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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [Byt Regression]DP monitor fail to be lighted up on every interlaced scanning resolution."
href="https://bugs.freedesktop.org/show_bug.cgi?id=83866">83866</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[Byt Regression]DP monitor fail to be lighted up on every interlaced scanning resolution.
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>critical
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>lei.a.liu@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=106294" name="attach_106294" title="dmesg">attachment 106294</a> <a href="attachment.cgi?id=106294&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
I fail to find a good commit.
Non-working platforms: Baytrail
==kernel==
--------------------------
-nightly: 43df30da20447e2856b2761215ff274886a9f931 (fails)
drm-intel-nightly: 2014y-09m-12d-15h-35m-20s UTC integration manifest
-queued: 648fb42d1e77cf90cddea2b1cf1f4ac4453e65e6 (fails)
drm/i915: Extend BIOS stolen mem handling to all platform
-fixes: e76c8c5979021483a3a6b480cfe360c644a403c0 (fails)
drm/i915: Fix SRC_COPY width on 830/845g
==Bug detailed description==
-----------------------------
Monitor Manufacturer: ASUS
Monitor mode veision : PA238Q
DP monitor fail to be lighted up on every interlaced scanning resolution.
Resolution details:
1920x1080i 60 1920 2008 2052 2200 1080 1084 1094 1125 0x15 0x40 74250
1920x1080i 60 1920 2008 2052 2200 1080 1084 1094 1125 0x15 0x40 74176
1920x1080i 50 1920 2448 2492 2640 1080 1084 1094 1125 0x15 0x40 74250
==Reproduce steps==
----------------------------
1. ./testdisplay -a
2. check interlaced scanning resolution</pre>
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