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<body><span class="vcard"><a class="email" href="mailto:imre.deak@gmail.com" title="Imre Deak <imre.deak@gmail.com>"> <span class="fn">Imre Deak</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [BYT]igt/kms_flip/wf_vblank-vs-modeset cause WARNING: CPU: 0 PID: 3716 at drivers/gpu/drm/i915/intel_dp.c:2653 intel_dp_link_down+0x5b/0x18d [i915]()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70570">bug 70570</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>NEW
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<td>NEEDINFO
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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [BYT]igt/kms_flip/wf_vblank-vs-modeset cause WARNING: CPU: 0 PID: 3716 at drivers/gpu/drm/i915/intel_dp.c:2653 intel_dp_link_down+0x5b/0x18d [i915]()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70570#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [BYT]igt/kms_flip/wf_vblank-vs-modeset cause WARNING: CPU: 0 PID: 3716 at drivers/gpu/drm/i915/intel_dp.c:2653 intel_dp_link_down+0x5b/0x18d [i915]()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70570">bug 70570</a>
from <span class="vcard"><a class="email" href="mailto:imre.deak@gmail.com" title="Imre Deak <imre.deak@gmail.com>"> <span class="fn">Imre Deak</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=70570#c3">comment #3</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=70570#c1">comment #1</a>)
> > Created <span class=""><a href="attachment.cgi?id=92023" name="attach_92023" title="don't disable DP port during hot unplug">attachment 92023</a> <a href="attachment.cgi?id=92023&action=edit" title="don't disable DP port during hot unplug">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=70570&attachment=92023'>[review]</a> [review] [review]
> > don't disable DP port during hot unplug
> >
> > I hit the same WARN by first unplugging the DP cable and then doing an
> > xrandr --off. The problem is that that during the modeset the driver tries
> > to disable the already disabled DP port. One solution would be to leave the
> > port enabled during the unplug event handling and only disable it during the
> > subsequent modeset.
> >
> > The attach patch does this, could you try it?
>
> This bug still can be reproduce with the patch, please check the dmesg "Call
> trace with patch" for details, thanks.</span >
This looks like a separate issue, could you provide a dmesg with drm.debug=0xe
set?</pre>
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