Symbol: CHV_CMN_DW28
sys/dev/drm/i915/intel_runtime_pm.c
1246
tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW28);
sys/dev/drm/i915/intel_runtime_pm.c
1249
vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW28, tmp);