PLL_REF_INPUT_MASK  263 drivers/gpu/drm/gma500/psb_intel_reg.h #define PLL_REF_INPUT_MASK		(3 << 13)
PLL_REF_INPUT_MASK 3329 drivers/gpu/drm/i915/i915_reg.h #define   PLL_REF_INPUT_MASK		(3 << 13)