drm: Remove source code for non-KMS drivers

Remove all remaining source code for non-KMS drivers. These drivers
have been removed in v6.3 and won't comeback.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: David Airlie <airlied@gmail.com>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231122122449.11588-13-tzimmermann@suse.de

15 files changed, 0 insertions, 5187 deletions

diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index b4cb0835620a..8ac6f4b9546e 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -47,18 +47,6 @@ drm-y := \
 	drm_vblank_work.o \
 	drm_vma_manager.o \
 	drm_writeback.o
-drm-$(CONFIG_DRM_LEGACY) += \
-	drm_agpsupport.o \
-	drm_bufs.o \
-	drm_context.o \
-	drm_dma.o \
-	drm_hashtab.o \
-	drm_irq.o \
-	drm_legacy_misc.o \
-	drm_lock.o \
-	drm_memory.o \
-	drm_scatter.o \
-	drm_vm.o
 drm-$(CONFIG_DRM_LIB_RANDOM) += lib/drm_random.o
 drm-$(CONFIG_COMPAT) += drm_ioc32.o
 drm-$(CONFIG_DRM_PANEL) += drm_panel.o
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
diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
deleted file mode 100644
index 86700560fea2..000000000000
--- a/drivers/gpu/drm/drm_bufs.c
+++ /dev/null
@@ -1,1627 +0,0 @@
-/*
- * Legacy: Generic DRM Buffer Management
- *
- * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Author: Rickard E. (Rik) Faith <faith@valinux.com>
- * Author: Gareth Hughes <gareth@valinux.com>
- *
- * 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/export.h>
-#include <linux/log2.h>
-#include <linux/mm.h>
-#include <linux/mman.h>
-#include <linux/nospec.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <linux/uaccess.h>
-#include <linux/vmalloc.h>
-
-#include <asm/shmparam.h>
-
-#include <drm/drm_device.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_file.h>
-#include <drm/drm_print.h>
-
-#include "drm_legacy.h"
-
-
-static struct drm_map_list *drm_find_matching_map(struct drm_device *dev,
-						  struct drm_local_map *map)
-{
-	struct drm_map_list *entry;
-
-	list_for_each_entry(entry, &dev->maplist, head) {
-		/*
-		 * Because the kernel-userspace ABI is fixed at a 32-bit offset
-		 * while PCI resources may live above that, we only compare the
-		 * lower 32 bits of the map offset for maps of type
-		 * _DRM_FRAMEBUFFER or _DRM_REGISTERS.
-		 * It is assumed that if a driver have more than one resource
-		 * of each type, the lower 32 bits are different.
-		 */
-		if (!entry->map ||
-		    map->type != entry->map->type ||
-		    entry->master != dev->master)
-			continue;
-		switch (map->type) {
-		case _DRM_SHM:
-			if (map->flags != _DRM_CONTAINS_LOCK)
-				break;
-			return entry;
-		case _DRM_REGISTERS:
-		case _DRM_FRAME_BUFFER:
-			if ((entry->map->offset & 0xffffffff) ==
-			    (map->offset & 0xffffffff))
-				return entry;
-			break;
-		default: /* Make gcc happy */
-			break;
-		}
-		if (entry->map->offset == map->offset)
-			return entry;
-	}
-
-	return NULL;
-}
-
-static int drm_map_handle(struct drm_device *dev, struct drm_hash_item *hash,
-			  unsigned long user_token, int hashed_handle, int shm)
-{
-	int use_hashed_handle, shift;
-	unsigned long add;
-
-#if (BITS_PER_LONG == 64)
-	use_hashed_handle = ((user_token & 0xFFFFFFFF00000000UL) || hashed_handle);
-#elif (BITS_PER_LONG == 32)
-	use_hashed_handle = hashed_handle;
-#else
-#error Unsupported long size. Neither 64 nor 32 bits.
-#endif
-
-	if (!use_hashed_handle) {
-		int ret;
-
-		hash->key = user_token >> PAGE_SHIFT;
-		ret = drm_ht_insert_item(&dev->map_hash, hash);
-		if (ret != -EINVAL)
-			return ret;
-	}
-
-	shift = 0;
-	add = DRM_MAP_HASH_OFFSET >> PAGE_SHIFT;
-	if (shm && (SHMLBA > PAGE_SIZE)) {
-		int bits = ilog2(SHMLBA >> PAGE_SHIFT) + 1;
-
-		/* For shared memory, we have to preserve the SHMLBA
-		 * bits of the eventual vma->vm_pgoff value during
-		 * mmap().  Otherwise we run into cache aliasing problems
-		 * on some platforms.  On these platforms, the pgoff of
-		 * a mmap() request is used to pick a suitable virtual
-		 * address for the mmap() region such that it will not
-		 * cause cache aliasing problems.
-		 *
-		 * Therefore, make sure the SHMLBA relevant bits of the
-		 * hash value we use are equal to those in the original
-		 * kernel virtual address.
-		 */
-		shift = bits;
-		add |= ((user_token >> PAGE_SHIFT) & ((1UL << bits) - 1UL));
-	}
-
-	return drm_ht_just_insert_please(&dev->map_hash, hash,
-					 user_token, 32 - PAGE_SHIFT - 3,
-					 shift, add);
-}
-
-/*
- * Core function to create a range of memory available for mapping by a
- * non-root process.
- *
- * Adjusts the memory offset to its absolute value according to the mapping
- * type.  Adds the map to the map list drm_device::maplist. Adds MTRR's where
- * applicable and if supported by the kernel.
- */
-static int drm_addmap_core(struct drm_device *dev, resource_size_t offset,
-			   unsigned int size, enum drm_map_type type,
-			   enum drm_map_flags flags,
-			   struct drm_map_list **maplist)
-{
-	struct drm_local_map *map;
-	struct drm_map_list *list;
-	unsigned long user_token;
-	int ret;
-
-	map = kmalloc(sizeof(*map), GFP_KERNEL);
-	if (!map)
-		return -ENOMEM;
-
-	map->offset = offset;
-	map->size = size;
-	map->flags = flags;
-	map->type = type;
-
-	/* Only allow shared memory to be removable since we only keep enough
-	 * book keeping information about shared memory to allow for removal
-	 * when processes fork.
-	 */
-	if ((map->flags & _DRM_REMOVABLE) && map->type != _DRM_SHM) {
-		kfree(map);
-		return -EINVAL;
-	}
-	DRM_DEBUG("offset = 0x%08llx, size = 0x%08lx, type = %d\n",
-		  (unsigned long long)map->offset, map->size, map->type);
-
-	/* page-align _DRM_SHM maps. They are allocated here so there is no security
-	 * hole created by that and it works around various broken drivers that use
-	 * a non-aligned quantity to map the SAREA. --BenH
-	 */
-	if (map->type == _DRM_SHM)
-		map->size = PAGE_ALIGN(map->size);
-
-	if ((map->offset & (~(resource_size_t)PAGE_MASK)) || (map->size & (~PAGE_MASK))) {
-		kfree(map);
-		return -EINVAL;
-	}
-	map->mtrr = -1;
-	map->handle = NULL;
-
-	switch (map->type) {
-	case _DRM_REGISTERS:
-	case _DRM_FRAME_BUFFER:
-#if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) && !defined(__powerpc64__) && !defined(__x86_64__) && !defined(__arm__)
-		if (map->offset + (map->size-1) < map->offset ||
-		    map->offset < virt_to_phys(high_memory)) {
-			kfree(map);
-			return -EINVAL;
-		}
-#endif
-		/* Some drivers preinitialize some maps, without the X Server
-		 * needing to be aware of it.  Therefore, we just return success
-		 * when the server tries to create a duplicate map.
-		 */
-		list = drm_find_matching_map(dev, map);
-		if (list != NULL) {
-			if (list->map->size != map->size) {
-				DRM_DEBUG("Matching maps of type %d with "
-					  "mismatched sizes, (%ld vs %ld)\n",
-					  map->type, map->size,
-					  list->map->size);
-				list->map->size = map->size;
-			}
-
-			kfree(map);
-			*maplist = list;
-			return 0;
-		}
-
-		if (map->type == _DRM_FRAME_BUFFER ||
-		    (map->flags & _DRM_WRITE_COMBINING)) {
-			map->mtrr =
-				arch_phys_wc_add(map->offset, map->size);
-		}
-		if (map->type == _DRM_REGISTERS) {
-			if (map->flags & _DRM_WRITE_COMBINING)
-				map->handle = ioremap_wc(map->offset,
-							 map->size);
-			else
-				map->handle = ioremap(map->offset, map->size);
-			if (!map->handle) {
-				kfree(map);
-				return -ENOMEM;
-			}
-		}
-
-		break;
-	case _DRM_SHM:
-		list = drm_find_matching_map(dev, map);
-		if (list != NULL) {
-			if (list->map->size != map->size) {
-				DRM_DEBUG("Matching maps of type %d with "
-					  "mismatched sizes, (%ld vs %ld)\n",
-					  map->type, map->size, list->map->size);
-				list->map->size = map->size;
-			}
-
-			kfree(map);
-			*maplist = list;
-			return 0;
-		}
-		map->handle = vmalloc_user(map->size);
-		DRM_DEBUG("%lu %d %p\n",
-			  map->size, order_base_2(map->size), map->handle);
-		if (!map->handle) {
-			kfree(map);
-			return -ENOMEM;
-		}
-		map->offset = (unsigned long)map->handle;
-		if (map->flags & _DRM_CONTAINS_LOCK) {
-			/* Prevent a 2nd X Server from creating a 2nd lock */
-			if (dev->master->lock.hw_lock != NULL) {
-				vfree(map->handle);
-				kfree(map);
-				return -EBUSY;
-			}
-			dev->sigdata.lock = dev->master->lock.hw_lock = map->handle;	/* Pointer to lock */
-		}
-		break;
-	case _DRM_AGP: {
-		struct drm_agp_mem *entry;
-		int valid = 0;
-
-		if (!dev->agp) {
-			kfree(map);
-			return -EINVAL;
-		}
-#ifdef __alpha__
-		map->offset += dev->hose->mem_space->start;
-#endif
-		/* In some cases (i810 driver), user space may have already
-		 * added the AGP base itself, because dev->agp->base previously
-		 * only got set during AGP enable.  So, only add the base
-		 * address if the map's offset isn't already within the
-		 * aperture.
