diff options
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index c72a82a45872..31f6ffe0cf10 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1418,11 +1418,22 @@ static void intel_pstate_set_performance_limits(struct perf_limits *limits) static int intel_pstate_set_policy(struct cpufreq_policy *policy) { + struct cpudata *cpu; + if (!policy->cpuinfo.max_freq) return -ENODEV; intel_pstate_clear_update_util_hook(policy->cpu); + cpu = all_cpu_data[0]; + if (cpu->pstate.max_pstate_physical > cpu->pstate.max_pstate) { + if (policy->max < policy->cpuinfo.max_freq && + policy->max > cpu->pstate.max_pstate * cpu->pstate.scaling) { + pr_debug("policy->max > max non turbo frequency\n"); + policy->max = policy->cpuinfo.max_freq; + } + } + if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) { limits = &performance_limits; if (policy->max >= policy->cpuinfo.max_freq) { |