I am working on OLDI interface with beagleplay, If i run default binary file (k3-am625-beagleplay-lincolntech-lcd185.dtbo) which comes with the beagleplay image. I am not getting any error message with the DSS interface.
But when i use make (/opt/source/dtb-5.10/) to generate dtbo for k3-am625-beagleplay-lt-lcd185.dtbo, Display backlight itself is not coming up and i am getting these error messages while booting.
Feb 14 22:57:46 BeagleBone kernel: /bus@f0000/dss@30200000: Fixed dependency cycle(s) with /lcd
Feb 14 22:57:46 BeagleBone kernel: /lcd: Fixed dependency cycle(s) with /bus@f0000/dss@30200000
Feb 14 22:57:46 BeagleBone kernel: /bus@f0000/dss@30200000: Fixed dependency cycle(s) with /lcd
Feb 14 22:57:51 BeagleBone kernel: WARNING: CPU: 0 PID: 53 at drivers/gpu/drm/tidss/tidss_kms.c:156 tidss_dispc_modeset_init.constprop.0+0xf0/0x410
Feb 14 22:57:51 BeagleBone kernel: pc : tidss_dispc_modeset_init.constprop.0+0xf0/0x410
Feb 14 22:57:51 BeagleBone kernel: lr : tidss_dispc_modeset_init.constprop.0+0xc4/0x410
Feb 14 22:57:51 BeagleBone kernel: tidss_dispc_modeset_init.constprop.0+0xf0/0x410
Feb 14 22:57:51 BeagleBone kernel: tidss_modeset_init+0xbc/0x138
Feb 14 22:57:51 BeagleBone kernel: tidss_probe+0x11c/0x350
Feb 14 22:57:51 BeagleBone kernel: tidss 30200000.dss: failed to init DRM/KMS (-22)
Feb 14 22:57:51 BeagleBone kernel: tidss 30200000.dss: probe with driver tidss failed with error -22.
What am i doing wrong? and what is the process used to generate k3-am625-lincolntech-lcd185.dtbo and where is the source file of this dtbo??