drm/amd/pm: check the return of send smc msg for sienna_cichild

Set smu work laod mask may fail, so check return.
Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c

@@ -1786,8 +1786,10 @@ static int sienna_cichlid_set_power_profile_mode(struct smu_context *smu, long *
 						       smu->power_profile_mode);
 	if (workload_type < 0)
 		return -EINVAL;
-	smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetWorkloadMask,
+	ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetWorkloadMask,
 				    1 << workload_type, NULL);
+	if (ret)
+		dev_err(smu->adev->dev, "[%s] Failed to set work load mask!", __func__);
 
 	return ret;
 }