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authorAlexandra Yates <alexandra.yates@linux.intel.com>2015-11-19 01:58:40 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-11-26 01:37:44 +0300
commit584ee3dcb1d6232857c1e38bb28d9f6bf0ec89f5 (patch)
tree2436a5b54cdb62e6a8c4709be5dca9411d2ae912 /drivers
parent73124ced9cd7d0bceab50888a3d3d3a3c8796b4c (diff)
downloadlinux-584ee3dcb1d6232857c1e38bb28d9f6bf0ec89f5.tar.xz
intel_pstate: Fix "performance" mode behavior with HWP enabled
If hardware-driven P-state selection (HWP) is enabled, the "performance" mode of intel_pstate should only allow the processor to use the highest-performance P-state available. That is not the case currently, so make it actually happen. Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Alexandra Yates <alexandra.yates@linux.intel.com> [ rjw: Subject and changelog ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/cpufreq/intel_pstate.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 8ad1f958ffe4..4d07cbd2b23c 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1101,6 +1101,8 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)
policy->max >= policy->cpuinfo.max_freq) {
pr_debug("intel_pstate: set performance\n");
limits = &performance_limits;
+ if (hwp_active)
+ intel_pstate_hwp_set();
return 0;
}