadwater */
 		       IS_I965G(i915) ? 0 : VS_TIMER_DISPATCH, true);
 
@@ -2677,7 +2679,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 		 * enabled.
 		 */
 		wa_add(wal, ECOSKPD(RENDER_RING_BASE),
-		       0, _MASKED_BIT_ENABLE(ECO_CONSTANT_BUFFER_SR_DISABLE),
+		       0, REG_MASKED_FIELD_ENABLE(ECO_CONSTANT_BUFFER_SR_DISABLE),
 		       0 /* XXX bit doesn't stick on Broadwater */,
 		       true);
 }
@@ -2877,7 +2879,7 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
 		 * we need to explicitly skip the readback.
 		 */
 		wa_mcr_add(wal, GEN10_CACHE_MODE_SS, 0,
-			   _MASKED_BIT_ENABLE(ENABLE_PREFETCH_INTO_IC),
+			   REG_MASKED_FIELD_ENABLE(ENABLE_PREFETCH_INTO_IC),
 			   0 /* write-only, so skip validation */,
 			   true);
 	}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
index 52ec4421a211..1c2764440323 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
@@ -624,7 +624,7 @@ int intel_guc_crash_process_msg(struct intel_guc *guc, u32 action)
 	else
 		guc_err(guc, "Unknown crash notification: 0x%04X\n", action);
 
-	queue_work(system_unbound_wq, &guc->dead_guc_worker);
+	queue_work(system_dfl_wq, &guc->dead_guc_worker);
 
 	return 0;
 }
@@ -646,7 +646,7 @@ int intel_guc_to_host_process_recv_msg(struct intel_guc *guc,
 		guc_err(guc, "Received early exception notification!\n");
 
 	if (msg & (INTEL_GUC_RECV_MSG_CRASH_DUMP_POSTED | INTEL_GUC_RECV_MSG_EXCEPTION))
-		queue_work(system_unbound_wq, &guc->dead_guc_worker);
+		queue_work(system_dfl_wq, &guc->dead_guc_worker);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
index 8c4da526d461..1c455d84bf9d 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
@@ -31,7 +31,7 @@ static void ct_dead_ct_worker_func(struct work_struct *w);
 	do { \
 		if (!(ct)->dead_ct_reported) { \
 			(ct)->dead_ct_reason |= 1 << CT_DEAD_##reason; \
-			queue_work(system_unbound_wq, &(ct)->dead_ct_worker); \
+			queue_work(system_dfl_wq, &(ct)->dead_ct_worker); \
 		} \
 	} while (0)
 #else
@@ -1238,7 +1238,7 @@ static int ct_handle_event(struct intel_guc_ct *ct, struct ct_incoming_msg *requ
 	list_add_tail(&request->link, &ct->requests.incoming);
 	spin_unlock_irqrestore(&ct->requests.lock, flags);
 
-	queue_work(system_unbound_wq, &ct->requests.worker);
+	queue_work(system_dfl_wq, &ct->requests.worker);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index 142183d3f7fb..788e59cdfac9 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -3385,7 +3385,7 @@ static void guc_context_sched_disable(struct intel_context *ce)
 	} else if (!intel_context_is_closed(ce) && !guc_id_pressure(guc, ce) &&
 		   delay) {
 		spin_unlock_irqrestore(&ce->guc_state.lock, flags);
-		mod_delayed_work(system_unbound_wq,
+		mod_delayed_work(system_dfl_wq,
 				 &ce->guc_state.sched_disable_delay_work,
 				 msecs_to_jiffies(delay));
 	} else {
@@ -3611,7 +3611,7 @@ static void guc_context_destroy(struct kref *kref)
 	 * take the GT PM for the first time which isn't allowed from an atomic
 	 * context.
 	 */
-	queue_work(system_unbound_wq, &guc->submission_state.destroyed_worker);
+	queue_work(system_dfl_wq, &guc->submission_state.destroyed_worker);
 }
 
 static int guc_context_alloc(struct intel_context *ce)
@@ -4414,9 +4414,9 @@ static void start_engine(struct intel_engine_cs *engine)
 {
 	ENGINE_WRITE_FW(engine,
 			RING_MODE_GEN7,
-			_MASKED_BIT_ENABLE(GEN11_GFX_DISABLE_LEGACY_MODE));
+			REG_MASKED_FIELD_ENABLE(GEN11_GFX_DISABLE_LEGACY_MODE));
 
-	ENGINE_WRITE_FW(engine, RING_MI_MODE, _MASKED_BIT_DISABLE(STOP_RING));
+	ENGINE_WRITE_FW(engine, RING_MI_MODE, REG_MASKED_FIELD_DISABLE(STOP_RING));
 	ENGINE_POSTING_READ(engine, RING_MI_MODE);
 }
 
@@ -5380,7 +5380,7 @@ int intel_guc_engine_failure_process_msg(struct intel_guc *guc,
 	 * A GT reset flushes this worker queue (G2H handler) so we must use
 	 * another worker to trigger a GT reset.
 	 */
-	queue_work(system_unbound_wq, &guc->submission_state.reset_fail_worker);
+	queue_work(system_dfl_wq, &guc->submission_state.reset_fail_worker);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
index 5a9f7749acff..7fac97fe30a6 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
@@ -1065,7 +1065,7 @@ static int uc_fw_xfer(struct intel_uc_fw *uc_fw, u32 dst_offset, u32 dma_flags)
 
 	/* Start the DMA */
 	intel_uncore_write_fw(uncore, DMA_CTRL,
-			      _MASKED_BIT_ENABLE(dma_flags | START_DMA));
+			      REG_MASKED_FIELD_ENABLE(dma_flags | START_DMA));
 
 	/* Wait for DMA to finish */
 	ret = intel_wait_for_register_fw(uncore, DMA_CTRL, START_DMA, 0, 100, NULL);
@@ -1075,7 +1075,7 @@ static int uc_fw_xfer(struct intel_uc_fw *uc_fw, u32 dst_offset, u32 dma_flags)
 		       intel_uncore_read_fw(uncore, DMA_CTRL));
 
 	/* Disable the bits once DMA is over */
-	intel_uncore_write_fw(uncore, DMA_CTRL, _MASKED_BIT_DISABLE(dma_flags));
+	intel_uncore_write_fw(uncore, DMA_CTRL, REG_MASKED_FIELD_DISABLE(dma_flags));
 
 	intel_uncore_forcewake_put(uncore, FORCEWAKE_ALL);
 
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index b868a0501886..e4ed47ffd2d8 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -37,6 +37,7 @@
 #include <linux/slab.h>
 
 #include <drm/drm_print.h>
+#include <drm/intel/intel_gmd_misc_regs.h>
 
 #include "display/i9xx_plane_regs.h"
 #include "display/intel_display_regs.h"
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
index fe4302c8cae5..00451fcb1005 100644
--- a/drivers/gpu/drm/i915/gvt/display.c
+++ b/drivers/gpu/drm/i915/gvt/display.c
@@ -39,7 +39,6 @@
 #include "display/i9xx_plane_regs.h"
 #include "display/intel_crt_regs.h"
 #include "display/intel_cursor_regs.h"
-#include "display/intel_display.h"
 #include "display/intel_display_regs.h"
 #include "display/intel_dpio_phy.h"
 #include "display/intel_dpll_mgr.h"
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index b0d8d3e74ae7..a34f56630af9 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -40,16 +40,18 @@
 
 #include <drm/display/drm_dp.h>
 #include <drm/drm_print.h>
+#include <drm/intel/intel_pcode_regs.h>
+#include <drm/intel/intel_gmd_interrupt_regs.h>
 
 #include "display/bxt_dpio_phy_regs.h"
 #include "display/i9xx_plane_regs.h"
 #include "display/intel_crt_regs.h"
 #include "display/intel_cursor_regs.h"
 #include "display/intel_display_regs.h"
-#include "display/intel_display_types.h"
 #include "display/intel_dmc_regs.h"
 #include "display/intel_dp_aux_regs.h"
 #include "display/intel_dpio_phy.h"
+#include "display/intel_dpll_mgr.h"
 #include "display/intel_fbc.h"
 #include "display/intel_fdi_regs.h"
 #include "display/intel_pps_regs.h"
@@ -79,6 +81,9 @@
 #define PCH_PP_OFF_DELAYS _MMIO(0xc720c)
 #define PCH_PP_DIVISOR _MMIO(0xc7210)
 
+#define pipe_name(p) ((p) + 'A')
+#define port_name(p) ((p) + 'A')
+
 unsigned long intel_gvt_get_device_type(struct intel_gvt *gvt)
 {
 	struct drm_i915_private *i915 = gvt->gt->i915;
@@ -558,7 +563,7 @@ static u32 bxt_vgpu_get_dp_bitrate(struct intel_vgpu *vgpu, enum port port)
 	int refclk = 100000;
 	enum dpio_phy phy = DPIO_PHY0;
 	enum dpio_channel ch = DPIO_CH0;
-	struct dpll clock = {};
+	int m1, m2, n, p1, p2, m, p, vco, dot;
 	u32 temp;
 
 	/* Port to PHY mapping is fixed, see bxt_ddi_phy_info{} */
@@ -587,30 +592,25 @@ static u32 bxt_vgpu_get_dp_bitrate(struct intel_vgpu *vgpu, enum port port)
 		goto out;
 	}
 
-	clock.m1 = 2;
-	clock.m2 = REG_FIELD_GET(PORT_PLL_M2_INT_MASK,
-				 vgpu_vreg_t(vgpu, BXT_PORT_PLL(phy, ch, 0))) << 22;
+	m1 = 2;
+	m2 = REG_FIELD_GET(PORT_PLL_M2_INT_MASK, vgpu_vreg_t(vgpu, BXT_PORT_PLL(phy, ch, 0))) << 22;
 	if (vgpu_vreg_t(vgpu, BXT_PORT_PLL(phy, ch, 3)) & PORT_PLL_M2_FRAC_ENABLE)
-		clock.m2 |= REG_FIELD_GET(PORT_PLL_M2_FRAC_MASK,
-					  vgpu_vreg_t(vgpu, BXT_PORT_PLL(phy, ch, 2)));
-	clock.n = REG_FIELD_GET(PORT_PLL_N_MASK,
-				vgpu_vreg_t(vgpu, BXT_PORT_PLL(phy, ch, 1)));
-	clock.p1 = REG_FIELD_GET(PORT_PLL_P1_MASK,
-				 vgpu_vreg_t(vgpu, BXT_PORT_PLL_EBB_0(phy, ch)));
-	clock.p2 = REG_FIELD_GET(PORT_PLL_P2_MASK,
-				 vgpu_vreg_t(vgpu, BXT_PORT_PLL_EBB_0(phy, ch)));
-	clock.m = clock.m1 * clock.m2;
-	clock.p = clock.p1 * clock.p2 * 5;
+		m2 |= REG_FIELD_GET(PORT_PLL_M2_FRAC_MASK, vgpu_vreg_t(vgpu, BXT_PORT_PLL(phy, ch, 2)));
+	n = REG_FIELD_GET(PORT_PLL_N_MASK, vgpu_vreg_t(vgpu, BXT_PORT_PLL(phy, ch, 1)));
+	p1 = REG_FIELD_GET(PORT_PLL_P1_MASK, vgpu_vreg_t(vgpu, BXT_PORT_PLL_EBB_0(phy, ch)));
+	p2 = REG_FIELD_GET(PORT_PLL_P2_MASK, vgpu_vreg_t(vgpu, BXT_PORT_PLL_EBB_0(phy, ch)));
+	m = m1 * m2;
+	p = p1 * p2 * 5;
 
-	if (clock.n == 0 || clock.p == 0) {
+	if (n == 0 || p == 0) {
 		gvt_dbg_dpy("vgpu-%d PORT_%c PLL has invalid divider\n", vgpu->id, port_name(port));
 		goto out;
 	}
 
-	clock.vco = DIV_ROUND_CLOSEST_ULL(mul_u32_u32(refclk, clock.m), clock.n << 22);
-	clock.dot = DIV_ROUND_CLOSEST(clock.vco, clock.p);
+	vco = DIV_ROUND_CLOSEST_ULL(mul_u32_u32(refclk, m), n << 22);
+	dot = DIV_ROUND_CLOSEST(vco, p);
 
-	dp_br = clock.dot;
+	dp_br = dot;
 
 out:
 	return dp_br;
@@ -2047,10 +2047,10 @@ static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 	bool enable_execlist;
 	int ret;
 
-	(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(1);
+	(*(u32 *)p_data) &= ~REG_MASKED_FIELD_ENABLE(1);
 	if (IS_COFFEELAKE(vgpu->gvt->gt->i915) ||
 	    IS_COMETLAKE(vgpu->gvt->gt->i915))
-		(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(2);
+		(*(u32 *)p_data) &= ~REG_MASKED_FIELD_ENABLE(2);
 	write_vreg(vgpu, offset, p_data, bytes);
 
 	if (IS_MASKED_BITS_ENABLED(data, 1)) {
@@ -2139,7 +2139,7 @@ static int ring_reset_ctl_write(struct intel_vgpu *vgpu,
 
 	if (IS_MASKED_BITS_ENABLED(data, RESET_CTL_REQUEST_RESET))
 		data |= RESET_CTL_READY_TO_RESET;
-	else if (data & _MASKED_BIT_DISABLE(RESET_CTL_REQUEST_RESET))
+	else if (data & REG_MASKED_FIELD_DISABLE(RESET_CTL_REQUEST_RESET))
 		data &= ~RESET_CTL_READY_TO_RESET;
 
 	vgpu_vreg(vgpu, offset) = data;
@@ -2152,7 +2152,7 @@ static int csfe_chicken1_mmio_write(struct intel_vgpu *vgpu,
 {
 	u32 data = *(u32 *)p_data;
 
-	(*(u32 *)p_data) &= ~_MASKED_BIT_ENABLE(0x18);
+	(*(u32 *)p_data) &= ~REG_MASKED_FIELD_ENABLE(0x18);
 	write_vreg(vgpu, offset, p_data, bytes);
 
 	if (IS_MASKED_BITS_ENABLED(data, 0x10) ||
@@ -2534,7 +2534,7 @@ static int init_bdw_mmio_info(struct intel_gvt *gvt)
 
 #define RING_REG(base) _MMIO((base) + 0xd0)
 	MMIO_RING_F(RING_REG, 4, F_RO, 0,
-		~_MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET), D_BDW_PLUS, NULL,
+		~REG_MASKED_FIELD_ENABLE(RESET_CTL_REQUEST_RESET), D_BDW_PLUS, NULL,
 		ring_reset_ctl_write);
 #undef RING_REG
 
diff --git a/drivers/gpu/drm/i915/gvt/interrupt.c b/drivers/gpu/drm/i915/gvt/interrupt.c
index 91d22b1c62e2..f85113218037 100644
--- a/drivers/gpu/drm/i915/gvt/interrupt.c
+++ b/drivers/gpu/drm/i915/gvt/interrupt.c
@@ -32,6 +32,7 @@
 #include <linux/eventfd.h>
 
 #include <drm/drm_print.h>
+#include <drm/intel/intel_gmd_interrupt_regs.h>
 
 #include "display/intel_display_regs.h"
 
diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c
index d4e9d485d382..a93999ba8092 100644
--- a/drivers/gpu/drm/i915/gvt/mmio_context.c
+++ b/drivers/gpu/drm/i915/gvt/mmio_context.c
@@ -34,6 +34,7 @@
  */
 
 #include <drm/drm_print.h>
+#include <drm/intel/intel_gmd_misc_regs.h>
 
 #include "gt/intel_context.h"
 #include "gt/intel_engine_regs.h"
@@ -475,7 +476,7 @@ bool is_inhibit_context(struct intel_context *ce)
 {
 	const u32 *reg_state = ce->lrc_reg_state;
 	u32 inhibit_mask =
-		_MASKED_BIT_ENABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT);
+		REG_MASKED_FIELD_ENABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT);
 
 	return inhibit_mask ==
 		(reg_state[CTX_CONTEXT_CONTROL_VAL] & inhibit_mask);
diff --git a/drivers/gpu/drm/i915/gvt/reg.h b/drivers/gpu/drm/i915/gvt/reg.h
index 90d8eb1761a3..a4cf15e43990 100644
--- a/drivers/gpu/drm/i915/gvt/reg.h
+++ b/drivers/gpu/drm/i915/gvt/reg.h
@@ -91,9 +91,9 @@
 		((((bit) & 0xffff0000) == 0) && !!((val) & (((bit) << 16))))
 
 #define IS_MASKED_BITS_ENABLED(_val, _b) \
-		(((_val) & _MASKED_BIT_ENABLE(_b)) == _MASKED_BIT_ENABLE(_b))
+		(((_val) & REG_MASKED_FIELD_ENABLE(_b)) == REG_MASKED_FIELD_ENABLE(_b))
 #define IS_MASKED_BITS_DISABLED(_val, _b) \
-		((_val) & _MASKED_BIT_DISABLE(_b))
+		((_val) & REG_MASKED_FIELD_DISABLE(_b))
 
 #define FORCEWAKE_RENDER_GEN9_REG 0xa278
 #define FORCEWAKE_ACK_RENDER_GEN9_REG 0x0D84
diff --git a/drivers/gpu/drm/i915/i915_active.c b/drivers/gpu/drm/i915/i915_active.c
index cd44cbfb53b5..5cb7a72774a0 100644
--- a/drivers/gpu/drm/i915/i915_active.c
+++ b/drivers/gpu/drm/i915/i915_active.c
@@ -193,7 +193,7 @@ active_retire(struct i915_active *ref)
 		return;
 
 	if (ref->flags & I915_ACTIVE_RETIRE_SLEEPS) {
-		queue_work(system_unbound_wq, &ref->work);
+		queue_work(system_dfl_wq, &ref->work);
 		return;
 	}
 
diff --git a/drivers/gpu/drm/i915/i915_bo.c b/drivers/gpu/drm/i915/i915_bo.c
new file mode 100644
index 000000000000..1789f7cab05c
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_bo.c
@@ -0,0 +1,156 @@
+// SPDX-License-Identifier: MIT
+/* Copyright © 2024 Intel Corporation */
+
+#include <drm/drm_panic.h>
+#include <drm/drm_print.h>
+#include <drm/intel/display_parent_interface.h>
+
+#include "display/intel_fb.h"
+#include "gem/i915_gem_mman.h"
+#include "gem/i915_gem_object.h"
+#include "gem/i915_gem_object_frontbuffer.h"
+#include "pxp/intel_pxp.h"
+
+#include "i915_bo.h"
+#include "i915_debugfs.h"
+#include "i915_drv.h"
+
+static bool i915_bo_is_tiled(struct drm_gem_object *obj)
+{
+	return i915_gem_object_is_tiled(to_intel_bo(obj));
+}
+
+static bool i915_bo_is_userptr(struct drm_gem_object *obj)
+{
+	return i915_gem_object_is_userptr(to_intel_bo(obj));
+}
+
+static bool i915_bo_is_shmem(struct drm_gem_object *obj)
+{
+	return i915_gem_object_is_shmem(to_intel_bo(obj));
+}
+
+static bool i915_bo_is_protected(struct drm_gem_object *obj)
+{
+	return i915_gem_object_is_protected(to_intel_bo(obj));
+}
+
+static int i915_bo_key_check(struct drm_gem_object *obj)
+{
+	return intel_pxp_key_check(obj, false);
+}
+
+static int i915_bo_fb_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
+{
+	return i915_gem_fb_mmap(to_intel_bo(obj), vma);
+}
+
+static int i915_bo_read_from_page(struct drm_gem_object *obj, u64 offset, void *dst, int size)
+{
+	return i915_gem_object_read_from_page(to_intel_bo(obj), offset, dst, size);
+}
+
+static void i915_bo_describe(struct seq_file *m, struct drm_gem_object *obj)
+{
+	i915_debugfs_describe_obj(m, to_intel_bo(obj));
+}
+
+static int i915_bo_framebuffer_init(struct drm_gem_object *_obj,
+				    struct drm_mode_fb_cmd2 *mode_cmd)
+{
+	struct drm_i915_gem_object *obj = to_intel_bo(_obj);
+	struct drm_i915_private *i915 = to_i915(obj->base.dev);
+	unsigned int tiling, stride;
+
+	i915_gem_object_lock(obj, NULL);
+	tiling = i915_gem_object_get_tiling(obj);
+	stride = i915_gem_object_get_stride(obj);
+	i915_gem_object_unlock(obj);
+
+	if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) {
+		/*
+		 * If there's a fence, enforce that
+		 * the fb modifier and tiling mode match.
+		 */
+		if (tiling != I915_TILING_NONE &&
+		    tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) {
+			drm_dbg_kms(&i915->drm,
+				    "tiling_mode doesn't match fb modifier\n");
+			return -EINVAL;
+		}
+	} else {
+		if (tiling == I915_TILING_X) {
+			mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED;
+		} else if (tiling == I915_TILING_Y) {
+			drm_dbg_kms(&i915->drm,
+				    "No Y tiling for legacy addfb\n");
+			return -EINVAL;
+		}
+	}
+
+	/*
+	 * gen2/3 display engine uses the fence if present,
+	 * so the tiling mode must match the fb modifier exactly.
+	 */
+	if (GRAPHICS_VER(i915) < 4 &&
+	    tiling != intel_fb_modifier_to_tiling(mode_cmd->modifier[0])) {
+		drm_dbg_kms(&i915->drm,
+			    "tiling_mode must match fb modifier exactly on gen2/3\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * If there's a fence, enforce that
+	 * the fb pitch and fence stride match.
+	 */
+	if (tiling != I915_TILING_NONE && mode_cmd->pitches[0] != stride) {
+		drm_dbg_kms(&i915->drm,
+			    "pitch (%d) must match tiling stride (%d)\n",
+			    mode_cmd->pitches[0], stride);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void i915_bo_framebuffer_fini(struct drm_gem_object *obj)
+{
+	/* Nothing to do for i915 */
+}
+
+static struct drm_gem_object *
+i915_bo_framebuffer_lookup(struct drm_device *drm,
+			   struct drm_file *filp,
+			   const struct drm_mode_fb_cmd2 *mode_cmd)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+	struct drm_i915_gem_object *obj;
+
+	obj = i915_gem_object_lookup(filp, mode_cmd->handles[0]);
+	if (!obj)
+		return ERR_PTR(-ENOENT);
+
+	/* object is backed with LMEM for discrete */
+	if (HAS_LMEM(i915) && !i915_gem_object_can_migrate(obj, INTEL_REGION_LMEM_0)) {
+		/* object is "remote", not in local memory */
+		i915_gem_object_put(obj);
+		drm_dbg_kms(&i915->drm, "framebuffer must reside in local memory\n");
+		return ERR_PTR(-EREMOTE);
+	}
+
+	return intel_bo_to_drm_bo(obj);
+}
+
+const struct intel_display_bo_interface i915_display_bo_interface = {
+	.is_tiled = i915_bo_is_tiled,
+	.is_userptr = i915_bo_is_userptr,
+	.is_shmem = i915_bo_is_shmem,
+	.is_protected = i915_bo_is_protected,
+	.key_check = i915_bo_key_check,
+	.fb_mmap = i915_bo_fb_mmap,
+	.read_from_page = i915_bo_read_from_page,
+	.describe = i915_bo_describe,
+	.framebuffer_init = i915_bo_framebuffer_init,
+	.framebuffer_fini = i915_bo_framebuffer_fini,
+	.framebuffer_lookup = i915_bo_framebuffer_lookup,
+};
diff --git a/drivers/gpu/drm/i915/i915_bo.h b/drivers/gpu/drm/i915/i915_bo.h
new file mode 100644
index 000000000000..57255d052dd9
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_bo.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef __I915_BO_H__
+#define __I915_BO_H__
+
+extern const struct intel_display_bo_interface i915_display_bo_interface;
+
+#endif /* __I915_BO_H__ */
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 42f6b44f0027..4778ba664ec7 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -33,6 +33,7 @@
 
 #include <drm/drm_debugfs.h>
 #include <drm/drm_print.h>
+#include <drm/intel/intel_gmd_misc_regs.h>
 
 #include "gem/i915_gem_context.h"
 #include "gt/intel_gt.h"
diff --git a/drivers/gpu/drm/i915/i915_dpt.c b/drivers/gpu/drm/i915/i915_dpt.c
new file mode 100644
index 000000000000..9f47bb563c85
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_dpt.c
@@ -0,0 +1,277 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+
+#include <drm/drm_print.h>
+#include <drm/intel/display_parent_interface.h>
+
+#include "display/intel_display_core.h"
+#include "gem/i915_gem_domain.h"
+#include "gem/i915_gem_internal.h"
+#include "gem/i915_gem_lmem.h"
+#include "gt/gen8_ppgtt.h"
+
+#include "i915_dpt.h"
+#include "i915_drv.h"
+
+struct intel_dpt {
+	struct i915_address_space vm;
+
+	struct drm_i915_gem_object *obj;
+	struct i915_vma *vma;
+	void __iomem *iomem;
+};
+
+#define i915_is_dpt(vm) ((vm)->is_dpt)
+
+static inline struct intel_dpt *
+i915_vm_to_dpt(struct i915_address_space *vm)
+{
+	BUILD_BUG_ON(offsetof(struct intel_dpt, vm));
+	drm_WARN_ON(&vm->i915->drm, !i915_is_dpt(vm));
+	return container_of(vm, struct intel_dpt, vm);
+}
+
+struct i915_address_space *i915_dpt_to_vm(struct intel_dpt *dpt)
+{
+	return &dpt->vm;
+}
+
+static void gen8_set_pte(void __iomem *addr, gen8_pte_t pte)
+{
+	writeq(pte, addr);
+}
+
+static void dpt_insert_page(struct i915_address_space *vm,
+			    dma_addr_t addr,
+			    u64 offset,
+			    unsigned int pat_index,
+			    u32 flags)
+{
+	struct intel_dpt *dpt = i915_vm_to_dpt(vm);
+	gen8_pte_t __iomem *base = dpt->iomem;
+
+	gen8_set_pte(base + offset / I915_GTT_PAGE_SIZE,
+		     vm->pte_encode(addr, pat_index, flags));
+}
+
+static void dpt_insert_entries(struct i915_address_space *vm,
+			       struct i915_vma_resource *vma_res,
+			       unsigned int pat_index,
+			       u32 flags)
+{
+	struct intel_dpt *dpt = i915_vm_to_dpt(vm);
+	gen8_pte_t __iomem *base = dpt->iomem;
+	const gen8_pte_t pte_encode = vm->pte_encode(0, pat_index, flags);
+	struct sgt_iter sgt_iter;
+	dma_addr_t addr;
+	int i;
+
+	/*
+	 * Note that we ignore PTE_READ_ONLY here. The caller must be careful
+	 * not to allow the user to override access to a read only page.
+	 */
+
+	i = vma_res->start / I915_GTT_PAGE_SIZE;
+	for_each_sgt_daddr(addr, sgt_iter, vma_res->bi.pages)
+		gen8_set_pte(&base[i++], pte_encode | addr);
+}
+
+static void dpt_clear_range(struct i915_address_space *vm,
+			    u64 start, u64 length)
+{
+}
+
+static void dpt_bind_vma(struct i915_address_space *vm,
+			 struct i915_vm_pt_stash *stash,
+			 struct i915_vma_resource *vma_res,
+			 unsigned int pat_index,
+			 u32 flags)
+{
+	u32 pte_flags;
+
+	if (vma_res->bound_flags)
+		return;
+
+	/* Applicable to VLV (gen8+ do not support RO in the GGTT) */
+	pte_flags = 0;
+	if (vm->has_read_only && vma_res->bi.readonly)
+		pte_flags |= PTE_READ_ONLY;
+	if (vma_res->bi.lmem)
+		pte_flags |= PTE_LM;
+
+	vm->insert_entries(vm, vma_res, pat_index, pte_flags);
+
+	vma_res->page_sizes_gtt = I915_GTT_PAGE_SIZE;
+
+	/*
+	 * Without aliasing PPGTT there's no difference between
+	 * GLOBAL/LOCAL_BIND, it's all the same ptes. Hence unconditionally
+	 * upgrade to both bound if we bind either to avoid double-binding.
+	 */
+	vma_res->bound_flags = I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND;
+}
+
+static void dpt_unbind_vma(struct i915_address_space *vm,
+			   struct i915_vma_resource *vma_res)
+{
+	vm->clear_range(vm, vma_res->start, vma_res->vma_size);
+}
+
+static void dpt_cleanup(struct i915_address_space *vm)
+{
+	struct intel_dpt *dpt = i915_vm_to_dpt(vm);
+
+	i915_gem_object_put(dpt->obj);
+}
+
+struct i915_vma *i915_dpt_pin_to_ggtt(struct intel_dpt *dpt, unsigned int alignment)
+{
+	struct drm_i915_private *i915 = dpt->vm.i915;
+	struct intel_display *display = i915->display;
+	struct ref_tracker *wakeref;
+	struct i915_vma *vma;
+	void __iomem *iomem;
+	struct i915_gem_ww_ctx ww;
+	u64 pin_flags = 0;
+	int err;
+
+	if (i915_gem_object_is_stolen(dpt->obj))
+		pin_flags |= PIN_MAPPABLE;
+
+	wakeref = intel_runtime_pm_get(&i915->runtime_pm);
+	atomic_inc(&display->restore.pending_fb_pin);
+
+	for_i915_gem_ww(&ww, err, true) {
+		err = i915_gem_object_lock(dpt->obj, &ww);
+		if (err)
+			continue;
+
+		vma = i915_gem_object_ggtt_pin_ww(dpt->obj, &ww, NULL, 0,
+						  alignment, pin_flags);
+		if (IS_ERR(vma)) {
+			err = PTR_ERR(vma);
+			continue;
+		}
+
+		iomem = i915_vma_pin_iomap(vma);
+		i915_vma_unpin(vma);
+
+		if (IS_ERR(iomem)) {
+			err = PTR_ERR(iomem);
+			continue;
+		}
+
+		dpt->vma = vma;
+		dpt->iomem = iomem;
+
+		i915_vma_get(vma);
+	}
+
+	dpt->obj->mm.dirty = true;
+
+	atomic_dec(&display->restore.pending_fb_pin);
+	intel_runtime_pm_put(&i915->runtime_pm, wakeref);
+
+	return err ? ERR_PTR(err) : vma;
+}
+
+void i915_dpt_unpin_from_ggtt(struct intel_dpt *dpt)
+{
+	i915_vma_unpin_iomap(dpt->vma);
+	i915_vma_put(dpt->vma);
+}
+
+static struct intel_dpt *i915_dpt_create(struct drm_gem_object *obj, size_t size)
+{
+	struct drm_i915_private *i915 = to_i915(obj->dev);
+	struct drm_i915_gem_object *dpt_obj;
+	struct i915_address_space *vm;
+	struct intel_dpt *dpt;
+	int ret;
+
+	if (!size)
+		size = DIV_ROUND_UP_ULL(obj->size, I915_GTT_PAGE_SIZE);
+
+	size = round_up(size * sizeof(gen8_pte_t), I915_GTT_PAGE_SIZE);
+
+	dpt_obj = i915_gem_object_create_lmem(i915, size, I915_BO_ALLOC_CONTIGUOUS);
+	if (IS_ERR(dpt_obj) && i915_ggtt_has_aperture(to_gt(i915)->ggtt))
+		dpt_obj = i915_gem_object_create_stolen(i915, size);
+	if (IS_ERR(dpt_obj) && !HAS_LMEM(i915)) {
+		drm_dbg_kms(&i915->drm, "Allocating dpt from smem\n");
+		dpt_obj = i915_gem_object_create_shmem(i915, size);
+	}
+	if (IS_ERR(dpt_obj))
+		return ERR_CAST(dpt_obj);
+
+	ret = i915_gem_object_lock_interruptible(dpt_obj, NULL);
+	if (!ret) {
+		ret = i915_gem_object_set_cache_level(dpt_obj, I915_CACHE_NONE);
+		i915_gem_object_unlock(dpt_obj);
+	}
+	if (ret) {
+		i915_gem_object_put(dpt_obj);
+		return ERR_PTR(ret);
+	}
+
+	dpt = kzalloc_obj(*dpt);
+	if (!dpt) {
+		i915_gem_object_put(dpt_obj);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	vm = &dpt->vm;
+
+	vm->gt = to_gt(i915);
+	vm->i915 = i915;
+	vm->dma = i915->drm.dev;
+	vm->total = (size / sizeof(gen8_pte_t)) * I915_GTT_PAGE_SIZE;
+	vm->is_dpt = true;
+
+	i915_address_space_init(vm, VM_CLASS_DPT);
+
+	vm->insert_page = dpt_insert_page;
+	vm->clear_range = dpt_clear_range;
+	vm->insert_entries = dpt_insert_entries;
+	vm->cleanup = dpt_cleanup;
+
+	vm->vma_ops.bind_vma    = dpt_bind_vma;
+	vm->vma_ops.unbind_vma  = dpt_unbind_vma;
+
+	vm->pte_encode = vm->gt->ggtt->vm.pte_encode;
+
+	dpt->obj = dpt_obj;
+	dpt->obj->is_dpt = true;
+
+	return dpt;
+}
+
+static void i915_dpt_destroy(struct intel_dpt *dpt)
+{
+	dpt->obj->is_dpt = false;
+	i915_vm_put(&dpt->vm);
+}
+
+static void i915_dpt_suspend(struct intel_dpt *dpt)
+{
+	i915_ggtt_suspend_vm(&dpt->vm, true);
+}
+
+static void i915_dpt_resume(struct intel_dpt *dpt)
+{
+	i915_ggtt_resume_vm(&dpt->vm, true);
+}
+
+u64 i915_dpt_offset(struct i915_vma *dpt_vma)
+{
+	return i915_vma_offset(dpt_vma);
+}
+
+const struct intel_display_dpt_interface i915_display_dpt_interface = {
+	.create = i915_dpt_create,
+	.destroy = i915_dpt_destroy,
+	.suspend = i915_dpt_suspend,
+	.resume = i915_dpt_resume,
+};
diff --git a/drivers/gpu/drm/i915/i915_dpt.h b/drivers/gpu/drm/i915/i915_dpt.h
new file mode 100644
index 000000000000..08dbe444fe18
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_dpt.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright 2026 Intel Corporation */
+
+#ifndef __I915_DPT_H__
+#define __I915_DPT_H__
+
+#include <linux/types.h>
+
+struct i915_address_space;
+struct i915_vma;
+struct intel_dpt;
+
+struct i915_address_space *i915_dpt_to_vm(struct intel_dpt *dpt);
+struct i915_vma *i915_dpt_pin_to_ggtt(struct intel_dpt *dpt, unsigned int alignment);
+void i915_dpt_unpin_from_ggtt(struct intel_dpt *dpt);
+u64 i915_dpt_offset(struct i915_vma *dpt_vma);
+
+extern const struct intel_display_dpt_interface i915_display_dpt_interface;
+
+#endif /* __I915_DPT_H__ */
diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index f0105c5b49a7..385a634c3ed0 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -48,6 +48,7 @@
 #include <drm/drm_probe_helper.h>
 #include <drm/intel/display_member.h>
 #include <drm/intel/display_parent_interface.h>
+#include <drm/intel/intel_pcode_regs.h>
 
