From mboxrd@z Thu Jan 1 00:00:00 1970 From: Srinivas Pandruvada Subject: [PATCH v4 3/3] Documentation: intel_pstate: Add base_frequency information Date: Mon, 15 Oct 2018 10:37:21 -0700 Message-ID: <20181015173721.66147-4-srinivas.pandruvada@linux.intel.com> References: <20181015173721.66147-1-srinivas.pandruvada@linux.intel.com> Return-path: In-Reply-To: <20181015173721.66147-1-srinivas.pandruvada@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: corbet@lwn.net, rjw@rjwysocki.net, lenb@kernel.org, viresh.kumar@linaro.org, robert.moore@intel.com, erik.schmauss@intel.com Cc: juri.lelli@redhat.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, devel@acpica.org, pprakash@codeaurora.org, george.cherian@cavium.com, Srinivas Pandruvada List-Id: linux-pm@vger.kernel.org Updated documentation to explain base_frequency attribute. Suggested-by: Rafael J. Wysocki Signed-off-by: Srinivas Pandruvada --- Documentation/admin-guide/pm/intel_pstate.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/admin-guide/pm/intel_pstate.rst b/Documentation/admin-guide/pm/intel_pstate.rst index 8f1d3de449b5..ac6f5c597a56 100644 --- a/Documentation/admin-guide/pm/intel_pstate.rst +++ b/Documentation/admin-guide/pm/intel_pstate.rst @@ -465,6 +465,13 @@ Next, the following policy attributes have special meaning if policy for the time interval between the last two invocations of the driver's utilization update callback by the CPU scheduler for that CPU. +One more policy attribute is present if the `HWP feature is enabled in the +processor `_: + +``base_frequency`` + Shows the base frequency of the CPU. Any frequency above this will be + in the turbo frequency range. + The meaning of these attributes in the `passive mode `_ is the same as for other scaling drivers. -- 2.17.1