$ dpkg -i firmware-misc-nonfree_20190114-1_all.deb firmware-linux_20190114-1_all.deb firmware-linux-nonfree_20190114-1_all.deb firmware-amd-graphics_20190114-1_all.deb
(Reading database ... 452018 files and directories currently installed.)
Preparing to unpack firmware-misc-nonfree_20190114-1_all.deb ...
Unpacking firmware-misc-nonfree (20190114-1) over (20190114-1) ...
Preparing to unpack firmware-linux_20190114-1_all.deb ...
Unpacking firmware-linux (20190114-1) over (20190114-1) ...
Preparing to unpack firmware-linux-nonfree_20190114-1_all.deb ...
Unpacking firmware-linux-nonfree (20190114-1) over (20190114-1) ...
Preparing to unpack firmware-amd-graphics_20190114-1_all.deb ...
Unpacking firmware-amd-graphics (20190114-1) over (20161130-4) ...
Setting up firmware-misc-nonfree (20190114-1) ...
update-initramfs: deferring update (trigger activated)
Setting up firmware-amd-graphics (20190114-1) ...
Setting up firmware-linux-nonfree (20190114-1) ...
Setting up firmware-linux (20190114-1) ...
Processing triggers for initramfs-tools (0.130) ...
update-initramfs: Generating /boot/initrd.img-4.20.3-absurd.2