it has been boost as below.
root@nvidia-desktop:/home/nvidia# cat /sys/kernel/debug/bpmp/debug/clk/vi/max_rate
998400000
root@nvidia-desktop:/home/nvidia# cat /sys/kernel/debug/bpmp/debug/clk/isp/max_rate
1190400000
root@nvidia-desktop:/home/nvidia# cat /sys/kernel/debug/bpmp/debug/clk/nvcsi/max_rate
400000000
root@nvidia-desktop:/home/nvidia# cat /sys/kernel/debug/bpmp/debug/clk/vi/rate
998400000
root@nvidia-desktop:/home/nvidia# cat /sys/kernel/debug/bpmp/debug/clk/isp/rate
1190400000
root@nvidia-desktop:/home/nvidia# cat /sys/kernel/debug/bpmp/debug/clk/nvcsi/rate
400000000