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May 3rd, 2021 08:00
Linux Support for displays
Hey! Do you test your displays how they run on Linux? Like I read that Dell p2415q had no linux targeting tests. I wonder if this is something you explore to make monitors fully support Linux based systems. Or maybe that has nothing to do with monitors themselves but rather with gpu drivers.
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jphughan
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May 3rd, 2021 09:00
@dlezhnev Displays have no awareness of OS. They just receive a video signal, and possibly a USB data signal if your display has built-in USB ports and you've got the right cabling to use that feature. Driver issues can certainly be OS-specific, but in that case the fix would be a driver update or OS kernel update. And there can also be firmware-level interoperability issues between systems and displays, but that would be fixed with firmware updates on the system and/or display. The latter tends to occur more often on USB-C displays since in that case the system and display are negotiating video, USB data, and power all over a single link, and that added complexity seems to create more opportunities for issues.
jphughan
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May 3rd, 2021 09:00
@dlezhnev One other thing to consider is that there are only a tiny handful of systems that Dell actively supports on Linux, such as the XPS 13 "Developer Edition" models. Users have gotten Linux running on other Dell system models with varying degrees of success (or failure), but if Dell doesn't formally support Linux on very many systems, I wouldn't expect them to pay much attention to it with their displays.