Firefly-RK3288 has HDMI, VGA, LVDS, MIPI, EDP and other display interface. This dual-screen display function is base on Firefly-RK3288 platform ,which can put two monitor in to one display screen.
The two monitor could be : LVDS +HDMI or VGA+HDMI
Manipulating the screen on a monitor and watching the content on another
In theoretically, the two screen can both support up to 2K resolution.
But only 1080P have been tested.