[ltp] [Power management] DynamicClocks

[Alex Deucher]

On 7/18/05, Alex Deucher <alexdeucher@gmail.com> wrote:
> On 7/11/05, Tino Keitel <tino.keitel@gmx.de> wrote:
> > On Mon, Jul 11, 2005 at 13:45:32 +0200, Henrik Brix Andersen wrote:
> > > On Mon, 2005-07-11 at 13:32 +0200, Paul RIVIER wrote:
> > > > I do monitor battery consumption and GPU temperature. Suspend/resum=
e
> > > > results in an increase of consumption (around 3 watts), and the GPU=
 gets
> > > > hotter (15 more =B0C). Last, if I quit xorg then restart it, I have=
 the
> > > > low consumption working back (13 watt / GPU : 50=B0C etc ...).
> > >
> > > I can not reproduce that problem here. Which kernel version? X11
> > > version? Are you using radeonfb?
> > >
> > > > My laptop is a T42, ATI 9600.
> > >
> > > This is an X31, ATI Radeon Mobility M6 LY.
> >
> > The M6 LY doesn't support PowerPlay (the feature which is turned on by
> > DynamicClocks), so you won't see any difference.
>=20
> actually the m6 does support powerplay (and dynamicclocks), but
> dynamicclocks is not the same as power play.  dynamicclocks just sets
> up the varios GPU clocks in dynamic mode so they scale based on usage.
>  powerplay involves much more.  ati has not released any information
> about powerplay so it won't be supported anytime soon.
>=20

Incidently, r128 should had similar features however, there is no
driver support yet.

Alex

> Alex
>=20
> >
> > Regards,
> > Tino
>