PLLB_REF_INPUT_SPREADSPECTRUMIN  262 drivers/gpu/drm/gma500/psb_intel_reg.h #define PLLB_REF_INPUT_SPREADSPECTRUMIN	(3 << 13)
PLLB_REF_INPUT_SPREADSPECTRUMIN 3328 drivers/gpu/drm/i915/i915_reg.h #define   PLLB_REF_INPUT_SPREADSPECTRUMIN (3 << 13)