Only disable 3D pipe 1 on navi1x, enable 3D pipe 1 on Sienna_Cichlid.
Signed-off-by: NLikun Gao <Likun.Gao@amd.com>
Reviewed-by: NFeifei Xu <Feifei.Xu@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>