1 files changed, 14 insertions, 10 deletions

diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 8bcb93a..f1ecf91 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -848,8 +848,8 @@ static bool compute_is_dual_link_lvds(struct intel_lvds_encoder *lvds_encoder)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
 	/* use the module option value if specified */
-	if (i915_lvds_channel_mode > 0)
-		return i915_lvds_channel_mode == 2;
+	if (i915.lvds_channel_mode > 0)
+		return i915.lvds_channel_mode == 2;
 
 	if (dmi_check_system(intel_dual_link_lvds))
 		return true;
@@ -899,6 +899,7 @@ void intel_lvds_init(struct drm_device *dev)
 	struct drm_encoder *encoder;
 	struct drm_display_mode *scan; /* *modes, *bios_mode; */
 	struct drm_display_mode *fixed_mode = NULL;
+	struct drm_display_mode *downclock_mode = NULL;
 	struct edid *edid;
 	struct drm_crtc *crtc;
 	u32 lvds;
@@ -957,11 +958,12 @@ void intel_lvds_init(struct drm_device *dev)
 	intel_encoder->get_hw_state = intel_lvds_get_hw_state;
 	intel_encoder->get_config = intel_lvds_get_config;
 	intel_connector->get_hw_state = intel_connector_get_hw_state;
+	intel_connector->unregister = intel_connector_unregister;
 
 	intel_connector_attach_encoder(intel_connector, intel_encoder);
 	intel_encoder->type = INTEL_OUTPUT_LVDS;
 
-	intel_encoder->cloneable = false;
+	intel_encoder->cloneable = 0;
 	if (HAS_PCH_SPLIT(dev))
 		intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
 	else if (IS_GEN4(dev))
@@ -1000,6 +1002,7 @@ void intel_lvds_init(struct drm_device *dev)
 	 * Attempt to get the fixed panel mode from DDC.  Assume that the
 	 * preferred mode is the right one.
 	 */
+	mutex_lock(&dev->mode_config.mutex);
 	edid = drm_get_edid(connector, intel_gmbus_get_adapter(dev_priv, pin));
 	if (edid) {
 		if (drm_add_edid_modes(connector, edid)) {
@@ -1032,15 +1035,14 @@ void intel_lvds_init(struct drm_device *dev)
 
 			fixed_mode = drm_mode_duplicate(dev, scan);
 			if (fixed_mode) {
-				intel_connector->panel.downclock_mode =
+				downclock_mode =
 					intel_find_panel_downclock(dev,
 					fixed_mode, connector);
-				if (intel_connector->panel.downclock_mode !=
-					NULL &&	i915_lvds_downclock) {
+				if (downclock_mode != NULL &&
+					i915.lvds_downclock) {
 					/* We found the downclock for LVDS. */
 					dev_priv->lvds_downclock_avail = true;
 					dev_priv->lvds_downclock =
-						intel_connector->panel.
 						downclock_mode->clock;
 					DRM_DEBUG_KMS("LVDS downclock is found"
 					" in EDID. Normal clock %dKhz, "
@@ -1094,6 +1096,8 @@ void intel_lvds_init(struct drm_device *dev)
 		goto failed;
 
 out:
+	mutex_unlock(&dev->mode_config.mutex);
+
 	lvds_encoder->is_dual_link = compute_is_dual_link_lvds(lvds_encoder);
 	DRM_DEBUG_KMS("detected %s-link lvds configuration\n",
 		      lvds_encoder->is_dual_link ? "dual" : "single");
@@ -1116,17 +1120,17 @@ out:
 	}
 	drm_sysfs_connector_add(connector);
 
-	intel_panel_init(&intel_connector->panel, fixed_mode);
+	intel_panel_init(&intel_connector->panel, fixed_mode, downclock_mode);
 	intel_panel_setup_backlight(connector);
 
 	return;
 
 failed:
+	mutex_unlock(&dev->mode_config.mutex);
+
 	DRM_DEBUG_KMS("No LVDS modes found, disabling.\n");
 	drm_connector_cleanup(connector);
 	drm_encoder_cleanup(encoder);
-	if (fixed_mode)
-		drm_mode_destroy(dev, fixed_mode);
 	kfree(lvds_encoder);
 	kfree(lvds_connector);
 	return;