drm/amd/display: Add DRM color properties for primary planes

[Why]
We need DC's color space to match the color encoding and color space
specified by userspace to correctly render YUV surfaces.

[How]
Add the DRM color properties when the DC plane supports NV12.

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index dfc28b7433bf42f72a71a8bcf909499dfc338e51..89d30eeea05748de40971b156f154aadd2e58d37 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4195,6 +4195,18 @@ static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
                drm_plane_create_blend_mode_property(plane, blend_caps);
        }
 
+       if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
+           plane_cap && plane_cap->supports_nv12) {
+               /* This only affects YUV formats. */
+               drm_plane_create_color_properties(
+                       plane,
+                       BIT(DRM_COLOR_YCBCR_BT601) |
+                       BIT(DRM_COLOR_YCBCR_BT709),
+                       BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
+                       BIT(DRM_COLOR_YCBCR_FULL_RANGE),
+                       DRM_COLOR_YCBCR_BT709, DRM_COLOR_YCBCR_LIMITED_RANGE);
+       }
+
        drm_plane_helper_add(plane, &dm_plane_helper_funcs);
 
        /* Create (reset) the plane state */