Re: [PATCH] drm/amdgpu: add a workaround for GDS ordered append hangs with compute queues

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On Mon, Feb 4, 2019 at 11:09 AM Koenig, Christian
<Christian.Koenig@xxxxxxx> wrote:
>
> Am 04.02.19 um 16:55 schrieb Marek Olšák:
>
> On Mon, Feb 4, 2019 at 7:42 AM Christian König <ckoenig.leichtzumerken@xxxxxxxxx> wrote:
>>
>> At least from coding style, backward compatibility etc.. this looks sane to me, so feel free to add an Acked-by.
>>
>> But I absolutely can't judge if that is correct from the hardware point of view or not.
>
>
> Our GDS docs say that writing the register resets the wave counter.
>
>>
>>
>> And I think that somebody else looking at this is mandatory for it to be committed.
>
>
> There won't be anybody else. Nobody here really understands GDS, nobody here really cares about GDS, and hw guys weren't helpful with the hangs. If I didn't discover this by luck, GDS OA would be unusable on Linux.
>
>
> Great, as long as Alex is ok with this feel free to go ahead.

Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>

>
> Christian.
>
>
> Marek
>
>
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