diff options
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 98 |
1 files changed, 50 insertions, 48 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index c81e1ff29069..4d1e25d1ced1 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -922,6 +922,7 @@ static void intel_pstate_update_limits(unsigned int cpu) */ if (global.turbo_disabled_mf != global.turbo_disabled) { global.turbo_disabled_mf = global.turbo_disabled; + arch_set_max_freq_ratio(global.turbo_disabled); for_each_possible_cpu(cpu) intel_pstate_update_max_freq(cpu); } else { @@ -1908,51 +1909,51 @@ static const struct pstate_funcs knl_funcs = { .get_val = core_get_val, }; -#define ICPU(model, policy) \ - { X86_VENDOR_INTEL, 6, model, X86_FEATURE_APERFMPERF,\ - (unsigned long)&policy } +#define X86_MATCH(model, policy) \ + X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 6, INTEL_FAM6_##model, \ + X86_FEATURE_APERFMPERF, &policy) static const struct x86_cpu_id intel_pstate_cpu_ids[] = { - ICPU(INTEL_FAM6_SANDYBRIDGE, core_funcs), - ICPU(INTEL_FAM6_SANDYBRIDGE_X, core_funcs), - ICPU(INTEL_FAM6_ATOM_SILVERMONT, silvermont_funcs), - ICPU(INTEL_FAM6_IVYBRIDGE, core_funcs), - ICPU(INTEL_FAM6_HASWELL, core_funcs), - ICPU(INTEL_FAM6_BROADWELL, core_funcs), - ICPU(INTEL_FAM6_IVYBRIDGE_X, core_funcs), - ICPU(INTEL_FAM6_HASWELL_X, core_funcs), - ICPU(INTEL_FAM6_HASWELL_L, core_funcs), - ICPU(INTEL_FAM6_HASWELL_G, core_funcs), - ICPU(INTEL_FAM6_BROADWELL_G, core_funcs), - ICPU(INTEL_FAM6_ATOM_AIRMONT, airmont_funcs), - ICPU(INTEL_FAM6_SKYLAKE_L, core_funcs), - ICPU(INTEL_FAM6_BROADWELL_X, core_funcs), - ICPU(INTEL_FAM6_SKYLAKE, core_funcs), - ICPU(INTEL_FAM6_BROADWELL_D, core_funcs), - ICPU(INTEL_FAM6_XEON_PHI_KNL, knl_funcs), - ICPU(INTEL_FAM6_XEON_PHI_KNM, knl_funcs), - ICPU(INTEL_FAM6_ATOM_GOLDMONT, core_funcs), - ICPU(INTEL_FAM6_ATOM_GOLDMONT_PLUS, core_funcs), - ICPU(INTEL_FAM6_SKYLAKE_X, core_funcs), + X86_MATCH(SANDYBRIDGE, core_funcs), + X86_MATCH(SANDYBRIDGE_X, core_funcs), + X86_MATCH(ATOM_SILVERMONT, silvermont_funcs), + X86_MATCH(IVYBRIDGE, core_funcs), + X86_MATCH(HASWELL, core_funcs), + X86_MATCH(BROADWELL, core_funcs), + X86_MATCH(IVYBRIDGE_X, core_funcs), + X86_MATCH(HASWELL_X, core_funcs), + X86_MATCH(HASWELL_L, core_funcs), + X86_MATCH(HASWELL_G, core_funcs), + X86_MATCH(BROADWELL_G, core_funcs), + X86_MATCH(ATOM_AIRMONT, airmont_funcs), + X86_MATCH(SKYLAKE_L, core_funcs), + X86_MATCH(BROADWELL_X, core_funcs), + X86_MATCH(SKYLAKE, core_funcs), + X86_MATCH(BROADWELL_D, core_funcs), + X86_MATCH(XEON_PHI_KNL, knl_funcs), + X86_MATCH(XEON_PHI_KNM, knl_funcs), + X86_MATCH(ATOM_GOLDMONT, core_funcs), + X86_MATCH(ATOM_GOLDMONT_PLUS, core_funcs), + X86_MATCH(SKYLAKE_X, core_funcs), {} }; MODULE_DEVICE_TABLE(x86cpu, intel_pstate_cpu_ids); static const struct x86_cpu_id intel_pstate_cpu_oob_ids[] __initconst = { - ICPU(INTEL_FAM6_BROADWELL_D, core_funcs), - ICPU(INTEL_FAM6_BROADWELL_X, core_funcs), - ICPU(INTEL_FAM6_SKYLAKE_X, core_funcs), + X86_MATCH(BROADWELL_D, core_funcs), + X86_MATCH(BROADWELL_X, core_funcs), + X86_MATCH(SKYLAKE_X, core_funcs), {} }; static const struct x86_cpu_id intel_pstate_cpu_ee_disable_ids[] = { - ICPU(INTEL_FAM6_KABYLAKE, core_funcs), + X86_MATCH(KABYLAKE, core_funcs), {} }; static const struct x86_cpu_id intel_pstate_hwp_boost_ids[] = { - ICPU(INTEL_FAM6_SKYLAKE_X, core_funcs), - ICPU(INTEL_FAM6_SKYLAKE, core_funcs), + X86_MATCH(SKYLAKE_X, core_funcs), + X86_MATCH(SKYLAKE, core_funcs), {} }; @@ -2155,15 +2156,19 @@ static void intel_pstate_adjust_policy_max(struct cpudata *cpu, } } -static int intel_pstate_verify_policy(struct cpufreq_policy_data *policy) +static void intel_pstate_verify_cpu_policy(struct cpudata *cpu, + struct cpufreq_policy_data *policy) { - struct cpudata *cpu = all_cpu_data[policy->cpu]; - update_turbo_state(); cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, intel_pstate_get_max_freq(cpu)); intel_pstate_adjust_policy_max(cpu, policy); +} + +static int intel_pstate_verify_policy(struct cpufreq_policy_data *policy) +{ + intel_pstate_verify_cpu_policy(all_cpu_data[policy->cpu], policy); return 0; } @@ -2243,10 +2248,11 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy) if (ret) return ret; - if (IS_ENABLED(CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE)) - policy->policy = CPUFREQ_POLICY_PERFORMANCE; - else - policy->policy = CPUFREQ_POLICY_POWERSAVE; + /* + * Set the policy to powersave to provide a valid fallback value in case + * the default cpufreq governor is neither powersave nor performance. + */ + policy->policy = CPUFREQ_POLICY_POWERSAVE; return 0; } @@ -2268,12 +2274,7 @@ static int intel_cpufreq_verify_policy(struct cpufreq_policy_data *policy) { struct cpudata *cpu = all_cpu_data[policy->cpu]; - update_turbo_state(); - cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, - intel_pstate_get_max_freq(cpu)); - - intel_pstate_adjust_policy_max(cpu, policy); - + intel_pstate_verify_cpu_policy(cpu, policy); intel_pstate_update_perf_limits(cpu, policy->min, policy->max); return 0; @@ -2725,13 +2726,14 @@ static inline void intel_pstate_request_control_from_smm(void) {} #define INTEL_PSTATE_HWP_BROADWELL 0x01 -#define ICPU_HWP(model, hwp_mode) \ - { X86_VENDOR_INTEL, 6, model, X86_FEATURE_HWP, hwp_mode } +#define X86_MATCH_HWP(model, hwp_mode) \ + X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 6, INTEL_FAM6_##model, \ + X86_FEATURE_HWP, hwp_mode) static const struct x86_cpu_id hwp_support_ids[] __initconst = { - ICPU_HWP(INTEL_FAM6_BROADWELL_X, INTEL_PSTATE_HWP_BROADWELL), - ICPU_HWP(INTEL_FAM6_BROADWELL_D, INTEL_PSTATE_HWP_BROADWELL), - ICPU_HWP(X86_MODEL_ANY, 0), + X86_MATCH_HWP(BROADWELL_X, INTEL_PSTATE_HWP_BROADWELL), + X86_MATCH_HWP(BROADWELL_D, INTEL_PSTATE_HWP_BROADWELL), + X86_MATCH_HWP(ANY, 0), {} }; |