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path: root/drivers/cpufreq/intel_pstate.c
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Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
-rw-r--r--drivers/cpufreq/intel_pstate.c98
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),
{}
};