[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 #27 from Christian König <ckoenig.leichtzumerken at gmail.com> ---
(In reply to Ben Crocker from comment #26)
> foxbat, thanks for posting this!
> 
> > [  175.501965] [drm] size=167768376 > sa_manager->size=1048576
> 
> Well, isn't THAT interesting!
> Requested size is ALMOST, but not quite, 160 MB, while what
> the sub-allocation manager has left is 1 MB.

Sounds like we have an overrun in amdgpu_vm_bo_update_mapping() while
calculating how many bytes we need to allocate from the sa_manager.

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