drm/i915: stop including display/intel_display_{core, limits}.h from i915_drv.h

Make i915->display pointer opaque to most of core i915 driver. Lots of
places now need explicit include of intel_display_core.h, or a more
specific header.

With this dependency broken, changes in display should cause radically
less recompilation of i915.

Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Link: https://lore.kernel.org/r/b381b59acb7e4f600e0282935a68aedf77768109.1747907216.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/display/intel_bios.c

@@ -37,6 +37,7 @@
 
 #include "i915_drv.h"
 #include "intel_display.h"
+#include "intel_display_core.h"
 #include "intel_display_rpm.h"
 #include "intel_display_types.h"
 #include "intel_gmbus.h"

drivers/gpu/drm/i915/display/intel_display_conversion.c

@@ -2,6 +2,7 @@
 /* Copyright © 2024 Intel Corporation */
 
 #include "i915_drv.h"
+#include "intel_display_conversion.h"
 
 struct intel_display *__i915_to_display(struct drm_i915_private *i915)
 {

drivers/gpu/drm/i915/display/intel_display_driver.c

@@ -27,6 +27,7 @@
 #include "intel_cdclk.h"
 #include "intel_color.h"
 #include "intel_crtc.h"
+#include "intel_display_core.h"
 #include "intel_display_debugfs.h"
 #include "intel_display_driver.h"
 #include "intel_display_irq.h"

drivers/gpu/drm/i915/display/intel_display_reset.c

@@ -8,6 +8,7 @@
 #include "i915_drv.h"
 #include "intel_clock_gating.h"
 #include "intel_cx0_phy.h"
+#include "intel_display_core.h"
 #include "intel_display_driver.h"
 #include "intel_display_reset.h"
 #include "intel_display_types.h"

drivers/gpu/drm/i915/display/intel_display_rpm.c

@@ -2,6 +2,7 @@
 /* Copyright © 2025 Intel Corporation */
 
 #include "i915_drv.h"
+#include "intel_display_core.h"
 #include "intel_display_rpm.h"
 #include "intel_runtime_pm.h"
 

drivers/gpu/drm/i915/display/intel_display_rps.c

@@ -9,6 +9,7 @@
 #include "gt/intel_rps.h"
 #include "i915_drv.h"
 #include "i915_reg.h"
+#include "intel_display_core.h"
 #include "intel_display_irq.h"
 #include "intel_display_rps.h"
 #include "intel_display_types.h"

drivers/gpu/drm/i915/display/intel_dpt.c

@@ -9,6 +9,7 @@
 #include "gt/gen8_ppgtt.h"
 
 #include "i915_drv.h"
+#include "intel_display_core.h"
 #include "intel_display_rpm.h"
 #include "intel_display_types.h"
 #include "intel_dpt.h"

drivers/gpu/drm/i915/display/intel_encoder.c

@@ -6,7 +6,7 @@
 #include <linux/workqueue.h>
 
 #include "i915_drv.h"
-
+#include "intel_display_core.h"
 #include "intel_display_types.h"
 #include "intel_encoder.h"
 

drivers/gpu/drm/i915/display/intel_fb.c

@@ -14,6 +14,7 @@
 #include "intel_atomic_plane.h"
 #include "intel_bo.h"
 #include "intel_display.h"
+#include "intel_display_core.h"
 #include "intel_display_types.h"
 #include "intel_dpt.h"
 #include "intel_fb.h"

drivers/gpu/drm/i915/display/intel_fb_bo.c

@@ -8,6 +8,7 @@
 #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"

drivers/gpu/drm/i915/display/intel_fb_pin.c

@@ -12,6 +12,7 @@
 
 #include "i915_drv.h"
 #include "intel_atomic_plane.h"
+#include "intel_display_core.h"
 #include "intel_display_rpm.h"
 #include "intel_display_types.h"
 #include "intel_dpt.h"

drivers/gpu/drm/i915/display/intel_fbdev_fb.c

@@ -8,6 +8,7 @@
 #include "gem/i915_gem_lmem.h"
 
