PIPECONF_FORCE_BORDER  490 drivers/gpu/drm/gma500/psb_intel_reg.h #define PIPECONF_FORCE_BORDER		(1 << 25)
PIPECONF_FORCE_BORDER 5637 drivers/gpu/drm/i915/i915_reg.h #define   PIPECONF_FORCE_BORDER	(1 << 25)