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drm/amd/display: Add COLOR_ENCODING/COLOR_RANGE to overlay planes

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Extend COLOR_ENCODING and COLOR_RANGE property creation to overlay
planes in addition to primary planes. This allows overlay planes to
use YUV formats with proper color space configuration when the
hardware supports NV12/P010 formats.

These properties control the YUV-to-RGB conversion matrix selection
(BT.601/BT.709/BT.2020) and range handling (limited/full range).

Assisted-by: Claude: claude-sonnet-4.5
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harry Wentland 2026-01-15 14:12:46 -05:00 committed by Alex Deucher
parent 63fff55131
commit f3d3494848
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
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@ -1911,7 +1911,8 @@ int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
drm_plane_create_zpos_immutable_property(plane, 255);
}
if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
if ((plane->type == DRM_PLANE_TYPE_PRIMARY ||
plane->type == DRM_PLANE_TYPE_OVERLAY) &&
plane_cap &&
(plane_cap->pixel_format_support.nv12 ||
plane_cap->pixel_format_support.p010)) {