 #include "i915_drv.h"
+#include "intel_display_core.h"
 #include "intel_display_types.h"
 #include "intel_fb.h"
 #include "intel_fbdev_fb.h"

drivers/gpu/drm/i915/display/intel_hotplug.c

@@ -30,6 +30,7 @@
 #include "i915_irq.h"
 #include "intel_connector.h"
 #include "intel_display_power.h"
+#include "intel_display_core.h"
 #include "intel_display_rpm.h"
 #include "intel_display_types.h"
 #include "intel_hdcp.h"

drivers/gpu/drm/i915/display/intel_opregion.c

@@ -35,6 +35,7 @@
 #include "i915_drv.h"
 #include "intel_acpi.h"
 #include "intel_backlight.h"
+#include "intel_display_core.h"
 #include "intel_display_types.h"
 #include "intel_opregion.h"
 #include "intel_pci_config.h"

drivers/gpu/drm/i915/display/intel_plane_initial.c

@@ -9,6 +9,7 @@
 #include "intel_atomic_plane.h"
 #include "intel_crtc.h"
 #include "intel_display.h"
+#include "intel_display_core.h"
 #include "intel_display_types.h"
 #include "intel_fb.h"
 #include "intel_frontbuffer.h"

drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c

@@ -5,6 +5,7 @@
 
 #include "i915_selftest.h"
 
+#include "display/intel_display_core.h"
 #include "gt/intel_context.h"
 #include "gt/intel_engine_regs.h"
 #include "gt/intel_engine_user.h"

drivers/gpu/drm/i915/gt/intel_gt_pm.c

@@ -6,6 +6,8 @@
 #include <linux/string_helpers.h>
 #include <linux/suspend.h>
 
+#include "display/intel_display_power.h"
+
 #include "i915_drv.h"
 #include "i915_irq.h"
 #include "i915_params.h"

drivers/gpu/drm/i915/gvt/cmd_parser.c

@@ -50,6 +50,7 @@
 #include "trace.h"
 
 #include "display/i9xx_plane_regs.h"
+#include "display/intel_display_core.h"
 #include "display/intel_sprite_regs.h"
 #include "gem/i915_gem_context.h"
 #include "gem/i915_gem_pm.h"

drivers/gpu/drm/i915/gvt/display.c

@@ -43,6 +43,7 @@
 #include "display/intel_crt_regs.h"
 #include "display/intel_cursor_regs.h"
 #include "display/intel_display.h"
+#include "display/intel_display_core.h"
 #include "display/intel_dpio_phy.h"
 #include "display/intel_sprite_regs.h"
 

drivers/gpu/drm/i915/gvt/edid.c

@@ -35,6 +35,7 @@
 #include <drm/display/drm_dp.h>
 
 #include "display/intel_dp_aux_regs.h"
+#include "display/intel_gmbus.h"
 #include "display/intel_gmbus_regs.h"
 #include "gvt.h"
 #include "i915_drv.h"

drivers/gpu/drm/i915/gvt/fb_decoder.c

@@ -42,6 +42,7 @@
 
 #include "display/i9xx_plane_regs.h"
 #include "display/intel_cursor_regs.h"
+#include "display/intel_display_core.h"
 #include "display/intel_sprite_regs.h"
 #include "display/skl_universal_plane_regs.h"
 

drivers/gpu/drm/i915/gvt/handlers.c

@@ -47,6 +47,7 @@
 #include "display/i9xx_plane_regs.h"
 #include "display/intel_crt_regs.h"
 #include "display/intel_cursor_regs.h"
+#include "display/intel_display_core.h"
 #include "display/intel_display_types.h"
 #include "display/intel_dmc_regs.h"
 #include "display/intel_dp_aux_regs.h"

