I have a display, which really requires applying proper correction in order to deliver good, readable output. It's never been a problem on x86/amd64 Ubuntu. Now I have it connected to a Pi 400 running Ubuntu 20.10 and my display's profile is completely ignored. I noticed a few similar questions, relating to older Pis and different OS. Still they have either no, or no applicable answers. Any hints how to enable ICC profile on the 400?
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I would have thought its application and desktop dependant. I know the Mac machines have profile support built in to the OS (I used a Spyder on mine) - I've heard of https://gitlab.gnome.org/GNOME/gnome-color-manager but not tried it (all my Pi boxes are headless and the Mac is the photo editing box) GIMP has https://docs.gimp.org/en/gimp-imaging-color-management.html – Apr 02 '21 at 00:04
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@Andrew - there is everything that's needed for that in Ubuntu. And it works all OK. Except on the Pi (400). – silverdr Apr 02 '21 at 15:29