Change in coreboot[master]: mb/prodrive/atlas: Enable HPD and DDC for DP

[Angel Pons (Code Review)]

Angel Pons has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/64079 )

Change subject: mb/prodrive/atlas: Enable HPD and DDC for DP
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mb/prodrive/atlas: Enable HPD and DDC for DP

Enable HPD and DDC for DisplayPort outputs.

Change-Id: I9a380eb02b73049386e833ca7acc3c44f4f2cfee
Signed-off-by: Angel Pons 
---
M src/mainboard/prodrive/atlas/devicetree.cb
1 file changed, 5 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/79/64079/1

diff --git a/src/mainboard/prodrive/atlas/devicetree.cb b/src/mainboard/prodrive/atlas/devicetree.cb
index 6dfb8a2..8c775fe 100644
--- a/src/mainboard/prodrive/atlas/devicetree.cb
+++ b/src/mainboard/prodrive/atlas/devicetree.cb
@@ -83,6 +83,11 @@
    	.flags = PCIE_RP_LTR | PCIE_RP_AER | PCIE_RP_CLK_SRC_UNUSED,
    }"

+	register "ddi_ports_config" = "{
+		[DDI_PORT_A] = DDI_ENABLE_HPD | DDI_ENABLE_DDC,
+		[DDI_PORT_B] = DDI_ENABLE_HPD | DDI_ENABLE_DDC,
+	}"
+
    device domain 0 on
    	device ref pcie5 on end
    	device ref igpu on end