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iMX8QXP MIPI DSI clk and lanes no signal

Question asked by Ruodong Bai on Sep 23, 2019
Latest reply on Sep 24, 2019 by Bert Xu

Hello, I want to apply a MIPI DSI to FPD-Link III serializer in iMX8QXP with a Cortex-M4.

 

HW Platform NXP IMX8QXP

SW OS : Android 9.0 Automative

NXP release base line  P9.0.0_2.1.0-AUTO-ga  

Linux Kernel LA 4.14.98

UBoot 2018.03

mipi dsi output: 4 lanes MIPI DSI0

 

when device runs in M4, the mipi dsi0 output a normal signal(4 lanes and clk),

but no mipi dsi signal when into kernel.

could you help support me, and give me some advice to check this issue?

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