drm/amdgpu: use sched_job_init to initialize sched_job

Consolidate job initialization in one place rather than
duplicating it in multiple places.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

@@ -862,27 +862,24 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
 			    union drm_amdgpu_cs *cs)
 {
 	struct amdgpu_ring *ring = p->job->ring;
-	struct amd_sched_fence *fence;
+	struct fence *fence;
 	struct amdgpu_job *job;
+	int r;
 
 	job = p->job;
 	p->job = NULL;
 
-	job->base.sched = &ring->sched;
-	job->base.s_entity = &p->ctx->rings[ring->idx].entity;
-	job->owner = p->filp;
-
-	fence = amd_sched_fence_create(job->base.s_entity, p->filp);
-	if (!fence) {
+	r = amd_sched_job_init(&job->base, &ring->sched,
+						&p->ctx->rings[ring->idx].entity,
+						p->filp, &fence);
+	if (r) {
 		amdgpu_job_free(job);
-		return -ENOMEM;
+		return r;
 	}
 
-	job->base.s_fence = fence;
-	p->fence = fence_get(&fence->base);
-
-	cs->out.handle = amdgpu_ctx_add_fence(p->ctx, ring,
-					      &fence->base);
+	job->owner = p->filp;
+	p->fence = fence_get(fence);
+	cs->out.handle = amdgpu_ctx_add_fence(p->ctx, ring, fence);
 	job->ibs[job->num_ibs - 1].sequence = cs->out.handle;
 
 	trace_amdgpu_cs_ioctl(job);

drivers/gpu/drm/amd/amdgpu/amdgpu_job.c

@@ -87,16 +87,19 @@ int amdgpu_job_submit(struct amdgpu_job *job, struct amdgpu_ring *ring,
 		      struct amd_sched_entity *entity, void *owner,
 		      struct fence **f)
 {
+	struct fence *fence;
+	int r;
 	job->ring = ring;
-	job->base.sched = &ring->sched;
-	job->base.s_entity = entity;
-	job->base.s_fence = amd_sched_fence_create(job->base.s_entity, owner);
-	if (!job->base.s_fence)
-		return -ENOMEM;
 
-	*f = fence_get(&job->base.s_fence->base);
+	if (!f)
+		return -EINVAL;
+
+	r = amd_sched_job_init(&job->base, &ring->sched, entity, owner, &fence);
+	if (r)
+		return r;
 
 	job->owner = owner;
+	*f = fence_get(fence);
 	amd_sched_entity_push_job(&job->base);
 
 	return 0;

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

@@ -335,6 +335,23 @@ void amd_sched_entity_push_job(struct amd_sched_job *sched_job)
 		   amd_sched_entity_in(sched_job));
 }
 
+/* init a sched_job with basic field */
+int amd_sched_job_init(struct amd_sched_job *job,
+						struct amd_gpu_scheduler *sched,
+						struct amd_sched_entity *entity,
+						void *owner, struct fence **fence)
+{
+	job->sched = sched;
+	job->s_entity = entity;
+	job->s_fence = amd_sched_fence_create(entity, owner);
+	if (!job->s_fence)
+		return -ENOMEM;
+
+	if (fence)
+		*fence = &job->s_fence->base;
+	return 0;
+}
+
 /**
  * Return ture if we can push more jobs to the hw.
  */

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

@@ -144,5 +144,8 @@ struct amd_sched_fence *amd_sched_fence_create(
 	struct amd_sched_entity *s_entity, void *owner);
 void amd_sched_fence_scheduled(struct amd_sched_fence *fence);
 void amd_sched_fence_signal(struct amd_sched_fence *fence);
-
+int amd_sched_job_init(struct amd_sched_job *job,
+					struct amd_gpu_scheduler *sched,
+					struct amd_sched_entity *entity,
+					void *owner, struct fence **fence);
 #endif