overlays/rpi4-config/config.txt

0001 # Set 'force_turbo=1' to disable dynamic overclocking and enable overclocking always
0002 force_turbo=0
0003
0004 # have a properly sized image
0005 disable_overscan=1
0006
0007 # for sound over HDMI
0008 # hdmi_drive=2
0009 hdmi_ignore_cec_init=0
0010
0011 # Enable audio (loads snd_bcm2835)
0012 dtparam=audio=on
0013
0014 # armstub8-gic stub for Pi4s with older firmware
0015 armstub=armstub8-gic.bin
0016 enable_gic=1
0017
0018 [pi4]
0019 dtoverlay=vc4-fkms-v3d
0020 max_framebuffers=2
0021 arm_64bit=1
0022
0023 [all]
0024 gpu_mem=320