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-rw-r--r--src/mainboard/google/brya/variants/brya0/overridetree.cb3
-rw-r--r--src/mainboard/google/brya/variants/redrix/overridetree.cb8
-rw-r--r--src/mainboard/google/brya/variants/redrix4es/overridetree.cb8
-rw-r--r--src/mainboard/google/brya/variants/skolas/overridetree.cb3
-rw-r--r--src/mainboard/google/brya/variants/skolas4es/overridetree.cb3
-rw-r--r--src/mainboard/google/rex/variants/rex0/overridetree.cb5
6 files changed, 17 insertions, 13 deletions
diff --git a/src/mainboard/google/brya/variants/brya0/overridetree.cb b/src/mainboard/google/brya/variants/brya0/overridetree.cb
index 31d78a4a18..50fadbcef2 100644
--- a/src/mainboard/google/brya/variants/brya0/overridetree.cb
+++ b/src/mainboard/google/brya/variants/brya0/overridetree.cb
@@ -122,6 +122,7 @@ chip soc/intel/alderlake
# DDIA for eDP
register "device[0].name" = ""LCD""
# DDIB for HDMI
+ # If HDMI is not enumerated in the kernel, then no GFX device should be added for DDIB
register "device[1].name" = ""DD01""
# TCP0 (DP-1) for port C0
register "device[2].name" = ""DD02""
@@ -135,7 +136,7 @@ chip soc/intel/alderlake
register "device[4].name" = ""DD04""
register "device[4].use_pld" = "true"
register "device[4].pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(3, 1))"
- # TCP3 (DP-4) unused
+ # 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
diff --git a/src/mainboard/google/brya/variants/redrix/overridetree.cb b/src/mainboard/google/brya/variants/redrix/overridetree.cb
index 26b15e2764..e825996b75 100644
--- a/src/mainboard/google/brya/variants/redrix/overridetree.cb
+++ b/src/mainboard/google/brya/variants/redrix/overridetree.cb
@@ -117,13 +117,13 @@ chip soc/intel/alderlake
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) unused
+ # 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 C2
register "device[4].name" = ""DD04""
register "device[4].use_pld" = "true"
register "device[4].pld" = "ACPI_PLD_TYPE_C(RIGHT, LEFT, ACPI_PLD_GROUP(2, 1))"
- # TCP3 (DP-4) unused
+ # 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
probe EPS PRIVACY_SCREEN
@@ -139,13 +139,13 @@ chip soc/intel/alderlake
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) unused
+ # 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 C2
register "device[4].name" = ""DD04""
register "device[4].use_pld" = "true"
register "device[4].pld" = "ACPI_PLD_TYPE_C(RIGHT, LEFT, ACPI_PLD_GROUP(2, 1))"
- # TCP3 (DP-4) unused
+ # 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
probe EPS PRIVACY_SCREEN_ABSENT
diff --git a/src/mainboard/google/brya/variants/redrix4es/overridetree.cb b/src/mainboard/google/brya/variants/redrix4es/overridetree.cb
index 65090610db..a2cac5a323 100644
--- a/src/mainboard/google/brya/variants/redrix4es/overridetree.cb
+++ b/src/mainboard/google/brya/variants/redrix4es/overridetree.cb
@@ -98,13 +98,13 @@ chip soc/intel/alderlake
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) unused
+ # 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 C2
register "device[4].name" = ""DD04""
register "device[4].use_pld" = "true"
register "device[4].pld" = "ACPI_PLD_TYPE_C(RIGHT, LEFT, ACPI_PLD_GROUP(2, 1))"
- # TCP3 (DP-4) unused
+ # 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
probe EPS PRIVACY_SCREEN
@@ -120,13 +120,13 @@ chip soc/intel/alderlake
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) unused
+ # 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 C2
register "device[4].name" = ""DD04""
register "device[4].use_pld" = "true"
register "device[4].pld" = "ACPI_PLD_TYPE_C(RIGHT, LEFT, ACPI_PLD_GROUP(2, 1))"
- # TCP3 (DP-4) unused
+ # 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
probe EPS PRIVACY_SCREEN_ABSENT
diff --git a/src/mainboard/google/brya/variants/skolas/overridetree.cb b/src/mainboard/google/brya/variants/skolas/overridetree.cb
index 1740432a02..8cc5157b9d 100644
--- a/src/mainboard/google/brya/variants/skolas/overridetree.cb
+++ b/src/mainboard/google/brya/variants/skolas/overridetree.cb
@@ -122,6 +122,7 @@ chip soc/intel/alderlake
# DDIA for eDP
register "device[0].name" = ""LCD""
# DDIB for HDMI
+ # If HDMI is not enumerated in the kernel, then no GFX device should be added for DDIB
register "device[1].name" = ""DD01""
# TCP0 (DP-1) for port C0
register "device[2].name" = ""DD02""
@@ -135,7 +136,7 @@ chip soc/intel/alderlake
register "device[4].name" = ""DD04""
register "device[4].use_pld" = "true"
register "device[4].pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(3, 1))"
- # TCP3 (DP-4) unused
+ # 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
diff --git a/src/mainboard/google/brya/variants/skolas4es/overridetree.cb b/src/mainboard/google/brya/variants/skolas4es/overridetree.cb
index 0c0aa82f43..407e0a1b17 100644
--- a/src/mainboard/google/brya/variants/skolas4es/overridetree.cb
+++ b/src/mainboard/google/brya/variants/skolas4es/overridetree.cb
@@ -118,6 +118,7 @@ chip soc/intel/alderlake
# DDIA for eDP
register "device[0].name" = ""LCD""
# DDIB for HDMI
+ # If HDMI is not enumerated in the kernel, then no GFX device should be added for DDIB
register "device[1].name" = ""DD01""
# TCP0 (DP-1) for port C0
register "device[2].name" = ""DD02""
@@ -131,7 +132,7 @@ chip soc/intel/alderlake
register "device[4].name" = ""DD04""
register "device[4].use_pld" = "true"
register "device[4].pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(3, 1))"
- # TCP3 (DP-4) unused
+ # 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
diff --git a/src/mainboard/google/rex/variants/rex0/overridetree.cb b/src/mainboard/google/rex/variants/rex0/overridetree.cb
index 793a46d7c5..0cbea7b052 100644
--- a/src/mainboard/google/rex/variants/rex0/overridetree.cb
+++ b/src/mainboard/google/rex/variants/rex0/overridetree.cb
@@ -154,18 +154,19 @@ chip soc/intel/meteorlake
# DDIA for eDP
register "device[0].name" = ""LCD""
# DDIB for HDMI
+ # If HDMI is not enumerated in the kernel, then no GFX device should be added for DDIB
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) unused
+ # 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, LEFT, ACPI_PLD_GROUP(2, 1))"
- # TCP3 (DP-4) unused
+ # 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