 #include "display/i9xx_display_sr.h"
 #include "display/intel_bw.h"
@@ -77,6 +78,7 @@
 #include "gem/i915_gem_dmabuf.h"
 #include "gem/i915_gem_ioctls.h"
 #include "gem/i915_gem_mman.h"
+#include "gem/i915_gem_object_frontbuffer.h"
 #include "gem/i915_gem_pm.h"
 #include "gt/intel_gt.h"
 #include "gt/intel_gt_pm.h"
@@ -88,11 +90,14 @@
 #include "pxp/intel_pxp_debugfs.h"
 #include "pxp/intel_pxp_pm.h"
 
+#include "i915_bo.h"
 #include "i915_debugfs.h"
 #include "i915_display_pc8.h"
+#include "i915_dpt.h"
 #include "i915_driver.h"
 #include "i915_drm_client.h"
 #include "i915_drv.h"
+#include "i915_dsb_buffer.h"
 #include "i915_edram.h"
 #include "i915_file_private.h"
 #include "i915_getparam.h"
@@ -104,6 +109,7 @@
 #include "i915_ioctl.h"
 #include "i915_irq.h"
 #include "i915_memcpy.h"
+#include "i915_overlay.h"
 #include "i915_panic.h"
 #include "i915_perf.h"
 #include "i915_query.h"
@@ -147,10 +153,11 @@ static int i915_workqueues_init(struct drm_i915_private *dev_priv)
 	/*
 	 * The unordered i915 workqueue should be used for all work
 	 * scheduling that do not require running in order, which used
-	 * to be scheduled on the system_wq before moving to a driver
+	 * to be scheduled on the system_percpu_wq before moving to a driver
 	 * instance due deprecation of flush_scheduled_work().
 	 */
-	dev_priv->unordered_wq = alloc_workqueue("i915-unordered", 0, 0);
+	dev_priv->unordered_wq = alloc_workqueue("i915-unordered", WQ_PERCPU,
+						 0);
 	if (dev_priv->unordered_wq == NULL)
 		goto out_free_wq;
 
@@ -556,10 +563,6 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv)
 			drm_dbg(&dev_priv->drm, "can't enable MSI");
 	}
 
-	ret = intel_gvt_init(dev_priv);
-	if (ret)
-		goto err_msi;
-
 	intel_opregion_setup(display);
 
 	ret = i915_pcode_init(dev_priv);
@@ -580,7 +583,6 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv)
 
 err_opregion:
 	intel_opregion_cleanup(display);
-err_msi:
 	if (pdev->msi_enabled)
 		pci_disable_msi(pdev);
 err_mem_regions:
@@ -764,14 +766,21 @@ static bool vgpu_active(struct drm_device *drm)
 }
 
 static const struct intel_display_parent_interface parent = {
+	.bo = &i915_display_bo_interface,
+	.dpt = &i915_display_dpt_interface,
+	.dsb = &i915_display_dsb_interface,
+	.frontbuffer = &i915_display_frontbuffer_interface,
 	.hdcp = &i915_display_hdcp_interface,
 	.initial_plane = &i915_display_initial_plane_interface,
 	.irq = &i915_display_irq_interface,
+	.overlay = &i915_display_overlay_interface,
 	.panic = &i915_display_panic_interface,
 	.pc8 = &i915_display_pc8_interface,
+	.pcode = &i915_display_pcode_interface,
 	.rpm = &i915_display_rpm_interface,
 	.rps = &i915_display_rps_interface,
 	.stolen = &i915_display_stolen_interface,
+	.vma = &i915_display_vma_interface,
 
 	.fence_priority_display = fence_priority_display,
 	.has_auxccs = has_auxccs,
@@ -868,9 +877,13 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (ret < 0)
 		goto out_cleanup_mmio;
 
+	ret = intel_gvt_init(i915);
+	if (ret)
+		goto out_cleanup_hw;
+
 	ret = intel_display_driver_probe_noirq(display);
 	if (ret < 0)
-		goto out_cleanup_hw;
+		goto out_cleanup_gvt;
 
 	ret = intel_irq_install(i915);
 	if (ret)
@@ -919,6 +932,8 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	intel_irq_uninstall(i915);
 out_cleanup_modeset:
 	intel_display_driver_remove_nogem(display);
+out_cleanup_gvt:
+	intel_gvt_driver_remove(i915);
 out_cleanup_hw:
 	i915_driver_hw_remove(i915);
 	intel_memory_regions_driver_release(i915);
@@ -926,7 +941,6 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	i915_gem_drain_freed_objects(i915);
 	i915_ggtt_driver_late_release(i915);
 out_cleanup_mmio:
-	intel_gvt_driver_remove(i915);
 	i915_driver_mmio_release(i915);
 out_runtime_pm_put:
 	enable_rpm_wakeref_asserts(&i915->runtime_pm);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 44ba620325bc..dafee3dcd1c5 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -61,6 +61,7 @@
 #include "intel_uncore.h"
 
 struct drm_i915_clock_gating_funcs;
+struct i915_overlay;
 struct intel_display;
 struct intel_pxp;
 struct vlv_s0ix_state;
@@ -248,7 +249,7 @@ struct drm_i915_private {
 	 *
 	 * This workqueue should be used for all unordered work
 	 * scheduling within i915, which used to be scheduled on the
-	 * system_wq before moving to a driver instance due
+	 * system_percpu_wq before moving to a driver instance due
 	 * deprecation of flush_scheduled_work().
 	 */
 	struct workqueue_struct *unordered_wq;
@@ -307,6 +308,8 @@ struct drm_i915_private {
 
 	struct intel_pxp *pxp;
 
+	struct i915_overlay *overlay;
+
 	struct i915_pmu pmu;
 
 	/* The TTM device structure. */
diff --git a/drivers/gpu/drm/i915/display/intel_dsb_buffer.c b/drivers/gpu/drm/i915/i915_dsb_buffer.c
similarity index 63%
rename from drivers/gpu/drm/i915/display/intel_dsb_buffer.c
rename to drivers/gpu/drm/i915/i915_dsb_buffer.c
index 9b6060af250d..b797e0ccb70c 100644
--- a/drivers/gpu/drm/i915/display/intel_dsb_buffer.c
+++ b/drivers/gpu/drm/i915/i915_dsb_buffer.c
@@ -3,11 +3,13 @@
  * Copyright 2023, Intel Corporation.
  */
 
+#include <drm/intel/display_parent_interface.h>
+
 #include "gem/i915_gem_internal.h"
 #include "gem/i915_gem_lmem.h"
 #include "i915_drv.h"
+#include "i915_dsb_buffer.h"
 #include "i915_vma.h"
-#include "intel_dsb_buffer.h"
 
 struct intel_dsb_buffer {
 	u32 *cmd_buf;
@@ -15,29 +17,29 @@ struct intel_dsb_buffer {
 	size_t buf_size;
 };
 
-u32 intel_dsb_buffer_ggtt_offset(struct intel_dsb_buffer *dsb_buf)
+static u32 intel_dsb_buffer_ggtt_offset(struct intel_dsb_buffer *dsb_buf)
 {
 	return i915_ggtt_offset(dsb_buf->vma);
 }
 
-void intel_dsb_buffer_write(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val)
+static void intel_dsb_buffer_write(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val)
 {
 	dsb_buf->cmd_buf[idx] = val;
 }
 
-u32 intel_dsb_buffer_read(struct intel_dsb_buffer *dsb_buf, u32 idx)
+static u32 intel_dsb_buffer_read(struct intel_dsb_buffer *dsb_buf, u32 idx)
 {
 	return dsb_buf->cmd_buf[idx];
 }
 
-void intel_dsb_buffer_memset(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val, size_t size)
+static void intel_dsb_buffer_fill(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val, size_t size)
 {
 	WARN_ON(idx > (dsb_buf->buf_size - size) / sizeof(*dsb_buf->cmd_buf));
 
 	memset(&dsb_buf->cmd_buf[idx], val, size);
 }
 
-struct intel_dsb_buffer *intel_dsb_buffer_create(struct drm_device *drm, size_t size)
+static struct intel_dsb_buffer *intel_dsb_buffer_create(struct drm_device *drm, size_t size)
 {
 	struct drm_i915_private *i915 = to_i915(drm);
 	struct intel_dsb_buffer *dsb_buf;
@@ -93,13 +95,23 @@ struct intel_dsb_buffer *intel_dsb_buffer_create(struct drm_device *drm, size_t
 	return ERR_PTR(ret);
 }
 
-void intel_dsb_buffer_cleanup(struct intel_dsb_buffer *dsb_buf)
+static void intel_dsb_buffer_cleanup(struct intel_dsb_buffer *dsb_buf)
 {
 	i915_vma_unpin_and_release(&dsb_buf->vma, I915_VMA_RELEASE_MAP);
 	kfree(dsb_buf);
 }
 
-void intel_dsb_buffer_flush_map(struct intel_dsb_buffer *dsb_buf)
+static void intel_dsb_buffer_flush_map(struct intel_dsb_buffer *dsb_buf)
 {
 	i915_gem_object_flush_map(dsb_buf->vma->obj);
 }
+
+const struct intel_display_dsb_interface i915_display_dsb_interface = {
+	.ggtt_offset = intel_dsb_buffer_ggtt_offset,
+	.write = intel_dsb_buffer_write,
+	.read = intel_dsb_buffer_read,
+	.fill = intel_dsb_buffer_fill,
+	.create = intel_dsb_buffer_create,
+	.cleanup = intel_dsb_buffer_cleanup,
+	.flush_map = intel_dsb_buffer_flush_map,
+};
diff --git a/drivers/gpu/drm/i915/i915_dsb_buffer.h b/drivers/gpu/drm/i915/i915_dsb_buffer.h
new file mode 100644
index 000000000000..a01b4d8de947
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_dsb_buffer.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef __I915_DSB_BUFFER_H__
+#define __I915_DSB_BUFFER_H__
+
+extern const struct intel_display_dsb_interface i915_display_dsb_interface;
+
+#endif /* __I915_DSB_BUFFER_H__ */
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 160733619a4a..761491750914 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -579,7 +579,7 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj,
 		goto out_rpm;
 	}
 
-	i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU);
+	i915_gem_object_frontbuffer_invalidate(obj, ORIGIN_CPU);
 
 	user_data = u64_to_user_ptr(args->data_ptr);
 	offset = args->offset;
@@ -626,7 +626,7 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj,
 	}
 
 	intel_gt_flush_ggtt_writes(ggtt->vm.gt);
-	i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
+	i915_gem_object_frontbuffer_flush(obj, ORIGIN_CPU);
 
 	i915_gem_gtt_cleanup(obj, &node, vma);
 out_rpm:
@@ -714,7 +714,7 @@ i915_gem_shmem_pwrite(struct drm_i915_gem_object *obj,
 		offset = 0;
 	}
 
-	i915_gem_object_flush_frontbuffer(obj, ORIGIN_CPU);
+	i915_gem_object_frontbuffer_flush(obj, ORIGIN_CPU);
 
 	i915_gem_object_unpin_pages(obj);
 	return ret;
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index a99b4e45d26c..0469c4467f2b 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -824,9 +824,6 @@ static void err_print_gt_global(struct drm_i915_error_state_buf *m,
 		err_printf(m, "FAULT_TLB_DATA: 0x%08x 0x%08x\n",
 			   gt->fault_data1, gt->fault_data0);
 
-	if (GRAPHICS_VER(m->i915) == 7)
-		err_printf(m, "ERR_INT: 0x%08x\n", gt->err_int);
-
 	if (IS_GRAPHICS_VER(m->i915, 8, 11))
 		err_printf(m, "GTT_CACHE_EN: 0x%08x\n", gt->gtt_cache);
 
@@ -1929,9 +1926,6 @@ static void gt_record_global_regs(struct intel_gt_coredump *gt)
 	if (IS_VALLEYVIEW(i915))
 		gt->forcewake = intel_uncore_read_fw(uncore, FORCEWAKE_VLV);
 
-	if (GRAPHICS_VER(i915) == 7)
-		gt->err_int = intel_uncore_read(uncore, GEN7_ERR_INT);
-
 	if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 55)) {
 		gt->fault_data0 = intel_gt_mcr_read_any((struct intel_gt *)gt->_gt,
 							XEHP_FAULT_TLB_DATA0);
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h b/drivers/gpu/drm/i915/i915_gpu_error.h
index 91b3df621a49..26970c5e291e 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.h
+++ b/drivers/gpu/drm/i915/i915_gpu_error.h
@@ -149,7 +149,6 @@ struct intel_gt_coredump {
 	u32 gtier[6], ngtier;
 	u32 forcewake;
 	u32 error; /* gen6+ */
-	u32 err_int; /* gen7 */
 	u32 fault_data0; /* gen8, gen9 */
 	u32 fault_data1; /* gen8, gen9 */
 	u32 done_reg;
diff --git a/drivers/gpu/drm/i915/i915_hwmon.c b/drivers/gpu/drm/i915/i915_hwmon.c
index 16e64d752e12..c4a799f5fe92 100644
--- a/drivers/gpu/drm/i915/i915_hwmon.c
+++ b/drivers/gpu/drm/i915/i915_hwmon.c
@@ -9,6 +9,8 @@
 #include <linux/types.h>
 #include <linux/units.h>
 
+#include <drm/intel/intel_pcode_regs.h>
+
 #include "i915_drv.h"
 #include "i915_hwmon.h"
 #include "i915_reg.h"
diff --git a/drivers/gpu/drm/i915/i915_initial_plane.c b/drivers/gpu/drm/i915/i915_initial_plane.c
index 7fb52d81f7b6..5594548f51d8 100644
--- a/drivers/gpu/drm/i915/i915_initial_plane.c
+++ b/drivers/gpu/drm/i915/i915_initial_plane.c
@@ -9,6 +9,7 @@
 #include "display/intel_crtc.h"
 #include "display/intel_display_types.h"
 #include "display/intel_fb.h"
+#include "display/intel_fbdev_fb.h"
 #include "gem/i915_gem_lmem.h"
 #include "gem/i915_gem_region.h"
 
@@ -116,7 +117,7 @@ initial_plane_vma(struct drm_i915_private *i915,
 	 */
 	if (IS_ENABLED(CONFIG_FRAMEBUFFER_CONSOLE) &&
 	    mem == i915->mm.stolen_region &&
-	    size * 2 > i915->dsm.usable_size) {
+	    !intel_fbdev_fb_prefer_stolen(&i915->drm, size)) {
 		drm_dbg_kms(&i915->drm, "Initial FB size exceeds half of stolen, discarding\n");
 		return NULL;
 	}
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 3fe978d4ea53..d4d8dd0a4174 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -34,6 +34,7 @@
 #include <drm/drm_drv.h>
 #include <drm/drm_print.h>
 #include <drm/intel/display_parent_interface.h>
+#include <drm/intel/intel_gmd_interrupt_regs.h>
 
 #include "display/intel_display_irq.h"
 #include "display/intel_hotplug.h"
diff --git a/drivers/gpu/drm/i915/i915_overlay.c b/drivers/gpu/drm/i915/i915_overlay.c
new file mode 100644
index 000000000000..c2d712bd2b0d
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_overlay.c
@@ -0,0 +1,517 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2026, Intel Corporation.
+ */
+
+#include <drm/drm_print.h>
+
+#include <drm/intel/display_parent_interface.h>
+#include <drm/intel/intel_gmd_interrupt_regs.h>
+
+#include "gem/i915_gem_internal.h"
+#include "gem/i915_gem_object_frontbuffer.h"
+#include "gem/i915_gem_pm.h"
+
+#include "gt/intel_gpu_commands.h"
+#include "gt/intel_ring.h"
+
+#include "i915_drv.h"
+#include "i915_overlay.h"
+#include "i915_reg.h"
+#include "intel_pci_config.h"
+
+#include "display/intel_frontbuffer.h"
+
+/* overlay flip addr flag */
+#define OFC_UPDATE		0x1
+
+struct i915_overlay {
+	struct drm_i915_private *i915;
+	struct intel_context *context;
+	struct i915_vma *vma;
+	struct i915_vma *old_vma;
+	struct i915_frontbuffer *frontbuffer;
+	/* register access */
+	struct drm_i915_gem_object *reg_bo;
+	void __iomem *regs;
+	u32 flip_addr;
+	u32 frontbuffer_bits;
+	/* flip handling */
+	struct i915_active last_flip;
+	void (*flip_complete)(struct i915_overlay *overlay);
+};
+
+static void i830_overlay_clock_gating(struct drm_i915_private *i915,
+				      bool enable)
+{
+	struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
+	u8 val;
+
+	/*
+	 * WA_OVERLAY_CLKGATE:alm
+	 *
+	 * FIXME should perhaps be done on the display side?
+	 */
+	if (enable)
+		intel_uncore_write(&i915->uncore, DSPCLK_GATE_D, 0);
+	else
+		intel_uncore_write(&i915->uncore, DSPCLK_GATE_D, OVRUNIT_CLOCK_GATE_DISABLE);
+
+	/* WA_DISABLE_L2CACHE_CLOCK_GATING:alm */
+	pci_bus_read_config_byte(pdev->bus,
+				 PCI_DEVFN(0, 0), I830_CLOCK_GATE, &val);
+	if (enable)
+		val &= ~I830_L2_CACHE_CLOCK_GATE_DISABLE;
+	else
+		val |= I830_L2_CACHE_CLOCK_GATE_DISABLE;
+	pci_bus_write_config_byte(pdev->bus,
+				  PCI_DEVFN(0, 0), I830_CLOCK_GATE, val);
+}
+
+static struct i915_request *
+alloc_request(struct i915_overlay *overlay, void (*fn)(struct i915_overlay *))
+{
+	struct i915_request *rq;
+	int err;
+
+	overlay->flip_complete = fn;
+
+	rq = i915_request_create(overlay->context);
+	if (IS_ERR(rq))
+		return rq;
+
+	err = i915_active_add_request(&overlay->last_flip, rq);
+	if (err) {
+		i915_request_add(rq);
+		return ERR_PTR(err);
+	}
+
+	return rq;
+}
+
+static bool i915_overlay_is_active(struct drm_device *drm)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+	struct i915_overlay *overlay = i915->overlay;
+
+	return overlay->frontbuffer_bits;
+}
+
+/* overlay needs to be disable in OCMD reg */
+static int i915_overlay_on(struct drm_device *drm,
+			   u32 frontbuffer_bits)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+	struct i915_overlay *overlay = i915->overlay;
+	struct i915_request *rq;
+	u32 *cs;
+
+	drm_WARN_ON(drm, i915_overlay_is_active(drm));
+
+	rq = alloc_request(overlay, NULL);
+	if (IS_ERR(rq))
+		return PTR_ERR(rq);
+
+	cs = intel_ring_begin(rq, 4);
+	if (IS_ERR(cs)) {
+		i915_request_add(rq);
+		return PTR_ERR(cs);
+	}
+
+	overlay->frontbuffer_bits = frontbuffer_bits;
+
+	if (IS_I830(i915))
+		i830_overlay_clock_gating(i915, false);
+
+	*cs++ = MI_OVERLAY_FLIP | MI_OVERLAY_ON;
+	*cs++ = overlay->flip_addr | OFC_UPDATE;
+	*cs++ = MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP;
+	*cs++ = MI_NOOP;
+	intel_ring_advance(rq, cs);
+
+	i915_request_add(rq);
+
+	return i915_active_wait(&overlay->last_flip);
+}
+
+static void i915_overlay_flip_prepare(struct i915_overlay *overlay,
+				      struct i915_vma *vma)
+{
+	struct drm_i915_private *i915 = overlay->i915;
+	struct i915_frontbuffer *frontbuffer = NULL;
+
+	drm_WARN_ON(&i915->drm, overlay->old_vma);
+
+	if (vma)
+		frontbuffer = i915_gem_object_frontbuffer_get(vma->obj);
+
+	i915_gem_object_frontbuffer_track(overlay->frontbuffer, frontbuffer,
+					  overlay->frontbuffer_bits);
+
+	if (overlay->frontbuffer)
+		i915_gem_object_frontbuffer_put(overlay->frontbuffer);
+	overlay->frontbuffer = frontbuffer;
+
+	overlay->old_vma = overlay->vma;
+	if (vma)
+		overlay->vma = i915_vma_get(vma);
+	else
+		overlay->vma = NULL;
+}
+
+/* overlay needs to be enabled in OCMD reg */
+static int i915_overlay_continue(struct drm_device *drm,
+				 struct i915_vma *vma,
+				 bool load_polyphase_filter)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+	struct i915_overlay *overlay = i915->overlay;
+	struct i915_request *rq;
+	u32 flip_addr = overlay->flip_addr;
+	u32 *cs;
+
+	drm_WARN_ON(drm, !i915_overlay_is_active(drm));
+
+	if (load_polyphase_filter)
+		flip_addr |= OFC_UPDATE;
+
+	rq = alloc_request(overlay, NULL);
+	if (IS_ERR(rq))
+		return PTR_ERR(rq);
+
+	cs = intel_ring_begin(rq, 2);
+	if (IS_ERR(cs)) {
+		i915_request_add(rq);
+		return PTR_ERR(cs);
+	}
+
+	*cs++ = MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE;
+	*cs++ = flip_addr;
+	intel_ring_advance(rq, cs);
+
+	i915_overlay_flip_prepare(overlay, vma);
+	i915_request_add(rq);
+
+	return 0;
+}
+
+static void i915_overlay_release_old_vma(struct i915_overlay *overlay)
+{
+	struct drm_i915_private *i915 = overlay->i915;
+	struct intel_display *display = i915->display;
+	struct i915_vma *vma;
+
+	vma = fetch_and_zero(&overlay->old_vma);
+	if (drm_WARN_ON(&i915->drm, !vma))
+		return;
+
+	intel_frontbuffer_flip(display, overlay->frontbuffer_bits);
+
+	i915_vma_unpin(vma);
+	i915_vma_put(vma);
+}
+
+static void
+i915_overlay_release_old_vid_tail(struct i915_overlay *overlay)
+{
+	i915_overlay_release_old_vma(overlay);
+}
+
+static void i915_overlay_off_tail(struct i915_overlay *overlay)
+{
+	struct drm_i915_private *i915 = overlay->i915;
+
+	i915_overlay_release_old_vma(overlay);
+
+	overlay->frontbuffer_bits = 0;
+
+	if (IS_I830(i915))
+		i830_overlay_clock_gating(i915, true);
+}
+
+static void i915_overlay_last_flip_retire(struct i915_active *active)
+{
+	struct i915_overlay *overlay =
+		container_of(active, typeof(*overlay), last_flip);
+
+	if (overlay->flip_complete)
+		overlay->flip_complete(overlay);
+}
+
+/* overlay needs to be disabled in OCMD reg */
+static int i915_overlay_off(struct drm_device *drm)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+	struct i915_overlay *overlay = i915->overlay;
+	struct i915_request *rq;
+	u32 *cs, flip_addr = overlay->flip_addr;
+
+	drm_WARN_ON(drm, !i915_overlay_is_active(drm));
+
+	/*
+	 * According to intel docs the overlay hw may hang (when switching
+	 * off) without loading the filter coeffs. It is however unclear whether
+	 * this applies to the disabling of the overlay or to the switching off
+	 * of the hw. Do it in both cases.
+	 */
+	flip_addr |= OFC_UPDATE;
+
+	rq = alloc_request(overlay, i915_overlay_off_tail);
+	if (IS_ERR(rq))
+		return PTR_ERR(rq);
+
+	cs = intel_ring_begin(rq, 6);
+	if (IS_ERR(cs)) {
+		i915_request_add(rq);
+		return PTR_ERR(cs);
+	}
+
+	/* wait for overlay to go idle */
+	*cs++ = MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE;
+	*cs++ = flip_addr;
+	*cs++ = MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP;
+
+	/* turn overlay off */
+	*cs++ = MI_OVERLAY_FLIP | MI_OVERLAY_OFF;
+	*cs++ = flip_addr;
+	*cs++ = MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP;
+
+	intel_ring_advance(rq, cs);
+
+	i915_overlay_flip_prepare(overlay, NULL);
+	i915_request_add(rq);
+
+	return i915_active_wait(&overlay->last_flip);
+}
+
+/*
+ * Recover from an interruption due to a signal.
+ * We have to be careful not to repeat work forever an make forward progress.
+ */
+static int i915_overlay_recover_from_interrupt(struct drm_device *drm)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+	struct i915_overlay *overlay = i915->overlay;
+
+	return i915_active_wait(&overlay->last_flip);
+}
+
+/*
+ * Wait for pending overlay flip and release old frame.
+ * Needs to be called before the overlay register are changed
+ * via intel_overlay_(un)map_regs.
+ */
+static int i915_overlay_release_old_vid(struct drm_device *drm)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+	struct i915_overlay *overlay = i915->overlay;
+	struct i915_request *rq;
+	u32 *cs;
+
+	/*
+	 * Only wait if there is actually an old frame to release to
+	 * guarantee forward progress.
+	 */
+	if (!overlay->old_vma)
+		return 0;
+
+	if (!(intel_uncore_read(&i915->uncore, GEN2_ISR) & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT)) {
+		i915_overlay_release_old_vid_tail(overlay);
+		return 0;
+	}
+
+	rq = alloc_request(overlay, i915_overlay_release_old_vid_tail);
+	if (IS_ERR(rq))
+		return PTR_ERR(rq);
+
+	cs = intel_ring_begin(rq, 2);
+	if (IS_ERR(cs)) {
+		i915_request_add(rq);
+		return PTR_ERR(cs);
+	}
+
+	*cs++ = MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP;
+	*cs++ = MI_NOOP;
+	intel_ring_advance(rq, cs);
+
+	i915_request_add(rq);
+
+	return i915_active_wait(&overlay->last_flip);
+}
+
+static void i915_overlay_reset(struct drm_device *drm)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+	struct i915_overlay *overlay = i915->overlay;
+
+	if (!overlay)
+		return;
+
+	overlay->frontbuffer_bits = 0;
+}
+
+static struct i915_vma *i915_overlay_pin_fb(struct drm_device *drm,
+					    struct drm_gem_object *obj,
+					    u32 *offset)
+{
+	struct drm_i915_gem_object *new_bo = to_intel_bo(obj);
+	struct i915_gem_ww_ctx ww;
+	struct i915_vma *vma;
+	int ret;
+
+	i915_gem_ww_ctx_init(&ww, true);
+retry:
+	ret = i915_gem_object_lock(new_bo, &ww);
+	if (!ret) {
+		vma = i915_gem_object_pin_to_display_plane(new_bo, &ww, 0, 0,
+							   NULL, PIN_MAPPABLE);
+		ret = PTR_ERR_OR_ZERO(vma);
+	}
+	if (ret == -EDEADLK) {
+		ret = i915_gem_ww_ctx_backoff(&ww);
+		if (!ret)
+			goto retry;
+	}
+	i915_gem_ww_ctx_fini(&ww);
+	if (ret)
+		return ERR_PTR(ret);
+
+	*offset = i915_ggtt_offset(vma);
+
+	return vma;
+}
+
+static void i915_overlay_unpin_fb(struct drm_device *drm,
+				  struct i915_vma *vma)
+{
+	i915_vma_unpin(vma);
+}
+
+static struct drm_gem_object *
+i915_overlay_obj_lookup(struct drm_device *drm,
+			struct drm_file *file_priv,
+			u32 handle)
+{
+	struct drm_i915_gem_object *bo;
+
+	bo = i915_gem_object_lookup(file_priv, handle);
+	if (!bo)
+		return ERR_PTR(-ENOENT);
+
+	if (i915_gem_object_is_tiled(bo)) {
+		drm_dbg(drm, "buffer used for overlay image can not be tiled\n");
+		i915_gem_object_put(bo);
+		return ERR_PTR(-EINVAL);
+	}
+
+	return intel_bo_to_drm_bo(bo);
+}
+
+static int get_registers(struct i915_overlay *overlay, bool use_phys)
+{
+	struct drm_i915_private *i915 = overlay->i915;
+	struct drm_i915_gem_object *obj;
+	struct i915_vma *vma;
+	int err;
+
+	obj = i915_gem_object_create_stolen(i915, PAGE_SIZE);
+	if (IS_ERR(obj))
+		obj = i915_gem_object_create_internal(i915, PAGE_SIZE);
+	if (IS_ERR(obj))
+		return PTR_ERR(obj);
+
+	vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, PIN_MAPPABLE);
+	if (IS_ERR(vma)) {
+		err = PTR_ERR(vma);
+		goto err_put_bo;
+	}
+
+	if (use_phys)
+		overlay->flip_addr = sg_dma_address(obj->mm.pages->sgl);
+	else
+		overlay->flip_addr = i915_ggtt_offset(vma);
+	overlay->regs = i915_vma_pin_iomap(vma);
+	i915_vma_unpin(vma);
+
+	if (IS_ERR(overlay->regs)) {
+		err = PTR_ERR(overlay->regs);
+		goto err_put_bo;
+	}
+
+	overlay->reg_bo = obj;
+	return 0;
+
+err_put_bo:
+	i915_gem_object_put(obj);
+	return err;
+}
+
+static void __iomem *i915_overlay_setup(struct drm_device *drm,
+					bool needs_physical)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+	struct intel_engine_cs *engine;
+	struct i915_overlay *overlay;
+	int ret;
+
+	engine = to_gt(i915)->engine[RCS0];
+	if (!engine || !engine->kernel_context)
+		return ERR_PTR(-ENOENT);
+
+	overlay = kzalloc_obj(*overlay);
+	if (!overlay)
+		return ERR_PTR(-ENOMEM);
+
+	overlay->i915 = i915;
+	overlay->context = engine->kernel_context;
+
+	i915_active_init(&overlay->last_flip,
+			 NULL, i915_overlay_last_flip_retire, 0);
+
+	ret = get_registers(overlay, needs_physical);
+	if (ret) {
+		kfree(overlay);
+		return ERR_PTR(ret);
+	}
+
+	i915->overlay = overlay;
+
+	return overlay->regs;
+}
+
+static void i915_overlay_cleanup(struct drm_device *drm)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+	struct i915_overlay *overlay = i915->overlay;
+
+	if (!overlay)
+		return;
+
+	/*
+	 * The bo's should be free'd by the generic code already.
+	 * Furthermore modesetting teardown happens beforehand so the
+	 * hardware should be off already.
+	 */
+	drm_WARN_ON(drm, i915_overlay_is_active(drm));
+
+	i915_gem_object_put(overlay->reg_bo);
+	i915_active_fini(&overlay->last_flip);
+
+	kfree(overlay);
+	i915->overlay = NULL;
+}
+
+const struct intel_display_overlay_interface i915_display_overlay_interface = {
+	.is_active = i915_overlay_is_active,
+	.overlay_on = i915_overlay_on,
+	.overlay_continue = i915_overlay_continue,
+	.overlay_off = i915_overlay_off,
+	.recover_from_interrupt = i915_overlay_recover_from_interrupt,
+	.release_old_vid = i915_overlay_release_old_vid,
+	.reset = i915_overlay_reset,
+	.obj_lookup = i915_overlay_obj_lookup,
+	.pin_fb = i915_overlay_pin_fb,
+	.unpin_fb = i915_overlay_unpin_fb,
+	.setup = i915_overlay_setup,
+	.cleanup = i915_overlay_cleanup,
+};
diff --git a/drivers/gpu/drm/i915/i915_overlay.h b/drivers/gpu/drm/i915/i915_overlay.h
new file mode 100644
index 000000000000..f8053eb8d189
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_overlay.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2026 Intel Corporation
+ */
+
+#ifndef __I915_OVERLAY_H__
+#define __I915_OVERLAY_H__
+
+extern const struct intel_display_overlay_interface i915_display_overlay_interface;
+
+#endif /* __I915_OVERLAY_H__ */
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 2820e8f0f765..19b82427aa41 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -2635,10 +2635,9 @@ static int gen12_configure_oar_context(struct i915_perf_stream *stream,
 		{
 			RING_CONTEXT_CONTROL(ce->engine->mmio_base),
 			CTX_CONTEXT_CONTROL,
-			_MASKED_FIELD(GEN12_CTX_CTRL_OAR_CONTEXT_ENABLE,
-				      active ?
-				      GEN12_CTX_CTRL_OAR_CONTEXT_ENABLE :
-				      0)
+			active ?
+			REG_MASKED_FIELD_ENABLE(GEN12_CTX_CTRL_OAR_CONTEXT_ENABLE) :
+			REG_MASKED_FIELD_DISABLE(GEN12_CTX_CTRL_OAR_CONTEXT_ENABLE),
 		},
 	};
 
