PIPECONF_PROGRESSIVE  492 drivers/gpu/drm/gma500/psb_intel_reg.h #define PIPECONF_PROGRESSIVE		(0 << 21)
PIPECONF_PROGRESSIVE 5650 drivers/gpu/drm/i915/i915_reg.h #define   PIPECONF_PROGRESSIVE			(0 << 21)
PIPECONF_PROGRESSIVE  294 drivers/video/fbdev/intelfb/intelfbhw.h #define PIPECONF_PROGRESSIVE			(0 << 21)