drm/amd/pp: Remove uncessary extra vcn pg cntl in smu

the vcn power will be controlled by VCN.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c

@@ -186,26 +186,12 @@ static int smu10_verify_smc_interface(struct pp_hwmgr *hwmgr)
 	return 0;
 }
 
-/* vcn is disabled by default in vbios, need to re-enable in driver */
-static void smu10_smc_enable_vcn(struct pp_hwmgr *hwmgr)
-{
-	smu10_send_msg_to_smc_with_parameter(hwmgr,
-			PPSMC_MSG_PowerUpVcn, 0);
-}
-
-static void smu10_smc_disable_vcn(struct pp_hwmgr *hwmgr)
-{
-	smu10_send_msg_to_smc_with_parameter(hwmgr,
-			PPSMC_MSG_PowerDownVcn, 0);
-}
-
 static int smu10_smu_fini(struct pp_hwmgr *hwmgr)
 {
 	struct smu10_smumgr *priv =
 			(struct smu10_smumgr *)(hwmgr->smu_backend);
 
 	if (priv) {
-		smu10_smc_disable_vcn(hwmgr);
 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[SMU10_WMTABLE].handle,
 					&priv->smu_tables.entry[SMU10_WMTABLE].mc_addr,
 					&priv->smu_tables.entry[SMU10_WMTABLE].table);
@@ -229,7 +215,7 @@ static int smu10_start_smu(struct pp_hwmgr *hwmgr)
 
 	if (smu10_verify_smc_interface(hwmgr))
 		return -EINVAL;
-	smu10_smc_enable_vcn(hwmgr);
+
 	return 0;
 }