Lines Matching refs:cpu
228 int cpu; member
283 int (*get_max)(int cpu);
284 int (*get_max_physical)(int cpu);
285 int (*get_min)(int cpu);
286 int (*get_turbo)(int cpu);
288 int (*get_cpu_scaling)(int cpu);
356 static void intel_pstate_set_itmt_prio(int cpu) in intel_pstate_set_itmt_prio() argument
362 ret = cppc_get_perf_caps(cpu, &cppc_perf); in intel_pstate_set_itmt_prio()
371 cppc_perf.highest_perf = HWP_HIGHEST_PERF(READ_ONCE(all_cpu_data[cpu]->hwp_cap_cached)); in intel_pstate_set_itmt_prio()
378 sched_set_itmt_core_prio(cppc_perf.highest_perf, cpu); in intel_pstate_set_itmt_prio()
399 static int intel_pstate_get_cppc_guaranteed(int cpu) in intel_pstate_get_cppc_guaranteed() argument
404 ret = cppc_get_perf_caps(cpu, &cppc_perf); in intel_pstate_get_cppc_guaranteed()
414 static int intel_pstate_cppc_get_scaling(int cpu) in intel_pstate_cppc_get_scaling() argument
419 ret = cppc_get_perf_caps(cpu, &cppc_perf); in intel_pstate_cppc_get_scaling()
434 static inline void intel_pstate_set_itmt_prio(int cpu) in intel_pstate_set_itmt_prio() argument
441 struct cpudata *cpu; in intel_pstate_init_acpi_perf_limits() local
446 intel_pstate_set_itmt_prio(policy->cpu); in intel_pstate_init_acpi_perf_limits()
453 cpu = all_cpu_data[policy->cpu]; in intel_pstate_init_acpi_perf_limits()
455 ret = acpi_processor_register_performance(&cpu->acpi_perf_data, in intel_pstate_init_acpi_perf_limits()
456 policy->cpu); in intel_pstate_init_acpi_perf_limits()
465 if (cpu->acpi_perf_data.control_register.space_id != in intel_pstate_init_acpi_perf_limits()
473 if (cpu->acpi_perf_data.state_count < 2) in intel_pstate_init_acpi_perf_limits()
476 pr_debug("CPU%u - ACPI _PSS perf data\n", policy->cpu); in intel_pstate_init_acpi_perf_limits()
477 for (i = 0; i < cpu->acpi_perf_data.state_count; i++) { in intel_pstate_init_acpi_perf_limits()
479 (i == cpu->acpi_perf_data.state ? '*' : ' '), i, in intel_pstate_init_acpi_perf_limits()
480 (u32) cpu->acpi_perf_data.states[i].core_frequency, in intel_pstate_init_acpi_perf_limits()
481 (u32) cpu->acpi_perf_data.states[i].power, in intel_pstate_init_acpi_perf_limits()
482 (u32) cpu->acpi_perf_data.states[i].control); in intel_pstate_init_acpi_perf_limits()
485 cpu->valid_pss_table = true; in intel_pstate_init_acpi_perf_limits()
491 cpu->valid_pss_table = false; in intel_pstate_init_acpi_perf_limits()
492 acpi_processor_unregister_performance(policy->cpu); in intel_pstate_init_acpi_perf_limits()
497 struct cpudata *cpu; in intel_pstate_exit_perf_limits() local
499 cpu = all_cpu_data[policy->cpu]; in intel_pstate_exit_perf_limits()
500 if (!cpu->valid_pss_table) in intel_pstate_exit_perf_limits()
503 acpi_processor_unregister_performance(policy->cpu); in intel_pstate_exit_perf_limits()
521 static inline int intel_pstate_get_cppc_guaranteed(int cpu) in intel_pstate_get_cppc_guaranteed() argument
526 static int intel_pstate_cppc_get_scaling(int cpu) in intel_pstate_cppc_get_scaling() argument
532 static int intel_pstate_freq_to_hwp_rel(struct cpudata *cpu, int freq, in intel_pstate_freq_to_hwp_rel() argument
535 if (freq == cpu->pstate.turbo_freq) in intel_pstate_freq_to_hwp_rel()
536 return cpu->pstate.turbo_pstate; in intel_pstate_freq_to_hwp_rel()
538 if (freq == cpu->pstate.max_freq) in intel_pstate_freq_to_hwp_rel()
539 return cpu->pstate.max_pstate; in intel_pstate_freq_to_hwp_rel()
543 return freq / cpu->pstate.scaling; in intel_pstate_freq_to_hwp_rel()
545 return DIV_ROUND_CLOSEST(freq, cpu->pstate.scaling); in intel_pstate_freq_to_hwp_rel()
548 return DIV_ROUND_UP(freq, cpu->pstate.scaling); in intel_pstate_freq_to_hwp_rel()
551 static int intel_pstate_freq_to_hwp(struct cpudata *cpu, int freq) in intel_pstate_freq_to_hwp() argument
553 return intel_pstate_freq_to_hwp_rel(cpu, freq, CPUFREQ_RELATION_L); in intel_pstate_freq_to_hwp()
567 static void intel_pstate_hybrid_hwp_adjust(struct cpudata *cpu) in intel_pstate_hybrid_hwp_adjust() argument
569 int perf_ctl_max_phys = cpu->pstate.max_pstate_physical; in intel_pstate_hybrid_hwp_adjust()
570 int perf_ctl_scaling = cpu->pstate.perf_ctl_scaling; in intel_pstate_hybrid_hwp_adjust()
571 int perf_ctl_turbo = pstate_funcs.get_turbo(cpu->cpu); in intel_pstate_hybrid_hwp_adjust()
572 int scaling = cpu->pstate.scaling; in intel_pstate_hybrid_hwp_adjust()
575 pr_debug("CPU%d: perf_ctl_max_phys = %d\n", cpu->cpu, perf_ctl_max_phys); in intel_pstate_hybrid_hwp_adjust()
576 pr_debug("CPU%d: perf_ctl_turbo = %d\n", cpu->cpu, perf_ctl_turbo); in intel_pstate_hybrid_hwp_adjust()
577 pr_debug("CPU%d: perf_ctl_scaling = %d\n", cpu->cpu, perf_ctl_scaling); in intel_pstate_hybrid_hwp_adjust()
578 pr_debug("CPU%d: HWP_CAP guaranteed = %d\n", cpu->cpu, cpu->pstate.max_pstate); in intel_pstate_hybrid_hwp_adjust()
579 pr_debug("CPU%d: HWP_CAP highest = %d\n", cpu->cpu, cpu->pstate.turbo_pstate); in intel_pstate_hybrid_hwp_adjust()
