[Bug 94216] [IGT] [BXT-P] igt/prime_mmap_coherency/read-and-fail subtest fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94216

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #9 from Chris Wilson <chris at chris-wilson.co.uk> ---

commit b1da8d89c8d13e3f0254d69c639c7f66c10e4175
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Sat Apr 8 13:46:33 2017 +0100

    igt/prime_mmap_coherency: Reorder cache flushes to avoid excess pressure

    Flush the secondary buffer from the cpu cache before dirtying the cache
    for the primary to ensure a better chance of the primary buffer
    remaining in cache, causing the incoherency.

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

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