[Bug 46711] Monitor not turning on after DisplayPort re-plug in Xorg

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=46711

--- Comment #4 from Wolfgang Rupprecht <wolfgang.rupprecht at gmail.com> 2012-04-13 14:48:22 PDT ---
I'm seeing the same thing.  Na display after either replug/hotplug, front-panel
soft-off power cycling, or back-panel power supply power cycling.

xorg-x11-server-Xorg-1.11.4-1.fc16.x86_64
xorg-x11-drv-ati-6.14.3-4.20120201git36c190671.fc16.x86_64

Samsung s27a850d displayport monitor
ATI Technologies Inc Cadar [FirePro 2460]   (I think they meant ATI "Cedar")

forcing DPMS off and on will restore display.  (I have this shell script bound
to F12 and taping that key will restore the display.)

    xset dpms force off
    sleep 1
    xset dpms force on

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