Re: [PATCH v3 01/11] drm/amd/display: Do not silently accept DCC for multiplane formats.

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On 2020-10-21 7:31 p.m., Bas Nieuwenhuizen wrote:
Silently accepting it could result in corruption.

Signed-off-by: Bas Nieuwenhuizen <bas@xxxxxxxxxxxxxxxxxxx>

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>

---
  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 2713caac4f2a..73987fdb6a09 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3908,7 +3908,7 @@ 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;


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