Grub on HiDPI screen

Inspired by the blog post ​Increase Font in GRUB for High DPI Screens from Ward Muylaert. I decided to try to make it work under Fedora 32 on a system which uses EFI boot.

First make the font compatible for grub: $ grub2-mkfont /usr/share/fonts/dejavu-sans-mono-fonts/DejaVuSansMono.ttf --size=48 --output=/boot/efi/EFI/fedora/fonts/DejaVuSansMono48.pf2

Next update the grub configuration: $ sudo grub2-mkconfig -o /etc/grub2-efi.cfg

Strictly speaking not required, how-ever I like to keep the files in sync: $ sudo grub2-mkconfig -o /etc/grub2.cfg

Alter content of file:/etc/default/grub to include font reference. The GRUB_TERMINAL_OUTPUT is optional, it should be included by default when specifying a new font. 

#GRUB_TERMINAL_OUTPUT="console"
GRUB_TERMINAL_OUTPUT="gfxterm"

GRUB_FONT=/boot/efi/EFI/fedora/fonts/DejaVuSansMono48.pf2

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