Re: [PATCH] Documentation/admin-guide/pm/intel_pstate: fix Active Mode w/o HWP paragraph
From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Date: 2018-05-08 18:36:48
Also in:
linux-pm, lkml
On Tue, 2018-05-08 at 17:12 +0200, Juri Lelli wrote:
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.
Thanks for the fix.
Signed-off-by: Juri Lelli <juri.lelli@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: "Rafael J. Wysocki" <redacted> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Cc: linux-doc@vger.kernel.org Cc: linux-pm@vger.kernel.org
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
quoted hunk ↗ jump to hunk
--- Documentation/admin-guide/pm/intel_pstate.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/Documentation/admin-guide/pm/intel_pstate.rstb/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 callbackswith 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.
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