BCLRPAT          4196 drivers/gpu/drm/i915/i915_reg.h #define BCLRPAT(trans)		_MMIO_TRANS2(trans, _BCLRPAT_A)
BCLRPAT           156 drivers/video/fbdev/i810/i810_regs.h #define BCLRPAT               0x60020