-		 */
-		if (map->offset < dev->agp->base ||
-		    map->offset > dev->agp->base +
-		    dev->agp->agp_info.aper_size * 1024 * 1024 - 1) {
-			map->offset += dev->agp->base;
-		}
-		map->mtrr = dev->agp->agp_mtrr;	/* for getmap */
-
-		/* This assumes the DRM is in total control of AGP space.
-		 * It's not always the case as AGP can be in the control
-		 * of user space (i.e. i810 driver). So this loop will get
-		 * skipped and we double check that dev->agp->memory is
-		 * actually set as well as being invalid before EPERM'ing
-		 */
-		list_for_each_entry(entry, &dev->agp->memory, head) {
-			if ((map->offset >= entry->bound) &&
-			    (map->offset + map->size <= entry->bound + entry->pages * PAGE_SIZE)) {
-				valid = 1;
-				break;
-			}
-		}
-		if (!list_empty(&dev->agp->memory) && !valid) {
-			kfree(map);
-			return -EPERM;
-		}
-		DRM_DEBUG("AGP offset = 0x%08llx, size = 0x%08lx\n",
-			  (unsigned long long)map->offset, map->size);
-
-		break;
-	}
-	case _DRM_SCATTER_GATHER:
-		if (!dev->sg) {
-			kfree(map);
-			return -EINVAL;
-		}
-		map->offset += (unsigned long)dev->sg->virtual;
-		break;
-	case _DRM_CONSISTENT:
-		/* dma_addr_t is 64bit on i386 with CONFIG_HIGHMEM64G,
-		 * As we're limiting the address to 2^32-1 (or less),
-		 * casting it down to 32 bits is no problem, but we
-		 * need to point to a 64bit variable first.
-		 */
-		map->handle = dma_alloc_coherent(dev->dev,
-						 map->size,
-						 &map->offset,
-						 GFP_KERNEL);
-		if (!map->handle) {
-			kfree(map);
-			return -ENOMEM;
-		}
-		break;
-	default:
-		kfree(map);
-		return -EINVAL;
-	}
-
-	list = kzalloc(sizeof(*list), GFP_KERNEL);
-	if (!list) {
-		if (map->type == _DRM_REGISTERS)
-			iounmap(map->handle);
-		kfree(map);
-		return -EINVAL;
-	}
-	list->map = map;
-
-	mutex_lock(&dev->struct_mutex);
-	list_add(&list->head, &dev->maplist);
-
-	/* Assign a 32-bit handle */
-	/* We do it here so that dev->struct_mutex protects the increment */
-	user_token = (map->type == _DRM_SHM) ? (unsigned long)map->handle :
-		map->offset;
-	ret = drm_map_handle(dev, &list->hash, user_token, 0,
-			     (map->type == _DRM_SHM));
-	if (ret) {
-		if (map->type == _DRM_REGISTERS)
-			iounmap(map->handle);
-		kfree(map);
-		kfree(list);
-		mutex_unlock(&dev->struct_mutex);
-		return ret;
-	}
-
-	list->user_token = list->hash.key << PAGE_SHIFT;
-	mutex_unlock(&dev->struct_mutex);
-
-	if (!(map->flags & _DRM_DRIVER))
-		list->master = dev->master;
-	*maplist = list;
-	return 0;
-}
-
-int drm_legacy_addmap(struct drm_device *dev, resource_size_t offset,
-		      unsigned int size, enum drm_map_type type,
-		      enum drm_map_flags flags, struct drm_local_map **map_ptr)
-{
-	struct drm_map_list *list;
-	int rc;
-
-	rc = drm_addmap_core(dev, offset, size, type, flags, &list);
-	if (!rc)
-		*map_ptr = list->map;
-	return rc;
-}
-EXPORT_SYMBOL(drm_legacy_addmap);
-
-struct drm_local_map *drm_legacy_findmap(struct drm_device *dev,
-					 unsigned int token)
-{
-	struct drm_map_list *_entry;
-
-	list_for_each_entry(_entry, &dev->maplist, head)
-		if (_entry->user_token == token)
-			return _entry->map;
-	return NULL;
-}
-EXPORT_SYMBOL(drm_legacy_findmap);
-
-/*
- * Ioctl to specify a range of memory that is available for mapping by a
- * non-root process.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg pointer to a drm_map structure.
- * \return zero on success or a negative value on error.
- *
- */
-int drm_legacy_addmap_ioctl(struct drm_device *dev, void *data,
-			    struct drm_file *file_priv)
-{
-	struct drm_map *map = data;
-	struct drm_map_list *maplist;
-	int err;
-
-	if (!(capable(CAP_SYS_ADMIN) || map->type == _DRM_AGP || map->type == _DRM_SHM))
-		return -EPERM;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	err = drm_addmap_core(dev, map->offset, map->size, map->type,
-			      map->flags, &maplist);
-
-	if (err)
-		return err;
-
-	/* avoid a warning on 64-bit, this casting isn't very nice, but the API is set so too late */
-	map->handle = (void *)(unsigned long)maplist->user_token;
-
-	/*
-	 * It appears that there are no users of this value whatsoever --
-	 * drmAddMap just discards it.  Let's not encourage its use.
-	 * (Keeping drm_addmap_core's returned mtrr value would be wrong --
-	 *  it's not a real mtrr index anymore.)
-	 */
-	map->mtrr = -1;
-
-	return 0;
-}
-
-/*
- * Get a mapping information.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_map structure.
- *
- * \return zero on success or a negative number on failure.
- *
- * Searches for the mapping with the specified offset and copies its information
- * into userspace
- */
-int drm_legacy_getmap_ioctl(struct drm_device *dev, void *data,
-			    struct drm_file *file_priv)
-{
-	struct drm_map *map = data;
-	struct drm_map_list *r_list = NULL;
-	struct list_head *list;
-	int idx;
-	int i;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	idx = map->offset;
-	if (idx < 0)
-		return -EINVAL;
-
-	i = 0;
-	mutex_lock(&dev->struct_mutex);
-	list_for_each(list, &dev->maplist) {
-		if (i == idx) {
-			r_list = list_entry(list, struct drm_map_list, head);
-			break;
-		}
-		i++;
-	}
-	if (!r_list || !r_list->map) {
-		mutex_unlock(&dev->struct_mutex);
-		return -EINVAL;
-	}
-
-	map->offset = r_list->map->offset;
-	map->size = r_list->map->size;
-	map->type = r_list->map->type;
-	map->flags = r_list->map->flags;
-	map->handle = (void *)(unsigned long) r_list->user_token;
-	map->mtrr = arch_phys_wc_index(r_list->map->mtrr);
-
-	mutex_unlock(&dev->struct_mutex);
-
-	return 0;
-}
-
-/*
- * Remove a map private from list and deallocate resources if the mapping
- * isn't in use.
- *
- * Searches the map on drm_device::maplist, removes it from the list, see if
- * it's being used, and free any associated resource (such as MTRR's) if it's not
- * being on use.
- *
- * \sa drm_legacy_addmap
- */
-int drm_legacy_rmmap_locked(struct drm_device *dev, struct drm_local_map *map)
-{
-	struct drm_map_list *r_list = NULL, *list_t;
-	int found = 0;
-	struct drm_master *master;
-
-	/* Find the list entry for the map and remove it */
-	list_for_each_entry_safe(r_list, list_t, &dev->maplist, head) {
-		if (r_list->map == map) {
-			master = r_list->master;
-			list_del(&r_list->head);
-			drm_ht_remove_key(&dev->map_hash,
-					  r_list->user_token >> PAGE_SHIFT);
-			kfree(r_list);
-			found = 1;
-			break;
-		}
-	}
-
-	if (!found)
-		return -EINVAL;
-
-	switch (map->type) {
-	case _DRM_REGISTERS:
-		iounmap(map->handle);
-		fallthrough;
-	case _DRM_FRAME_BUFFER:
-		arch_phys_wc_del(map->mtrr);
-		break;
-	case _DRM_SHM:
-		vfree(map->handle);
-		if (master) {
-			if (dev->sigdata.lock == master->lock.hw_lock)
-				dev->sigdata.lock = NULL;
-			master->lock.hw_lock = NULL;   /* SHM removed */
-			master->lock.file_priv = NULL;
-			wake_up_interruptible_all(&master->lock.lock_queue);
-		}
-		break;
-	case _DRM_AGP:
-	case _DRM_SCATTER_GATHER:
-		break;
-	case _DRM_CONSISTENT:
-		dma_free_coherent(dev->dev,
-				  map->size,
-				  map->handle,
-				  map->offset);
-		break;
-	}
-	kfree(map);
-
-	return 0;
-}
-EXPORT_SYMBOL(drm_legacy_rmmap_locked);
-
-void drm_legacy_rmmap(struct drm_device *dev, struct drm_local_map *map)
-{
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return;
-
-	mutex_lock(&dev->struct_mutex);
-	drm_legacy_rmmap_locked(dev, map);
-	mutex_unlock(&dev->struct_mutex);
-}
-EXPORT_SYMBOL(drm_legacy_rmmap);
-
-void drm_legacy_master_rmmaps(struct drm_device *dev, struct drm_master *master)
-{
-	struct drm_map_list *r_list, *list_temp;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return;
-
-	mutex_lock(&dev->struct_mutex);
-	list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) {
-		if (r_list->master == master) {
-			drm_legacy_rmmap_locked(dev, r_list->map);
-			r_list = NULL;
-		}
-	}
-	mutex_unlock(&dev->struct_mutex);
-}
-
-void drm_legacy_rmmaps(struct drm_device *dev)
-{
-	struct drm_map_list *r_list, *list_temp;
-
-	list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head)
-		drm_legacy_rmmap(dev, r_list->map);
-}
-
-/* The rmmap ioctl appears to be unnecessary.  All mappings are torn down on
- * the last close of the device, and this is necessary for cleanup when things
- * exit uncleanly.  Therefore, having userland manually remove mappings seems
- * like a pointless exercise since they're going away anyway.
