drm/amdgpu: some code refinement v2

Fix the code alignment, etc.

v2: rebase the code
Signed-off-by: NJammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: NChristian König <christian.koenig@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>

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

@@ -817,14 +817,14 @@ static int amdgpu_cs_dependencies(struct amdgpu_device *adev,
 
 static int amdgpu_cs_parser_prepare_job(struct amdgpu_cs_parser *sched_job)
 {
-        int r, i;
+	int r, i;
 	struct amdgpu_cs_parser *parser = sched_job;
 	struct amdgpu_device *adev = sched_job->adev;
-        bool reserved_buffers = false;
+	bool reserved_buffers = false;
 
-        r = amdgpu_cs_parser_relocs(parser);
-        if (r) {
-                if (r != -ERESTARTSYS) {
+	r = amdgpu_cs_parser_relocs(parser);
+	if (r) {
+		if (r != -ERESTARTSYS) {
 			if (r == -ENOMEM)
 				DRM_ERROR("Not enough memory for command submission!\n");
 			else
@@ -841,16 +841,16 @@ static int amdgpu_cs_parser_prepare_job(struct amdgpu_cs_parser *sched_job)
 		if (r)
 			DRM_ERROR("Failed in the dependencies handling %d!\n", r);
 	}
-        if (r) {
-                amdgpu_cs_parser_fini(parser, r, reserved_buffers);
-               return r;
-        }
+	if (r) {
+		amdgpu_cs_parser_fini(parser, r, reserved_buffers);
+		return r;
+	}
 
-        for (i = 0; i < parser->num_ibs; i++)
-                trace_amdgpu_cs(parser, i);
+	for (i = 0; i < parser->num_ibs; i++)
+		trace_amdgpu_cs(parser, i);
 
-       r = amdgpu_cs_ib_vm_chunk(adev, parser);
-       return r;
+	r = amdgpu_cs_ib_vm_chunk(adev, parser);
+	return r;
 }
 
 static struct amdgpu_ring *amdgpu_cs_parser_get_ring(

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

@@ -33,11 +33,12 @@ static int amdgpu_sched_prepare_job(struct amd_gpu_scheduler *sched,
 {
 	int r = 0;
 	struct amdgpu_cs_parser *sched_job = (struct amdgpu_cs_parser *)job;
-	if (sched_job->prepare_job)
+	if (sched_job->prepare_job) {
 		r = sched_job->prepare_job(sched_job);
-	if (r) {
-		DRM_ERROR("Prepare job error\n");
-		schedule_work(&sched_job->job_work);
+		if (r) {
+			DRM_ERROR("Prepare job error\n");
+			schedule_work(&sched_job->job_work);
+		}
 	}
 	return r;
 }