Hi @Ross Cawston
I've been using your patch for a few months on Orange Pi 5 Plus/Max SBCs with Linux kernels from 6.19 to 7.0.3 and it works well encoding H.264 streams (didn't try H.265, though)
Thank you for your contribution.
There's still no support for `rkvenc` in edge kernels (as of 7.1rc2).