> 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 garbled screen... Ryutaroh