drm/i915/mst: add beginnings of DP MST documentation

Add a little bit of documentation around DP MST. This is nowhere near
complete nor does it have enough detail. But it's better than nothing,
and hopefully gives people a basic grasp of what's going on.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241125151933.2382910-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula 2024-11-25 17:19:33 +02:00
commit b031ef5ea8