refer to the top " Fast copy of DMA buffers via NvBufferTransform"
i do the step:
root@nvidia-desktop:~# echo on > /sys/devices/13e10000.host1x/15340000.vic/power/control
root@nvidia-desktop:~# echo userspace > /sys/devices/13e10000.host1x/15340000.vic/devfreq/15340000.vic/governor
root@nvidia-desktop:~# cat /sys/devices/13e10000.host1x/15340000.vic/devfreq/15340000.vic/available_frequencies
115200000 268800000 409600000 550400000 691200000 832000000 972800000 1024000000
root@nvidia-desktop:~# echo 1024000000 > /sys/devices/13e10000.host1x/15340000.vic/devfreq/15340000.vic/max_freq
root@nvidia-desktop:~# echo 1024000000 >
/sys/devices/13e10000.host1x/15340000.vic/devfreq/15340000.vic/userspace/set_freq
but the performace is also not good,from 7ms,8ms to 2ms,3ms
this is the best performace?