[S] Change in coreboot[main]: mb/starlabs/*: Enable DDC for DDIA

[Sean Rhodes (Code Review)]

Sean Rhodes has submitted this change. ( https://review.coreboot.org/c/coreboot/+/86914?usp=email )

Change subject: mb/starlabs/*: Enable DDC for DDIA
......................................................................

mb/starlabs/*: Enable DDC for DDIA

Enable DDC so that GOP can read the backlight brightness from EDID. This
avoids FSP repeatedly trying and failing to read it, and also stops the
backlight brightness not being restored correctly in Linux.

Change-Id: Ic05ec3cece911f61347bceb82e5798729dcaecfe
Signed-off-by: Sean Rhodes 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86914
Tested-by: build bot (Jenkins) 
Reviewed-by: Matt DeVillier 
---
M src/mainboard/starlabs/byte_adl/variants/mk_ii/devicetree.cb
M src/mainboard/starlabs/starbook/variants/adl/devicetree.cb
M src/mainboard/starlabs/starbook/variants/adl_n/devicetree.cb
M src/mainboard/starlabs/starbook/variants/rpl/devicetree.cb
M src/mainboard/starlabs/starfighter/variants/rpl/devicetree.cb
M src/mainboard/starlabs/starlite_adl/variants/mk_v/devicetree.cb
6 files changed, 6 insertions(+), 6 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Matt DeVillier: Looks good to me, approved

diff --git a/src/mainboard/starlabs/byte_adl/variants/mk_ii/devicetree.cb b/src/mainboard/starlabs/byte_adl/variants/mk_ii/devicetree.cb
index 99e89ae..a859368 100644
--- a/src/mainboard/starlabs/byte_adl/variants/mk_ii/devicetree.cb
+++ b/src/mainboard/starlabs/byte_adl/variants/mk_ii/devicetree.cb
@@ -20,7 +20,7 @@
    device domain 0 on
    	device ref igpu		on
    		register "ddi_ports_config" = "{
-				[DDI_PORT_A]			= DDI_ENABLE_HPD,
+				[DDI_PORT_A]			= DDI_ENABLE_HPD | DDI_ENABLE_DDC,
    			[DDI_PORT_B]			= DDI_ENABLE_HPD | DDI_ENABLE_DDC,
    		}"
    	end
diff --git a/src/mainboard/starlabs/starbook/variants/adl/devicetree.cb b/src/mainboard/starlabs/starbook/variants/adl/devicetree.cb
index 7588e93..c11cc71 100644
--- a/src/mainboard/starlabs/starbook/variants/adl/devicetree.cb
+++ b/src/mainboard/starlabs/starbook/variants/adl/devicetree.cb
@@ -32,7 +32,7 @@
    		register "gfx"				= "GMA_DEFAULT_PANEL(0)"
    		register "ddi_portA_config"		= "1"
    		register "ddi_ports_config" = "{
-				[DDI_PORT_A]				= DDI_ENABLE_HPD,
+				[DDI_PORT_A]				= DDI_ENABLE_HPD | DDI_ENABLE_DDC,
    			[DDI_PORT_B]				= DDI_ENABLE_HPD | DDI_ENABLE_DDC,
    		}"
    	end
diff --git a/src/mainboard/starlabs/starbook/variants/adl_n/devicetree.cb b/src/mainboard/starlabs/starbook/variants/adl_n/devicetree.cb
index 73708f5..f0f16c4 100644
--- a/src/mainboard/starlabs/starbook/variants/adl_n/devicetree.cb
+++ b/src/mainboard/starlabs/starbook/variants/adl_n/devicetree.cb
@@ -52,7 +52,7 @@

register "ddi_portA_config"		= "1"
    		register "ddi_ports_config" = "{
-				[DDI_PORT_A]				= DDI_ENABLE_HPD,
+				[DDI_PORT_A]				= DDI_ENABLE_HPD | DDI_ENABLE_DDC,
    			[DDI_PORT_B]				= DDI_ENABLE_HPD | DDI_ENABLE_DDC,
    		}"
    	end
diff --git a/src/mainboard/starlabs/starbook/variants/rpl/devicetree.cb b/src/mainboard/starlabs/starbook/variants/rpl/devicetree.cb
index 1905e3e..645bd50 100644
--- a/src/mainboard/starlabs/starbook/variants/rpl/devicetree.cb
+++ b/src/mainboard/starlabs/starbook/variants/rpl/devicetree.cb
@@ -34,7 +34,7 @@
    		register "gfx"					= "GMA_DEFAULT_PANEL(0)"
    		register "ddi_portA_config"			= "1"
    		register "ddi_ports_config" = "{
-				[DDI_PORT_A]				= DDI_ENABLE_HPD,
+				[DDI_PORT_A]				= DDI_ENABLE_HPD | DDI_ENABLE_DDC,
    			[DDI_PORT_B]				= DDI_ENABLE_HPD | DDI_ENABLE_DDC,
    		}"
    	end
diff --git a/src/mainboard/starlabs/starfighter/variants/rpl/devicetree.cb b/src/mainboard/starlabs/starfighter/variants/rpl/devicetree.cb
index e75df6f..a73c4f6 100644
--- a/src/mainboard/starlabs/starfighter/variants/rpl/devicetree.cb
+++ b/src/mainboard/starlabs/starfighter/variants/rpl/devicetree.cb
@@ -33,7 +33,7 @@
    		register "gfx"				= "GMA_DEFAULT_PANEL(0)"
    		register "ddi_portA_config"		= "1"
    		register "ddi_ports_config" = "{
-				[DDI_PORT_A]				= DDI_ENABLE_HPD,
+				[DDI_PORT_A]				= DDI_ENABLE_HPD | DDI_ENABLE_DDC,
    			[DDI_PORT_B]				= DDI_ENABLE_HPD | DDI_ENABLE_DDC,
    		}"
    	end
diff --git a/src/mainboard/starlabs/starlite_adl/variants/mk_v/devicetree.cb b/src/mainboard/starlabs/starlite_adl/variants/mk_v/devicetree.cb
index eb711a0..d9996ca 100644
--- a/src/mainboard/starlabs/starlite_adl/variants/mk_v/devicetree.cb
+++ b/src/mainboard/starlabs/starlite_adl/variants/mk_v/devicetree.cb
@@ -62,7 +62,7 @@

register "ddi_portA_config"			= "1"
    		register "ddi_ports_config" = "{
-				[DDI_PORT_A]				= DDI_ENABLE_HPD,
+				[DDI_PORT_A]				= DDI_ENABLE_HPD | DDI_ENABLE_DDC,
    			[DDI_PORT_B]				= DDI_ENABLE_HPD | DDI_ENABLE_DDC,
    		}"
    	end