1 files changed, 67 insertions, 57 deletions

diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index a63e3011e971..1922988625eb 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -1,22 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2012 Red Hat
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License v2. See the file COPYING in the main directory of this archive for
- * more details.
  */
 
 #include <linux/module.h>
-#include <drm/drmP.h>
-#include <drm/drm_crtc_helper.h>
+
+#include <drm/clients/drm_client_setup.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_fbdev_shmem.h>
+#include <drm/drm_file.h>
+#include <drm/drm_gem_shmem_helper.h>
+#include <drm/drm_managed.h>
+#include <drm/drm_modeset_helper.h>
+#include <drm/drm_ioctl.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_print.h>
+
 #include "udl_drv.h"
 
 static int udl_usb_suspend(struct usb_interface *interface,
 			   pm_message_t message)
 {
 	struct drm_device *dev = usb_get_intfdata(interface);
+	struct udl_device *udl = to_udl(dev);
+	int ret;
+
+	ret = drm_mode_config_helper_suspend(dev);
+	if (ret)
+		return ret;
 
-	drm_kms_helper_poll_disable(dev);
+	udl_sync_pending_urbs(udl);
 	return 0;
 }
 
@@ -24,88 +37,83 @@ static int udl_usb_resume(struct usb_interface *interface)
 {
 	struct drm_device *dev = usb_get_intfdata(interface);
 
-	drm_kms_helper_poll_enable(dev);
-	udl_modeset_restore(dev);
-	return 0;
+	return drm_mode_config_helper_resume(dev);
 }
 
-static const struct vm_operations_struct udl_gem_vm_ops = {
-	.fault = udl_gem_fault,
-	.open = drm_gem_vm_open,
-	.close = drm_gem_vm_close,
-};
+static int udl_usb_reset_resume(struct usb_interface *interface)
+{
+	struct drm_device *dev = usb_get_intfdata(interface);
+	struct udl_device *udl = to_udl(dev);
 
-static const struct file_operations udl_driver_fops = {
-	.owner = THIS_MODULE,
-	.open = drm_open,
-	.mmap = udl_drm_gem_mmap,
-	.poll = drm_poll,
-	.read = drm_read,
-	.unlocked_ioctl	= drm_ioctl,
-	.release = drm_release,
-	.compat_ioctl = drm_compat_ioctl,
-	.llseek = noop_llseek,
-};
+	udl_select_std_channel(udl);
 
-static struct drm_driver driver = {
-	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME,
-	.load = udl_driver_load,
-	.unload = udl_driver_unload,
+	return drm_mode_config_helper_resume(dev);
+}
 
-	/* gem hooks */
-	.gem_free_object_unlocked = udl_gem_free_object,
-	.gem_vm_ops = &udl_gem_vm_ops,
+DEFINE_DRM_GEM_FOPS(udl_driver_fops);
 
-	.dumb_create = udl_dumb_create,
-	.dumb_map_offset = udl_gem_mmap,
-	.fops = &udl_driver_fops,
+static const struct drm_driver driver = {
+	.driver_features = DRIVER_ATOMIC | DRIVER_GEM | DRIVER_MODESET,
 
-	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
-	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
-	.gem_prime_export = udl_gem_prime_export,
-	.gem_prime_import = udl_gem_prime_import,
+	/* GEM hooks */
+	.fops = &udl_driver_fops,
+	DRM_GEM_SHMEM_DRIVER_OPS,
+	DRM_FBDEV_SHMEM_DRIVER_OPS,
 
 	.name = DRIVER_NAME,
 	.desc = DRIVER_DESC,
-	.date = DRIVER_DATE,
 	.major = DRIVER_MAJOR,
 	.minor = DRIVER_MINOR,
 	.patchlevel = DRIVER_PATCHLEVEL,
 };
 
+static struct udl_device *udl_driver_create(struct usb_interface *interface)
+{
+	struct udl_device *udl;
+	int r;
+
+	udl = devm_drm_dev_alloc(&interface->dev, &driver,
+				 struct udl_device, drm);
+	if (IS_ERR(udl))
+		return udl;
+
+	r = udl_init(udl);
+	if (r)
+		return ERR_PTR(r);
+
+	usb_set_intfdata(interface, udl);
+
+	return udl;
+}
+
 static int udl_usb_probe(struct usb_interface *interface,
 			 const struct usb_device_id *id)
 {
-	struct usb_device *udev = interface_to_usbdev(interface);
-	struct drm_device *dev;
 	int r;
+	struct udl_device *udl;
 
-	dev = drm_dev_alloc(&driver, &interface->dev);
-	if (IS_ERR(dev))
-		return PTR_ERR(dev);
+	udl = udl_driver_create(interface);
+	if (IS_ERR(udl))
+		return PTR_ERR(udl);
 
-	r = drm_dev_register(dev, (unsigned long)udev);
+	r = drm_dev_register(&udl->drm, 0);
 	if (r)
-		goto err_free;
+		return r;
 
-	usb_set_intfdata(interface, dev);
-	DRM_INFO("Initialized udl on minor %d\n", dev->primary->index);
+	DRM_INFO("Initialized udl on minor %d\n", udl->drm.primary->index);
 
-	return 0;
+	drm_client_setup(&udl->drm, NULL);
 
-err_free:
-	drm_dev_put(dev);
-	return r;
+	return 0;
 }
 
 static void udl_usb_disconnect(struct usb_interface *interface)
 {
 	struct drm_device *dev = usb_get_intfdata(interface);
+	struct udl_device *udl = to_udl(dev);
 
-	drm_kms_helper_poll_disable(dev);
-	udl_fbdev_unplug(dev);
-	udl_drop_usb(dev);
 	drm_dev_unplug(dev);
+	udl_drop_usb(udl);
 }
 
 /*
@@ -133,7 +141,9 @@ static struct usb_driver udl_driver = {
 	.disconnect = udl_usb_disconnect,
 	.suspend = udl_usb_suspend,
 	.resume = udl_usb_resume,
+	.reset_resume = udl_usb_reset_resume,
 	.id_table = id_table,
 };
 module_usb_driver(udl_driver);
+MODULE_DESCRIPTION("KMS driver for the USB displaylink video adapters");
 MODULE_LICENSE("GPL");