Il giorno dom, 09/07/2023 alle 11.30 -0400, Felix Miata ha scritto:
Package amd-gpu-firmware includes firmware for ati/radeon. If it is
not installed, try installing it and restarting X before changing the
display driver as above.
Thanks Felix, I have install this new package and reinstall kernel-
core.
Now all work fine.
Dario