[PATCH] new radeon memory map fixes (#3)

[Tilman Sauerbeck]

Benjamin Herrenschmidt [2006-02-13 09:20]:
> On Sun, 2006-02-12 at 19:25 +0100, Tilman Sauerbeck wrote:
> > Tilman Sauerbeck [2006-02-12 13:39]:
> > > Benjamin Herrenschmidt [2006-02-10 18:12]:
> > > > Here's a 3rd set of patches. Please report regressions ASAP as I intend
> > > > to merge those in the various CVS trees real soon now.
> > > > 
> > > > [...]
> > > >  
> > > > Also, I fixed a potential issue in the DRM with machines where AGP
> > > > writeback doesn't work (we would still rely on AGP writeback for the
> > > > ring read ptr instead of reading it from a register).
> > > 
> > > I believe these 2 patches introduce a hardware lockup problem in 3D
> > > mode for me. It's not reliably reproduced though, so I'm not sure
> > 
> > n/m, I just reproduced it with patch set #2, so it's not a regression.
> 
> What if you only apply the X patch and not the DRM patch ?

Current DRM CVS HEAD doesn't work for me. However it does work with a
small patch applied:
https://bugs.freedesktop.org/show_bug.cgi?id=5450#c3

Does it make sense to test that DRM code with the new X patch?

Regards,
Tilman

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