Hi Tommaso, On Sat, Jan 8, 2022 at 4:17 PM Tommaso Merciai <tomm.merciai@xxxxxxxxx> wrote: > Hi Fabio, > If you need some test let me know. Whitch filesystem are you using? I am using a rootfs generated by Buildroot. The issue I see seems to be hotplug-related. cat /sys/class/drm/card1-HDMI-A-1/status not always match with the real state of the HDMI cable. > In the next days I will investigate on this issue. > Let me know. Thanks