580 pr_debug("CPU%d: HWP-to-frequency scaling factor: %d\n", cpu->cpu, scaling); in intel_pstate_hybrid_hwp_adjust()
582 cpu->pstate.turbo_freq = rounddown(cpu->pstate.turbo_pstate * scaling, in intel_pstate_hybrid_hwp_adjust()
584 cpu->pstate.max_freq = rounddown(cpu->pstate.max_pstate * scaling, in intel_pstate_hybrid_hwp_adjust()
588 cpu->pstate.max_pstate_physical = intel_pstate_freq_to_hwp(cpu, freq); in intel_pstate_hybrid_hwp_adjust()
590 freq = cpu->pstate.min_pstate * perf_ctl_scaling; in intel_pstate_hybrid_hwp_adjust()
591 cpu->pstate.min_freq = freq; in intel_pstate_hybrid_hwp_adjust()
596 cpu->pstate.min_pstate = intel_pstate_freq_to_hwp(cpu, freq); in intel_pstate_hybrid_hwp_adjust()
610 struct cpudata *cpu = all_cpu_data[0]; in min_perf_pct_min() local
611 int turbo_pstate = cpu->pstate.turbo_pstate; in min_perf_pct_min()
614 (cpu->pstate.min_pstate * 100 / turbo_pstate) : 0; in min_perf_pct_min()
625 ret = rdmsrl_on_cpu(cpu_data->cpu, MSR_IA32_ENERGY_PERF_BIAS, &epb); in intel_pstate_get_epb()
642 epp = rdmsrl_on_cpu(cpu_data->cpu, MSR_HWP_REQUEST, in intel_pstate_get_epp()
656 static int intel_pstate_set_epb(int cpu, s16 pref) in intel_pstate_set_epb() argument
664 ret = rdmsrl_on_cpu(cpu, MSR_IA32_ENERGY_PERF_BIAS, &epb); in intel_pstate_set_epb()
669 wrmsrl_on_cpu(cpu, MSR_IA32_ENERGY_PERF_BIAS, epb); in intel_pstate_set_epb()
748 static int intel_pstate_set_epp(struct cpudata *cpu, u32 epp) in intel_pstate_set_epp() argument
757 u64 value = READ_ONCE(cpu->hwp_req_cached); in intel_pstate_set_epp()
766 WRITE_ONCE(cpu->hwp_req_cached, value); in intel_pstate_set_epp()
767 ret = wrmsrl_on_cpu(cpu->cpu, MSR_HWP_REQUEST, value); in intel_pstate_set_epp()
769 cpu->epp_cached = epp; in intel_pstate_set_epp()
802 ret = intel_pstate_set_epb(cpu_data->cpu, epp); in intel_pstate_set_energy_pref_index()
829 struct cpudata *cpu = all_cpu_data[policy->cpu]; in store_energy_performance_preference() local
865 ret = intel_pstate_set_energy_pref_index(cpu, ret, raw, epp); in store_energy_performance_preference()
874 epp = ret ? epp_values[ret] : cpu->epp_default; in store_energy_performance_preference()
876 if (cpu->epp_cached != epp) { in store_energy_performance_preference()
880 ret = intel_pstate_set_epp(cpu, epp); in store_energy_performance_preference()
897 struct cpudata *cpu_data = all_cpu_data[policy->cpu]; in show_energy_performance_preference()
914 struct cpudata *cpu = all_cpu_data[policy->cpu]; in show_base_frequency() local
917 ratio = intel_pstate_get_cppc_guaranteed(policy->cpu); in show_base_frequency()
921 rdmsrl_on_cpu(policy->cpu, MSR_HWP_CAPABILITIES, &cap); in show_base_frequency()
925 freq = ratio * cpu->pstate.scaling; in show_base_frequency()
926 if (cpu->pstate.scaling != cpu->pstate.perf_ctl_scaling) in show_base_frequency()
927 freq = rounddown(freq, cpu->pstate.perf_ctl_scaling); in show_base_frequency()
948 static void hybrid_set_cpu_capacity(struct cpudata *cpu) in hybrid_set_cpu_capacity() argument
950 arch_set_cpu_capacity(cpu->cpu, cpu->capacity_perf, in hybrid_set_cpu_capacity()
952 cpu->capacity_perf, in hybrid_set_cpu_capacity()
953 cpu->pstate.max_pstate_physical); in hybrid_set_cpu_capacity()
955 pr_debug("CPU%d: perf = %u, max. perf = %u, base perf = %d\n", cpu->cpu, in hybrid_set_cpu_capacity()
956 cpu->capacity_perf, hybrid_max_perf_cpu->capacity_perf, in hybrid_set_cpu_capacity()
957 cpu->pstate.max_pstate_physical); in hybrid_set_cpu_capacity()
965 static void hybrid_get_capacity_perf(struct cpudata *cpu) in hybrid_get_capacity_perf() argument
968 cpu->capacity_perf = cpu->pstate.max_pstate_physical; in hybrid_get_capacity_perf()
972 cpu->capacity_perf = HWP_HIGHEST_PERF(READ_ONCE(cpu->hwp_cap_cached)); in hybrid_get_capacity_perf()
980 struct cpudata *cpu = all_cpu_data[cpunum]; in hybrid_set_capacity_of_cpus() local
982 if (cpu) in hybrid_set_capacity_of_cpus()
983 hybrid_set_cpu_capacity(cpu); in hybrid_set_capacity_of_cpus()
994 struct cpudata *cpu = all_cpu_data[cpunum]; in hybrid_update_cpu_capacity_scaling() local
996 if (!cpu) in hybrid_update_cpu_capacity_scaling()
1004 hybrid_get_capacity_perf(cpu); in hybrid_update_cpu_capacity_scaling()
1011 if (cpu == hybrid_max_perf_cpu) in hybrid_update_cpu_capacity_scaling()
1014 if (cpu->capacity_perf > max_cap_perf) { in hybrid_update_cpu_capacity_scaling()
1015 max_cap_perf = cpu->capacity_perf; in hybrid_update_cpu_capacity_scaling()
1016 max_perf_cpu = cpu; in hybrid_update_cpu_capacity_scaling()
1083 static void __intel_pstate_get_hwp_cap(struct cpudata *cpu) in __intel_pstate_get_hwp_cap() argument
1087 rdmsrl_on_cpu(cpu->cpu, MSR_HWP_CAPABILITIES, &cap); in __intel_pstate_get_hwp_cap()
1088 WRITE_ONCE(cpu->hwp_cap_cached, cap); in __intel_pstate_get_hwp_cap()
1089 cpu->pstate.max_pstate = HWP_GUARANTEED_PERF(cap); in __intel_pstate_get_hwp_cap()
1090 cpu->pstate.turbo_pstate = HWP_HIGHEST_PERF(cap); in __intel_pstate_get_hwp_cap()
