External DVI vs. External VGA

[Eric Anholt]

On Sun, 2007-03-25 at 20:16 -0700, Keith Packard wrote:
> On Mon, 2007-03-26 at 12:47 +1200, Andrew McMillan wrote:
> > Hi,
> > 
> > I am using version of 1.9.92 -video-intel (patched to handle the
> > 1440x1050 resolution) and have my external LCD panel working when I
> > connect it to the VGA connector in my laptop, or the VGA connector in my
> > docking station.  These seem to be equivalent.
> > 
> > However I can't seem to get it to work using the DVI connector in my
> > docking station.
> 
> I've wondered whether that would work; I have a similar laptop, but
> haven't got the docking station.
> 
> > xrandr does not list the DVI at all.  Here's the output:
> 
> That's not encouraging; that means the X server didn't detect an SDVO
> chip. Could you post the Xorg.0.log file so we can see what the driver
> did?

Previous Intel laptops we've seen which are compatible with docks that
happen to have DVI ports have not mentioned support for docked DVI (only
VGA) in their documentation.

-- 
Eric Anholt                             anholt at FreeBSD.org
eric at anholt.net                         eric.anholt at intel.com