I asked a similar question about hiDPI scaling here. This question regards a universal hiDPI mode, the other question is about fixing scaling on a specific application.
I am using a 4k monitor in Pop!_OS 19.04 running Gnome.
The OS automatically detects this and changes into hiDPI mode, but only after I log in after boot.
This means the log in screen when I boot is far too small. Additionally, when I log in, the screen flickers and I get a notification
Displays Set to HiDPI mode every time. The problem does not arise when suspending the computer.
The command to change to hidpi mode manually is
gsettings set com.system76.hidpi enable true
but this does not seem to permanently change to hidpi mode. Running this command in
Startup Applications does not work either.
Is there a way to permanently change to hiDPI mode so the OS doesn't have to change it every time I boot? Or change the default setting to hiDPI somehow?