From mboxrd@z Thu Jan 1 00:00:00 1970 From: Juri Lelli Subject: [PATCH] Documentation/admin-guide/pm/intel_pstate: fix Active Mode w/o HWP paragraph Date: Tue, 8 May 2018 17:12:09 +0200 Message-ID: <20180508151209.9314-1-juri.lelli@redhat.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: Juri Lelli , Jonathan Corbet , "Rafael J. Wysocki" , Srinivas Pandruvada , linux-doc@vger.kernel.org, linux-pm@vger.kernel.org List-Id: linux-pm@vger.kernel.org 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 Cc: Jonathan Corbet Cc: "Rafael J. Wysocki" Cc: Srinivas Pandruvada Cc: linux-doc@vger.kernel.org Cc: linux-pm@vger.kernel.org --- Documentation/admin-guide/pm/intel_pstate.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/admin-guide/pm/intel_pstate.rst b/Documentation/admin-guide/pm/intel_pstate.rst index d2b6fda3d67b..ab2fe0eda1d7 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. -- 2.14.3