OMAP3 DSS Custom Color Palettes

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I have a custom Palette that works in Windows CE, and we're trying to
migrate to Linux using the 4.4.y kernel on an DM3730 (OMAP 3630).
Originally, we were hoping to use the color phase rotation, but the
conversion from our standard palette to the custom palette isn't
linear, so I am not sure the CPR feature in the processor will be
sufficient.

The LCD is a 16-bit LCD, and the Windows palette has three 256-byte
table each one representing red,green and blue. Upon demand, we need
to change from using one palette to another.  Both palette tables are
the exact same size.

I was looking at the color lookup table, but it doesn't appear as if
it's fully implemented.  Does anyone have any old patches laying
around or suggestions on how one might implement a lookup table or
something similar in the DSS?

adam
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