[Bug 110954] USB Type-C monitor flashes once when play a video file after unplug and re-plug the monitor

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Aug 16 22:54:36 UTC 2019


https://bugs.freedesktop.org/show_bug.cgi?id=110954

--- Comment #10 from Nathan Ciobanu <nathan.d.ciobanu at linux.intel.com> ---
(In reply to Stanislav Lisovskiy from comment #8)
> Does it also flash, if you play video with sound device being disabled?

No if I blacklist snd_hda_intel module to disable audio the bug is not
reproducible. 
The reprobe is still there though, but without audio there is no flash. 

[  718.086179] [drm:edp_panel_vdd_off_sync] Turning eDP port A VDD off
[  718.086313] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL:
0x00000067
[  725.108202] [drm:drm_helper_probe_single_connector_modes]
[CONNECTOR:86:eDP-1]

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