Shelley Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/79731?usp=email )
Change subject: mb/google/brox: Add new GFX devices ......................................................................
mb/google/brox: Add new GFX devices
Add new GFX devices for DDI and TCP.
BUG=b:300690448 BRANCH=None TEST=emerge-brox coreboot
Change-Id: Ic39916819f64ede1c80eccfd05ba4916b9f285af Signed-off-by: Shelley Chen shchen@google.com --- M src/mainboard/google/brox/variants/brox/overridetree.cb 1 file changed, 23 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/31/79731/1
diff --git a/src/mainboard/google/brox/variants/brox/overridetree.cb b/src/mainboard/google/brox/variants/brox/overridetree.cb index d7fc83a..c9767bc 100644 --- a/src/mainboard/google/brox/variants/brox/overridetree.cb +++ b/src/mainboard/google/brox/variants/brox/overridetree.cb @@ -1,5 +1,28 @@ chip soc/intel/alderlake device domain 0 on + device ref igpu on + chip drivers/gfx/generic + register "device_count" = "6" + # DDIA for eDP + register "device[0].name" = ""LCD"" + # DDIB for HDMI + # If HDMI is not enumerated in the kernel, then no GFX device should be added for DDIB + register "device[1].name" = ""DD01"" + # TCP0 (DP-1) for port C0 + register "device[2].name" = ""DD02"" + register "device[2].use_pld" = "true" + register "device[2].pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(1, 1))" + # TCP1 (DP-2) is unused for any ports but still enumerated in the kernel, so GFX device is added for TCP1 + register "device[3].name" = ""DD03"" + # TCP2 (DP-3) for port C2 + register "device[4].name" = ""DD04"" + register "device[4].use_pld" = "true" + register "device[4].pld" = "ACPI_PLD_TYPE_C(LEFT, RIGHT, ACPI_PLD_GROUP(2, 1))" + # TCP3 (DP-4) is unused for any ports but still enumerated in the kernel, so GFX device is added for TCP3 + register "device[5].name" = ""DD05"" + device generic 0 on end + end + end # Integrated Graphics Device device ref pch_espi on chip ec/google/chromeec use conn0 as mux_conn[0]