[Bug 89661] [suse sna] failed to set mode: Invalid argument [22]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89661

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
I think it is a Feature. The 3rd PLL on Ivybridge is limited - only we have no
way yet of knowing if the user configuration is valid ahead of time and no way
of telling RandR of the limits.

If you did

$ xrandr --output LVDS1 --off --output HDMI1 --off --output DP2 --off
$ xrandr --output DP2 --preferred
$ xrandr --output HDMI1 --preferred --right-of DP2
$ xrandr --output LVDS1 --preferred --right-of HDMI1

do you get 3 pipes lit up?

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