Am 06.03.2018 um 10:59 schrieb Emily Deng:
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.
Signed-off-by: Emily Deng
To: Deng, Emily <emily.d...@amd.com>; amd-gfx@lists.freedesktop.org
> Subject: Re: [PATCH] drm/amdgpu: Clean sdma wptr register when only
> enable wptr polling
>
> How about other sdma version? like sdma v4 etc.
>
>
> Regards,
>
> David Zhou
>
>
>
: Re: [PATCH] drm/amdgpu: Clean sdma wptr register when only enable wptr
polling
How about other sdma version? like sdma v4 etc.
Regards,
David Zhou
On 2018年03月06日 17:59, Emily Deng wrote:
> The sdma wptr polling memory is not fast enough, then the sdma
> wptr register will be random, and
How about other sdma version? like sdma v4 etc.
Regards,
David Zhou
On 2018年03月06日 17:59, Emily Deng wrote:
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
Better to add comment above the code.
Reviewed-by: Xiangliang Yu
> -Original Message-
> From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf
> Of Emily Deng
> Sent: Tuesday, March 06, 2018 5:17 PM
> To: amd-gfx@lists.freedesktop.org
> Cc: Deng,