PIPE_LINK_N_G4X  7675 drivers/gpu/drm/i915/display/intel_display.c 		I915_WRITE(PIPE_LINK_N_G4X(pipe), m_n->link_n);
PIPE_LINK_N_G4X  9733 drivers/gpu/drm/i915/display/intel_display.c 		m_n->link_n = I915_READ(PIPE_LINK_N_G4X(pipe));