Re: [PATCH v6 1/2] drm/amd: validate user pitch alignment

[Michel DÃnzer]

On 2019-01-07 11:51 p.m., Yu Zhao wrote:
> Userspace may request pitch alignment that is not supported by GPU.
> Some requests 32, but GPU ignores it and uses default 64 when cpp is
> 4. If GEM object is allocated based on the smaller alignment, GPU
> DMA will go out of bound.
> 
> Cc: stable@xxxxxxxxxxxxxxx # v4.2+
> Signed-off-by: Yu Zhao <yuzhao@xxxxxxxxxx>

Both patches applied to amd-staging-drm-next (should land in 5.0), thanks!


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Earthling Michel DÃnzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer