Problems interfacing custom cape+display combo (1024x600) without EEPROM, Beaglebone Black

Here it is -

uname_r=4.19.212-bone-rt-r71

enable_uboot_overlays=1

disable_uboot_overlay_video=1

uboot_overlay_addr4=/lib/firmware/BB-BONE-POWERTIP-TRY2.dtbo

bootargs=video=LVDS-1:1024x600@51.2,rotate=270 drm.debug=0x1ff

enable_uboot_cape_universal=1