On Mon, 20 Dec 2021, Animesh Manna <animesh.manna@xxxxxxxxx> wrote: > @@ -359,7 +359,7 @@ static void intel_pps_get_registers(struct intel_dp *intel_dp, > struct pps_registers *regs) > { > struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); > - int pps_idx = 0; > + int pps_idx = dp_to_dig_port(intel_dp)->base.port; I thought we get the index to use from VBT, both for PPS and backlight. BR, Jani. -- Jani Nikula, Intel Open Source Graphics Center