Merge tag 'drm-intel-next-2014-03-21' of git://anongit.freedesktop.org/drm-intel...

[linux-2.6-block.git] / drivers / gpu / drm / i915 / intel_lvds.c

diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 8bcb93a2a9f6b1d09780c3154f6c656895451e8e..f1ecf916474a93e3a18dd604991a8915309d83cb 100644 (file)
--- 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;