[Bug 86548] [3.18 regression] Screen tears on xrandr orientation inverted

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86548

--- Comment #10 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Ander Conselvan de Oliveira from comment #9)
> (In reply to Chris Wilson from comment #8)
> > Yikes, this regression made it into a stable release.
> 
> I was actually able to reproduce this with 3.14. I tried to reproduce this
> before with drm-intel-nightly on SNB, IVB and HSW, but failed. Turns out I
> needed a more recent xorg intel driver to uncover the bug. I bisected the
> first appearance of the bug to
> 
> commit 975b9798be77b30cbed485583d0ccb48318708f7
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Wed May 21 08:58:24 2014 +0100
> 
>     sna: Add support for Present

I think that is a seperate bug, please could you file a new report with a full
description of the behavior you see and a full debug log. (There is certainly a
kernel regression due to planes)

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