[PATCH v4 08/10] drm/sched: Submit job before starting TDR

[Luben Tuikov]

Hi,

On 2023-09-19 01:01, Matthew Brost wrote:
> If the TDR is set to a value, it can fire before a job is submitted in
> drm_sched_main. The job should be always be submitted before the TDR
> fires, fix this ordering.
> 
> v2:
>   - Add to pending list before run_job, start TDR after (Luben, Boris)
> 
> Signed-off-by: Matthew Brost <matthew.brost at intel.com>
> ---
>  drivers/gpu/drm/scheduler/sched_main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
> index a5cc9b6c2faa..e8a3e6033f66 100644
> --- a/drivers/gpu/drm/scheduler/sched_main.c
> +++ b/drivers/gpu/drm/scheduler/sched_main.c
> @@ -517,7 +517,6 @@ static void drm_sched_job_begin(struct drm_sched_job *s_job)
>  
>  	spin_lock(&sched->job_list_lock);
>  	list_add_tail(&s_job->list, &sched->pending_list);
> -	drm_sched_start_timeout(sched);
>  	spin_unlock(&sched->job_list_lock);
>  }
>  
> @@ -1138,6 +1137,7 @@ static void drm_sched_run_job_work(struct work_struct *w)
>  	fence = sched->ops->run_job(sched_job);
>  	complete_all(&entity->entity_idle);
>  	drm_sched_fence_scheduled(s_fence, fence);
> +	drm_sched_start_timeout_unlocked(sched);
>  
>  	if (!IS_ERR_OR_NULL(fence)) {
>  		/* Drop for original kref_init of the fence */

No.

See Message-ID: <ed3aca10-8a9f-4698-92f4-21558fa6cfe3 at amd.com>,
and Message-ID: <8e5eab14-9e55-42c9-b6ea-02fcc591266d at amd.com>,
and Message-ID: <24bc965f-61fb-4b92-9afa-360ca85a53af at amd.com>.
-- 
Regards,
Luben