1093 static void intel_pstate_get_hwp_cap(struct cpudata *cpu) in intel_pstate_get_hwp_cap() argument
1095 int scaling = cpu->pstate.scaling; in intel_pstate_get_hwp_cap()
1097 __intel_pstate_get_hwp_cap(cpu); in intel_pstate_get_hwp_cap()
1099 cpu->pstate.max_freq = cpu->pstate.max_pstate * scaling; in intel_pstate_get_hwp_cap()
1100 cpu->pstate.turbo_freq = cpu->pstate.turbo_pstate * scaling; in intel_pstate_get_hwp_cap()
1101 if (scaling != cpu->pstate.perf_ctl_scaling) { in intel_pstate_get_hwp_cap()
1102 int perf_ctl_scaling = cpu->pstate.perf_ctl_scaling; in intel_pstate_get_hwp_cap()
1104 cpu->pstate.max_freq = rounddown(cpu->pstate.max_freq, in intel_pstate_get_hwp_cap()
1106 cpu->pstate.turbo_freq = rounddown(cpu->pstate.turbo_freq, in intel_pstate_get_hwp_cap()
1111 static void hybrid_update_capacity(struct cpudata *cpu) in hybrid_update_capacity() argument
1126 intel_pstate_get_hwp_cap(cpu); in hybrid_update_capacity()
1128 hybrid_get_capacity_perf(cpu); in hybrid_update_capacity()
1130 if (cpu->capacity_perf > max_cap_perf) { in hybrid_update_capacity()
1131 hybrid_max_perf_cpu = cpu; in hybrid_update_capacity()
1137 if (cpu == hybrid_max_perf_cpu && cpu->capacity_perf < max_cap_perf) { in hybrid_update_capacity()
1142 hybrid_set_cpu_capacity(cpu); in hybrid_update_capacity()
1148 static void intel_pstate_hwp_set(unsigned int cpu) in intel_pstate_hwp_set() argument
1150 struct cpudata *cpu_data = all_cpu_data[cpu]; in intel_pstate_hwp_set()
1161 rdmsrl_on_cpu(cpu, MSR_HWP_REQUEST, &value); in intel_pstate_hwp_set()
1204 intel_pstate_set_epb(cpu, epp); in intel_pstate_hwp_set()
1208 wrmsrl_on_cpu(cpu, MSR_HWP_REQUEST, value); in intel_pstate_hwp_set()
1213 static void intel_pstate_hwp_offline(struct cpudata *cpu) in intel_pstate_hwp_offline() argument
1215 u64 value = READ_ONCE(cpu->hwp_req_cached); in intel_pstate_hwp_offline()
1218 intel_pstate_disable_hwp_interrupt(cpu); in intel_pstate_hwp_offline()
1227 value |= HWP_ENERGY_PERF_PREFERENCE(cpu->epp_cached); in intel_pstate_hwp_offline()
1233 cpu->epp_policy = CPUFREQ_POLICY_UNKNOWN; in intel_pstate_hwp_offline()
1242 WRITE_ONCE(cpu->hwp_req_cached, value); in intel_pstate_hwp_offline()
1245 min_perf = HWP_LOWEST_PERF(READ_ONCE(cpu->hwp_cap_cached)); in intel_pstate_hwp_offline()
1255 wrmsrl_on_cpu(cpu->cpu, MSR_HWP_REQUEST, value); in intel_pstate_hwp_offline()
1265 if (hybrid_max_perf_cpu == cpu) in intel_pstate_hwp_offline()
1271 hybrid_clear_cpu_capacity(cpu->cpu); in intel_pstate_hwp_offline()
1298 static void intel_pstate_hwp_reenable(struct cpudata *cpu) in intel_pstate_hwp_reenable() argument
1300 intel_pstate_hwp_enable(cpu); in intel_pstate_hwp_reenable()
1301 wrmsrl_on_cpu(cpu->cpu, MSR_HWP_REQUEST, READ_ONCE(cpu->hwp_req_cached)); in intel_pstate_hwp_reenable()
1306 struct cpudata *cpu = all_cpu_data[policy->cpu]; in intel_pstate_suspend() local
1308 pr_debug("CPU %d suspending\n", cpu->cpu); in intel_pstate_suspend()
1310 cpu->suspended = true; in intel_pstate_suspend()
1313 intel_pstate_disable_hwp_interrupt(cpu); in intel_pstate_suspend()
1320 struct cpudata *cpu = all_cpu_data[policy->cpu]; in intel_pstate_resume() local
1322 pr_debug("CPU %d resuming\n", cpu->cpu); in intel_pstate_resume()
1330 if (cpu->suspended && hwp_active) { in intel_pstate_resume()
1334 intel_pstate_hwp_reenable(cpu); in intel_pstate_resume()
1339 cpu->suspended = false; in intel_pstate_resume()
1346 int cpu; in intel_pstate_update_policies() local
1348 for_each_possible_cpu(cpu) in intel_pstate_update_policies()
1349 cpufreq_update_policy(cpu); in intel_pstate_update_policies()
1364 static void intel_pstate_update_limits(unsigned int cpu) in intel_pstate_update_limits() argument
1366 struct cpufreq_policy *policy = cpufreq_cpu_acquire(cpu); in intel_pstate_update_limits()
1372 cpudata = all_cpu_data[cpu]; in intel_pstate_update_limits()
1388 int cpu; in intel_pstate_update_limits_for_all() local
1390 for_each_possible_cpu(cpu) { in intel_pstate_update_limits_for_all()
1391 struct cpufreq_policy *policy = cpufreq_cpu_acquire(cpu); in intel_pstate_update_limits_for_all()
1396 __intel_pstate_update_max_freq(all_cpu_data[cpu], policy); in intel_pstate_update_limits_for_all()
1448 struct cpudata *cpu; in show_turbo_pct() local
1459 cpu = all_cpu_data[0]; in show_turbo_pct()
1461 total = cpu->pstate.turbo_pstate - cpu->pstate.min_pstate + 1; in show_turbo_pct()
1462 no_turbo = cpu->pstate.max_pstate - cpu->pstate.min_pstate + 1; in show_turbo_pct()
1474 struct cpudata *cpu; in show_num_pstates() local
1484 cpu = all_cpu_data[0]; in show_num_pstates()
1485 total = cpu->pstate.turbo_pstate - cpu->pstate.min_pstate + 1; in show_num_pstates()
1548 struct cpudata *cpu = all_cpu_data[0]; in store_no_turbo() local
1549 int pct = cpu->pstate.max_pstate * 100 / cpu->pstate.turbo_pstate; in store_no_turbo()
1574 struct cpudata *cpu = all_cpu_data[i]; in update_qos_request() local
1588 intel_pstate_get_hwp_cap(cpu); in update_qos_request()
