Test screen on the android system

Question

I got an android 4.2.2 running on the my device, based on the variscite var-som-om44. I need to test my screen now: I put the right timings in the /sys/devices/platform/omapdss/display0/timings and it seems to be initialised, but it's black and nothing's there.

Question: How can I test my screen? How can I run some app?

Answer 1

I figured out that the overlay0 was switched off, then I turned it on with

echo 1 > /sys/devices/platform/omapdss/overlay0/enabled

display starts to work.