[Bug 101222] [amd-staging] No DisplayPort surround sound with DC on RX 480 (HDMI works)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101222

James Le Cuirot <chewi at gentoo.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[amd-staging] No HDMI/DP    |[amd-staging] No
                   |surround sound with DC on   |DisplayPort surround sound
                   |RX 480                      |with DC on RX 480 (HDMI
                   |                            |works)

--- Comment #9 from James Le Cuirot <chewi at gentoo.org> ---
(In reply to Mikko Autio from comment #7)
> (In reply to James Le Cuirot from comment #6)
> > (In reply to Mikko Autio from comment #4)
> > > Attached patch fixes multi-channel HDMI audio on my RX 460.
> > 
> > I was about to shower you with praise but sadly that patch made no
> > difference here. :(
> 
> Maybe there is something else broken with DisplayPort audio?

Yes! I switched the outputs around (one was just using an adapter) and now it
works! I really should have tried that sooner. This arrangement is fine for me
as the monitor is just stereo anyway.

LPCM works and so does ALSA pass-through but PulseAudio is refusing to do
pass-through for some reason. I've had it working in the past but I can live
with that for now.

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