Release 4.17 drivers/gpu/drm/udl/udl_drv.c
/*
* 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 "udl_drv.h"
static int udl_usb_suspend(struct usb_interface *interface,
pm_message_t message)
{
struct drm_device *dev = usb_get_intfdata(interface);
drm_kms_helper_poll_disable(dev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Haixia Shi | 17 | 53.12% | 1 | 50.00% |
| Robert Tarasov | 15 | 46.88% | 1 | 50.00% |
| Total | 32 | 100.00% | 2 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Haixia Shi | 29 | 85.29% | 1 | 50.00% |
| Robert Tarasov | 5 | 14.71% | 1 | 50.00% |
| Total | 34 | 100.00% | 2 | 100.00% |
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 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,
};
static struct drm_driver driver = {
.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME,
.load = udl_driver_load,
.unload = udl_driver_unload,
/* gem hooks */
.gem_free_object = udl_gem_free_object,
.gem_vm_ops = &udl_gem_vm_ops,
.dumb_create = udl_dumb_create,
.dumb_map_offset = udl_gem_mmap,
.fops = &udl_driver_fops,
.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,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
};
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;
dev = drm_dev_alloc(&driver, &interface->dev);
if (IS_ERR(dev))
return PTR_ERR(dev);
r = drm_dev_register(dev, (unsigned long)udev);
if (r)
goto err_free;
usb_set_intfdata(interface, dev);
DRM_INFO("Initialized udl on minor %d\n", dev->primary->index);
return 0;
err_free:
drm_dev_unref(dev);
return r;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Herrmann | 105 | 93.75% | 1 | 50.00% |
| Tom Gundersen | 7 | 6.25% | 1 | 50.00% |
| Total | 112 | 100.00% | 2 | 100.00% |
static void udl_usb_disconnect(struct usb_interface *interface)
{
struct drm_device *dev = usb_get_intfdata(interface);
drm_kms_helper_poll_disable(dev);
udl_fbdev_unplug(dev);
udl_drop_usb(dev);
drm_dev_unplug(dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Herrmann | 40 | 97.56% | 1 | 50.00% |
| Daniel Vetter | 1 | 2.44% | 1 | 50.00% |
| Total | 41 | 100.00% | 2 | 100.00% |
/*
* There are many DisplayLink-based graphics products, all with unique PIDs.
* So we match on DisplayLink's VID + Vendor-Defined Interface Class (0xff)
* We also require a match on SubClass (0x00) and Protocol (0x00),
* which is compatible with all known USB 2.0 era graphics chips and firmware,
* but allows DisplayLink to increment those for any future incompatible chips
*/
static const struct usb_device_id id_table[] = {
{.idVendor = 0x17e9, .bInterfaceClass = 0xff,
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x00,
.match_flags = USB_DEVICE_ID_MATCH_VENDOR |
USB_DEVICE_ID_MATCH_INT_CLASS |
USB_DEVICE_ID_MATCH_INT_SUBCLASS |
USB_DEVICE_ID_MATCH_INT_PROTOCOL,},
{},
};
MODULE_DEVICE_TABLE(usb, id_table);
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);
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Dave Airlie | 204 | 39.92% | 2 | 14.29% |
| David Herrmann | 202 | 39.53% | 1 | 7.14% |
| Haixia Shi | 66 | 12.92% | 2 | 14.29% |
| Robert Tarasov | 20 | 3.91% | 1 | 7.14% |
| Tom Gundersen | 7 | 1.37% | 1 | 7.14% |
| Keith Packard | 5 | 0.98% | 1 | 7.14% |
| Amitoj Kaur Chawla | 2 | 0.39% | 1 | 7.14% |
| David Howells | 1 | 0.20% | 1 | 7.14% |
| Konstantin Khlebnikov | 1 | 0.20% | 1 | 7.14% |
| Daniel Vetter | 1 | 0.20% | 1 | 7.14% |
| Laurent Pinchart | 1 | 0.20% | 1 | 7.14% |
| Arvind Yadav | 1 | 0.20% | 1 | 7.14% |
| Total | 511 | 100.00% | 14 | 100.00% |
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