On 9/6/2024 8:06 PM, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <[email protected]>
>
> Entities run queue can change during drm_sched_entity_push_job() so make
> sure to update the score consistently.
>
> Signed-off-by: Tvrtko Ursulin <[email protected]>
> Fixes: d41a39dda140 ("drm/scheduler: improve job distribution with multiple
> queues")
> Cc: Nirmoy Das <[email protected]>
> Cc: Christian König <[email protected]>
> Cc: Luben Tuikov <[email protected]>
> Cc: Matthew Brost <[email protected]>
> Cc: David Airlie <[email protected]>
> Cc: Daniel Vetter <[email protected]>
> Cc: [email protected]
> Cc: <[email protected]> # v5.9+
Reviewed-by: Nirmoy Das <[email protected]>
> ---
> drivers/gpu/drm/scheduler/sched_entity.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/scheduler/sched_entity.c
> b/drivers/gpu/drm/scheduler/sched_entity.c
> index 62b07ef7630a..2a910c1df072 100644
> --- a/drivers/gpu/drm/scheduler/sched_entity.c
> +++ b/drivers/gpu/drm/scheduler/sched_entity.c
> @@ -586,7 +586,6 @@ void drm_sched_entity_push_job(struct drm_sched_job
> *sched_job)
> ktime_t submit_ts;
>
> trace_drm_sched_job(sched_job, entity);
> - atomic_inc(entity->rq->sched->score);
> WRITE_ONCE(entity->last_user, current->group_leader);
>
> /*
> @@ -612,6 +611,7 @@ void drm_sched_entity_push_job(struct drm_sched_job
> *sched_job)
>
> rq = entity->rq;
>
> + atomic_inc(rq->sched->score);
> drm_sched_rq_add_entity(rq, entity);
> spin_unlock(&entity->rq_lock);
>
