just to have common understanding: Your screen is an iPAD screen --> AFAIK it's native resolution is portrait --> it is 1536x2048pixels (which is not the same as 2048x1536 which is a landscape screen).
Your AD-board manufacturer is running a landscape timing as there must be a scaler chip on their board.
Let's do some test!
I've altered your EDID a little bit and now want you to
1. Get rid of all the FKMS related topics in your config.txt2. copy the EDID binary provided in the zip-file to the required directory2. change your kernel command line to make use of the edit binary by editing your kernel command lineadd below to the beginning of the line (assumes your iPAD screen A/D-board is connected to HDMI-1save the file -> reboot -> report back
Your AD-board manufacturer is running a landscape timing as there must be a scaler chip on their board.
Let's do some test!
I've altered your EDID a little bit and now want you to
1. Get rid of all the FKMS related topics in your config.txt
Code:
# Enable audio (loads snd_bcm2835)dtparam=audio=on# Additional overlays and parameters are documented# /boot/firmware/overlays/README# Automatically load overlays for detected camerascamera_auto_detect=1# Automatically load overlays for detected DSI displaysdisplay_auto_detect=1# Automatically load initramfs files, if foundauto_initramfs=1# Enable DRM VC4 V3D driverdtoverlay=vc4-kms-v3dmax_framebuffers=2# Don't have the firmware create an initial video= setting in cmdline.txt.# Use the kernel's default instead.disable_fw_kms_setup=1# Disable compensation for displays with overscandisable_overscan=1# Run as fast as firmware / board allowsarm_boost=1[cm4]# Enable host mode on the 2711 built-in XHCI USB controller.# This line should be removed if the legacy DWC2 controller is required# (e.g. for USB device mode) or if USB support is not required.otg_mode=1[cm5]dtoverlay=dwc2,dr_mode=hostCode:
sudo cp myipad_01.bin /lib/firmware/Code:
sudo nano /boot/firmware/cmdline.txtCode:
drm.edid_firmware=HDMI-A-1:myipad_01.bin video=HDMI-A-1:DStatistics: Posted by aBUGSworstnightmare — Mon Nov 25, 2024 10:11 am