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-rw-r--r--src/mainboard/google/dedede/variants/baseboard/devicetree.cb8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
index f030b20cec..cfe221f994 100644
--- a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
@@ -118,6 +118,14 @@ chip soc/intel/jasperlake
# Select eDP for port A
register "DdiPortAConfig" = "1"
+ # Disable PM to allow for shorter irq pulses
+ register "gpio_override_pm" = "1"
+ register "gpio_pm[0]" = "0"
+ register "gpio_pm[1]" = "0"
+ register "gpio_pm[2]" = "0"
+ register "gpio_pm[3]" = "0"
+ register "gpio_pm[4]" = "0"
+
# Enable HPD for DDI ports B/C
register "DdiPortBHpd" = "1"
register "DdiPortCHpd" = "1"