1597 freq = DIV_ROUND_UP(cpu->pstate.turbo_freq * perf_pct, 100); in update_qos_request()
1839 struct cpufreq_policy *policy = cpufreq_cpu_acquire(cpudata->cpu); in intel_pstate_notify_work()
1854 wrmsrl_on_cpu(cpudata->cpu, MSR_HWP_STATUS, 0); in intel_pstate_notify_work()
1905 wrmsrl_on_cpu(cpudata->cpu, MSR_HWP_INTERRUPT, 0x00); in intel_pstate_disable_hwp_interrupt()
1908 cancel_work = cpumask_test_and_clear_cpu(cpudata->cpu, &hwp_intr_enable_mask); in intel_pstate_disable_hwp_interrupt()
1926 cpumask_set_cpu(cpudata->cpu, &hwp_intr_enable_mask); in intel_pstate_enable_hwp_interrupt()
1933 wrmsrl_on_cpu(cpudata->cpu, MSR_HWP_INTERRUPT, interrupt_mask); in intel_pstate_enable_hwp_interrupt()
1934 wrmsrl_on_cpu(cpudata->cpu, MSR_HWP_STATUS, 0); in intel_pstate_enable_hwp_interrupt()
1973 wrmsrl_on_cpu(cpudata->cpu, MSR_HWP_INTERRUPT, 0x00); in intel_pstate_hwp_enable()
1975 wrmsrl_on_cpu(cpudata->cpu, MSR_PM_ENABLE, 0x1); in intel_pstate_hwp_enable()
2079 static int core_get_min_pstate(int cpu) in core_get_min_pstate() argument
2083 rdmsrl_on_cpu(cpu, MSR_PLATFORM_INFO, &value); in core_get_min_pstate()
2087 static int core_get_max_pstate_physical(int cpu) in core_get_max_pstate_physical() argument
2091 rdmsrl_on_cpu(cpu, MSR_PLATFORM_INFO, &value); in core_get_max_pstate_physical()
2095 static int core_get_tdp_ratio(int cpu, u64 plat_info) in core_get_tdp_ratio() argument
2105 err = rdmsrl_safe_on_cpu(cpu, MSR_CONFIG_TDP_CONTROL, &tdp_ctrl); in core_get_tdp_ratio()
2111 err = rdmsrl_safe_on_cpu(cpu, tdp_msr, &tdp_ratio); in core_get_tdp_ratio()
2128 static int core_get_max_pstate(int cpu) in core_get_max_pstate() argument
2136 rdmsrl_on_cpu(cpu, MSR_PLATFORM_INFO, &plat_info); in core_get_max_pstate()
2139 tdp_ratio = core_get_tdp_ratio(cpu, plat_info); in core_get_max_pstate()
2148 err = rdmsrl_safe_on_cpu(cpu, MSR_TURBO_ACTIVATION_RATIO, &tar); in core_get_max_pstate()
2163 static int core_get_turbo_pstate(int cpu) in core_get_turbo_pstate() argument
2168 rdmsrl_on_cpu(cpu, MSR_TURBO_RATIO_LIMIT, &value); in core_get_turbo_pstate()
2169 nont = core_get_max_pstate(cpu); in core_get_turbo_pstate()
2192 static int knl_get_turbo_pstate(int cpu) in knl_get_turbo_pstate() argument
2197 rdmsrl_on_cpu(cpu, MSR_TURBO_RATIO_LIMIT, &value); in knl_get_turbo_pstate()
2198 nont = core_get_max_pstate(cpu); in knl_get_turbo_pstate()
2212 static int hwp_get_cpu_scaling(int cpu) in hwp_get_cpu_scaling() argument
2216 smp_call_function_single(cpu, hybrid_get_type, &cpu_type, 1); in hwp_get_cpu_scaling()
2233 return intel_pstate_cppc_get_scaling(cpu); in hwp_get_cpu_scaling()
2236 static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) in intel_pstate_set_pstate() argument
2238 trace_cpu_frequency(pstate * cpu->pstate.scaling, cpu->cpu); in intel_pstate_set_pstate()
2239 cpu->pstate.current_pstate = pstate; in intel_pstate_set_pstate()
2245 wrmsrl_on_cpu(cpu->cpu, MSR_IA32_PERF_CTL, in intel_pstate_set_pstate()
2246 pstate_funcs.get_val(cpu, pstate)); in intel_pstate_set_pstate()
2249 static void intel_pstate_set_min_pstate(struct cpudata *cpu) in intel_pstate_set_min_pstate() argument
2251 intel_pstate_set_pstate(cpu, cpu->pstate.min_pstate); in intel_pstate_set_min_pstate()
2254 static void intel_pstate_get_cpu_pstates(struct cpudata *cpu) in intel_pstate_get_cpu_pstates() argument
2256 int perf_ctl_max_phys = pstate_funcs.get_max_physical(cpu->cpu); in intel_pstate_get_cpu_pstates()
2259 cpu->pstate.min_pstate = pstate_funcs.get_min(cpu->cpu); in intel_pstate_get_cpu_pstates()
2260 cpu->pstate.max_pstate_physical = perf_ctl_max_phys; in intel_pstate_get_cpu_pstates()
2261 cpu->pstate.perf_ctl_scaling = perf_ctl_scaling; in intel_pstate_get_cpu_pstates()
2264 __intel_pstate_get_hwp_cap(cpu); in intel_pstate_get_cpu_pstates()
2267 cpu->pstate.scaling = pstate_funcs.get_cpu_scaling(cpu->cpu); in intel_pstate_get_cpu_pstates()
2268 if (cpu->pstate.scaling != perf_ctl_scaling) { in intel_pstate_get_cpu_pstates()
2269 intel_pstate_hybrid_hwp_adjust(cpu); in intel_pstate_get_cpu_pstates()
2273 cpu->pstate.scaling = perf_ctl_scaling; in intel_pstate_get_cpu_pstates()
2279 hybrid_update_capacity(cpu); in intel_pstate_get_cpu_pstates()
2281 cpu->pstate.scaling = perf_ctl_scaling; in intel_pstate_get_cpu_pstates()
2282 cpu->pstate.max_pstate = pstate_funcs.get_max(cpu->cpu); in intel_pstate_get_cpu_pstates()
2283 cpu->pstate.turbo_pstate = pstate_funcs.get_turbo(cpu->cpu); in intel_pstate_get_cpu_pstates()
2286 if (cpu->pstate.scaling == perf_ctl_scaling) { in intel_pstate_get_cpu_pstates()
2287 cpu->pstate.min_freq = cpu->pstate.min_pstate * perf_ctl_scaling; in intel_pstate_get_cpu_pstates()
2288 cpu->pstate.max_freq = cpu->pstate.max_pstate * perf_ctl_scaling; in intel_pstate_get_cpu_pstates()
2289 cpu->pstate.turbo_freq = cpu->pstate.turbo_pstate * perf_ctl_scaling; in intel_pstate_get_cpu_pstates()
