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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-22 01:47:47 +07:00
fa9e855025
There should be VM_MIXEDMAP, not VM_PFNMAP, because udl_gem_fault() inserts pages via vm_insert_page(). Other drm/gem drivers already do this. Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Dave Airlie <airlied@redhat.com> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Dave Airlie <airlied@redhat.com>
100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/*
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* Copyright (C) 2012 Red Hat
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License v2. See the file COPYING in the main directory of this archive for
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* more details.
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*/
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#include <linux/module.h>
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#include "drm_usb.h"
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#include "drm_crtc_helper.h"
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#include "udl_drv.h"
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static struct drm_driver driver;
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static struct usb_device_id id_table[] = {
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{.idVendor = 0x17e9, .match_flags = USB_DEVICE_ID_MATCH_VENDOR,},
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{},
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};
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MODULE_DEVICE_TABLE(usb, id_table);
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MODULE_LICENSE("GPL");
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static int udl_usb_probe(struct usb_interface *interface,
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const struct usb_device_id *id)
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{
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return drm_get_usb_dev(interface, id, &driver);
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}
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static void udl_usb_disconnect(struct usb_interface *interface)
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{
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struct drm_device *dev = usb_get_intfdata(interface);
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drm_kms_helper_poll_disable(dev);
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drm_connector_unplug_all(dev);
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udl_fbdev_unplug(dev);
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udl_drop_usb(dev);
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drm_unplug_dev(dev);
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}
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static struct vm_operations_struct udl_gem_vm_ops = {
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.fault = udl_gem_fault,
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.open = drm_gem_vm_open,
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.close = drm_gem_vm_close,
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};
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static const struct file_operations udl_driver_fops = {
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.owner = THIS_MODULE,
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.open = drm_open,
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.mmap = udl_drm_gem_mmap,
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.poll = drm_poll,
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.read = drm_read,
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.unlocked_ioctl = drm_ioctl,
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.release = drm_release,
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.fasync = drm_fasync,
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.llseek = noop_llseek,
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};
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static struct drm_driver driver = {
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.driver_features = DRIVER_MODESET | DRIVER_GEM,
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.load = udl_driver_load,
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.unload = udl_driver_unload,
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/* gem hooks */
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.gem_init_object = udl_gem_init_object,
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.gem_free_object = udl_gem_free_object,
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.gem_vm_ops = &udl_gem_vm_ops,
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.dumb_create = udl_dumb_create,
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.dumb_map_offset = udl_gem_mmap,
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.dumb_destroy = udl_dumb_destroy,
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.fops = &udl_driver_fops,
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.name = DRIVER_NAME,
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.desc = DRIVER_DESC,
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.date = DRIVER_DATE,
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.major = DRIVER_MAJOR,
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.minor = DRIVER_MINOR,
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.patchlevel = DRIVER_PATCHLEVEL,
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};
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static struct usb_driver udl_driver = {
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.name = "udl",
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.probe = udl_usb_probe,
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.disconnect = udl_usb_disconnect,
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.id_table = id_table,
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};
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static int __init udl_init(void)
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{
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return drm_usb_init(&driver, &udl_driver);
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}
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static void __exit udl_exit(void)
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{
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drm_usb_exit(&driver, &udl_driver);
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}
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module_init(udl_init);
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module_exit(udl_exit);
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