How to enable FreeSync on Ubuntu Mate

Tips, Tricks and Tutorials Tutorials & Guides
#1

How to enable FreeSync on Ubuntu Mate

  • First we need to check the system kernel

Press :CTRL-ALT-T to open the terminal
Type in the terminal:
uname -r

This command will help you to see what kernel version you have. FreeSync is available from kernel 5.0 and up

image
image.png735×247 15.5 KB

  • Check the monitor if it is vsync capable

Press :CTR-ALT-T to open the terminal
Type in the terminal:
xrandr --prop | less

Check for the line vrr_capable:x, If it's 1 then the monitor is vsync capable , if is 0 then is not.

image
image.png981×990 98.3 KB

  • Enable vsync on your system

Press :CTR-ALT-T to open the terminal
Type in the terminal:
sudo mkdir /etc/X11/xorg.conf.d/

Type in the terminal:
echo -e 'Section "Device"
Identifier "Radeon"
Driver "radeon"
Option "TearFree" "on"
Option "VariableRefresh" "true"
EndSection' | sudo tee /etc/X11/xorg.conf.d/20-amd.conf

image
image.png737×163 22.8 KB

  • Reboot your OS

  • Check to see if vsync is enable on your OS

Type in the terminal:
grep VariableRefresh /var/log/Xorg.0.log

image
image.png990×238 26.2 KB

:exclamation: Limitations :exclamation:

  • You can only use Freesync with DisplayPort as of kernels 5.x. Support for HDMI may be added in the future.

  • Freesync will only work for games and programs running full screen .

****For a more extensive tutorial you can take a look at https://linuxreviews.org/HOWTO_enable_Adaptive_Vertical_Sync_(Freesync)_on_AMD_GPUs

2 Likes