From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Klimov Subject: Re: [PATCH] cpufreq / CPPC: Initialize policy->min to lowest nonlinear performance Date: Fri, 12 May 2017 14:43:43 +0100 Message-ID: <20170512134343.GA7571@arm.com> References: <1494542384-7502-1-git-send-email-pprakash@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from foss.arm.com ([217.140.101.70]:59962 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932217AbdELNnw (ORCPT ); Fri, 12 May 2017 09:43:52 -0400 Content-Disposition: inline In-Reply-To: <1494542384-7502-1-git-send-email-pprakash@codeaurora.org> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Prashanth Prakash Cc: linux-pm@vger.kernel.org, rjw@rjwysocki.net, viresh.kumar@linaro.org, ahs3@redhat.com, hotran@apm.com On Thu, May 11, 2017 at 04:39:44PM -0600, Prashanth Prakash wrote: > Description of Lowest Perfomance in ACPI 6.1 specification states: > "Lowest Performance is the absolute lowest performance level of > the platform. Selecting a performance level lower than the lowest > nonlinear performance level may actually cause an efficiency penalty, > but should reduce the instantaneous power consumption of the processor. > In traditional terms, this represents the T-state range of performance > levels." > > Set the default value of policy->min to Lowest Nonlinear Performance > to avoid any potential efficiency penalty. > > Signed-off-by: Prashanth Prakash Acked-by: Alexey Klimov Thanks, Alexey