drm/i915: use a substruct in vbt data for edp

Housekeeping, similar to psr, backlight, and dsi. No functional changes.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1458834623-8734-2-git-send-email-jani.nikula@intel.com
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 766ba56..5d2b257 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -924,7 +924,7 @@
 	if (HAS_PCH_SPLIT(dev)) {
 		if ((lvds & LVDS_DETECTED) == 0)
 			return;
-		if (dev_priv->vbt.edp_support) {
+		if (dev_priv->vbt.edp.support) {
 			DRM_DEBUG_KMS("disable LVDS for eDP support\n");
 			return;
 		}