[Bug 66306] New: [HSW ULT] display port can't turn off by using xrandr --output xxx --off

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66306

          Priority: medium
            Bug ID: 66306
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW ULT] display port can't turn off by using xrandr
                    --output xxx --off
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: yangweix.shui at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 81621
  --> https://bugs.freedesktop.org/attachment.cgi?id=81621&action=edit
dmesg: display port can't turn off by using xrandr

Environment:
-------------
kernel: (drm-intel-next-queued)9199918a1e148c18e3519cb7b2d90a127d7ea87b
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Thu Jun 27 17:52:15 2013 +0200
          drm/i915: fix hpd interrupt register locking

HW info:
-------------
Shark Bay ULT Pre-Beta (Sawtooth Peak Fab3): 
Host bridge id=0x0a04 (rev 09)  
CPU i7-4550U 1.50GHz,cpu MHz:1400  
BIOS version: V126; 

Description:
------------
If I execute "xrandr --output xxx(eDP or DP or HDMI) --off", I find the screen
is not turned off, and 5 X box will pop up. I attached the photo and dmesg
here.


Reproduce steps:
--------------------
1. xinit &
2. xrandr --output eDP1 --off

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