@@ -2827,8 +2826,8 @@ gen8_enable_metric_set(struct i915_perf_stream *stream,
 	 */
 	if (IS_GRAPHICS_VER(stream->perf->i915, 9, 11)) {
 		intel_uncore_write(uncore, GEN8_OA_DEBUG,
-				   _MASKED_BIT_ENABLE(GEN9_OA_DEBUG_DISABLE_CLK_RATIO_REPORTS |
-						      GEN9_OA_DEBUG_INCLUDE_CLK_RATIO));
+				   REG_MASKED_FIELD_ENABLE(GEN9_OA_DEBUG_DISABLE_CLK_RATIO_REPORTS |
+							   GEN9_OA_DEBUG_INCLUDE_CLK_RATIO));
 	}
 
 	/*
@@ -2847,9 +2846,10 @@ gen8_enable_metric_set(struct i915_perf_stream *stream,
 
 static u32 oag_report_ctx_switches(const struct i915_perf_stream *stream)
 {
-	return _MASKED_FIELD(GEN12_OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS,
-			     (stream->sample_flags & SAMPLE_OA_REPORT) ?
-			     0 : GEN12_OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS);
+	if (stream->sample_flags & SAMPLE_OA_REPORT)
+		return REG_MASKED_FIELD_DISABLE(GEN12_OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS);
+	else
+		return REG_MASKED_FIELD_ENABLE(GEN12_OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS);
 }
 
 static int
@@ -2870,15 +2870,15 @@ gen12_enable_metric_set(struct i915_perf_stream *stream,
 	 */
 	if (IS_DG2(i915)) {
 		intel_gt_mcr_multicast_write(uncore->gt, GEN8_ROW_CHICKEN,
-					     _MASKED_BIT_ENABLE(STALL_DOP_GATING_DISABLE));
+					     REG_MASKED_FIELD_ENABLE(STALL_DOP_GATING_DISABLE));
 		intel_uncore_write(uncore, GEN7_ROW_CHICKEN2,
-				   _MASKED_BIT_ENABLE(GEN12_DISABLE_DOP_GATING));
+				   REG_MASKED_FIELD_ENABLE(GEN12_DISABLE_DOP_GATING));
 	}
 
 	intel_uncore_write(uncore, __oa_regs(stream)->oa_debug,
 			   /* Disable clk ratio reports, like previous Gens. */
-			   _MASKED_BIT_ENABLE(GEN12_OAG_OA_DEBUG_DISABLE_CLK_RATIO_REPORTS |
-					      GEN12_OAG_OA_DEBUG_INCLUDE_CLK_RATIO) |
+			   REG_MASKED_FIELD_ENABLE(GEN12_OAG_OA_DEBUG_DISABLE_CLK_RATIO_REPORTS |
+						   GEN12_OAG_OA_DEBUG_INCLUDE_CLK_RATIO) |
 			   /*
 			    * If the user didn't require OA reports, instruct
 			    * the hardware not to emit ctx switch reports.
@@ -2949,9 +2949,9 @@ static void gen12_disable_metric_set(struct i915_perf_stream *stream)
 	 */
 	if (IS_DG2(i915)) {
 		intel_gt_mcr_multicast_write(uncore->gt, GEN8_ROW_CHICKEN,
-					     _MASKED_BIT_DISABLE(STALL_DOP_GATING_DISABLE));
+					     REG_MASKED_FIELD_DISABLE(STALL_DOP_GATING_DISABLE));
 		intel_uncore_write(uncore, GEN7_ROW_CHICKEN2,
-				   _MASKED_BIT_DISABLE(GEN12_DISABLE_DOP_GATING));
+				   REG_MASKED_FIELD_DISABLE(GEN12_DISABLE_DOP_GATING));
 	}
 
 	/* disable the context save/restore or OAR counters */
@@ -4475,7 +4475,7 @@ static u32 mask_reg_value(u32 reg, u32 val)
 	 * programmed by userspace doesn't change this.
 	 */
 	if (REG_EQUAL(reg, HALF_SLICE_CHICKEN2))
-		val = val & ~_MASKED_BIT_ENABLE(GEN8_ST_PO_DISABLE);
+		val = val & ~REG_MASKED_FIELD_ENABLE(GEN8_ST_PO_DISABLE);
 
 	/*
 	 * WAIT_FOR_RC6_EXIT has only one bit fulfilling the function
@@ -4483,7 +4483,7 @@ static u32 mask_reg_value(u32 reg, u32 val)
 	 * configs.
 	 */
 	if (REG_EQUAL(reg, WAIT_FOR_RC6_EXIT))
-		val = val & ~_MASKED_BIT_ENABLE(HSW_WAIT_FOR_RC6_EXIT_ENABLE);
+		val = val & ~REG_MASKED_FIELD_ENABLE(HSW_WAIT_FOR_RC6_EXIT_ENABLE);
 
 	return val;
 }
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 5bf3b4ab2baa..5d99b99b0c57 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -116,9 +116,6 @@
  *  #define GEN8_BAR                    _MMIO(0xb888)
  */
 
-#define GU_CNTL_PROTECTED		_MMIO(0x10100C)
-#define   DEPRESENT			REG_BIT(9)
-
 #define GU_CNTL				_MMIO(0x101010)
 #define   LMEM_INIT			REG_BIT(7)
 #define   DRIVERFLR			REG_BIT(31)
@@ -328,29 +325,6 @@
 #define GEN7_MEDIA_MAX_REQ_COUNT	_MMIO(0x4070)
 #define GEN7_GFX_MAX_REQ_COUNT		_MMIO(0x4074)
 
-#define GEN7_ERR_INT	_MMIO(0x44040)
-#define   ERR_INT_POISON		(1 << 31)
-#define   ERR_INT_INVALID_GTT_PTE	(1 << 29)
-#define   ERR_INT_INVALID_PTE_DATA	(1 << 28)
-#define   ERR_INT_SPRITE_C_FAULT	(1 << 23)
-#define   ERR_INT_PRIMARY_C_FAULT	(1 << 22)
-#define   ERR_INT_CURSOR_C_FAULT	(1 << 21)
-#define   ERR_INT_SPRITE_B_FAULT	(1 << 20)
-#define   ERR_INT_PRIMARY_B_FAULT	(1 << 19)
-#define   ERR_INT_CURSOR_B_FAULT	(1 << 18)
-#define   ERR_INT_SPRITE_A_FAULT	(1 << 17)
-#define   ERR_INT_PRIMARY_A_FAULT	(1 << 16)
-#define   ERR_INT_CURSOR_A_FAULT	(1 << 15)
-#define   ERR_INT_MMIO_UNCLAIMED	(1 << 13)
-#define   ERR_INT_PIPE_CRC_DONE_C	(1 << 8)
-#define   ERR_INT_FIFO_UNDERRUN_C	(1 << 6)
-#define   ERR_INT_PIPE_CRC_DONE_B	(1 << 5)
-#define   ERR_INT_FIFO_UNDERRUN_B	(1 << 3)
-#define   ERR_INT_PIPE_CRC_DONE_A	(1 << 2)
-#define   ERR_INT_PIPE_CRC_DONE(pipe)	(1 << (2 + (pipe) * 3))
-#define   ERR_INT_FIFO_UNDERRUN_A	(1 << 0)
-#define   ERR_INT_FIFO_UNDERRUN(pipe)	(1 << ((pipe) * 3))
-
 #define FPGA_DBG		_MMIO(0x42300)
 #define   FPGA_DBG_RM_NOCLAIM	REG_BIT(31)
 
@@ -361,9 +335,6 @@
 
 #define VLV_GU_CTL0	_MMIO(VLV_DISPLAY_BASE + 0x2030)
 #define VLV_GU_CTL1	_MMIO(VLV_DISPLAY_BASE + 0x2034)
-#define SCPD0		_MMIO(0x209c) /* 915+ only */
-#define  SCPD_FBC_IGNORE_3D			(1 << 6)
-#define  CSTATE_RENDER_CLOCK_GATE_DISABLE	(1 << 5)
 #define GEN2_IER	_MMIO(0x20a0)
 #define GEN2_IIR	_MMIO(0x20a4)
 #define GEN2_IMR	_MMIO(0x20a8)
@@ -377,13 +348,6 @@
 #define   GINT_DIS		(1 << 22)
 #define   GCFG_DIS		(1 << 8)
 #define VLV_GUNIT_CLOCK_GATE2	_MMIO(VLV_DISPLAY_BASE + 0x2064)
-#define VLV_IIR_RW	_MMIO(VLV_DISPLAY_BASE + 0x2084)
-#define VLV_IER		_MMIO(VLV_DISPLAY_BASE + 0x20a0)
-#define VLV_IIR		_MMIO(VLV_DISPLAY_BASE + 0x20a4)
-#define VLV_IMR		_MMIO(VLV_DISPLAY_BASE + 0x20a8)
-#define VLV_ISR		_MMIO(VLV_DISPLAY_BASE + 0x20ac)
-#define VLV_PCBR	_MMIO(VLV_DISPLAY_BASE + 0x2120)
-#define VLV_PCBR_ADDR_SHIFT	12
 
 #define EIR		_MMIO(0x20b0)
 #define EMR		_MMIO(0x20b4)
@@ -397,24 +361,10 @@
 
 #define GEN2_ERROR_REGS		I915_ERROR_REGS(EMR, EIR)
 
-#define INSTPM	        _MMIO(0x20c0)
-#define   INSTPM_SELF_EN (1 << 12) /* 915GM only */
-#define   INSTPM_AGPBUSY_INT_EN (1 << 11) /* gen3: when disabled, pending interrupts
-					will not assert AGPBUSY# and will only
-					be delivered when out of C3. */
-#define   INSTPM_FORCE_ORDERING				(1 << 7) /* GEN6+ */
-#define   INSTPM_TLB_INVALIDATE	(1 << 9)
-#define   INSTPM_SYNC_FLUSH	(1 << 5)
 #define MEM_MODE	_MMIO(0x20cc)
 #define   MEM_DISPLAY_B_TRICKLE_FEED_DISABLE (1 << 3) /* 830 only */
 #define   MEM_DISPLAY_A_TRICKLE_FEED_DISABLE (1 << 2) /* 830/845 only */
 #define   MEM_DISPLAY_TRICKLE_FEED_DISABLE (1 << 2) /* 85x only */
-#define FW_BLC		_MMIO(0x20d8)
-#define FW_BLC2		_MMIO(0x20dc)
-#define FW_BLC_SELF	_MMIO(0x20e0) /* 915+ only */
-#define   FW_BLC_SELF_EN_MASK      REG_BIT(31)
-#define   FW_BLC_SELF_FIFO_MASK    REG_BIT(16) /* 945 only */
-#define   FW_BLC_SELF_EN           REG_BIT(15) /* 945 only */
 #define MM_BURST_LENGTH     0x00700000
 #define MM_FIFO_WATERMARK   0x0001F000
 #define LM_BURST_LENGTH     0x00000700
@@ -524,42 +474,6 @@
 /* These are all the "old" interrupts */
 #define ILK_BSD_USER_INTERRUPT				(1 << 5)
 
-#define I915_PM_INTERRUPT				(1 << 31)
-#define I915_ISP_INTERRUPT				(1 << 22)
-#define I915_LPE_PIPE_B_INTERRUPT			(1 << 21)
-#define I915_LPE_PIPE_A_INTERRUPT			(1 << 20)
-#define I915_MIPIC_INTERRUPT				(1 << 19)
-#define I915_MIPIA_INTERRUPT				(1 << 18)
-#define I915_PIPE_CONTROL_NOTIFY_INTERRUPT		(1 << 18)
-#define I915_DISPLAY_PORT_INTERRUPT			(1 << 17)
-#define I915_DISPLAY_PIPE_C_HBLANK_INTERRUPT		(1 << 16)
-#define I915_MASTER_ERROR_INTERRUPT			(1 << 15)
-#define I915_DISPLAY_PIPE_B_HBLANK_INTERRUPT		(1 << 14)
-#define I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT	(1 << 14) /* p-state */
-#define I915_DISPLAY_PIPE_A_HBLANK_INTERRUPT		(1 << 13)
-#define I915_HWB_OOM_INTERRUPT				(1 << 13)
-#define I915_LPE_PIPE_C_INTERRUPT			(1 << 12)
-#define I915_SYNC_STATUS_INTERRUPT			(1 << 12)
-#define I915_MISC_INTERRUPT				(1 << 11)
-#define I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT	(1 << 11)
-#define I915_DISPLAY_PIPE_C_VBLANK_INTERRUPT		(1 << 10)
-#define I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT	(1 << 10)
-#define I915_DISPLAY_PIPE_C_EVENT_INTERRUPT		(1 << 9)
-#define I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT	(1 << 9)
-#define I915_DISPLAY_PIPE_C_DPBM_INTERRUPT		(1 << 8)
-#define I915_DISPLAY_PLANE_C_FLIP_PENDING_INTERRUPT	(1 << 8)
-#define I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT		(1 << 7)
-#define I915_DISPLAY_PIPE_A_EVENT_INTERRUPT		(1 << 6)
-#define I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT		(1 << 5)
-#define I915_DISPLAY_PIPE_B_EVENT_INTERRUPT		(1 << 4)
-#define I915_DISPLAY_PIPE_A_DPBM_INTERRUPT		(1 << 3)
-#define I915_DISPLAY_PIPE_B_DPBM_INTERRUPT		(1 << 2)
-#define I915_DEBUG_INTERRUPT				(1 << 2)
-#define I915_WINVALID_INTERRUPT				(1 << 1)
-#define I915_USER_INTERRUPT				(1 << 1)
-#define I915_ASLE_INTERRUPT				(1 << 0)
-#define I915_BSD_USER_INTERRUPT				(1 << 25)
-
 #define GEN6_BSD_RNCID			_MMIO(0x12198)
 
 #define GEN7_FF_THREAD_MODE		_MMIO(0x20a0)
@@ -613,47 +527,6 @@
 #define  DSTATE_GFX_CLOCK_GATING		(1 << 1)
 #define  DSTATE_DOT_CLOCK_GATING		(1 << 0)
 
-#define DSPCLK_GATE_D			_MMIO(0x6200)
-#define VLV_DSPCLK_GATE_D		_MMIO(VLV_DISPLAY_BASE + 0x6200)
-# define DPUNIT_B_CLOCK_GATE_DISABLE		(1 << 30) /* 965 */
-# define VSUNIT_CLOCK_GATE_DISABLE		(1 << 29) /* 965 */
-# define VRHUNIT_CLOCK_GATE_DISABLE		(1 << 28) /* 965 */
-# define VRDUNIT_CLOCK_GATE_DISABLE		(1 << 27) /* 965 */
-# define AUDUNIT_CLOCK_GATE_DISABLE		(1 << 26) /* 965 */
-# define DPUNIT_A_CLOCK_GATE_DISABLE		(1 << 25) /* 965 */
-# define DPCUNIT_CLOCK_GATE_DISABLE		(1 << 24) /* 965 */
-# define PNV_GMBUSUNIT_CLOCK_GATE_DISABLE	(1 << 24) /* pnv */
-# define TVRUNIT_CLOCK_GATE_DISABLE		(1 << 23) /* 915-945 */
-# define TVCUNIT_CLOCK_GATE_DISABLE		(1 << 22) /* 915-945 */
-# define TVFUNIT_CLOCK_GATE_DISABLE		(1 << 21) /* 915-945 */
-# define TVEUNIT_CLOCK_GATE_DISABLE		(1 << 20) /* 915-945 */
-# define DVSUNIT_CLOCK_GATE_DISABLE		(1 << 19) /* 915-945 */
-# define DSSUNIT_CLOCK_GATE_DISABLE		(1 << 18) /* 915-945 */
-# define DDBUNIT_CLOCK_GATE_DISABLE		(1 << 17) /* 915-945 */
-# define DPRUNIT_CLOCK_GATE_DISABLE		(1 << 16) /* 915-945 */
-# define DPFUNIT_CLOCK_GATE_DISABLE		(1 << 15) /* 915-945 */
-# define DPBMUNIT_CLOCK_GATE_DISABLE		(1 << 14) /* 915-945 */
-# define DPLSUNIT_CLOCK_GATE_DISABLE		(1 << 13) /* 915-945 */
-# define DPLUNIT_CLOCK_GATE_DISABLE		(1 << 12) /* 915-945 */
-# define DPOUNIT_CLOCK_GATE_DISABLE		(1 << 11)
-# define DPBUNIT_CLOCK_GATE_DISABLE		(1 << 10)
-# define DCUNIT_CLOCK_GATE_DISABLE		(1 << 9)
-# define DPUNIT_CLOCK_GATE_DISABLE		(1 << 8)
-# define VRUNIT_CLOCK_GATE_DISABLE		(1 << 7) /* 915+: reserved */
-# define OVHUNIT_CLOCK_GATE_DISABLE		(1 << 6) /* 830-865 */
-# define DPIOUNIT_CLOCK_GATE_DISABLE		(1 << 6) /* 915-945 */
-# define OVFUNIT_CLOCK_GATE_DISABLE		(1 << 5)
-# define OVBUNIT_CLOCK_GATE_DISABLE		(1 << 4)
-/*
- * This bit must be set on the 830 to prevent hangs when turning off the
- * overlay scaler.
- */
-# define OVRUNIT_CLOCK_GATE_DISABLE		(1 << 3)
-# define OVCUNIT_CLOCK_GATE_DISABLE		(1 << 2)
-# define OVUUNIT_CLOCK_GATE_DISABLE		(1 << 1)
-# define ZVUNIT_CLOCK_GATE_DISABLE		(1 << 0) /* 830 */
-# define OVLUNIT_CLOCK_GATE_DISABLE		(1 << 0) /* 845,865 */
-
 #define RENCLK_GATE_D1		_MMIO(0x6204)
 # define BLITTER_CLOCK_GATE_DISABLE		(1 << 13) /* 945GM only */
 # define MPEG_CLOCK_GATE_DISABLE		(1 << 12) /* 945GM only */
@@ -758,19 +631,6 @@
 #define VLV_CLK_CTL2			_MMIO(0x101104)
 #define   CLK_CTL2_CZCOUNT_30NS_SHIFT	28
 
-/*
- * GEN9 clock gating regs
- */
-#define GEN9_CLKGATE_DIS_0		_MMIO(0x46530)
-#define   DARBF_GATING_DIS		REG_BIT(27)
-#define   MTL_PIPEDMC_GATING_DIS(pipe)	REG_BIT(15 - (pipe))
-#define   PWM2_GATING_DIS		REG_BIT(14)
-#define   PWM1_GATING_DIS		REG_BIT(13)
-
-#define GEN9_CLKGATE_DIS_3		_MMIO(0x46538)
-#define   TGL_VRH_GATING_DIS		REG_BIT(31)
-#define   DPT_GATING_DIS		REG_BIT(22)
-
 #define VLV_DPFLIPSTAT				_MMIO(VLV_DISPLAY_BASE + 0x70028)
 #define   PIPEB_LINE_COMPARE_INT_EN			REG_BIT(29)
 #define   PIPEB_HLINE_INT_EN			REG_BIT(28)
@@ -799,56 +659,9 @@
 #define PCH_3DCGDIS1		_MMIO(0x46024)
 # define VFMUNIT_CLOCK_GATE_DISABLE		(1 << 11)
 
-/* Display Internal Timeout Register */
-#define RM_TIMEOUT		_MMIO(0x42060)
-#define RM_TIMEOUT_REG_CAPTURE	_MMIO(0x420E0)
-#define  MMIO_TIMEOUT_US(us)	((us) << 0)
-
-/* interrupts */
-#define DE_MASTER_IRQ_CONTROL   (1 << 31)
-#define DE_SPRITEB_FLIP_DONE    (1 << 29)
-#define DE_SPRITEA_FLIP_DONE    (1 << 28)
-#define DE_PLANEB_FLIP_DONE     (1 << 27)
-#define DE_PLANEA_FLIP_DONE     (1 << 26)
-#define DE_PLANE_FLIP_DONE(plane) (1 << (26 + (plane)))
-#define DE_PCU_EVENT            (1 << 25)
-#define DE_GTT_FAULT            (1 << 24)
-#define DE_POISON               (1 << 23)
-#define DE_PERFORM_COUNTER      (1 << 22)
-#define DE_PCH_EVENT            (1 << 21)
-#define DE_AUX_CHANNEL_A        (1 << 20)
-#define DE_DP_A_HOTPLUG         (1 << 19)
-#define DE_GSE                  (1 << 18)
-#define DE_PIPEB_VBLANK         (1 << 15)
-#define DE_PIPEB_EVEN_FIELD     (1 << 14)
-#define DE_PIPEB_ODD_FIELD      (1 << 13)
-#define DE_PIPEB_LINE_COMPARE   (1 << 12)
-#define DE_PIPEB_VSYNC          (1 << 11)
-#define DE_PIPEB_CRC_DONE	(1 << 10)
-#define DE_PIPEB_FIFO_UNDERRUN  (1 << 8)
-#define DE_PIPEA_VBLANK         (1 << 7)
-#define DE_PIPE_VBLANK(pipe)    (1 << (7 + 8 * (pipe)))
-#define DE_PIPEA_EVEN_FIELD     (1 << 6)
-#define DE_PIPEA_ODD_FIELD      (1 << 5)
-#define DE_PIPEA_LINE_COMPARE   (1 << 4)
-#define DE_PIPEA_VSYNC          (1 << 3)
-#define DE_PIPEA_CRC_DONE	(1 << 2)
-#define DE_PIPE_CRC_DONE(pipe)	(1 << (2 + 8 * (pipe)))
-#define DE_PIPEA_FIFO_UNDERRUN  (1 << 0)
-#define DE_PIPE_FIFO_UNDERRUN(pipe)  (1 << (8 * (pipe)))
-
 #define VLV_MASTER_IER			_MMIO(0x4400c) /* Gunit master IER */
 #define   MASTER_INTERRUPT_ENABLE	(1 << 31)
 
-#define DEISR   _MMIO(0x44000)
-#define DEIMR   _MMIO(0x44004)
-#define DEIIR   _MMIO(0x44008)
-#define DEIER   _MMIO(0x4400c)
-
-#define DE_IRQ_REGS		I915_IRQ_REGS(DEIMR, \
-					      DEIER, \
-					      DEIIR)
-
 #define GTISR   _MMIO(0x44010)
 #define GTIMR   _MMIO(0x44014)
 #define GTIIR   _MMIO(0x44018)
@@ -858,24 +671,6 @@
 					      GTIER, \
 					      GTIIR)
 
-#define GEN8_MASTER_IRQ			_MMIO(0x44200)
-#define  GEN8_MASTER_IRQ_CONTROL	(1 << 31)
-#define  GEN8_PCU_IRQ			(1 << 30)
-#define  GEN8_DE_PCH_IRQ		(1 << 23)
-#define  GEN8_DE_MISC_IRQ		(1 << 22)
-#define  GEN8_DE_PORT_IRQ		(1 << 20)
-#define  GEN8_DE_PIPE_C_IRQ		(1 << 18)
-#define  GEN8_DE_PIPE_B_IRQ		(1 << 17)
-#define  GEN8_DE_PIPE_A_IRQ		(1 << 16)
-#define  GEN8_DE_PIPE_IRQ(pipe)		(1 << (16 + (pipe)))
-#define  GEN8_GT_VECS_IRQ		(1 << 6)
-#define  GEN8_GT_GUC_IRQ		(1 << 5)
-#define  GEN8_GT_PM_IRQ			(1 << 4)
-#define  GEN8_GT_VCS1_IRQ		(1 << 3) /* NB: VCS2 in bspec! */
-#define  GEN8_GT_VCS0_IRQ		(1 << 2) /* NB: VCS1 in bpsec! */
-#define  GEN8_GT_BCS_IRQ		(1 << 1)
-#define  GEN8_GT_RCS_IRQ		(1 << 0)
-
 #define GEN8_GT_ISR(which) _MMIO(0x44300 + (0x10 * (which)))
 #define GEN8_GT_IMR(which) _MMIO(0x44304 + (0x10 * (which)))
 #define GEN8_GT_IIR(which) _MMIO(0x44308 + (0x10 * (which)))
@@ -901,25 +696,6 @@
 						      GEN8_PCU_IER, \
 						      GEN8_PCU_IIR)
 
-#define GEN11_GU_MISC_ISR	_MMIO(0x444f0)
-#define GEN11_GU_MISC_IMR	_MMIO(0x444f4)
-#define GEN11_GU_MISC_IIR	_MMIO(0x444f8)
-#define GEN11_GU_MISC_IER	_MMIO(0x444fc)
-#define  GEN11_GU_MISC_GSE	(1 << 27)
-
-#define GEN11_GU_MISC_IRQ_REGS		I915_IRQ_REGS(GEN11_GU_MISC_IMR, \
-						      GEN11_GU_MISC_IER, \
-						      GEN11_GU_MISC_IIR)
-
-#define GEN11_GFX_MSTR_IRQ		_MMIO(0x190010)
-#define  GEN11_MASTER_IRQ		(1 << 31)
-#define  GEN11_PCU_IRQ			(1 << 30)
-#define  GEN11_GU_MISC_IRQ		(1 << 29)
-#define  GEN11_DISPLAY_IRQ		(1 << 16)
-#define  GEN11_GT_DW_IRQ(x)		(1 << (x))
-#define  GEN11_GT_DW1_IRQ		(1 << 1)
-#define  GEN11_GT_DW0_IRQ		(1 << 0)
-
 #define DG1_MSTR_TILE_INTR		_MMIO(0x190008)
 #define   DG1_MSTR_IRQ			REG_BIT(31)
 #define   DG1_MSTR_TILE(t)		REG_BIT(t)
@@ -941,133 +717,9 @@
 #define   CHICKEN3_DGMG_REQ_OUT_FIX_DISABLE	REG_BIT(5)
 #define   CHICKEN3_DGMG_DONE_FIX_DISABLE	REG_BIT(2)
 
-#define CHICKEN_PAR1_1		_MMIO(0x42080)
-#define   IGNORE_KVMR_PIPE_A		REG_BIT(23)
-#define   KBL_ARB_FILL_SPARE_22		REG_BIT(22)
-#define   DIS_RAM_BYPASS_PSR2_MAN_TRACK	REG_BIT(16)
-#define   SKL_DE_COMPRESSED_HASH_MODE	REG_BIT(15)
-#define   HSW_MASK_VBL_TO_PIPE_IN_SRD	REG_BIT(15) /* hsw/bdw */
-#define   FORCE_ARB_IDLE_PLANES		REG_BIT(14)
-#define   SKL_EDP_PSR_FIX_RDWRAP	REG_BIT(3)
-#define   IGNORE_PSR2_HW_TRACKING	REG_BIT(1)
-
 #define CHICKEN_PAR2_1		_MMIO(0x42090)
 #define   KVM_CONFIG_CHANGE_NOTIFICATION_SELECT	REG_BIT(14)
 
