After adapting the s6e3ha8 panel driver (already driving samsung-starqltechn) to also support crosshatch's panel
https://codeberg.org/sdm845/linux/commits/branch/b4/crosshatch-panel
he guided (well... "step-by-step hand-guided" is more realistic) me into adapting s6sy761 touchscreen driver (again, starqltechn) for crosshatch's .
https://salsa.debian.org/Mobian-team/devices/kernels/qcom-linux/-/commits/wip/tiol/7.2-sdm845_crosshatch
Still a lot of work ahead, of course, but... hey, I did a thing! 😎