- *
- * One use case might be after addmap is allowed for normal users for SHM and
- * gets used by drivers that the server doesn't need to care about.  This seems
- * unlikely.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg pointer to a struct drm_map structure.
- * \return zero on success or a negative value on error.
- */
-int drm_legacy_rmmap_ioctl(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv)
-{
-	struct drm_map *request = data;
-	struct drm_local_map *map = NULL;
-	struct drm_map_list *r_list;
-	int ret;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	mutex_lock(&dev->struct_mutex);
-	list_for_each_entry(r_list, &dev->maplist, head) {
-		if (r_list->map &&
-		    r_list->user_token == (unsigned long)request->handle &&
-		    r_list->map->flags & _DRM_REMOVABLE) {
-			map = r_list->map;
-			break;
-		}
-	}
-
-	/* List has wrapped around to the head pointer, or it's empty we didn't
-	 * find anything.
-	 */
-	if (list_empty(&dev->maplist) || !map) {
-		mutex_unlock(&dev->struct_mutex);
-		return -EINVAL;
-	}
-
-	/* Register and framebuffer maps are permanent */
-	if ((map->type == _DRM_REGISTERS) || (map->type == _DRM_FRAME_BUFFER)) {
-		mutex_unlock(&dev->struct_mutex);
-		return 0;
-	}
-
-	ret = drm_legacy_rmmap_locked(dev, map);
-
-	mutex_unlock(&dev->struct_mutex);
-
-	return ret;
-}
-
-/*
- * Cleanup after an error on one of the addbufs() functions.
- *
- * \param dev DRM device.
- * \param entry buffer entry where the error occurred.
- *
- * Frees any pages and buffers associated with the given entry.
- */
-static void drm_cleanup_buf_error(struct drm_device *dev,
-				  struct drm_buf_entry *entry)
-{
-	drm_dma_handle_t *dmah;
-	int i;
-
-	if (entry->seg_count) {
-		for (i = 0; i < entry->seg_count; i++) {
-			if (entry->seglist[i]) {
-				dmah = entry->seglist[i];
-				dma_free_coherent(dev->dev,
-						  dmah->size,
-						  dmah->vaddr,
-						  dmah->busaddr);
-				kfree(dmah);
-			}
-		}
-		kfree(entry->seglist);
-
-		entry->seg_count = 0;
-	}
-
-	if (entry->buf_count) {
-		for (i = 0; i < entry->buf_count; i++) {
-			kfree(entry->buflist[i].dev_private);
-		}
-		kfree(entry->buflist);
-
-		entry->buf_count = 0;
-	}
-}
-
-#if IS_ENABLED(CONFIG_AGP)
-/*
- * Add AGP buffers for DMA transfers.
- *
- * \param dev struct drm_device to which the buffers are to be added.
- * \param request pointer to a struct drm_buf_desc describing the request.
- * \return zero on success or a negative number on failure.
- *
- * After some sanity checks creates a drm_buf structure for each buffer and
- * reallocates the buffer list of the same size order to accommodate the new
- * buffers.
- */
-int drm_legacy_addbufs_agp(struct drm_device *dev,
-			   struct drm_buf_desc *request)
-{
-	struct drm_device_dma *dma = dev->dma;
-	struct drm_buf_entry *entry;
-	struct drm_agp_mem *agp_entry;
-	struct drm_buf *buf;
-	unsigned long offset;
-	unsigned long agp_offset;
-	int count;
-	int order;
-	int size;
-	int alignment;
-	int page_order;
-	int total;
-	int byte_count;
-	int i, valid;
-	struct drm_buf **temp_buflist;
-
-	if (!dma)
-		return -EINVAL;
-
-	count = request->count;
-	order = order_base_2(request->size);
-	size = 1 << order;
-
-	alignment = (request->flags & _DRM_PAGE_ALIGN)
-	    ? PAGE_ALIGN(size) : size;
-	page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
-	total = PAGE_SIZE << page_order;
-
-	byte_count = 0;
-	agp_offset = dev->agp->base + request->agp_start;
-
-	DRM_DEBUG("count:      %d\n", count);
-	DRM_DEBUG("order:      %d\n", order);
-	DRM_DEBUG("size:       %d\n", size);
-	DRM_DEBUG("agp_offset: %lx\n", agp_offset);
-	DRM_DEBUG("alignment:  %d\n", alignment);
-	DRM_DEBUG("page_order: %d\n", page_order);
-	DRM_DEBUG("total:      %d\n", total);
-
-	if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER)
-		return -EINVAL;
-
-	/* Make sure buffers are located in AGP memory that we own */
-	valid = 0;
-	list_for_each_entry(agp_entry, &dev->agp->memory, head) {
-		if ((agp_offset >= agp_entry->bound) &&
-		    (agp_offset + total * count <= agp_entry->bound + agp_entry->pages * PAGE_SIZE)) {
-			valid = 1;
-			break;
-		}
-	}
-	if (!list_empty(&dev->agp->memory) && !valid) {
-		DRM_DEBUG("zone invalid\n");
-		return -EINVAL;
-	}
-	spin_lock(&dev->buf_lock);
-	if (dev->buf_use) {
-		spin_unlock(&dev->buf_lock);
-		return -EBUSY;
-	}
-	atomic_inc(&dev->buf_alloc);
-	spin_unlock(&dev->buf_lock);
-
-	mutex_lock(&dev->struct_mutex);
-	entry = &dma->bufs[order];
-	if (entry->buf_count) {
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -ENOMEM;	/* May only call once for each order */
-	}
-
-	if (count < 0 || count > 4096) {
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -EINVAL;
-	}
-
-	entry->buflist = kcalloc(count, sizeof(*entry->buflist), GFP_KERNEL);
-	if (!entry->buflist) {
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -ENOMEM;
-	}
-
-	entry->buf_size = size;
-	entry->page_order = page_order;
-
-	offset = 0;
-
-	while (entry->buf_count < count) {
-		buf = &entry->buflist[entry->buf_count];
-		buf->idx = dma->buf_count + entry->buf_count;
-		buf->total = alignment;
-		buf->order = order;
-		buf->used = 0;
-
-		buf->offset = (dma->byte_count + offset);
-		buf->bus_address = agp_offset + offset;
-		buf->address = (void *)(agp_offset + offset);
-		buf->next = NULL;
-		buf->waiting = 0;
-		buf->pending = 0;
-		buf->file_priv = NULL;
-
-		buf->dev_priv_size = dev->driver->dev_priv_size;
-		buf->dev_private = kzalloc(buf->dev_priv_size, GFP_KERNEL);
-		if (!buf->dev_private) {
-			/* Set count correctly so we free the proper amount. */
-			entry->buf_count = count;
-			drm_cleanup_buf_error(dev, entry);
-			mutex_unlock(&dev->struct_mutex);
-			atomic_dec(&dev->buf_alloc);
-			return -ENOMEM;
-		}
-
-		DRM_DEBUG("buffer %d @ %p\n", entry->buf_count, buf->address);
-
-		offset += alignment;
-		entry->buf_count++;
-		byte_count += PAGE_SIZE << page_order;
-	}
-
-	DRM_DEBUG("byte_count: %d\n", byte_count);
-
-	temp_buflist = krealloc(dma->buflist,
-				(dma->buf_count + entry->buf_count) *
-				sizeof(*dma->buflist), GFP_KERNEL);
-	if (!temp_buflist) {
-		/* Free the entry because it isn't valid */
-		drm_cleanup_buf_error(dev, entry);
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -ENOMEM;
-	}
-	dma->buflist = temp_buflist;
-
-	for (i = 0; i < entry->buf_count; i++) {
-		dma->buflist[i + dma->buf_count] = &entry->buflist[i];
-	}
-
-	dma->buf_count += entry->buf_count;
-	dma->seg_count += entry->seg_count;
-	dma->page_count += byte_count >> PAGE_SHIFT;
-	dma->byte_count += byte_count;
-
-	DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count);
-	DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count);
-
-	mutex_unlock(&dev->struct_mutex);
-
-	request->count = entry->buf_count;
-	request->size = size;
-
-	dma->flags = _DRM_DMA_USE_AGP;
-
-	atomic_dec(&dev->buf_alloc);
-	return 0;
-}
-EXPORT_SYMBOL(drm_legacy_addbufs_agp);
-#endif /* CONFIG_AGP */
-
-int drm_legacy_addbufs_pci(struct drm_device *dev,
-			   struct drm_buf_desc *request)
-{
-	struct drm_device_dma *dma = dev->dma;
-	int count;
-	int order;
-	int size;
-	int total;
-	int page_order;
-	struct drm_buf_entry *entry;
-	drm_dma_handle_t *dmah;
-	struct drm_buf *buf;
-	int alignment;
-	unsigned long offset;
-	int i;
-	int byte_count;
-	int page_count;
-	unsigned long *temp_pagelist;
-	struct drm_buf **temp_buflist;
-
-	if (!drm_core_check_feature(dev, DRIVER_PCI_DMA))
-		return -EOPNOTSUPP;
-
-	if (!dma)
-		return -EINVAL;
-
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
-
-	count = request->count;
-	order = order_base_2(request->size);
-	size = 1 << order;
-
-	DRM_DEBUG("count=%d, size=%d (%d), order=%d\n",
-		  request->count, request->size, size, order);
-
-	if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER)
-		return -EINVAL;
-
-	alignment = (request->flags & _DRM_PAGE_ALIGN)
-	    ? PAGE_ALIGN(size) : size;
-	page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
-	total = PAGE_SIZE << page_order;
-
-	spin_lock(&dev->buf_lock);
-	if (dev->buf_use) {
-		spin_unlock(&dev->buf_lock);
-		return -EBUSY;
-	}
-	atomic_inc(&dev->buf_alloc);
-	spin_unlock(&dev->buf_lock);
-
-	mutex_lock(&dev->struct_mutex);
-	entry = &dma->bufs[order];
-	if (entry->buf_count) {
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -ENOMEM;	/* May only call once for each order */
-	}
-
-	if (count < 0 || count > 4096) {
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -EINVAL;
