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Troubleshooting • Re: Waveshare 7'' DSI-LCD configuration on RP4B

This worked initially - however, I've since ordered an official Raspberry Pi Touch Display 1. The issue is that I cannot get the display to rotate at all. I performed a fresh installation of the latest Raspberry Pi OS Lite on a Raspberry Pi 4 B and followed the official tutorial. The tutorial suggests using the following configuration in config.txt:

Code:

dtoverlay=vc4-kms-dsi-7inch,invx,invy
Unfortunately, this doesn't work. I've also tried almost every other combination with lcd_rotate and display_rotate, but nothing seems to make a difference. Does anyone have any suggestions?
It is rotating the touch overlay response only, not the displayed image. That is the intended behaviour.

If you want to rotate the displayed image, then use the video= line as documented in "Rotate screen without a desktop"

lcd_rotate and display_rotate are only applicable for the legacy display driver. For that reason you'll find that neither of those are mentioned in the official documentation.

Statistics: Posted by 6by9 — Wed Jan 22, 2025 9:15 am



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