https://bugs.freedesktop.org/show_bug.cgi?id=111013
Bug ID: 111013
Summary: *ERROR* displayport link status failed/*ERROR* clock
recovery failed
Product: DRI
Version: XOrg git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: [email protected]
Reporter: [email protected]
Created attachment 144652
--> https://bugs.freedesktop.org/attachment.cgi?id=144652&action=edit
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.
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