6.10-stable review patch. If anyone has any objections, please let me know.
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From: Tvrtko Ursulin tvrtko.ursulin@igalia.com
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@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 Link: https://patchwork.freedesktop.org/patch/msgid/20240924101914.2713-4-tursulin... Signed-off-by: Christian König christian.koenig@amd.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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);