PFIT_VERT_SCALE_MASK  222 drivers/gpu/drm/gma500/psb_intel_reg.h #define PFIT_VERT_SCALE_MASK			0xfff00000
PFIT_VERT_SCALE_MASK 4798 drivers/gpu/drm/i915/i915_reg.h #define		PFIT_VERT_SCALE_MASK		0xfff00000