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mb/google/zork/vilboz: Disable HDMI 2.0 for Vilboz 

Disable HDMI 2.0 for Vilboz and then support display resolution 4K 30Hz

BUG=b:179170193
BRANCH=firmware-zork-13434.B
TEST=verified that the resolution of the display is 4K 30Hz

Signed-off-by: Frank Wu <frank_wu@compal.corp-partner.google.com>
Change-Id: Ib0dc0d584f0e87bc9c3da85a583cb8c8bed76440
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52724
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Huang <patrick.huang@amd.corp-partner.google.com>
Reviewed-by: Kangheui Won <khwon@chromium.org>
This commit is contained in:
Frank Wu 2021-04-28 14:04:47 +08:00 committed by Patrick Georgi
parent ab8cc142a7
commit c9ee8cbd54
1 changed files with 5 additions and 0 deletions
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5
src/mainboard/google/zork/variants/vilboz/overridetree.cb
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@ -42,6 +42,11 @@ chip soc/amd/picasso
register "pwrdown_bloff_to_varybloff" = "5"
register "min_allowed_bl_level" = "0"
# Set HDMI 2.0 disable function
# bit0~3: disable HDMI 2.0 DDI0~3
# disable DDI1
register "hdmi2_disable" = "2"
# USB OC pin mapping
register "usb_port_overcurrent_pin[1]" = "USB_OC_NONE" # LTE instead of USB C1