sprite_display_assign  408 drivers/gpu/drm/gma500/intel_bios.h 	u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
sprite_display_assign  520 drivers/gpu/drm/i915/display/intel_vbt_defs.h 	u16 sprite_display_assign:1; /* 0: secondary; 1: primary */