CHV_CMN_DW28 1423 drivers/gpu/drm/i915/display/intel_display_power.c tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW28); CHV_CMN_DW28 1426 drivers/gpu/drm/i915/display/intel_display_power.c vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW28, tmp);