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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 - *ERROR* displayport link status failed/*ERROR* clock recovery failed"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111013">111013</a>
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<th>Summary</th>
<td>*ERROR* displayport link status failed/*ERROR* clock recovery failed
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>XOrg git
</td>
</tr>
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<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<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/AMDgpu
</td>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>pmenzel+bugs.freedesktop.org@molgen.mpg.de
</td>
</tr></table>
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<pre>Created <span class=""><a href="attachment.cgi?id=144652" name="attach_144652" title="Linux 5.2-rc6 messages (dmesg)">attachment 144652</a> <a href="attachment.cgi?id=144652&action=edit" title="Linux 5.2-rc6 messages (dmesg)">[details]</a></span>
Linux 5.2-rc6 messages (dmesg)
Using Linux 5.2-rc6 and the card below
$ lspci -nn -s 01:00.0
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Oland XT [Radeon HD 8670 / R7 250/350] [1002:6610] (rev 81)
turning off and then back on the MST monitor Dell UP3214Q connected over DP,
the errors below are shown. Sometimes it happens that the display won’t come
back up.
[Wed Jun 26 15:50:41 2019] usb 1-10: USB disconnect, device number 4
→ turned monitor off
next morning turn it on:
[Thu Jun 27 10:39:39 2019] [drm:dce_v6_0_encoder_mode_set [amdgpu]] *ERROR*
Couldn't read Speaker Allocation Data Block: -2
[Thu Jun 27 10:39:39 2019] [drm:dce_v6_0_encoder_mode_set [amdgpu]] *ERROR*
Couldn't read SADs: -2
[Thu Jun 27 10:39:40 2019] [drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR*
displayport link status failed
[Thu Jun 27 10:39:40 2019] [drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR*
clock recovery failed
[Thu Jun 27 10:39:40 2019] [drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR*
displayport link status failed
[Thu Jun 27 10:39:40 2019] [drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR*
clock recovery failed
Please help me how to get to the bottom of why the clock recovery failed.</pre>
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