Re: [PATCH v3] drm/amdgpu: Trigger a wedged event for ring reset

From: Alex Deucher
Date: Mon Mar 10 2025 - 14:54:44 EST


Applied. Thanks


On Tue, Mar 4, 2025 at 4:29 AM Christian König <christian.koenig@xxxxxxx> wrote:
>
> Am 25.02.25 um 02:02 schrieb André Almeida:
> > Instead of only triggering a wedged event for complete GPU resets,
> > trigger for ring resets. Regardless of the reset, it's useful for
> > userspace to know that it happened because the kernel will reject
> > further submissions from that app.
> >
> > Signed-off-by: André Almeida <andrealmeid@xxxxxxxxxx>
>
> Reviewed-by: Christian König <christian.koenig@xxxxxxx>
>
> Sorry for the delay, have been on sick leave for nearly two weeks.
>
> Regards,
> Christian.
>
> > ---
> > v3: do only for ring resets, no soft recoveries
> > v2: Keep the wedge event in amdgpu_device_gpu_recover() and add and
> > extra check to avoid triggering two events.
> > ---
> > drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> > index 698e5799e542..760a720c842e 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
> > @@ -150,6 +150,7 @@ static enum drm_gpu_sched_stat amdgpu_job_timedout(struct drm_sched_job *s_job)
> > if (amdgpu_ring_sched_ready(ring))
> > drm_sched_start(&ring->sched, 0);
> > dev_err(adev->dev, "Ring %s reset succeeded\n", ring->sched.name);
> > + drm_dev_wedged_event(adev_to_drm(adev), DRM_WEDGE_RECOVERY_NONE);
> > goto exit;
> > }
> > dev_err(adev->dev, "Ring %s reset failure\n", ring->sched.name);
>