1) could you tell me which document mentions "LCDIF (parallel RGB666/888) interface is not available in the i.MX8M series but it is available in the i.MX8 series processor. "? let me double check it, I couldn't find this information from the link you sent
2) pls refer to the link as below:
Pins Tool for i.MX v5 Now Available
3)i.mx8 is under preproduction, we couldn't share this on public community
4) for ISP, do you mean ISP SW? I don't hear such solution for imx8
5)for imx8M, vpu supports decoding on HW and encoding on SW, for imx8 vpu(HW) supports encoding and decoding
you can see this from Block Diagram from the nxp website
i.MX 8M Applications Processor | Arm® Cortex®-A53, Cortex-M4 | 4K display resolution |NXP