[Bug 45334] Dual screen not work on SUMO gpu

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=45334

--- Comment #25 from Alex Deucher <agd5f at yahoo.com> 2012-06-08 07:34:37 PDT ---
Also does manually turning the DVI-D display off/on with xrandr help?  Or boot
with one display attached and plug in the second one later?  Does it work in
that case?  Also what modes are you trying to use each monitor?  The xorg log
you attached doesn't have much content.  If you are trying to use a high res
monitor that requires duallink DVI, you will need to enable duallink support in
your bios setup.  As it requires two links, enabling duallink dvi the bios also
disables the secondary display on the motherboard since both are then used for
DVI.

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