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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BSW]Monitor losts signal on some interlaced resolutions."
href="https://bugs.freedesktop.org/show_bug.cgi?id=84303">84303</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>[BSW]Monitor losts signal on some interlaced resolutions.
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<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>x86-64 (AMD64)
</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>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=106824" name="attach_106824" title="dmesg">attachment 106824</a> <a href="attachment.cgi?id=106824&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: This is first time I test this machine, and I fail to find a good
commit.
Non-working platforms: Braswell
==kernel==
--------------------------
-nightly: 1c38dbc94bc61e685c72994cc9e634d4eb8c4da1 (fails)
drm-intel-nightly: 2014y-09m-23d-14h-26m-24s UTC integration manifest
-queued: 9adccc6063d1cf6ba38a5a26b87001554105be18 (fails)
drm/i915: add SW tracking to FBC enabling
-fixes: c84db77010877da6c5da119868ed54c43d59e726 (fails to light monitor up
since boot)
drm/i915/hdmi: fix hdmi audio state readout
==Bug detailed description==
-----------------------------
Monitor losts signal on some interlaced resolutions.
Resolutions Detail:
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 -o ConnectorsID,mode (interlaced resolution)
2. Check DP monitor</pre>
</div>
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