[PATCH v3 1/1] drm/amdgpu: Use device wedged event

[Christian König]

Am 16.12.24 um 17:21 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.
>
> In the future we might want to report a recovery method if the reset didn't
> succeed.
>
> Acked-by: Shashank Sharma <shashank.sharma at amd.com>
> Signed-off-by: André Almeida <andrealmeid at igalia.com>

Yeah that makes more sense, Reviewed-by: Christian König 
<christian.koenig at amd.com>

> ---
> v3: fix if condition
> v2: Only report reset if reset succedded
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 96316111300a..c8012253ebed 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -6057,6 +6057,10 @@ 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);
> +
> +	if (!r)
> +		drm_dev_wedged_event(adev_to_drm(adev), DRM_WEDGE_RECOVERY_NONE);
> +
>   	return r;
>   }
>