drm/amdgpu: enable VCN4 PG and CG for VCN4_0_0

Most of the tiles can be power/clock gated.
Reviewed-by: Sonny Jiang <sonny.jiang@amd.com>
Signed-off-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/soc21.c

@@ -482,8 +482,10 @@ static int soc21_common_early_init(void *handle)
 	case IP_VERSION(11, 0, 0):
 		adev->cg_flags = AMD_CG_SUPPORT_GFX_CGCG |
 			AMD_CG_SUPPORT_GFX_CGLS |
-			AMD_CG_SUPPORT_REPEATER_FGCG;
-		adev->pg_flags = AMD_PG_SUPPORT_ATHUB |
+			AMD_CG_SUPPORT_REPEATER_FGCG |
+			AMD_CG_SUPPORT_VCN_MGCG;
+		adev->pg_flags = AMD_PG_SUPPORT_VCN |
+			AMD_PG_SUPPORT_ATHUB |
 			AMD_PG_SUPPORT_MMHUB;
 		adev->external_rev_id = adev->rev_id + 0x1; // TODO: need update
 		break;