From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Anton Farygin Organization: ALT Linux Ltd. Date: Mon, 11 Jul 2005 10:14:07 +0400 User-Agent: Pan/0.14.2 (This is not a psychotic episode. It's a cleansing moment of clarity.) Message-Id: To: devel@altlinux.ru MIME-Version: 1.0 Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: 8bit Subject: [devel] [gmane.comp.freedesktop.xorg] Tool for under- and over-clocking radeon cards X-BeenThere: devel@altlinux.ru X-Mailman-Version: 2.1.5 Precedence: list Reply-To: ALT Devel discussion list List-Id: ALT Devel discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Jul 2005 06:16:53 -0000 Archived-At: List-Archive: List-Post: FYI. Может кто соберет ? Rgds, Rider В письме Fri, 08 Jul 2005 18:21:09 +0200, Daniel Bonniot написал: > > Hi, > > I wrote a user-space tool to control radeon cards (in particular change the > clock speeds) under linux and possibly other Unix-like systems. > > The code is heavily borrowed from two previous programs: > radeon_dump (by hyu@ati.com>, with authorization) > r6setclk (by for Windows, under GPL) > I put it together, implemented > the full automatic detection of all card parameters, and wrote the > main program. Many thanks also go to Aapo Tahkola who started the > conversion of r6setclk to unix, and to Roland Scheidegger who > helpfully provided links and information that enabled me to get this > program working. > > The source is available at http://gna.org/projects/radeon-control/ and > distributed under the GPL. > > At this point, you need to get the source for the subversion repository. > Compile with simply 'make', and the binary will be in src/. Comments and > contributions are welcome. > > I have tested this tool with a Radeon Mobility 9600 M10 card with 128MB, > but it should work with the whole Radeon family. > > THIS PROGRAM COMMUNICATES WITH THE CARD AT VERY LOW LEVEL, SO IT > MIGHT POTENTIALLY DAMAGE YOUR HARDWARE. USE WITH CAUTION! > > My initial goal was to experiment with underclocking to save power and heat on > my Mobility M10 card (although I suppose many people will want to overclock). > My initial mesurement showed that vastly underclocking (from the default > 350/200 MHz to 100/100 MHz) did make a noticable difference on an idle machine > (from 960 mA to 910 mA for the whole machine, and the disk was spinning). That > was in single user mode, text mode, to make the mesurement more dependable. > Hopefully I will one day find time to make more mesurements. I'm interested to > hear about other people experience, and if anybody knows a way to probe > radeons' temperature. > > As far as I understand, PowerPlay is not supported on linux (neither xorg nor > fglrx), only dynamic clocking. Maybe with PowerPlay the underclocking would > become unnecessary, but I guess overclocking would still be interesting to > gamers... > > Enjoy, > > Daniel