cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/sis/sis_drv.c

/* sis.c -- sis driver -*- linux-c -*-
 *
 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 */

#include <linux/module.h>

#include <drm/drmP.h>
#include <drm/sis_drm.h>
#include "sis_drv.h"

#include <drm/drm_pciids.h>


static struct pci_device_id pciidlist[] = {
	sisdrv_PCI_IDS
};


static int sis_driver_load(struct drm_device *dev, unsigned long chipset) { drm_sis_private_t *dev_priv; pci_set_master(dev->pdev); dev_priv = kzalloc(sizeof(drm_sis_private_t), GFP_KERNEL); if (dev_priv == NULL) return -ENOMEM; idr_init(&dev_priv->object_idr); dev->dev_private = (void *)dev_priv; dev_priv->chipset = chipset; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Thomas Hellstrom5472.00%114.29%
Dave Airlie912.00%228.57%
Márton Németh810.67%114.29%
Eric Anholt34.00%228.57%
Jesper Juhl11.33%114.29%
Total75100.00%7100.00%


static void sis_driver_unload(struct drm_device *dev) { drm_sis_private_t *dev_priv = dev->dev_private; idr_destroy(&dev_priv->object_idr); kfree(dev_priv); }

Contributors

PersonTokensPropCommitsCommitProp
Thomas Hellstrom2062.50%120.00%
Daniel Vetter825.00%120.00%
Dave Airlie26.25%120.00%
Gabriel Krisman Bertazi13.12%120.00%
Eric Anholt13.12%120.00%
Total32100.00%5100.00%

static const struct file_operations sis_driver_fops = { .owner = THIS_MODULE, .open = drm_open, .release = drm_release, .unlocked_ioctl = drm_ioctl, .mmap = drm_legacy_mmap, .poll = drm_poll, .compat_ioctl = drm_compat_ioctl, .llseek = noop_llseek, };
static int sis_driver_open(struct drm_device *dev, struct drm_file *file) { struct sis_file_private *file_priv; DRM_DEBUG_DRIVER("\n"); file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL); if (!file_priv) return -ENOMEM; file->driver_priv = file_priv; INIT_LIST_HEAD(&file_priv->obj_list); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Daniel Vetter65100.00%1100.00%
Total65100.00%1100.00%


static void sis_driver_postclose(struct drm_device *dev, struct drm_file *file) { struct sis_file_private *file_priv = file->driver_priv; kfree(file_priv); }

Contributors

PersonTokensPropCommitsCommitProp
Daniel Vetter2996.67%150.00%
Rashika Kheria13.33%150.00%
Total30100.00%2100.00%

static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP | DRIVER_LEGACY, .load = sis_driver_load, .unload = sis_driver_unload, .open = sis_driver_open, .preclose = sis_reclaim_buffers_locked, .postclose = sis_driver_postclose, .set_busid = drm_pci_set_busid, .dma_quiescent = sis_idle, .lastclose = sis_lastclose, .ioctls = sis_ioctls, .fops = &sis_driver_fops, .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, }; static struct pci_driver sis_pci_driver = { .name = DRIVER_NAME, .id_table = pciidlist, };
static int __init sis_init(void) { driver.num_ioctls = sis_max_ioctl; return drm_pci_init(&driver, &sis_pci_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie25100.00%4100.00%
Total25100.00%4100.00%


static void __exit sis_exit(void) { drm_pci_exit(&driver, &sis_pci_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie18100.00%3100.00%
Total18100.00%3100.00%

module_init(sis_init); module_exit(sis_exit); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL and additional rights");

Overall Contributors

PersonTokensPropCommitsCommitProp
Dave Airlie16937.06%931.03%
Daniel Vetter12026.32%517.24%
Thomas Hellstrom8418.42%26.90%
Arjan van de Ven408.77%13.45%
Linus Torvalds91.97%13.45%
Márton Németh81.75%13.45%
David Herrmann51.10%13.45%
Keith Packard51.10%13.45%
Eric Anholt40.88%26.90%
Paul Gortmaker30.66%13.45%
Arnd Bergmann30.66%13.45%
David Howells30.66%13.45%
Rashika Kheria10.22%13.45%
Gabriel Krisman Bertazi10.22%13.45%
Jesper Juhl10.22%13.45%
Total456100.00%29100.00%
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