[Bug 89699] Regression in 10.5.1 causes flickering/artifacting in a particular video game

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89699

--- Comment #21 from Maxqia <maczqia+contrib at gmail.com> ---
Did some Bisecting and I Got ...

67a77ecdec3ba701eb63783535c43abf6eb1ab29 is the first bad commit
commit 67a77ecdec3ba701eb63783535c43abf6eb1ab29
Author: Marek Olšák <marek.olsak at amd.com>
Date:   Sun Jan 4 22:16:53 2015 +0100

    radeonsi: don't use TC L2 for updating descriptors on SI

    It's causing problems, because we mix uncached CP DMA with cached
WRITE_DATA
    when updating the same memory.

    The solution for SI is to use uncached access here, because CP DMA doesn't
    support cached access.

    CIK will be handled in the next patch.

    Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>

:040000 040000 76fed826a37a921280bbb3c30b27921b58a143db
6a5d816cf39df3265bd9a672cecb5ab94ab97195 M    src

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