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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BXT-P/APL] Broken screen appeared when change pipeline for DP or HDMI under 4K resolution"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95500">95500</a>
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<th>Summary</th>
<td>[BXT-P/APL] Broken screen appeared when change pipeline for DP or HDMI under 4K resolution
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>major
</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>
</tr>
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<th>Reporter</th>
<td>han.lu@intel.com
</td>
</tr>
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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>
</tr></table>
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<pre>Created <span class=""><a href="attachment.cgi?id=123935" name="attach_123935" title="dmesg log">attachment 123935</a> <a href="attachment.cgi?id=123935&action=edit" title="dmesg log">[details]</a></span>
dmesg log
Pre-condition: DP under 4K resolution + off eDP + HDMI(1080P), then change DP
pipeline
Result: DP goes blank and HDMI display blurred screen(after change DP back to
1080P, then both DP and HDMI display normally)
System Environment:
Platform: Apollo lake RVP1a FabA
BIOS: APLKRVPA.X64.0126.B51.1602260229
KSC FW:1.10
BXT SOC : B0
GOP : 10.0.1025
Board ID: APL RVP 1A (01)
CPU Flavor: BXT Tablet (0)
FAB ID: FAB1
Total Memory : 8GB
Kernel:4.6.0-rc6
Tree: git://anongit.freedesktop.org/drm-intel
Branch:drm-intel-testing
Commit: drm-intel-testing-2016-05-08
HW-rework: F-28C, F-27, F20</pre>
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