[Bug 106258] AMD Xorg start failes with non-4K page sizes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106258

--- Comment #40 from Timothy Pearson <tpearson at raptorengineering.com> ---
(In reply to foxbat from comment #39)
> (In reply to Michel Dänzer from comment #35)
> > Created attachment 140257 [details] [review] [review]
> > drm/amdgpu: GPU vs CPU page size fixes in  amdgpu_vm_bo_split_mapping
> > 
> > Does this patch help?
> 
> Hi Michel,
> 
> I have applied the patch and so far it appears to help a lot. I have not
> been able to reproduce any amdgpu crashes/errors so far. I will continue
> running with the patch and let you know if I have any issues.

I can confirm that Michel's patch, along with the following patches, also
enable full 3D acceleration via 64-bit DMA across a wide range of tested
applications:

https://lists.ozlabs.org/pipermail/linuxppc-dev/2018-June/174985.html

https://scm.raptorengineering.com/scm/#changesetPanel;6IQvJHpVSM;578e2d761554130f7c6abfe821c2509912a00ac6;commit

https://scm.raptorengineering.com/scm/#changesetPanel;6IQvJHpVSM;461333cedd470140eb1e1667608da2a6d65a58e5;commit

https://bugs.freedesktop.org/show_bug.cgi?id=107012

All of these patches have been submitted upstream to the respective maintainers
for review.  When Michel's is submitted and merged, we should try to get some
of this downstream into the various distros as well.

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