Ubuntu
xorg-server package

  1. Bug #1890772
  2. Comment #20

Comment 20 for bug 1890772

Revision history for this message
Daniel van Vugt (vanvugt) wrote : Re: Some external 4K monitor is not working properly

Note also that if you did have a machine that required:

  xrandr --output DP-3 --set "max bpc" 8

on a 4K 60Hz display then that may indicate a bandwidth problem. Maybe a limitation of the cable. Does a max bpc of 10 also work? What values don't work?