-#define _CHICKEN_PIPESL_1_A	0x420b0
-#define _CHICKEN_PIPESL_1_B	0x420b4
-#define CHICKEN_PIPESL_1(pipe)	_MMIO_PIPE(pipe, _CHICKEN_PIPESL_1_A, _CHICKEN_PIPESL_1_B)
-#define   HSW_PRI_STRETCH_MAX_MASK	REG_GENMASK(28, 27)
-#define   HSW_PRI_STRETCH_MAX_X8	REG_FIELD_PREP(HSW_PRI_STRETCH_MAX_MASK, 0)
-#define   HSW_PRI_STRETCH_MAX_X4	REG_FIELD_PREP(HSW_PRI_STRETCH_MAX_MASK, 1)
-#define   HSW_PRI_STRETCH_MAX_X2	REG_FIELD_PREP(HSW_PRI_STRETCH_MAX_MASK, 2)
-#define   HSW_PRI_STRETCH_MAX_X1	REG_FIELD_PREP(HSW_PRI_STRETCH_MAX_MASK, 3)
-#define   HSW_SPR_STRETCH_MAX_MASK	REG_GENMASK(26, 25)
-#define   HSW_SPR_STRETCH_MAX_X8	REG_FIELD_PREP(HSW_SPR_STRETCH_MAX_MASK, 0)
-#define   HSW_SPR_STRETCH_MAX_X4	REG_FIELD_PREP(HSW_SPR_STRETCH_MAX_MASK, 1)
-#define   HSW_SPR_STRETCH_MAX_X2	REG_FIELD_PREP(HSW_SPR_STRETCH_MAX_MASK, 2)
-#define   HSW_SPR_STRETCH_MAX_X1	REG_FIELD_PREP(HSW_SPR_STRETCH_MAX_MASK, 3)
-#define   HSW_FBCQ_DIS			REG_BIT(22)
-#define   HSW_UNMASK_VBL_TO_REGS_IN_SRD REG_BIT(15) /* hsw */
-#define   SKL_PSR_MASK_PLANE_FLIP	REG_BIT(11) /* skl+ */
-#define   SKL_PLANE1_STRETCH_MAX_MASK	REG_GENMASK(1, 0)
-#define   SKL_PLANE1_STRETCH_MAX_X8	REG_FIELD_PREP(SKL_PLANE1_STRETCH_MAX_MASK, 0)
-#define   SKL_PLANE1_STRETCH_MAX_X4	REG_FIELD_PREP(SKL_PLANE1_STRETCH_MAX_MASK, 1)
-#define   SKL_PLANE1_STRETCH_MAX_X2	REG_FIELD_PREP(SKL_PLANE1_STRETCH_MAX_MASK, 2)
-#define   SKL_PLANE1_STRETCH_MAX_X1	REG_FIELD_PREP(SKL_PLANE1_STRETCH_MAX_MASK, 3)
-#define   BDW_UNMASK_VBL_TO_REGS_IN_SRD	REG_BIT(0) /* bdw */
-
-#define DISP_ARB_CTL	_MMIO(0x45000)
-#define   DISP_FBC_MEMORY_WAKE		REG_BIT(31)
-#define   DISP_TILE_SURFACE_SWIZZLING	REG_BIT(13)
-#define   DISP_FBC_WM_DIS		REG_BIT(15)
-
-#define GEN8_CHICKEN_DCPR_1			_MMIO(0x46430)
-#define   _LATENCY_REPORTING_REMOVED_PIPE_D	REG_BIT(31)
-#define   SKL_SELECT_ALTERNATE_DC_EXIT		REG_BIT(30)
-#define   _LATENCY_REPORTING_REMOVED_PIPE_C	REG_BIT(25)
-#define   _LATENCY_REPORTING_REMOVED_PIPE_B	REG_BIT(24)
-#define   _LATENCY_REPORTING_REMOVED_PIPE_A	REG_BIT(23)
-#define   LATENCY_REPORTING_REMOVED(pipe)	_PICK((pipe), \
-						      _LATENCY_REPORTING_REMOVED_PIPE_A, \
-						      _LATENCY_REPORTING_REMOVED_PIPE_B, \
-						      _LATENCY_REPORTING_REMOVED_PIPE_C, \
-						      _LATENCY_REPORTING_REMOVED_PIPE_D)
-#define   ICL_DELAY_PMRSP			REG_BIT(22)
-#define   DISABLE_FLR_SRC			REG_BIT(15)
-#define   MASK_WAKEMEM				REG_BIT(13)
-#define   DDI_CLOCK_REG_ACCESS			REG_BIT(7)
-
-#define GMD_ID_DISPLAY				_MMIO(0x510a0)
-#define   GMD_ID_ARCH_MASK			REG_GENMASK(31, 22)
-#define   GMD_ID_RELEASE_MASK			REG_GENMASK(21, 14)
-#define   GMD_ID_STEP				REG_GENMASK(5, 0)
-
-/* PCH */
-
-#define SDEISR  _MMIO(0xc4000)
-#define SDEIMR  _MMIO(0xc4004)
-#define SDEIIR  _MMIO(0xc4008)
-#define SDEIER  _MMIO(0xc400c)
-
-/* Icelake PPS_DATA and _ECC DIP Registers.
- * These are available for transcoders B,C and eDP.
- * Adding the _A so as to reuse the _MMIO_TRANS2
- * definition, with which it offsets to the right location.
- */
-
-#define _TRANSA_CHICKEN1	 0xf0060
-#define _TRANSB_CHICKEN1	 0xf1060
-#define TRANS_CHICKEN1(pipe)	_MMIO_PIPE(pipe, _TRANSA_CHICKEN1, _TRANSB_CHICKEN1)
-#define   TRANS_CHICKEN1_HDMIUNIT_GC_DISABLE	REG_BIT(10)
-#define   TRANS_CHICKEN1_DP0UNIT_GC_DISABLE	REG_BIT(4)
-
-#define _TRANSA_CHICKEN2	 0xf0064
-#define _TRANSB_CHICKEN2	 0xf1064
-#define TRANS_CHICKEN2(pipe)	_MMIO_PIPE(pipe, _TRANSA_CHICKEN2, _TRANSB_CHICKEN2)
-#define   TRANS_CHICKEN2_TIMING_OVERRIDE		REG_BIT(31)
-#define   TRANS_CHICKEN2_FDI_POLARITY_REVERSED		REG_BIT(29)
-#define   TRANS_CHICKEN2_FRAME_START_DELAY_MASK		REG_GENMASK(28, 27)
-#define   TRANS_CHICKEN2_FRAME_START_DELAY(x)		REG_FIELD_PREP(TRANS_CHICKEN2_FRAME_START_DELAY_MASK, (x)) /* 0-3 */
-#define   TRANS_CHICKEN2_DISABLE_DEEP_COLOR_COUNTER	REG_BIT(26)
-#define   TRANS_CHICKEN2_DISABLE_DEEP_COLOR_MODESWITCH	REG_BIT(25)
-
-#define SOUTH_CHICKEN1		_MMIO(0xc2000)
-#define  FDIA_PHASE_SYNC_SHIFT_OVR	19
-#define  FDIA_PHASE_SYNC_SHIFT_EN	18
-#define  INVERT_DDIE_HPD			REG_BIT(28)
-#define  INVERT_DDID_HPD_MTP			REG_BIT(27)
-#define  INVERT_TC4_HPD				REG_BIT(26)
-#define  INVERT_TC3_HPD				REG_BIT(25)
-#define  INVERT_TC2_HPD				REG_BIT(24)
-#define  INVERT_TC1_HPD				REG_BIT(23)
-#define  INVERT_DDID_HPD			(1 << 18)
-#define  INVERT_DDIC_HPD			(1 << 17)
-#define  INVERT_DDIB_HPD			(1 << 16)
-#define  INVERT_DDIA_HPD			(1 << 15)
-#define  FDI_PHASE_SYNC_OVR(pipe) (1 << (FDIA_PHASE_SYNC_SHIFT_OVR - ((pipe) * 2)))
-#define  FDI_PHASE_SYNC_EN(pipe) (1 << (FDIA_PHASE_SYNC_SHIFT_EN - ((pipe) * 2)))
-#define  FDI_BC_BIFURCATION_SELECT	(1 << 12)
-#define  CHASSIS_CLK_REQ_DURATION_MASK	(0xf << 8)
-#define  CHASSIS_CLK_REQ_DURATION(x)	((x) << 8)
-#define  SBCLK_RUN_REFCLK_DIS		(1 << 7)
-#define  ICP_SECOND_PPS_IO_SELECT	REG_BIT(2)
-#define  SPT_PWM_GRANULARITY		(1 << 0)
-#define SOUTH_CHICKEN2		_MMIO(0xc2004)
-#define  FDI_MPHY_IOSFSB_RESET_STATUS	(1 << 13)
-#define  FDI_MPHY_IOSFSB_RESET_CTL	(1 << 12)
-#define  LPT_PWM_GRANULARITY		(1 << 5)
-#define  DPLS_EDP_PPS_FIX_DIS		(1 << 0)
-
-#define SOUTH_DSPCLK_GATE_D	_MMIO(0xc2020)
-#define  PCH_GMBUSUNIT_CLOCK_GATE_DISABLE (1 << 31)
-#define  PCH_DPLUNIT_CLOCK_GATE_DISABLE (1 << 30)
-#define  PCH_DPLSUNIT_CLOCK_GATE_DISABLE (1 << 29)
-#define  PCH_DPMGUNIT_CLOCK_GATE_DISABLE (1 << 15)
-#define  PCH_CPUNIT_CLOCK_GATE_DISABLE (1 << 14)
-#define  CNP_PWM_CGE_GATING_DISABLE (1 << 13)
-#define  PCH_LP_PARTITION_LEVEL_DISABLE  (1 << 12)
-
 #define  VLV_PMWGICZ				_MMIO(0x1300a4)
 
 #define  HSW_EDRAM_CAP				_MMIO(0x120010)
@@ -1076,106 +728,6 @@
 #define    EDRAM_WAYS_IDX(cap)			(((cap) >> 5) & 0x7)
 #define    EDRAM_SETS_IDX(cap)			(((cap) >> 8) & 0x3)
 
-#define GEN6_PCODE_MAILBOX			_MMIO(0x138124)
-#define   GEN6_PCODE_READY			(1 << 31)
-#define   GEN6_PCODE_MB_PARAM2			REG_GENMASK(23, 16)
-#define   GEN6_PCODE_MB_PARAM1			REG_GENMASK(15, 8)
-#define   GEN6_PCODE_MB_COMMAND			REG_GENMASK(7, 0)
-#define   GEN6_PCODE_ERROR_MASK			0xFF
-#define     GEN6_PCODE_SUCCESS			0x0
-#define     GEN6_PCODE_ILLEGAL_CMD		0x1
-#define     GEN6_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE 0x2
-#define     GEN6_PCODE_TIMEOUT			0x3
-#define     GEN6_PCODE_UNIMPLEMENTED_CMD	0xFF
-#define     GEN7_PCODE_TIMEOUT			0x2
-#define     GEN7_PCODE_ILLEGAL_DATA		0x3
-#define     GEN11_PCODE_ILLEGAL_SUBCOMMAND	0x4
-#define     GEN11_PCODE_LOCKED			0x6
-#define     GEN11_PCODE_REJECTED		0x11
-#define     GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE 0x10
-#define   GEN6_PCODE_WRITE_RC6VIDS		0x4
-#define   GEN6_PCODE_READ_RC6VIDS		0x5
-#define     GEN6_ENCODE_RC6_VID(mv)		(((mv) - 245) / 5)
-#define     GEN6_DECODE_RC6_VID(vids)		(((vids) * 5) + 245)
-#define   BDW_PCODE_DISPLAY_FREQ_CHANGE_REQ	0x18
-#define   GEN9_PCODE_READ_MEM_LATENCY		0x6
-#define     GEN9_MEM_LATENCY_LEVEL_3_7_MASK	REG_GENMASK(31, 24)
-#define     GEN9_MEM_LATENCY_LEVEL_2_6_MASK	REG_GENMASK(23, 16)
-#define     GEN9_MEM_LATENCY_LEVEL_1_5_MASK	REG_GENMASK(15, 8)
-#define     GEN9_MEM_LATENCY_LEVEL_0_4_MASK	REG_GENMASK(7, 0)
-#define   SKL_PCODE_LOAD_HDCP_KEYS		0x5
-#define   SKL_PCODE_CDCLK_CONTROL		0x7
-#define     SKL_CDCLK_PREPARE_FOR_CHANGE	0x3
-#define     SKL_CDCLK_READY_FOR_CHANGE		0x1
-#define   GEN6_PCODE_WRITE_MIN_FREQ_TABLE	0x8
-#define   GEN6_PCODE_READ_MIN_FREQ_TABLE	0x9
-#define   GEN6_READ_OC_PARAMS			0xc
-#define   ICL_PCODE_MEM_SUBSYSYSTEM_INFO	0xd
-#define     ICL_PCODE_MEM_SS_READ_GLOBAL_INFO	(0x0 << 8)
-#define     ICL_PCODE_MEM_SS_READ_QGV_POINT_INFO(point)	(((point) << 16) | (0x1 << 8))
-#define     ADL_PCODE_MEM_SS_READ_PSF_GV_INFO	((0) | (0x2 << 8))
-#define   DISPLAY_TO_PCODE_CDCLK_MAX		0x28D
-#define   DISPLAY_TO_PCODE_VOLTAGE_MASK		REG_GENMASK(1, 0)
-#define	  DISPLAY_TO_PCODE_VOLTAGE_MAX		DISPLAY_TO_PCODE_VOLTAGE_MASK
-#define   DISPLAY_TO_PCODE_CDCLK_VALID		REG_BIT(27)
-#define   DISPLAY_TO_PCODE_PIPE_COUNT_VALID	REG_BIT(31)
-#define   DISPLAY_TO_PCODE_CDCLK_MASK		REG_GENMASK(25, 16)
-#define   DISPLAY_TO_PCODE_PIPE_COUNT_MASK	REG_GENMASK(30, 28)
-#define   DISPLAY_TO_PCODE_CDCLK(x)		REG_FIELD_PREP(DISPLAY_TO_PCODE_CDCLK_MASK, (x))
-#define   DISPLAY_TO_PCODE_PIPE_COUNT(x)	REG_FIELD_PREP(DISPLAY_TO_PCODE_PIPE_COUNT_MASK, (x))
-#define   DISPLAY_TO_PCODE_VOLTAGE(x)		REG_FIELD_PREP(DISPLAY_TO_PCODE_VOLTAGE_MASK, (x))
-#define   DISPLAY_TO_PCODE_UPDATE_MASK(cdclk, num_pipes, voltage_level) \
-		((DISPLAY_TO_PCODE_CDCLK(cdclk)) | \
-		(DISPLAY_TO_PCODE_PIPE_COUNT(num_pipes)) | \
-		(DISPLAY_TO_PCODE_VOLTAGE(voltage_level)))
-#define   ICL_PCODE_SAGV_DE_MEM_SS_CONFIG	0xe
-#define     ICL_PCODE_REP_QGV_MASK		REG_GENMASK(1, 0)
-#define     ICL_PCODE_REP_QGV_SAFE		REG_FIELD_PREP(ICL_PCODE_REP_QGV_MASK, 0)
-#define     ICL_PCODE_REP_QGV_POLL		REG_FIELD_PREP(ICL_PCODE_REP_QGV_MASK, 1)
-#define     ICL_PCODE_REP_QGV_REJECTED		REG_FIELD_PREP(ICL_PCODE_REP_QGV_MASK, 2)
-#define     ADLS_PCODE_REP_PSF_MASK		REG_GENMASK(3, 2)
-#define     ADLS_PCODE_REP_PSF_SAFE		REG_FIELD_PREP(ADLS_PCODE_REP_PSF_MASK, 0)
-#define     ADLS_PCODE_REP_PSF_POLL		REG_FIELD_PREP(ADLS_PCODE_REP_PSF_MASK, 1)
-#define     ADLS_PCODE_REP_PSF_REJECTED		REG_FIELD_PREP(ADLS_PCODE_REP_PSF_MASK, 2)
-#define     ICL_PCODE_REQ_QGV_PT_MASK		REG_GENMASK(7, 0)
-#define     ICL_PCODE_REQ_QGV_PT(x)		REG_FIELD_PREP(ICL_PCODE_REQ_QGV_PT_MASK, (x))
-#define     ADLS_PCODE_REQ_PSF_PT_MASK		REG_GENMASK(10, 8)
-#define     ADLS_PCODE_REQ_PSF_PT(x)		REG_FIELD_PREP(ADLS_PCODE_REQ_PSF_PT_MASK, (x))
-#define   GEN6_PCODE_READ_D_COMP		0x10
-#define   GEN6_PCODE_WRITE_D_COMP		0x11
-#define   ICL_PCODE_EXIT_TCCOLD			0x12
-#define   HSW_PCODE_DE_WRITE_FREQ_REQ		0x17
-#define   DISPLAY_IPS_CONTROL			0x19
-#define   TGL_PCODE_TCCOLD			0x26
-#define     TGL_PCODE_EXIT_TCCOLD_DATA_L_EXIT_FAILED	REG_BIT(0)
-#define     TGL_PCODE_EXIT_TCCOLD_DATA_L_BLOCK_REQ	0
-#define     TGL_PCODE_EXIT_TCCOLD_DATA_L_UNBLOCK_REQ	REG_BIT(0)
-            /* See also IPS_CTL */
-#define     IPS_PCODE_CONTROL			(1 << 30)
-#define   HSW_PCODE_DYNAMIC_DUTY_CYCLE_CONTROL	0x1A
-#define   GEN9_PCODE_SAGV_CONTROL		0x21
-#define     GEN9_SAGV_DISABLE			0x0
-#define     GEN9_SAGV_IS_DISABLED		0x1
-#define     GEN9_SAGV_ENABLE			0x3
-#define   DG1_PCODE_STATUS			0x7E
-#define     DG1_UNCORE_GET_INIT_STATUS		0x0
-#define     DG1_UNCORE_INIT_STATUS_COMPLETE	0x1
-#define   PCODE_POWER_SETUP			0x7C
-#define     POWER_SETUP_SUBCOMMAND_READ_I1	0x4
-#define     POWER_SETUP_SUBCOMMAND_WRITE_I1	0x5
-#define	    POWER_SETUP_I1_WATTS		REG_BIT(31)
-#define	    POWER_SETUP_I1_SHIFT		6	/* 10.6 fixed point format */
-#define	    POWER_SETUP_I1_DATA_MASK		REG_GENMASK(15, 0)
-#define     POWER_SETUP_SUBCOMMAND_G8_ENABLE	0x6
-#define GEN12_PCODE_READ_SAGV_BLOCK_TIME_US	0x23
-#define   XEHP_PCODE_FREQUENCY_CONFIG		0x6e	/* pvc */
-/* XEHP_PCODE_FREQUENCY_CONFIG sub-commands (param1) */
-#define     PCODE_MBOX_FC_SC_READ_FUSED_P0	0x0
-#define     PCODE_MBOX_FC_SC_READ_FUSED_PN	0x1
-/* PCODE_MBOX_DOMAIN_* - mailbox domain IDs */
-/*   XEHP_PCODE_FREQUENCY_CONFIG param2 */
-#define     PCODE_MBOX_DOMAIN_NONE		0x0
-#define     PCODE_MBOX_DOMAIN_MEDIAFF		0x3
 #define GEN6_PCODE_DATA				_MMIO(0x138128)
 #define   GEN6_PCODE_FREQ_IA_RATIO_SHIFT	8
 #define   GEN6_PCODE_FREQ_RING_RATIO_SHIFT	16
@@ -1224,20 +776,9 @@
 #define   SGGI_DIS			REG_BIT(15)
 #define   SGR_DIS			REG_BIT(13)
 
-#define PRIMARY_SPI_TRIGGER			_MMIO(0x102040)
-#define PRIMARY_SPI_ADDRESS			_MMIO(0x102080)
-#define PRIMARY_SPI_REGIONID			_MMIO(0x102084)
-#define SPI_STATIC_REGIONS			_MMIO(0x102090)
-#define   OPTIONROM_SPI_REGIONID_MASK		REG_GENMASK(7, 0)
-#define OROM_OFFSET				_MMIO(0x1020c0)
-#define   OROM_OFFSET_MASK			REG_GENMASK(20, 16)
-
-#define MTL_MEM_SS_INFO_GLOBAL			_MMIO(0x45700)
-#define   XE3P_ECC_IMPACTING_DE			REG_BIT(12)
-#define   MTL_N_OF_ENABLED_QGV_POINTS_MASK	REG_GENMASK(11, 8)
-#define   MTL_N_OF_POPULATED_CH_MASK		REG_GENMASK(7, 4)
-#define   MTL_DDR_TYPE_MASK			REG_GENMASK(3, 0)
-
 #define MTL_MEDIA_GSI_BASE		0x380000
 
+#define DSPCLK_GATE_D			_MMIO(0x6200)
+# define OVRUNIT_CLOCK_GATE_DISABLE		(1 << 3)
+
 #endif /* _I915_REG_H_ */
diff --git a/drivers/gpu/drm/i915/i915_reg_defs.h b/drivers/gpu/drm/i915/i915_reg_defs.h
index e81fac8ab51b..e897d3ccbf9e 100644
--- a/drivers/gpu/drm/i915/i915_reg_defs.h
+++ b/drivers/gpu/drm/i915/i915_reg_defs.h
@@ -6,183 +6,8 @@
 #ifndef __I915_REG_DEFS__
 #define __I915_REG_DEFS__
 
-#include <linux/bitfield.h>
-#include <linux/bits.h>
-
-/*
- * Wrappers over the generic fixed width BIT_U*() and GENMASK_U*()
- * implementations, for compatibility reasons with previous implementation.
- */
-#define REG_GENMASK(high, low)		GENMASK_U32(high, low)
-#define REG_GENMASK64(high, low)	GENMASK_U64(high, low)
-#define REG_GENMASK16(high, low)	GENMASK_U16(high, low)
-#define REG_GENMASK8(high, low)		GENMASK_U8(high, low)
-
-#define REG_BIT(n)			BIT_U32(n)
-#define REG_BIT64(n)			BIT_U64(n)
-#define REG_BIT16(n)			BIT_U16(n)
-#define REG_BIT8(n)			BIT_U8(n)
-
-/*
- * Local integer constant expression version of is_power_of_2().
- */
-#define IS_POWER_OF_2(__x)		((__x) && (((__x) & ((__x) - 1)) == 0))
-
-/**
- * REG_FIELD_PREP() - Prepare a u32 bitfield value
- * @__mask: shifted mask defining the field's length and position
- * @__val: value to put in the field
- *
- * Local copy of FIELD_PREP() to generate an integer constant expression, force
- * u32 and for consistency with REG_FIELD_GET(), REG_BIT() and REG_GENMASK().
- *
- * @return: @__val masked and shifted into the field defined by @__mask.
- */
-#define REG_FIELD_PREP(__mask, __val)						\
-	((u32)((((typeof(__mask))(__val) << __bf_shf(__mask)) & (__mask)) +	\
-	       BUILD_BUG_ON_ZERO(!__is_constexpr(__mask)) +		\
-	       BUILD_BUG_ON_ZERO((__mask) == 0 || (__mask) > U32_MAX) +		\
-	       BUILD_BUG_ON_ZERO(!IS_POWER_OF_2((__mask) + (1ULL << __bf_shf(__mask)))) + \
-	       BUILD_BUG_ON_ZERO(__builtin_choose_expr(__is_constexpr(__val), (~((__mask) >> __bf_shf(__mask)) & (__val)), 0))))
-
-/**
- * REG_FIELD_PREP8() - Prepare a u8 bitfield value
- * @__mask: shifted mask defining the field's length and position
- * @__val: value to put in the field
- *
- * Local copy of FIELD_PREP() to generate an integer constant expression, force
- * u8 and for consistency with REG_FIELD_GET8(), REG_BIT8() and REG_GENMASK8().
- *
- * @return: @__val masked and shifted into the field defined by @__mask.
- */
-#define REG_FIELD_PREP8(__mask, __val)                                          \
-	((u8)((((typeof(__mask))(__val) << __bf_shf(__mask)) & (__mask)) +      \
-	       BUILD_BUG_ON_ZERO(!__is_constexpr(__mask)) +             \
-	       BUILD_BUG_ON_ZERO((__mask) == 0 || (__mask) > U8_MAX) +          \
-	       BUILD_BUG_ON_ZERO(!IS_POWER_OF_2((__mask) + (1ULL << __bf_shf(__mask)))) + \
-	       BUILD_BUG_ON_ZERO(__builtin_choose_expr(__is_constexpr(__val), (~((__mask) >> __bf_shf(__mask)) & (__val)), 0))))
-
-/**
- * REG_FIELD_GET() - Extract a u32 bitfield value
- * @__mask: shifted mask defining the field's length and position
- * @__val: value to extract the bitfield value from
- *
- * Local wrapper for FIELD_GET() to force u32 and for consistency with
- * REG_FIELD_PREP(), REG_BIT() and REG_GENMASK().
- *
- * @return: Masked and shifted value of the field defined by @__mask in @__val.
- */
-#define REG_FIELD_GET(__mask, __val)	((u32)FIELD_GET(__mask, __val))
-
-/**
- * REG_FIELD_GET64() - Extract a u64 bitfield value
- * @__mask: shifted mask defining the field's length and position
- * @__val: value to extract the bitfield value from
- *
- * Local wrapper for FIELD_GET() to force u64 and for consistency with
- * REG_GENMASK64().
- *
- * @return: Masked and shifted value of the field defined by @__mask in @__val.
- */
-#define REG_FIELD_GET64(__mask, __val)	((u64)FIELD_GET(__mask, __val))
-
-
-/**
- * REG_FIELD_PREP16() - Prepare a u16 bitfield value
- * @__mask: shifted mask defining the field's length and position
- * @__val: value to put in the field
- *
- * Local copy of FIELD_PREP16() to generate an integer constant
- * expression, force u8 and for consistency with
- * REG_FIELD_GET16(), REG_BIT16() and REG_GENMASK16().
- *
- * @return: @__val masked and shifted into the field defined by @__mask.
- */
-#define REG_FIELD_PREP16(__mask, __val)                                          \
-	((u16)((((typeof(__mask))(__val) << __bf_shf(__mask)) & (__mask)) +      \
-	       BUILD_BUG_ON_ZERO(!__is_constexpr(__mask)) +             \
-	       BUILD_BUG_ON_ZERO((__mask) == 0 || (__mask) > U16_MAX) +          \
-	       BUILD_BUG_ON_ZERO(!IS_POWER_OF_2((__mask) + (1ULL << __bf_shf(__mask)))) + \
-	       BUILD_BUG_ON_ZERO(__builtin_choose_expr(__is_constexpr(__val), (~((__mask) >> __bf_shf(__mask)) & (__val)), 0))))
-
-#define __MASKED_FIELD(mask, value) ((mask) << 16 | (value))
-#define _MASKED_FIELD(mask, value) ({					   \
-	if (__builtin_constant_p(mask))					   \
-		BUILD_BUG_ON_MSG(((mask) & 0xffff0000), "Incorrect mask"); \
-	if (__builtin_constant_p(value))				   \
-		BUILD_BUG_ON_MSG((value) & 0xffff0000, "Incorrect value"); \
-	if (__builtin_constant_p(mask) && __builtin_constant_p(value))	   \
-		BUILD_BUG_ON_MSG((value) & ~(mask),			   \
-				 "Incorrect value for mask");		   \
-	__MASKED_FIELD(mask, value); })
-#define _MASKED_BIT_ENABLE(a)	({ typeof(a) _a = (a); _MASKED_FIELD(_a, _a); })
-#define _MASKED_BIT_DISABLE(a)	(_MASKED_FIELD((a), 0))
-
-/*
- * Given the first two numbers __a and __b of arbitrarily many evenly spaced
- * numbers, pick the 0-based __index'th value.
- *
- * Always prefer this over _PICK() if the numbers are evenly spaced.
- */
-#define _PICK_EVEN(__index, __a, __b) ((__a) + (__index) * ((__b) - (__a)))
-
-/*
- * Like _PICK_EVEN(), but supports 2 ranges of evenly spaced address offsets.
- * @__c_index corresponds to the index in which the second range starts to be
- * used. Using math interval notation, the first range is used for indexes [ 0,
- * @__c_index), while the second range is used for [ @__c_index, ... ). Example:
- *
- * #define _FOO_A			0xf000
- * #define _FOO_B			0xf004
- * #define _FOO_C			0xf008
- * #define _SUPER_FOO_A			0xa000
- * #define _SUPER_FOO_B			0xa100
- * #define FOO(x)			_MMIO(_PICK_EVEN_2RANGES(x, 3,		\
- *					      _FOO_A, _FOO_B,			\
- *					      _SUPER_FOO_A, _SUPER_FOO_B))
- *
- * This expands to:
- *	0: 0xf000,
- *	1: 0xf004,
- *	2: 0xf008,
- *	3: 0xa000,
- *	4: 0xa100,
- *	5: 0xa200,
- *	...
- */
-#define _PICK_EVEN_2RANGES(__index, __c_index, __a, __b, __c, __d)		\
-	(BUILD_BUG_ON_ZERO(!__is_constexpr(__c_index)) +			\
-	 ((__index) < (__c_index) ? _PICK_EVEN(__index, __a, __b) :		\
-				   _PICK_EVEN((__index) - (__c_index), __c, __d)))
-
-/*
- * Given the arbitrary numbers in varargs, pick the 0-based __index'th number.
- *
- * Always prefer _PICK_EVEN() over this if the numbers are evenly spaced.
- */
-#define _PICK(__index, ...) (((const u32 []){ __VA_ARGS__ })[__index])
-
-/**
- * REG_FIELD_GET8() - Extract a u8 bitfield value
- * @__mask: shifted mask defining the field's length and position
- * @__val: value to extract the bitfield value from
- *
- * Local wrapper for FIELD_GET() to force u8 and for consistency with
- * REG_FIELD_PREP(), REG_BIT() and REG_GENMASK().
- *
- * @return: Masked and shifted value of the field defined by @__mask in @__val.
- */
-#define REG_FIELD_GET8(__mask, __val)   ((u8)FIELD_GET(__mask, __val))
-
-/**
- * REG_FIELD_MAX() - produce the maximum value representable by a field
- * @__mask: shifted mask defining the field's length and position
- *
- * Local wrapper for FIELD_MAX() to return the maximum bit value that can
- * be held in the field specified by @_mask, cast to u32 for consistency
- * with other macros.
- */
-#define REG_FIELD_MAX(__mask)	((u32)FIELD_MAX(__mask))
+#include <drm/intel/pick.h>
+#include <drm/intel/reg_bits.h>
 
 typedef struct {
 	u32 reg;
diff --git a/drivers/gpu/drm/i915/i915_sw_fence_work.c b/drivers/gpu/drm/i915/i915_sw_fence_work.c
index d2e56b387993..366418108f78 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence_work.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence_work.c
@@ -38,7 +38,7 @@ fence_notify(struct i915_sw_fence *fence, enum i915_sw_fence_notify state)
 			if (test_bit(DMA_FENCE_WORK_IMM, &f->dma.flags))
 				fence_work(&f->work);
 			else
-				queue_work(system_unbound_wq, &f->work);
+				queue_work(system_dfl_wq, &f->work);
 		} else {
 			fence_complete(f);
 		}
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index afc192d9931b..6a3a4d4244dc 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -27,6 +27,7 @@
 
 #include <drm/drm_gem.h>
 #include <drm/drm_print.h>
+#include <drm/intel/display_parent_interface.h>
 
