[PATCH 1/4] drm/amdgpu: Introduce gfx software ring(v3)

[Andrey Grodzovsky]

I guess, but this is kind of implicit assumption which is not really 
documented and easily overlooked.
Anyway - for this code it's not directly relevant.

Andrey


On 2022-09-13 03:25, Christian König wrote:
> Am 13.09.22 um 04:00 schrieb Andrey Grodzovsky:
>>
>> [SNIP]
>>
>> You are right for scheduler mediated submissions (executing through 
>> drm_sched_backend_ops.run_job hook) , I am talking about direct 
>> submissions without gpu scheduler (using amdgpu_job_submit_direct)
>>
>> Andrey
>
> Direct submission is only used while initially testing the hardware, 
> during a GPU reset/recovery or for handling page faults with the SDMA.
>
> In other words when we know that we have exclusive access to the 
> hardware.
>
> Christian.