I've made some more tests on this 8GB Pi5 DUT:gives me
https://paste.debian.net/hidden/5902682e/
gives me
https://paste.debian.net/hidden/cf5cfe81/
butfails
https://paste.debian.net/hidden/9ab2852b/
last test with a faked EDID:
copy the file from the attachment to /lib/firmwareadd below to cmdline.txt (replacing the existing HDMI-A-1 related video command only!)gives me two running UHD screens
https://paste.debian.net/hidden/f4ee922e/
Hence: why does 'video=HDMI-A-2:3840x2160M@60D' fail!we've been here ... if I'm not totally misleading we've discussed such an issue already as video modes were 'ignored' at some time in the past and only faked EDID got things sorted by the time being.
Code:
video=HDMI-A-1:1920x1080M@60D video=HDMI-A-2:1920x1080M@60D vc4.force_hotplug=3https://paste.debian.net/hidden/5902682e/
Code:
video=HDMI-A-1:1920x1080M@60D video=HDMI-A-2:2560x1440M@60D vc4.force_hotplug=3https://paste.debian.net/hidden/cf5cfe81/
but
Code:
video=HDMI-A-1:1920x1080M@60D video=HDMI-A-2:3840x2160M@60D vc4.force_hotplug=3 https://paste.debian.net/hidden/9ab2852b/
last test with a faked EDID:
copy the file from the attachment to /lib/firmware
Code:
sudo cp rubbish.bin /lib/firmware/Code:
drm.edid_firmware=HDMI-A-1:rubbish.bin video=HDMI-A-1:Dhttps://paste.debian.net/hidden/f4ee922e/
Hence: why does 'video=HDMI-A-2:3840x2160M@60D' fail!we've been here ... if I'm not totally misleading we've discussed such an issue already as video modes were 'ignored' at some time in the past and only faked EDID got things sorted by the time being.
Statistics: Posted by aBUGSworstnightmare — Tue Jul 02, 2024 2:37 pm