[Bug 15107] X fails to launch with radeon driver on RV350

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Mar 20 12:54:04 PDT 2008


--- Comment #16 from Mathias Brodala <info at noctus.net>  2008-03-20 12:54:03 PST ---
(In reply to comment #15)
> (In reply to comment #14)
> > > If they are dark before starting X, then it's a bios issue, if they are dark
> > > only after switching to another VT after starting X, then there's some problem
> > > with how we save/restore state for VT switches.
> > 
> > So the latter must be the case here. What can I do? Can I do anything at all
> > about this?
> > 
> These kind of things are tough to track down.  Take a look at RADEONRestore()
> in radeon_driver.c and try adjusting the order in which things are restored. 
> Restoring the vga registers before the crtc registers may help.

Phew. I’m know quite a bit about C, but understanding foreign code and
modifying it so that it still works is pretty hard. You wouldn’t be so kind
to create a patch which does this reordering, would you?

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