[Nouveau] [Bug 27905] DVI monitor is blank - DVI detected as Display Port ?

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27905

--- Comment #14 from Julien Wajsberg <felash at gmail.com> 2010-05-04 16:11:32 PDT ---
(In reply to comment #13)

> I don't recall nv (unless by nv you mean the proprietary driver) doing anything
> of the sort.  In any case, nouveau does something similar in this case, hence
> LVDS being reported as "unknown connection".  We do this instead of
> "disconnected" so that X will setup LVDS still if the lid is closed and nothing
> else is plugged in.

Yes, and that's good.


> As I mentioned above, the VBIOS reports the connectors as DisplayPort as the
> docking station could potentially have DP instead of DVI-D connectors.  There's
> no way for us to tell which the manufacturer wired up, so we assume it's DP. 
> This has no effect on functionality.

So that's ok :-)


> Ok, my question for you is:  Are you able to make your VBIOS setup the DVI
> display during POST instead of the LVDS panel?  There may be options in your
> BIOS setup to allow this.  If so, let me know and we may be able to get traces
> that'll help me track this problem down for you.

That is my current set up: BIOS POST and Linux kernel messages are shown on the
DVI display until nouveau is loading.

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