Can't swap displays in xorg.conf

[Alex Deucher]

On Tue, 22 Mar 2005 19:55:17 +0000, Robert Cardell <rbt at mtlb.co.uk> wrote:
> 
> I've got a FireGL 8800 with a 21" monitor on the VGA port and a 17" on
> the DVI port (through a DVI->VGA adaptor). I'm trying to set up dualhead
> so that the 21" is my primary monitor and the 17" the secondary to the right.
> 
> I've tried just about every possible combination of swapping Screen options
> and identifiers etc., and still the X server insists on making the DVI port
> Screen 0 and the VGA port Screen 1. I can put "LeftOf" instead of "RightOf"
> in the ServerLayout section, but that still means my programs and pointer
> start on the 17", which is not what I want.
> 
> The reason I don't just swap connectors is that the VGA port on this card
> has noticably better signal quality than the DVI port, and it makes a real
> difference on the 21" screen.
> 
> Here's my xorg.conf (stripped down a bit for readability). Could someone
> tell me what to change so the VGA port becomes the primary screen?
> (BTW, the MonitorLayout option is needed because the 17" doesn't get detected.)


currently the crtcs are hardcoded to outputs, so you can't swap them
at the moment.  you may be able to adjust the default screen in your
Desktop environment.  Your best bet is to enable mergedfb and set the
crtc orientation however you want it.  see the radeon man page for
more.

Alex