Stop working RNDIS(usb0) after set fdt_board=iris-v2

Technical Support
,
1

My setup:

  • imx8x,
  • iris version 2.0 ,
  • LVDS display 800x480
  • last image Colibri-iMX8X_Reference-Multimedia-Image-Tezi_6.3.0-devel-20230705+build.328.tar

After download image into imx8x RNDIS work OK , I have device usb0 192.168.11.1
but LVDS display don’t work.

My changes:

  • fw_setenv fdt_board iris-v2
  • echo fdt_overlays=colibri-imx8x_panel-cap-touch-7inch_overlay.dtbo>/boot/overlays.txt

After that changes LVDS display works OK, but RNDIS stop working

Is possible use both LVDS and RNDIS ?

2

Hello @MariusM ,
Could you please share with us the full name and version of the iMX8X SoM that you are using?

This overlay is meant for a display using the parallel interface, not the LVDS. Can you confirm the type of interface of your display?

Do you get any error messages regarding RNDIS or the display?

Best regards,
Josep

3

First dmesg after install , no changes in uboot and overlays
dmesg_Evaluation_Board_V3.txt (32.4 KB)

Second dmesg after change in fw_setenv fdt_board iris-v2, RNDIS stop working
dmesg_Iris_V2_Board.txt (31.1 KB)

At this moment display works but the image is incorrect

I must change default overlays to one of colibri-imx8x_*-7inch*.dtbo

I have LVDS I’m sure ,
I tested all colibri-imx8x_*-7inch*.dtbo and all works on my display 800x480

4

Hello @MariusM ,

Could you elaborate more on that issue? Can you share a picture of the image you get VS the expected one?

Best regards,
Josep

5

Hello @MariusM ,
Do you have any updates on the topic?

Best regards,
Josep

6

I build Colibri-iMX8X_Reference-Multimedia-Image and RNDIS always works

Will report back if the situation changes

7

Hello @MariusM ,
Thanks for the update.

Best regards,
Josep