Merge branch 'wmi' into release

[mv-sheeva.git] / drivers / gpu / drm / drm_stub.c

diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index adb864dfef3ecefa67ec6a9d30bdb1ef13387b26..ad73e141afdbd8096e2908d75e5849962ae1f069 100644 (file)
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -128,6 +128,7 @@ struct drm_master *drm_master_get(struct drm_master *master)
        kref_get(&master->refcount);
        return master;
 }
+EXPORT_SYMBOL(drm_master_get);
 
 static void drm_master_destroy(struct kref *kref)
 {
@@ -170,10 +171,13 @@ void drm_master_put(struct drm_master **master)
        kref_put(&(*master)->refcount, drm_master_destroy);
        *master = NULL;
 }
+EXPORT_SYMBOL(drm_master_put);
 
 int drm_setmaster_ioctl(struct drm_device *dev, void *data,
                        struct drm_file *file_priv)
 {
+       int ret = 0;
+
        if (file_priv->is_master)
                return 0;
 
@@ -188,6 +192,13 @@ int drm_setmaster_ioctl(struct drm_device *dev, void *data,
                mutex_lock(&dev->struct_mutex);
                file_priv->minor->master = drm_master_get(file_priv->master);
                file_priv->is_master = 1;
+               if (dev->driver->master_set) {
+                       ret = dev->driver->master_set(dev, file_priv, false);
+                       if (unlikely(ret != 0)) {
+                               file_priv->is_master = 0;
+                               drm_master_put(&file_priv->minor->master);
+                       }
+               }
                mutex_unlock(&dev->struct_mutex);
        }
 
@@ -204,6 +215,8 @@ int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
                return -EINVAL;
 
        mutex_lock(&dev->struct_mutex);
+       if (dev->driver->master_drop)
+               dev->driver->master_drop(dev, file_priv, false);
        drm_master_put(&file_priv->minor->master);
        file_priv->is_master = 0;
        mutex_unlock(&dev->struct_mutex);