[Bug 86424] New: [BDW]After unplug HDMI/DP, eld information show abnormally on the text mode.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86424

            Bug ID: 86424
           Summary: [BDW]After unplug HDMI/DP, eld information show
                    abnormally on the text mode.
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: danx.z.zhao at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 109655
  --> https://bugs.freedesktop.org/attachment.cgi?id=109655&action=edit
dmesg

Precondition:
Connect HDMI/DP cable with monitor.

Reproduce Steps:
1.cat /proc/asound/card0/eld*
2.unplug HDMI/DP cable
3.cat /proc/asound/card0/eld*

Actual result:
After step3,unplug HDMI/DP cable,the screen dispaly as below: 
monitor_present         1
eld_valid               0

Except result:
After step3,unplug HDMI/DP cable,the screen should dispaly as below: 
monitor_present         0
eld_valid               0

The test environment:
Hardware
CRB:SawTooth Peak
Platform: Broadwell-U
CPU: Broadwell U F0
Chipset PCH: Wildcat Point –LP B0
Audio card: ALC286S
Software
BIOS: BDW-E1R1.86C.0093.R00.1409071941
Kernel: 3.18.0-rc4
Branch: git://anongit.freedesktop.org/drm-intel
drm-intel-nightly
Commit:e49ebf

Comment:
On the drm-intel-nightly 2014_10_27,can't reproduce the issue.

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