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<body><span class="vcard"><a class="email" href="mailto:ville.syrjala@linux.intel.com" title="Ville Syrjala <ville.syrjala@linux.intel.com>"> <span class="fn">Ville Syrjala</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - HDMI detection fails, i915 Intel HD400"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103471">bug 103471</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEEDINFO
</td>
<td>RESOLVED
</td>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - HDMI detection fails, i915 Intel HD400"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103471#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - HDMI detection fails, i915 Intel HD400"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103471">bug 103471</a>
from <span class="vcard"><a class="email" href="mailto:ville.syrjala@linux.intel.com" title="Ville Syrjala <ville.syrjala@linux.intel.com>"> <span class="fn">Ville Syrjala</span></a>
</span></b>
<pre>(In reply to Pablo from <a href="show_bug.cgi?id=103471#c9">comment #9</a>)
<span class="quote">> (In reply to Ville Syrjala from <a href="show_bug.cgi?id=103471#c8">comment #8</a>)
> > (In reply to Pablo from <a href="show_bug.cgi?id=103471#c7">comment #7</a>)
> > > Created <span class=""><a href="attachment.cgi?id=135088" name="attach_135088" title="cat /sys/kernel/debug/dri/0/i915_opregion">attachment 135088</a> <a href="attachment.cgi?id=135088&action=edit" title="cat /sys/kernel/debug/dri/0/i915_opregion">[details]</a></span>
> > > cat /sys/kernel/debug/dri/0/i915_opregion
> >
> > EFP device info:
> > Device handle: 0x0040 (EFP 2 (HDMI/DVI/DP))
> > ...
> > Port: 0x03 (HDMI-D)
> > AIM I2C pin: 0x00
> > AIM Slave address: 0x00
> > DDC pin: 0x04
> >
> > "i2c-3 i2c i915 gmbus dpc I2C adapter"
> >
> > Those two pieces of information do suggest that the commit in question
> > should in fact fix this.
>
> Kernel 4.13.8 fixed the issue! Thanks! Do you know if there is patch for
> Kernel 4.4.0-97 that I could apply using dkms?</span >
No idea about ubuntu kernels. Presumably they will still provide stable kernel
updates, and the patch should eventually percolate down to all stable kernels
(I hope).
Anyways, thanks for reporting the issue and testing the fix.
Marking the bug as fixed:
commit ea850f64c2722278f150dc11de2141baeb24211c (tag:
drm-intel-fixes-2017-10-11)
Author: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>>
Date: Thu Sep 28 11:21:57 2017 +0300
drm/i915/bios: parse DDI ports also for CHV for HDMI DDC pin and DP AUX
channel</pre>
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