PIPE_GMCH_DATA_N_MASK 1502 drivers/gpu/drm/gma500/psb_intel_reg.h #define PIPE_GMCH_DATA_N_MASK (0xffffff) PIPE_GMCH_DATA_N_MASK 5595 drivers/gpu/drm/i915/i915_reg.h #define PIPE_GMCH_DATA_N_MASK (0xffffff)