this post was submitted on 16 Mar 2024
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Yeah, was just reading about it and it kind of sucks, since one of the main reasons I wanted to go Wayland was multi-monitor VRR and I can see it is also an issue without explicit sync :/
Yeah. I have a multi-monitor VRR setup as well and happened to have a 3090 and not being able to take advantage of Wayland really sucks. And its not like Xorg is any good in that department either so you’re just stuck between a rock and a hard place until explicit sync is in
Lets see what will happen first- me getting a 7900xtx or this protocol being merged
I haven't kept up with the explicit sync support since I eventually did migrate over to AMD in October after the 545 Nvidia driver came out and didn't impress me at all - however I did hear in passing that you can get the explicit sync patch already in some ways, just a quick search reveals that Arch has this in the AUR already as
xorg-xwayland-explicit-sync-gitand that Nobara might already have it (I can't find official confirmation on this).I noticed there was also some debate as to whether you would need a patched version of the compositor as well - but someone claims that just the XWayland patch worked for them (links to Reddit, as a heads up).
So your mileage may vary and it might require a varying level of work depending on what distro you run, however it might be worth looking into a bit more.
The patches exist for Wayland/Xwayland but the Compositor itself has to be patched as well for it to completely work. KDE does not have its fix for explicit sync merged in yet so its not patched as of Plasma 6.0.1. It did make things slightly better but all it did was make the flickering less frequent, but its still there.
I see, well hopefully it'll get merged in the various compositors soon then! Wayland was a non-starter for me with that issue, and is precisely what led me to AMD.