540 	s16 epp;  in intel_pstate_get_epp()  local
548 			epp = rdmsrl_on_cpu(cpu_data->cpu, MSR_HWP_REQUEST,  in intel_pstate_get_epp()
550 			if (epp)  in intel_pstate_get_epp()
551 				return epp;  in intel_pstate_get_epp()
553 		epp = (hwp_req_data >> 24) & 0xff;  in intel_pstate_get_epp()
556 		epp = intel_pstate_get_epb(cpu_data);  in intel_pstate_get_epp()
559 	return epp;  in intel_pstate_get_epp()
608 	s16 epp;  in intel_pstate_get_energy_pref_index()  local
612 	epp = intel_pstate_get_epp(cpu_data, 0);  in intel_pstate_get_energy_pref_index()
613 	if (epp < 0)  in intel_pstate_get_energy_pref_index()
614 		return epp;  in intel_pstate_get_energy_pref_index()
617 		if (epp == HWP_EPP_PERFORMANCE)  in intel_pstate_get_energy_pref_index()
619 		if (epp == HWP_EPP_BALANCE_PERFORMANCE)  in intel_pstate_get_energy_pref_index()
621 		if (epp == HWP_EPP_BALANCE_POWERSAVE)  in intel_pstate_get_energy_pref_index()
623 		if (epp == HWP_EPP_POWERSAVE)  in intel_pstate_get_energy_pref_index()
625 		*raw_epp = epp;  in intel_pstate_get_energy_pref_index()
638 		index = (epp >> 2) + 1;  in intel_pstate_get_energy_pref_index()
644 static int intel_pstate_set_epp(struct cpudata *cpu, u32 epp)  in intel_pstate_set_epp()  argument
656 	value |= (u64)epp << 24;  in intel_pstate_set_epp()
665 		cpu->epp_cached = epp;  in intel_pstate_set_epp()
674 	int epp = -EINVAL;  in intel_pstate_set_energy_pref_index()  local
678 		epp = cpu_data->epp_default;  in intel_pstate_set_energy_pref_index()
682 			epp = raw_epp;  in intel_pstate_set_energy_pref_index()
683 		else if (epp == -EINVAL)  in intel_pstate_set_energy_pref_index()
684 			epp = epp_values[pref_index - 1];  in intel_pstate_set_energy_pref_index()
691 		if (epp > 0 && cpu_data->policy == CPUFREQ_POLICY_PERFORMANCE)  in intel_pstate_set_energy_pref_index()
694 		ret = intel_pstate_set_epp(cpu_data, epp);  in intel_pstate_set_energy_pref_index()
696 		if (epp == -EINVAL)  in intel_pstate_set_energy_pref_index()
697 			epp = (pref_index - 1) << 2;  in intel_pstate_set_energy_pref_index()
698 		ret = intel_pstate_set_epb(cpu_data->cpu, epp);  in intel_pstate_set_energy_pref_index()
729 	u32 epp = 0;  in store_energy_performance_preference()  local
740 		ret = kstrtouint(buf, 10, &epp);  in store_energy_performance_preference()
744 		if (epp > 255)  in store_energy_performance_preference()
761 		ret = intel_pstate_set_energy_pref_index(cpu, ret, raw, epp);  in store_energy_performance_preference()
770 			epp = ret ? epp_values[ret - 1] : cpu->epp_default;  in store_energy_performance_preference()
772 		if (cpu->epp_cached != epp) {  in store_energy_performance_preference()
776 			ret = intel_pstate_set_epp(cpu, epp);  in store_energy_performance_preference()
852 	s16 epp;  in intel_pstate_hwp_set()  local
874 		epp = intel_pstate_get_epp(cpu_data, value);  in intel_pstate_hwp_set()
875 		cpu_data->epp_powersave = epp;  in intel_pstate_hwp_set()
877 		if (epp < 0)  in intel_pstate_hwp_set()
880 		epp = 0;  in intel_pstate_hwp_set()
893 		epp = intel_pstate_get_epp(cpu_data, value);  in intel_pstate_hwp_set()
894 		if (epp)  in intel_pstate_hwp_set()
897 		epp = cpu_data->epp_powersave;  in intel_pstate_hwp_set()
901 		value |= (u64)epp << 24;  in intel_pstate_hwp_set()
903 		intel_pstate_set_epb(cpu, epp);  in intel_pstate_hwp_set()