PIPECONF_DOUBLE_WIDE 5630 drivers/gpu/drm/i915/i915_reg.h #define   PIPECONF_DOUBLE_WIDE	(1 << 30)
PIPECONF_DOUBLE_WIDE  288 drivers/video/fbdev/intelfb/intelfbhw.h #define PIPECONF_DOUBLE_WIDE		(1 << 30)