diff options
| author | Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> | 2015-01-29 21:17:13 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-01-30 01:52:17 +0100 |
| commit | 630ec286dd85c5838493ab7ef975881c42069ef0 (patch) | |
| tree | 67ba7b127e3e4a45f8c58878df236a5ddcf40ddb /drivers/cpufreq/intel_pstate.c | |
| parent | intel_pstate: Add num_pstates to sysfs (diff) | |
| download | linux-630ec286dd85c5838493ab7ef975881c42069ef0.tar.xz linux-630ec286dd85c5838493ab7ef975881c42069ef0.zip | |
intel_pstate: respect cpufreq policy request
When thermal or other subsystem requests to change the policy,
use that irrepective of whether cpufreq policy is PERFORMANCE or
not. Without this change, when thermal subsystem passive policy wants
to reduce performance, it still runs at 100%.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Kristen Carlson Accardi <kristen@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 80ecc351d613..dfee5725903b 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -919,7 +919,8 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) if (!policy->cpuinfo.max_freq) return -ENODEV; - if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) { + if (policy->policy == CPUFREQ_POLICY_PERFORMANCE && + policy->max >= policy->cpuinfo.max_freq) { limits.min_perf_pct = 100; limits.min_perf = int_tofp(1); limits.max_policy_pct = 100; |