PP_SEQUENCE_STATE_MASK  166 drivers/gpu/drm/gma500/psb_intel_reg.h #define	PP_SEQUENCE_STATE_MASK		0x0000000f
PP_SEQUENCE_STATE_MASK 4734 drivers/gpu/drm/i915/i915_reg.h #define   PP_SEQUENCE_STATE_MASK	REG_GENMASK(3, 0)