HORIZ_INTERP_MASK  217 drivers/gpu/drm/gma500/psb_intel_reg.h #define HORIZ_INTERP_MASK		(3 << 6)
HORIZ_INTERP_MASK 4787 drivers/gpu/drm/i915/i915_reg.h #define   HORIZ_INTERP_MASK	(3 << 6)