Can't swap displays in xorg.conf

[Alex Deucher]

On Wed, 23 Mar 2005 16:29:56 +0000, Robert Cardell <rbt at mtlb.co.uk> wrote:
> On Wed, Mar 23, 2005 at 09:26:37AM -0500, Alex Deucher wrote:
> >
> > 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.
> >
> Ah, I was looking through radeon_driver.c and wondering why it never
> looked at pScrn->...->screen.
> 
> How easy would it be to change the hardcoding so it's the other way round?
> Would it need changes all through the driver, or could I do it in one place?

It's a fair amount of work, I started a while back, but never got it
finished.  I haven't had enough free time lately to get back to it.

> 
> I was hoping to avoid MergedFB as I think the viewport scrolling would annoy
> me. I remember someone had some patches to lock the viewports, but I can't
> find them in bugzilla or on the list archives. Could someone give me a
> pointer to them?

Thomas got it working with the sis driver, I just need to port the
changes over.  It's on my todo list.

> 
> Finally, should I file a bug about this CRTC hardcoding?

If you want.  There's already a bug regarding the hardcoding on
thinkpads with DVI ports.  I don't remember the number offhand.

Alex

> 
> TIA
> 
>