# TK 1sudo cat /sys/kernel/debug/clock/gbus/rate
sudo cat /sys/devices/57000000.gpu/devfreq/57000000.gpu/cur_freq
#min sudo cat /sys/devices/57000000.gpu/devfreq/57000000.gpu/min_freq
#max sudo cat /sys/devices/57000000.gpu/devfreq/57000000.gpu/max_freq