[Bug 71448] [UVD] qvdpautest is very slow on radeonsi (HD 7950)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71448

--- Comment #29 from Vladimir Ysikov <grantipak at gmail.com> ---
(In reply to comment #28)
> Created attachment 93072 [details]
> Fix.
> 
> Sorry that it took me so long to find this. It's a rather simple issue that
> the IRQ support for UVD on SI wasn't activated.
> 
> With this patch in place I now get 52fps with 1080p H264 decoding.

With this patch I get gpu lockup and Xorg crash. kernel 3.13.1, mesa-git,
llvm-svn, Archlinux x86.

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