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by porfirium 3145 days ago
Wayland out of the box?
2 comments

I hope so. On Fedora 26 I still have to drop back to X11 in order to get my XPS13 to properly detect my external monitor (DisplayPort), Wayland will only allow the default lowest resolution with no option to increase it, which is very sad on a 28" 4K screen :-(

Will give Fedora 27 a go this evening and see...

I have a very similar setup: a Dell m3800 and a 4K external monitor.

Wayland, or rather gnome-shell, seems to do EDID detection a bit differently than Xorg. Getting a higher quality DisplayPort cable fixed it for me. The earlier cable did OK at 30Hz but freaked out trying for 60 Hz. X11 must retry more times, because it would usually manage to make it work for a while on the bad cable, although it still could randomly flicker off and reset the connection.

That's what is the issue with my set-up: EDID detection fails, so it defaults back to 1024x768 max resolution, with no way (that I can figure out) to manually override the resolution and refresh rate on Wayland. Tested with Fedora 27 yesterday after upgrading, still not working so back to X11 for me :-(
Wayland is the default display server since Fedora 25.
Yeah but frankly its been kinda beta, not quite "it just works" so far.
Especially for those of us with Optimus systems (shared frame buffer between intel and Nvidia graphics systems.)

Additionally, some laptops have external displays wired to Nvidia, making it impossible to use intel-only graphics with external displays.

Is this true on spins as well, or just the default gnome install?
Only GNOME.