 #include "display/intel_fb.h"
 #include "display/intel_frontbuffer.h"
@@ -2332,3 +2333,12 @@ int __init i915_vma_module_init(void)
 
 	return 0;
 }
+
+static int i915_vma_fence_id(const struct i915_vma *vma)
+{
+	return vma->fence ? vma->fence->id : -1;
+}
+
+const struct intel_display_vma_interface i915_display_vma_interface = {
+	.fence_id = i915_vma_fence_id,
+};
diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h
index 8054047840aa..fa2d9b429db6 100644
--- a/drivers/gpu/drm/i915/i915_vma.h
+++ b/drivers/gpu/drm/i915/i915_vma.h
@@ -404,11 +404,6 @@ i915_vma_unpin_fence(struct i915_vma *vma)
 		__i915_vma_unpin_fence(vma);
 }
 
-static inline int i915_vma_fence_id(const struct i915_vma *vma)
-{
-	return vma->fence ? vma->fence->id : -1;
-}
-
 void i915_vma_parked(struct intel_gt *gt);
 
 static inline bool i915_vma_is_scanout(const struct i915_vma *vma)
@@ -481,4 +476,6 @@ int i915_vma_module_init(void);
 I915_SELFTEST_DECLARE(int i915_vma_get_pages(struct i915_vma *vma));
 I915_SELFTEST_DECLARE(void i915_vma_put_pages(struct i915_vma *vma));
 
+extern const struct intel_display_vma_interface i915_display_vma_interface;
+
 #endif
diff --git a/drivers/gpu/drm/i915/i915_vma_resource.c b/drivers/gpu/drm/i915/i915_vma_resource.c
index 53d619ef0c3d..a8f2112ce81f 100644
--- a/drivers/gpu/drm/i915/i915_vma_resource.c
+++ b/drivers/gpu/drm/i915/i915_vma_resource.c
@@ -202,7 +202,7 @@ i915_vma_resource_fence_notify(struct i915_sw_fence *fence,
 			i915_vma_resource_unbind_work(&vma_res->work);
 		} else {
 			INIT_WORK(&vma_res->work, i915_vma_resource_unbind_work);
-			queue_work(system_unbound_wq, &vma_res->work);
+			queue_work(system_dfl_wq, &vma_res->work);
 		}
 		break;
 	case FENCE_FREE:
diff --git a/drivers/gpu/drm/i915/intel_clock_gating.c b/drivers/gpu/drm/i915/intel_clock_gating.c
index 7336934bb934..68a6f94f2a37 100644
--- a/drivers/gpu/drm/i915/intel_clock_gating.c
+++ b/drivers/gpu/drm/i915/intel_clock_gating.c
@@ -26,11 +26,13 @@
  */
 
 #include <drm/drm_print.h>
+#include <drm/intel/intel_gmd_misc_regs.h>
+#include <drm/intel/intel_gmd_interrupt_regs.h>
 
 #include "display/i9xx_plane_regs.h"
 #include "display/intel_display.h"
 #include "display/intel_display_core.h"
-
+#include "display/intel_display_regs.h"
 #include "gt/intel_engine_regs.h"
 #include "gt/intel_gt.h"
 #include "gt/intel_gt_mcr.h"
@@ -452,7 +454,7 @@ static void bdw_init_clock_gating(struct drm_i915_private *i915)
 			 GEN8_FF_DS_REF_CNT_FFME | GEN7_FF_VS_REF_CNT_FFME, 0);
 
 	intel_uncore_write(&i915->uncore, RING_PSMI_CTL(RENDER_RING_BASE),
-			   _MASKED_BIT_ENABLE(GEN8_RC_SEMA_IDLE_MSG_DISABLE));
+			   REG_MASKED_FIELD_ENABLE(GEN8_RC_SEMA_IDLE_MSG_DISABLE));
 
 	/* WaDisableSDEUnitClockGating:bdw */
 	intel_uncore_rmw(&i915->uncore, GEN8_UCGCTL6, 0, GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
@@ -517,13 +519,13 @@ static void ivb_init_clock_gating(struct drm_i915_private *i915)
 
 	if (INTEL_INFO(i915)->gt == 1)
 		intel_uncore_write(&i915->uncore, GEN7_ROW_CHICKEN2,
-				   _MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE));
+				   REG_MASKED_FIELD_ENABLE(DOP_CLOCK_GATING_DISABLE));
 	else {
 		/* must write both registers */
 		intel_uncore_write(&i915->uncore, GEN7_ROW_CHICKEN2,
-				   _MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE));
+				   REG_MASKED_FIELD_ENABLE(DOP_CLOCK_GATING_DISABLE));
 		intel_uncore_write(&i915->uncore, GEN7_ROW_CHICKEN2_GT2,
-				   _MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE));
+				   REG_MASKED_FIELD_ENABLE(DOP_CLOCK_GATING_DISABLE));
 	}
 
 	/*
@@ -557,7 +559,7 @@ static void vlv_init_clock_gating(struct drm_i915_private *i915)
 
 	/* WaDisableDopClockGating:vlv */
 	intel_uncore_write(&i915->uncore, GEN7_ROW_CHICKEN2,
-			   _MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE));
+			   REG_MASKED_FIELD_ENABLE(DOP_CLOCK_GATING_DISABLE));
 
 	/* This is required by WaCatErrorRejectionIssue:vlv */
 	intel_uncore_rmw(&i915->uncore, GEN7_SQ_CHICKEN_MBCUNIT_CONFIG,
@@ -592,7 +594,7 @@ static void chv_init_clock_gating(struct drm_i915_private *i915)
 
 	/* WaDisableSemaphoreAndSyncFlipWait:chv */
 	intel_uncore_write(&i915->uncore, RING_PSMI_CTL(RENDER_RING_BASE),
-			   _MASKED_BIT_ENABLE(GEN8_RC_SEMA_IDLE_MSG_DISABLE));
+			   REG_MASKED_FIELD_ENABLE(GEN8_RC_SEMA_IDLE_MSG_DISABLE));
 
 	/* WaDisableCSUnitClockGating:chv */
 	intel_uncore_rmw(&i915->uncore, GEN6_UCGCTL1, 0, GEN6_CSUNIT_CLOCK_GATE_DISABLE);
@@ -638,7 +640,7 @@ static void i965gm_init_clock_gating(struct drm_i915_private *i915)
 	intel_uncore_write16(uncore, DEUC, 0);
 	intel_uncore_write(uncore,
 			   MI_ARB_STATE,
-			   _MASKED_BIT_ENABLE(MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE));
+			   REG_MASKED_FIELD_ENABLE(MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE));
 }
 
 static void i965g_init_clock_gating(struct drm_i915_private *i915)
@@ -650,7 +652,7 @@ static void i965g_init_clock_gating(struct drm_i915_private *i915)
 			   I965_FBC_CLOCK_GATE_DISABLE);
 	intel_uncore_write(&i915->uncore, RENCLK_GATE_D2, 0);
 	intel_uncore_write(&i915->uncore, MI_ARB_STATE,
-			   _MASKED_BIT_ENABLE(MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE));
+			   REG_MASKED_FIELD_ENABLE(MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE));
 }
 
 static void gen3_init_clock_gating(struct drm_i915_private *i915)
@@ -663,21 +665,21 @@ static void gen3_init_clock_gating(struct drm_i915_private *i915)
 
 	if (IS_PINEVIEW(i915))
 		intel_uncore_write(&i915->uncore, ECOSKPD(RENDER_RING_BASE),
-				   _MASKED_BIT_ENABLE(ECO_GATING_CX_ONLY));
+				   REG_MASKED_FIELD_ENABLE(ECO_GATING_CX_ONLY));
 
 	/* IIR "flip pending" means done if this bit is set */
 	intel_uncore_write(&i915->uncore, ECOSKPD(RENDER_RING_BASE),
-			   _MASKED_BIT_DISABLE(ECO_FLIP_DONE));
+			   REG_MASKED_FIELD_DISABLE(ECO_FLIP_DONE));
 
 	/* interrupts should cause a wake up from C3 */
-	intel_uncore_write(&i915->uncore, INSTPM, _MASKED_BIT_ENABLE(INSTPM_AGPBUSY_INT_EN));
+	intel_uncore_write(&i915->uncore, INSTPM, REG_MASKED_FIELD_ENABLE(INSTPM_AGPBUSY_INT_EN));
 
 	/* On GEN3 we really need to make sure the ARB C3 LP bit is set */
 	intel_uncore_write(&i915->uncore, MI_ARB_STATE,
-			   _MASKED_BIT_ENABLE(MI_ARB_C3_LP_WRITE_ENABLE));
+			   REG_MASKED_FIELD_ENABLE(MI_ARB_C3_LP_WRITE_ENABLE));
 
 	intel_uncore_write(&i915->uncore, MI_ARB_STATE,
-			   _MASKED_BIT_ENABLE(MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE));
+			   REG_MASKED_FIELD_ENABLE(MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE));
 }
 
 static void i85x_init_clock_gating(struct drm_i915_private *i915)
@@ -685,11 +687,11 @@ static void i85x_init_clock_gating(struct drm_i915_private *i915)
 	intel_uncore_write(&i915->uncore, RENCLK_GATE_D1, SV_CLOCK_GATE_DISABLE);
 
 	/* interrupts should cause a wake up from C3 */
-	intel_uncore_write(&i915->uncore, MI_STATE, _MASKED_BIT_ENABLE(MI_AGPBUSY_INT_EN) |
-			   _MASKED_BIT_DISABLE(MI_AGPBUSY_830_MODE));
+	intel_uncore_write(&i915->uncore, MI_STATE, REG_MASKED_FIELD_ENABLE(MI_AGPBUSY_INT_EN) |
+			   REG_MASKED_FIELD_DISABLE(MI_AGPBUSY_830_MODE));
 
 	intel_uncore_write(&i915->uncore, MEM_MODE,
-			   _MASKED_BIT_ENABLE(MEM_DISPLAY_TRICKLE_FEED_DISABLE));
+			   REG_MASKED_FIELD_ENABLE(MEM_DISPLAY_TRICKLE_FEED_DISABLE));
 
 	/*
 	 * Have FBC ignore 3D activity since we use software
@@ -699,14 +701,14 @@ static void i85x_init_clock_gating(struct drm_i915_private *i915)
 	 * until a 2D blit occurs.
 	 */
 	intel_uncore_write(&i915->uncore, SCPD0,
-			   _MASKED_BIT_ENABLE(SCPD_FBC_IGNORE_3D));
+			   REG_MASKED_FIELD_ENABLE(SCPD_FBC_IGNORE_3D));
 }
 
 static void i830_init_clock_gating(struct drm_i915_private *i915)
 {
 	intel_uncore_write(&i915->uncore, MEM_MODE,
-			   _MASKED_BIT_ENABLE(MEM_DISPLAY_A_TRICKLE_FEED_DISABLE) |
-			   _MASKED_BIT_ENABLE(MEM_DISPLAY_B_TRICKLE_FEED_DISABLE));
+			   REG_MASKED_FIELD_ENABLE(MEM_DISPLAY_A_TRICKLE_FEED_DISABLE) |
+			   REG_MASKED_FIELD_ENABLE(MEM_DISPLAY_B_TRICKLE_FEED_DISABLE));
 }
 
 void intel_clock_gating_init(struct drm_device *drm)
diff --git a/drivers/gpu/drm/i915/intel_gvt_mmio_table.c b/drivers/gpu/drm/i915/intel_gvt_mmio_table.c
index 478d00f89a4b..ae42818ab6e0 100644
--- a/drivers/gpu/drm/i915/intel_gvt_mmio_table.c
+++ b/drivers/gpu/drm/i915/intel_gvt_mmio_table.c
@@ -3,6 +3,11 @@
  * Copyright © 2020 Intel Corporation
  */
 
+#include <drm/intel/intel_pcode_regs.h>
+#include <drm/intel/intel_gmd_misc_regs.h>
+
+#include <drm/intel/intel_gmd_interrupt_regs.h>
+
 #include "display/bxt_dpio_phy_regs.h"
 #include "display/i9xx_plane_regs.h"
 #include "display/i9xx_wm_regs.h"
@@ -11,12 +16,12 @@
 #include "display/intel_color_regs.h"
 #include "display/intel_crt_regs.h"
 #include "display/intel_cursor_regs.h"
-#include "display/intel_display_core.h"
+#include "display/intel_display_limits.h"
 #include "display/intel_display_regs.h"
-#include "display/intel_display_types.h"
 #include "display/intel_dmc_regs.h"
 #include "display/intel_dp_aux_regs.h"
 #include "display/intel_dpio_phy.h"
+#include "display/intel_fbc.h"
 #include "display/intel_fbc_regs.h"
 #include "display/intel_fdi_regs.h"
 #include "display/intel_lvds_regs.h"
@@ -32,6 +37,7 @@
 #include "gt/intel_engine_regs.h"
 #include "gt/intel_gt_regs.h"
 
+#include "gvt/display_helpers.h"
 #include "gvt/reg.h"
 
 #include "i915_drv.h"
diff --git a/drivers/gpu/drm/i915/intel_pcode.c b/drivers/gpu/drm/i915/intel_pcode.c
index 756652b8ec97..c07d48fc1b35 100644
--- a/drivers/gpu/drm/i915/intel_pcode.c
+++ b/drivers/gpu/drm/i915/intel_pcode.c
@@ -4,6 +4,8 @@
  */
 
 #include <drm/drm_print.h>
+#include <drm/intel/display_parent_interface.h>
+#include <drm/intel/intel_pcode_regs.h>
 
 #include "i915_drv.h"
 #include "i915_reg.h"
@@ -276,26 +278,31 @@ int snb_pcode_write_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u3
 	return err;
 }
 
-/* Helpers with drm device */
-int intel_pcode_read(struct drm_device *drm, u32 mbox, u32 *val, u32 *val1)
+static int intel_pcode_read(struct drm_device *drm, u32 mbox, u32 *val, u32 *val1)
 {
 	struct drm_i915_private *i915 = to_i915(drm);
 
 	return snb_pcode_read(&i915->uncore, mbox, val, val1);
 }
 
-int intel_pcode_write_timeout(struct drm_device *drm, u32 mbox, u32 val, int timeout_ms)
+static int intel_pcode_write_timeout(struct drm_device *drm, u32 mbox, u32 val, int timeout_ms)
 {
 	struct drm_i915_private *i915 = to_i915(drm);
 
 	return snb_pcode_write_timeout(&i915->uncore, mbox, val, timeout_ms);
 }
 
-int intel_pcode_request(struct drm_device *drm, u32 mbox, u32 request,
-			u32 reply_mask, u32 reply, int timeout_base_ms)
+static int intel_pcode_request(struct drm_device *drm, u32 mbox, u32 request,
+			       u32 reply_mask, u32 reply, int timeout_base_ms)
 {
 	struct drm_i915_private *i915 = to_i915(drm);
 
 	return skl_pcode_request(&i915->uncore, mbox, request, reply_mask, reply,
 				 timeout_base_ms);
 }
+
+const struct intel_display_pcode_interface i915_display_pcode_interface = {
+	.read = intel_pcode_read,
+	.write = intel_pcode_write_timeout,
+	.request = intel_pcode_request,
+};
diff --git a/drivers/gpu/drm/i915/intel_pcode.h b/drivers/gpu/drm/i915/intel_pcode.h
index c91a821a88d4..19795ea8172e 100644
--- a/drivers/gpu/drm/i915/intel_pcode.h
+++ b/drivers/gpu/drm/i915/intel_pcode.h
@@ -27,13 +27,6 @@ int intel_pcode_init(struct intel_uncore *uncore);
 int snb_pcode_read_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 *val);
 int snb_pcode_write_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 val);
 
-/* Helpers with drm device */
-int intel_pcode_read(struct drm_device *drm, u32 mbox, u32 *val, u32 *val1);
-int intel_pcode_write_timeout(struct drm_device *drm, u32 mbox, u32 val, int timeout_ms);
-#define intel_pcode_write(drm, mbox, val) \
-	intel_pcode_write_timeout((drm), (mbox), (val), 1)
-
-int intel_pcode_request(struct drm_device *drm, u32 mbox, u32 request,
-			u32 reply_mask, u32 reply, int timeout_base_ms);
+extern const struct intel_display_pcode_interface i915_display_pcode_interface;
 
 #endif /* _INTEL_PCODE_H */
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index bccedd59a114..5b698d4d7a7f 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -132,8 +132,8 @@ intel_uncore_forcewake_domain_to_str(const enum forcewake_domain_id id)
 }
 
 #define fw_ack(d) readl((d)->reg_ack)
-#define fw_set(d, val) writel(_MASKED_BIT_ENABLE((val)), (d)->reg_set)
-#define fw_clear(d, val) writel(_MASKED_BIT_DISABLE((val)), (d)->reg_set)
+#define fw_set(d, val) writel(REG_MASKED_FIELD_ENABLE((val)), (d)->reg_set)
+#define fw_clear(d, val) writel(REG_MASKED_FIELD_DISABLE((val)), (d)->reg_set)
 
 static inline void
 fw_domain_reset(const struct intel_uncore_forcewake_domain *d)
diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.c b/drivers/gpu/drm/i915/pxp/intel_pxp.c
index f7ed4e18a3ab..3d7f045f662d 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp.c
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c
@@ -66,8 +66,8 @@ bool intel_pxp_is_active(const struct intel_pxp *pxp)
 
 static void kcr_pxp_set_status(const struct intel_pxp *pxp, bool enable)
 {
-	u32 val = enable ? _MASKED_BIT_ENABLE(KCR_INIT_ALLOW_DISPLAY_ME_WRITES) :
-		  _MASKED_BIT_DISABLE(KCR_INIT_ALLOW_DISPLAY_ME_WRITES);
+	u32 val = enable ? REG_MASKED_FIELD_ENABLE(KCR_INIT_ALLOW_DISPLAY_ME_WRITES) :
+		  REG_MASKED_FIELD_DISABLE(KCR_INIT_ALLOW_DISPLAY_ME_WRITES);
 
 	intel_uncore_write(pxp->ctrl_gt->uncore, KCR_INIT(pxp->kcr_base), val);
 }
@@ -278,7 +278,7 @@ static void pxp_queue_termination(struct intel_pxp *pxp)
 	spin_lock_irq(gt->irq_lock);
 	intel_pxp_mark_termination_in_progress(pxp);
 	pxp->session_events |= PXP_TERMINATION_REQUEST;
-	queue_work(system_unbound_wq, &pxp->session_work);
+	queue_work(system_dfl_wq, &pxp->session_work);
 	spin_unlock_irq(gt->irq_lock);
 }
 
diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c b/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c
index d81750b9bdda..735325e828bc 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c
@@ -48,7 +48,7 @@ void intel_pxp_irq_handler(struct intel_pxp *pxp, u16 iir)
 		pxp->session_events |= PXP_TERMINATION_COMPLETE | PXP_EVENT_TYPE_IRQ;
 
 	if (pxp->session_events)
-		queue_work(system_unbound_wq, &pxp->session_work);
+		queue_work(system_dfl_wq, &pxp->session_work);
 }
 
 static inline void __pxp_set_interrupts(struct intel_gt *gt, u32 interrupts)
diff --git a/drivers/gpu/drm/i915/selftests/i915_sw_fence.c b/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
index 6c376338bb37..6a305322e30d 100644
--- a/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
@@ -526,7 +526,7 @@ static int test_ipc(void *arg)
 	struct workqueue_struct *wq;
 	int ret = 0;
 
-	wq = alloc_workqueue("i1915-selftest", 0, 0);
+	wq = alloc_workqueue("i1915-selftest", WQ_PERCPU, 0);
 	if (wq == NULL)
 		return -ENOMEM;
 
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 210b9f8f7b61..27dc0e40a8d7 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -223,7 +223,7 @@ struct drm_i915_private *mock_gem_device(void)
 	if (!i915->wq)
 		goto err_drv;
 
-	i915->unordered_wq = alloc_workqueue("mock-unordered", 0, 0);
+	i915->unordered_wq = alloc_workqueue("mock-unordered", WQ_PERCPU, 0);
 	if (!i915->unordered_wq)
 		goto err_wq;
 
diff --git a/drivers/gpu/drm/i915/vlv_suspend.c b/drivers/gpu/drm/i915/vlv_suspend.c
index dac4b9bac743..3612b03cabd1 100644
--- a/drivers/gpu/drm/i915/vlv_suspend.c
+++ b/drivers/gpu/drm/i915/vlv_suspend.c
@@ -7,6 +7,7 @@
 #include <linux/kernel.h>
 
 #include <drm/drm_print.h>
+#include <drm/intel/intel_gmd_interrupt_regs.h>
 
 #include "gt/intel_gt_regs.h"
 
diff --git a/drivers/gpu/drm/xe/Makefile b/drivers/gpu/drm/xe/Makefile
index 3a3f9f22d42a..dab979287a96 100644
--- a/drivers/gpu/drm/xe/Makefile
+++ b/drivers/gpu/drm/xe/Makefile
@@ -211,14 +211,15 @@ $(obj)/i915-display/%.o: $(srctree)/drivers/gpu/drm/i915/display/%.c FORCE
 
 # Display code specific to xe
 xe-$(CONFIG_DRM_XE_DISPLAY) += \
-	display/intel_bo.o \
-	display/intel_fb_bo.o \
 	display/intel_fbdev_fb.o \
 	display/xe_display.o \
+	display/xe_display_bo.o \
+	display/xe_display_pcode.o \
 	display/xe_display_rpm.o \
 	display/xe_display_wa.o \
 	display/xe_dsb_buffer.o \
 	display/xe_fb_pin.o \
+	display/xe_frontbuffer.o \
 	display/xe_hdcp_gsc.o \
 	display/xe_initial_plane.o \
 	display/xe_panic.o \
@@ -233,6 +234,7 @@ xe-$(CONFIG_DRM_XE_DISPLAY) += \
 	i915-display/intel_audio.o \
 	i915-display/intel_backlight.o \
 	i915-display/intel_bios.o \
+	i915-display/intel_bo.o \
 	i915-display/intel_bw.o \
 	i915-display/intel_casf.o \
 	i915-display/intel_cdclk.o \
@@ -275,7 +277,7 @@ xe-$(CONFIG_DRM_XE_DISPLAY) += \
 	i915-display/intel_dp_test.o \
 	i915-display/intel_dpll.o \
 	i915-display/intel_dpll_mgr.o \
-	i915-display/intel_dpt_common.o \
+	i915-display/intel_dpt.o \
 	i915-display/intel_dram.o \
 	i915-display/intel_drrs.o \
 	i915-display/intel_dsb.o \
@@ -304,6 +306,7 @@ xe-$(CONFIG_DRM_XE_DISPLAY) += \
 	i915-display/intel_modeset_lock.o \
 	i915-display/intel_modeset_setup.o \
 	i915-display/intel_modeset_verify.o \
+	i915-display/intel_overlay.o \
 	i915-display/intel_panel.o \
 	i915-display/intel_parent.o \
 	i915-display/intel_pch.o \
diff --git a/drivers/gpu/drm/xe/compat-i915-headers/i915_reg.h b/drivers/gpu/drm/xe/compat-i915-headers/i915_reg.h
deleted file mode 100644
index 8619ec015ad4..000000000000
--- a/drivers/gpu/drm/xe/compat-i915-headers/i915_reg.h
+++ /dev/null
@@ -1,6 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2023 Intel Corporation
- */
-
-#include "../../i915/i915_reg.h"
diff --git a/drivers/gpu/drm/xe/compat-i915-headers/i915_vma.h b/drivers/gpu/drm/xe/compat-i915-headers/i915_vma.h
deleted file mode 100644
index c4b5adaaa99a..000000000000
--- a/drivers/gpu/drm/xe/compat-i915-headers/i915_vma.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2023 Intel Corporation
- */
-
-#ifndef I915_VMA_H
-#define I915_VMA_H
-
-#include <uapi/drm/i915_drm.h>
-
-#include "xe_ggtt.h"
-
-#include <linux/refcount.h>
-
-/* We don't want these from i915_drm.h in case of Xe */
-#undef I915_TILING_X
-#undef I915_TILING_Y
-#define I915_TILING_X 0
-#define I915_TILING_Y 0
-
-struct xe_bo;
-
-struct i915_vma {
-	refcount_t ref;
-	struct xe_bo *bo, *dpt;
-	struct xe_ggtt_node *node;
-};
-
-#define i915_vma_fence_id(vma) -1
-
-static inline u32 i915_ggtt_offset(const struct i915_vma *vma)
-{
-	return xe_ggtt_node_addr(vma->node);
-}
-
-#endif
diff --git a/drivers/gpu/drm/xe/compat-i915-headers/intel_pcode.h b/drivers/gpu/drm/xe/compat-i915-headers/intel_pcode.h
deleted file mode 100644
index 4fcd3bf6b76f..000000000000
--- a/drivers/gpu/drm/xe/compat-i915-headers/intel_pcode.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2023 Intel Corporation
- */
-
-#ifndef __INTEL_PCODE_H__
-#define __INTEL_PCODE_H__
-
-#include "xe_pcode.h"
-
-#endif /* __INTEL_PCODE_H__ */
diff --git a/drivers/gpu/drm/xe/compat-i915-headers/intel_uncore.h b/drivers/gpu/drm/xe/compat-i915-headers/intel_uncore.h
index c05d4c4292d3..a8cfd65119e0 100644
--- a/drivers/gpu/drm/xe/compat-i915-headers/intel_uncore.h
+++ b/drivers/gpu/drm/xe/compat-i915-headers/intel_uncore.h
@@ -6,6 +6,7 @@
 #ifndef __INTEL_UNCORE_H__
 #define __INTEL_UNCORE_H__
 
+#include "i915_reg_defs.h"
 #include "xe_device.h"
 #include "xe_device_types.h"
 #include "xe_mmio.h"
@@ -38,6 +39,14 @@ static inline u8 intel_uncore_read8(struct intel_uncore *uncore,
 	return xe_mmio_read8(__compat_uncore_to_mmio(uncore), reg);
 }
 
+static inline void intel_uncore_write8(struct intel_uncore *uncore,
+				       i915_reg_t i915_reg, u8 val)
+{
+	struct xe_reg reg = XE_REG(i915_mmio_reg_offset(i915_reg));
+
+	xe_mmio_write8(__compat_uncore_to_mmio(uncore), reg, val);
+}
+
 static inline u16 intel_uncore_read16(struct intel_uncore *uncore,
 				      i915_reg_t i915_reg)
 {
diff --git a/drivers/gpu/drm/xe/display/intel_bo.c b/drivers/gpu/drm/xe/display/intel_bo.c
deleted file mode 100644
index 05d5e5c0a0de..000000000000
--- a/drivers/gpu/drm/xe/display/intel_bo.c
+++ /dev/null
@@ -1,109 +0,0 @@
-// SPDX-License-Identifier: MIT
-/* Copyright © 2024 Intel Corporation */
-
-#include <drm/drm_gem.h>
-
-#include "intel_bo.h"
-#include "intel_frontbuffer.h"
-#include "xe_bo.h"
-#include "xe_pxp.h"
-
-bool intel_bo_is_tiled(struct drm_gem_object *obj)
-{
-	/* legacy tiling is unused */
-	return false;
-}
-
-bool intel_bo_is_userptr(struct drm_gem_object *obj)
-{
-	/* xe does not have userptr bos */
-	return false;
-}
-
-bool intel_bo_is_shmem(struct drm_gem_object *obj)
-{
-	return false;
-}
-
-bool intel_bo_is_protected(struct drm_gem_object *obj)
-{
-	return xe_bo_is_protected(gem_to_xe_bo(obj));
-}
-
-int intel_bo_key_check(struct drm_gem_object *obj)
-{
-	return xe_pxp_obj_key_check(obj);
-}
-
-int intel_bo_fb_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
-{
-	return drm_gem_prime_mmap(obj, vma);
-}
-
-int intel_bo_read_from_page(struct drm_gem_object *obj, u64 offset, void *dst, int size)
-{
-	struct xe_bo *bo = gem_to_xe_bo(obj);
-
-	return xe_bo_read(bo, offset, dst, size);
-}
-
-struct xe_frontbuffer {
-	struct intel_frontbuffer base;
-	struct drm_gem_object *obj;
-	struct kref ref;
-};
-
-struct intel_frontbuffer *intel_bo_frontbuffer_get(struct drm_gem_object *obj)
-{
-	struct xe_frontbuffer *front;
-
-	front = kmalloc_obj(*front);
-	if (!front)
-		return NULL;
-
-	intel_frontbuffer_init(&front->base, obj->dev);
-
-	kref_init(&front->ref);
-
-	drm_gem_object_get(obj);
-	front->obj = obj;
-
-	return &front->base;
-}
-
-void intel_bo_frontbuffer_ref(struct intel_frontbuffer *_front)
-{
-	struct xe_frontbuffer *front =
-		container_of(_front, typeof(*front), base);
-
-	kref_get(&front->ref);
-}
-
-static void frontbuffer_release(struct kref *ref)
-{
-	struct xe_frontbuffer *front =
-		container_of(ref, typeof(*front), ref);
-
-	intel_frontbuffer_fini(&front->base);
-
-	drm_gem_object_put(front->obj);
-
-	kfree(front);
-}
-
-void intel_bo_frontbuffer_put(struct intel_frontbuffer *_front)
-{
-	struct xe_frontbuffer *front =
-		container_of(_front, typeof(*front), base);
-
-	kref_put(&front->ref, frontbuffer_release);
-}
-
-void intel_bo_frontbuffer_flush_for_display(struct intel_frontbuffer *front)
-{
-}
-
-void intel_bo_describe(struct seq_file *m, struct drm_gem_object *obj)
-{
-	/* FIXME */
-}
diff --git a/drivers/gpu/drm/xe/display/intel_fbdev_fb.c b/drivers/gpu/drm/xe/display/intel_fbdev_fb.c
index 7ad76022cb14..87af5646c938 100644
--- a/drivers/gpu/drm/xe/display/intel_fbdev_fb.c
+++ b/drivers/gpu/drm/xe/display/intel_fbdev_fb.c
@@ -23,6 +23,29 @@ u32 intel_fbdev_fb_pitch_align(u32 stride)
 	return ALIGN(stride, XE_PAGE_SIZE);
 }
 
+bool intel_fbdev_fb_prefer_stolen(struct drm_device *drm, unsigned int size)
+{
+	struct xe_device *xe = to_xe_device(drm);
+	struct ttm_resource_manager *stolen;
+
+	stolen = ttm_manager_type(&xe->ttm, XE_PL_STOLEN);
+	if (!stolen)
+		return false;
+
+	if (IS_DGFX(xe))
+		return false;
+
+	if (XE_DEVICE_WA(xe, 22019338487_display))
+		return false;
+
+	/*
+	 * If the FB is too big, just don't use it since fbdev is not very
+	 * important and we should probably use that space with FBC or other
+	 * features.
+	 */
+	return stolen->size >= size * 2;
+}
+
 struct drm_gem_object *intel_fbdev_fb_bo_create(struct drm_device *drm, int size)
 {
 	struct xe_device *xe = to_xe_device(drm);
@@ -30,7 +53,7 @@ struct drm_gem_object *intel_fbdev_fb_bo_create(struct drm_device *drm, int size
 
 	obj = ERR_PTR(-ENODEV);
 
