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drm/sched: select new rq even if there is only one v3

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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@amd.com>
Reviewed-by: Sonny Jiang <sonny.jiang@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210305125155.2312-1-christian.koenig@amd.com
This commit is contained in:
Christian König 2021-02-20 09:50:42 +01:00
parent a9cdf68092
commit ac4eb83ab2
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/scheduler/sched_entity.c
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@ -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;
}
/**