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Week 7. Ready for bring-up.

A project log for Raspberry Pi CM4 –°arrier with Hi-Res MIPI Display

An interface breakout board for Raspberry Pi Compute Module 4, permanently attached to a 7" IPS touchscreen display

Igor ShturmaIgor Shturma 01/19/2021 at 08:121 Comment

Assembled the board, the next challenge is software. 

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There is a chance the display will just magically work with existing DSI kernel drivers and panel drivers from Nexus 7 bring-up back in the days. There is an interesting and inspiring thread on Raspberry Pi forum, https://www.raspberrypi.org/forums/viewtopic.php?t=253912. The topic starter was doing the same bring-up with CM3+, and eventually, he succeeded. The new parameter to the equation is the difference between BCM2837 and BCM2711. Also, the DRM stack is in constant development by Raspberry Pi Foundation, and what worked just yesterday may no longer work with after the latest update. We will see.

Discussions

Matt Purland wrote 01/19/2021 at 09:12 point

Amazing work Igor. I'm really looking forward to seeing the outcome of your tests

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