drm/i915/display: Add i915 hook for format_mod_supported_async

Hook up the newly added plane function pointer
format_mod_supported_async to populate the modifiers/formats supported
by asynchronous flips.

v5: Correct the if condition for modifier support check (Chaitanya)
v6: Replace uint32_t/uint64_t with u32/u64 (Jani)
v7: Move plannar check from intel_async_flip_check_hw() to
intel_plane_format_mod_supported_async() (Ville)
v8: In case of error print format/modifier (Chaitanya)
v9: Exclude C8 format as its not supported by hardware
v10: filter only planar formats
     move changes in can_async_flip to new patch (Ville)

Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/20250407-asyn-v13-4-b93ef83076c5@intel.com

Author: armurthy

drivers/gpu/drm/i915/display/i9xx_plane.c

@@ -897,6 +897,7 @@ static const struct drm_plane_funcs i965_plane_funcs = {
 	.atomic_duplicate_state = intel_plane_duplicate_state,
 	.atomic_destroy_state = intel_plane_destroy_state,
 	.format_mod_supported = i965_plane_format_mod_supported,
+	.format_mod_supported_async = intel_plane_format_mod_supported_async,
 };
 
 static const struct drm_plane_funcs i8xx_plane_funcs = {
@@ -906,6 +907,7 @@ static const struct drm_plane_funcs i8xx_plane_funcs = {
 	.atomic_duplicate_state = intel_plane_duplicate_state,
 	.atomic_destroy_state = intel_plane_destroy_state,
 	.format_mod_supported = i8xx_plane_format_mod_supported,
+	.format_mod_supported_async = intel_plane_format_mod_supported_async,
 };
 
 struct intel_plane *

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

@@ -183,6 +183,17 @@ bool intel_plane_can_async_flip(struct intel_plane *plane, u32 format,
 	return plane->can_async_flip && plane->can_async_flip(modifier);
 }
 
+bool intel_plane_format_mod_supported_async(struct drm_plane *plane,
+					    u32 format,
+					    u64 modifier)
+{
+	if (!plane->funcs->format_mod_supported(plane, format, modifier))
+		return false;
+
+	return intel_plane_can_async_flip(to_intel_plane(plane),
+					format, modifier);
+}
+
 unsigned int intel_adjusted_rate(const struct drm_rect *src,
 				 const struct drm_rect *dst,
 				 unsigned int rate)

drivers/gpu/drm/i915/display/intel_atomic_plane.h

@@ -90,5 +90,8 @@ int intel_atomic_add_affected_planes(struct intel_atomic_state *state,
 int intel_atomic_check_planes(struct intel_atomic_state *state);
 
 u32 intel_plane_ggtt_offset(const struct intel_plane_state *plane_state);
+bool intel_plane_format_mod_supported_async(struct drm_plane *plane,
+					    u32 format,
+					    u64 modifier);
 
 #endif /* __INTEL_ATOMIC_PLANE_H__ */

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

@@ -2666,6 +2666,7 @@ static const struct drm_plane_funcs skl_plane_funcs = {
 	.atomic_duplicate_state = intel_plane_duplicate_state,
 	.atomic_destroy_state = intel_plane_destroy_state,
 	.format_mod_supported = skl_plane_format_mod_supported,
+	.format_mod_supported_async = intel_plane_format_mod_supported_async,
 };
 
 static const struct drm_plane_funcs icl_plane_funcs = {
@@ -2675,6 +2676,7 @@ static const struct drm_plane_funcs icl_plane_funcs = {
 	.atomic_duplicate_state = intel_plane_duplicate_state,
 	.atomic_destroy_state = intel_plane_destroy_state,
 	.format_mod_supported = icl_plane_format_mod_supported,
+	.format_mod_supported_async = intel_plane_format_mod_supported_async,
 };
 
 static const struct drm_plane_funcs tgl_plane_funcs = {
@@ -2684,6 +2686,7 @@ static const struct drm_plane_funcs tgl_plane_funcs = {
 	.atomic_duplicate_state = intel_plane_duplicate_state,
 	.atomic_destroy_state = intel_plane_destroy_state,
 	.format_mod_supported = tgl_plane_format_mod_supported,
+	.format_mod_supported_async = intel_plane_format_mod_supported_async,
 };
 
 static void