-	}
-
-	entry->buflist = kcalloc(count, sizeof(*entry->buflist), GFP_KERNEL);
-	if (!entry->buflist) {
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -ENOMEM;
-	}
-
-	entry->seglist = kcalloc(count, sizeof(*entry->seglist), GFP_KERNEL);
-	if (!entry->seglist) {
-		kfree(entry->buflist);
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -ENOMEM;
-	}
-
-	/* Keep the original pagelist until we know all the allocations
-	 * have succeeded
-	 */
-	temp_pagelist = kmalloc_array(dma->page_count + (count << page_order),
-				      sizeof(*dma->pagelist),
-				      GFP_KERNEL);
-	if (!temp_pagelist) {
-		kfree(entry->buflist);
-		kfree(entry->seglist);
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -ENOMEM;
-	}
-	memcpy(temp_pagelist,
-	       dma->pagelist, dma->page_count * sizeof(*dma->pagelist));
-	DRM_DEBUG("pagelist: %d entries\n",
-		  dma->page_count + (count << page_order));
-
-	entry->buf_size = size;
-	entry->page_order = page_order;
-	byte_count = 0;
-	page_count = 0;
-
-	while (entry->buf_count < count) {
-		dmah = kmalloc(sizeof(drm_dma_handle_t), GFP_KERNEL);
-		if (!dmah) {
-			/* Set count correctly so we free the proper amount. */
-			entry->buf_count = count;
-			entry->seg_count = count;
-			drm_cleanup_buf_error(dev, entry);
-			kfree(temp_pagelist);
-			mutex_unlock(&dev->struct_mutex);
-			atomic_dec(&dev->buf_alloc);
-			return -ENOMEM;
-		}
-
-		dmah->size = total;
-		dmah->vaddr = dma_alloc_coherent(dev->dev,
-						 dmah->size,
-						 &dmah->busaddr,
-						 GFP_KERNEL);
-		if (!dmah->vaddr) {
-			kfree(dmah);
-
-			/* Set count correctly so we free the proper amount. */
-			entry->buf_count = count;
-			entry->seg_count = count;
-			drm_cleanup_buf_error(dev, entry);
-			kfree(temp_pagelist);
-			mutex_unlock(&dev->struct_mutex);
-			atomic_dec(&dev->buf_alloc);
-			return -ENOMEM;
-		}
-		entry->seglist[entry->seg_count++] = dmah;
-		for (i = 0; i < (1 << page_order); i++) {
-			DRM_DEBUG("page %d @ 0x%08lx\n",
-				  dma->page_count + page_count,
-				  (unsigned long)dmah->vaddr + PAGE_SIZE * i);
-			temp_pagelist[dma->page_count + page_count++]
-				= (unsigned long)dmah->vaddr + PAGE_SIZE * i;
-		}
-		for (offset = 0;
-		     offset + size <= total && entry->buf_count < count;
-		     offset += alignment, ++entry->buf_count) {
-			buf = &entry->buflist[entry->buf_count];
-			buf->idx = dma->buf_count + entry->buf_count;
-			buf->total = alignment;
-			buf->order = order;
-			buf->used = 0;
-			buf->offset = (dma->byte_count + byte_count + offset);
-			buf->address = (void *)(dmah->vaddr + offset);
-			buf->bus_address = dmah->busaddr + offset;
-			buf->next = NULL;
-			buf->waiting = 0;
-			buf->pending = 0;
-			buf->file_priv = NULL;
-
-			buf->dev_priv_size = dev->driver->dev_priv_size;
-			buf->dev_private = kzalloc(buf->dev_priv_size,
-						GFP_KERNEL);
-			if (!buf->dev_private) {
-				/* Set count correctly so we free the proper amount. */
-				entry->buf_count = count;
-				entry->seg_count = count;
-				drm_cleanup_buf_error(dev, entry);
-				kfree(temp_pagelist);
-				mutex_unlock(&dev->struct_mutex);
-				atomic_dec(&dev->buf_alloc);
-				return -ENOMEM;
-			}
-
-			DRM_DEBUG("buffer %d @ %p\n",
-				  entry->buf_count, buf->address);
-		}
-		byte_count += PAGE_SIZE << page_order;
-	}
-
-	temp_buflist = krealloc(dma->buflist,
-				(dma->buf_count + entry->buf_count) *
-				sizeof(*dma->buflist), GFP_KERNEL);
-	if (!temp_buflist) {
-		/* Free the entry because it isn't valid */
-		drm_cleanup_buf_error(dev, entry);
-		kfree(temp_pagelist);
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -ENOMEM;
-	}
-	dma->buflist = temp_buflist;
-
-	for (i = 0; i < entry->buf_count; i++) {
-		dma->buflist[i + dma->buf_count] = &entry->buflist[i];
-	}
-
-	/* No allocations failed, so now we can replace the original pagelist
-	 * with the new one.
-	 */
-	if (dma->page_count) {
-		kfree(dma->pagelist);
-	}
-	dma->pagelist = temp_pagelist;
-
-	dma->buf_count += entry->buf_count;
-	dma->seg_count += entry->seg_count;
-	dma->page_count += entry->seg_count << page_order;
-	dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order);
-
-	mutex_unlock(&dev->struct_mutex);
-
-	request->count = entry->buf_count;
-	request->size = size;
-
-	if (request->flags & _DRM_PCI_BUFFER_RO)
-		dma->flags = _DRM_DMA_USE_PCI_RO;
-
-	atomic_dec(&dev->buf_alloc);
-	return 0;
-
-}
-EXPORT_SYMBOL(drm_legacy_addbufs_pci);
-
-static int drm_legacy_addbufs_sg(struct drm_device *dev,
-				 struct drm_buf_desc *request)
-{
-	struct drm_device_dma *dma = dev->dma;
-	struct drm_buf_entry *entry;
-	struct drm_buf *buf;
-	unsigned long offset;
-	unsigned long agp_offset;
-	int count;
-	int order;
-	int size;
-	int alignment;
-	int page_order;
-	int total;
-	int byte_count;
-	int i;
-	struct drm_buf **temp_buflist;
-
-	if (!drm_core_check_feature(dev, DRIVER_SG))
-		return -EOPNOTSUPP;
-
-	if (!dma)
-		return -EINVAL;
-
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
-
-	count = request->count;
-	order = order_base_2(request->size);
-	size = 1 << order;
-
-	alignment = (request->flags & _DRM_PAGE_ALIGN)
-	    ? PAGE_ALIGN(size) : size;
-	page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
-	total = PAGE_SIZE << page_order;
-
-	byte_count = 0;
-	agp_offset = request->agp_start;
-
-	DRM_DEBUG("count:      %d\n", count);
-	DRM_DEBUG("order:      %d\n", order);
-	DRM_DEBUG("size:       %d\n", size);
-	DRM_DEBUG("agp_offset: %lu\n", agp_offset);
-	DRM_DEBUG("alignment:  %d\n", alignment);
-	DRM_DEBUG("page_order: %d\n", page_order);
-	DRM_DEBUG("total:      %d\n", total);
-
-	if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER)
-		return -EINVAL;
-
-	spin_lock(&dev->buf_lock);
-	if (dev->buf_use) {
-		spin_unlock(&dev->buf_lock);
-		return -EBUSY;
-	}
-	atomic_inc(&dev->buf_alloc);
-	spin_unlock(&dev->buf_lock);
-
-	mutex_lock(&dev->struct_mutex);
-	entry = &dma->bufs[order];
-	if (entry->buf_count) {
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -ENOMEM;	/* May only call once for each order */
-	}
-
-	if (count < 0 || count > 4096) {
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -EINVAL;
-	}
-
-	entry->buflist = kcalloc(count, sizeof(*entry->buflist), GFP_KERNEL);
-	if (!entry->buflist) {
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -ENOMEM;
-	}
-
-	entry->buf_size = size;
-	entry->page_order = page_order;
-
-	offset = 0;
-
-	while (entry->buf_count < count) {
-		buf = &entry->buflist[entry->buf_count];
-		buf->idx = dma->buf_count + entry->buf_count;
-		buf->total = alignment;
-		buf->order = order;
-		buf->used = 0;
-
-		buf->offset = (dma->byte_count + offset);
-		buf->bus_address = agp_offset + offset;
-		buf->address = (void *)(agp_offset + offset
-					+ (unsigned long)dev->sg->virtual);
-		buf->next = NULL;
-		buf->waiting = 0;
-		buf->pending = 0;
-		buf->file_priv = NULL;
-
-		buf->dev_priv_size = dev->driver->dev_priv_size;
-		buf->dev_private = kzalloc(buf->dev_priv_size, GFP_KERNEL);
-		if (!buf->dev_private) {
-			/* Set count correctly so we free the proper amount. */
-			entry->buf_count = count;
-			drm_cleanup_buf_error(dev, entry);
-			mutex_unlock(&dev->struct_mutex);
-			atomic_dec(&dev->buf_alloc);
-			return -ENOMEM;
-		}
-
-		DRM_DEBUG("buffer %d @ %p\n", entry->buf_count, buf->address);
-
-		offset += alignment;
-		entry->buf_count++;
-		byte_count += PAGE_SIZE << page_order;
-	}
-
-	DRM_DEBUG("byte_count: %d\n", byte_count);
-
-	temp_buflist = krealloc(dma->buflist,
-				(dma->buf_count + entry->buf_count) *
-				sizeof(*dma->buflist), GFP_KERNEL);
-	if (!temp_buflist) {
-		/* Free the entry because it isn't valid */
-		drm_cleanup_buf_error(dev, entry);
-		mutex_unlock(&dev->struct_mutex);
-		atomic_dec(&dev->buf_alloc);
-		return -ENOMEM;
-	}
-	dma->buflist = temp_buflist;
-
-	for (i = 0; i < entry->buf_count; i++) {
-		dma->buflist[i + dma->buf_count] = &entry->buflist[i];
-	}
-
-	dma->buf_count += entry->buf_count;
-	dma->seg_count += entry->seg_count;
-	dma->page_count += byte_count >> PAGE_SHIFT;
-	dma->byte_count += byte_count;
-
-	DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count);
-	DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count);
-
-	mutex_unlock(&dev->struct_mutex);
-
-	request->count = entry->buf_count;
-	request->size = size;
-
-	dma->flags = _DRM_DMA_USE_SG;
-
-	atomic_dec(&dev->buf_alloc);
-	return 0;
-}
-
-/*
- * Add buffers for DMA transfers (ioctl).
