Angel Pons has uploaded this change for review.
[WIP] mb/hp/280_g2: Make VGA port work
On this board, VGA comes from a RTD2168 DP-to-VGA chip, which is
connected to the CPU's DDI-E output. Enable bifurcation (so that
DDI-E gets 2 lanes) and correct the port in `gma-mainboard.ads`.
INFORMATION IS ACCURATE, BUT THIS IS NOT YET TESTED.
Change-Id: I747e770707748496ba1aa58062947b28573ca781
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
---
M src/mainboard/hp/280_g2/Kconfig
M src/mainboard/hp/280_g2/gma-mainboard.ads
2 files changed, 2 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/14/82114/1
diff --git a/src/mainboard/hp/280_g2/Kconfig b/src/mainboard/hp/280_g2/Kconfig
index 0db753d..561c023 100644
--- a/src/mainboard/hp/280_g2/Kconfig
+++ b/src/mainboard/hp/280_g2/Kconfig
@@ -12,6 +12,7 @@
select MAINBOARD_HAS_LIBGFXINIT
select SKYLAKE_SOC_PCH_H
select SOC_INTEL_COMMON_BLOCK_HDA_VERB
+ select SOC_INTEL_GFX_ENABLE_DDI_E_BIFURCATION
select SOC_INTEL_KABYLAKE
select SPD_READ_BY_WORD
select SUPERIO_ITE_COMMON_PRE_RAM
diff --git a/src/mainboard/hp/280_g2/gma-mainboard.ads b/src/mainboard/hp/280_g2/gma-mainboard.ads
index 0628211..cd5bcf2 100644
--- a/src/mainboard/hp/280_g2/gma-mainboard.ads
+++ b/src/mainboard/hp/280_g2/gma-mainboard.ads
@@ -10,7 +10,7 @@
ports : constant Port_List :=
(HDMI3, -- DVI-D
- eDP, -- VGA
+ Analog, -- VGA (via RTD2168 DP-to-VGA chip)
others => Disabled);
end GMA.Mainboard;
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