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Vishal

Multiple Video screens using Rockchip RK3288 kernel

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I am currently working on a Development Board based on RK3288. We are using Rockchip kernel as mentioned here

https://github.com/rockchip-linux/kernel

This uses libdrm (DRI) for its rendering purposes. But it has limitations. Only one CRTC is connected out of 2. It provides 8 planes, out of which only 4 are available for the working CRTC, out of which user available OVERLAY planes are only 2, and out of which only 1 Plane supports NV12 rendering.

I need to show 2-4 videos simultaneously, can anyone help me here on how to procure more planes, particularly NV12 compatible OVERLAY type, that can be connected to the working CRTC?

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