PFIT_HORIZ_SCALE_MASK 223 drivers/gpu/drm/gma500/psb_intel_reg.h #define PFIT_HORIZ_SCALE_MASK 0x0000fff0 PFIT_HORIZ_SCALE_MASK 4800 drivers/gpu/drm/i915/i915_reg.h #define PFIT_HORIZ_SCALE_MASK 0x0000fff0