intel_pstate: Update documentation of {max,min}_perf_pct sysfs files
commit 41629a8233
upstream.
Update documentation to make the interpretation of the values clearer
Link: https://bugzilla.kernel.org/show_bug.cgi?id=64251
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -15,10 +15,13 @@ New sysfs files for controlling P state selection have been added to
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/sys/devices/system/cpu/intel_pstate/
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max_perf_pct: limits the maximum P state that will be requested by
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the driver stated as a percentage of the available performance.
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the driver stated as a percentage of the available performance. The
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available (P states) performance may be reduced by the no_turbo
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setting described below.
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min_perf_pct: limits the minimum P state that will be requested by
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the driver stated as a percentage of the available performance.
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the driver stated as a percentage of the max (non-turbo)
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performance level.
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no_turbo: limits the driver to selecting P states below the turbo
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frequency range.
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