drm/i915: enable DDI eDP

Now that all the eDP enablement bits are there, we can actually try to
use the eDP.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_ddi.c

@@ -242,8 +242,8 @@ void intel_ddi_init(struct drm_device *dev, enum port port)
 
 	switch(port){
 	case PORT_A:
-		/* We don't handle eDP and DP yet */
 		DRM_DEBUG_DRIVER("Found digital output on DDI port A\n");
+		intel_dp_init(dev, DDI_BUF_CTL_A, PORT_A);
 		break;
 	/* Assume that the  ports B, C and D are working in HDMI mode for now */
 	case PORT_B: