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path: root/drivers/gpu/drm/gma500/oaktrail_lvds.c
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Diffstat (limited to 'drivers/gpu/drm/gma500/oaktrail_lvds.c')
-rw-r--r--drivers/gpu/drm/gma500/oaktrail_lvds.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/gma500/oaktrail_lvds.c b/drivers/gpu/drm/gma500/oaktrail_lvds.c
index 5e0697862736..9b099468a5db 100644
--- a/drivers/gpu/drm/gma500/oaktrail_lvds.c
+++ b/drivers/gpu/drm/gma500/oaktrail_lvds.c
@@ -359,6 +359,7 @@ void oaktrail_lvds_init(struct drm_device *dev,
* if closed, act like it's not there for now
*/
+ mutex_lock(&dev->mode_config.mutex);
i2c_adap = i2c_get_adapter(dev_priv->ops->i2c_bus);
if (i2c_adap == NULL)
dev_err(dev->dev, "No ddc adapter available!\n");
@@ -401,10 +402,14 @@ void oaktrail_lvds_init(struct drm_device *dev,
}
out:
+ mutex_unlock(&dev->mode_config.mutex);
+
drm_sysfs_connector_add(connector);
return;
failed_find:
+ mutex_unlock(&dev->mode_config.mutex);
+
dev_dbg(dev->dev, "No LVDS modes found, disabling.\n");
if (gma_encoder->ddc_bus)
psb_intel_i2c_destroy(gma_encoder->ddc_bus);