Re: [PATCH 0/5]: ATI/RADEON DRM bug fixes...

[David Miller]

From: Dave Airlie <airlied@xxxxxxxxx>
Date: Thu, 12 Feb 2009 21:26:51 +1000

> On Thu, Feb 12, 2009 at 8:15 PM, David Miller <davem@xxxxxxxxxxxxx> wrote:
> >
> > David, this work is against your drm-next branch.
> >
> > Here are a collection of bug fixes for the Radeon DRM support.  Most
> > of them have to do with trying to access kernel virtual addresses
> > using DRM_READ32() and DRM_WRITE32().
> >
> > With these patches at least the writeback test works on sparc64 and
> > the CP is able to process commands in the ring.  I'm now diagnosing
> > some further problem that's preventing Xorg from functioning fully but
> > I should be able to diagnose that soon.
> >
> > You'll probably love patch #4 in this series, and it probably explains
> > all kinds of weird problems people run into with DRM on radeon cards.
> 
> Thanks Dave,
> 
> These all look great, the EMITED one has potential to regress
> something by fixing it,
> but I think it might actually make things better, I'll push all of
> these to Linus asap as
> they all fix real bugs. I've put them into my drm-fixes branch and I'll try and
> re-review and get some testing tomorrow when I'm more awake.

Note that these depend upon Ben's drm_addmap and resource fixed in
your drm-next branch, sparc64 was also broken by those problems.
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