[Rumpelstiltskin]

Code:

xsetroot #000000
xset -dpms
OUTPUT=`xrandr -display :0 -q | sed '/ connected/!d;s/ .*//;q'`
xrandr -display :0 --output $OUTPUT --set "Broadcast RGB" "Full"
/usr/bin/kodi --standalone
openbox --exit

Use this as your autostart file.      

Thanks fritsch but still not working
cat /home/kodi/.config/openbox/autostart | pastebinit
dpkg -l |grep mesa | pastebinit 
DISPLAY=:0 vainfo | pastebinit 
cat ~/.kodi/temp/kodi.log | pastebinit 
dmesg | pastebinit 
id | pastebinit 
amixer | pastebinit 
cat /var/log/Xorg.0.log | pastebinit