[Bug 336765] [NEW] xserver-xorg-video-intel: TMDS-2 not discovered on dual-DVI ADD2 card

[Greg Edwards]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

The X intel driver in current intrepid (2:2.4.1-1ubuntu10.3) and in
jaunty alpha 5 (2:2.6.1-1ubuntu3) does not correctly discover and
initialize the 2nd DVI port on a dual-dvi ADD2 card.  The card is a
Wintec Pegasus ADD2 card:

http://www.wintecindustries.com/orderdesk/products/productInfo.aspx?category_id=2129&product_id=21327

Only TMDS-1 is detected and initialized.  The issue is the same as
reported in:

Bug 19770: Q965 dual-head DVI with ADD2 2nd panel can't be found
https://bugs.freedesktop.org/show_bug.cgi?id=19770

I applied a modified version of the patch in comment #22 to the 2:2.4.1-1ubuntu10.3 driver in intrepid, and it
resolved the issue fine.  Note the issue also exists in jaunty alpha5.

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New

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xserver-xorg-video-intel: TMDS-2 not discovered on dual-DVI ADD2 card
https://bugs.launchpad.net/bugs/336765
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