[Bug 72343] Parts of complex GUI applications are blinking (becoming transparent for a short period of time) with Option "TearFree" set to "true"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72343

--- Comment #4 from Chris Wilson <chris at chris-wilson.co.uk> ---
Found (I guess) a similar issue using vncviewer:

commit 46256fa5a0ca4230ae7c226781c78c525e2648c6
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Thu Dec 5 16:12:22 2013 +0000

    sna: Pass MOVE_READ for partial TearFree move-to-gpu

    When fixing up a pending shadow pageflip for TearFree, we must tell it
    that it needs to flush the damage for a partial move-to-gpu. Even though
    the current area does not read from the destination, the move-to-gpu
    callback is a global pass, and we need to assume the worst for the
    region outside of the target.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=72343
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

How does everything fare applying that patch?

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