dualhead: turning off a specific head

[Michael Pujos]

On Sunday 06 November 2005 18:49, Michael Pujos wrote:
> On Sunday 06 November 2005 18:18, Felix Kühling wrote:
> > Am Sonntag, den 06.11.2005, 17:39 +0100 schrieb Michael Pujos:
> > > Hi!
> > >
> > > I have configured dualhead (not xinerama, two independant desktop).
> > >
> > > screen #0: laptop LCD, 1440x900
> > > screen #1: TV, 800x600
> > >
> > > My problem is that i'd like to turn off the LCD screen when I'm using
> > > the TV only to watch videos. If it was an external monitor I could just
> > > turn off the power button but there isn't any :(
> > > "xset dpms force off" will turn off both screens. Is there any solution
> > > to turn off individual heads ? is it planned ?
> >
> > My Laptop LCD turns off when I close the lid. That's what I always do
> > when I watch a movie. Am I thinking too simple?
>
> No ! it works ! I didn't even think of it because  I never close the lid
> and thought that it would send the laptop into hibernate mode...
>

Another solution is using radeontool which allow to turn off LCD and DAC on 
ATI cards.