commit bb977d3711ed1de1601b463e7fd5a43d82a2b077
author Chunming Zhou <david1.zhou@amd.com> Tue Aug 18 15:16:40 2015 +0800
committer Alex Deucher <alexander.deucher@amd.com> Thu Aug 20 17:00:35 2015 -0400
tree 25ce4d1396258790d27ca111f246df39c49e1027
parent 6055f37afd8b68aaf512532e7e2dd651df2d7833

drm/amdgpu: abstract amdgpu_job for scheduler

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>

drivers/gpu/drm/amd/scheduler/gpu_scheduler.c

diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index 265d3e2..462c161 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -282,30 +282,18 @@
  *	     scheduler consum some queued command.
  *	  -1 other fail.
 */
-int amd_sched_push_job(struct amd_gpu_scheduler *sched,
-		       struct amd_sched_entity *c_entity,
-		       void *data,
-		       struct amd_sched_fence **fence)
+int amd_sched_push_job(struct amd_sched_job *sched_job)
 {
-	struct amd_sched_job *job;
-
+	struct amd_sched_fence 	*fence =
+		amd_sched_fence_create(sched_job->s_entity);
 	if (!fence)
 		return -EINVAL;
-	job = kzalloc(sizeof(struct amd_sched_job), GFP_KERNEL);
-	if (!job)
-		return -ENOMEM;
-	job->sched = sched;
-	job->s_entity = c_entity;
-	job->data = data;
-	*fence = amd_sched_fence_create(c_entity);
-	if ((*fence) == NULL) {
-		kfree(job);
-		return -EINVAL;
-	}
-	fence_get(&(*fence)->base);
-	job->s_fence = *fence;
-	while (kfifo_in_spinlocked(&c_entity->job_queue, &job, sizeof(void *),
-				   &c_entity->queue_lock) != sizeof(void *)) {
+	fence_get(&fence->base);
+	sched_job->s_fence = fence;
+	while (kfifo_in_spinlocked(&sched_job->s_entity->job_queue,
+				   &sched_job, sizeof(void *),
+				   &sched_job->s_entity->queue_lock) !=
+	       sizeof(void *)) {
 		/**
 		 * Current context used up all its IB slots
 		 * wait here, or need to check whether GPU is hung
@@ -313,8 +301,8 @@
 		schedule();
 	}
 	/* first job wake up scheduler */
-	if ((kfifo_len(&c_entity->job_queue) / sizeof(void *)) == 1)
-		wake_up_interruptible(&sched->wait_queue);
+	if ((kfifo_len(&sched_job->s_entity->job_queue) / sizeof(void *)) == 1)
+		wake_up_interruptible(&sched_job->sched->wait_queue);
 	return 0;
 }
 
@@ -333,10 +321,8 @@
 	list_del(&sched_job->list);
 	atomic64_dec(&sched->hw_rq_count);
 	spin_unlock_irqrestore(&sched->queue_lock, flags);
-
-	sched->ops->process_job(sched, sched_job);
 	fence_put(&sched_job->s_fence->base);
-	kfree(sched_job);
+	sched->ops->process_job(sched, sched_job);
 	wake_up_interruptible(&sched->wait_queue);
 }
 
@@ -359,7 +345,9 @@
 		r = kfifo_out(&c_entity->job_queue, &job, sizeof(void *));
 		if (r != sizeof(void *))
 			continue;
-		r = sched->ops->prepare_job(sched, c_entity, job);
+		r = 0;
+		if (sched->ops->prepare_job)
+			r = sched->ops->prepare_job(sched, c_entity, job);
 		if (!r) {
 			unsigned long flags;
 			spin_lock_irqsave(&sched->queue_lock, flags);