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-rw-r--r--src/mainboard/google/dedede/variants/bugzzy/overridetree.cb6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/bugzzy/overridetree.cb b/src/mainboard/google/dedede/variants/bugzzy/overridetree.cb
index e1318a8e46..de1e46d0df 100644
--- a/src/mainboard/google/dedede/variants/bugzzy/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/bugzzy/overridetree.cb
@@ -2,6 +2,12 @@ chip soc/intel/jasperlake
# MIPI display panel
register "DdiPortAConfig" = "2" # DdiPortMipiDsi
+ # Enable Acoustic noise mitigation and set slew rate to 1/8
+ # Rest of the parameters are 0 by default.
+ register "AcousticNoiseMitigation" = "1"
+ register "SlowSlewRate" = "SlewRateFastBy8"
+ register "FastPkgCRampDisable" = "1"
+
# Disable PCIe Root Port 8 (index 7)
register "PcieRpEnable[7]" = "0"
# Disable PCIe Clock Source 4 (index 3)