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg pointer to a struct drm_buf_desc request.
- * \return zero on success or a negative number on failure.
- *
- * According with the memory type specified in drm_buf_desc::flags and the
- * build options, it dispatches the call either to addbufs_agp(),
- * addbufs_sg() or addbufs_pci() for AGP, scatter-gather or consistent
- * PCI memory respectively.
- */
-int drm_legacy_addbufs(struct drm_device *dev, void *data,
-		       struct drm_file *file_priv)
-{
-	struct drm_buf_desc *request = data;
-	int ret;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
-		return -EOPNOTSUPP;
-
-#if IS_ENABLED(CONFIG_AGP)
-	if (request->flags & _DRM_AGP_BUFFER)
-		ret = drm_legacy_addbufs_agp(dev, request);
-	else
-#endif
-	if (request->flags & _DRM_SG_BUFFER)
-		ret = drm_legacy_addbufs_sg(dev, request);
-	else if (request->flags & _DRM_FB_BUFFER)
-		ret = -EINVAL;
-	else
-		ret = drm_legacy_addbufs_pci(dev, request);
-
-	return ret;
-}
-
-/*
- * Get information about the buffer mappings.
- *
- * This was originally mean for debugging purposes, or by a sophisticated
- * client library to determine how best to use the available buffers (e.g.,
- * large buffers can be used for image transfer).
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg pointer to a drm_buf_info structure.
- * \return zero on success or a negative number on failure.
- *
- * Increments drm_device::buf_use while holding the drm_device::buf_lock
- * lock, preventing of allocating more buffers after this call. Information
- * about each requested buffer is then copied into user space.
- */
-int __drm_legacy_infobufs(struct drm_device *dev,
-			void *data, int *p,
-			int (*f)(void *, int, struct drm_buf_entry *))
-{
-	struct drm_device_dma *dma = dev->dma;
-	int i;
-	int count;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
-		return -EOPNOTSUPP;
-
-	if (!dma)
-		return -EINVAL;
-
-	spin_lock(&dev->buf_lock);
-	if (atomic_read(&dev->buf_alloc)) {
-		spin_unlock(&dev->buf_lock);
-		return -EBUSY;
-	}
-	++dev->buf_use;		/* Can't allocate more after this call */
-	spin_unlock(&dev->buf_lock);
-
-	for (i = 0, count = 0; i < DRM_MAX_ORDER + 1; i++) {
-		if (dma->bufs[i].buf_count)
-			++count;
-	}
-
-	DRM_DEBUG("count = %d\n", count);
-
-	if (*p >= count) {
-		for (i = 0, count = 0; i < DRM_MAX_ORDER + 1; i++) {
-			struct drm_buf_entry *from = &dma->bufs[i];
-
-			if (from->buf_count) {
-				if (f(data, count, from) < 0)
-					return -EFAULT;
-				DRM_DEBUG("%d %d %d %d %d\n",
-					  i,
-					  dma->bufs[i].buf_count,
-					  dma->bufs[i].buf_size,
-					  dma->bufs[i].low_mark,
-					  dma->bufs[i].high_mark);
-				++count;
-			}
-		}
-	}
-	*p = count;
-
-	return 0;
-}
-
-static int copy_one_buf(void *data, int count, struct drm_buf_entry *from)
-{
-	struct drm_buf_info *request = data;
-	struct drm_buf_desc __user *to = &request->list[count];
-	struct drm_buf_desc v = {.count = from->buf_count,
-				 .size = from->buf_size,
-				 .low_mark = from->low_mark,
-				 .high_mark = from->high_mark};
-
-	if (copy_to_user(to, &v, offsetof(struct drm_buf_desc, flags)))
-		return -EFAULT;
-	return 0;
-}
-
-int drm_legacy_infobufs(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	struct drm_buf_info *request = data;
-
-	return __drm_legacy_infobufs(dev, data, &request->count, copy_one_buf);
-}
-
-/*
- * Specifies a low and high water mark for buffer allocation
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg a pointer to a drm_buf_desc structure.
- * \return zero on success or a negative number on failure.
- *
- * Verifies that the size order is bounded between the admissible orders and
- * updates the respective drm_device_dma::bufs entry low and high water mark.
- *
- * \note This ioctl is deprecated and mostly never used.
- */
-int drm_legacy_markbufs(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	struct drm_device_dma *dma = dev->dma;
-	struct drm_buf_desc *request = data;
-	int order;
-	struct drm_buf_entry *entry;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
-		return -EOPNOTSUPP;
-
-	if (!dma)
-		return -EINVAL;
-
-	DRM_DEBUG("%d, %d, %d\n",
-		  request->size, request->low_mark, request->high_mark);
-	order = order_base_2(request->size);
-	if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER)
-		return -EINVAL;
-	entry = &dma->bufs[order];
-
-	if (request->low_mark < 0 || request->low_mark > entry->buf_count)
-		return -EINVAL;
-	if (request->high_mark < 0 || request->high_mark > entry->buf_count)
-		return -EINVAL;
-
-	entry->low_mark = request->low_mark;
-	entry->high_mark = request->high_mark;
-
-	return 0;
-}
-
-/*
- * Unreserve the buffers in list, previously reserved using drmDMA.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg pointer to a drm_buf_free structure.
- * \return zero on success or a negative number on failure.
- *
- * Calls free_buffer() for each used buffer.
- * This function is primarily used for debugging.
- */
-int drm_legacy_freebufs(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	struct drm_device_dma *dma = dev->dma;
-	struct drm_buf_free *request = data;
-	int i;
-	int idx;
-	struct drm_buf *buf;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
-		return -EOPNOTSUPP;
-
-	if (!dma)
-		return -EINVAL;
-
-	DRM_DEBUG("%d\n", request->count);
-	for (i = 0; i < request->count; i++) {
-		if (copy_from_user(&idx, &request->list[i], sizeof(idx)))
-			return -EFAULT;
-		if (idx < 0 || idx >= dma->buf_count) {
-			DRM_ERROR("Index %d (of %d max)\n",
-				  idx, dma->buf_count - 1);
-			return -EINVAL;
-		}
-		idx = array_index_nospec(idx, dma->buf_count);
-		buf = dma->buflist[idx];
-		if (buf->file_priv != file_priv) {
-			DRM_ERROR("Process %d freeing buffer not owned\n",
-				  task_pid_nr(current));
-			return -EINVAL;
-		}
-		drm_legacy_free_buffer(dev, buf);
-	}
-
-	return 0;
-}
-
-/*
- * Maps all of the DMA buffers into client-virtual space (ioctl).
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg pointer to a drm_buf_map structure.
- * \return zero on success or a negative number on failure.
- *
- * Maps the AGP, SG or PCI buffer region with vm_mmap(), and copies information
- * about each buffer into user space. For PCI buffers, it calls vm_mmap() with
- * offset equal to 0, which drm_mmap() interprets as PCI buffers and calls
- * drm_mmap_dma().
