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mb/google/brya/var/vell: 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: I62103563ec49769cd842fedf8c2c55118c55aa14
Signed-off-by: Won Chung <wonchung@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76909
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
This commit is contained in:
Won Chung 2023-08-01 04:05:49 +00:00 committed by Felix Held
parent 4eaa0a929f
commit d597320d8e
1 changed files with 18 additions and 1 deletions
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19
src/mainboard/google/brya/variants/vell/overridetree.cb
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@ -95,9 +95,26 @@ chip soc/intel/alderlake
device domain 0 on
device ref igpu on
chip drivers/gfx/generic
register "device_count" = "1"
register "device_count" = "5"
# 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(RIGHT, LEFT, ACPI_PLD_GROUP(1, 1))"
# TCP1 (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))"
# TCP2 (DP-3) for port C2
register "device[3].name" = ""DD03""
register "device[3].use_pld" = "true"
register "device[3].pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(3, 1))"
# TCP3 (DP-4) for port C3
register "device[4].name" = ""DD04""
register "device[4].use_pld" = "true"
register "device[4].pld" = "ACPI_PLD_TYPE_C(LEFT, RIGHT, ACPI_PLD_GROUP(4, 1))"
device generic 0 on end
end
end # Integrated Graphics Device