[Bug 78411] wine causes "Failed to submit rendering commands" since 5cc9ed4

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=78411

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |chris at chris-wilson.co.uk
         Resolution|---                         |CODE_FIX

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit df89b4941130b5ff020c6ef3e244dcf5fec45f2a
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Thu Jun 19 20:39:59 2014 +0100

    sna: Mark upload from SHM segment as read-only

    As this may be mapped by the Xserver using a read-only SHM segment, we
    are forced to treat it always as read-only. And this being X, that it is
    using a SHM segment is opaque to the driver. Fantastic middlelayer.

    This was incorrectly removed in
    commit e680e54eab6ffa72e5e1eb6cc0e3fe4b235b06a1
    Author: Chris Wilson <chris at chris-wilson.co.uk>
    Date:   Wed Jun 11 10:48:26 2014 +0100

        sna: Ignore setting read-only for temporary userptr maps

    Reported-by: Christoph Haag <haagch.christoph at googlemail.com>
    Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=78411
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

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