From: Juri Lelli Date: Tue, 8 May 2018 15:12:09 +0000 (+0200) Subject: PM: docs: intel_pstate: fix Active Mode w/o HWP paragraph X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=13610c93488b3c290f393c76744b308445921094;p=linux.git PM: docs: intel_pstate: fix Active Mode w/o HWP paragraph P-state selection algorithm (powersave or performance) is selected by echoing the desired choice to scaling_governor sysfs attribute and not to scaling_cur_freq (as currently stated). Fix it. Signed-off-by: Juri Lelli Reviewed-by: Srinivas Pandruvada Signed-off-by: Rafael J. Wysocki --- diff --git a/Documentation/admin-guide/pm/intel_pstate.rst b/Documentation/admin-guide/pm/intel_pstate.rst index d2b6fda3d67b9..ab2fe0eda1d7c 100644 --- a/Documentation/admin-guide/pm/intel_pstate.rst +++ b/Documentation/admin-guide/pm/intel_pstate.rst @@ -145,7 +145,7 @@ feature enabled.] In this mode ``intel_pstate`` registers utilization update callbacks with the CPU scheduler in order to run a P-state selection algorithm, either -``powersave`` or ``performance``, depending on the ``scaling_cur_freq`` policy +``powersave`` or ``performance``, depending on the ``scaling_governor`` policy setting in ``sysfs``. The current CPU frequency information to be made available from the ``scaling_cur_freq`` policy attribute in ``sysfs`` is periodically updated by those utilization update callbacks too.