drm/i915: Use the correct DPB GMBUS port for GPIOE

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index ad28bc4..561fbc3 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -72,7 +72,7 @@
 		.name = "ch7017",
 		.dvo_reg = DVOC,
 		.slave_addr = 0x75,
-		.gpio = GMBUS_PORT_DPD,
+		.gpio = GMBUS_PORT_DPB,
 		.dev_ops = &ch7017_ops,
 	}
 };
@@ -386,7 +386,7 @@
 		else if (dvo->type == INTEL_DVO_CHIP_LVDS)
 			gpio = GMBUS_PORT_PANEL;
 		else
-			gpio = GMBUS_PORT_DPD;
+			gpio = GMBUS_PORT_DPB;
 
 		/* Set up the I2C bus necessary for the chip we're probing.
 		 * It appears that everything is on GPIOE except for panels