[Bug 84662] Long pauses with Unreal demo Elemental on R9270X since : Always flush the HDP cache before submitting a CS to the GPU

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84662

--- Comment #11 from smoki <smoki00790 at gmail.com> ---
(In reply to Chernovsky Oleg from comment #9)
> I experience the same freezes (1-1.3 sec) every 10 sec in any Valve Source
> engine-based games.

 Well open a new bug, sttuter/freezes can be of varios cause... hardware
combinations, APU or dedicated card, on AMD procesor on Intel so what governor
used, composite or not, vblank on or not, spilling freezes, some particular
effect unoptimized, etc... so various causes could be, this one is i think only
about GTT load and fps drop because of that, so if you are sure it is because
of that (check with GALLIUM_HUD=fps,GTT-usage) than that is the same bug.

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