[devel] [gmane.comp.freedesktop.xorg] Tool for under- and over-clocking radeon cards
Anton Farygin
=?iso-8859-1?q?rider_=CE=C1_altlinux=2Ecom?=
Пн Июл 11 10:14:07 MSD 2005
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 на 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
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