Cc: Deng, Emily
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 load driver, so clean up the sdma
Reviewed-by: Xiangliang Yu
> -Original Message-
> From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf
> Of Emily Deng
> Sent: Wednesday, March 07, 2018 9:52 AM
> To: amd-gfx@lists.freedesktop.org
> Cc: Deng, Emily
> Subject: [PATCH v2] drm/am
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: E