I resolve this problem.
I use a DP line replace the HDMI line, the problem is disappear.
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.ne
Apr 8 11:43:17 shaozj-HPDesk kernel: [ 876.939517] [drm:lspcon_wait_mode
[i915]] *ERROR* LSPCON mode hasn't settled
Apr 8 11:43:17 shaozj-HPDesk kernel: [ 877.355939] [drm:drm_lspcon_set_mode
[drm_kms_helper]] *ERROR* LSPCON mode change timed out
Apr 8 11:43:17 shaozj-HPDesk kernel: [ 877.3
** Summary changed:
- display can not wake up from sleeping.
+ displayer can not wake up from sleeping.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1916573
Title:
displayer can not wake up from s