On Wed, Mar 30, 2022 at 04:52:22PM +0200, Piotr Oniszczuk wrote: > > > > Wiadomość napisana przez Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> w dniu 30.03.2022, o godz. 12:20: > > > > Does it change anything if you do a "modetest -s 69@67:1920x1080" before > > starting the app? Or if you run "modetest -P 43@67:1920x1080@NV12" > > before starting the app? Or other combinations thereof? > > So i tried following combinations > > -boot > -modetest -s 69@67:1920x1080 -> ok > -modetest -P 43@67:1920x1080@NV12 -> green screen I have no idea what is going on here. There same commands work for me. You could provide me your kernel config and upstream commitish you are working on, maybe that gets me closer to your setup. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |