From mboxrd@z Thu Jan 1 00:00:00 1970 From: Viresh Kumar Subject: Re: [Discussion] Performance levels of power domains Date: Fri, 28 Oct 2016 09:32:40 +0530 Message-ID: <20161028040240.GI10423@vireshk-i7> References: <7hvawfq6kh.fsf@baylibre.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-pf0-f179.google.com ([209.85.192.179]:35797 "EHLO mail-pf0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755811AbcJ1ECo (ORCPT ); Fri, 28 Oct 2016 00:02:44 -0400 Received: by mail-pf0-f179.google.com with SMTP id s8so29599036pfj.2 for ; Thu, 27 Oct 2016 21:02:44 -0700 (PDT) Content-Disposition: inline In-Reply-To: Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Ulf Hansson Cc: "Rafael J. Wysocki" , Kevin Hilman , "linux-pm@vger.kernel.org" , "Rafael J. Wysocki" , Vincent Guittot , Michael Turquette , Stephen Boyd , "Nayak, Rajendra" , Georgi Djakov , Lists linaro-kernel , Mark Brown On 27-10-16, 13:46, Ulf Hansson wrote: > One thing that would be interesting to know is where the > power/performance preference "voting" can be done. Is that in also in > the separate processor or is that a job for the kernel? In our case it is required to be done by the kernel. > Perhaps the OPP framework might be better place? One could also think > of extending this to support "OPP PM domains"... OPP framework will surely get some updates for this, as it needs to relate the frequencies with power levels for the domains. -- viresh