[Bug 80792] [IVB/HSW/BYT-M Bisected]3D ( SynMark2_v5.3.0 /SynMark2_v6.0 /Lightsmarkv2008 &/warsow_v1.0 /GLBenchmarkv2.7.0/GpuTest GiMark) performance reduced 20%~90%

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80792

--- Comment #7 from Iago Toral <itoral at igalia.com> ---
(In reply to comment #6)
> GLBenchmark Egpyt & T-Rex performance drops to 1/3 (on HSW GT3e).  If
> there's some issue with the fix still, at least revert the patch until fix
> is ready.

Since this performance drop is specific to Haswell I think it would be enough
if we keep the patch for other gens only and leave the original behavior for
Haswell.

Kenneth, what do you think?

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