[Bug 86469] Unreal Engine demo doesn't run

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Mar 6 23:28:34 PST 2015


https://bugs.freedesktop.org/show_bug.cgi?id=86469

--- Comment #7 from Matt Turner <mattst88 at gmail.com> ---
(In reply to Tapani Pälli from comment #6)
> SNB bspec, EU Overview -> Messages -> Message Register File (MRF), last
> paragraph.

That page doesn't say "it's not safe". If anything it says MRFs > 15 don't
exist ("There are 16 MRF registers").

It wouldn't surprise me if the registers don't exist and the "24" is a mistake,
but it also wouldn't surprise me if SNB actually has 24 MRFs and they just
didn't update a bunch of documentation. Experimentation is the only way to be
sure.

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