drivers/gpu/drm/i915/i915_driver.c

@@ -51,6 +51,7 @@
 #include "display/intel_bw.h"
 #include "display/intel_cdclk.h"
 #include "display/intel_crtc.h"
+#include "display/intel_display_core.h"
 #include "display/intel_display_driver.h"
 #include "display/intel_dmc.h"
 #include "display/intel_dp.h"
@@ -58,6 +59,7 @@
 #include "display/intel_encoder.h"
 #include "display/intel_fbdev.h"
 #include "display/intel_hotplug.h"
+#include "display/intel_opregion.h"
 #include "display/intel_overlay.h"
 #include "display/intel_pch_refclk.h"
 #include "display/intel_pps.h"

drivers/gpu/drm/i915/i915_drv.h

@@ -32,13 +32,11 @@
 
 #include <uapi/drm/i915_drm.h>
 
+#include <linux/pci.h>
 #include <linux/pm_qos.h>
 
 #include <drm/ttm/ttm_device.h>
 
-#include "display/intel_display_limits.h"
-#include "display/intel_display_core.h"
-
 #include "gem/i915_gem_context_types.h"
 #include "gem/i915_gem_shrinker.h"
 #include "gem/i915_gem_stolen.h"
@@ -63,8 +61,9 @@
 #include "intel_uncore.h"
 
 struct drm_i915_clock_gating_funcs;
-struct vlv_s0ix_state;
+struct intel_display;
 struct intel_pxp;
+struct vlv_s0ix_state;
 
 #define GEM_QUIRK_PIN_SWIZZLED_PAGES	BIT(0)
 

drivers/gpu/drm/i915/i915_irq.c

@@ -33,6 +33,7 @@
 
 #include <drm/drm_drv.h>
 
+#include "display/intel_display_core.h"
 #include "display/intel_display_irq.h"
 #include "display/intel_hotplug.h"
 #include "display/intel_hotplug_irq.h"

drivers/gpu/drm/i915/i915_switcheroo.c

@@ -5,6 +5,8 @@
 
 #include <linux/vga_switcheroo.h>
 
+#include "display/intel_display_core.h"
+
 #include "i915_driver.h"
 #include "i915_drv.h"
 #include "i915_switcheroo.h"

drivers/gpu/drm/i915/intel_clock_gating.c

@@ -27,6 +27,7 @@
 
 #include "display/i9xx_plane_regs.h"
 #include "display/intel_display.h"
+#include "display/intel_display_core.h"
 
 #include "gt/intel_engine_regs.h"
 #include "gt/intel_gt.h"

drivers/gpu/drm/i915/intel_gvt_mmio_table.c

@@ -11,6 +11,7 @@
 #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_types.h"
 #include "display/intel_dmc_regs.h"
 #include "display/intel_dp_aux_regs.h"

drivers/gpu/drm/i915/intel_uncore.c

@@ -24,6 +24,8 @@
 #include <drm/drm_managed.h>
 #include <linux/pm_runtime.h>
 
+#include "display/intel_display_core.h"
+
 #include "gt/intel_gt.h"
 #include "gt/intel_engine_regs.h"
 #include "gt/intel_gt_regs.h"

drivers/gpu/drm/i915/selftests/mock_gem_device.c

@@ -28,6 +28,8 @@
 
 #include <drm/drm_managed.h>
 
+#include "display/intel_display_device.h"
+
 #include "gt/intel_gt.h"
 #include "gt/intel_gt_requests.h"
 #include "gt/mock_engine.h"

drivers/gpu/drm/i915/soc/intel_dram.c

@@ -5,6 +5,8 @@
 
 #include <linux/string_helpers.h>
 
+#include "../display/intel_display_core.h" /* FIXME */
+
 #include "i915_drv.h"
 #include "i915_reg.h"
 #include "intel_dram.h"

drivers/gpu/drm/i915/soc/intel_gmch.c

@@ -10,6 +10,8 @@
 #include <drm/drm_managed.h>
 #include <drm/intel/i915_drm.h>
 
+#include "../display/intel_display_core.h" /* FIXME */
+
 #include "i915_drv.h"
 #include "intel_gmch.h"
 #include "intel_pci_config.h"