how to check which value which get's reported to the kernel?No. HDMI_HOTPLUG is a hardware register monitoring the state of the hotplug pin. That won't change with force_hotplug. The pin is still low.Bear with me, but shouldn't using 'vc4.force_hotplug=x' (with x=1 to X=3) in command line result in the corresponding HPD bit showing up as active (ONE)Code:
pi@CM4waveC:~ $ sudo sh -c 'cat /sys/kernel/debug/dri/?/hdmi0_regs' | grep HOTPLUG HDMI_HOTPLUG = 0x00000000
force_hotplug changes the value reported to the kernel - ignoring the state of the pin.
Statistics: Posted by aBUGSworstnightmare — Wed Jan 29, 2025 11:48 am