2293 cpu->aperf_mperf_shift = pstate_funcs.get_aperf_mperf_shift(); in intel_pstate_get_cpu_pstates()
2296 pstate_funcs.get_vid(cpu); in intel_pstate_get_cpu_pstates()
2298 intel_pstate_set_min_pstate(cpu); in intel_pstate_get_cpu_pstates()
2309 static inline void intel_pstate_hwp_boost_up(struct cpudata *cpu) in intel_pstate_hwp_boost_up() argument
2311 u64 hwp_req = READ_ONCE(cpu->hwp_req_cached); in intel_pstate_hwp_boost_up()
2312 u64 hwp_cap = READ_ONCE(cpu->hwp_cap_cached); in intel_pstate_hwp_boost_up()
2332 if (max_limit == min_limit || cpu->hwp_boost_min >= max_limit) in intel_pstate_hwp_boost_up()
2335 if (!cpu->hwp_boost_min) in intel_pstate_hwp_boost_up()
2336 cpu->hwp_boost_min = min_limit; in intel_pstate_hwp_boost_up()
2341 if (cpu->hwp_boost_min < boost_level1) in intel_pstate_hwp_boost_up()
2342 cpu->hwp_boost_min = boost_level1; in intel_pstate_hwp_boost_up()
2343 else if (cpu->hwp_boost_min < HWP_GUARANTEED_PERF(hwp_cap)) in intel_pstate_hwp_boost_up()
2344 cpu->hwp_boost_min = HWP_GUARANTEED_PERF(hwp_cap); in intel_pstate_hwp_boost_up()
2345 else if (cpu->hwp_boost_min == HWP_GUARANTEED_PERF(hwp_cap) && in intel_pstate_hwp_boost_up()
2347 cpu->hwp_boost_min = max_limit; in intel_pstate_hwp_boost_up()
2351 hwp_req = (hwp_req & ~GENMASK_ULL(7, 0)) | cpu->hwp_boost_min; in intel_pstate_hwp_boost_up()
2353 cpu->last_update = cpu->sample.time; in intel_pstate_hwp_boost_up()
2356 static inline void intel_pstate_hwp_boost_down(struct cpudata *cpu) in intel_pstate_hwp_boost_down() argument
2358 if (cpu->hwp_boost_min) { in intel_pstate_hwp_boost_down()
2362 expired = time_after64(cpu->sample.time, cpu->last_update + in intel_pstate_hwp_boost_down()
2365 wrmsrl(MSR_HWP_REQUEST, cpu->hwp_req_cached); in intel_pstate_hwp_boost_down()
2366 cpu->hwp_boost_min = 0; in intel_pstate_hwp_boost_down()
2369 cpu->last_update = cpu->sample.time; in intel_pstate_hwp_boost_down()
2372 static inline void intel_pstate_update_util_hwp_local(struct cpudata *cpu, in intel_pstate_update_util_hwp_local() argument
2375 cpu->sample.time = time; in intel_pstate_update_util_hwp_local()
2377 if (cpu->sched_flags & SCHED_CPUFREQ_IOWAIT) { in intel_pstate_update_util_hwp_local()
2380 cpu->sched_flags = 0; in intel_pstate_update_util_hwp_local()
2388 if (time_before64(time, cpu->last_io_update + 2 * TICK_NSEC)) in intel_pstate_update_util_hwp_local()
2391 cpu->last_io_update = time; in intel_pstate_update_util_hwp_local()
2394 intel_pstate_hwp_boost_up(cpu); in intel_pstate_update_util_hwp_local()
2397 intel_pstate_hwp_boost_down(cpu); in intel_pstate_update_util_hwp_local()
2404 struct cpudata *cpu = container_of(data, struct cpudata, update_util); in intel_pstate_update_util_hwp() local
2406 cpu->sched_flags |= flags; in intel_pstate_update_util_hwp()
2408 if (smp_processor_id() == cpu->cpu) in intel_pstate_update_util_hwp()
2409 intel_pstate_update_util_hwp_local(cpu, time); in intel_pstate_update_util_hwp()
2412 static inline void intel_pstate_calc_avg_perf(struct cpudata *cpu) in intel_pstate_calc_avg_perf() argument
2414 struct sample *sample = &cpu->sample; in intel_pstate_calc_avg_perf()
2419 static inline bool intel_pstate_sample(struct cpudata *cpu, u64 time) in intel_pstate_sample() argument
2429 if (cpu->prev_mperf == mperf || cpu->prev_tsc == tsc) { in intel_pstate_sample()
2435 cpu->last_sample_time = cpu->sample.time; in intel_pstate_sample()
2436 cpu->sample.time = time; in intel_pstate_sample()
2437 cpu->sample.aperf = aperf; in intel_pstate_sample()
2438 cpu->sample.mperf = mperf; in intel_pstate_sample()
2439 cpu->sample.tsc = tsc; in intel_pstate_sample()
2440 cpu->sample.aperf -= cpu->prev_aperf; in intel_pstate_sample()
2441 cpu->sample.mperf -= cpu->prev_mperf; in intel_pstate_sample()
2442 cpu->sample.tsc -= cpu->prev_tsc; in intel_pstate_sample()
2444 cpu->prev_aperf = aperf; in intel_pstate_sample()
2445 cpu->prev_mperf = mperf; in intel_pstate_sample()
2446 cpu->prev_tsc = tsc; in intel_pstate_sample()
2454 if (cpu->last_sample_time) { in intel_pstate_sample()
2455 intel_pstate_calc_avg_perf(cpu); in intel_pstate_sample()
2461 static inline int32_t get_avg_frequency(struct cpudata *cpu) in get_avg_frequency() argument
2463 return mul_ext_fp(cpu->sample.core_avg_perf, cpu_khz); in get_avg_frequency()
2466 static inline int32_t get_avg_pstate(struct cpudata *cpu) in get_avg_pstate() argument
2468 return mul_ext_fp(cpu->pstate.max_pstate_physical, in get_avg_pstate()
2469 cpu->sample.core_avg_perf); in get_avg_pstate()
2472 static inline int32_t get_target_pstate(struct cpudata *cpu) in get_target_pstate() argument
2474 struct sample *sample = &cpu->sample; in get_target_pstate()
2478 busy_frac = div_fp(sample->mperf << cpu->aperf_mperf_shift, in get_target_pstate()
2481 if (busy_frac < cpu->iowait_boost) in get_target_pstate()
2482 busy_frac = cpu->iowait_boost; in get_target_pstate()
