[PATCH] drm/sched: revert "fix timeout handling v2"

Alex Deucher alexdeucher at gmail.com
Fri Nov 23 21:12:32 UTC 2018


On Thu, Nov 22, 2018 at 5:58 AM Christian König
<ckoenig.leichtzumerken at gmail.com> wrote:
>
> This reverts commit 0efd2d2f68cd5dbddf4ecd974c33133257d16a8e.
>
> It's still causing problems for V3D.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>

Acked-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/scheduler/sched_main.c | 31 +------------------------------
>  1 file changed, 1 insertion(+), 30 deletions(-)
>
> diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
> index 18ebbb05762e..f0ab4e97ec3e 100644
> --- a/drivers/gpu/drm/scheduler/sched_main.c
> +++ b/drivers/gpu/drm/scheduler/sched_main.c
> @@ -261,42 +261,13 @@ static void drm_sched_job_timedout(struct work_struct *work)
>  {
>         struct drm_gpu_scheduler *sched;
>         struct drm_sched_job *job;
> -       int r;
>
>         sched = container_of(work, struct drm_gpu_scheduler, work_tdr.work);
> -
> -       spin_lock(&sched->job_list_lock);
> -       list_for_each_entry_reverse(job, &sched->ring_mirror_list, node) {
> -               struct drm_sched_fence *fence = job->s_fence;
> -
> -               if (!dma_fence_remove_callback(fence->parent, &fence->cb))
> -                       goto already_signaled;
> -       }
> -
>         job = list_first_entry_or_null(&sched->ring_mirror_list,
>                                        struct drm_sched_job, node);
> -       spin_unlock(&sched->job_list_lock);
>
>         if (job)
> -               sched->ops->timedout_job(job);
> -
> -       spin_lock(&sched->job_list_lock);
> -       list_for_each_entry(job, &sched->ring_mirror_list, node) {
> -               struct drm_sched_fence *fence = job->s_fence;
> -
> -               if (!fence->parent || !list_empty(&fence->cb.node))
> -                       continue;
> -
> -               r = dma_fence_add_callback(fence->parent, &fence->cb,
> -                                          drm_sched_process_job);
> -               if (r)
> -                       drm_sched_process_job(fence->parent, &fence->cb);
> -
> -already_signaled:
> -               ;
> -       }
> -       drm_sched_start_timeout(sched);
> -       spin_unlock(&sched->job_list_lock);
> +               job->sched->ops->timedout_job(job);
>  }
>
>  /**
> --
> 2.14.1
>
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