539 	s16 epp;  in intel_pstate_get_epp()  local
547 			epp = rdmsrl_on_cpu(cpu_data->cpu, MSR_HWP_REQUEST,  in intel_pstate_get_epp()
549 			if (epp)  in intel_pstate_get_epp()
550 				return epp;  in intel_pstate_get_epp()
552 		epp = (hwp_req_data >> 24) & 0xff;  in intel_pstate_get_epp()
555 		epp = intel_pstate_get_epb(cpu_data);  in intel_pstate_get_epp()
558 	return epp;  in intel_pstate_get_epp()
607 	s16 epp;  in intel_pstate_get_energy_pref_index()  local
610 	epp = intel_pstate_get_epp(cpu_data, 0);  in intel_pstate_get_energy_pref_index()
611 	if (epp < 0)  in intel_pstate_get_energy_pref_index()
612 		return epp;  in intel_pstate_get_energy_pref_index()
615 		if (epp == HWP_EPP_PERFORMANCE)  in intel_pstate_get_energy_pref_index()
617 		if (epp <= HWP_EPP_BALANCE_PERFORMANCE)  in intel_pstate_get_energy_pref_index()
619 		if (epp <= HWP_EPP_BALANCE_POWERSAVE)  in intel_pstate_get_energy_pref_index()
634 		index = (epp >> 2) + 1;  in intel_pstate_get_energy_pref_index()
643 	int epp = -EINVAL;  in intel_pstate_set_energy_pref_index()  local
647 		epp = cpu_data->epp_default;  in intel_pstate_set_energy_pref_index()
660 		if (epp == -EINVAL)  in intel_pstate_set_energy_pref_index()
661 			epp = epp_values[pref_index - 1];  in intel_pstate_set_energy_pref_index()
663 		value |= (u64)epp << 24;  in intel_pstate_set_energy_pref_index()
666 		if (epp == -EINVAL)  in intel_pstate_set_energy_pref_index()
667 			epp = (pref_index - 1) << 2;  in intel_pstate_set_energy_pref_index()
668 		ret = intel_pstate_set_epb(cpu_data->cpu, epp);  in intel_pstate_set_energy_pref_index()
772 	s16 epp;  in intel_pstate_hwp_set()  local
794 		epp = cpu_data->epp_saved;  in intel_pstate_hwp_set()
800 		epp = intel_pstate_get_epp(cpu_data, value);  in intel_pstate_hwp_set()
801 		cpu_data->epp_powersave = epp;  in intel_pstate_hwp_set()
803 		if (epp < 0)  in intel_pstate_hwp_set()
806 		epp = 0;  in intel_pstate_hwp_set()
819 		epp = intel_pstate_get_epp(cpu_data, value);  in intel_pstate_hwp_set()
820 		if (epp)  in intel_pstate_hwp_set()
823 		epp = cpu_data->epp_powersave;  in intel_pstate_hwp_set()
828 		value |= (u64)epp << 24;  in intel_pstate_hwp_set()
830 		intel_pstate_set_epb(cpu, epp);  in intel_pstate_hwp_set()