[Bug 110463] SKL. Textures are flickering in SuperTuxKart

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110463

Denis <denys.kostin at globallogic.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #1 from Denis <denys.kostin at globallogic.com> ---
Hi Mark, Horst Schirmeier, may I ask you to re-check please this issue on SKL?
We couldn't reproduce it from our side even that time when it flickered for
you, so would be great to be sure that fix works.



commit bc612536eb2f0f77725103e53077ad5a28036ac3 (HEAD -> master, origin/master,
origin/HEAD)
Author: Jason Ekstrand <jason at jlekstrand.net>
Date:   Wed Jul 31 10:42:24 2019 -0500

    anv: Emit a dummy MEDIA_VFE_STATE before switching from GPGPU to 3D

    There is an object-level  preemption workaround which requires this.
    However, even without object-level preemption, we seem to have issues
    with geometry flickering when 3D and compute are combined in the same
    batch and this appears to fix it.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109630
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111267
    Cc: mesa-stable at lists.freedesktop.org
    Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>


Tested mesa-master with the commit on my CFL (checked on attached apitrace).
Works without flickers now.

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