[Bug 108625] AMDGPU - Can't even get Xorg to start - Kernel driver hangs with ring buffer timeout on ARM64

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108625

--- Comment #16 from Christian König <ckoenig.leichtzumerken at gmail.com> ---
(In reply to Carsten Haitzler from comment #15)
> Makes it work. Of course this isn't a brilliant patch, but indeed there is
> something up with the way write combined memory is handled on ARM here.

Well disabling WC is also a good way of reducing the performance in general.

E.g. what could be is that because you disabled WC the performance is reduced
and because of that the timing is changed....

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