PIPE_DATA_N_G4X  7673 drivers/gpu/drm/i915/display/intel_display.c 		I915_WRITE(PIPE_DATA_N_G4X(pipe), m_n->gmch_n);
PIPE_DATA_N_G4X  9736 drivers/gpu/drm/i915/display/intel_display.c 		m_n->gmch_n = I915_READ(PIPE_DATA_N_G4X(pipe));