[Bug 110894] Hi Intel Xf86 ddx Driver is broken with xorg-server 1.20.5

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110894

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
Try reverting

commit 87491ced98705a14be2bb5a3ce7e41cb5ffc11d0
Author: Michel Dänzer <michel.daenzer at amd.com>
Date:   Mon Mar 25 12:32:48 2019 +0100

    present/scmd: Check that the flip and screen pixmap pitches match

    If they don't, flipping will result in corrupted display.

    Test case:

    * Run Xorg at 1920x1080 with no window manager
    * glxgears -geometry 2048x1080
    (Cherry picked from commit ef91da2757050652c724f6e674e8b1acf5d0cb31)

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