Tuesday, May 9, 2023

[fedora-arm] Re: Fedora for Tegra / jetson nano : how good is it ?

Le mar. 9 mai 2023 à 00:12, Mario Marietto <marietto2008@gmail.com> a écrit :
> Hello.
> I dont hide my interest in the installation of fedora on the Jetson nano. I would like to understand what works and what not. Can I have a more modern OS than Ubuntu 18.04 ? help me to understand. Very thanks.

I have a Jetson TX1 that shares the same SOC (tegra210). In a headless
server configuration it works pretty well. But in graphical, using
accelerated graphics (with nouveau) is unpractical. Probably because
of the lack of EMC (External Memory Controller) frequency scaling. So
in the Jetson TX1 case, the EMC is locked at the bootloader frequency
(800Mhz instead of 1600Mhz, for Nano it might be even lower). And that
seems to produce some graphical failure with nouveau has seen in the
mesa bug tracker (search for tegra tags). With nouveau being
blacklisted, the device can use llvm just fine, but then it's not
efficient, Also there is no video hw support. and CI/CSI (for camera)
support (yet, but that might land at some point)...

Hope this helps.
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