> On the other hand, vc4.ko gives completely garbled screen to my 4K HDMI
> display, and disable_fw_kms_setup=1 does not help unlike
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=977642
I am sorry, with disable_fw_kms_setup=1, vc4.ko works fine.
Without disable_fw_kms_setup=1, vc4.ko gives g
Control: fixed -1 5.10.5-1
I verified that linux-image-arm64 5.10.5-1 at least boots on
my raspi 4B 8GB model.
On the other hand, vc4.ko gives completely garbled screen to my 4K HDMI
display, and disable_fw_kms_setup=1 does not help unlike
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=977642
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