-	if (!IS_DGFX(xe) && !XE_DEVICE_WA(xe, 22019338487_display)) {
+	if (intel_fbdev_fb_prefer_stolen(drm, size)) {
 		obj = xe_bo_create_pin_map_novm(xe, xe_device_get_root_tile(xe),
 						size,
 						ttm_bo_type_kernel, XE_BO_FLAG_SCANOUT |
@@ -40,6 +63,8 @@ struct drm_gem_object *intel_fbdev_fb_bo_create(struct drm_device *drm, int size
 			drm_info(&xe->drm, "Allocated fbdev into stolen\n");
 		else
 			drm_info(&xe->drm, "Allocated fbdev into stolen failed: %li\n", PTR_ERR(obj));
+	} else {
+		drm_info(&xe->drm, "Allocating fbdev: Stolen memory not preferred.\n");
 	}
 
 	if (IS_ERR(obj)) {
diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c
index f8a831b5dc7d..49b6f98e7391 100644
--- a/drivers/gpu/drm/xe/display/xe_display.c
+++ b/drivers/gpu/drm/xe/display/xe_display.c
@@ -35,7 +35,11 @@
 #include "intel_hotplug.h"
 #include "intel_opregion.h"
 #include "skl_watermark.h"
+#include "xe_display_bo.h"
+#include "xe_display_pcode.h"
 #include "xe_display_rpm.h"
+#include "xe_dsb_buffer.h"
+#include "xe_frontbuffer.h"
 #include "xe_hdcp_gsc.h"
 #include "xe_initial_plane.h"
 #include "xe_module.h"
@@ -538,10 +542,14 @@ static const struct intel_display_irq_interface xe_display_irq_interface = {
 };
 
 static const struct intel_display_parent_interface parent = {
+	.bo = &xe_display_bo_interface,
+	.dsb = &xe_display_dsb_interface,
+	.frontbuffer = &xe_display_frontbuffer_interface,
 	.hdcp = &xe_display_hdcp_interface,
 	.initial_plane = &xe_display_initial_plane_interface,
 	.irq = &xe_display_irq_interface,
 	.panic = &xe_display_panic_interface,
+	.pcode = &xe_display_pcode_interface,
 	.rpm = &xe_display_rpm_interface,
 	.stolen = &xe_display_stolen_interface,
 };
diff --git a/drivers/gpu/drm/xe/display/intel_fb_bo.c b/drivers/gpu/drm/xe/display/xe_display_bo.c
similarity index 57%
rename from drivers/gpu/drm/xe/display/intel_fb_bo.c
rename to drivers/gpu/drm/xe/display/xe_display_bo.c
index db8b1a27b4de..a689f71e7b14 100644
--- a/drivers/gpu/drm/xe/display/intel_fb_bo.c
+++ b/drivers/gpu/drm/xe/display/xe_display_bo.c
@@ -1,31 +1,28 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2021 Intel Corporation
- */
+// SPDX-License-Identifier: MIT
+/* Copyright © 2024 Intel Corporation */
 
-#include <drm/drm_modeset_helper.h>
-#include <drm/ttm/ttm_bo.h>
+#include <drm/drm_gem.h>
+#include <drm/intel/display_parent_interface.h>
 
-#include "intel_display_types.h"
 #include "intel_fb.h"
-#include "intel_fb_bo.h"
 #include "xe_bo.h"
+#include "xe_display_bo.h"
+#include "xe_pxp.h"
 
-void intel_fb_bo_framebuffer_fini(struct drm_gem_object *obj)
+static bool xe_display_bo_is_protected(struct drm_gem_object *obj)
+{
+	return xe_bo_is_protected(gem_to_xe_bo(obj));
+}
+
+static int xe_display_bo_read_from_page(struct drm_gem_object *obj, u64 offset, void *dst, int size)
 {
 	struct xe_bo *bo = gem_to_xe_bo(obj);
 
-	if (bo->flags & XE_BO_FLAG_PINNED) {
-		/* Unpin our kernel fb first */
-		xe_bo_lock(bo, false);
-		xe_bo_unpin(bo);
-		xe_bo_unlock(bo);
-	}
-	xe_bo_put(bo);
+	return xe_bo_read(bo, offset, dst, size);
 }
 
-int intel_fb_bo_framebuffer_init(struct drm_gem_object *obj,
-				 struct drm_mode_fb_cmd2 *mode_cmd)
+static int xe_display_bo_framebuffer_init(struct drm_gem_object *obj,
+					  struct drm_mode_fb_cmd2 *mode_cmd)
 {
 	struct xe_bo *bo = gem_to_xe_bo(obj);
 	struct xe_device *xe = to_xe_device(bo->ttm.base.dev);
@@ -67,9 +64,23 @@ int intel_fb_bo_framebuffer_init(struct drm_gem_object *obj,
 	return ret;
 }
 
-struct drm_gem_object *intel_fb_bo_lookup_valid_bo(struct drm_device *drm,
-						   struct drm_file *filp,
-						   const struct drm_mode_fb_cmd2 *mode_cmd)
+static void xe_display_bo_framebuffer_fini(struct drm_gem_object *obj)
+{
+	struct xe_bo *bo = gem_to_xe_bo(obj);
+
+	if (bo->flags & XE_BO_FLAG_PINNED) {
+		/* Unpin our kernel fb first */
+		xe_bo_lock(bo, false);
+		xe_bo_unpin(bo);
+		xe_bo_unlock(bo);
+	}
+	xe_bo_put(bo);
+}
+
+static struct drm_gem_object *
+xe_display_bo_framebuffer_lookup(struct drm_device *drm,
+				 struct drm_file *filp,
+				 const struct drm_mode_fb_cmd2 *mode_cmd)
 {
 	struct xe_device *xe = to_xe_device(drm);
 	struct xe_bo *bo;
@@ -89,3 +100,13 @@ struct drm_gem_object *intel_fb_bo_lookup_valid_bo(struct drm_device *drm,
 
 	return gem;
 }
+
+const struct intel_display_bo_interface xe_display_bo_interface = {
+	.is_protected = xe_display_bo_is_protected,
+	.key_check = xe_pxp_obj_key_check,
+	.fb_mmap = drm_gem_prime_mmap,
+	.read_from_page = xe_display_bo_read_from_page,
+	.framebuffer_init = xe_display_bo_framebuffer_init,
+	.framebuffer_fini = xe_display_bo_framebuffer_fini,
+	.framebuffer_lookup = xe_display_bo_framebuffer_lookup,
+};
diff --git a/drivers/gpu/drm/xe/display/xe_display_bo.h b/drivers/gpu/drm/xe/display/xe_display_bo.h
new file mode 100644
index 000000000000..6879c104b0b1
--- /dev/null
+++ b/drivers/gpu/drm/xe/display/xe_display_bo.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef __XE_DISPLAY_BO_H__
+#define __XE_DISPLAY_BO_H__
+
+extern const struct intel_display_bo_interface xe_display_bo_interface;
+
+#endif
diff --git a/drivers/gpu/drm/xe/display/xe_display_pcode.c b/drivers/gpu/drm/xe/display/xe_display_pcode.c
new file mode 100644
index 000000000000..f6820ef7e666
--- /dev/null
+++ b/drivers/gpu/drm/xe/display/xe_display_pcode.c
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: MIT
+/* Copyright © 2026 Intel Corporation */
+
+#include <drm/intel/display_parent_interface.h>
+
+#include "xe_device.h"
+#include "xe_pcode.h"
+
+static int xe_display_pcode_read(struct drm_device *drm, u32 mbox, u32 *val, u32 *val1)
+{
+	struct xe_device *xe = to_xe_device(drm);
+	struct xe_tile *tile = xe_device_get_root_tile(xe);
+
+	return xe_pcode_read(tile, mbox, val, val1);
+}
+
+static int xe_display_pcode_write_timeout(struct drm_device *drm, u32 mbox, u32 val, int timeout_ms)
+{
+	struct xe_device *xe = to_xe_device(drm);
+	struct xe_tile *tile = xe_device_get_root_tile(xe);
+
+	return xe_pcode_write_timeout(tile, mbox, val, timeout_ms);
+}
+
+static int xe_display_pcode_request(struct drm_device *drm, u32 mbox, u32 request,
+				    u32 reply_mask, u32 reply, int timeout_base_ms)
+{
+	struct xe_device *xe = to_xe_device(drm);
+	struct xe_tile *tile = xe_device_get_root_tile(xe);
+
+	return xe_pcode_request(tile, mbox, request, reply_mask, reply, timeout_base_ms);
+}
+
+const struct intel_display_pcode_interface xe_display_pcode_interface = {
+	.read = xe_display_pcode_read,
+	.write = xe_display_pcode_write_timeout,
+	.request = xe_display_pcode_request,
+};
diff --git a/drivers/gpu/drm/xe/display/xe_display_pcode.h b/drivers/gpu/drm/xe/display/xe_display_pcode.h
new file mode 100644
index 000000000000..58bd2fb7fb79
--- /dev/null
+++ b/drivers/gpu/drm/xe/display/xe_display_pcode.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef __XE_DISPLAY_PCODE_H__
+#define __XE_DISPLAY_PCODE_H__
+
+extern const struct intel_display_pcode_interface xe_display_pcode_interface;
+
+#endif
diff --git a/drivers/gpu/drm/xe/display/xe_display_vma.h b/drivers/gpu/drm/xe/display/xe_display_vma.h
new file mode 100644
index 000000000000..28267be61ae0
--- /dev/null
+++ b/drivers/gpu/drm/xe/display/xe_display_vma.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef _XE_DISPLAY_VMA_H_
+#define _XE_DISPLAY_VMA_H_
+
+#include <linux/refcount.h>
+
+struct xe_bo;
+struct xe_ggtt_node;
+
+struct i915_vma {
+	refcount_t ref;
+	struct xe_bo *bo, *dpt;
+	struct xe_ggtt_node *node;
+};
+
+#endif
diff --git a/drivers/gpu/drm/xe/display/xe_dsb_buffer.c b/drivers/gpu/drm/xe/display/xe_dsb_buffer.c
index 8ffc13855ef7..1c67a950c6ad 100644
--- a/drivers/gpu/drm/xe/display/xe_dsb_buffer.c
+++ b/drivers/gpu/drm/xe/display/xe_dsb_buffer.c
@@ -3,10 +3,12 @@
  * Copyright 2023, Intel Corporation.
  */
 
-#include "intel_dsb_buffer.h"
+#include <drm/intel/display_parent_interface.h>
+
 #include "xe_bo.h"
 #include "xe_device.h"
 #include "xe_device_types.h"
+#include "xe_dsb_buffer.h"
 
 struct intel_dsb_buffer {
 	u32 *cmd_buf;
@@ -14,29 +16,29 @@ struct intel_dsb_buffer {
 	size_t buf_size;
 };
 
-u32 intel_dsb_buffer_ggtt_offset(struct intel_dsb_buffer *dsb_buf)
+static u32 xe_dsb_buffer_ggtt_offset(struct intel_dsb_buffer *dsb_buf)
 {
 	return xe_bo_ggtt_addr(dsb_buf->bo);
 }
 
-void intel_dsb_buffer_write(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val)
+static void xe_dsb_buffer_write(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val)
 {
 	iosys_map_wr(&dsb_buf->bo->vmap, idx * 4, u32, val);
 }
 
-u32 intel_dsb_buffer_read(struct intel_dsb_buffer *dsb_buf, u32 idx)
+static u32 xe_dsb_buffer_read(struct intel_dsb_buffer *dsb_buf, u32 idx)
 {
 	return iosys_map_rd(&dsb_buf->bo->vmap, idx * 4, u32);
 }
 
-void intel_dsb_buffer_memset(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val, size_t size)
+static void xe_dsb_buffer_fill(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val, size_t size)
 {
 	WARN_ON(idx > (dsb_buf->buf_size - size) / sizeof(*dsb_buf->cmd_buf));
 
 	iosys_map_memset(&dsb_buf->bo->vmap, idx * 4, val, size);
 }
 
-struct intel_dsb_buffer *intel_dsb_buffer_create(struct drm_device *drm, size_t size)
+static struct intel_dsb_buffer *xe_dsb_buffer_create(struct drm_device *drm, size_t size)
 {
 	struct xe_device *xe = to_xe_device(drm);
 	struct intel_dsb_buffer *dsb_buf;
@@ -69,13 +71,13 @@ struct intel_dsb_buffer *intel_dsb_buffer_create(struct drm_device *drm, size_t
 	return ERR_PTR(ret);
 }
 
-void intel_dsb_buffer_cleanup(struct intel_dsb_buffer *dsb_buf)
+static void xe_dsb_buffer_cleanup(struct intel_dsb_buffer *dsb_buf)
 {
 	xe_bo_unpin_map_no_vm(dsb_buf->bo);
 	kfree(dsb_buf);
 }
 
-void intel_dsb_buffer_flush_map(struct intel_dsb_buffer *dsb_buf)
+static void xe_dsb_buffer_flush_map(struct intel_dsb_buffer *dsb_buf)
 {
 	struct xe_device *xe = dsb_buf->bo->tile->xe;
 
@@ -86,3 +88,13 @@ void intel_dsb_buffer_flush_map(struct intel_dsb_buffer *dsb_buf)
 	xe_device_wmb(xe);
 	xe_device_l2_flush(xe);
 }
+
+const struct intel_display_dsb_interface xe_display_dsb_interface = {
+	.ggtt_offset = xe_dsb_buffer_ggtt_offset,
+	.write = xe_dsb_buffer_write,
+	.read = xe_dsb_buffer_read,
+	.fill = xe_dsb_buffer_fill,
+	.create = xe_dsb_buffer_create,
+	.cleanup = xe_dsb_buffer_cleanup,
+	.flush_map = xe_dsb_buffer_flush_map,
+};
diff --git a/drivers/gpu/drm/xe/display/xe_dsb_buffer.h b/drivers/gpu/drm/xe/display/xe_dsb_buffer.h
new file mode 100644
index 000000000000..2e4772187016
--- /dev/null
+++ b/drivers/gpu/drm/xe/display/xe_dsb_buffer.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef __XE_DSB_BUFFER_H__
+#define __XE_DSB_BUFFER_H__
+
+extern const struct intel_display_dsb_interface xe_display_dsb_interface;
+
+#endif
diff --git a/drivers/gpu/drm/xe/display/xe_fb_pin.c b/drivers/gpu/drm/xe/display/xe_fb_pin.c
index e1d29b6ba043..dbbc61032b7f 100644
--- a/drivers/gpu/drm/xe/display/xe_fb_pin.c
+++ b/drivers/gpu/drm/xe/display/xe_fb_pin.c
@@ -5,15 +5,14 @@
 
 #include <drm/ttm/ttm_bo.h>
 
-#include "i915_vma.h"
 #include "intel_display_core.h"
 #include "intel_display_types.h"
-#include "intel_dpt.h"
 #include "intel_fb.h"
 #include "intel_fb_pin.h"
 #include "intel_fbdev.h"
 #include "xe_bo.h"
 #include "xe_device.h"
+#include "xe_display_vma.h"
 #include "xe_ggtt.h"
 #include "xe_pm.h"
 #include "xe_vram_types.h"
@@ -409,7 +408,7 @@ static bool reuse_vma(struct intel_plane_state *new_plane_state,
 	refcount_inc(&vma->ref);
 	new_plane_state->ggtt_vma = vma;
 
-	new_plane_state->surf = i915_ggtt_offset(new_plane_state->ggtt_vma) +
+	new_plane_state->surf = xe_ggtt_node_addr(new_plane_state->ggtt_vma->node) +
 		plane->surf_offset(new_plane_state);
 
 	return true;
@@ -439,7 +438,7 @@ int intel_plane_pin_fb(struct intel_plane_state *new_plane_state,
 
 	new_plane_state->ggtt_vma = vma;
 
-	new_plane_state->surf = i915_ggtt_offset(new_plane_state->ggtt_vma) +
+	new_plane_state->surf = xe_ggtt_node_addr(new_plane_state->ggtt_vma->node) +
 		plane->surf_offset(new_plane_state);
 
 	return 0;
@@ -451,25 +450,6 @@ void intel_plane_unpin_fb(struct intel_plane_state *old_plane_state)
 	old_plane_state->ggtt_vma = NULL;
 }
 
-/*
- * For Xe introduce dummy intel_dpt_create which just return NULL,
- * intel_dpt_destroy which does nothing, and fake intel_dpt_ofsset returning 0;
- */
-struct i915_address_space *intel_dpt_create(struct intel_framebuffer *fb)
-{
-	return NULL;
-}
-
-void intel_dpt_destroy(struct i915_address_space *vm)
-{
-	return;
-}
-
-u64 intel_dpt_offset(struct i915_vma *dpt_vma)
-{
-	return 0;
-}
-
 void intel_fb_get_map(struct i915_vma *vma, struct iosys_map *map)
 {
 	*map = vma->bo->vmap;
diff --git a/drivers/gpu/drm/xe/display/xe_frontbuffer.c b/drivers/gpu/drm/xe/display/xe_frontbuffer.c
new file mode 100644
index 000000000000..113fc017ee94
--- /dev/null
+++ b/drivers/gpu/drm/xe/display/xe_frontbuffer.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: MIT
+/* Copyright © 2026 Intel Corporation */
+
+#include <drm/drm_gem.h>
+#include <drm/intel/display_parent_interface.h>
+
+#include "intel_frontbuffer.h"
+#include "xe_frontbuffer.h"
+
+struct xe_frontbuffer {
+	struct intel_frontbuffer base;
+	struct drm_gem_object *obj;
+	struct kref ref;
+};
+
+static struct intel_frontbuffer *xe_frontbuffer_get(struct drm_gem_object *obj)
+{
+	struct xe_frontbuffer *front;
+
+	front = kmalloc_obj(*front);
+	if (!front)
+		return NULL;
+
+	intel_frontbuffer_init(&front->base, obj->dev);
+
+	kref_init(&front->ref);
+
+	drm_gem_object_get(obj);
+	front->obj = obj;
+
+	return &front->base;
+}
+
+static void xe_frontbuffer_ref(struct intel_frontbuffer *_front)
+{
+	struct xe_frontbuffer *front =
+		container_of(_front, typeof(*front), base);
+
+	kref_get(&front->ref);
+}
+
+static void frontbuffer_release(struct kref *ref)
+{
+	struct xe_frontbuffer *front =
+		container_of(ref, typeof(*front), ref);
+
+	intel_frontbuffer_fini(&front->base);
+
+	drm_gem_object_put(front->obj);
+
+	kfree(front);
+}
+
+static void xe_frontbuffer_put(struct intel_frontbuffer *_front)
+{
+	struct xe_frontbuffer *front =
+		container_of(_front, typeof(*front), base);
+
+	kref_put(&front->ref, frontbuffer_release);
+}
+
+static void xe_frontbuffer_flush_for_display(struct intel_frontbuffer *front)
+{
+}
+
+const struct intel_display_frontbuffer_interface xe_display_frontbuffer_interface = {
+	.get = xe_frontbuffer_get,
+	.ref = xe_frontbuffer_ref,
+	.put = xe_frontbuffer_put,
+	.flush_for_display = xe_frontbuffer_flush_for_display,
+};
diff --git a/drivers/gpu/drm/xe/display/xe_frontbuffer.h b/drivers/gpu/drm/xe/display/xe_frontbuffer.h
new file mode 100644
index 000000000000..6b4f59b42ade
--- /dev/null
+++ b/drivers/gpu/drm/xe/display/xe_frontbuffer.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef _XE_FRONTBUFFER_H_
+#define _XE_FRONTBUFFER_H_
+
+extern const struct intel_display_frontbuffer_interface xe_display_frontbuffer_interface;
+
+#endif
diff --git a/drivers/gpu/drm/xe/display/xe_initial_plane.c b/drivers/gpu/drm/xe/display/xe_initial_plane.c
index 4cfeafcc158d..65cc0b0c934b 100644
--- a/drivers/gpu/drm/xe/display/xe_initial_plane.c
+++ b/drivers/gpu/drm/xe/display/xe_initial_plane.c
@@ -3,26 +3,21 @@
  * Copyright © 2021 Intel Corporation
  */
 
-/* for ioread64 */
-#include <linux/io-64-nonatomic-lo-hi.h>
-
 #include <drm/intel/display_parent_interface.h>
 
 #include "regs/xe_gtt_defs.h"
-#include "xe_ggtt.h"
-#include "xe_mmio.h"
 
-#include "i915_vma.h"
 #include "intel_crtc.h"
 #include "intel_display_regs.h"
 #include "intel_display_types.h"
 #include "intel_fb.h"
 #include "intel_fb_pin.h"
+#include "intel_fbdev_fb.h"
 #include "xe_bo.h"
+#include "xe_display_vma.h"
+#include "xe_ggtt.h"
+#include "xe_mmio.h"
 #include "xe_vram_types.h"
-#include "xe_wa.h"
-
-#include <generated/xe_device_wa_oob.h>
 
 /* Early xe has no irq */
 static void xe_initial_plane_vblank_wait(struct drm_crtc *_crtc)
@@ -90,17 +85,11 @@ initial_plane_bo(struct xe_device *xe,
 		phys_base = base;
 		flags |= XE_BO_FLAG_STOLEN;
 
-		if (XE_DEVICE_WA(xe, 22019338487_display))
-			return NULL;
-
-		/*
-		 * If the FB is too big, just don't use it since fbdev is not very
-		 * important and we should probably use that space with FBC or other
-		 * features.
-		 */
 		if (IS_ENABLED(CONFIG_FRAMEBUFFER_CONSOLE) &&
-		    plane_config->size * 2 >> PAGE_SHIFT >= stolen->size)
+		    !intel_fbdev_fb_prefer_stolen(&xe->drm, plane_config->size)) {
+			drm_info(&xe->drm, "Initial FB size exceeds half of stolen, discarding\n");
 			return NULL;
+		}
 	}
 
 	size = round_up(plane_config->base + plane_config->size,
@@ -170,7 +159,7 @@ xe_initial_plane_setup(struct drm_plane_state *_plane_state,
 
 	plane_state->ggtt_vma = vma;
 
-	plane_state->surf = i915_ggtt_offset(plane_state->ggtt_vma);
+	plane_state->surf = xe_ggtt_node_addr(plane_state->ggtt_vma->node);
 
 	plane_config->vma = vma;
 
diff --git a/drivers/gpu/drm/xe/regs/xe_reg_defs.h b/drivers/gpu/drm/xe/regs/xe_reg_defs.h
index c39aab843e35..27ac0bf1f6cd 100644
--- a/drivers/gpu/drm/xe/regs/xe_reg_defs.h
+++ b/drivers/gpu/drm/xe/regs/xe_reg_defs.h
@@ -6,12 +6,13 @@
 #ifndef _XE_REG_DEFS_H_
 #define _XE_REG_DEFS_H_
 
+#include <drm/intel/pick.h>
+#include <drm/intel/reg_bits.h>
+
 #include <linux/build_bug.h>
 #include <linux/log2.h>
 #include <linux/sizes.h>
 
-#include "compat-i915-headers/i915_reg_defs.h"
-
 /**
  * XE_REG_ADDR_MAX - The upper limit on MMIO register address
  *
diff --git a/drivers/gpu/drm/xe/xe_eu_stall.c b/drivers/gpu/drm/xe/xe_eu_stall.c
index 39723928a019..c34408cfd292 100644
--- a/drivers/gpu/drm/xe/xe_eu_stall.c
+++ b/drivers/gpu/drm/xe/xe_eu_stall.c
@@ -442,9 +442,9 @@ static void clear_dropped_eviction_line_bit(struct xe_gt *gt, u16 group, u16 ins
 	 * On Xe2 and later GPUs, the bit has to be cleared by writing 0 to it.
 	 */
 	if (GRAPHICS_VER(xe) >= 20)
-		write_ptr_reg = _MASKED_BIT_DISABLE(XEHPC_EUSTALL_REPORT_OVERFLOW_DROP);
+		write_ptr_reg = REG_MASKED_FIELD_DISABLE(XEHPC_EUSTALL_REPORT_OVERFLOW_DROP);
 	else
-		write_ptr_reg = _MASKED_BIT_ENABLE(XEHPC_EUSTALL_REPORT_OVERFLOW_DROP);
+		write_ptr_reg = REG_MASKED_FIELD_ENABLE(XEHPC_EUSTALL_REPORT_OVERFLOW_DROP);
 
 	xe_gt_mcr_unicast_write(gt, XEHPC_EUSTALL_REPORT, write_ptr_reg, group, instance);
 }
@@ -504,7 +504,7 @@ static int xe_eu_stall_data_buf_read(struct xe_eu_stall_data_stream *stream,
 	/* Read pointer can overflow into one additional bit */
 	read_ptr &= (buf_size << 1) - 1;
 	read_ptr_reg = REG_FIELD_PREP(XEHPC_EUSTALL_REPORT1_READ_PTR_MASK, (read_ptr >> 6));
-	read_ptr_reg = _MASKED_FIELD(XEHPC_EUSTALL_REPORT1_READ_PTR_MASK, read_ptr_reg);
+	read_ptr_reg = REG_MASKED_FIELD(XEHPC_EUSTALL_REPORT1_READ_PTR_MASK, read_ptr_reg);
 	xe_gt_mcr_unicast_write(gt, XEHPC_EUSTALL_REPORT1, read_ptr_reg, group, instance);
 	xecore_buf->read = read_ptr;
 	trace_xe_eu_stall_data_read(group, instance, read_ptr, write_ptr,
@@ -674,7 +674,7 @@ static int xe_eu_stall_stream_enable(struct xe_eu_stall_data_stream *stream)
 
 	if (XE_GT_WA(gt, 22016596838))
 		xe_gt_mcr_multicast_write(gt, ROW_CHICKEN2,
-					  _MASKED_BIT_ENABLE(DISABLE_DOP_GATING));
+					  REG_MASKED_FIELD_ENABLE(DISABLE_DOP_GATING));
 
 	for_each_dss_steering(xecore, gt, group, instance) {
 		write_ptr_reg = xe_gt_mcr_unicast_read(gt, XEHPC_EUSTALL_REPORT, group, instance);
@@ -683,7 +683,7 @@ static int xe_eu_stall_stream_enable(struct xe_eu_stall_data_stream *stream)
 			clear_dropped_eviction_line_bit(gt, group, instance);
 		write_ptr = REG_FIELD_GET(XEHPC_EUSTALL_REPORT_WRITE_PTR_MASK, write_ptr_reg);
 		read_ptr_reg = REG_FIELD_PREP(XEHPC_EUSTALL_REPORT1_READ_PTR_MASK, write_ptr);
-		read_ptr_reg = _MASKED_FIELD(XEHPC_EUSTALL_REPORT1_READ_PTR_MASK, read_ptr_reg);
+		read_ptr_reg = REG_MASKED_FIELD(XEHPC_EUSTALL_REPORT1_READ_PTR_MASK, read_ptr_reg);
 		/* Initialize the read pointer to the write pointer */
 		xe_gt_mcr_unicast_write(gt, XEHPC_EUSTALL_REPORT1, read_ptr_reg, group, instance);
 		write_ptr <<= 6;
@@ -695,10 +695,10 @@ static int xe_eu_stall_stream_enable(struct xe_eu_stall_data_stream *stream)
 	stream->data_drop.reported_to_user = false;
 	bitmap_zero(stream->data_drop.mask, XE_MAX_DSS_FUSE_BITS);
 
-	reg_value = _MASKED_FIELD(EUSTALL_MOCS | EUSTALL_SAMPLE_RATE,
-				  REG_FIELD_PREP(EUSTALL_MOCS, gt->mocs.uc_index << 1) |
-				  REG_FIELD_PREP(EUSTALL_SAMPLE_RATE,
-						 stream->sampling_rate_mult));
+	reg_value = REG_MASKED_FIELD(EUSTALL_MOCS | EUSTALL_SAMPLE_RATE,
+				     REG_FIELD_PREP(EUSTALL_MOCS, gt->mocs.uc_index << 1) |
+				     REG_FIELD_PREP(EUSTALL_SAMPLE_RATE,
+						    stream->sampling_rate_mult));
 	xe_gt_mcr_multicast_write(gt, XEHPC_EUSTALL_CTRL, reg_value);
 	/* GGTT addresses can never be > 32 bits */
 	xe_gt_mcr_multicast_write(gt, XEHPC_EUSTALL_BASE_UPPER, 0);
@@ -830,7 +830,7 @@ static int xe_eu_stall_disable_locked(struct xe_eu_stall_data_stream *stream)
 
 	if (XE_GT_WA(gt, 22016596838))
 		xe_gt_mcr_multicast_write(gt, ROW_CHICKEN2,
-					  _MASKED_BIT_DISABLE(DISABLE_DOP_GATING));
+					  REG_MASKED_FIELD_DISABLE(DISABLE_DOP_GATING));
 
 	xe_force_wake_put(gt_to_fw(gt), stream->fw_ref);
 	xe_pm_runtime_put(gt_to_xe(gt));
diff --git a/drivers/gpu/drm/xe/xe_execlist.c b/drivers/gpu/drm/xe/xe_execlist.c
index 7e8a3a7db741..755a2bff5d7b 100644
--- a/drivers/gpu/drm/xe/xe_execlist.c
+++ b/drivers/gpu/drm/xe/xe_execlist.c
@@ -47,7 +47,7 @@ static void __start_lrc(struct xe_hw_engine *hwe, struct xe_lrc *lrc,
 	struct xe_mmio *mmio = &gt->mmio;
 	struct xe_device *xe = gt_to_xe(gt);
 	u64 lrc_desc;
-	u32 ring_mode = _MASKED_BIT_ENABLE(GFX_DISABLE_LEGACY_MODE);
+	u32 ring_mode = REG_MASKED_FIELD_ENABLE(GFX_DISABLE_LEGACY_MODE);
 
 	lrc_desc = xe_lrc_descriptor(lrc);
 
