From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [RFC PATCH] PM: Introduce generic DVFS framework with device-specific OPPs Date: Tue, 26 Apr 2011 21:45:11 +0200 Message-ID: <20110426194511.GA27140@elf.ucw.cz> References: <1303807401-16350-1-git-send-email-myungjoo.ham@samsung.com> <20110426132224.GC13597@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20110426132224.GC13597@suse.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: Greg KH Cc: Nishanth Menon , Len Brown , Kevin Hilman , Kyungmin Park , MyungJoo Ham , linux-pm@lists.linux-foundation.org List-Id: linux-pm@vger.kernel.org On Tue 2011-04-26 06:22:24, Greg KH wrote: > On Tue, Apr 26, 2011 at 05:43:21PM +0900, MyungJoo Ham wrote: > > With OPPs, a device may have multiple operable frequency and voltage > > sets. However, there can be multiple possible operable sets and a system > > will need to choose one from them. In order to reduce the power > > consumption (by reducing frequency and voltage) without affecting the > > performance too much, a DVFS scheme may be used. > > What is "DVFS"? A new filesystem? Dynamic voltage & frequency scaling ... very probably. But yes, the naming sucks. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html