[Bug 68485] [HSW] wrpll sharing not implemented (3x HDMI/DVI screens)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68485

--- Comment #13 from Richard Neill <xorg at richardneill.org> ---
Interestingly, I can now make it work if I use a passive DVI->VGA adapter.

This configuration works for me (albeit with slightly imperfect quality on the
VGA-connected monitor):

Monitor #1
HDMI output -> adapter -> DVI input (1600x1200)

Monitor #2
HDMI output -> adapter -> DVI input (1600x1200)

Monitor #3
DVI output -> adapter -> VGA input (1600x1200)

The 3rd one has to be VGA, or it won't work. Using a direct DVI->DVI cable is
problematic.

Also, the VGA port isn't autidetected as 1600x1200 capable, but this can be
fixed with:
xrandr --addmode VGA1 1600x1200
xrandr --output VGA1 --mode 1600x1200

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