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mb/google/brya/var/mithrax: 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: Icdb8e9a20ab536f80fa7358472cca01996faf447
Signed-off-by: Won Chung <wonchung@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76902
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
This commit is contained in:
Won Chung 2023-07-31 22:39:35 +00:00 committed by Felix Held
parent 34ce8c7377
commit 939d07ea35
1 changed files with 22 additions and 0 deletions
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22
src/mainboard/google/brya/variants/mithrax/overridetree.cb
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@ -91,6 +91,28 @@ chip soc/intel/alderlake
}" }"
device domain 0 on 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
register "device[1].name" = ""DD01""
# TCP0 (DP-1) is unused for any ports but still enumerated in the kernel, so GFX device is added for TCP0
register "device[2].name" = ""DD02""
# TCP1 (DP-2) for port C1
register "device[3].name" = ""DD03""
register "device[2].use_pld" = "true"
register "device[2].pld" = "ACPI_PLD_TYPE_C(RIGHT, LEFT, ACPI_PLD_GROUP(1, 1))"
# 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, LEFT, 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 dtt on device ref dtt on
chip drivers/intel/dptf chip drivers/intel/dptf
## sensor information ## sensor information