[PATCH v2] drm/amdgpu: introduce new amdgpu_fence object to indicate the job embedded fence

[Andrey Grodzovsky]

On 2021-12-14 12:03 p.m., Andrey Grodzovsky wrote:
>> -
>> -    if (job != NULL) {
>> -        /* mark this fence has a parent job */
>> -        set_bit(AMDGPU_FENCE_FLAG_EMBED_IN_JOB_BIT, &fence->flags);
>> +        if (job)
>> +            dma_fence_init(fence, &amdgpu_job_fence_ops,
>> +                       &ring->fence_drv.lock,
>> +                       adev->fence_context + ring->idx, seq);
>> +        else
>> +            dma_fence_init(fence, &amdgpu_fence_ops,
>> +                       &ring->fence_drv.lock,
>> +                       adev->fence_context + ring->idx, seq);
>>       }
>
>
> It's probably me missing something but why can't we just move setting 
> of AMDGPU_FENCE_FLAG_EMBED_IN_JOB_BIT
> to before dma_fence_init here or even into amdgpu_job_alloc instead of 
> all the refactoring ?
>
> Andrey 


My bad, I see now that dma_fence_init just overrides flags to 0 and 
immediately call the trace .
But why then can't we add dma_fence_init_with_flags wrapper to dma-fence ?

Andrey

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