@GmP ok, so the leds in the previous dtso are wrongly addressed? Because in the latest dtso I see 7 leds addressed on segment 0, instead the previous dtso declares 4 sparsely addressed leds. edit: note also that your board is T98_RK3318, not T9_RK3318

@jock I have also tested the driver for a rk3318-T9, please see below in case it is useful for the device tree overlay.

Here you are the correct dtso for the latest version of the tm16xx / kernel. Note that this is not the same model of rk3328-t9.dtso found in https://github.com/jefflessard/tm16xx-display however I do think it will work with that model as well. The automatic generated dtso file for the rk3328 from vfd seems to be icorrect as it is addressing segment 7 of fd655. rk3318-t9.dtso

Hi, my feedback with rk3399-kobol-helios64.dtb-6.12.xx-L2-hs400-opp and agressif fancontrol setting like this: # Helios64 PWM Fan Control Configuration # Temp source : /dev/thermal-cpu INTERVAL=10 FCTEMPS=/sys/devices/platform/p6-fan/hwmon/hwmon6/pwm1=/sys/devices/virtual/thermal/thermal_zone0/hwmon0/temp1_input /sys/devices/platform/p7-fan/hwmon/hwmon5/pwm1=/sys/devices/virtual/thermal/thermal_zone0/hwmon0/temp1_input MINTEMP=/sys/devices/platform/p6-fan/hwmon/hwmon6/pwm1=30 /sys/devices/platform/p7-fan/hwmon/hwmon5/pwm1=30 MAXTEMP=/sys/devices/platform/p6-fan/hwmon/hwmon6/pwm1=50 /sys/devices/platform/p7-fan/hwmon/hwmon5/pwm1=50 MINSTART=/sys/devices/platform/p6-fan/hwmon/hwmon6/pwm1=20 /sys/devices/platform/p7-fan/hwmon/hwmon5/pwm1=20 MINSTOP=/sys/devices/platform/p6-fan/hwmon/hwmon6/pwm1=20 /sys/devices/platform/p7-fan/hwmon/hwmon5/pwm1=20 MINPWM=20 is: All it's Okok Without the tunning file DTB and Fancontrol, the nighmare restart. Today, update, original DTB file restore and CRASH when Luks begin to unciffer my DDs Il restore DTB file and my fancontrol setting and: Return to Okok situation. To conclude, i use my helios without problem when this files is installed. My helios64 always crash if i return to original setting after a update.

Thanks for the reply. My question was worded improperly. It should have been "Latest compile for odroid xu4 doesn't have a desktop. Any reason why?" Sorry