Есть железо: intel hd4600. Настройки xorg.conf
Section "Device"
Identifier "Card0"
Driver "intel"
BusID "PCI:0:2:0"
Option "TripleBuffer" "true"
Option "AccelMethod" "sna"
Option "TearFree" "true"
Option "DRI" "3"
EndSection
~/.profile
export __GL_SYNC_TO_VBLANK=1
export __GL_YIELD="USLEEP"
set vblank_mode=1
export vblank_mode=1
Если сделать ~/.drirc с содержимым
<driconf>
<device screen="0" >
<application name="all">
<!-- Always synchronize with vertical refresh to avoid tearing -->
<option name="vblank_mode" value="3"/>
</application>
</device>
</driconf>