[Bug 13412] Gutsy - Second monitor will not turn on with Radeon driver

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=13412





------- Comment #9 from agd5f at yahoo.com  2007-12-01 15:57 PST -------
(In reply to comment #8)
> $ xrandr -q
> Screen 0: minimum 320 x 200, current 1280 x 800, maximum 3200 x 1200
> VGA-0 connected 1280x800+0+0 (normal left inverted right) 0mm x 0mm
>    1280x800       60.0*
>    1280x768       60.0
>    1024x768       60.0
>    800x600        60.3
>    640x480        59.9
> DVI-0 connected (normal left inverted right)
>    1600x1200      85.0 +
>    1280x1024      84.8     75.0
>    1152x864       75.0     74.8
>    1024x768       84.9     75.1     70.1     60.0     43.5
>    832x624        74.6
>    800x600        84.9     72.2     75.0     60.3     56.2
>    640x480        84.6     75.0     72.8     66.7     60.0
>    720x400        87.8     70.1
>    640x350        85.1
> S-video disconnected (normal left inverted right)
> 

That looks better.  You'll have to specify add a monitor section for VGA-0
however since that monitor does not provide an edid.  With this set up you
shold be able to set up your desktop as you want it with minimal configuration.
 Either:
xrandr --addmode VGA-0 1600x1200
xrandr --output VGA-0 --mode 1600x1200
xrandr --output DVI-0 --mode 1600x1200 --right-of VGA-0
at runtime or add the the configuration you want to your xorg.conf.  Take a
look at this page for more info:
http://www.intellinuxgraphics.com/dualhead.html
It's an intel page, but that same information is applicable to any randr 1.2
capable driver.  Basically you'll want to add monitor sections for each monitor
and then associate the monitor sections with an output, then specify the
orientation in one of the monitor sections.


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