I’ve recently got a FreeSync monitor and am still figuring out how to get VRR (variable refresh rate, or “adaptive sync”) to work consistently.
I’d love to hear your experience with VRR.
Some of my tests:
In sway
, I set adaptive_sync on
for my display, and swaymsg -t get_outputs
reports Adaptive sync: enabled
sway -Dnoscanout
. Apparently, this has its drawbacks.-Dnoscanout
, moving the mouse breaks VRR and causes stutteringIn hyprland
, I set vrr = 1
and get similar results as sway -Dnoscanout
In gamescope
(embedded from VTT, with --adaptive-sync
), I get the best results yet
My setup is 6600xt, Gigabyte M28U monitor, Arch 6.1.64-1-lts. I test with vrrtest and with Ghostrunner on wine-tkg-staging-fsync-git 8.13.r7.gc210ef9f-327
Gaming on the GNU/Linux operating system.
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I’ve been fucking around a lot with this same stuff on a similar setup (6900XT, sway, M27QP, Arch 6.4 tkg-pds). I managed to make it work more or less flawlessly. Here’s how I did it:
I use
MANGOHUD=1 gamemoderun %command%
in Steam to run my games.When Gamemode runs, it’s configured to enable
adaptive_sync
, startgpu-screen-recorder
, and run a script that setspp_power_profile_mode
to1
andpower_dpm_force_performance_level
tohigh
. As @Atemu mentioned, there’s some kind of bug with amdgpu, so by default the power management will be all over the place.The built-in frame limiter in some games (e.g. Apex Legends, Risk of Rain 2) can cause stutter for some reason I don’t understand. V-Sync also had stutter and also caused noticeable input lag. The solution was to use MangoHud’s frame limiter with
fps_limit=165
inMangoHud.conf
.This patch fixes the mouse move VRR issue. There’s instructions on how to apply it if you scroll down a bit. If it still doesn’t work right, try launching sway with
WLR_NO_HARDWARE_CURSORS=1 sway
. No need to disable direct scanout either.Let me know if it works!