[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

Branen Salmon <bugs at nenarb.net> changed:

           What    |Removed                     |Added
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                 CC|                            |bugs at nenarb.net

--- Comment #20 from Branen Salmon <bugs at nenarb.net> ---
Created attachment 111880
  --> https://bugs.freedesktop.org/attachment.cgi?id=111880&action=edit
Logs from a reproduction of the bug using recent software

I'm seeing the same issue with Xorg 1.16.2.901, Linux 3.16.0, and a Radeon HD
7750.  I've attached DRM logs that contrast the behavior when the monitor is
power-cycled in X (there's no signal when the monitor is powered back on) to
the behavior when the monitor is power-cycled in kernel framebuffer VT (the
signal returns when the monitor is powered back on), but am not sure what to
make of them.

Thanks!

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