Jason.Jin@freescale.com wrote:

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However, the DIU is already initialized in u-boot and we can
rely on the settings in u-boot for corenet platform,

I don't like that at all.

[Jason Jin-R64188] What's the potential issue of this? Most of the
IPs need the platform initialization in u-boot. For example, the
hwconfig in u-boot used for board specific settings for most
platform.

The potential problem is that it's not stable.  Power management breaks 
your code.

I won't NACK your patch, but it feels like a band-aid rather than a real 
solution.