drm/i915/wm: Extract skl_allocate_plane_ddb_nv12()

Extract skl_allocate_plane_ddb_nv12() as the compute counterpart to
skl_check_wm_level_nv12(). Mainly to hide some of the clutter from
skl_crtc_allocate_plane_ddb().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260319114034.7093-5-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2026-03-19 13:40:29 +02:00
commit bcc8da0436