drm/amdgpu: enable GFX clock gating for navy_flounder

Enable GFX MGCG, CGCG and 3DCG for navy_flounder.
Signed-off-by: Jiansong Chen <Jiansong.Chen@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -775,7 +775,10 @@ static int nv_common_early_init(void *handle)
 		adev->external_rev_id = adev->rev_id + 0x28;
 		break;
 	case CHIP_NAVY_FLOUNDER:
-		adev->cg_flags = AMD_CG_SUPPORT_VCN_MGCG |
+		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
+			AMD_CG_SUPPORT_GFX_CGCG |
+			AMD_CG_SUPPORT_GFX_3D_CGCG |
+			AMD_CG_SUPPORT_VCN_MGCG |
 			AMD_CG_SUPPORT_JPEG_MGCG;
 		adev->pg_flags = AMD_PG_SUPPORT_VCN |
 			AMD_PG_SUPPORT_VCN_DPG |