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I have a really weird issue with my external display. I am using a USB-C to DisplayPort adapter to plug into a 4K monitor. If the monitor goes to sleep, or if I unplug from the monitor with Sway, when the monitor wakes up or if I plug back into it, the display is corrupted, it looks like what I'd expect from some sort of GPU issue. Here are some pictures of what my monitor looks like: https://imgur.com/a/FWbvCr1
I use GDM with Sway, and one thing I noticed was that if I logged out of Sway and logged back in, my display would be back to normal. I suspect that GDM is doing something to rectify my issue, but I'm not sure what. To further test this, I used Gnome for a day, and the monitor was totally fine -- no issues at all. I'm betting Gnome does something to handle the display, possibly something to do with the color profile, or maybe even thunderbolt/USB-C? I'm not sure, but I was hoping someone else would have some insight.
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Some other info: I'm using a Dell XPS 13 and a USB-C to DisplayPort adapter, and another USB-C -> USB2 hub with power supply so I can plug my keyboard in.
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Just an update from the github issue I linked above.
Try sway-git. It solves this particular issue for me.
Unfortunately, there's a second issue that keeps me from using sway right now. It may not happen to you, sway-git is worth a try.
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Yeah I'm in the same boat. sway-git fixed the issue with garbled output/bad gamma values. Right now it seems like displays won't be re-enabled.
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