2487 cpu->pstate.max_pstate : cpu->pstate.turbo_pstate; in get_target_pstate()
2490 if (target < cpu->pstate.min_pstate) in get_target_pstate()
2491 target = cpu->pstate.min_pstate; in get_target_pstate()
2500 avg_pstate = get_avg_pstate(cpu); in get_target_pstate()
2507 static int intel_pstate_prepare_request(struct cpudata *cpu, int pstate) in intel_pstate_prepare_request() argument
2509 int min_pstate = max(cpu->pstate.min_pstate, cpu->min_perf_ratio); in intel_pstate_prepare_request()
2510 int max_pstate = max(min_pstate, cpu->max_perf_ratio); in intel_pstate_prepare_request()
2515 static void intel_pstate_update_pstate(struct cpudata *cpu, int pstate) in intel_pstate_update_pstate() argument
2517 if (pstate == cpu->pstate.current_pstate) in intel_pstate_update_pstate()
2520 cpu->pstate.current_pstate = pstate; in intel_pstate_update_pstate()
2521 wrmsrl(MSR_IA32_PERF_CTL, pstate_funcs.get_val(cpu, pstate)); in intel_pstate_update_pstate()
2524 static void intel_pstate_adjust_pstate(struct cpudata *cpu) in intel_pstate_adjust_pstate() argument
2526 int from = cpu->pstate.current_pstate; in intel_pstate_adjust_pstate()
2530 target_pstate = get_target_pstate(cpu); in intel_pstate_adjust_pstate()
2531 target_pstate = intel_pstate_prepare_request(cpu, target_pstate); in intel_pstate_adjust_pstate()
2532 trace_cpu_frequency(target_pstate * cpu->pstate.scaling, cpu->cpu); in intel_pstate_adjust_pstate()
2533 intel_pstate_update_pstate(cpu, target_pstate); in intel_pstate_adjust_pstate()
2535 sample = &cpu->sample; in intel_pstate_adjust_pstate()
2539 cpu->pstate.current_pstate, in intel_pstate_adjust_pstate()
2543 get_avg_frequency(cpu), in intel_pstate_adjust_pstate()
2544 fp_toint(cpu->iowait_boost * 100)); in intel_pstate_adjust_pstate()
2550 struct cpudata *cpu = container_of(data, struct cpudata, update_util); in intel_pstate_update_util() local
2554 if (smp_processor_id() != cpu->cpu) in intel_pstate_update_util()
2557 delta_ns = time - cpu->last_update; in intel_pstate_update_util()
2561 cpu->iowait_boost = ONE_EIGHTH_FP; in intel_pstate_update_util()
2562 } else if (cpu->iowait_boost >= ONE_EIGHTH_FP) { in intel_pstate_update_util()
2563 cpu->iowait_boost <<= 1; in intel_pstate_update_util()
2564 if (cpu->iowait_boost > int_tofp(1)) in intel_pstate_update_util()
2565 cpu->iowait_boost = int_tofp(1); in intel_pstate_update_util()
2567 cpu->iowait_boost = ONE_EIGHTH_FP; in intel_pstate_update_util()
2569 } else if (cpu->iowait_boost) { in intel_pstate_update_util()
2572 cpu->iowait_boost = 0; in intel_pstate_update_util()
2574 cpu->iowait_boost >>= 1; in intel_pstate_update_util()
2576 cpu->last_update = time; in intel_pstate_update_util()
2577 delta_ns = time - cpu->sample.time; in intel_pstate_update_util()
2581 if (intel_pstate_sample(cpu, time)) in intel_pstate_update_util()
2582 intel_pstate_adjust_pstate(cpu); in intel_pstate_update_util()
2681 struct cpudata *cpu; in intel_pstate_init_cpu() local
2683 cpu = all_cpu_data[cpunum]; in intel_pstate_init_cpu()
2685 if (!cpu) { in intel_pstate_init_cpu()
2686 cpu = kzalloc(sizeof(*cpu), GFP_KERNEL); in intel_pstate_init_cpu()
2687 if (!cpu) in intel_pstate_init_cpu()
2690 WRITE_ONCE(all_cpu_data[cpunum], cpu); in intel_pstate_init_cpu()
2692 cpu->cpu = cpunum; in intel_pstate_init_cpu()
2694 cpu->epp_default = -EINVAL; in intel_pstate_init_cpu()
2697 intel_pstate_hwp_enable(cpu); in intel_pstate_init_cpu()
2708 intel_pstate_hwp_reenable(cpu); in intel_pstate_init_cpu()
2711 cpu->epp_powersave = -EINVAL; in intel_pstate_init_cpu()
2712 cpu->epp_policy = 0; in intel_pstate_init_cpu()
2714 intel_pstate_get_cpu_pstates(cpu); in intel_pstate_init_cpu()
2723 struct cpudata *cpu = all_cpu_data[cpu_num]; in intel_pstate_set_update_util_hook() local
2728 if (cpu->update_util_set) in intel_pstate_set_update_util_hook()
2732 cpu->sample.time = 0; in intel_pstate_set_update_util_hook()
2733 cpufreq_add_update_util_hook(cpu_num, &cpu->update_util, in intel_pstate_set_update_util_hook()
2737 cpu->update_util_set = true; in intel_pstate_set_update_util_hook()
2740 static void intel_pstate_clear_update_util_hook(unsigned int cpu) in intel_pstate_clear_update_util_hook() argument
2742 struct cpudata *cpu_data = all_cpu_data[cpu]; in intel_pstate_clear_update_util_hook()
2747 cpufreq_remove_update_util_hook(cpu); in intel_pstate_clear_update_util_hook()
2752 static int intel_pstate_get_max_freq(struct cpudata *cpu) in intel_pstate_get_max_freq() argument
2755 cpu->pstate.max_freq : cpu->pstate.turbo_freq; in intel_pstate_get_max_freq()
2758 static void intel_pstate_update_perf_limits(struct cpudata *cpu, in intel_pstate_update_perf_limits() argument
2762 int perf_ctl_scaling = cpu->pstate.perf_ctl_scaling; in intel_pstate_update_perf_limits()
2778 if (hwp_active && cpu->pstate.scaling != perf_ctl_scaling) { in intel_pstate_update_perf_limits()
2782 max_policy_perf = intel_pstate_freq_to_hwp(cpu, freq); in intel_pstate_update_perf_limits()
