diff --git a/src/mainboard/google/dedede/variants/lantis/overridetree.cb b/src/mainboard/google/dedede/variants/lantis/overridetree.cb index 368b1dd9bc..b9d6f72af7 100644 --- a/src/mainboard/google/dedede/variants/lantis/overridetree.cb +++ b/src/mainboard/google/dedede/variants/lantis/overridetree.cb @@ -65,6 +65,12 @@ chip soc/intel/jasperlake .tdp_pl2_override = 15, }" + # Enable Acoustic noise mitigation and set slew rate to 1/4 + # Rest of the parameters are 0 by default. + register "AcousticNoiseMitigation" = "1" + register "SlowSlewRate" = "SlewRateFastBy4" + register "FastPkgCRampDisable" = "1" + device domain 0 on device pci 04.0 on chip drivers/intel/dptf