From 4011ee0cb7f14ca834c04304e084f772c7bef875 Mon Sep 17 00:00:00 2001 From: Sean Rhodes Date: Wed, 30 Aug 2023 11:10:05 +0100 Subject: mb/starlabs/starbook/rpl: Disable dynamic Tc-cold handshake With the Tc-cold handshake, there's a fast flicker when connecting external displays. With it disabled, it's just one "flick", so use this as it's lesser of two evils. Signed-off-by: Sean Rhodes Change-Id: Ie42b935d3e69beff6a1e503a8dee69554123b4f0 Reviewed-on: https://review.coreboot.org/c/coreboot/+/77564 Tested-by: build bot (Jenkins) Reviewed-by: Matt DeVillier --- src/mainboard/starlabs/starbook/variants/rpl/devicetree.cb | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src') diff --git a/src/mainboard/starlabs/starbook/variants/rpl/devicetree.cb b/src/mainboard/starlabs/starbook/variants/rpl/devicetree.cb index 7a9fd3c153..02d3c7b312 100644 --- a/src/mainboard/starlabs/starbook/variants/rpl/devicetree.cb +++ b/src/mainboard/starlabs/starbook/variants/rpl/devicetree.cb @@ -9,6 +9,8 @@ chip soc/intel/alderlake register "cnvi_bt_core" = "1" register "cnvi_bt_audio_offload" = "1" + register "disable_dynamic_tccold_handshake" = "1" + # Serial I/O register "serial_io_i2c_mode" = "{ [PchSerialIoIndexI2C0] = PchSerialIoPci, -- cgit v1.2.3