- */
-int __drm_legacy_mapbufs(struct drm_device *dev, void *data, int *p,
-			 void __user **v,
-			 int (*f)(void *, int, unsigned long,
-				 struct drm_buf *),
-				 struct drm_file *file_priv)
-{
-	struct drm_device_dma *dma = dev->dma;
-	int retcode = 0;
-	unsigned long virtual;
-	int i;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
-		return -EOPNOTSUPP;
-
-	if (!dma)
-		return -EINVAL;
-
-	spin_lock(&dev->buf_lock);
-	if (atomic_read(&dev->buf_alloc)) {
-		spin_unlock(&dev->buf_lock);
-		return -EBUSY;
-	}
-	dev->buf_use++;		/* Can't allocate more after this call */
-	spin_unlock(&dev->buf_lock);
-
-	if (*p >= dma->buf_count) {
-		if ((dev->agp && (dma->flags & _DRM_DMA_USE_AGP))
-		    || (drm_core_check_feature(dev, DRIVER_SG)
-			&& (dma->flags & _DRM_DMA_USE_SG))) {
-			struct drm_local_map *map = dev->agp_buffer_map;
-			unsigned long token = dev->agp_buffer_token;
-
-			if (!map) {
-				retcode = -EINVAL;
-				goto done;
-			}
-			virtual = vm_mmap(file_priv->filp, 0, map->size,
-					  PROT_READ | PROT_WRITE,
-					  MAP_SHARED,
-					  token);
-		} else {
-			virtual = vm_mmap(file_priv->filp, 0, dma->byte_count,
-					  PROT_READ | PROT_WRITE,
-					  MAP_SHARED, 0);
-		}
-		if (virtual > -1024UL) {
-			/* Real error */
-			retcode = (signed long)virtual;
-			goto done;
-		}
-		*v = (void __user *)virtual;
-
-		for (i = 0; i < dma->buf_count; i++) {
-			if (f(data, i, virtual, dma->buflist[i]) < 0) {
-				retcode = -EFAULT;
-				goto done;
-			}
-		}
-	}
-      done:
-	*p = dma->buf_count;
-	DRM_DEBUG("%d buffers, retcode = %d\n", *p, retcode);
-
-	return retcode;
-}
-
-static int map_one_buf(void *data, int idx, unsigned long virtual,
-			struct drm_buf *buf)
-{
-	struct drm_buf_map *request = data;
-	unsigned long address = virtual + buf->offset;	/* *** */
-
-	if (copy_to_user(&request->list[idx].idx, &buf->idx,
-			 sizeof(request->list[0].idx)))
-		return -EFAULT;
-	if (copy_to_user(&request->list[idx].total, &buf->total,
-			 sizeof(request->list[0].total)))
-		return -EFAULT;
-	if (clear_user(&request->list[idx].used, sizeof(int)))
-		return -EFAULT;
-	if (copy_to_user(&request->list[idx].address, &address,
-			 sizeof(address)))
-		return -EFAULT;
-	return 0;
-}
-
-int drm_legacy_mapbufs(struct drm_device *dev, void *data,
-		       struct drm_file *file_priv)
-{
-	struct drm_buf_map *request = data;
-
-	return __drm_legacy_mapbufs(dev, data, &request->count,
-				    &request->virtual, map_one_buf,
-				    file_priv);
-}
-
-int drm_legacy_dma_ioctl(struct drm_device *dev, void *data,
-		  struct drm_file *file_priv)
-{
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	if (dev->driver->dma_ioctl)
-		return dev->driver->dma_ioctl(dev, data, file_priv);
-	else
-		return -EINVAL;
-}
-
-struct drm_local_map *drm_legacy_getsarea(struct drm_device *dev)
-{
-	struct drm_map_list *entry;
-
-	list_for_each_entry(entry, &dev->maplist, head) {
-		if (entry->map && entry->map->type == _DRM_SHM &&
-		    (entry->map->flags & _DRM_CONTAINS_LOCK)) {
-			return entry->map;
-		}
-	}
-	return NULL;
-}
-EXPORT_SYMBOL(drm_legacy_getsarea);
diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c
deleted file mode 100644
index a0fc779e5e1e..000000000000
--- a/drivers/gpu/drm/drm_context.c
+++ /dev/null
@@ -1,513 +0,0 @@
-/*
- * Legacy: Generic DRM Contexts
- *
- * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * All Rights Reserved.
- *
- * Author: Rickard E. (Rik) Faith <faith@valinux.com>
- * Author: Gareth Hughes <gareth@valinux.com>
- *
- * 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/slab.h>
-#include <linux/uaccess.h>
-
-#include <drm/drm_drv.h>
-#include <drm/drm_file.h>
-#include <drm/drm_print.h>
-
-#include "drm_legacy.h"
-
-struct drm_ctx_list {
-	struct list_head head;
-	drm_context_t handle;
-	struct drm_file *tag;
-};
-
-/******************************************************************/
-/** \name Context bitmap support */
-/*@{*/
-
-/*
- * Free a handle from the context bitmap.
- *
- * \param dev DRM device.
- * \param ctx_handle context handle.
- *
- * Clears the bit specified by \p ctx_handle in drm_device::ctx_bitmap and the entry
- * in drm_device::ctx_idr, while holding the drm_device::struct_mutex
- * lock.
- */
-void drm_legacy_ctxbitmap_free(struct drm_device * dev, int ctx_handle)
-{
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return;
-
-	mutex_lock(&dev->struct_mutex);
-	idr_remove(&dev->ctx_idr, ctx_handle);
-	mutex_unlock(&dev->struct_mutex);
-}
-
-/*
- * Context bitmap allocation.
- *
- * \param dev DRM device.
- * \return (non-negative) context handle on success or a negative number on failure.
- *
- * Allocate a new idr from drm_device::ctx_idr while holding the
- * drm_device::struct_mutex lock.
- */
-static int drm_legacy_ctxbitmap_next(struct drm_device * dev)
-{
-	int ret;
-
-	mutex_lock(&dev->struct_mutex);
-	ret = idr_alloc(&dev->ctx_idr, NULL, DRM_RESERVED_CONTEXTS, 0,
-			GFP_KERNEL);
-	mutex_unlock(&dev->struct_mutex);
-	return ret;
-}
-
-/*
- * Context bitmap initialization.
- *
- * \param dev DRM device.
- *
- * Initialise the drm_device::ctx_idr
- */
-void drm_legacy_ctxbitmap_init(struct drm_device * dev)
-{
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return;
-
-	idr_init(&dev->ctx_idr);
-}
-
-/*
- * Context bitmap cleanup.
- *
- * \param dev DRM device.
- *
- * Free all idr members using drm_ctx_sarea_free helper function
- * while holding the drm_device::struct_mutex lock.
- */
-void drm_legacy_ctxbitmap_cleanup(struct drm_device * dev)
-{
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return;
-
-	mutex_lock(&dev->struct_mutex);
-	idr_destroy(&dev->ctx_idr);
-	mutex_unlock(&dev->struct_mutex);
-}
-
-/**
- * drm_legacy_ctxbitmap_flush() - Flush all contexts owned by a file
- * @dev: DRM device to operate on
- * @file: Open file to flush contexts for
- *
- * This iterates over all contexts on @dev and drops them if they're owned by
- * @file. Note that after this call returns, new contexts might be added if
- * the file is still alive.
- */
-void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file)
-{
-	struct drm_ctx_list *pos, *tmp;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return;
-
-	mutex_lock(&dev->ctxlist_mutex);
-
-	list_for_each_entry_safe(pos, tmp, &dev->ctxlist, head) {
-		if (pos->tag == file &&
-		    pos->handle != DRM_KERNEL_CONTEXT) {
-			if (dev->driver->context_dtor)
-				dev->driver->context_dtor(dev, pos->handle);
-
-			drm_legacy_ctxbitmap_free(dev, pos->handle);
-			list_del(&pos->head);
-			kfree(pos);
-		}
-	}
-
-	mutex_unlock(&dev->ctxlist_mutex);
-}
-
-/*@}*/
-
-/******************************************************************/
-/** \name Per Context SAREA Support */
-/*@{*/
-
-/*
- * Get per-context SAREA.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx_priv_map structure.
- * \return zero on success or a negative number on failure.
- *
- * Gets the map from drm_device::ctx_idr with the handle specified and
- * returns its handle.
- */
-int drm_legacy_getsareactx(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv)
-{
-	struct drm_ctx_priv_map *request = data;
-	struct drm_local_map *map;
-	struct drm_map_list *_entry;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	mutex_lock(&dev->struct_mutex);
-
-	map = idr_find(&dev->ctx_idr, request->ctx_id);
-	if (!map) {
-		mutex_unlock(&dev->struct_mutex);
-		return -EINVAL;
-	}
-
-	request->handle = NULL;
-	list_for_each_entry(_entry, &dev->maplist, head) {
-		if (_entry->map == map) {
-			request->handle =
-			    (void *)(unsigned long)_entry->user_token;
-			break;
-		}
-	}
-
-	mutex_unlock(&dev->struct_mutex);
-
-	if (request->handle == NULL)
-		return -EINVAL;
-
-	return 0;
-}
-
-/*
- * Set per-context SAREA.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx_priv_map structure.
- * \return zero on success or a negative number on failure.
- *
- * Searches the mapping specified in \p arg and update the entry in
- * drm_device::ctx_idr with it.
- */
-int drm_legacy_setsareactx(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv)
-{
-	struct drm_ctx_priv_map *request = data;
-	struct drm_local_map *map = NULL;
-	struct drm_map_list *r_list = NULL;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	mutex_lock(&dev->struct_mutex);
-	list_for_each_entry(r_list, &dev->maplist, head) {
-		if (r_list->map
-		    && r_list->user_token == (unsigned long) request->handle)
-			goto found;
-	}
-      bad:
-	mutex_unlock(&dev->struct_mutex);
-	return -EINVAL;
-
-      found:
-	map = r_list->map;
-	if (!map)
-		goto bad;
-
-	if (IS_ERR(idr_replace(&dev->ctx_idr, map, request->ctx_id)))
-		goto bad;
-
-	mutex_unlock(&dev->struct_mutex);
-
-	return 0;
-}
-
-/*@}*/
-
-/******************************************************************/
-/** \name The actual DRM context handling routines */
-/*@{*/
-
-/*
- * Switch context.
- *
- * \param dev DRM device.