2784 min_policy_perf = intel_pstate_freq_to_hwp(cpu, freq); in intel_pstate_update_perf_limits()
2788 cpu->cpu, min_policy_perf, max_policy_perf); in intel_pstate_update_perf_limits()
2792 cpu->min_perf_ratio = min_policy_perf; in intel_pstate_update_perf_limits()
2793 cpu->max_perf_ratio = max_policy_perf; in intel_pstate_update_perf_limits()
2795 int turbo_max = cpu->pstate.turbo_pstate; in intel_pstate_update_perf_limits()
2803 pr_debug("cpu:%d global_min:%d global_max:%d\n", cpu->cpu, in intel_pstate_update_perf_limits()
2806 cpu->min_perf_ratio = max(min_policy_perf, global_min); in intel_pstate_update_perf_limits()
2807 cpu->min_perf_ratio = min(cpu->min_perf_ratio, max_policy_perf); in intel_pstate_update_perf_limits()
2808 cpu->max_perf_ratio = min(max_policy_perf, global_max); in intel_pstate_update_perf_limits()
2809 cpu->max_perf_ratio = max(min_policy_perf, cpu->max_perf_ratio); in intel_pstate_update_perf_limits()
2812 cpu->min_perf_ratio = min(cpu->min_perf_ratio, in intel_pstate_update_perf_limits()
2813 cpu->max_perf_ratio); in intel_pstate_update_perf_limits()
2816 pr_debug("cpu:%d max_perf_ratio:%d min_perf_ratio:%d\n", cpu->cpu, in intel_pstate_update_perf_limits()
2817 cpu->max_perf_ratio, in intel_pstate_update_perf_limits()
2818 cpu->min_perf_ratio); in intel_pstate_update_perf_limits()
2823 struct cpudata *cpu; in intel_pstate_set_policy() local
2831 cpu = all_cpu_data[policy->cpu]; in intel_pstate_set_policy()
2832 cpu->policy = policy->policy; in intel_pstate_set_policy()
2836 intel_pstate_update_perf_limits(cpu, policy->min, policy->max); in intel_pstate_set_policy()
2838 if (cpu->policy == CPUFREQ_POLICY_PERFORMANCE) { in intel_pstate_set_policy()
2839 int pstate = max(cpu->pstate.min_pstate, cpu->max_perf_ratio); in intel_pstate_set_policy()
2845 intel_pstate_clear_update_util_hook(policy->cpu); in intel_pstate_set_policy()
2846 intel_pstate_set_pstate(cpu, pstate); in intel_pstate_set_policy()
2848 intel_pstate_set_update_util_hook(policy->cpu); in intel_pstate_set_policy()
2858 intel_pstate_clear_update_util_hook(policy->cpu); in intel_pstate_set_policy()
2859 intel_pstate_hwp_set(policy->cpu); in intel_pstate_set_policy()
2872 static void intel_pstate_adjust_policy_max(struct cpudata *cpu, in intel_pstate_adjust_policy_max() argument
2876 cpu->pstate.max_pstate_physical > cpu->pstate.max_pstate && in intel_pstate_adjust_policy_max()
2878 policy->max > cpu->pstate.max_freq) { in intel_pstate_adjust_policy_max()
2884 static void intel_pstate_verify_cpu_policy(struct cpudata *cpu, in intel_pstate_verify_cpu_policy() argument
2890 intel_pstate_get_hwp_cap(cpu); in intel_pstate_verify_cpu_policy()
2892 cpu->pstate.max_freq : cpu->pstate.turbo_freq; in intel_pstate_verify_cpu_policy()
2894 max_freq = intel_pstate_get_max_freq(cpu); in intel_pstate_verify_cpu_policy()
2898 intel_pstate_adjust_policy_max(cpu, policy); in intel_pstate_verify_cpu_policy()
2903 intel_pstate_verify_cpu_policy(all_cpu_data[policy->cpu], policy); in intel_pstate_verify_policy()
2910 struct cpudata *cpu = all_cpu_data[policy->cpu]; in intel_cpufreq_cpu_offline() local
2912 pr_debug("CPU %d going offline\n", cpu->cpu); in intel_cpufreq_cpu_offline()
2914 if (cpu->suspended) in intel_cpufreq_cpu_offline()
2924 intel_pstate_hwp_offline(cpu); in intel_cpufreq_cpu_offline()
2926 intel_pstate_set_min_pstate(cpu); in intel_cpufreq_cpu_offline()
2935 struct cpudata *cpu = all_cpu_data[policy->cpu]; in intel_pstate_cpu_online() local
2937 pr_debug("CPU %d going online\n", cpu->cpu); in intel_pstate_cpu_online()
2946 intel_pstate_hwp_reenable(cpu); in intel_pstate_cpu_online()
2947 cpu->suspended = false; in intel_pstate_cpu_online()
2949 hybrid_update_capacity(cpu); in intel_pstate_cpu_online()
2957 intel_pstate_clear_update_util_hook(policy->cpu); in intel_pstate_cpu_offline()
2964 pr_debug("CPU %d exiting\n", policy->cpu); in intel_pstate_cpu_exit()
2971 struct cpudata *cpu; in __intel_pstate_cpu_init() local
2974 rc = intel_pstate_init_cpu(policy->cpu); in __intel_pstate_cpu_init()
2978 cpu = all_cpu_data[policy->cpu]; in __intel_pstate_cpu_init()
2980 cpu->max_perf_ratio = 0xFF; in __intel_pstate_cpu_init()
2981 cpu->min_perf_ratio = 0; in __intel_pstate_cpu_init()
2984 policy->cpuinfo.min_freq = cpu->pstate.min_freq; in __intel_pstate_cpu_init()
2986 cpu->pstate.max_freq : cpu->pstate.turbo_freq; in __intel_pstate_cpu_init()
3012 struct cpudata *cpu = all_cpu_data[policy->cpu]; in intel_pstate_cpu_init() local
3014 cpu->epp_cached = intel_pstate_get_epp(cpu, 0); in intel_pstate_cpu_init()
3036 struct cpudata *cpu = all_cpu_data[policy->cpu]; in intel_cpufreq_verify_policy() local
3038 intel_pstate_verify_cpu_policy(cpu, policy); in intel_cpufreq_verify_policy()
3039 intel_pstate_update_perf_limits(cpu, policy->min, policy->max); in intel_cpufreq_verify_policy()
