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@ivan
Created Nov 30, 2017
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/etc/X11/xorg.conf.d/20-radeon.conf
Section "Device"
Identifier "Radeon"
# Set Driver "radeon" because xorg now uses the modesetting driver by
# default for Radeon HD GPUs and it causes a lot of triangular tearing.
Driver "radeon"
# We don't need TearFree to avoid tearing in Chrome and mpv; TearFree also
# has the disadvantage of making switches to text VTs take 2 seconds.
#Option "TearFree" "on"
# Use the default exa; glamor causes subtle but visible triangular tearing
# when used without TearFree.
#Option "AccelMethod" "glamor"
# DRI3 is not enabled by default on my Radeon HD 6470M
# https://en.wikipedia.org/wiki/Direct_Rendering_Infrastructure#DRI3
# https://www.phoronix.com/scan.php?page=news_item&px=Ubuntu-16.04-Enable-DRI3
Option "DRI" "3"
EndSection
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