Oldest revision immediately prior to markdown conversion: https://notabug.org/libreboot/libreboot/src/8b2219bfa2da36e7809588ef723a10483a6e137f/docs/hcl/index.html
(there are older ones - it was at /docs/index.html 7f4dcbcd8d )
Today intel native gfxinit shouldn't have any significant bugs + a total rewrite to ada (libgfxinit) happened to make that code clean.
Any panel with the same pinout (which probably conforms to VESA standard for it, this should be checked individually)
Easiest target to remove from those lists is x60 tablet as there are no 3rd party panels available for it (an off-the-shelf panel was retrofitted with wacom touch/digitizer in a factory)