drm/amd/display: Simplify dm_late_init()

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Andrey Grodzovsky  <andey.grodzovsky@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -538,9 +538,8 @@ static int detect_mst_link_for_all_connectors(struct drm_device *dev)
 static int dm_late_init(void *handle)
 {
 	struct drm_device *dev = ((struct amdgpu_device *)handle)->ddev;
-	int r = detect_mst_link_for_all_connectors(dev);
 
-	return r;
+	return detect_mst_link_for_all_connectors(dev);
 }
 
 static void s3_handle_mst(struct drm_device *dev, bool suspend)