- * \param old old context handle.
- * \param new new context handle.
- * \return zero on success or a negative number on failure.
- *
- * Attempt to set drm_device::context_flag.
- */
-static int drm_context_switch(struct drm_device * dev, int old, int new)
-{
-	if (test_and_set_bit(0, &dev->context_flag)) {
-		DRM_ERROR("Reentering -- FIXME\n");
-		return -EBUSY;
-	}
-
-	DRM_DEBUG("Context switch from %d to %d\n", old, new);
-
-	if (new == dev->last_context) {
-		clear_bit(0, &dev->context_flag);
-		return 0;
-	}
-
-	return 0;
-}
-
-/*
- * Complete context switch.
- *
- * \param dev DRM device.
- * \param new new context handle.
- * \return zero on success or a negative number on failure.
- *
- * Updates drm_device::last_context and drm_device::last_switch. Verifies the
- * hardware lock is held, clears the drm_device::context_flag and wakes up
- * drm_device::context_wait.
- */
-static int drm_context_switch_complete(struct drm_device *dev,
-				       struct drm_file *file_priv, int new)
-{
-	dev->last_context = new;	/* PRE/POST: This is the _only_ writer. */
-
-	if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock)) {
-		DRM_ERROR("Lock isn't held after context switch\n");
-	}
-
-	/* If a context switch is ever initiated
-	   when the kernel holds the lock, release
-	   that lock here.
-	 */
-	clear_bit(0, &dev->context_flag);
-
-	return 0;
-}
-
-/*
- * Reserve contexts.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx_res structure.
- * \return zero on success or a negative number on failure.
- */
-int drm_legacy_resctx(struct drm_device *dev, void *data,
-		      struct drm_file *file_priv)
-{
-	struct drm_ctx_res *res = data;
-	struct drm_ctx ctx;
-	int i;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	if (res->count >= DRM_RESERVED_CONTEXTS) {
-		memset(&ctx, 0, sizeof(ctx));
-		for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) {
-			ctx.handle = i;
-			if (copy_to_user(&res->contexts[i], &ctx, sizeof(ctx)))
-				return -EFAULT;
-		}
-	}
-	res->count = DRM_RESERVED_CONTEXTS;
-
-	return 0;
-}
-
-/*
- * Add context.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx structure.
- * \return zero on success or a negative number on failure.
- *
- * Get a new handle for the context and copy to userspace.
- */
-int drm_legacy_addctx(struct drm_device *dev, void *data,
-		      struct drm_file *file_priv)
-{
-	struct drm_ctx_list *ctx_entry;
-	struct drm_ctx *ctx = data;
-	int tmp_handle;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	tmp_handle = drm_legacy_ctxbitmap_next(dev);
-	if (tmp_handle == DRM_KERNEL_CONTEXT) {
-		/* Skip kernel's context and get a new one. */
-		tmp_handle = drm_legacy_ctxbitmap_next(dev);
-	}
-	DRM_DEBUG("%d\n", tmp_handle);
-	if (tmp_handle < 0) {
-		DRM_DEBUG("Not enough free contexts.\n");
-		/* Should this return -EBUSY instead? */
-		return tmp_handle;
-	}
-
-	ctx->handle = tmp_handle;
-
-	ctx_entry = kmalloc(sizeof(*ctx_entry), GFP_KERNEL);
-	if (!ctx_entry) {
-		DRM_DEBUG("out of memory\n");
-		return -ENOMEM;
-	}
-
-	INIT_LIST_HEAD(&ctx_entry->head);
-	ctx_entry->handle = ctx->handle;
-	ctx_entry->tag = file_priv;
-
-	mutex_lock(&dev->ctxlist_mutex);
-	list_add(&ctx_entry->head, &dev->ctxlist);
-	mutex_unlock(&dev->ctxlist_mutex);
-
-	return 0;
-}
-
-/*
- * Get context.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx structure.
- * \return zero on success or a negative number on failure.
- */
-int drm_legacy_getctx(struct drm_device *dev, void *data,
-		      struct drm_file *file_priv)
-{
-	struct drm_ctx *ctx = data;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	/* This is 0, because we don't handle any context flags */
-	ctx->flags = 0;
-
-	return 0;
-}
-
-/*
- * Switch context.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx structure.
- * \return zero on success or a negative number on failure.
- *
- * Calls context_switch().
- */
-int drm_legacy_switchctx(struct drm_device *dev, void *data,
-			 struct drm_file *file_priv)
-{
-	struct drm_ctx *ctx = data;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	DRM_DEBUG("%d\n", ctx->handle);
-	return drm_context_switch(dev, dev->last_context, ctx->handle);
-}
-
-/*
- * New context.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx structure.
- * \return zero on success or a negative number on failure.
- *
- * Calls context_switch_complete().
- */
-int drm_legacy_newctx(struct drm_device *dev, void *data,
-		      struct drm_file *file_priv)
-{
-	struct drm_ctx *ctx = data;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	DRM_DEBUG("%d\n", ctx->handle);
-	drm_context_switch_complete(dev, file_priv, ctx->handle);
-
-	return 0;
-}
-
-/*
- * Remove context.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx structure.
- * \return zero on success or a negative number on failure.
- *
- * If not the special kernel context, calls ctxbitmap_free() to free the specified context.
- */
-int drm_legacy_rmctx(struct drm_device *dev, void *data,
-		     struct drm_file *file_priv)
-{
-	struct drm_ctx *ctx = data;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	DRM_DEBUG("%d\n", ctx->handle);
-	if (ctx->handle != DRM_KERNEL_CONTEXT) {
-		if (dev->driver->context_dtor)
-			dev->driver->context_dtor(dev, ctx->handle);
-		drm_legacy_ctxbitmap_free(dev, ctx->handle);
-	}
-
-	mutex_lock(&dev->ctxlist_mutex);
-	if (!list_empty(&dev->ctxlist)) {
-		struct drm_ctx_list *pos, *n;
-
-		list_for_each_entry_safe(pos, n, &dev->ctxlist, head) {
-			if (pos->handle == ctx->handle) {
-				list_del(&pos->head);
-				kfree(pos);
-			}
-		}
-	}
-	mutex_unlock(&dev->ctxlist_mutex);
-
-	return 0;
-}
-
-/*@}*/
diff --git a/drivers/gpu/drm/drm_dma.c b/drivers/gpu/drm/drm_dma.c
deleted file mode 100644
index eb6b741a6f99..000000000000
--- a/drivers/gpu/drm/drm_dma.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * \file drm_dma.c
- * DMA IOCTL and function support
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com
- *
- * Copyright 1999, 2000 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/export.h>
-#include <linux/pci.h>
-
-#include <drm/drm_drv.h>
-#include <drm/drm_print.h>
-
-#include "drm_legacy.h"
-
-/**
- * drm_legacy_dma_setup() - Initialize the DMA data.
- *
- * @dev: DRM device.
- * Return: zero on success or a negative value on failure.
- *
- * Allocate and initialize a drm_device_dma structure.
- */
-int drm_legacy_dma_setup(struct drm_device *dev)
-{
-	int i;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA) ||
-	    !drm_core_check_feature(dev, DRIVER_LEGACY))
-		return 0;
-
-	dev->buf_use = 0;
-	atomic_set(&dev->buf_alloc, 0);
-
-	dev->dma = kzalloc(sizeof(*dev->dma), GFP_KERNEL);
-	if (!dev->dma)
-		return -ENOMEM;
-
-	for (i = 0; i <= DRM_MAX_ORDER; i++)
-		memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0]));
-
-	return 0;
-}
-
-/**
- * drm_legacy_dma_takedown() - Cleanup the DMA resources.
- *
- * @dev: DRM device.
- *
- * Free all pages associated with DMA buffers, the buffers and pages lists, and
- * finally the drm_device::dma structure itself.
- */
-void drm_legacy_dma_takedown(struct drm_device *dev)
-{
-	struct drm_device_dma *dma = dev->dma;
-	drm_dma_handle_t *dmah;
-	int i, j;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA) ||
-	    !drm_core_check_feature(dev, DRIVER_LEGACY))
-		return;
-
-	if (!dma)
-		return;
-
-	/* Clear dma buffers */
-	for (i = 0; i <= DRM_MAX_ORDER; i++) {
-		if (dma->bufs[i].seg_count) {
-			DRM_DEBUG("order %d: buf_count = %d,"
-				  " seg_count = %d\n",
-				  i,
-				  dma->bufs[i].buf_count,
-				  dma->bufs[i].seg_count);
-			for (j = 0; j < dma->bufs[i].seg_count; j++) {
-				if (dma->bufs[i].seglist[j]) {
-					dmah = dma->bufs[i].seglist[j];
-					dma_free_coherent(dev->dev,
-							  dmah->size,
-							  dmah->vaddr,
-							  dmah->busaddr);
-					kfree(dmah);
-				}
-			}
-			kfree(dma->bufs[i].seglist);
-		}
-		if (dma->bufs[i].buf_count) {
-			for (j = 0; j < dma->bufs[i].buf_count; j++) {
-				kfree(dma->bufs[i].buflist[j].dev_private);
-			}
-			kfree(dma->bufs[i].buflist);
-		}
-	}
-
-	kfree(dma->buflist);
-	kfree(dma->pagelist);
-	kfree(dev->dma);
-	dev->dma = NULL;
-}
-
-/**
- * drm_legacy_free_buffer() - Free a buffer.
- *
- * @dev: DRM device.
- * @buf: buffer to free.
- *
- * Resets the fields of \p buf.
- */
-void drm_legacy_free_buffer(struct drm_device *dev, struct drm_buf * buf)
-{
-	if (!buf)
-		return;
-
-	buf->waiting = 0;
-	buf->pending = 0;
-	buf->file_priv = NULL;
-	buf->used = 0;
-}
-
-/**
- * drm_legacy_reclaim_buffers() - Reclaim the buffers.
