[Bug 22644] [X700] Radeon driver fails to identify LVDS panel

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=22644





--- Comment #5 from Ken Lewis <kenlewis at typo.co.uk>  2009-07-07 08:13:40 PST ---
(In reply to comment #4)
> (In reply to comment #2)
> > I'm sorry for the confusion, but whether I'm running a KMS kernel or not, the
> > version of the driver on my Kubuntu system presents a black screen instead of
> > X.
> 
> Are you running a kms enabled xorg radeon driver?  If not, running a non-kms
> radeon driver with kms active may cause problems as both drivers will be
> attempting to drive the hw.  Make sure kms is not active if your xorg radeon
> driver does not support kms.  if you still have a blank screen in that case,
> try this option (put it in the device section of your xorg config):
> Option "R4xxATOM" "TRUE"

I wouldn't be surprised if the kernel is enabled for KMS but the userland isn't
quite there.  I'll check with Ubuntu and my installation, and also try out the
R4XXATOM option.


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