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| author |   Alexandra Yates <alexandra.yates@linux.intel.com> | 2015-11-18 14:58:40 -0800 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-11-25 23:37:44 +0100 |
| commit | 584ee3dcb1d6232857c1e38bb28d9f6bf0ec89f5 (patch) | |
| tree | 2436a5b54cdb62e6a8c4709be5dca9411d2ae912 /drivers/cpufreq | |
| parent | cpufreq: SCPI: Depend on SCPI clk driver (diff) | |
| download | linux-dev-584ee3dcb1d6232857c1e38bb28d9f6bf0ec89f5.tar.xz linux-dev-584ee3dcb1d6232857c1e38bb28d9f6bf0ec89f5.zip | |
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/cpufreq')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 2 |
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; } |