xorg-x11-drv-ati for Fedora 10 fails to setup DRI for 3520x1600x32 screen, is this normal?

Alex Deucher alexdeucher at gmail.com
Thu Feb 12 09:10:51 PST 2009

On Thu, Feb 12, 2009 at 11:59 AM, Alex Villací­s Lasso
<a_villacis at palosanto.com> wrote:

> As you can see, my primary (and only) screen is using a resolution of
> 1440x1080, the maximum one it supports. But the DRI calculation is being
> done on 3520 x 1600. Is this the normal behavior of the X server and the
> radeon driver? I am not really sure, so I am asking here instead of
> filing a bug. Is there any directive on xorg.conf I can use to reduce
> the xrandr maximum so that it can fit within the DRI calculation for my
> system?

This is normal.  We can't dynamically resize the desktop yet, so we
use the virtual parameter to pre-allocate a large enough buffer for
for the maximum desktop size requested.  Use a smaller virtual line in
your xorg.conf.


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