Re: [gpm] ATI fglrx voltage switch using gnome-power-manager

[Holger Macht <hmacht suse de>]

On Thu 09. Nov - 21:09:37, Richard Hughes wrote:
> On Thu, 2006-11-09 at 20:35 +0100, Adolfo González Blázquez wrote:
> > Hello,
> > 
> > I'm wondering if there's any way (now or planned) to change the voltage
> > from ATI video cards (using the fglrx) when switching from betteries to
> > ac.
> 
> Yes, I was thinking of adding similar functionality to HAL to do this
> for nvidia cards.
> 
> > I mean, on batteries, switch the ati card to low voltage; and on ac,
> > swithc the ati card to high voltage.
> > 
> > This can be donde using the aticonfig utility:
> > aticonfig --lsp -> List de powerstates
> > aticonfig --set-powerstate=N -> Set the voltage to N (output from above)
> 
> Is this 110% safe? i.e. will we break systems if this is done wrong?

Just a note: We are already doing this for a couple of month in powersaved
and I didn't get any bugreports so far, but who knows ;-)

Regards,
	Holger