1 files changed, 0 insertions, 451 deletions

diff --git a/drivers/gpu/drm/drm_agpsupport.c b/drivers/gpu/drm/drm_agpsupport.c
deleted file mode 100644
index a4ad6fd13abc..000000000000
--- a/drivers/gpu/drm/drm_agpsupport.c
+++ /dev/null
@@ -1,451 +0,0 @@
-/*
- * \file drm_agpsupport.c
- * DRM support for AGP/GART backend
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * 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
- * VA LINUX SYSTEMS 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 <linux/pci.h>
-#include <linux/slab.h>
-
-#if IS_ENABLED(CONFIG_AGP)
-#include <asm/agp.h>
-#endif
-
-#include <drm/drm_device.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_file.h>
-#include <drm/drm_print.h>
-
-#include "drm_legacy.h"
-
-#if IS_ENABLED(CONFIG_AGP)
-
-/*
- * Get AGP information.
- *
- * \return zero on success or a negative number on failure.
- *
- * Verifies the AGP device has been initialized and acquired and fills in the
- * drm_agp_info structure with the information in drm_agp_head::agp_info.
- */
-int drm_legacy_agp_info(struct drm_device *dev, struct drm_agp_info *info)
-{
-	struct agp_kern_info *kern;
-
-	if (!dev->agp || !dev->agp->acquired)
-		return -EINVAL;
-
-	kern = &dev->agp->agp_info;
-	info->agp_version_major = kern->version.major;
-	info->agp_version_minor = kern->version.minor;
-	info->mode = kern->mode;
-	info->aperture_base = kern->aper_base;
-	info->aperture_size = kern->aper_size * 1024 * 1024;
-	info->memory_allowed = kern->max_memory << PAGE_SHIFT;
-	info->memory_used = kern->current_memory << PAGE_SHIFT;
-	info->id_vendor = kern->device->vendor;
-	info->id_device = kern->device->device;
-
-	return 0;
-}
-EXPORT_SYMBOL(drm_legacy_agp_info);
-
-int drm_legacy_agp_info_ioctl(struct drm_device *dev, void *data,
-			      struct drm_file *file_priv)
-{
-	struct drm_agp_info *info = data;
-	int err;
-
-	err = drm_legacy_agp_info(dev, info);
-	if (err)
-		return err;
-
-	return 0;
-}
-
-/*
- * Acquire the AGP device.
- *
- * \param dev DRM device that is to acquire AGP.
- * \return zero on success or a negative number on failure.
- *
- * Verifies the AGP device hasn't been acquired before and calls
- * \c agp_backend_acquire.
- */
-int drm_legacy_agp_acquire(struct drm_device *dev)
-{
-	struct pci_dev *pdev = to_pci_dev(dev->dev);
-
-	if (!dev->agp)
-		return -ENODEV;
-	if (dev->agp->acquired)
-		return -EBUSY;
-	dev->agp->bridge = agp_backend_acquire(pdev);
-	if (!dev->agp->bridge)
-		return -ENODEV;
-	dev->agp->acquired = 1;
-	return 0;
-}
-EXPORT_SYMBOL(drm_legacy_agp_acquire);
-
-/*
- * Acquire the AGP device (ioctl).
- *
- * \return zero on success or a negative number on failure.
- *
- * Verifies the AGP device hasn't been acquired before and calls
- * \c agp_backend_acquire.
- */
-int drm_legacy_agp_acquire_ioctl(struct drm_device *dev, void *data,
-				 struct drm_file *file_priv)
-{
-	return drm_legacy_agp_acquire((struct drm_device *)file_priv->minor->dev);
-}
-
-/*
- * Release the AGP device.
- *
- * \param dev DRM device that is to release AGP.
- * \return zero on success or a negative number on failure.
- *
- * Verifies the AGP device has been acquired and calls \c agp_backend_release.
- */
-int drm_legacy_agp_release(struct drm_device *dev)
-{
-	if (!dev->agp || !dev->agp->acquired)
-		return -EINVAL;
-	agp_backend_release(dev->agp->bridge);
-	dev->agp->acquired = 0;
-	return 0;
-}
-EXPORT_SYMBOL(drm_legacy_agp_release);
-
-int drm_legacy_agp_release_ioctl(struct drm_device *dev, void *data,
-				 struct drm_file *file_priv)
-{
-	return drm_legacy_agp_release(dev);
-}
-
-/*
- * Enable the AGP bus.
- *
- * \param dev DRM device that has previously acquired AGP.
- * \param mode Requested AGP mode.
- * \return zero on success or a negative number on failure.
- *
- * Verifies the AGP device has been acquired but not enabled, and calls
- * \c agp_enable.
