https://bugs.freedesktop.org/show_bug.cgi?id=46713
--- Comment #8 from Rafał Miłecki zajec5@gmail.com 2012-03-08 13:27:29 UTC --- Created attachment 58209 --> https://bugs.freedesktop.org/attachment.cgi?id=58209 drm/radeon/kms/audio: read correct regs on Evergreen
I guess this patch can fix the issue.
My problem is that I still don't know how much Evergreen is different from older cards. I still can't take a decision if it's worth splitting HDMI/audio code into R600 vs. Evergreen or not...