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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 - [Bay Trail-I] HDMI got black screen after boot with 4.0+ kernels"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96288">96288</a>
</td>
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<tr>
<th>Summary</th>
<td>[Bay Trail-I] HDMI got black screen after boot with 4.0+ kernels
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>phidias.chiang@canonical.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=124208" name="attach_124208" title="dmesg with drm.debug=0xe">attachment 124208</a> <a href="attachment.cgi?id=124208&action=edit" title="dmesg with drm.debug=0xe">[details]</a></span>
dmesg with drm.debug=0xe
CPU: E3826
Distro: Ubuntu 16.04 LTS
No graphic with 4.0+ kernels. After bisecting we've found this commit causes
regression:
commit d2182a660808d9053a605e3ebc8c46a323ec6e5d
Author: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
Date: Fri Jan 9 14:21:14 2015 +0200
drm/i915: Don't register HDMI connectors for eDP ports on VLV/CHV
We reverted this commit in Ubuntu 16.04 kernel (v4.4) and graphic works.
The attachment is dmesg with drm.debug=0xe parameter, with v4.6 kernel from
Ubuntu mainline kernel ppa.</pre>
</div>
</p>
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