Read the hotfix for yourself: [deprecated]
sudo wget "https://paste.osmc.tv/raw/edawoyazuh" -O /etc/rc.local
sudo chmod +x /etc/rc.local
reboot
[deprecated]
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.
echo '444,10bit' > /sys/class/amhdmitx/amhdmitx0/attr
exit 0
This is exactly what it does.