RandR support

[Alex Deucher]

On Nov 30, 2007 4:18 PM, Andrew Oakley <andrew at ado.is-a-geek.net> wrote:
> I'm trying to use RandR to support multiple screens, instead of using
> Xinerama.  Unfortunatly I can't seem to get RandR to recoginse more than
> 1 screen at a time, and havn't found any documentation on how to do this.
>

the nv driver only support randr on new g80 based hw.  randr support
for mga is available on a branch in git.

> I'm trying to get this to work on an nVidia card (probably not a good
> start), although if it works on a Matrox (G450) I'm happy to switch to
> that (open driver, proprietary hal).  If there is no support for RandR
> in the Matrox driver, I'm willing to try and hack it so it works,
> presumably the changes in the Intel driver will point me in the right
> direction, however any pointers to documentation would be nice.
>

http://cgit.freedesktop.org/xorg/driver/xf86-video-mga/log/?h=randr-1.2


> Is there any general documentation on RandR - a spec or feature list, or
> end user type stuff anywhere?

Just the protocol spec and a bunch of howto's.
http://www.intellinuxgraphics.com/dualhead.html
http://www.thinkwiki.org/wiki/Xorg_RandR_1.2
etc.

Alex