UPERFECT X Mini lapdock works with Librem 5

This needs to be proved there as well:

EDIT: @johan-bjareholt, my method (based on yours) was to have my Librem 5 connected to some power supply, execute sudo journalctl -f thereafter, and now disconnect charging cable from Librem 5 and got there: Upstream supply changed: 0. (disconnected), as shown:

Jan 15 13:28:09 pureos sudo[19034]:   purism : TTY=pts/0 ; PWD=/home/purism ; USER=root ; COMMAND=/usr/bin/journalctl -f
Jan 15 13:28:09 pureos sudo[19034]: pam_unix(sudo:session): session opened for user root(uid=0) by (uid=1000)
Jan 15 13:28:45 pureos kernel: bq25890-charger 3-006a: Upstream supply changed: 0.
Jan 15 13:28:45 pureos kernel: bq25890-charger 3-006a: Disabling OTG_EN pin
Jan 15 13:28:45 pureos kernel: tps6598x 0-003f: The interrupt is masked , how did it fire ?? 380100a
Jan 15 13:28:45 pureos kernel: bq25890-charger 3-006a: Upstream supply changed: 0.
Jan 15 13:28:45 pureos kernel: bq25890-charger 3-006a: Disabling OTG_EN pin
Jan 15 13:28:45 pureos kernel: bq25890-charger 3-006a: Upstream supply changed: 0.
Jan 15 13:28:45 pureos kernel: bq25890-charger 3-006a: Disabling OTG_EN pin
Jan 15 13:28:45 pureos kernel: bq25890-charger 3-006a: Upstream supply changed: 0.
Jan 15 13:28:45 pureos kernel: bq25890-charger 3-006a: Disabling OTG_EN pin
Jan 15 13:28:51 pureos kernel: bq25890-charger 3-006a: Upstream supply changed: 1.
Jan 15 13:28:51 pureos kernel: bq25890-charger 3-006a: Disabling OTG_EN pin
Jan 15 13:28:51 pureos kernel: bq25890-charger 3-006a: Upstream supply changed: 1.
Jan 15 13:28:51 pureos kernel: bq25890-charger 3-006a: Disabling OTG_EN pin
Jan 15 13:28:51 pureos kernel: bq25890-charger 3-006a: Upstream supply changed: 1.
Jan 15 13:28:51 pureos kernel: bq25890-charger 3-006a: Disabling OTG_EN pin
Jan 15 13:28:51 pureos kernel: bq25890-charger 3-006a: Upstream supply changed: 1.
Jan 15 13:28:51 pureos kernel: bq25890-charger 3-006a: Disabling OTG_EN pin
Jan 15 13:28:51 pureos kernel: bq25890-charger 3-006a: Upstream supply changed: 1.
Jan 15 13:28:51 pureos kernel: bq25890-charger 3-006a: Disabling OTG_EN pin
Jan 15 13:28:57 pureos kernel: bq25890-charger 3-006a: Upstream supply changed: 1.
Jan 15 13:28:57 pureos kernel: bq25890-charger 3-006a: Disabling OTG_EN pin
Jan 15 13:29:02 pureos kernel: bq25890-charger 3-006a: Upstream supply changed: 1.
Jan 15 13:29:02 pureos kernel: bq25890-charger 3-006a: Disabling OTG_EN pin