video – Raspberry Pi 3b+ Fake KMS not listed

I’ve been trying to follow tutorials on enabling hardware accelerated video decoding for my Raspberry Pi 3b+, such as this one:

lemariva.com/blog/2020/08/raspberry-pi-4-video-acceleration-decode-chromium

They all seem to want me to select a GL Driver called “Fake KMS”, but even after installing the various packages mentioned, it’s not listed for me.

I’m using the latest version of Raspberry Pi OS, with updates installed.

  • cat /proc/device-tree/soc/firmwarekms@7e600000/status returns disabled
  • cat /proc/device-tree/soc/v3d@7ec00000/status returns okay
  • chrome://gpu shows Video Decode: Software only: Hardware acceleration disbled

How can I make this option avaiable, or otherwise do what is needed to enable GPU video decoding in chromium?

Image of raspi-config with Fake KMS missing as an option

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