drm/amd/display: enable ABGR and XBGR formats (v4)

SURFACE_PIXEL_FORMAT_GRPH_ABGR8888 is supported in amd/display/dc/dc_hw_types.h
and the necessary crossbars register controls to swap red and blue channels
are already implemented in drm/amd/display/dc/dce/dce_mem_input.c

(v4) Logic to handle new formats is added only in amdgpu_dm module.

Signed-off-by: Mauro Rossi <issor.oruam@gmail.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 d8261fe..497a718 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1882,6 +1882,10 @@ static int fill_plane_attributes_from_fb(struct amdgpu_device *adev,
        case DRM_FORMAT_ABGR2101010:
                plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010;
                break;
+       case DRM_FORMAT_XBGR8888:
+       case DRM_FORMAT_ABGR8888:
+               plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR8888;
+               break;
        case DRM_FORMAT_NV21:
                plane_state->format = SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr;
                break;
@@ -3185,6 +3189,8 @@ static const uint32_t rgb_formats[] = {
        DRM_FORMAT_XBGR2101010,
        DRM_FORMAT_ARGB2101010,
        DRM_FORMAT_ABGR2101010,
+       DRM_FORMAT_XBGR8888,
+       DRM_FORMAT_ABGR8888,
 };
 
 static const uint32_t yuv_formats[] = {