New comment by marmeladema on void-packages repository https://github.com/void-linux/void-packages/issues/29394#issuecomment-799811928 Comment: I am using a DELL U2520D external monitor connected through USB Type-C and I think I am encountering the exact same issue. With linux5.10 my maximum resolution is 2560x1440 / 60Hz And with linux5.11 its capped at 2048x1080 / 30Hz and is kind of slow / blurry