drm/amdgpu: enable NBIO IP v7.7.0 Clock Gating

Enable AMD_CG_SUPPORT_BIF_MGCG and AMD_CG_SUPPORT_BIF_LS support.
Signed-off-by: Tim Huang <tim.huang@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -603,6 +603,8 @@ static int soc21_common_early_init(void *handle)
 			AMD_CG_SUPPORT_ATHUB_MGCG |
 			AMD_CG_SUPPORT_ATHUB_LS |
 			AMD_CG_SUPPORT_IH_CG |
+			AMD_CG_SUPPORT_BIF_MGCG |
+			AMD_CG_SUPPORT_BIF_LS |
 			AMD_CG_SUPPORT_VCN_MGCG |
 			AMD_CG_SUPPORT_JPEG_MGCG;
 		adev->pg_flags =
@@ -702,6 +704,7 @@ static int soc21_common_set_clockgating_state(void *handle,
 	switch (adev->ip_versions[NBIO_HWIP][0]) {
 	case IP_VERSION(4, 3, 0):
 	case IP_VERSION(4, 3, 1):
+	case IP_VERSION(7, 7, 0):
 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
 				state == AMD_CG_STATE_GATE);
 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
@@ -709,10 +712,6 @@ static int soc21_common_set_clockgating_state(void *handle,
 		adev->hdp.funcs->update_clock_gating(adev,
 				state == AMD_CG_STATE_GATE);
 		break;
-	case IP_VERSION(7, 7, 0):
-		adev->hdp.funcs->update_clock_gating(adev,
-				state == AMD_CG_STATE_GATE);
-		break;
 	default:
 		break;
 	}