3060 static void intel_cpufreq_trace(struct cpudata *cpu, unsigned int trace_type, int old_pstate) in intel_cpufreq_trace() argument
3067 if (!intel_pstate_sample(cpu, ktime_get())) in intel_cpufreq_trace()
3070 sample = &cpu->sample; in intel_cpufreq_trace()
3074 cpu->pstate.current_pstate, in intel_cpufreq_trace()
3078 get_avg_frequency(cpu), in intel_cpufreq_trace()
3079 fp_toint(cpu->iowait_boost * 100)); in intel_cpufreq_trace()
3082 static void intel_cpufreq_hwp_update(struct cpudata *cpu, u32 min, u32 max, in intel_cpufreq_hwp_update() argument
3085 u64 prev = READ_ONCE(cpu->hwp_req_cached), value = prev; in intel_cpufreq_hwp_update()
3099 WRITE_ONCE(cpu->hwp_req_cached, value); in intel_cpufreq_hwp_update()
3103 wrmsrl_on_cpu(cpu->cpu, MSR_HWP_REQUEST, value); in intel_cpufreq_hwp_update()
3106 static void intel_cpufreq_perf_ctl_update(struct cpudata *cpu, in intel_cpufreq_perf_ctl_update() argument
3111 pstate_funcs.get_val(cpu, target_pstate)); in intel_cpufreq_perf_ctl_update()
3113 wrmsrl_on_cpu(cpu->cpu, MSR_IA32_PERF_CTL, in intel_cpufreq_perf_ctl_update()
3114 pstate_funcs.get_val(cpu, target_pstate)); in intel_cpufreq_perf_ctl_update()
3120 struct cpudata *cpu = all_cpu_data[policy->cpu]; in intel_cpufreq_update_pstate() local
3121 int old_pstate = cpu->pstate.current_pstate; in intel_cpufreq_update_pstate()
3123 target_pstate = intel_pstate_prepare_request(cpu, target_pstate); in intel_cpufreq_update_pstate()
3126 target_pstate : cpu->max_perf_ratio; in intel_cpufreq_update_pstate()
3128 intel_cpufreq_hwp_update(cpu, target_pstate, max_pstate, 0, in intel_cpufreq_update_pstate()
3131 intel_cpufreq_perf_ctl_update(cpu, target_pstate, fast_switch); in intel_cpufreq_update_pstate()
3134 cpu->pstate.current_pstate = target_pstate; in intel_cpufreq_update_pstate()
3136 intel_cpufreq_trace(cpu, fast_switch ? INTEL_PSTATE_TRACE_FAST_SWITCH : in intel_cpufreq_update_pstate()
3146 struct cpudata *cpu = all_cpu_data[policy->cpu]; in intel_cpufreq_target() local
3155 target_pstate = intel_pstate_freq_to_hwp_rel(cpu, freqs.new, relation); in intel_cpufreq_target()
3158 freqs.new = target_pstate * cpu->pstate.scaling; in intel_cpufreq_target()
3168 struct cpudata *cpu = all_cpu_data[policy->cpu]; in intel_cpufreq_fast_switch() local
3171 target_pstate = intel_pstate_freq_to_hwp(cpu, target_freq); in intel_cpufreq_fast_switch()
3175 return target_pstate * cpu->pstate.scaling; in intel_cpufreq_fast_switch()
3183 struct cpudata *cpu = all_cpu_data[cpunum]; in intel_cpufreq_adjust_perf() local
3184 u64 hwp_cap = READ_ONCE(cpu->hwp_cap_cached); in intel_cpufreq_adjust_perf()
3185 int old_pstate = cpu->pstate.current_pstate; in intel_cpufreq_adjust_perf()
3202 if (min_pstate < cpu->pstate.min_pstate) in intel_cpufreq_adjust_perf()
3203 min_pstate = cpu->pstate.min_pstate; in intel_cpufreq_adjust_perf()
3205 if (min_pstate < cpu->min_perf_ratio) in intel_cpufreq_adjust_perf()
3206 min_pstate = cpu->min_perf_ratio; in intel_cpufreq_adjust_perf()
3208 if (min_pstate > cpu->max_perf_ratio) in intel_cpufreq_adjust_perf()
3209 min_pstate = cpu->max_perf_ratio; in intel_cpufreq_adjust_perf()
3211 max_pstate = min(cap_pstate, cpu->max_perf_ratio); in intel_cpufreq_adjust_perf()
3217 intel_cpufreq_hwp_update(cpu, min_pstate, max_pstate, target_pstate, true); in intel_cpufreq_adjust_perf()
3219 cpu->pstate.current_pstate = target_pstate; in intel_cpufreq_adjust_perf()
3220 intel_cpufreq_trace(cpu, INTEL_PSTATE_TRACE_FAST_SWITCH, old_pstate); in intel_cpufreq_adjust_perf()
3226 struct cpudata *cpu; in intel_cpufreq_cpu_init() local
3230 dev = get_cpu_device(policy->cpu); in intel_cpufreq_cpu_init()
3248 cpu = all_cpu_data[policy->cpu]; in intel_cpufreq_cpu_init()
3255 intel_pstate_get_hwp_cap(cpu); in intel_cpufreq_cpu_init()
3257 rdmsrl_on_cpu(cpu->cpu, MSR_HWP_REQUEST, &value); in intel_cpufreq_cpu_init()
3258 WRITE_ONCE(cpu->hwp_req_cached, value); in intel_cpufreq_cpu_init()
3260 cpu->epp_cached = intel_pstate_get_epp(cpu, value); in intel_cpufreq_cpu_init()
3265 freq = DIV_ROUND_UP(cpu->pstate.turbo_freq * global.min_perf_pct, 100); in intel_cpufreq_cpu_init()
3274 freq = DIV_ROUND_UP(cpu->pstate.turbo_freq * global.max_perf_pct, 100); in intel_cpufreq_cpu_init()
3315 struct cpudata *cpu = all_cpu_data[policy->cpu]; in intel_cpufreq_suspend() local
3316 u64 value = READ_ONCE(cpu->hwp_req_cached); in intel_cpufreq_suspend()
3324 wrmsrl_on_cpu(cpu->cpu, MSR_HWP_REQUEST, value); in intel_cpufreq_suspend()
3325 WRITE_ONCE(cpu->hwp_req_cached, value); in intel_cpufreq_suspend()
3350 unsigned int cpu; in intel_pstate_driver_cleanup() local
3353 for_each_online_cpu(cpu) { in intel_pstate_driver_cleanup()
3354 if (all_cpu_data[cpu]) { in intel_pstate_driver_cleanup()
3356 intel_pstate_clear_update_util_hook(cpu); in intel_pstate_driver_cleanup()
3358 kfree(all_cpu_data[cpu]); in intel_pstate_driver_cleanup()
3359 WRITE_ONCE(all_cpu_data[cpu], NULL); in intel_pstate_driver_cleanup()