erebion/coreboot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

mb/google/ocelot/var/ocelot: Update DDI port Configuration

Browse source 
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 <sowmya.aralguppe@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88648
Reviewed-by: Pranava Y N <pranavayn@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Sowmya Aralguppe 2025-08-05 12:09:04 +05:30 • committed by Matt DeVillier
commit e5ff7cb186
1 changed files with 1 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

3
src/mainboard/google/ocelot/variants/ocelot/overridetree.cb
View file

@ -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" = "{