DSI bring-up for jetson nano based custom device

Robotics & Edge Computing Jetson Systems Jetson Nano
1

Hi team,

I am currently working on jetson Nano SoM based custom device. Here I have to bring-up the DSI display. We are connecting TFT-Display_with_Touchscreen_SKU_DFR0550 DSI display with DSI lines coming from nano som. For that, I made below changes in device tree.
file.patch (1.9 KB)

Also I am attaching dmesg logs here for the reference. Can you please help me to resolve this issue?
dmesg.txt (60.9 KB)

Thanks

3

You don’t need this.

nvidia,dsi-csi-loopback;

Also, is this the pclk you want to use? Our DSI driver does not support to read mode from panel, thus, you need to give the mode manually.

[ 1.488035] tegradc tegradc.1: nominal-pclk:74880000 parent:74879589 div:1.0 pclk:74879589 74131200~81619200

5

Hello,

for now, we are not using read mode from panel.
As per this thread( How to enable MIPI DSI display? - Jetson & Embedded Systems / Jetson Nano - NVIDIA Developer Forums) looks like, the Issue is in init sequene of dsi display. can you suggest any other MIPI 2 dsi display that is compatible with our nano SOM which is successfully validated with nano.

Thanks