Fix] - 3.5" HDMI 1920x1080 fix lower resolution - BPI-M5/BPI-M2 Pro/BPI-M2S/BPI-CM4 - banana pi single board computer open source project official forum BPI team
HDMI issues - ODROID
No screen on HDMI with bananapip pro and armbian buster - Banana Pi Pro - Armbian Community Forums