|
[AMD Official Use Only - Internal Distribution Only]
Reviewed-by: Sonny Jiang <sonny.jiang@xxxxxxx>
From: Christian König <ckoenig.leichtzumerken@xxxxxxxxx>
Sent: Friday, March 5, 2021 7:51 AM To: dri-devel@xxxxxxxxxxxxxxxxxxxxx <dri-devel@xxxxxxxxxxxxxxxxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Liu, Leo <Leo.Liu@xxxxxxx>; Jiang, Sonny <Sonny.Jiang@xxxxxxx> Subject: [PATCH 1/2] drm/sched: select new rq even if there is only one v3 This is necessary when changing priorities of an entity.
v2: test the sched_list instead of num_sched. v3: set the sched_list to NULL when there is only one entry Signed-off-by: Christian König <christian.koenig@xxxxxxx> --- drivers/gpu/drm/scheduler/sched_entity.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c index 92d965b629c6..f0790e9471d1 100644 --- a/drivers/gpu/drm/scheduler/sched_entity.c +++ b/drivers/gpu/drm/scheduler/sched_entity.c @@ -453,7 +453,7 @@ void drm_sched_entity_select_rq(struct drm_sched_entity *entity) struct drm_gpu_scheduler *sched; struct drm_sched_rq *rq; - if (spsc_queue_count(&entity->job_queue) || entity->num_sched_list <= 1) + if (spsc_queue_count(&entity->job_queue) || !entity->sched_list) return; fence = READ_ONCE(entity->last_scheduled); @@ -467,8 +467,10 @@ void drm_sched_entity_select_rq(struct drm_sched_entity *entity) drm_sched_rq_remove_entity(entity->rq, entity); entity->rq = rq; } - spin_unlock(&entity->rq_lock); + + if (entity->num_sched_list == 1) + entity->sched_list = NULL; } /** -- 2.25.1 |
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