[Bug 102144] video tearing since update to xf86-video-ati 1:7.8.99.r16.gea30d856-1

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Aug 15 17:07:51 UTC 2017


--- Comment #11 from Barto <mister.freeman at laposte.net> ---
(In reply to Michel Dänzer from comment #9)
> P.S. If you don't want to use kwin's tearing avoidance functionality for
> some reason, you can use TearFree instead:
> xrandr --output DVI-0 --set TearFree on

so the solution I found is to create a radeon.conf file in /etc/X11/xorg.conf :

Section "Device"
    Identifier "Radeon"
    Driver "radeon"
    Option "TearFree" "on"
    Option "DRI" "3"
    Option "AccelMethod" "glamor"

I have a suggestion : you should enable by default "TearFree on" if the graphic
card supports both DRI 3 and glamor,

it will permit to eliminate tearing even if vsync is set to "never" in kwin

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