@@ -61,7 +61,7 @@ static void __start_lrc(struct xe_hw_engine *hwe, struct xe_lrc *lrc,
 
 	if (hwe->class == XE_ENGINE_CLASS_COMPUTE)
 		xe_mmio_write32(mmio, RCU_MODE,
-				_MASKED_BIT_ENABLE(RCU_MODE_CCS_ENABLE));
+				REG_MASKED_FIELD_ENABLE(RCU_MODE_CCS_ENABLE));
 
 	xe_lrc_write_ctx_reg(lrc, CTX_RING_TAIL, lrc->ring.tail);
 	lrc->ring.old_tail = lrc->ring.tail;
@@ -83,7 +83,7 @@ static void __start_lrc(struct xe_hw_engine *hwe, struct xe_lrc *lrc,
 	xe_mmio_read32(mmio, RING_HWS_PGA(hwe->mmio_base));
 
 	if (xe_device_has_msix(gt_to_xe(hwe->gt)))
-		ring_mode |= _MASKED_BIT_ENABLE(GFX_MSIX_INTERRUPT_ENABLE);
+		ring_mode |= REG_MASKED_FIELD_ENABLE(GFX_MSIX_INTERRUPT_ENABLE);
 	xe_mmio_write32(mmio, RING_MODE(hwe->mmio_base), ring_mode);
 
 	xe_mmio_write32(mmio, RING_EXECLIST_SQ_CONTENTS_LO(hwe->mmio_base),
diff --git a/drivers/gpu/drm/xe/xe_hw_engine.c b/drivers/gpu/drm/xe/xe_hw_engine.c
index ea3ad600d7c7..337baf0a6e87 100644
--- a/drivers/gpu/drm/xe/xe_hw_engine.c
+++ b/drivers/gpu/drm/xe/xe_hw_engine.c
@@ -327,21 +327,21 @@ void xe_hw_engine_enable_ring(struct xe_hw_engine *hwe)
 {
 	u32 ccs_mask =
 		xe_hw_engine_mask_per_class(hwe->gt, XE_ENGINE_CLASS_COMPUTE);
-	u32 ring_mode = _MASKED_BIT_ENABLE(GFX_DISABLE_LEGACY_MODE);
+	u32 ring_mode = REG_MASKED_FIELD_ENABLE(GFX_DISABLE_LEGACY_MODE);
 
 	if (hwe->class == XE_ENGINE_CLASS_COMPUTE && ccs_mask)
 		xe_mmio_write32(&hwe->gt->mmio, RCU_MODE,
-				_MASKED_BIT_ENABLE(RCU_MODE_CCS_ENABLE));
+				REG_MASKED_FIELD_ENABLE(RCU_MODE_CCS_ENABLE));
 
 	xe_hw_engine_mmio_write32(hwe, RING_HWSTAM(0), ~0x0);
 	xe_hw_engine_mmio_write32(hwe, RING_HWS_PGA(0),
 				  xe_bo_ggtt_addr(hwe->hwsp));
 
 	if (xe_device_has_msix(gt_to_xe(hwe->gt)))
-		ring_mode |= _MASKED_BIT_ENABLE(GFX_MSIX_INTERRUPT_ENABLE);
+		ring_mode |= REG_MASKED_FIELD_ENABLE(GFX_MSIX_INTERRUPT_ENABLE);
 	xe_hw_engine_mmio_write32(hwe, RING_MODE(0), ring_mode);
 	xe_hw_engine_mmio_write32(hwe, RING_MI_MODE(0),
-				  _MASKED_BIT_DISABLE(STOP_RING));
+				  REG_MASKED_FIELD_DISABLE(STOP_RING));
 	xe_hw_engine_mmio_read32(hwe, RING_MI_MODE(0));
 }
 
diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c
index 73a503d88217..aa26c71ae34f 100644
--- a/drivers/gpu/drm/xe/xe_lrc.c
+++ b/drivers/gpu/drm/xe/xe_lrc.c
@@ -642,12 +642,12 @@ static const u8 *reg_offsets(struct xe_device *xe, enum xe_engine_class class)
 
 static void set_context_control(u32 *regs, struct xe_hw_engine *hwe)
 {
-	regs[CTX_CONTEXT_CONTROL] = _MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH |
-						       CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT);
+	regs[CTX_CONTEXT_CONTROL] = REG_MASKED_FIELD_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH |
+							    CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT);
 
 	if (xe_gt_has_indirect_ring_state(hwe->gt))
 		regs[CTX_CONTEXT_CONTROL] |=
-			_MASKED_BIT_ENABLE(CTX_CTRL_INDIRECT_RING_STATE_ENABLE);
+			REG_MASKED_FIELD_ENABLE(CTX_CTRL_INDIRECT_RING_STATE_ENABLE);
 }
 
 static void set_memory_based_intr(u32 *regs, struct xe_hw_engine *hwe)
@@ -1212,7 +1212,7 @@ static ssize_t setup_invalidate_state_cache_wa(struct xe_lrc *lrc,
 
 	*cmd++ = MI_LOAD_REGISTER_IMM | MI_LRI_NUM_REGS(1);
 	*cmd++ = CS_DEBUG_MODE2(0).addr;
-	*cmd++ = _MASKED_BIT_ENABLE(INSTRUCTION_STATE_CACHE_INVALIDATE);
+	*cmd++ = REG_MASKED_FIELD_ENABLE(INSTRUCTION_STATE_CACHE_INVALIDATE);
 
 	return cmd - batch;
 }
@@ -1515,12 +1515,12 @@ static int xe_lrc_ctx_init(struct xe_lrc *lrc, struct xe_hw_engine *hwe, struct
 	if (init_flags & XE_LRC_CREATE_RUNALONE)
 		xe_lrc_write_ctx_reg(lrc, CTX_CONTEXT_CONTROL,
 				     xe_lrc_read_ctx_reg(lrc, CTX_CONTEXT_CONTROL) |
-				     _MASKED_BIT_ENABLE(CTX_CTRL_RUN_ALONE));
+				     REG_MASKED_FIELD_ENABLE(CTX_CTRL_RUN_ALONE));
 
 	if (init_flags & XE_LRC_CREATE_PXP)
 		xe_lrc_write_ctx_reg(lrc, CTX_CONTEXT_CONTROL,
 				     xe_lrc_read_ctx_reg(lrc, CTX_CONTEXT_CONTROL) |
-				     _MASKED_BIT_ENABLE(CTX_CTRL_PXP_ENABLE));
+				     REG_MASKED_FIELD_ENABLE(CTX_CTRL_PXP_ENABLE));
 
 	lrc->ctx_timestamp = 0;
 	xe_lrc_write_ctx_reg(lrc, CTX_TIMESTAMP, 0);
@@ -1551,7 +1551,7 @@ static int xe_lrc_ctx_init(struct xe_lrc *lrc, struct xe_hw_engine *hwe, struct
 	if (init_flags & XE_LRC_DISABLE_STATE_CACHE_PERF_FIX) {
 		state_cache_perf_fix[0] = MI_LOAD_REGISTER_IMM | MI_LRI_NUM_REGS(1);
 		state_cache_perf_fix[1] = COMMON_SLICE_CHICKEN3.addr;
-		state_cache_perf_fix[2] = _MASKED_BIT_ENABLE(DISABLE_STATE_CACHE_PERF_FIX);
+		state_cache_perf_fix[2] = REG_MASKED_FIELD_ENABLE(DISABLE_STATE_CACHE_PERF_FIX);
 		xe_lrc_write_ring(lrc, state_cache_perf_fix, sizeof(state_cache_perf_fix));
 	}
 
diff --git a/drivers/gpu/drm/xe/xe_mmio.c b/drivers/gpu/drm/xe/xe_mmio.c
index a1a05c68dc7d..78adb303b663 100644
--- a/drivers/gpu/drm/xe/xe_mmio.c
+++ b/drivers/gpu/drm/xe/xe_mmio.c
@@ -154,6 +154,15 @@ u8 xe_mmio_read8(struct xe_mmio *mmio, struct xe_reg reg)
 	return val;
 }
 
+void xe_mmio_write8(struct xe_mmio *mmio, struct xe_reg reg, u8 val)
+{
+	u32 addr = xe_mmio_adjusted_addr(mmio, reg.addr);
+
+	trace_xe_reg_rw(mmio, true, addr, val, sizeof(val));
+
+	writeb(val, mmio->regs + addr);
+}
+
 u16 xe_mmio_read16(struct xe_mmio *mmio, struct xe_reg reg)
 {
 	u32 addr = xe_mmio_adjusted_addr(mmio, reg.addr);
diff --git a/drivers/gpu/drm/xe/xe_mmio.h b/drivers/gpu/drm/xe/xe_mmio.h
index 41ae720acbc3..befe021f2215 100644
--- a/drivers/gpu/drm/xe/xe_mmio.h
+++ b/drivers/gpu/drm/xe/xe_mmio.h
@@ -17,6 +17,7 @@ int xe_mmio_probe_tiles(struct xe_device *xe);
 void xe_mmio_init(struct xe_mmio *mmio, struct xe_tile *tile, void __iomem *ptr, u32 size);
 
 u8 xe_mmio_read8(struct xe_mmio *mmio, struct xe_reg reg);
+void xe_mmio_write8(struct xe_mmio *mmio, struct xe_reg reg, u8 val);
 u16 xe_mmio_read16(struct xe_mmio *mmio, struct xe_reg reg);
 void xe_mmio_write32(struct xe_mmio *mmio, struct xe_reg reg, u32 val);
 u32 xe_mmio_read32(struct xe_mmio *mmio, struct xe_reg reg);
diff --git a/drivers/gpu/drm/xe/xe_oa.c b/drivers/gpu/drm/xe/xe_oa.c
index dcd393b0931a..c176a61febb2 100644
--- a/drivers/gpu/drm/xe/xe_oa.c
+++ b/drivers/gpu/drm/xe/xe_oa.c
@@ -758,8 +758,9 @@ static int xe_oa_configure_oar_context(struct xe_oa_stream *stream, bool enable)
 		},
 		{
 			RING_CONTEXT_CONTROL(stream->hwe->mmio_base),
-			_MASKED_FIELD(CTX_CTRL_OAC_CONTEXT_ENABLE,
-				      enable ? CTX_CTRL_OAC_CONTEXT_ENABLE : 0)
+			enable ?
+			REG_MASKED_FIELD_ENABLE(CTX_CTRL_OAC_CONTEXT_ENABLE) :
+			REG_MASKED_FIELD_DISABLE(CTX_CTRL_OAC_CONTEXT_ENABLE)
 		},
 	};
 
@@ -782,9 +783,9 @@ static int xe_oa_configure_oac_context(struct xe_oa_stream *stream, bool enable)
 		},
 		{
 			RING_CONTEXT_CONTROL(stream->hwe->mmio_base),
-			_MASKED_FIELD(CTX_CTRL_OAC_CONTEXT_ENABLE,
-				      enable ? CTX_CTRL_OAC_CONTEXT_ENABLE : 0) |
-			_MASKED_FIELD(CTX_CTRL_RUN_ALONE, enable ? CTX_CTRL_RUN_ALONE : 0),
+			enable ?
+			REG_MASKED_FIELD_ENABLE(CTX_CTRL_OAC_CONTEXT_ENABLE | CTX_CTRL_RUN_ALONE) :
+			REG_MASKED_FIELD_DISABLE(CTX_CTRL_OAC_CONTEXT_ENABLE | CTX_CTRL_RUN_ALONE),
 		},
 	};
 
@@ -812,9 +813,10 @@ static int xe_oa_configure_oa_context(struct xe_oa_stream *stream, bool enable)
 
 static u32 oag_configure_mmio_trigger(const struct xe_oa_stream *stream, bool enable)
 {
-	return _MASKED_FIELD(OAG_OA_DEBUG_DISABLE_MMIO_TRG,
-			     enable && stream && stream->sample ?
-			     0 : OAG_OA_DEBUG_DISABLE_MMIO_TRG);
+	if (enable && stream && stream->sample)
+		return REG_MASKED_FIELD_DISABLE(OAG_OA_DEBUG_DISABLE_MMIO_TRG);
+	else
+		return REG_MASKED_FIELD_ENABLE(OAG_OA_DEBUG_DISABLE_MMIO_TRG);
 }
 
 static void xe_oa_disable_metric_set(struct xe_oa_stream *stream)
@@ -825,9 +827,9 @@ static void xe_oa_disable_metric_set(struct xe_oa_stream *stream)
 	/* Enable thread stall DOP gating and EU DOP gating. */
 	if (XE_GT_WA(stream->gt, 1508761755)) {
 		xe_gt_mcr_multicast_write(stream->gt, ROW_CHICKEN,
-					  _MASKED_BIT_DISABLE(STALL_DOP_GATING_DISABLE));
+					  REG_MASKED_FIELD_DISABLE(STALL_DOP_GATING_DISABLE));
 		xe_gt_mcr_multicast_write(stream->gt, ROW_CHICKEN2,
-					  _MASKED_BIT_DISABLE(DISABLE_DOP_GATING));
+					  REG_MASKED_FIELD_DISABLE(DISABLE_DOP_GATING));
 	}
 
 	xe_mmio_write32(mmio, __oa_regs(stream)->oa_debug,
@@ -1055,16 +1057,18 @@ static int xe_oa_emit_oa_config(struct xe_oa_stream *stream, struct xe_oa_config
 static u32 oag_report_ctx_switches(const struct xe_oa_stream *stream)
 {
 	/* If user didn't require OA reports, ask HW not to emit ctx switch reports */
-	return _MASKED_FIELD(OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS,
-			     stream->sample ?
-			     0 : OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS);
+	if (stream->sample)
+		return REG_MASKED_FIELD_DISABLE(OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS);
+	else
+		return REG_MASKED_FIELD_ENABLE(OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS);
 }
 
 static u32 oag_buf_size_select(const struct xe_oa_stream *stream)
 {
-	return _MASKED_FIELD(OAG_OA_DEBUG_BUF_SIZE_SELECT,
-			     xe_bo_size(stream->oa_buffer.bo) > SZ_16M ?
-			     OAG_OA_DEBUG_BUF_SIZE_SELECT : 0);
+	if (xe_bo_size(stream->oa_buffer.bo) > SZ_16M)
+		return REG_MASKED_FIELD_ENABLE(OAG_OA_DEBUG_BUF_SIZE_SELECT);
+	else
+		return REG_MASKED_FIELD_DISABLE(OAG_OA_DEBUG_BUF_SIZE_SELECT);
 }
 
 static int xe_oa_enable_metric_set(struct xe_oa_stream *stream)
@@ -1079,9 +1083,9 @@ static int xe_oa_enable_metric_set(struct xe_oa_stream *stream)
 	 */
 	if (XE_GT_WA(stream->gt, 1508761755)) {
 		xe_gt_mcr_multicast_write(stream->gt, ROW_CHICKEN,
-					  _MASKED_BIT_ENABLE(STALL_DOP_GATING_DISABLE));
+					  REG_MASKED_FIELD_ENABLE(STALL_DOP_GATING_DISABLE));
 		xe_gt_mcr_multicast_write(stream->gt, ROW_CHICKEN2,
-					  _MASKED_BIT_ENABLE(DISABLE_DOP_GATING));
+					  REG_MASKED_FIELD_ENABLE(DISABLE_DOP_GATING));
 	}
 
 	/* Disable clk ratio reports */
@@ -1096,7 +1100,7 @@ static int xe_oa_enable_metric_set(struct xe_oa_stream *stream)
 			OAG_OA_DEBUG_DISABLE_START_TRG_1_COUNT_QUAL;
 
 	xe_mmio_write32(mmio, __oa_regs(stream)->oa_debug,
-			_MASKED_BIT_ENABLE(oa_debug) |
+			REG_MASKED_FIELD_ENABLE(oa_debug) |
 			oag_report_ctx_switches(stream) |
 			oag_buf_size_select(stream) |
 			oag_configure_mmio_trigger(stream, true));
diff --git a/drivers/gpu/drm/xe/xe_pcode.c b/drivers/gpu/drm/xe/xe_pcode.c
index 0d33c14ea0cf..dc66d0c7ee06 100644
--- a/drivers/gpu/drm/xe/xe_pcode.c
+++ b/drivers/gpu/drm/xe/xe_pcode.c
@@ -348,33 +348,3 @@ int xe_pcode_probe_early(struct xe_device *xe)
 	return xe_pcode_ready(xe, false);
 }
 ALLOW_ERROR_INJECTION(xe_pcode_probe_early, ERRNO); /* See xe_pci_probe */
-
-/* Helpers with drm device. These should only be called by the display side */
-#if IS_ENABLED(CONFIG_DRM_XE_DISPLAY)
-
-int intel_pcode_read(struct drm_device *drm, u32 mbox, u32 *val, u32 *val1)
-{
-	struct xe_device *xe = to_xe_device(drm);
-	struct xe_tile *tile = xe_device_get_root_tile(xe);
-
-	return xe_pcode_read(tile, mbox, val, val1);
-}
-
-int intel_pcode_write_timeout(struct drm_device *drm, u32 mbox, u32 val, int timeout_ms)
-{
-	struct xe_device *xe = to_xe_device(drm);
-	struct xe_tile *tile = xe_device_get_root_tile(xe);
-
-	return xe_pcode_write_timeout(tile, mbox, val, timeout_ms);
-}
-
-int intel_pcode_request(struct drm_device *drm, u32 mbox, u32 request,
-			u32 reply_mask, u32 reply, int timeout_base_ms)
-{
-	struct xe_device *xe = to_xe_device(drm);
-	struct xe_tile *tile = xe_device_get_root_tile(xe);
-
-	return xe_pcode_request(tile, mbox, request, reply_mask, reply, timeout_base_ms);
-}
-
-#endif
diff --git a/drivers/gpu/drm/xe/xe_pcode.h b/drivers/gpu/drm/xe/xe_pcode.h
index a5584c1c75f9..490e4f269607 100644
--- a/drivers/gpu/drm/xe/xe_pcode.h
+++ b/drivers/gpu/drm/xe/xe_pcode.h
@@ -34,12 +34,4 @@ int xe_pcode_request(struct xe_tile *tile, u32 mbox, u32 request,
 	| FIELD_PREP(PCODE_MB_PARAM1, param1)\
 	| FIELD_PREP(PCODE_MB_PARAM2, param2))
 
-/* Helpers with drm device */
-int intel_pcode_read(struct drm_device *drm, u32 mbox, u32 *val, u32 *val1);
-int intel_pcode_write_timeout(struct drm_device *drm, u32 mbox, u32 val, int timeout_ms);
-#define intel_pcode_write(drm, mbox, val) \
-	intel_pcode_write_timeout((drm), (mbox), (val), 1)
-int intel_pcode_request(struct drm_device *drm, u32 mbox, u32 request,
-			u32 reply_mask, u32 reply, int timeout_base_ms);
-
 #endif
diff --git a/drivers/gpu/drm/xe/xe_pxp.c b/drivers/gpu/drm/xe/xe_pxp.c
index d61446bf9c19..e2978e48f660 100644
--- a/drivers/gpu/drm/xe/xe_pxp.c
+++ b/drivers/gpu/drm/xe/xe_pxp.c
@@ -312,8 +312,8 @@ void xe_pxp_irq_handler(struct xe_device *xe, u16 iir)
 
 static int kcr_pxp_set_status(const struct xe_pxp *pxp, bool enable)
 {
-	u32 val = enable ? _MASKED_BIT_ENABLE(KCR_INIT_ALLOW_DISPLAY_ME_WRITES) :
-		  _MASKED_BIT_DISABLE(KCR_INIT_ALLOW_DISPLAY_ME_WRITES);
+	u32 val = enable ? REG_MASKED_FIELD_ENABLE(KCR_INIT_ALLOW_DISPLAY_ME_WRITES) :
+		  REG_MASKED_FIELD_DISABLE(KCR_INIT_ALLOW_DISPLAY_ME_WRITES);
 
 	CLASS(xe_force_wake, fw_ref)(gt_to_fw(pxp->gt), XE_FW_GT);
 	if (!xe_force_wake_ref_has_domain(fw_ref.domains, XE_FW_GT))
diff --git a/drivers/gpu/drm/xe/xe_uc_fw.c b/drivers/gpu/drm/xe/xe_uc_fw.c
index d35bc4989144..9cebb2490245 100644
--- a/drivers/gpu/drm/xe/xe_uc_fw.c
+++ b/drivers/gpu/drm/xe/xe_uc_fw.c
@@ -881,7 +881,7 @@ static int uc_fw_xfer(struct xe_uc_fw *uc_fw, u32 offset, u32 dma_flags)
 
 	/* Start the DMA */
 	xe_mmio_write32(mmio, DMA_CTRL,
-			_MASKED_BIT_ENABLE(dma_flags | START_DMA));
+			REG_MASKED_FIELD_ENABLE(dma_flags | START_DMA));
 
 	/* Wait for DMA to finish */
 	ret = xe_mmio_wait32(mmio, DMA_CTRL, START_DMA, 0, 100000, &dma_ctrl,
@@ -891,7 +891,7 @@ static int uc_fw_xfer(struct xe_uc_fw *uc_fw, u32 offset, u32 dma_flags)
 			xe_uc_fw_type_repr(uc_fw->type), dma_ctrl);
 
 	/* Disable the bits once DMA is over */
-	xe_mmio_write32(mmio, DMA_CTRL, _MASKED_BIT_DISABLE(dma_flags));
+	xe_mmio_write32(mmio, DMA_CTRL, REG_MASKED_FIELD_DISABLE(dma_flags));
 
 	return ret;
 }
diff --git a/include/drm/intel/display_parent_interface.h b/include/drm/intel/display_parent_interface.h
index ce946859a3a9..97ec94a2e749 100644
--- a/include/drm/intel/display_parent_interface.h
+++ b/include/drm/intel/display_parent_interface.h
@@ -9,19 +9,66 @@
 struct dma_fence;
 struct drm_crtc;
 struct drm_device;
+struct drm_file;
 struct drm_framebuffer;
 struct drm_gem_object;
+struct drm_mode_fb_cmd2;
 struct drm_plane_state;
 struct drm_scanout_buffer;
 struct i915_vma;
+struct intel_dpt;
+struct intel_dsb_buffer;
+struct intel_frontbuffer;
 struct intel_hdcp_gsc_context;
 struct intel_initial_plane_config;
 struct intel_panic;
 struct intel_stolen_node;
 struct ref_tracker;
+struct seq_file;
+struct vm_area_struct;
 
 /* Keep struct definitions sorted */
 
+struct intel_display_bo_interface {
+	bool (*is_tiled)(struct drm_gem_object *obj); /* Optional */
+	bool (*is_userptr)(struct drm_gem_object *obj); /* Optional */
+	bool (*is_shmem)(struct drm_gem_object *obj); /* Optional */
+	bool (*is_protected)(struct drm_gem_object *obj);
+	int (*key_check)(struct drm_gem_object *obj);
+	int (*fb_mmap)(struct drm_gem_object *obj, struct vm_area_struct *vma);
+	int (*read_from_page)(struct drm_gem_object *obj, u64 offset, void *dst, int size);
+	void (*describe)(struct seq_file *m, struct drm_gem_object *obj); /* Optional */
+	int (*framebuffer_init)(struct drm_gem_object *obj, struct drm_mode_fb_cmd2 *mode_cmd);
+	void (*framebuffer_fini)(struct drm_gem_object *obj);
+	struct drm_gem_object *(*framebuffer_lookup)(struct drm_device *drm,
+						     struct drm_file *filp,
+						     const struct drm_mode_fb_cmd2 *user_mode_cmd);
+};
+
+struct intel_display_dpt_interface {
+	struct intel_dpt *(*create)(struct drm_gem_object *obj, size_t size);
+	void (*destroy)(struct intel_dpt *dpt);
+	void (*suspend)(struct intel_dpt *dpt);
+	void (*resume)(struct intel_dpt *dpt);
+};
+
+struct intel_display_dsb_interface {
+	u32 (*ggtt_offset)(struct intel_dsb_buffer *dsb_buf);
+	void (*write)(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val);
+	u32 (*read)(struct intel_dsb_buffer *dsb_buf, u32 idx);
+	void (*fill)(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val, size_t size);
+	struct intel_dsb_buffer *(*create)(struct drm_device *drm, size_t size);
+	void (*cleanup)(struct intel_dsb_buffer *dsb_buf);
+	void (*flush_map)(struct intel_dsb_buffer *dsb_buf);
+};
+
+struct intel_display_frontbuffer_interface {
+	struct intel_frontbuffer *(*get)(struct drm_gem_object *obj);
+	void (*ref)(struct intel_frontbuffer *front);
+	void (*put)(struct intel_frontbuffer *front);
+	void (*flush_for_display)(struct intel_frontbuffer *front);
+};
+
 struct intel_display_hdcp_interface {
 	ssize_t (*gsc_msg_send)(struct intel_hdcp_gsc_context *gsc_context,
 				void *msg_in, size_t msg_in_len,
@@ -44,6 +91,35 @@ struct intel_display_irq_interface {
 	void (*synchronize)(struct drm_device *drm);
 };
 
+struct intel_display_overlay_interface {
+	bool (*is_active)(struct drm_device *drm);
+
+	int (*overlay_on)(struct drm_device *drm,
+			  u32 frontbuffer_bits);
+	int (*overlay_continue)(struct drm_device *drm,
+				struct i915_vma *vma,
+				bool load_polyphase_filter);
+	int (*overlay_off)(struct drm_device *drm);
+	int (*recover_from_interrupt)(struct drm_device *drm);
+	int (*release_old_vid)(struct drm_device *drm);
+
+	void (*reset)(struct drm_device *drm);
+
+	struct i915_vma *(*pin_fb)(struct drm_device *drm,
+				   struct drm_gem_object *obj,
+				   u32 *offset);
+	void (*unpin_fb)(struct drm_device *drm,
+			 struct i915_vma *vma);
+
+	struct drm_gem_object *(*obj_lookup)(struct drm_device *drm,
+					     struct drm_file *filp,
+					     u32 handle);
+
+	void __iomem *(*setup)(struct drm_device *drm,
+			       bool needs_physical);
+	void (*cleanup)(struct drm_device *drm);
+};
+
 struct intel_display_panic_interface {
 	struct intel_panic *(*alloc)(void);
 	int (*setup)(struct intel_panic *panic, struct drm_scanout_buffer *sb);
@@ -55,6 +131,13 @@ struct intel_display_pc8_interface {
 	void (*unblock)(struct drm_device *drm);
 };
 
+struct intel_display_pcode_interface {
+	int (*read)(struct drm_device *drm, u32 mbox, u32 *val, u32 *val1);
+	int (*write)(struct drm_device *drm, u32 mbox, u32 val, int timeout_ms);
+	int (*request)(struct drm_device *drm, u32 mbox, u32 request,
+		       u32 reply_mask, u32 reply, int timeout_base_ms);
+};
+
 struct intel_display_rpm_interface {
 	struct ref_tracker *(*get)(const struct drm_device *drm);
 	struct ref_tracker *(*get_raw)(const struct drm_device *drm);
@@ -93,6 +176,10 @@ struct intel_display_stolen_interface {
 	void (*node_free)(const struct intel_stolen_node *node);
 };
 
+struct intel_display_vma_interface {
+	int (*fence_id)(const struct i915_vma *vma);
+};
+
 /**
  * struct intel_display_parent_interface - services parent driver provides to display
  *
@@ -106,6 +193,18 @@ struct intel_display_stolen_interface {
  * check the optional pointers.
  */
 struct intel_display_parent_interface {
+	/** @bo: BO interface */
+	const struct intel_display_bo_interface *bo;
+
+	/** @dpt: DPT interface. Optional. */
+	const struct intel_display_dpt_interface *dpt;
+
+	/** @dsb: DSB buffer interface */
+	const struct intel_display_dsb_interface *dsb;
+
+	/** @frontbuffer: Frontbuffer interface */
+	const struct intel_display_frontbuffer_interface *frontbuffer;
+
 	/** @hdcp: HDCP GSC interface */
 	const struct intel_display_hdcp_interface *hdcp;
 
@@ -118,9 +217,15 @@ struct intel_display_parent_interface {
 	/** @panic: Panic interface */
 	const struct intel_display_panic_interface *panic;
 
+	/** @overlay: Overlay. Optional. */
+	const struct intel_display_overlay_interface *overlay;
+
 	/** @pc8: PC8 interface. Optional. */
 	const struct intel_display_pc8_interface *pc8;
 
+	/** @pcode: Pcode interface */
+	const struct intel_display_pcode_interface *pcode;
+
 	/** @rpm: Runtime PM functions */
 	const struct intel_display_rpm_interface *rpm;
 
@@ -130,6 +235,9 @@ struct intel_display_parent_interface {
 	/** @stolen: Stolen memory. */
 	const struct intel_display_stolen_interface *stolen;
 
+	/** @vma: VMA interface. Optional. */
+	const struct intel_display_vma_interface *vma;
+
 	/* Generic independent functions */
 	struct {
 		/** @fence_priority_display: Set display priority. Optional. */
diff --git a/include/drm/intel/i915_drm.h b/include/drm/intel/i915_drm.h
index adff68538484..1fdaabed1470 100644
--- a/include/drm/intel/i915_drm.h
+++ b/include/drm/intel/i915_drm.h
@@ -39,46 +39,46 @@ bool i915_gpu_turbo_disable(void);
 extern struct resource intel_graphics_stolen_res;
 
 /*
- * The Bridge device's PCI config space has information about the
- * fb aperture size and the amount of pre-reserved memory.
- * This is all handled in the intel-gtt.ko module. i915.ko only
- * cares about the vga bit for the vga arbiter.
+ * The bridge device's (device 0) PCI config space has information
+ * about the fb aperture size and the amount of pre-reserved memory.
  */
-#define INTEL_GMCH_CTRL		0x52
-#define INTEL_GMCH_VGA_DISABLE  (1 << 1)
+
+/* device 2 has a read-only mirror */
 #define SNB_GMCH_CTRL		0x50
-#define    SNB_GMCH_GGMS_SHIFT	8 /* GTT Graphics Memory Size */
-#define    SNB_GMCH_GGMS_MASK	0x3
-#define    SNB_GMCH_GMS_SHIFT   3 /* Graphics Mode Select */
-#define    SNB_GMCH_GMS_MASK    0x1f
-#define    BDW_GMCH_GGMS_SHIFT	6
-#define    BDW_GMCH_GGMS_MASK	0x3
-#define    BDW_GMCH_GMS_SHIFT   8
-#define    BDW_GMCH_GMS_MASK    0xff
+#define   SNB_GMCH_GGMS_SHIFT	8 /* GTT Graphics Memory Size */
+#define   SNB_GMCH_GGMS_MASK	0x3
+#define   SNB_GMCH_GMS_SHIFT	3 /* Graphics Mode Select */
+#define   SNB_GMCH_GMS_MASK	0x1f
+#define   BDW_GMCH_GGMS_SHIFT	6
+#define   BDW_GMCH_GGMS_MASK	0x3
+#define   BDW_GMCH_GMS_SHIFT	8
+#define   BDW_GMCH_GMS_MASK	0xff
 
+/* device 2 has a read-only mirror from i85x/i865 onwards */
 #define I830_GMCH_CTRL			0x52
+#define   I830_GMCH_GMS_MASK		(0x7 << 4)
+#define   I830_GMCH_GMS_LOCAL		(0x1 << 4)
+#define   I830_GMCH_GMS_STOLEN_512	(0x2 << 4)
+#define   I830_GMCH_GMS_STOLEN_1024	(0x3 << 4)
+#define   I830_GMCH_GMS_STOLEN_8192	(0x4 << 4)
+#define   I855_GMCH_GMS_MASK		(0xF << 4)
+#define   I855_GMCH_GMS_STOLEN_0M	(0x0 << 4)
+#define   I855_GMCH_GMS_STOLEN_1M	(0x1 << 4)
+#define   I855_GMCH_GMS_STOLEN_4M	(0x2 << 4)
+#define   I855_GMCH_GMS_STOLEN_8M	(0x3 << 4)
+#define   I855_GMCH_GMS_STOLEN_16M	(0x4 << 4)
+#define   I855_GMCH_GMS_STOLEN_32M	(0x5 << 4)
+#define   I915_GMCH_GMS_STOLEN_48M	(0x6 << 4)
+#define   I915_GMCH_GMS_STOLEN_64M	(0x7 << 4)
+#define   G33_GMCH_GMS_STOLEN_128M	(0x8 << 4)
+#define   G33_GMCH_GMS_STOLEN_256M	(0x9 << 4)
+#define   INTEL_GMCH_GMS_STOLEN_96M	(0xa << 4)
+#define   INTEL_GMCH_GMS_STOLEN_160M	(0xb << 4)
+#define   INTEL_GMCH_GMS_STOLEN_224M	(0xc << 4)
+#define   INTEL_GMCH_GMS_STOLEN_352M	(0xd << 4)
 
-#define I830_GMCH_GMS_MASK		0x70
-#define I830_GMCH_GMS_LOCAL		0x10
-#define I830_GMCH_GMS_STOLEN_512	0x20
-#define I830_GMCH_GMS_STOLEN_1024	0x30
-#define I830_GMCH_GMS_STOLEN_8192	0x40
-
-#define I855_GMCH_GMS_MASK		0xF0
-#define I855_GMCH_GMS_STOLEN_0M		0x0
-#define I855_GMCH_GMS_STOLEN_1M		(0x1 << 4)
-#define I855_GMCH_GMS_STOLEN_4M		(0x2 << 4)
-#define I855_GMCH_GMS_STOLEN_8M		(0x3 << 4)
-#define I855_GMCH_GMS_STOLEN_16M	(0x4 << 4)
-#define I855_GMCH_GMS_STOLEN_32M	(0x5 << 4)
-#define I915_GMCH_GMS_STOLEN_48M	(0x6 << 4)
-#define I915_GMCH_GMS_STOLEN_64M	(0x7 << 4)
-#define G33_GMCH_GMS_STOLEN_128M	(0x8 << 4)
-#define G33_GMCH_GMS_STOLEN_256M	(0x9 << 4)
-#define INTEL_GMCH_GMS_STOLEN_96M	(0xa << 4)
-#define INTEL_GMCH_GMS_STOLEN_160M	(0xb << 4)
-#define INTEL_GMCH_GMS_STOLEN_224M	(0xc << 4)
-#define INTEL_GMCH_GMS_STOLEN_352M	(0xd << 4)
+/* valid for both I830_GMCH_CTRL and SNB_GMCH_CTRL */
+#define   INTEL_GMCH_VGA_DISABLE  (1 << 1)
 
