From patchwork Fri Apr 10 18:06:43 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kristen Carlson Accardi X-Patchwork-Id: 6198391 X-Patchwork-Delegate: rjw@sisk.pl Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id B58DD9F1C4 for ; Fri, 10 Apr 2015 18:06:49 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EF5332042C for ; Fri, 10 Apr 2015 18:06:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0F7292026F for ; Fri, 10 Apr 2015 18:06:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753233AbbDJSGr (ORCPT ); Fri, 10 Apr 2015 14:06:47 -0400 Received: from mga03.intel.com ([134.134.136.65]:16372 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754316AbbDJSGq (ORCPT ); Fri, 10 Apr 2015 14:06:46 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP; 10 Apr 2015 11:06:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,557,1422950400"; d="scan'208";a="711956981" Received: from kcaccard-desk.jf.intel.com ([10.7.199.93]) by orsmga002.jf.intel.com with ESMTP; 10 Apr 2015 11:06:44 -0700 From: Kristen Carlson Accardi To: rjw@rjwysocki.net Cc: linux-pm@vger.kernel.org Subject: [PATCH] intel_pstate: Change the setpoint for atom params Date: Fri, 10 Apr 2015 11:06:43 -0700 Message-Id: <1428689203-3204-1-git-send-email-kristen@linux.intel.com> X-Mailer: git-send-email 1.9.3 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Change the setpoint for the Baytrail and Cherrytrail cpus. This will cause more aggressive pstate selection and improves performance on a variety of workloads with little power penalty. Signed-off-by: Kristen Carlson Accardi --- drivers/cpufreq/intel_pstate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 872c577..204e43e 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -636,7 +636,7 @@ static struct cpu_defaults byt_params = { .pid_policy = { .sample_rate_ms = 10, .deadband = 0, - .setpoint = 97, + .setpoint = 60, .p_gain_pct = 14, .d_gain_pct = 0, .i_gain_pct = 4,