drm/msm: move fence allocation out of msm_gpu_submit()

Prep work for next patch.

Signed-off-by: Rob Clark <robdclark@gmail.com>
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index 36ed53e..5bb0983 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -509,22 +509,15 @@
 }
 
 /* add bo's to gpu's ring, and kick gpu: */
-int msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
+void msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
 		struct msm_file_private *ctx)
 {
 	struct drm_device *dev = gpu->dev;
 	struct msm_drm_private *priv = dev->dev_private;
-	int i, ret;
+	int i;
 
 	WARN_ON(!mutex_is_locked(&dev->struct_mutex));
 
-	submit->fence = msm_fence_alloc(gpu->fctx);
-	if (IS_ERR(submit->fence)) {
-		ret = PTR_ERR(submit->fence);
-		submit->fence = NULL;
-		return ret;
-	}
-
 	inactive_cancel(gpu);
 
 	list_add_tail(&submit->node, &gpu->submit_list);
@@ -557,8 +550,6 @@
 	priv->lastctx = ctx;
 
 	hangcheck_timer_reset(gpu);
-
-	return 0;
 }
 
 /*