[S] Change in coreboot[master]: mb/google/brya/var/taniks: Add new GFX devices with custom _PLD

[Won Chung (Code Review)]

Attention is currently required from: Tarun Tuli.

Won Chung has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/76908?usp=email )

Change subject: mb/google/brya/var/taniks: Add new GFX devices with custom _PLD
......................................................................

mb/google/brya/var/taniks: Add new GFX devices with custom _PLD

Add new GFX devices for DDI and TCP with custom _PLD to describe the
corresponding ports.

BUG=b:277629750
TEST=emerge-brya coreboot

Change-Id: I12fa83987869b9a52940a49e9f7897d62abf59ff
Signed-off-by: Won Chung 
---
M src/mainboard/google/brya/variants/taniks/overridetree.cb
1 file changed, 19 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/08/76908/1

diff --git a/src/mainboard/google/brya/variants/taniks/overridetree.cb b/src/mainboard/google/brya/variants/taniks/overridetree.cb
index 28ae204..fb17c52 100644
--- a/src/mainboard/google/brya/variants/taniks/overridetree.cb
+++ b/src/mainboard/google/brya/variants/taniks/overridetree.cb
@@ -114,6 +114,25 @@
    	[PchSerialIoIndexI2C5]  = PchSerialIoPci,
    }"
    device domain 0 on
+		device ref igpu on
+			chip drivers/gfx/generic
+				register "device_count" = "3"
+				# DDIA for eDP
+				register "device[0].name" = ""LCD""
+				# DDIB is unused and HDMI is not enumerated in the kernel, so no GFX device is added for DDIB
+				# TCP0 (DP-1) for port C0
+				register "device[1].name" = ""DD01""
+				register "device[1].use_pld" = "true"
+				register "device[1].pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(1, 1))"
+				# TCP1 is unused and not enumerated in the kernel, so no GFX device is added for TCP1
+				# TCP2 (DP-2) for port C1
+				register "device[2].name" = ""DD02""
+				register "device[2].use_pld" = "true"
+				register "device[2].pld" = "ACPI_PLD_TYPE_C(RIGHT, RIGHT, ACPI_PLD_GROUP(2, 1))"
+				# TCP3 is unused and not enumerated in the kernel, so no GFX device is added for TCP3
+				device generic 0 on end
+			end
+		end # Integrated Graphics Device
    	device ref dtt on
    		chip drivers/intel/dptf
    			## sensor information