drm/i915: Organize VBT stuff inside drm_i915_private

drm_i915_private is getting bigger and bigger when adding new vbt stuff.
So, the better way of getting drm_i915_private organized is to create
a special structure for vbt stuff.

v2: Basically conflicts fixes

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index d256fe4..e34e290 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -735,11 +735,11 @@
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int i;
 
-	if (!dev_priv->child_dev_num)
+	if (!dev_priv->vbt.child_dev_num)
 		return true;
 
-	for (i = 0; i < dev_priv->child_dev_num; i++) {
-		struct child_device_config *child = dev_priv->child_dev + i;
+	for (i = 0; i < dev_priv->vbt.child_dev_num; i++) {
+		struct child_device_config *child = dev_priv->vbt.child_dev + i;
 
 		/* If the device type is not LFP, continue.
 		 * We have to check both the new identifiers as well as the
@@ -827,7 +827,7 @@
 	 */
 	val = I915_READ(lvds_encoder->reg);
 	if (!(val & ~(LVDS_PIPE_MASK | LVDS_DETECTED)))
-		val = dev_priv->bios_lvds_val;
+		val = dev_priv->vbt.bios_lvds_val;
 
 	return (val & LVDS_CLKB_POWER_MASK) == LVDS_CLKB_POWER_UP;
 }
@@ -887,7 +887,7 @@
 	if (HAS_PCH_SPLIT(dev)) {
 		if ((I915_READ(PCH_LVDS) & LVDS_DETECTED) == 0)
 			return false;
-		if (dev_priv->edp.support) {
+		if (dev_priv->vbt.edp_support) {
 			DRM_DEBUG_KMS("disable LVDS for eDP support\n");
 			return false;
 		}
@@ -1005,11 +1005,11 @@
 	}
 
 	/* Failed to get EDID, what about VBT? */
-	if (dev_priv->lfp_lvds_vbt_mode) {
+	if (dev_priv->vbt.lfp_lvds_vbt_mode) {
 		DRM_DEBUG_KMS("using mode from VBT: ");
-		drm_mode_debug_printmodeline(dev_priv->lfp_lvds_vbt_mode);
+		drm_mode_debug_printmodeline(dev_priv->vbt.lfp_lvds_vbt_mode);
 
-		fixed_mode = drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
+		fixed_mode = drm_mode_duplicate(dev, dev_priv->vbt.lfp_lvds_vbt_mode);
 		if (fixed_mode) {
 			fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
 			goto out;