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Interfacing (DSI, CSI, I2C, etc.) • Re: 3.5" TFT LCD Touch Screen Stays White

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I installed Bullseye with desktop (2023-12-05) ..
shouldn't that be Bookworm? Please report back if you're on Bullseye or Bookworm.

Latest Bookworm (!) image should be able to bring some of the small displays up without issues, i.e. The 3.5in when using 'dtoverlay=piscreen,drm'.

Sorry, but I'm not looking into the old drivers/overlays as I'm more interrested in using another tinydrm driver: mipi-dbi-spi.
Using that one I was able to run 4 different displays (see here for an explanation of what's needed viewtopic.php?t=358240#p2165638). Display controller doesn't matter as long it is mipi-dbi compliant.

So far I did not manage to get a 3.5in ILI9488 (which is quite similiar to ILI9486) based display to work with that driver! I still expect my initialization command sequence is wrong but might be another incompatibility (as the 86/88 seems to have some bug) though.

Also note that 6by9 is also working on this but follows a different approach viewtopic.php?t=358240#p2165720

Statistics: Posted by aBUGSworstnightmare — Tue Dec 12, 2023 5:50 am



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