drm/amd/powerplay: implement set_mmhub_powergating_by_smu for Raven

	return ret;

}

static int rv_set_mmhub_powergating_by_smu(struct pp_hwmgr *hwmgr)

{

	return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerGateMmHub);

}

static const struct pp_hwmgr_func rv_hwmgr_funcs = {

	.backend_init = rv_hwmgr_backend_init,

	.backend_fini = rv_hwmgr_backend_fini,

	.asic_setup = rv_setup_asic_task,

	.power_state_set = rv_set_power_state_tasks,

	.dynamic_state_management_disable = rv_disable_dpm_tasks,

	.set_mmhub_powergating_by_smu = rv_set_mmhub_powergating_by_smu,

};

int rv_init_function_pointers(struct pp_hwmgr *hwmgr)

#define PPSMC_MSG_SetSoftMaxSocclkByFreq        0x32

#define PPSMC_MSG_SetSoftMaxFclkByFreq          0x33

#define PPSMC_MSG_SetSoftMaxVcn                 0x34

#define PPSMC_Message_Count                     0x35

#define PPSMC_MSG_PowerGateMmHub                0x35

#define PPSMC_Message_Count                     0x36

typedef uint16_t PPSMC_Result;