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authorWon Chung <wonchung@google.com>2023-07-31 22:39:35 +0000
committerFelix Held <felix-coreboot@felixheld.de>2023-08-24 12:52:14 +0000
commit939d07ea354e8e985bda5dd6de59ad99401b46bd (patch)
treeb4137bc3f86bce6c6e65b754ede82ffeca78e7ef /src/mainboard/google/brya
parent34ce8c7377d0aba84f90bf3b74c6adfb489e1c3c (diff)
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>
Diffstat (limited to 'src/mainboard/google/brya')
-rw-r--r--src/mainboard/google/brya/variants/mithrax/overridetree.cb22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/mithrax/overridetree.cb b/src/mainboard/google/brya/variants/mithrax/overridetree.cb
index e5832fee55..cd79b2c3e5 100644
--- a/src/mainboard/google/brya/variants/mithrax/overridetree.cb
+++ b/src/mainboard/google/brya/variants/mithrax/overridetree.cb
@@ -91,6 +91,28 @@ 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) 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
chip drivers/intel/dptf
## sensor information