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imx6 android - dithering 24bit graphics on 18bit panel

Question asked by Matthias Rabe on May 17, 2016
Latest reply on Jul 7, 2016 by Daiane Angolini
Branched to a new discussion

Hi,

We have a few problems with dithering in Android.

In our test arrangement, we've connected a 18bit panel via LVDS to an i.mx6 Quad.

Running Android 5.0 on it, a gradient test image shows a lot of chunks (as limited by the 18bit panel) - So It seems like dithering is not working. - But if we enable "Disable HW-Overlay" in the developer settings, everything get's dithered correctly.

 

Has anyone experienced similar problems, and/or got any idea on how to fix this problem?

 

Thanks in advance.

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