From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752498Ab3LZAm5 (ORCPT ); Wed, 25 Dec 2013 19:42:57 -0500 Received: from v094114.home.net.pl ([79.96.170.134]:55118 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752440Ab3LZAm4 (ORCPT ); Wed, 25 Dec 2013 19:42:56 -0500 From: "Rafael J. Wysocki" To: Pavel Machek Cc: Viresh Kumar , Lists linaro-kernel , Patch Tracking , "cpufreq@vger.kernel.org" , "linux-pm@vger.kernel.org" , Linux Kernel Mailing List , Lan Tianyu , Nishanth Menon , jinchoi@broadcom.com, Sebastian Capella , "Srivatsa S. Bhat" Subject: Re: [PATCH] cpufreq: suspend/resume governors with PM notifiers Date: Thu, 26 Dec 2013 01:56:25 +0100 Message-ID: <3682408.uVrpujAYh7@vostro.rjw.lan> User-Agent: KMail/4.10.5 (Linux/3.12.0-rc6+; KDE/4.10.5; x86_64; ; ) In-Reply-To: <20131225223907.GA13593@amd.pavel.ucw.cz> References: <0e476d16e0ae4b001f5dd4f9ac191f899095928a.1384510171.git.viresh.kumar@linaro.org> <6050176.zVNbf5pomE@vostro.rjw.lan> <20131225223907.GA13593@amd.pavel.ucw.cz> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday, December 25, 2013 11:39:07 PM Pavel Machek wrote: > Hi! > > > > > Well, disabling it for the whole duration of suspend/resume and/or hibernation > > > > may not be the right approach entirely, unless we force the pax perf of the > > > > > > s/pax/max ? > > > > Yes. > > I'm not sure max frequency is a good idea. In particular, early > athlon64 notebooks could not run on max frequency on battery power. > > IMO it would be good to keep governors running during hibernation. The idea of using PM notifiers for cpufreq suspend/resume has been abandoned already. Thanks, Rafael