That's not necessary. There is ddcci-dkms which can be built against the running kernel and signed as all the other modules. I use it on both Ubuntu (via shim +

That's not necessary. There is ddcci-dkms which can be built against the running kernel and signed as all the other modules. I use it on both Ubuntu (via shim + grub) and Arch (via direct boot). This allows controlling the screen brightness from the usual places (gnome power menu thingy or via light for the i3 crowd). See the Arch Linux Wiki for more info [0]. Arch : ddcci-driver-linux-dkms (aur) Ubuntu : ddcci-dkms [0] https://wiki.archlinux.org/index.php/Backlight#External_monitors https://wiki.archlinux.org/index.php/Backlight#External_moni...