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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 - The native screen(eDP) would be black when rotate the external screen to inverted from normal"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108764">108764</a>
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<th>Summary</th>
<td>The native screen(eDP) would be black when rotate the external screen to inverted from normal
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>DRI 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>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>quanxian.wang@intel.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<pre>This bug happens on all OSVs and latest upstream code.
System Environment
=======
Platform Info: WHL-U(all platforms with eDP support)
Label: WHLU01
Processor: Genuine Intel(R) CPU 0000 @ 1.60GHz
Bios: CNLSFWR1.R00.X137.B00.1803280218
OS: ubuntu 18.10
Kernel: 4.18.0-9-generic
Bug detailed description
=======
Platform information:
Platform: WHLU
Label: WHLU01
Prcessor: Genuine Intel(R) CPU 0000 @ 1.60GHz
Bios: CNLSFWR1.R00.X137.B00.1803280218
OS: Ubuntu18.10(Cosmic Cuttlefish)
Kernel: 4.18.0-10-generic
Details:
1) Connect the SUT to an external screen with DP cable;
2) Power on and boot into the OS;
3) Rotate the DP screen with the command "xrandr --output xxx ("DP screen's
name") --rotate left/right/inverted/normal";
Results:
1) The native and DP screen displayed well when rotate the HDMI/DP screen to
left or right;
2) The native screen and HDMI/DP screen would display well if rotate the
HDMI/DP screen to inverted from left or right;
3) The native screen would be black when rotate the HDMI/DP screen to inverted
from normal, but the HDMI/DP screen displayed well.
No info in dmesg log, so just attach the journalctl log(
journalctl_4.18.0-10_rotate_WHLU.log ).
Expected Result
=============
work normally
Actual Result
===========
eDP turns black. But when rotate normal, it changed back and works well.
Analysis & Root Cause
===================</pre>
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