drm/scheduler: fix last_scheduled handling

			       struct drm_sched_entity *entity)

{

	struct drm_sched_rq *rq = entity->rq;

	bool first, reschedule, idle;

	bool first;

	idle = entity->last_scheduled == NULL ||

		dma_fence_is_signaled(entity->last_scheduled);

	first = spsc_queue_count(&entity->job_queue) == 0;

	reschedule = idle && first && (entity->num_rq_list > 1);

	if (first && (entity->num_rq_list > 1)) {

		struct dma_fence *fence;

	if (reschedule) {

		fence = READ_ONCE(entity->last_scheduled);

		if (fence == NULL || dma_fence_is_signaled(fence)) {

			rq = drm_sched_entity_get_free_sched(entity);

			spin_lock(&entity->rq_lock);

			drm_sched_rq_remove_entity(entity->rq, entity);

			entity->rq = rq;

			spin_unlock(&entity->rq_lock);

		}

	}

	sched_job->sched = entity->rq->sched;

	sched_job->s_fence->sched = entity->rq->sched;