intel driver and dual screen

[Dave Airlie]

On Fri, 2008-01-18 at 08:15 +0000, Keith Sharp wrote:
> On Wed, 2008-01-16 at 11:00 -0500, Kristian Høgsberg wrote:
> 
> > One things that's not very well documented is that you need to tweak you
> > xorg.conf for this to work.  You need to add a Virtual line to the
> > "Display" subsection in the "Screen" section of the xorg.conf file, for
> > example:
> > 
> > Section "Screen"
> >         Identifier "Screen0"
> >         Device     "Videocard0"
> >         DefaultDepth     24
> >         SubSection "Display"
> >                 Viewport   0 0
> >                 Depth     24
> >                 Virtual   3600 1200
> >         EndSubSection
> > EndSection
> > 
> > The exact resolution depends on the monitors you want to use, but it has
> > to be big enough to hold both side by side.  In my case, I have
> > 1900x1200 and 1680x1050 monitors side by side, which gives me the
> > numbers above.
> 
> I have a related issue on F9 - how do I persist the existence of my
> second monitor?
> 
> I have a desktop with a dual head ATI graphics card[1], when I boot and
> login the same image is shown on both monitors.  Once I have logged in I
> can run the command:
> 
> 	xrandr --output VGA-0 --left-of DVI-0
> 
> and that sets things up as I want them (Xinerama style).  Despite much
> googling I can find no way to make this persist.  Can anyone offer any
> suggestions?  I've attached my xorg.conf file in case it is relevant.
> 

http://www.intellinuxgraphics.org/dualhead.html

should point the way, you just need to use the ATI output namings..

Dave.

> Many thanks,
> 
> Keith.
> 
> [1] $ lspci | grep ATI
> 01:00.0 VGA compatible controller: ATI Technologies Inc RV370 5B60
> [Radeon X300 (PCIE)]
> 01:00.1 Display controller: ATI Technologies Inc RV370 [Radeon X300SE]
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