Symbol: MBOX_ASLE_EXT
drivers/gpu/drm/i915/display/intel_opregion.c
1020
vbt_size = (mboxes & MBOX_ASLE_EXT) ?
drivers/gpu/drm/i915/display/intel_opregion.c
964
if (mboxes & MBOX_ASLE_EXT) {