drm/i915: Extract glk_plane_has_planar()

Extract glk_plane_has_planar() out from skl_plane_has_planar()
to make the logic a bit less convoluted.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20251009211313.30234-8-ville.syrjala@linux.intel.com
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
This commit is contained in:
Ville Syrjälä 2025-10-10 00:13:11 +03:00
commit 744b861b37