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PRE in devicetree

Question asked by jotes on Aug 9, 2018

Hello,

 

I would like to connect 2 PREs to one IPU (as shown in the diagram below). I am using fb0 and fb1 (overlay). As I understand, the both framebuffers can be connected to separate PRE. Could you please guide me how to add a proper entry in devicetree?

When I write:

&mxcfb1 { /* fb0 and fb1 */

            prefetch;

};

only the fb0 is using PRE.

 

Regards!

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