diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index fe024250d350..ebefa889bc8c 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -5285,7 +5285,7 @@ void intel_ddi_init(struct intel_display *display,
 	if (HAS_LT_PHY(display)) {
 		encoder->enable_clock = intel_mtl_pll_enable_clock;
 		encoder->disable_clock = intel_mtl_pll_disable_clock;
-		encoder->port_pll_type = intel_mtl_port_pll_type;
+		encoder->port_pll_type = icl_ddi_tc_port_pll_type;
 		if (intel_encoder_is_tc(encoder))
 			encoder->get_config = mtl_ddi_tc_phy_get_config;
 		else
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index dfc28af1ef88..10b6c6fcb03f 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -5063,23 +5063,6 @@ static bool allow_vblank_delay_fastset(const struct intel_crtc_state *old_crtc_s
 	       !intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DSI);
 }
 
-static void
-pipe_config_lt_phy_pll_mismatch(struct drm_printer *p, bool fastset,
-				const struct intel_crtc *crtc,
-				const char *name,
-				const struct intel_lt_phy_pll_state *a,
-				const struct intel_lt_phy_pll_state *b)
-{
-	char *chipname = "LTPHY";
-
-	pipe_config_mismatch(p, fastset, crtc, name, chipname);
-
-	drm_printf(p, "expected:\n");
-	intel_lt_phy_dump_hw_state(p, a);
-	drm_printf(p, "found:\n");
-	intel_lt_phy_dump_hw_state(p, b);
-}
-
 bool
 intel_pipe_config_compare(const struct intel_crtc_state *current_config,
 			  const struct intel_crtc_state *pipe_config,
@@ -5194,16 +5177,6 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
 	} \
 } while (0)
 
-#define PIPE_CONF_CHECK_PLL_LT(name) do { \
-	if (!intel_lt_phy_pll_compare_hw_state(&current_config->name, \
-					       &pipe_config->name)) { \
-		pipe_config_lt_phy_pll_mismatch(&p, fastset, crtc, __stringify(name), \
-						&current_config->name, \
-						&pipe_config->name); \
-		ret = false; \
-	} \
-} while (0)
-
 #define PIPE_CONF_CHECK_TIMINGS(name) do {     \
 	PIPE_CONF_CHECK_I(name.crtc_hdisplay); \
 	PIPE_CONF_CHECK_I(name.crtc_htotal); \
@@ -5430,10 +5403,6 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
 	if (display->dpll.mgr || HAS_GMCH(display))
 		PIPE_CONF_CHECK_PLL(dpll_hw_state);
 
-	/* FIXME convert MTL+ platforms over to dpll_mgr */
-	if (HAS_LT_PHY(display))
-		PIPE_CONF_CHECK_PLL_LT(dpll_hw_state.ltpll);
-
 	PIPE_CONF_CHECK_X(dsi_pll.ctrl);
 	PIPE_CONF_CHECK_X(dsi_pll.div);
 
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index 421767dd8367..f5d4f7146fbc 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -4724,7 +4724,6 @@ static bool xe3plpd_compare_hw_state(const struct intel_dpll_hw_state *_a,
 	return intel_lt_phy_pll_compare_hw_state(a, b);
 }
 
-__maybe_unused
 static const struct intel_dpll_mgr xe3plpd_pll_mgr = {
 	.dpll_info = xe3plpd_plls,
 	.compute_dplls = xe3plpd_compute_dplls,
@@ -4750,9 +4749,11 @@ void intel_dpll_init(struct intel_display *display)
 
 	mutex_init(&display->dpll.lock);
 
-	if (DISPLAY_VER(display) >= 35 || display->platform.dg2)
-		/* No shared DPLLs on NVL or DG2; port PLLs are part of the PHY */
+	if (display->platform.dg2)
+		/* No shared DPLLs on DG2; port PLLs are part of the PHY */
 		dpll_mgr = NULL;
+	else if (DISPLAY_VER(display) >= 35)
+		dpll_mgr = &xe3plpd_pll_mgr;
 	else if (DISPLAY_VER(display) >= 14)
 		dpll_mgr = &mtl_pll_mgr;
 	else if (display->platform.alderlake_p)
diff --git a/drivers/gpu/drm/i915/display/intel_lt_phy.c b/drivers/gpu/drm/i915/display/intel_lt_phy.c
index 5bbbc6182861..657ad5cb0eff 100644
--- a/drivers/gpu/drm/i915/display/intel_lt_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_lt_phy.c
@@ -11,6 +11,7 @@
 #include "intel_ddi_buf_trans.h"
 #include "intel_de.h"
 #include "intel_display.h"
+#include "intel_display_regs.h"
 #include "intel_display_types.h"
 #include "intel_display_utils.h"
 #include "intel_dpll.h"