drm/amdgpu: No need to stop hw init although vce's state was not true.

This is not a fatal error.

v2: add comment why ignore the error here.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/vce_v2_0.c

@@ -240,7 +240,8 @@ static int vce_v2_0_hw_init(void *handle)
 
 	r = vce_v2_0_start(adev);
 	if (r)
-		return r;
+/* this error mean vcpu not in running state, so just skip ring test, not stop driver initialize */
+		return 0;
 
 	ring = &adev->vce.ring[0];
 	ring->ready = true;