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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [Skylake] it shows disconnect in /sys/class/drm/card0-HDMI-A-1/status after insert HDMI"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=91422">91422</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[Skylake] it shows disconnect in /sys/class/drm/card0-HDMI-A-1/status after insert HDMI
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>evawang@linpus.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=117290" name="attach_117290" title="dmesg">attachment 117290</a> <a href="attachment.cgi?id=117290&action=edit" title="dmesg">[details]</a></span>
dmesg

it shows disconnect in /sys/class/drm/card0-HDMI-A-1/status after insert HDMI,
we can't get correct HDMI connector status when plug or unplug.
but from the dmesg it can receive hotplug event.
kernel: 4.2-rc3
attachment is the dmesg, please refer.
dmesg.log
dmesg_hdmi_plug.log
dmesg_hdmi_unplug.log
lspci.log

Please help to check the issue, if you need any other information, please tell
me.</pre>
        </div>
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