- */
-int drm_legacy_agp_enable(struct drm_device *dev, struct drm_agp_mode mode)
-{
-	if (!dev->agp || !dev->agp->acquired)
-		return -EINVAL;
-
-	dev->agp->mode = mode.mode;
-	agp_enable(dev->agp->bridge, mode.mode);
-	dev->agp->enabled = 1;
-	return 0;
-}
-EXPORT_SYMBOL(drm_legacy_agp_enable);
-
-int drm_legacy_agp_enable_ioctl(struct drm_device *dev, void *data,
-				struct drm_file *file_priv)
-{
-	struct drm_agp_mode *mode = data;
-
-	return drm_legacy_agp_enable(dev, *mode);
-}
-
-/*
- * Allocate AGP memory.
- *
- * \return zero on success or a negative number on failure.
- *
- * Verifies the AGP device is present and has been acquired, allocates the
- * memory via agp_allocate_memory() and creates a drm_agp_mem entry for it.
- */
-int drm_legacy_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request)
-{
-	struct drm_agp_mem *entry;
-	struct agp_memory *memory;
-	unsigned long pages;
-	u32 type;
-
-	if (!dev->agp || !dev->agp->acquired)
-		return -EINVAL;
-	entry = kzalloc(sizeof(*entry), GFP_KERNEL);
-	if (!entry)
-		return -ENOMEM;
-
-	pages = DIV_ROUND_UP(request->size, PAGE_SIZE);
-	type = (u32) request->type;
-	memory = agp_allocate_memory(dev->agp->bridge, pages, type);
-	if (!memory) {
-		kfree(entry);
-		return -ENOMEM;
-	}
-
-	entry->handle = (unsigned long)memory->key + 1;
-	entry->memory = memory;
-	entry->bound = 0;
-	entry->pages = pages;
-	list_add(&entry->head, &dev->agp->memory);
-
-	request->handle = entry->handle;
-	request->physical = memory->physical;
-
-	return 0;
-}
-EXPORT_SYMBOL(drm_legacy_agp_alloc);
-
-
-int drm_legacy_agp_alloc_ioctl(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	struct drm_agp_buffer *request = data;
-
-	return drm_legacy_agp_alloc(dev, request);
-}
-
-/*
- * Search for the AGP memory entry associated with a handle.
- *
- * \param dev DRM device structure.
- * \param handle AGP memory handle.
- * \return pointer to the drm_agp_mem structure associated with \p handle.
- *
- * Walks through drm_agp_head::memory until finding a matching handle.
- */
-static struct drm_agp_mem *drm_legacy_agp_lookup_entry(struct drm_device *dev,
-						       unsigned long handle)
-{
-	struct drm_agp_mem *entry;
-
-	list_for_each_entry(entry, &dev->agp->memory, head) {
-		if (entry->handle == handle)
-			return entry;
-	}
-	return NULL;
-}
-
-/*
- * Unbind AGP memory from the GATT (ioctl).
- *
- * \return zero on success or a negative number on failure.
- *
- * Verifies the AGP device is present and acquired, looks-up the AGP memory
- * entry and passes it to the unbind_agp() function.
- */
-int drm_legacy_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request)
-{
-	struct drm_agp_mem *entry;
-	int ret;
-
-	if (!dev->agp || !dev->agp->acquired)
-		return -EINVAL;
-	entry = drm_legacy_agp_lookup_entry(dev, request->handle);
-	if (!entry || !entry->bound)
-		return -EINVAL;
-	ret = agp_unbind_memory(entry->memory);
-	if (ret == 0)
-		entry->bound = 0;
-	return ret;
-}
-EXPORT_SYMBOL(drm_legacy_agp_unbind);
-
-
-int drm_legacy_agp_unbind_ioctl(struct drm_device *dev, void *data,
-				struct drm_file *file_priv)
-{
-	struct drm_agp_binding *request = data;
-
-	return drm_legacy_agp_unbind(dev, request);
-}
-
-/*
- * Bind AGP memory into the GATT (ioctl)
- *
- * \return zero on success or a negative number on failure.
- *
- * Verifies the AGP device is present and has been acquired and that no memory
- * is currently bound into the GATT. Looks-up the AGP memory entry and passes
- * it to bind_agp() function.
