There are workarounds display needs to apply depending on information
only available to the core driver. Add a display parent interface for
the query. For starters, there's only one workaround like this, so keep
it simple instead of over-engineering.
This lets us drop an #ifdef I915 as well as xe dependency on some
display headers.
v2: git add xe_display_wa.h
v3: Add a comments about usage (Suraj)
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260803115417.1760484-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>