From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxx>
commit 087913e0ba2b3b9d7ccbafb2acf5dab9e35ae1d5 upstream.
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@xxxxxxxxxx>
Fixes: d41a39dda140 ("drm/scheduler: improve job distribution with multiple queues")
Cc: Nirmoy Das <nirmoy.das@xxxxxxx>
Cc: Christian König <christian.koenig@xxxxxxx>
Cc: Luben Tuikov <ltuikov89@xxxxxxxxx>
Cc: Matthew Brost <matthew.brost@xxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: <stable@xxxxxxxxxxxxxxx> # v5.9+
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
Reviewed-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240924101914.2713-4-tursulin@xxxxxxxxxx
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/scheduler/sched_entity.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 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 dr
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 dr
rq = entity->rq;
sched = rq->sched;
+ atomic_inc(sched->score);
drm_sched_rq_add_entity(rq, entity);
spin_unlock(&entity->rq_lock);
Patches currently in stable-queue which might be from tvrtko.ursulin@xxxxxxxxxx are
queue-6.10/drm-sched-always-increment-correct-scheduler-score.patch
queue-6.10/drm-v3d-prevent-out-of-bounds-access-in-performance-query-extensions.patch
queue-6.10/drm-sched-always-wake-up-correct-scheduler-in-drm_sched_entity_push_job.patch
queue-6.10/drm-sched-add-locking-to-drm_sched_entity_modify_sched.patch
