https://bugzilla.kernel.org/show_bug.cgi?id=62601
Rafał Miłecki zajec5@gmail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- CC| |zajec5@gmail.com
--- Comment #1 from Rafał Miłecki zajec5@gmail.com --- RS880 is a DCE 3.0, you may want the following fix: drm/radeon: fix hdmi audio on DCE3.0/3.1 asics
Please try 3.11.4 which includes it and report back.