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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [Sgb regression]DP can't light up after rotation and unplug"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86237">86237</a>
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<th>Summary</th>
<td>[Sgb regression]DP can't light up after rotation and unplug
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>XOrg git
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Keywords</th>
<td>bisect_pending
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>li.l.xu@intel.com
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=109387" name="attach_109387" title="dmesg">attachment 109387</a> <a href="attachment.cgi?id=109387&action=edit" title="dmesg">[details]</a></span>
dmesg
Environment:
--------------------------
Platform: Sgb
Kernel: (drm-intel-nightly) 2014-11-13 22ba72f728eaf30e63ded0c0bb0484b4bc6f92d4
Bug detailed description:
-----------------------------
xrandr --output DP1 --rotation left
DP can successfully rotate. Then unplug the DP,and plug in ,it can't light up.
dmesg error message:
*ERROR* failed to disable transcoder A
Steps:
---------------------------
xinit&
xrandr --output DP1 --rotation left
unpligin the DP monitor
plug in the DP monitor</pre>
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