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drm/amdgpu: ignore scheduler fences from the same entity 

We are going to submit them before the job anyway.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
hifive-unleashed-5.1
Christian König 2015-10-27 17:00:17 +01:00 committed by Alex Deucher
parent 6bd53c4125
commit fe537d003f
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
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@ -222,6 +222,12 @@ amd_sched_entity_pop_job(struct amd_sched_entity *entity)
while ((entity->dependency = sched->ops->dependency(sched_job))) {
if (entity->dependency->context == entity->fence_context) {
/* We can ignore fences from ourself */
fence_put(entity->dependency);
continue;
}
if (fence_add_callback(entity->dependency, &entity->cb,
amd_sched_entity_wakeup))
fence_put(entity->dependency);