[PATCH 1/1] drm/amdgpu: Use device wedged event

[Christian König]

Am 12.12.24 um 20:09 schrieb André Almeida:
> Use DRM's device wedged event to notify userspace that a reset had
> happened. For now, only use `none` method meant for telemetry
> capture.
>
> Signed-off-by: André Almeida <andrealmeid at igalia.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 96316111300a..19e1a5493778 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -6057,6 +6057,9 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
>   		dev_info(adev->dev, "GPU reset end with ret = %d\n", r);
>   
>   	atomic_set(&adev->reset_domain->reset_res, r);
> +
> +	drm_dev_wedged_event(adev_to_drm(adev), DRM_WEDGE_RECOVERY_NONE);

That looks really good in general. I would just make the 
DRM_WEDGE_RECOVERY_NONE depend on the value of "r".

@Shashank any objections? IIRC you have worked on the AMD specific event 
we never upstreamed.

Regards,
Christian.

> +
>   	return r;
>   }
>