rock64 hdmi power (dpms like, no xrandr)
Does anyone know a working "knob" to turn off/on hdmi or put the display to sleep?

On raspberry pi we have vcgencmd , on odroid-c2 there is a sysfs knob at /sys/class/amhdmitx/amhdmitx0/phy

Is there anything similar on rk3328 ?

Using ayufan's kernel, custom OS of my own.
The goal is to make a screensaver addon for Kodi which would turn the screen off.

Kodi is running on gbm, no X and no xrandr .

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