IPEHR            2568 drivers/gpu/drm/i915/i915_reg.h #define IPEHR(base)	_MMIO((base) + 0x8c)
IPEHR              40 drivers/video/fbdev/i810/i810_regs.h #define IPEHR                 0x0208C 
IPEHR              86 drivers/video/fbdev/intelfb/intelfbhw.h #define IPEHR			0x2088