diff options
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 6efd96c196b2..badf6206b2b2 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -383,6 +383,7 @@ static void intel_pstate_get_min_max(struct cpudata *cpu, int *min, int *max) static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) { int max_perf, min_perf; + u64 val; intel_pstate_get_min_max(cpu, &min_perf, &max_perf); @@ -394,8 +395,11 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) trace_cpu_frequency(pstate * 100000, cpu->cpu); cpu->pstate.current_pstate = pstate; - wrmsrl(MSR_IA32_PERF_CTL, pstate << 8); + val = pstate << 8; + if (limits.no_turbo) + val |= (u64)1 << 32; + wrmsrl(MSR_IA32_PERF_CTL, val); } static inline void intel_pstate_pstate_increase(struct cpudata *cpu, int steps) @@ -522,6 +526,11 @@ static const struct x86_cpu_id intel_pstate_cpu_ids[] = { ICPU(0x2a, default_policy), ICPU(0x2d, default_policy), ICPU(0x3a, default_policy), + ICPU(0x3c, default_policy), + ICPU(0x3e, default_policy), + ICPU(0x3f, default_policy), + ICPU(0x45, default_policy), + ICPU(0x46, default_policy), {} }; MODULE_DEVICE_TABLE(x86cpu, intel_pstate_cpu_ids); @@ -629,8 +638,8 @@ static int intel_pstate_cpu_exit(struct cpufreq_policy *policy) static int intel_pstate_cpu_init(struct cpufreq_policy *policy) { - int rc, min_pstate, max_pstate; struct cpudata *cpu; + int rc; rc = intel_pstate_init_cpu(policy->cpu); if (rc) @@ -644,9 +653,8 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy) else policy->policy = CPUFREQ_POLICY_POWERSAVE; - intel_pstate_get_min_max(cpu, &min_pstate, &max_pstate); - policy->min = min_pstate * 100000; - policy->max = max_pstate * 100000; + policy->min = cpu->pstate.min_pstate * 100000; + policy->max = cpu->pstate.turbo_pstate * 100000; /* cpuinfo and default policy values */ policy->cpuinfo.min_freq = cpu->pstate.min_pstate * 100000; |