[devel] [gmane.comp.freedesktop.xorg] Tool for under- and over-clocking radeon cards

[Anton Farygin <rider@altlinux.com>]

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