drm/scheduler: do not keep a copy of sched list (8c23056b) · Commits · 戴 / test

drivers/gpu/drm/scheduler/sched_entity.c

+4 −15

Original line number	Diff line number	Diff line
		@@ -56,8 +56,6 @@ int drm_sched_entity_init(struct drm_sched_entity *entity,
		unsigned int num_sched_list,
		atomic_t *guilty)
		{
		int i;

		if (!(entity && sched_list && (num_sched_list == 0 \|\| sched_list[0])))
		return -EINVAL;

		@@ -67,21 +65,13 @@ int drm_sched_entity_init(struct drm_sched_entity *entity,
		entity->guilty = guilty;
		entity->num_sched_list = num_sched_list;
		entity->priority = priority;
		entity->sched_list = kcalloc(num_sched_list,
		sizeof(struct drm_gpu_scheduler *), GFP_KERNEL);

		if(!entity->sched_list)
		return -ENOMEM;

		init_completion(&entity->entity_idle);

		for (i = 0; i < num_sched_list; i++)
		entity->sched_list[i] = sched_list[i];
		entity->sched_list = num_sched_list > 1 ? sched_list : NULL;
		entity->last_scheduled = NULL;

		if(num_sched_list)
		entity->rq = &entity->sched_list[0]->sched_rq[entity->priority];
		entity->rq = &sched_list[0]->sched_rq[entity->priority];

		entity->last_scheduled = NULL;
		init_completion(&entity->entity_idle);

		spin_lock_init(&entity->rq_lock);
		spsc_queue_init(&entity->job_queue);
		@@ -312,7 +302,6 @@ void drm_sched_entity_fini(struct drm_sched_entity *entity)

		dma_fence_put(entity->last_scheduled);
		entity->last_scheduled = NULL;
		kfree(entity->sched_list);
		}
		EXPORT_SYMBOL(drm_sched_entity_fini);