[Bug 32732] [KMS] HDMI-0 connected, but shown as DVI-0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=32732

--- Comment #11 from Alex Deucher <agd5f at yahoo.com> 2011-01-04 12:48:19 PST ---
(In reply to comment #10)
> (In reply to comment #9)
> > (In reply to comment #8)
> > > So DVI-D and HDMI share the same HPD.
> > 
> > So there's no way to tell which is connected.  I'm inclined to expose only one
> > connector since they are wired up to the same encoder and hpd pin and you
> > can't use them independently.
> 
> Having always HDMI connected makes sense, but what about enabling/disabling the
> HDMI audio?
> 
> Cannot DDC/EDID for example offer a hint whether the HDMI/DVI is connected? Or
> can it be determined from audio HDMI functionality whether the HDMI is
> plugged-in? I'm just guessing :-)

hdmi audio works over hdmi or dvi (on radeon cards) and whether or not the
monitor supports audio is determined by the CEA extension blocks in the EDID.

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