hello sammyb7qw7,
FYI, JetPack 5.1.1 is now live. JetPack 5.1.1 / l4t-r35.3.1 is public today,
you may see-also developer guide for formulas to calculate sensor pixel clock.
and… it should be SerDes Pixel Clock, serdes_pix_clk_hz, for sensor modules that use serializer/deserializer chips (GMSL or FPD link),