diff mbox series

[3/8] drm/sched: Always increment correct scheduler score

Message ID 20240909171937.51550-4-tursulin@igalia.com (mailing list archive)
State New, archived
Headers show
Series DRM scheduler fixes, or not, or incorrect kind | expand

Commit Message

Tvrtko Ursulin Sept. 9, 2024, 5:19 p.m. UTC 
From: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>

Entities run queue can change during drm_sched_entity_push_job() so make
sure to update the score consistently.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Fixes: d41a39dda140 ("drm/scheduler: improve job distribution with multiple queues")
Cc: Nirmoy Das <nirmoy.das@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Luben Tuikov <ltuikov89@gmail.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.9+
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
---
 drivers/gpu/drm/scheduler/sched_entity.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c
index 76e422548d40..6645a8524699 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);
 
 	/*
@@ -614,6 +613,7 @@  void drm_sched_entity_push_job(struct drm_sched_job *sched_job)
 		rq = entity->rq;
 		sched = rq->sched;
 
+		atomic_inc(sched->score);
 		drm_sched_rq_add_entity(rq, entity);
 		spin_unlock(&entity->rq_lock);