Merge tag 'mmc-v4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

[cascardo/linux.git] / drivers / gpu / drm / udl / udl_drv.c

diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index 17d34e0..cc45d98 100644 (file)
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -16,6 +16,20 @@ static int udl_driver_set_busid(struct drm_device *d, struct drm_master *m)
        return 0;
 }
 
+static int udl_usb_suspend(struct usb_interface *interface,
+                          pm_message_t message)
+{
+       return 0;
+}
+
+static int udl_usb_resume(struct usb_interface *interface)
+{
+       struct drm_device *dev = usb_get_intfdata(interface);
+
+       udl_modeset_restore(dev);
+       return 0;
+}
+
 static const struct vm_operations_struct udl_gem_vm_ops = {
        .fault = udl_gem_fault,
        .open = drm_gem_vm_open,
@@ -72,8 +86,8 @@ static int udl_usb_probe(struct usb_interface *interface,
        int r;
 
        dev = drm_dev_alloc(&driver, &interface->dev);
-       if (!dev)
-               return -ENOMEM;
+       if (IS_ERR(dev))
+               return PTR_ERR(dev);
 
        r = drm_dev_register(dev, (unsigned long)udev);
        if (r)
@@ -122,6 +136,8 @@ static struct usb_driver udl_driver = {
        .name = "udl",
        .probe = udl_usb_probe,
        .disconnect = udl_usb_disconnect,
+       .suspend = udl_usb_suspend,
+       .resume = udl_usb_resume,
        .id_table = id_table,
 };
 module_usb_driver(udl_driver);