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<body><span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [BYT]igt/kms_flip: DP link train fail due to IOSF sideband fabric timeout"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69693">bug 69693</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEEDINFO
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<td>REOPENED
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [BYT]igt/kms_flip: DP link train fail due to IOSF sideband fabric timeout"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69693#c24">Comment # 24</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [BYT]igt/kms_flip: DP link train fail due to IOSF sideband fabric timeout"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69693">bug 69693</a>
from <span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=69693#c23">comment #23</a>)
<span class="quote">> Can I get extra confirmation that current -nightly doesn't work by itself?
>
> I don't like that patch that I posted to the other bug, it theoretically
> shouldn't be needed...</span >
Test on latest -nightly kernel.
If attach VGA, it works well.
If attach edp, The error still exists.
dmesg -r | egrep "<[1-3]>" |grep drm
<3>[ 60.106871] [drm:intel_dp_start_link_train] *ERROR* failed to enable link
training
<3>[ 60.995917] [drm:intel_dp_complete_link_train] *ERROR* failed to train
DP, aborting
<3>[ 62.019355] [drm:intel_pipe_config_compare] *ERROR* mismatch in
has_dp_encoder (expected 1, found 0)</pre>
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