[Intel-gfx] Valid DP connection without EDID?

[Takashi Iwai]

At Tue, 18 Sep 2012 10:48:11 -0400,
Adam Jackson wrote:
> 
> On Tue, 2012-09-18 at 16:32 +0200, Takashi Iwai wrote:
> 
> > Woohoo, the patch works!
> 
> \o/
> 
> > Could you brush up and resend the patches for merging to 3.7 kernel?
> > Or, would you like to fix the multiple branch devices first?
> 
> I'm not too worried about branch devices with multiple downstreams just
> yet.  I don't know of any you can buy anyway.  Even if you could there's
> some open questions about how we'd present them to the user, and the
> whole concept will need rethinking once we get multiple-stream support.
> 
> The only case I can think of where this might not work sanely is an
> active DP->HDMI adaptor with sinks for both audio and video?  But again,
> I don't think those exist.  If they do you'd expect both the A and V
> sinks to plug simultaneously, so sink count should always be either zero
> or non-zero, so it should work anyway.

FWIW, I tried an active DP->DVI adapter, and it seems working, too.
But the sink count is 1, so it doesn't look like A+V sinks.


Takashi