ay, March 07, 2018 9:52 AM
To: amd-gfx@lists.freedesktop.org
Cc: Deng, Emily <emily.d...@amd.com>
Subject: [PATCH v2] drm/amdgpu: Clean sdma wptr register when only
enable wptr polling
The sdma wptr polling memory is not fast enough, then the sdma wptr
register will be random, and not equal t
ily.d...@amd.com>
> Subject: [PATCH v2] drm/amdgpu: Clean sdma wptr register when only
> enable wptr polling
>
> The sdma wptr polling memory is not fast enough, then the sdma wptr
> register will be random, and not equal to sdma rptr, which will cause sdma
> engine hang when
The sdma wptr polling memory is not fast enough, then the sdma
wptr register will be random, and not equal to sdma rptr, which
will cause sdma engine hang when load driver, so clean up the sdma
wptr directly to fix this issue.
v2:add comment above the code and correct coding style
Signed-off-by:
