[Bug 90112] [BSW bisected] OglGSCloth/Lightsmark/CS/ Portal/ Half Life 2 games performance decreased by 15%-45%

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90112

--- Comment #26 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Eero Tamminen from comment #25)
> According to Wendy, drop in SynMark GSCloth test on *BYT* is also due to
> this change.

At least that is one I can test. In all honesty, it just means that we were
reliant on the waitboost mechanism too much i.e. we were not submitting work
fast enough to keep the GPU busy enough to maintain high clocks.

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