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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-07-10 21:04:37 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-07-10 21:04:37 +0200
commit2091044299e9bc3340d845301b13bd92d6c10993 (patch)
tree651fae472b9fa2f7aa4e2b70212f8d76d337edbd /Documentation
parentff253d3d405fd313a4c3d2195e4b8514d9d2ca21 (diff)
parent5a90af67c2126fe1d04ebccc1f8177e6ca70d3a9 (diff)
Merge branch 'pm-cpufreq'
* pm-cpufreq: cpufreq: Makefile: fix compilation for davinci platform intel_pstate: Set CPU number before accessing MSRs intel_pstate: Update documentation of {max,min}_perf_pct sysfs files intel_pstate: don't touch turbo bit if turbo disabled or unavailable. intel_pstate: Fix setting VID
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/cpu-freq/intel-pstate.txt7
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/cpu-freq/intel-pstate.txt b/Documentation/cpu-freq/intel-pstate.txt
index e742d21dbd96..a69ffe1d54d5 100644
--- a/Documentation/cpu-freq/intel-pstate.txt
+++ b/Documentation/cpu-freq/intel-pstate.txt
@@ -15,10 +15,13 @@ New sysfs files for controlling P state selection have been added to
/sys/devices/system/cpu/intel_pstate/
max_perf_pct: limits the maximum P state that will be requested by
- the driver stated as a percentage of the available performance.
+ the driver stated as a percentage of the available performance. The
+ available (P states) performance may be reduced by the no_turbo
+ setting described below.
min_perf_pct: limits the minimum P state that will be requested by
- the driver stated as a percentage of the available performance.
+ the driver stated as a percentage of the max (non-turbo)
+ performance level.
no_turbo: limits the driver to selecting P states below the turbo
frequency range.

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