[PATCH 10/10 v2] drm/amdgpu: reduce redundant uvd context lost warning message

Christian König ckoenig.leichtzumerken at gmail.com
Wed Nov 27 10:08:13 UTC 2019


Am 27.11.19 um 11:02 schrieb Le Ma:
> Move the print out of uvd instance loop in amdgpu_uvd_suspend
>
> v2: drop unnecessary brackets
>
> Change-Id: Ifad997debd84763e1b55d668e144b729598f115e
> Signed-off-by: Le Ma <le.ma at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 10 ++++++----
>   1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> index e324bfe..69248ecb 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> @@ -376,13 +376,15 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev)
>   			return -ENOMEM;
>   
>   		/* re-write 0 since err_event_athub will corrupt VCPU buffer */
> -		if (amdgpu_ras_intr_triggered()) {
> -			DRM_WARN("UVD VCPU state may lost due to RAS ERREVENT_ATHUB_INTERRUPT\n");
> +		if (amdgpu_ras_intr_triggered())

Can the state change while doing the loop? If yes than I would rather 
grab that once and use it multiple times.

Christian.

>   			memset(adev->uvd.inst[j].saved_bo, 0, size);
> -		} else {
> +		else
>   			memcpy_fromio(adev->uvd.inst[j].saved_bo, ptr, size);
> -		}
>   	}
> +
> +	if (amdgpu_ras_intr_triggered())
> +		DRM_WARN("UVD VCPU state may lost due to RAS ERREVENT_ATHUB_INTERRUPT\n");
> +
>   	return 0;
>   }
>   



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