IMX8MN unable to get DRM/FB working

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IMX8MN unable to get DRM/FB working

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AyrtonL
Contributor II

I am unable to get an IMX8MN working with a display.


I am using upstream Linux kernel 6.9.
I suspect my DTS is ok.
But some Kernel config might be missing.
Some help is much appreciated

I would expect my linux at least has some kind of "fb*" or "/drm/card*" entry.
But nothing.
I already activated the LCDIF config, same goes for the DRM and DRM_ETNAVIV.
Unfortunate, I am unable to find anything about it in the TRM.

Please see the attached defconfig and decompiled DTB (since dtbs can not be uploaded).

 

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Bio_TICFSL
NXP TechSupport
NXP TechSupport

Hello,

The Mx8MNano support up to 1080p60 display through MIPI DSI, please check the EVK, the default dtb is working correctly.

regards

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