 #define I830_DRB3		0x63
 #define I85X_DRB3		0x43
@@ -87,12 +87,12 @@ extern struct resource intel_graphics_stolen_res;
 #define I830_ESMRAMC		0x91
 #define I845_ESMRAMC		0x9e
 #define I85X_ESMRAMC		0x61
-#define    TSEG_ENABLE		(1 << 0)
-#define    I830_TSEG_SIZE_512K	(0 << 1)
-#define    I830_TSEG_SIZE_1M	(1 << 1)
-#define    I845_TSEG_SIZE_MASK	(3 << 1)
-#define    I845_TSEG_SIZE_512K	(2 << 1)
-#define    I845_TSEG_SIZE_1M	(3 << 1)
+#define   TSEG_ENABLE		(1 << 0)
+#define   I830_TSEG_SIZE_512K	(0 << 1)
+#define   I830_TSEG_SIZE_1M	(1 << 1)
+#define   I845_TSEG_SIZE_MASK	(3 << 1)
+#define   I845_TSEG_SIZE_512K	(2 << 1)
+#define   I845_TSEG_SIZE_1M	(3 << 1)
 
 #define INTEL_BSM		0x5c
 #define INTEL_GEN11_BSM_DW0	0xc0
diff --git a/include/drm/intel/intel_gmd_interrupt_regs.h b/include/drm/intel/intel_gmd_interrupt_regs.h
new file mode 100644
index 000000000000..ce66c4151e76
--- /dev/null
+++ b/include/drm/intel/intel_gmd_interrupt_regs.h
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef _INTEL_GMD_INTERRUPT_REGS_H_
+#define _INTEL_GMD_INTERRUPT_REGS_H_
+
+#define I915_PM_INTERRUPT				(1 << 31)
+#define I915_ISP_INTERRUPT				(1 << 22)
+#define I915_LPE_PIPE_B_INTERRUPT			(1 << 21)
+#define I915_LPE_PIPE_A_INTERRUPT			(1 << 20)
+#define I915_MIPIC_INTERRUPT				(1 << 19)
+#define I915_MIPIA_INTERRUPT				(1 << 18)
+#define I915_PIPE_CONTROL_NOTIFY_INTERRUPT		(1 << 18)
+#define I915_DISPLAY_PORT_INTERRUPT			(1 << 17)
+#define I915_DISPLAY_PIPE_C_HBLANK_INTERRUPT		(1 << 16)
+#define I915_MASTER_ERROR_INTERRUPT			(1 << 15)
+#define I915_DISPLAY_PIPE_B_HBLANK_INTERRUPT		(1 << 14)
+#define I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT	(1 << 14) /* p-state */
+#define I915_DISPLAY_PIPE_A_HBLANK_INTERRUPT		(1 << 13)
+#define I915_HWB_OOM_INTERRUPT				(1 << 13)
+#define I915_LPE_PIPE_C_INTERRUPT			(1 << 12)
+#define I915_SYNC_STATUS_INTERRUPT			(1 << 12)
+#define I915_MISC_INTERRUPT				(1 << 11)
+#define I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT	(1 << 11)
+#define I915_DISPLAY_PIPE_C_VBLANK_INTERRUPT		(1 << 10)
+#define I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT	(1 << 10)
+#define I915_DISPLAY_PIPE_C_EVENT_INTERRUPT		(1 << 9)
+#define I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT	(1 << 9)
+#define I915_DISPLAY_PIPE_C_DPBM_INTERRUPT		(1 << 8)
+#define I915_DISPLAY_PLANE_C_FLIP_PENDING_INTERRUPT	(1 << 8)
+#define I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT		(1 << 7)
+#define I915_DISPLAY_PIPE_A_EVENT_INTERRUPT		(1 << 6)
+#define I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT		(1 << 5)
+#define I915_DISPLAY_PIPE_B_EVENT_INTERRUPT		(1 << 4)
+#define I915_DISPLAY_PIPE_A_DPBM_INTERRUPT		(1 << 3)
+#define I915_DISPLAY_PIPE_B_DPBM_INTERRUPT		(1 << 2)
+#define I915_DEBUG_INTERRUPT				(1 << 2)
+#define I915_WINVALID_INTERRUPT				(1 << 1)
+#define I915_USER_INTERRUPT				(1 << 1)
+#define I915_ASLE_INTERRUPT				(1 << 0)
+#define I915_BSD_USER_INTERRUPT				(1 << 25)
+
+#define GEN8_MASTER_IRQ			_MMIO(0x44200)
+#define  GEN8_MASTER_IRQ_CONTROL	(1 << 31)
+#define  GEN8_PCU_IRQ			(1 << 30)
+#define  GEN8_DE_PCH_IRQ		(1 << 23)
+#define  GEN8_DE_MISC_IRQ		(1 << 22)
+#define  GEN8_DE_PORT_IRQ		(1 << 20)
+#define  GEN8_DE_PIPE_C_IRQ		(1 << 18)
+#define  GEN8_DE_PIPE_B_IRQ		(1 << 17)
+#define  GEN8_DE_PIPE_A_IRQ		(1 << 16)
+#define  GEN8_DE_PIPE_IRQ(pipe)		(1 << (16 + (pipe)))
+#define  GEN8_GT_VECS_IRQ		(1 << 6)
+#define  GEN8_GT_GUC_IRQ		(1 << 5)
+#define  GEN8_GT_PM_IRQ			(1 << 4)
+#define  GEN8_GT_VCS1_IRQ		(1 << 3) /* NB: VCS2 in bspec! */
+#define  GEN8_GT_VCS0_IRQ		(1 << 2) /* NB: VCS1 in bpsec! */
+#define  GEN8_GT_BCS_IRQ		(1 << 1)
+#define  GEN8_GT_RCS_IRQ		(1 << 0)
+
+#define GEN11_GU_MISC_ISR	_MMIO(0x444f0)
+#define GEN11_GU_MISC_IMR	_MMIO(0x444f4)
+#define GEN11_GU_MISC_IIR	_MMIO(0x444f8)
+#define GEN11_GU_MISC_IER	_MMIO(0x444fc)
+#define  GEN11_GU_MISC_GSE	(1 << 27)
+
+#define GEN11_GU_MISC_IRQ_REGS		I915_IRQ_REGS(GEN11_GU_MISC_IMR, \
+						      GEN11_GU_MISC_IER, \
+						      GEN11_GU_MISC_IIR)
+
+#define GEN11_GFX_MSTR_IRQ		_MMIO(0x190010)
+#define  GEN11_MASTER_IRQ		(1 << 31)
+#define  GEN11_PCU_IRQ			(1 << 30)
+#define  GEN11_GU_MISC_IRQ		(1 << 29)
+#define  GEN11_DISPLAY_IRQ		(1 << 16)
+#define  GEN11_GT_DW_IRQ(x)		(1 << (x))
+#define  GEN11_GT_DW1_IRQ		(1 << 1)
+#define  GEN11_GT_DW0_IRQ		(1 << 0)
+
+#define SCPD0		_MMIO(0x209c) /* 915+ only */
+#define  SCPD_FBC_IGNORE_3D			(1 << 6)
+#define  CSTATE_RENDER_CLOCK_GATE_DISABLE	(1 << 5)
+
+#define VLV_IIR_RW	_MMIO(VLV_DISPLAY_BASE + 0x2084)
+#define VLV_IER		_MMIO(VLV_DISPLAY_BASE + 0x20a0)
+#define VLV_IIR		_MMIO(VLV_DISPLAY_BASE + 0x20a4)
+#define VLV_IMR		_MMIO(VLV_DISPLAY_BASE + 0x20a8)
+#define VLV_ISR		_MMIO(VLV_DISPLAY_BASE + 0x20ac)
+#define VLV_PCBR	_MMIO(VLV_DISPLAY_BASE + 0x2120)
+#define VLV_PCBR_ADDR_SHIFT	12
+
+#endif
diff --git a/include/drm/intel/intel_gmd_misc_regs.h b/include/drm/intel/intel_gmd_misc_regs.h
new file mode 100644
index 000000000000..763d7711f21c
--- /dev/null
+++ b/include/drm/intel/intel_gmd_misc_regs.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef _INTEL_GMD_MISC_REGS_H_
+#define _INTEL_GMD_MISC_REGS_H_
+
+#define DISP_ARB_CTL	_MMIO(0x45000)
+#define   DISP_FBC_MEMORY_WAKE		REG_BIT(31)
+#define   DISP_TILE_SURFACE_SWIZZLING	REG_BIT(13)
+#define   DISP_FBC_WM_DIS		REG_BIT(15)
+
+#define INSTPM	        _MMIO(0x20c0)
+#define   INSTPM_SELF_EN (1 << 12) /* 915GM only */
+#define   INSTPM_AGPBUSY_INT_EN (1 << 11) /* gen3: when disabled, pending interrupts
+					will not assert AGPBUSY# and will only
+					be delivered when out of C3. */
+#define   INSTPM_FORCE_ORDERING				(1 << 7) /* GEN6+ */
+#define   INSTPM_TLB_INVALIDATE	(1 << 9)
+#define   INSTPM_SYNC_FLUSH	(1 << 5)
+
+#endif
diff --git a/include/drm/intel/intel_pcode_regs.h b/include/drm/intel/intel_pcode_regs.h
new file mode 100644
index 000000000000..db989ee7c488
--- /dev/null
+++ b/include/drm/intel/intel_pcode_regs.h
@@ -0,0 +1,108 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef _INTEL_PCODE_REGS_H_
+#define _INTEL_PCODE_REGS_H_
+
+#define GEN6_PCODE_MAILBOX			_MMIO(0x138124)
+#define   GEN6_PCODE_READY			(1 << 31)
+#define   GEN6_PCODE_MB_PARAM2			REG_GENMASK(23, 16)
+#define   GEN6_PCODE_MB_PARAM1			REG_GENMASK(15, 8)
+#define   GEN6_PCODE_MB_COMMAND			REG_GENMASK(7, 0)
+#define   GEN6_PCODE_ERROR_MASK			0xFF
+#define     GEN6_PCODE_SUCCESS			0x0
+#define     GEN6_PCODE_ILLEGAL_CMD		0x1
+#define     GEN6_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE 0x2
+#define     GEN6_PCODE_TIMEOUT			0x3
+#define     GEN6_PCODE_UNIMPLEMENTED_CMD	0xFF
+#define     GEN7_PCODE_TIMEOUT			0x2
+#define     GEN7_PCODE_ILLEGAL_DATA		0x3
+#define     GEN11_PCODE_ILLEGAL_SUBCOMMAND	0x4
+#define     GEN11_PCODE_LOCKED			0x6
+#define     GEN11_PCODE_REJECTED		0x11
+#define     GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE 0x10
+#define   GEN6_PCODE_WRITE_RC6VIDS		0x4
+#define   GEN6_PCODE_READ_RC6VIDS		0x5
+#define     GEN6_ENCODE_RC6_VID(mv)		(((mv) - 245) / 5)
+#define     GEN6_DECODE_RC6_VID(vids)		(((vids) * 5) + 245)
+#define   BDW_PCODE_DISPLAY_FREQ_CHANGE_REQ	0x18
+#define   GEN9_PCODE_READ_MEM_LATENCY		0x6
+#define     GEN9_MEM_LATENCY_LEVEL_3_7_MASK	REG_GENMASK(31, 24)
+#define     GEN9_MEM_LATENCY_LEVEL_2_6_MASK	REG_GENMASK(23, 16)
+#define     GEN9_MEM_LATENCY_LEVEL_1_5_MASK	REG_GENMASK(15, 8)
+#define     GEN9_MEM_LATENCY_LEVEL_0_4_MASK	REG_GENMASK(7, 0)
+#define   SKL_PCODE_LOAD_HDCP_KEYS		0x5
+#define   SKL_PCODE_CDCLK_CONTROL		0x7
+#define     SKL_CDCLK_PREPARE_FOR_CHANGE	0x3
+#define     SKL_CDCLK_READY_FOR_CHANGE		0x1
+#define   GEN6_PCODE_WRITE_MIN_FREQ_TABLE	0x8
+#define   GEN6_PCODE_READ_MIN_FREQ_TABLE	0x9
+#define   GEN6_READ_OC_PARAMS			0xc
+#define   ICL_PCODE_MEM_SUBSYSYSTEM_INFO	0xd
+#define     ICL_PCODE_MEM_SS_READ_GLOBAL_INFO	(0x0 << 8)
+#define     ICL_PCODE_MEM_SS_READ_QGV_POINT_INFO(point)	(((point) << 16) | (0x1 << 8))
+#define     ADL_PCODE_MEM_SS_READ_PSF_GV_INFO	((0) | (0x2 << 8))
+#define   DISPLAY_TO_PCODE_CDCLK_MAX		0x28D
+#define   DISPLAY_TO_PCODE_VOLTAGE_MASK		REG_GENMASK(1, 0)
+#define	  DISPLAY_TO_PCODE_VOLTAGE_MAX		DISPLAY_TO_PCODE_VOLTAGE_MASK
+#define   DISPLAY_TO_PCODE_CDCLK_VALID		REG_BIT(27)
+#define   DISPLAY_TO_PCODE_PIPE_COUNT_VALID	REG_BIT(31)
+#define   DISPLAY_TO_PCODE_CDCLK_MASK		REG_GENMASK(25, 16)
+#define   DISPLAY_TO_PCODE_PIPE_COUNT_MASK	REG_GENMASK(30, 28)
+#define   DISPLAY_TO_PCODE_CDCLK(x)		REG_FIELD_PREP(DISPLAY_TO_PCODE_CDCLK_MASK, (x))
+#define   DISPLAY_TO_PCODE_PIPE_COUNT(x)	REG_FIELD_PREP(DISPLAY_TO_PCODE_PIPE_COUNT_MASK, (x))
+#define   DISPLAY_TO_PCODE_VOLTAGE(x)		REG_FIELD_PREP(DISPLAY_TO_PCODE_VOLTAGE_MASK, (x))
+#define   DISPLAY_TO_PCODE_UPDATE_MASK(cdclk, num_pipes, voltage_level) \
+		((DISPLAY_TO_PCODE_CDCLK(cdclk)) | \
+		(DISPLAY_TO_PCODE_PIPE_COUNT(num_pipes)) | \
+		(DISPLAY_TO_PCODE_VOLTAGE(voltage_level)))
+#define   ICL_PCODE_SAGV_DE_MEM_SS_CONFIG	0xe
+#define     ICL_PCODE_REP_QGV_MASK		REG_GENMASK(1, 0)
+#define     ICL_PCODE_REP_QGV_SAFE		REG_FIELD_PREP(ICL_PCODE_REP_QGV_MASK, 0)
+#define     ICL_PCODE_REP_QGV_POLL		REG_FIELD_PREP(ICL_PCODE_REP_QGV_MASK, 1)
+#define     ICL_PCODE_REP_QGV_REJECTED		REG_FIELD_PREP(ICL_PCODE_REP_QGV_MASK, 2)
+#define     ADLS_PCODE_REP_PSF_MASK		REG_GENMASK(3, 2)
+#define     ADLS_PCODE_REP_PSF_SAFE		REG_FIELD_PREP(ADLS_PCODE_REP_PSF_MASK, 0)
+#define     ADLS_PCODE_REP_PSF_POLL		REG_FIELD_PREP(ADLS_PCODE_REP_PSF_MASK, 1)
+#define     ADLS_PCODE_REP_PSF_REJECTED		REG_FIELD_PREP(ADLS_PCODE_REP_PSF_MASK, 2)
+#define     ICL_PCODE_REQ_QGV_PT_MASK		REG_GENMASK(7, 0)
+#define     ICL_PCODE_REQ_QGV_PT(x)		REG_FIELD_PREP(ICL_PCODE_REQ_QGV_PT_MASK, (x))
+#define     ADLS_PCODE_REQ_PSF_PT_MASK		REG_GENMASK(10, 8)
+#define     ADLS_PCODE_REQ_PSF_PT(x)		REG_FIELD_PREP(ADLS_PCODE_REQ_PSF_PT_MASK, (x))
+#define   GEN6_PCODE_READ_D_COMP		0x10
+#define   GEN6_PCODE_WRITE_D_COMP		0x11
+#define   ICL_PCODE_EXIT_TCCOLD			0x12
+#define   HSW_PCODE_DE_WRITE_FREQ_REQ		0x17
+#define   DISPLAY_IPS_CONTROL			0x19
+#define   TGL_PCODE_TCCOLD			0x26
+#define     TGL_PCODE_EXIT_TCCOLD_DATA_L_EXIT_FAILED	REG_BIT(0)
+#define     TGL_PCODE_EXIT_TCCOLD_DATA_L_BLOCK_REQ	0
+#define     TGL_PCODE_EXIT_TCCOLD_DATA_L_UNBLOCK_REQ	REG_BIT(0)
+/* See also IPS_CTL */
+#define     IPS_PCODE_CONTROL			(1 << 30)
+#define   HSW_PCODE_DYNAMIC_DUTY_CYCLE_CONTROL	0x1A
+#define   GEN9_PCODE_SAGV_CONTROL		0x21
+#define     GEN9_SAGV_DISABLE			0x0
+#define     GEN9_SAGV_IS_DISABLED		0x1
+#define     GEN9_SAGV_ENABLE			0x3
+#define   DG1_PCODE_STATUS			0x7E
+#define     DG1_UNCORE_GET_INIT_STATUS		0x0
+#define     DG1_UNCORE_INIT_STATUS_COMPLETE	0x1
+#define   PCODE_POWER_SETUP			0x7C
+#define     POWER_SETUP_SUBCOMMAND_READ_I1	0x4
+#define     POWER_SETUP_SUBCOMMAND_WRITE_I1	0x5
+#define	    POWER_SETUP_I1_WATTS		REG_BIT(31)
+#define	    POWER_SETUP_I1_SHIFT		6	/* 10.6 fixed point format */
+#define	    POWER_SETUP_I1_DATA_MASK		REG_GENMASK(15, 0)
+#define     POWER_SETUP_SUBCOMMAND_G8_ENABLE	0x6
+#define GEN12_PCODE_READ_SAGV_BLOCK_TIME_US	0x23
+#define   XEHP_PCODE_FREQUENCY_CONFIG		0x6e	/* pvc */
+/* XEHP_PCODE_FREQUENCY_CONFIG sub-commands (param1) */
+#define     PCODE_MBOX_FC_SC_READ_FUSED_P0	0x0
+#define     PCODE_MBOX_FC_SC_READ_FUSED_PN	0x1
+/* PCODE_MBOX_DOMAIN_* - mailbox domain IDs */
+/*   XEHP_PCODE_FREQUENCY_CONFIG param2 */
+#define     PCODE_MBOX_DOMAIN_NONE		0x0
+#define     PCODE_MBOX_DOMAIN_MEDIAFF		0x3
+
+#endif
diff --git a/include/drm/intel/pick.h b/include/drm/intel/pick.h
new file mode 100644
index 000000000000..d976fab8f270
--- /dev/null
+++ b/include/drm/intel/pick.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef _PICK_H_
+#define _PICK_H_
+
+/*
+ * Given the first two numbers __a and __b of arbitrarily many evenly spaced
+ * numbers, pick the 0-based __index'th value.
+ *
+ * Always prefer this over _PICK() if the numbers are evenly spaced.
+ */
+#define _PICK_EVEN(__index, __a, __b) ((__a) + (__index) * ((__b) - (__a)))
+
+/*
+ * Like _PICK_EVEN(), but supports 2 ranges of evenly spaced address offsets.
+ * @__c_index corresponds to the index in which the second range starts to be
+ * used. Using math interval notation, the first range is used for indexes [ 0,
+ * @__c_index), while the second range is used for [ @__c_index, ... ). Example:
+ *
+ * #define _FOO_A			0xf000
+ * #define _FOO_B			0xf004
+ * #define _FOO_C			0xf008
+ * #define _SUPER_FOO_A			0xa000
+ * #define _SUPER_FOO_B			0xa100
+ * #define FOO(x)			_MMIO(_PICK_EVEN_2RANGES(x, 3,		\
+ *					      _FOO_A, _FOO_B,			\
+ *					      _SUPER_FOO_A, _SUPER_FOO_B))
+ *
+ * This expands to:
+ *	0: 0xf000,
+ *	1: 0xf004,
+ *	2: 0xf008,
+ *	3: 0xa000,
+ *	4: 0xa100,
+ *	5: 0xa200,
+ *	...
+ */
+#define _PICK_EVEN_2RANGES(__index, __c_index, __a, __b, __c, __d)		\
+	(BUILD_BUG_ON_ZERO(!__is_constexpr(__c_index)) +			\
+	 ((__index) < (__c_index) ? _PICK_EVEN(__index, __a, __b) :		\
+				   _PICK_EVEN((__index) - (__c_index), __c, __d)))
+
+/*
+ * Given the arbitrary numbers in varargs, pick the 0-based __index'th number.
+ *
+ * Always prefer _PICK_EVEN() over this if the numbers are evenly spaced.
+ */
+#define _PICK(__index, ...) (((const u32 []){ __VA_ARGS__ })[__index])
+
+#endif
diff --git a/include/drm/intel/reg_bits.h b/include/drm/intel/reg_bits.h
new file mode 100644
index 000000000000..2a9066e1d808
--- /dev/null
+++ b/include/drm/intel/reg_bits.h
@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright © 2026 Intel Corporation */
+
+#ifndef _REG_BITS_H_
+#define _REG_BITS_H_
+
+#include <linux/bitfield.h>
+#include <linux/bits.h>
+
+/*
+ * Wrappers over the generic fixed width BIT_U*() and GENMASK_U*()
+ * implementations, for compatibility reasons with previous implementation.
+ */
+#define REG_GENMASK(high, low)		GENMASK_U32(high, low)
+#define REG_GENMASK64(high, low)	GENMASK_U64(high, low)
+#define REG_GENMASK16(high, low)	GENMASK_U16(high, low)
+#define REG_GENMASK8(high, low)		GENMASK_U8(high, low)
+
+#define REG_BIT(n)			BIT_U32(n)
+#define REG_BIT64(n)			BIT_U64(n)
+#define REG_BIT16(n)			BIT_U16(n)
+#define REG_BIT8(n)			BIT_U8(n)
+
+/*
+ * Local integer constant expression version of is_power_of_2().
+ */
+#define IS_POWER_OF_2(__x)		((__x) && (((__x) & ((__x) - 1)) == 0))
+
+/**
+ * REG_FIELD_PREP8() - Prepare a u8 bitfield value
+ * @__mask: shifted mask defining the field's length and position
+ * @__val: value to put in the field
+ *
+ * Local copy of FIELD_PREP() to generate an integer constant expression, force
+ * u8 and for consistency with REG_FIELD_GET8(), REG_BIT8() and REG_GENMASK8().
+ *
+ * @return: @__val masked and shifted into the field defined by @__mask.
+ */
+#define REG_FIELD_PREP8(__mask, __val)                                          \
+	((u8)((((typeof(__mask))(__val) << __bf_shf(__mask)) & (__mask)) +      \
+	       BUILD_BUG_ON_ZERO(!__is_constexpr(__mask)) +             \
+	       BUILD_BUG_ON_ZERO((__mask) == 0 || (__mask) > U8_MAX) +          \
+	       BUILD_BUG_ON_ZERO(!IS_POWER_OF_2((__mask) + (1ULL << __bf_shf(__mask)))) + \
+	       BUILD_BUG_ON_ZERO(__builtin_choose_expr(__is_constexpr(__val), (~((__mask) >> __bf_shf(__mask)) & (__val)), 0))))
+
+/**
+ * REG_FIELD_PREP16() - Prepare a u16 bitfield value
+ * @__mask: shifted mask defining the field's length and position
+ * @__val: value to put in the field
+ *
+ * Local copy of FIELD_PREP16() to generate an integer constant
+ * expression, force u8 and for consistency with
+ * REG_FIELD_GET16(), REG_BIT16() and REG_GENMASK16().
+ *
+ * @return: @__val masked and shifted into the field defined by @__mask.
+ */
+#define REG_FIELD_PREP16(__mask, __val)                                          \
+	((u16)((((typeof(__mask))(__val) << __bf_shf(__mask)) & (__mask)) +      \
+	       BUILD_BUG_ON_ZERO(!__is_constexpr(__mask)) +             \
+	       BUILD_BUG_ON_ZERO((__mask) == 0 || (__mask) > U16_MAX) +          \
+	       BUILD_BUG_ON_ZERO(!IS_POWER_OF_2((__mask) + (1ULL << __bf_shf(__mask)))) + \
+	       BUILD_BUG_ON_ZERO(__builtin_choose_expr(__is_constexpr(__val), (~((__mask) >> __bf_shf(__mask)) & (__val)), 0))))
+
+/**
+ * REG_FIELD_PREP() - Prepare a u32 bitfield value
+ * @__mask: shifted mask defining the field's length and position
+ * @__val: value to put in the field
+ *
+ * Local copy of FIELD_PREP() to generate an integer constant expression, force
+ * u32 and for consistency with REG_FIELD_GET(), REG_BIT() and REG_GENMASK().
+ *
+ * @return: @__val masked and shifted into the field defined by @__mask.
+ */
+#define REG_FIELD_PREP(__mask, __val)						\
+	((u32)((((typeof(__mask))(__val) << __bf_shf(__mask)) & (__mask)) +	\
+	       BUILD_BUG_ON_ZERO(!__is_constexpr(__mask)) +		\
+	       BUILD_BUG_ON_ZERO((__mask) == 0 || (__mask) > U32_MAX) +		\
+	       BUILD_BUG_ON_ZERO(!IS_POWER_OF_2((__mask) + (1ULL << __bf_shf(__mask)))) + \
+	       BUILD_BUG_ON_ZERO(__builtin_choose_expr(__is_constexpr(__val), (~((__mask) >> __bf_shf(__mask)) & (__val)), 0))))
+
+/**
+ * REG_FIELD_GET8() - Extract a u8 bitfield value
+ * @__mask: shifted mask defining the field's length and position
+ * @__val: value to extract the bitfield value from
+ *
+ * Local wrapper for FIELD_GET() to force u8 and for consistency with
+ * REG_FIELD_PREP(), REG_BIT() and REG_GENMASK().
+ *
+ * @return: Masked and shifted value of the field defined by @__mask in @__val.
+ */
+#define REG_FIELD_GET8(__mask, __val)   ((u8)FIELD_GET(__mask, __val))
+
+/**
+ * REG_FIELD_GET() - Extract a u32 bitfield value
+ * @__mask: shifted mask defining the field's length and position
+ * @__val: value to extract the bitfield value from
+ *
+ * Local wrapper for FIELD_GET() to force u32 and for consistency with
+ * REG_FIELD_PREP(), REG_BIT() and REG_GENMASK().
+ *
+ * @return: Masked and shifted value of the field defined by @__mask in @__val.
+ */
+#define REG_FIELD_GET(__mask, __val)	((u32)FIELD_GET(__mask, __val))
+
+/**
+ * REG_FIELD_GET64() - Extract a u64 bitfield value
+ * @__mask: shifted mask defining the field's length and position
+ * @__val: value to extract the bitfield value from
+ *
+ * Local wrapper for FIELD_GET() to force u64 and for consistency with
+ * REG_GENMASK64().
+ *
+ * @return: Masked and shifted value of the field defined by @__mask in @__val.
+ */
+#define REG_FIELD_GET64(__mask, __val)	((u64)FIELD_GET(__mask, __val))
+
+/**
+ * REG_FIELD_MAX() - produce the maximum value representable by a field
+ * @__mask: shifted mask defining the field's length and position
+ *
+ * Local wrapper for FIELD_MAX() to return the maximum bit value that can
+ * be held in the field specified by @_mask, cast to u32 for consistency
+ * with other macros.
+ */
+#define REG_FIELD_MAX(__mask)	((u32)FIELD_MAX(__mask))
+
+#define REG_MASKED_FIELD(mask, value) \
+	(BUILD_BUG_ON_ZERO(__builtin_choose_expr(__builtin_constant_p(mask), (mask) & 0xffff0000, 0)) + \
+	 BUILD_BUG_ON_ZERO(__builtin_choose_expr(__builtin_constant_p(value), (value) & 0xffff0000, 0)) + \
+	 BUILD_BUG_ON_ZERO(__builtin_choose_expr(__builtin_constant_p(mask) && __builtin_constant_p(value), (value) & ~(mask), 0)) + \
+	 ((mask) << 16 | (value)))
+
+#define REG_MASKED_FIELD_ENABLE(a) \
+	(__builtin_choose_expr(__builtin_constant_p(a), REG_MASKED_FIELD((a), (a)), ({ typeof(a) _a = (a); REG_MASKED_FIELD(_a, _a); })))
+
+#define REG_MASKED_FIELD_DISABLE(a) \
+	(REG_MASKED_FIELD((a), 0))
+
+#endif
diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h
index bdd2e0652bc3..53edd69acb9b 100644
--- a/include/linux/iopoll.h
+++ b/include/linux/iopoll.h
@@ -159,7 +159,7 @@
  *
  * This macro does not rely on timekeeping.  Hence it is safe to call even when
  * timekeeping is suspended, at the expense of an underestimation of wall clock
- * time, which is rather minimal with a non-zero delay_us.
+ * time, which is rather minimal with a non-zero @delay_us.
  *
  * When available, you'll probably want to use one of the specialized
  * macros defined below rather than this macro directly.
@@ -167,9 +167,9 @@
  * Returns: 0 on success and -ETIMEDOUT upon a timeout. In either
  * case, the last read value at @args is stored in @val.
  */
-#define read_poll_timeout_atomic(op, val, cond, sleep_us, timeout_us, \
-				 sleep_before_read, args...) \
-	poll_timeout_us_atomic((val) = op(args), cond, sleep_us, timeout_us, sleep_before_read)
+#define read_poll_timeout_atomic(op, val, cond, delay_us, timeout_us, \
+				 delay_before_read, args...) \
+	poll_timeout_us_atomic((val) = op(args), cond, delay_us, timeout_us, delay_before_read)
 
 /**
  * readx_poll_timeout - Periodically poll an address until a condition is met or a timeout occurs
diff --git a/include/video/vga.h b/include/video/vga.h
index 468764d6727a..2f13c371800b 100644
--- a/include/video/vga.h
+++ b/include/video/vga.h
@@ -46,6 +46,7 @@
 #define VGA_MIS_R   	0x3CC	/* Misc Output Read Register */
 #define VGA_MIS_W   	0x3C2	/* Misc Output Write Register */
 #define VGA_FTC_R	0x3CA	/* Feature Control Read Register */
+#define VGA_IS0_R	0x3C2	/* Input Status Register 0 */
 #define VGA_IS1_RC  	0x3DA	/* Input Status Register 1 - color emulation */
 #define VGA_IS1_RM  	0x3BA	/* Input Status Register 1 - mono emulation */
 #define VGA_PEL_D   	0x3C9	/* PEL Data Register */