From e5ff7cb186c6c4dd80bcec1816926a51c76eecbb Mon Sep 17 00:00:00 2001 From: Sowmya Aralguppe Date: Tue, 5 Aug 2025 12:09:04 +0530 Subject: [PATCH] mb/google/ocelot/var/ocelot: Update DDI port Configuration This patch enables DDC only for HDMI (Port B) to support EDID/DDC communication so that the system can communicate with the monitor and set up the display properly. Schematic version: schematic_1433518 Platform Mapping Document : Rev0p86 BUG=b: None TEST= Build Ocelot and verify it compiles without any error. Change-Id: I6bf7c249dd154ab12a4b2539ecb7872392c132fa Signed-off-by: Sowmya Aralguppe Reviewed-on: https://review.coreboot.org/c/coreboot/+/88648 Reviewed-by: Pranava Y N Tested-by: build bot (Jenkins) --- src/mainboard/google/ocelot/variants/ocelot/overridetree.cb | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/src/mainboard/google/ocelot/variants/ocelot/overridetree.cb b/src/mainboard/google/ocelot/variants/ocelot/overridetree.cb index 2e0114badc..33bf88704e 100644 --- a/src/mainboard/google/ocelot/variants/ocelot/overridetree.cb +++ b/src/mainboard/google/ocelot/variants/ocelot/overridetree.cb @@ -80,13 +80,12 @@ chip soc/intel/pantherlake register "tcss_cap_policy[0]" = "TCSS_TYPE_C_PORT_FULL_FUN" register "tcss_cap_policy[1]" = "TCSS_TYPE_C_PORT_FULL_FUN" - # Enable EDP in PortA & HDMI in Port B register "ddi_port_A_config" = "1" register "ddi_port_B_config" = "1" register "ddi_ports_config" = "{ [DDI_PORT_A] = DDI_ENABLE_HPD, - [DDI_PORT_B] = DDI_ENABLE_HPD, + [DDI_PORT_B] = DDI_ENABLE_HPD | DDI_ENABLE_DDC, }" register "serial_io_i2c_mode" = "{