Hello Yong, Did you test CPU load during capture frames from CSI and now many fps did you get? Recently i noticed problem with CPU load which is related to fps not to resolution on old 3.4.75 kernel on A20 platform. I opened new topic few weeks ago but i did not get any answer yet.. Maybe you can give me some advice where to look for the problem. Here is link of my topic: https://groups.google.com/forum/?hl=sr#!topic/linux-sunxi/3Vov9zGiSHk On this link the problem is described in detail.
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