mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 06:34:11 +08:00
16eb5f4379
All drivers embed gem-objects into their own buffer objects. There is no reason to keep drm_gem_object_alloc(), gem->driver_private and ->gem_init_object() anymore. New drivers are highly encouraged to do the same. There is no benefit in allocating gem-objects separately. Cc: Dave Airlie <airlied@gmail.com> Cc: Alex Deucher <alexdeucher@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Jerome Glisse <jglisse@redhat.com> Cc: Rob Clark <robdclark@gmail.com> Cc: Inki Dae <inki.dae@samsung.com> Cc: Ben Skeggs <skeggsb@gmail.com> Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Signed-off-by: David Herrmann <dh.herrmann@gmail.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
118 lines
2.9 KiB
C
118 lines
2.9 KiB
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/drm_usb.h>
|
|
#include <drm/drm_crtc_helper.h>
|
|
#include "udl_drv.h"
|
|
|
|
static struct drm_driver driver;
|
|
|
|
/*
|
|
* 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 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);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
static int udl_usb_probe(struct usb_interface *interface,
|
|
const struct usb_device_id *id)
|
|
{
|
|
return drm_get_usb_dev(interface, id, &driver);
|
|
}
|
|
|
|
static void udl_usb_disconnect(struct usb_interface *interface)
|
|
{
|
|
struct drm_device *dev = usb_get_intfdata(interface);
|
|
|
|
drm_kms_helper_poll_disable(dev);
|
|
drm_connector_unplug_all(dev);
|
|
udl_fbdev_unplug(dev);
|
|
udl_drop_usb(dev);
|
|
drm_unplug_dev(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 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,
|
|
#ifdef CONFIG_COMPAT
|
|
.compat_ioctl = drm_compat_ioctl,
|
|
#endif
|
|
.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,
|
|
.dumb_destroy = drm_gem_dumb_destroy,
|
|
.fops = &udl_driver_fops,
|
|
|
|
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
|
|
.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 struct usb_driver udl_driver = {
|
|
.name = "udl",
|
|
.probe = udl_usb_probe,
|
|
.disconnect = udl_usb_disconnect,
|
|
.id_table = id_table,
|
|
};
|
|
|
|
static int __init udl_init(void)
|
|
{
|
|
return drm_usb_init(&driver, &udl_driver);
|
|
}
|
|
|
|
static void __exit udl_exit(void)
|
|
{
|
|
drm_usb_exit(&driver, &udl_driver);
|
|
}
|
|
|
|
module_init(udl_init);
|
|
module_exit(udl_exit);
|