drm/amdgpu/mmhub_v1: bypass clockgating setting

For SRIOV doesn't need CG, so bypass it.

Signed-off-by: Xiangliang Yu <[e-mail]>
Reviewed-by: Alex Deucher <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c

···
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
+	if (amdgpu_sriov_vf(adev))
+		return 0;
+
 	switch (adev->asic_type) {
 	case CHIP_VEGA10:
 		mmhub_v1_0_update_medium_grain_clock_gating(adev,