Bug#575681: xserver-xorg-video-radeon: shows severe artifacts since switching to KMS

[Michel Dänzer]

reassign 575681 linux-2.6
kthxbye

On Thu, 2010-04-01 at 09:32 +0200, Fabian Greffrath wrote: 
> Am 31.03.2010 14:34, schrieb Michel Dänzer:
> > Not sure how it could be. Your symptoms are really weird. One thing I
> > wonder:
> > [    6.093152] [drm] radeon: 2 quad pipes, 1 Z pipes initialized.
> > Maybe only one of your quad pipes is working properly? I think that
> > might explain the checkerboard pattern.
> 
> Hm, no idea what this means. Is there anything I can do about it?

Looking at the Mesa code confirmed my suspicion, the attached kernel
patch should fix it. Reassigning to the kernel.


> > There's no mode switch if X and the console are using the same mode, but
> > that's probably not the case since you're using a custom modeline.
> 
> I meant, maybe it is a "problem" that I have forced a different 
> resolution in X than the one the kernel wants to set (and actually 
> does in the VTs) via KMS.

I understood that and said this was unlikely: the artifacts looked to be
related to the rendering engine, and the display engine is generally
completely separate from that.


-- 
Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer
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