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-rw-r--r--src/northbridge/intel/x4x/gma.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/src/northbridge/intel/x4x/gma.c b/src/northbridge/intel/x4x/gma.c
index e91d778774..db96facbef 100644
--- a/src/northbridge/intel/x4x/gma.c
+++ b/src/northbridge/intel/x4x/gma.c
@@ -74,6 +74,15 @@ static void intel_gma_init(const struct northbridge_intel_x4x_config *info,
u32 pixel_m1 = 1;
u32 pixel_m2 = 1;
+ u8 vga_gmbus = GMBUS_PORT_VGADDC;
+
+ if (IS_ENABLED(CONFIG_GFX_GMA_ANALOG_I2C_HDMI_B))
+ vga_gmbus = GMBUS_PORT_DPB;
+ else if (IS_ENABLED(CONFIG_GFX_GMA_ANALOG_I2C_HDMI_C))
+ vga_gmbus = GMBUS_PORT_DPC;
+ else if (IS_ENABLED(CONFIG_GFX_GMA_ANALOG_I2C_HDMI_D))
+ vga_gmbus = GMBUS_PORT_DPD;
+
vga_gr_write(0x18, 0);
/* Set up GTT */
@@ -113,7 +122,11 @@ static void intel_gma_init(const struct northbridge_intel_x4x_config *info,
udelay(1);
- intel_gmbus_read_edid(mmio + GMBUS0, GMBUS_PORT_VGADDC, 0x50, edid_data,
+ /*
+ * TODO: check if it is actually an analog display.
+ * No harm is done but the console output could be confusing.
+ */
+ intel_gmbus_read_edid(mmio + GMBUS0, vga_gmbus, 0x50, edid_data,
sizeof(edid_data));
intel_gmbus_stop(mmio + GMBUS0);
decode_edid(edid_data,