With this workaround:
- If I use both laptop and external DL monitor, i have the DisplayLink process using 30% and more of CPU
- If I close the lid and use external DL monutor, CPU is "normal" but the /var/log/syslog is continuosly logging messages like this, as in
http://displaylink.org/forum/showthread.php?t=64523:
Code:
Apr 5 11:40:55 caratinga kernel: [ 8113.475705] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0x125, supported mask 0x7400003f
Apr 5 11:40:55 caratinga kernel: [ 8113.475770] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0x4000125, supported mask 0x7400003f