Framework 16 unable to use external monitors, ussi_acpi errors

Which Linux distro are you using?

cachy os

Which release version?
(if rolling release without a release version, skip this question)

(If rolling release, last date updated?)

Which kernel are you using?

7.0.12-r1

Which BIOS version are you using?

3.06

Which Framework Laptop 16 model are you using? (AMD Ryzen™ 7040 Series)

ryzen ai 300

i am unable to get display out to external monitors unless i install display link where it seems to be using software rendering as cpu gets pretty loaded when running. i keep getting Jun 15 10:50:37 cachywork kernel: ucsi_acpi USBC000:00: unknown error 256 upon plugging in the display port card or plugging in a display port monitor, or plugging in a startech laptop dock. i am unable to fix this.

Hey! Reach out to our support and ask to speak to the Linux team. They’ll be happy to check it out for you and give you some options!