diff options
| author | Roman Li <Roman.Li@amd.com> | 2019-04-25 11:02:30 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-05-24 12:20:50 -0500 |
| commit | 1894478ad1f8fd7366edc5cee49ee9caea0e3d52 (patch) | |
| tree | a3fb560a3e872bb510c54562077022ffc6224223 /drivers/gpu/drm/amd/display/amdgpu_dm | |
| parent | b2293ac23776123b896479b6a53463753c648d3b (diff) | |
| download | linux-1894478ad1f8fd7366edc5cee49ee9caea0e3d52.tar.bz2 | |
drm/amd/display: Fill plane attrs only for valid pxl format
[Why]
In fill_plane_buffer_attributes() we calculate chroma/luma
assuming that the surface_pixel_format is always valid.
If it's not the case, there's a risk of divide by zero error.
[How]
Check if format valid before calculating pixel format attributes
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: David Francis <David.Francis@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 |
1 files changed, 1 insertions, 1 deletions
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 1e8b51d21fea..c6713432935e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -2584,7 +2584,7 @@ fill_plane_buffer_attributes(struct amdgpu_device *adev, address->type = PLN_ADDR_TYPE_GRAPHICS; address->grph.addr.low_part = lower_32_bits(afb->address); address->grph.addr.high_part = upper_32_bits(afb->address); - } else { + } else if (format < SURFACE_PIXEL_FORMAT_INVALID) { uint64_t chroma_addr = afb->address + fb->offsets[1]; plane_size->video.luma_size.x = 0; |