- */
-int drm_legacy_agp_bind(struct drm_device *dev, struct drm_agp_binding *request)
-{
-	struct drm_agp_mem *entry;
-	int retcode;
-	int page;
-
-	if (!dev->agp || !dev->agp->acquired)
-		return -EINVAL;
-	entry = drm_legacy_agp_lookup_entry(dev, request->handle);
-	if (!entry || entry->bound)
-		return -EINVAL;
-	page = DIV_ROUND_UP(request->offset, PAGE_SIZE);
-	retcode = agp_bind_memory(entry->memory, page);
-	if (retcode)
-		return retcode;
-	entry->bound = dev->agp->base + (page << PAGE_SHIFT);
-	DRM_DEBUG("base = 0x%lx entry->bound = 0x%lx\n",
-		  dev->agp->base, entry->bound);
-	return 0;
-}
-EXPORT_SYMBOL(drm_legacy_agp_bind);
-
-
-int drm_legacy_agp_bind_ioctl(struct drm_device *dev, void *data,
-			      struct drm_file *file_priv)
-{
-	struct drm_agp_binding *request = data;
-
-	return drm_legacy_agp_bind(dev, request);
-}
-
-/*
- * Free AGP memory (ioctl).
- *
- * \return zero on success or a negative number on failure.
- *
- * Verifies the AGP device is present and has been acquired and looks up the
- * AGP memory entry. If the memory is currently bound, unbind it via
- * unbind_agp(). Frees it via free_agp() as well as the entry itself
- * and unlinks from the doubly linked list it's inserted in.
- */
-int drm_legacy_agp_free(struct drm_device *dev, struct drm_agp_buffer *request)
-{
-	struct drm_agp_mem *entry;
-
-	if (!dev->agp || !dev->agp->acquired)
-		return -EINVAL;
-	entry = drm_legacy_agp_lookup_entry(dev, request->handle);
-	if (!entry)
-		return -EINVAL;
-	if (entry->bound)
-		agp_unbind_memory(entry->memory);
-
-	list_del(&entry->head);
-
-	agp_free_memory(entry->memory);
-	kfree(entry);
-	return 0;
-}
-EXPORT_SYMBOL(drm_legacy_agp_free);
-
-
-int drm_legacy_agp_free_ioctl(struct drm_device *dev, void *data,
-			      struct drm_file *file_priv)
-{
-	struct drm_agp_buffer *request = data;
-
-	return drm_legacy_agp_free(dev, request);
-}
-
-/*
- * Initialize the AGP resources.
- *
- * \return pointer to a drm_agp_head structure.
- *
- * Gets the drm_agp_t structure which is made available by the agpgart module
- * via the inter_module_* functions. Creates and initializes a drm_agp_head
- * structure.
- *
- * Note that final cleanup of the kmalloced structure is directly done in
- * drm_pci_agp_destroy.
- */
-struct drm_agp_head *drm_legacy_agp_init(struct drm_device *dev)
-{
-	struct pci_dev *pdev = to_pci_dev(dev->dev);
-	struct drm_agp_head *head = NULL;
-
-	head = kzalloc(sizeof(*head), GFP_KERNEL);
-	if (!head)
-		return NULL;
-	head->bridge = agp_find_bridge(pdev);
-	if (!head->bridge) {
-		head->bridge = agp_backend_acquire(pdev);
-		if (!head->bridge) {
-			kfree(head);
-			return NULL;
-		}
-		agp_copy_info(head->bridge, &head->agp_info);
-		agp_backend_release(head->bridge);
-	} else {
-		agp_copy_info(head->bridge, &head->agp_info);
-	}
-	if (head->agp_info.chipset == NOT_SUPPORTED) {
-		kfree(head);
-		return NULL;
-	}
-	INIT_LIST_HEAD(&head->memory);
-	head->cant_use_aperture = head->agp_info.cant_use_aperture;
-	head->page_mask = head->agp_info.page_mask;
-	head->base = head->agp_info.aper_base;
-	return head;
-}
-/* Only exported for i810.ko */
-EXPORT_SYMBOL(drm_legacy_agp_init);
-
-/**
- * drm_legacy_agp_clear - Clear AGP resource list
- * @dev: DRM device
- *
- * Iterate over all AGP resources and remove them. But keep the AGP head
- * intact so it can still be used. It is safe to call this if AGP is disabled or
- * was already removed.
- *
- * Cleanup is only done for drivers who have DRIVER_LEGACY set.
- */
-void drm_legacy_agp_clear(struct drm_device *dev)
-{
-	struct drm_agp_mem *entry, *tempe;
-
-	if (!dev->agp)
-		return;
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return;
-
-	list_for_each_entry_safe(entry, tempe, &dev->agp->memory, head) {
-		if (entry->bound)
-			agp_unbind_memory(entry->memory);
-		agp_free_memory(entry->memory);
-		kfree(entry);
-	}
-	INIT_LIST_HEAD(&dev->agp->memory);
-
-	if (dev->agp->acquired)
-		drm_legacy_agp_release(dev);
-
-	dev->agp->acquired = 0;
-	dev->agp->enabled = 0;
-}
-
-#endif