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Dual monitor configuration in Firefly-RK3288-Reload (2xHDMI)

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Posted at 10/2/2017 17:14:04     
Last edited by Svarov In 10/2/2017 17:16 Editor

Hello,


I would like to know how to enable dual monitor (2xHDMI) configuration in Firefly-RK3288-Reload with Ubuntu.
I’ve installed official ‘Firefly-RK3288-Reload_Ubuntu14.04_201708151617.img’ image and it seems there is no support for dual monitor in the kernel, because `xrandr` command shows only one available screen.

When connecting the second monitor, it only works in mirror mode and I need it to work in extended mode.


How can I enable dual monitor configuration in ‘extended desktop’ mode? I believe I need to recompile the kernel, but what options I must enable to make it work? I am ready to test any options and post results back.

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