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authorWon Chung <wonchung@google.com>2023-07-31 22:27:51 +0000
committerFelix Held <felix-coreboot@felixheld.de>2023-08-24 12:51:38 +0000
commitaf1782cdcb1033b8c608f7b11c0ba8ac09098dcb (patch)
treefbd6410e6957cb02a49c7bc5db8a7aae1cf02953 /src/mainboard/google/brya
parent1c8f5c7f1b5853fd7867395220aa9c54265dd163 (diff)
mb/google/brya/var/kano: 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: I15888b4e5bd46c98e0864eaa6850e1a24b22fe65 Signed-off-by: Won Chung <wonchung@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/76900 Reviewed-by: Subrata Banik <subratabanik@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/brya')
-rw-r--r--src/mainboard/google/brya/variants/kano/overridetree.cb22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/kano/overridetree.cb b/src/mainboard/google/brya/variants/kano/overridetree.cb
index 592da7dd18..d5cf7c38f6 100644
--- a/src/mainboard/google/brya/variants/kano/overridetree.cb
+++ b/src/mainboard/google/brya/variants/kano/overridetree.cb
@@ -96,6 +96,28 @@ 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
+ 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 C1
+ register "device[4].name" = ""DD04""
+ register "device[4].use_pld" = "true"
+ register "device[4].pld" = "ACPI_PLD_TYPE_C(RIGHT, 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 dtt on
chip drivers/intel/dptf
## sensor information