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iMX8MM Android 800x1280 panel support

Question asked by Jinlong Bai on Oct 8, 2019
Latest reply on Oct 24, 2019 by Jinlong Bai

Hi, we are having problem using a 800x1280 MIPI-DSI panel with Android 9.0.

We have successfully driven this panel in the Yocto system. It works very well. But when we ported its driver to Android 9.0, the panel did not work properly. It doesn't show anything.

The device tree image is dtbo-imx8mm-mipi-panel.img.We looked at the log to make sure that the driver was loaded.The system generates /dev /graphics /fb0 node. 

We used ADB for screenshots. The captured picture is as follows:


Could anyone provide any insight of how to fix this issue?

Thank you.