As far as I know, the patches that landed in 3.3 did not resolve all issues with HDMI audio on AMD GPUs (that's why upstream still defaults to radeon.audio=0).
** Bug watch added: freedesktop.org Bugzilla #46713 https://bugs.freedesktop.org/show_bug.cgi?id=46713 ** Also affects: linux via https://bugs.freedesktop.org/show_bug.cgi?id=46713 Importance: Unknown Status: Unknown ** Summary changed: - kernel backport request: hdmi audio support for amd hd6xxx cards + [kms/radeon] kernel backport request: hdmi audio support for amd evergreen cards -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/969001 Title: [kms/radeon] kernel backport request: hdmi audio support for amd evergreen cards To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/969001/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
