mb/google/brya/var/osiris: 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: I6157894b96da2e9faed229a1f18c0c0b7c60897b
Signed-off-by: Won Chung <wonchung@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76904
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
diff --git a/src/mainboard/google/brya/variants/osiris/overridetree.cb b/src/mainboard/google/brya/variants/osiris/overridetree.cb
index aa2f5fe..650d508 100644
--- a/src/mainboard/google/brya/variants/osiris/overridetree.cb
+++ b/src/mainboard/google/brya/variants/osiris/overridetree.cb
@@ -64,6 +64,28 @@
}"
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, 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