Dual Head

[Alex Deucher]

On 10/2/05, Andrew Clayton <andrew at digital-domain.net> wrote:
> On Sun, 2005-10-02 at 12:06 +0200, Matthieu Herrb wrote:
>
> >
> > Running two X servers in this configuration will probably not work. The
> > two heads of the card share some resources and I'm not sure if the X
> > servers will be able to cooperate on those.
> >
> > I don't understand why just running one X server in multi head mode with
> > Xinerama disabled doesn't do what you want. In this mode you get two
>
> I didn't know that yet ;) I don't have hardware at hand to test.
>
> > screens :0.0 and :0.1. Windows are explicitely attached to one of the
> > screens and cannot be moved to the other screen without magic.
>
> That does indeed sound like what I want though.
>
> > This mode should work with the radeon 9250 (I'm using a radeon 9200 is
> > this configuration): just set up 2 device sections for the 2 pci devices
> > that show up (1:0:0 and 1:0:1) and 2 screen sections. See the radeon(4)
> > manual page for configuration details.
>
> Will Xv work on both screens? (Unlike Xinerama, where it only works on
> the first one).
>

depends on the hardware.  Radeon only has one overlay so it will
display on whichever head the video is playing on, but you can't use
it on both at the some time.

Alex

>
> Cheers,
>
> Andrew
>