[ltp] [Power management] DynamicClocks

Henrik Brix Andersen linux-thinkpad@linux-thinkpad.org
Tue, 12 Jul 2005 15:00:17 +0200


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On Tue, 2005-07-12 at 10:26 +1200, Christopher Sawtell wrote:
> Interesting, My R40 says this:
> /sbin/lspci | grep ATI
> 0000:01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobil=
ity=20
> M6 LY
>=20
> grep -i Dynamic /var/log/Xorg.0.log
> (**) RADEON(0): Option "DynamicClocks" "On"
> (II) RADEON(0): Dynamic Clock Scaling Enabled
>=20
> Very subjectively, temperature of machine on lap, it seems to be a lot co=
oler=20
> when the DynamicClocks are one,

Yeah, I see similar results on my X31. The GPU is much cooler when
DynamicClocks is on, which indicates that it is indeed functioning.

./Brix
--=20
Henrik Brix Andersen <brix@gentoo.org>
Gentoo Metadistribution | Mobile computing herd

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