515 	s16 epp;  in intel_pstate_get_epp()  local
523 			epp = rdmsrl_on_cpu(cpu_data->cpu, MSR_HWP_REQUEST,  in intel_pstate_get_epp()
525 			if (epp)  in intel_pstate_get_epp()
526 				return epp;  in intel_pstate_get_epp()
528 		epp = (hwp_req_data >> 24) & 0xff;  in intel_pstate_get_epp()
531 		epp = intel_pstate_get_epb(cpu_data);  in intel_pstate_get_epp()
534 	return epp;  in intel_pstate_get_epp()
583 	s16 epp;  in intel_pstate_get_energy_pref_index()  local
586 	epp = intel_pstate_get_epp(cpu_data, 0);  in intel_pstate_get_energy_pref_index()
587 	if (epp < 0)  in intel_pstate_get_energy_pref_index()
588 		return epp;  in intel_pstate_get_energy_pref_index()
591 		if (epp == HWP_EPP_PERFORMANCE)  in intel_pstate_get_energy_pref_index()
593 		if (epp <= HWP_EPP_BALANCE_PERFORMANCE)  in intel_pstate_get_energy_pref_index()
595 		if (epp <= HWP_EPP_BALANCE_POWERSAVE)  in intel_pstate_get_energy_pref_index()
610 		index = (epp >> 2) + 1;  in intel_pstate_get_energy_pref_index()
619 	int epp = -EINVAL;  in intel_pstate_set_energy_pref_index()  local
623 		epp = cpu_data->epp_default;  in intel_pstate_set_energy_pref_index()
636 		if (epp == -EINVAL)  in intel_pstate_set_energy_pref_index()
637 			epp = epp_values[pref_index - 1];  in intel_pstate_set_energy_pref_index()
639 		value |= (u64)epp << 24;  in intel_pstate_set_energy_pref_index()
642 		if (epp == -EINVAL)  in intel_pstate_set_energy_pref_index()
643 			epp = (pref_index - 1) << 2;  in intel_pstate_set_energy_pref_index()
644 		ret = intel_pstate_set_epb(cpu_data->cpu, epp);  in intel_pstate_set_energy_pref_index()
728 	s16 epp;  in intel_pstate_hwp_set()  local
750 		epp = cpu_data->epp_saved;  in intel_pstate_hwp_set()
756 		epp = intel_pstate_get_epp(cpu_data, value);  in intel_pstate_hwp_set()
757 		cpu_data->epp_powersave = epp;  in intel_pstate_hwp_set()
759 		if (epp < 0)  in intel_pstate_hwp_set()
762 		epp = 0;  in intel_pstate_hwp_set()
775 		epp = intel_pstate_get_epp(cpu_data, value);  in intel_pstate_hwp_set()
776 		if (epp)  in intel_pstate_hwp_set()
779 		epp = cpu_data->epp_powersave;  in intel_pstate_hwp_set()
784 		value |= (u64)epp << 24;  in intel_pstate_hwp_set()
786 		intel_pstate_set_epb(cpu, epp);  in intel_pstate_hwp_set()