[Bug 78453] [HAWAII] Get acceleration working

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78453

--- Comment #94 from Marek Olšák <maraeo at gmail.com> ---
(In reply to comment #86)
> Created attachment 103474 [details] [review]
> Hack to temporarily fix accel
> 
> If you want working desktop you can use this patch to disable the packet
> that is the issue. With that mesa patch i have stable acceleration and
> desktop.

I don't recommend this patch. It disables updates to resource descriptors in
some cases, which means you'll get resource bindings from old draw packets or
even old IBs, which will cause VM faults or even hangs. I think it also breaks
MSAA and might cause hangs there too (CMASK must be cleared).

Hawaii works without the patch very well here. I'm only using Alex's stuff from
comment 81 and my Mesa fixes. Nothing else.

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