From patchwork Mon Oct 15 17:37:21 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: srinivas pandruvada X-Patchwork-Id: 10642235 X-Patchwork-Delegate: rjw@sisk.pl Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2525E925 for ; Mon, 15 Oct 2018 17:37:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 10E0C29E57 for ; Mon, 15 Oct 2018 17:37:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 04B5429E74; Mon, 15 Oct 2018 17:37:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AAF4B29E69 for ; Mon, 15 Oct 2018 17:37:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726704AbeJPBXp (ORCPT ); Mon, 15 Oct 2018 21:23:45 -0400 Received: from mga03.intel.com ([134.134.136.65]:10068 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726638AbeJPBXj (ORCPT ); Mon, 15 Oct 2018 21:23:39 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Oct 2018 10:37:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,385,1534834800"; d="scan'208";a="88528385" Received: from spandruv-desk.jf.intel.com ([10.54.75.31]) by FMSMGA003.fm.intel.com with ESMTP; 15 Oct 2018 10:37:26 -0700 From: Srinivas Pandruvada 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 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> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181015173721.66147-1-srinivas.pandruvada@linux.intel.com> References: <20181015173721.66147-1-srinivas.pandruvada@linux.intel.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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.