[PATCH 1/8] drm/amd/display: Do not silently accept DCC for multiplane formats.

Silently accepting it could result in corruption.

Signed-off-by: Bas Nieuwenhuizen bas@basnieuwenhuizen.nl --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

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 f348693217d8..005331c772b7 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -3637,7 +3637,7 @@ fill_plane_dcc_attributes(struct amdgpu_device *adev, return 0;

if (format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) - return 0; + return -EINVAL;

if (!dc->cap_funcs.get_dcc_compression_cap) return -EINVAL;