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-rw-r--r--src/soc/intel/common/block/graphics/Kconfig14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/soc/intel/common/block/graphics/Kconfig b/src/soc/intel/common/block/graphics/Kconfig
index b5776b049fa4..eaa429ed393e 100644
--- a/src/soc/intel/common/block/graphics/Kconfig
+++ b/src/soc/intel/common/block/graphics/Kconfig
@@ -8,10 +8,20 @@ config SOC_INTEL_COMMON_BLOCK_GRAPHICS
if SOC_INTEL_COMMON_BLOCK_GRAPHICS
-config SOC_INTEL_CONFIGURE_DDI_A_4_LANES
+config SOC_INTEL_GFX_HAVE_DDI_A_BIFURCATION
bool
help
- Selected by platforms that require DDI-A bifurcation setup.
+ Skylake, Kaby Lake and Coffee Lake desktop CPUs support eDP
+ bifurcation, i.e. 4 eDP lanes get split between DDI-A (eDP)
+ and DDI-E (DP, used for VGA). Selected from SoC Kconfig, if
+ applicable.
+
+config SOC_INTEL_GFX_ENABLE_DDI_E_BIFURCATION
+ bool
+ depends on SOC_INTEL_GFX_HAVE_DDI_A_BIFURCATION
+ help
+ Selected by mainboards that use DDI-E, which is most commonly
+ used to drive a DP-to-VGA adapter to provide a VGA connector.
config SOC_INTEL_DISABLE_IGD
bool "Disable Integrated GFX Controller (0:2:0)"