Radeon 9000 Pro corruption problem on PPC when DRI is enabled

[Ari Entlich]

On Thu, 2006-08-24 at 02:55 -0400, Ari Entlich wrote:
> On Wed, 2006-08-23 at 18:34 +0200, Michel Dänzer wrote: 
> > On Wed, 2006-08-23 at 02:24 -0400, Ari Entlich wrote:
> > > > Awesome!!! This fixed both the DRI corruption and UseFBDev problems!
> > 
> > Nice, what did? From your quoted text, I'm guessing not treating the ROM
> > as an x86 BIOS.
> > 
> 
> Yup. Sorry, Road Runner took its time sending out my messages, and
> ultimately sent them out in the wrong order :-/.
> 
> > 
> > > > However, Composite doesn't work as well as I'd hoped (see
> > > > http://gentoo-wiki.com/Xorg_X11_and_Transparency#ATi_.2B_Xorg ).
> > > > Composite was one of the main reasons I switched to Xorg 7.1 (another
> > > > reason was staying up-to-date, of course), so I'd be a bit
> > > > disappointing
> > > > if I can't get it running at any better than non-accelerated speeds
> > > > (which is what I'm getting) :-/. Is this a known issue...?
> > 
> > Depends. You'll want to not enable backing store and use Option
> > "AccelDFS". If that doesn't help, you can try playing with the
> > "MigrationHeuristic" and "FBTexPercent" options, and if all of that
> > doesn't help, you could finally try the exa-damagetrack xserver git
> > branch.
> 
> Hmm... The only one of those options that my system understands is
> "FBTexPercent", and setting it to 0 didn't help... I think this problem
> might be deeper than setting a few options. I'm not just getting
> sub-optimal accelerated performance, I'm getting completely
> non-accelerated performance. I can disable DRI completely and get
> exactly the same speed (or an unnoticeable amount slower).

And I'm also having the "OpenGL stuff in one window appears in front of
another window even if the OpenGL window is in the background"
problem...

Thanks,
 Ari