drm/amdgpu: enable vcn clock gating for navi12

enables vcn medium grained clock gating

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index a7836d3a08c4..82da121f7356 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -654,7 +654,8 @@ static int nv_common_early_init(void *handle)
                         AMD_CG_SUPPORT_MC_MGCG |
                         AMD_CG_SUPPORT_MC_LS |
                         AMD_CG_SUPPORT_ATHUB_MGCG |
-                        AMD_CG_SUPPORT_ATHUB_LS;
+                        AMD_CG_SUPPORT_ATHUB_LS |
+                        AMD_CG_SUPPORT_VCN_MGCG;
                 adev->pg_flags = AMD_PG_SUPPORT_VCN_DPG;
                 adev->external_rev_id = adev->rev_id + 0xa;
                 break;