- *
- * @dev: DRM device.
- * @file_priv: DRM file private.
- *
- * Frees each buffer associated with \p file_priv not already on the hardware.
- */
-void drm_legacy_reclaim_buffers(struct drm_device *dev,
-				struct drm_file *file_priv)
-{
-	struct drm_device_dma *dma = dev->dma;
-	int i;
-
-	if (!dma)
-		return;
-	for (i = 0; i < dma->buf_count; i++) {
-		if (dma->buflist[i]->file_priv == file_priv) {
-			switch (dma->buflist[i]->list) {
-			case DRM_LIST_NONE:
-				drm_legacy_free_buffer(dev, dma->buflist[i]);
-				break;
-			case DRM_LIST_WAIT:
-				dma->buflist[i]->list = DRM_LIST_RECLAIM;
-				break;
-			default:
-				/* Buffer already on hardware. */
-				break;
-			}
-		}
-	}
-}
diff --git a/drivers/gpu/drm/drm_hashtab.c b/drivers/gpu/drm/drm_hashtab.c
deleted file mode 100644
index 60afa1865559..000000000000
--- a/drivers/gpu/drm/drm_hashtab.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND. USA.
- * 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS 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.
- *
- *
- **************************************************************************/
-/*
- * Simple open hash tab implementation.
- *
- * Authors:
- * Thomas Hellström <thomas-at-tungstengraphics-dot-com>
- */
-
-#include <linux/hash.h>
-#include <linux/mm.h>
-#include <linux/rculist.h>
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-
-#include <drm/drm_print.h>
-
-#include "drm_legacy.h"
-
-int drm_ht_create(struct drm_open_hash *ht, unsigned int order)
-{
-	unsigned int size = 1 << order;
-
-	ht->order = order;
-	ht->table = NULL;
-	if (size <= PAGE_SIZE / sizeof(*ht->table))
-		ht->table = kcalloc(size, sizeof(*ht->table), GFP_KERNEL);
-	else
-		ht->table = vzalloc(array_size(size, sizeof(*ht->table)));
-	if (!ht->table) {
-		DRM_ERROR("Out of memory for hash table\n");
-		return -ENOMEM;
-	}
-	return 0;
-}
-
-void drm_ht_verbose_list(struct drm_open_hash *ht, unsigned long key)
-{
-	struct drm_hash_item *entry;
-	struct hlist_head *h_list;
-	unsigned int hashed_key;
-	int count = 0;
-
-	hashed_key = hash_long(key, ht->order);
-	DRM_DEBUG("Key is 0x%08lx, Hashed key is 0x%08x\n", key, hashed_key);
-	h_list = &ht->table[hashed_key];
-	hlist_for_each_entry(entry, h_list, head)
-		DRM_DEBUG("count %d, key: 0x%08lx\n", count++, entry->key);
-}
-
-static struct hlist_node *drm_ht_find_key(struct drm_open_hash *ht,
-					  unsigned long key)
-{
-	struct drm_hash_item *entry;
-	struct hlist_head *h_list;
-	unsigned int hashed_key;
-
-	hashed_key = hash_long(key, ht->order);
-	h_list = &ht->table[hashed_key];
-	hlist_for_each_entry(entry, h_list, head) {
-		if (entry->key == key)
-			return &entry->head;
-		if (entry->key > key)
-			break;
-	}
-	return NULL;
-}
-
-static struct hlist_node *drm_ht_find_key_rcu(struct drm_open_hash *ht,
-					      unsigned long key)
-{
-	struct drm_hash_item *entry;
-	struct hlist_head *h_list;
-	unsigned int hashed_key;
-
-	hashed_key = hash_long(key, ht->order);
-	h_list = &ht->table[hashed_key];
-	hlist_for_each_entry_rcu(entry, h_list, head) {
-		if (entry->key == key)
-			return &entry->head;
-		if (entry->key > key)
-			break;
-	}
-	return NULL;
-}
-
-int drm_ht_insert_item(struct drm_open_hash *ht, struct drm_hash_item *item)
-{
-	struct drm_hash_item *entry;
-	struct hlist_head *h_list;
-	struct hlist_node *parent;
-	unsigned int hashed_key;
-	unsigned long key = item->key;
-
-	hashed_key = hash_long(key, ht->order);
-	h_list = &ht->table[hashed_key];
-	parent = NULL;
-	hlist_for_each_entry(entry, h_list, head) {
-		if (entry->key == key)
-			return -EINVAL;
-		if (entry->key > key)
-			break;
-		parent = &entry->head;
-	}
-	if (parent) {
-		hlist_add_behind_rcu(&item->head, parent);
-	} else {
-		hlist_add_head_rcu(&item->head, h_list);
-	}
-	return 0;
-}
-
-/*
- * Just insert an item and return any "bits" bit key that hasn't been
- * used before.
- */
-int drm_ht_just_insert_please(struct drm_open_hash *ht, struct drm_hash_item *item,
-			      unsigned long seed, int bits, int shift,
-			      unsigned long add)
-{
-	int ret;
-	unsigned long mask = (1UL << bits) - 1;
-	unsigned long first, unshifted_key;
-
-	unshifted_key = hash_long(seed, bits);
-	first = unshifted_key;
-	do {
-		item->key = (unshifted_key << shift) + add;
-		ret = drm_ht_insert_item(ht, item);
-		if (ret)
-			unshifted_key = (unshifted_key + 1) & mask;
-	} while(ret && (unshifted_key != first));
-
-	if (ret) {
-		DRM_ERROR("Available key bit space exhausted\n");
-		return -EINVAL;
-	}
-	return 0;
-}
-
-int drm_ht_find_item(struct drm_open_hash *ht, unsigned long key,
-		     struct drm_hash_item **item)
-{
-	struct hlist_node *list;
-
-	list = drm_ht_find_key_rcu(ht, key);
-	if (!list)
-		return -EINVAL;
-
-	*item = hlist_entry(list, struct drm_hash_item, head);
-	return 0;
-}
-
-int drm_ht_remove_key(struct drm_open_hash *ht, unsigned long key)
-{
-	struct hlist_node *list;
-
-	list = drm_ht_find_key(ht, key);
-	if (list) {
-		hlist_del_init_rcu(list);
-		return 0;
-	}
-	return -EINVAL;
-}
-
-int drm_ht_remove_item(struct drm_open_hash *ht, struct drm_hash_item *item)
-{
-	hlist_del_init_rcu(&item->head);
-	return 0;
-}
-
-void drm_ht_remove(struct drm_open_hash *ht)
-{
-	if (ht->table) {
-		kvfree(ht->table);
-		ht->table = NULL;
-	}
-}
diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h
index fa08a313127e..8e4faf0a28e6 100644
--- a/drivers/gpu/drm/drm_internal.h
+++ b/drivers/gpu/drm/drm_internal.h
@@ -121,11 +121,6 @@ int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
 /* drm_irq.c */
 
 /* IOCTLS */
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-int drm_legacy_irq_control(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv);
-#endif
-
 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
 				struct drm_file *filp);
 
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
deleted file mode 100644
index d327638e15ee..000000000000
--- a/drivers/gpu/drm/drm_irq.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * drm_irq.c IRQ and vblank support
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- *
- * 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.
- */
-
-/*
- * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com
- *
- * Copyright 1999, 2000 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/export.h>
-#include <linux/interrupt.h>	/* For task queue support */
-#include <linux/pci.h>
-#include <linux/vgaarb.h>
-
-#include <drm/drm.h>
-#include <drm/drm_device.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_legacy.h>
-#include <drm/drm_print.h>
-#include <drm/drm_vblank.h>
-
-#include "drm_internal.h"
-
-static int drm_legacy_irq_install(struct drm_device *dev, int irq)
-{
-	int ret;
-	unsigned long sh_flags = 0;
-
-	if (irq == 0)
-		return -EINVAL;
-
-	if (dev->irq_enabled)
-		return -EBUSY;
-	dev->irq_enabled = true;
-
-	DRM_DEBUG("irq=%d\n", irq);
-
-	/* Before installing handler */
-	if (dev->driver->irq_preinstall)
-		dev->driver->irq_preinstall(dev);
-
-	/* PCI devices require shared interrupts. */
-	if (dev_is_pci(dev->dev))
-		sh_flags = IRQF_SHARED;
-
-	ret = request_irq(irq, dev->driver->irq_handler,
-			  sh_flags, dev->driver->name, dev);
-
-	if (ret < 0) {
-		dev->irq_enabled = false;
-		return ret;
-	}
-
-	/* After installing handler */
-	if (dev->driver->irq_postinstall)
-		ret = dev->driver->irq_postinstall(dev);
-
-	if (ret < 0) {
-		dev->irq_enabled = false;
-		if (drm_core_check_feature(dev, DRIVER_LEGACY))
-			vga_client_unregister(to_pci_dev(dev->dev));
-		free_irq(irq, dev);
-	} else {
-		dev->irq = irq;
-	}
-
-	return ret;
-}
-
-int drm_legacy_irq_uninstall(struct drm_device *dev)
-{
-	unsigned long irqflags;
-	bool irq_enabled;
-	int i;
-
-	irq_enabled = dev->irq_enabled;
-	dev->irq_enabled = false;
-
-	/*
-	 * Wake up any waiters so they don't hang. This is just to paper over
-	 * issues for UMS drivers which aren't in full control of their
-	 * vblank/irq handling. KMS drivers must ensure that vblanks are all
-	 * disabled when uninstalling the irq handler.
-	 */
-	if (drm_dev_has_vblank(dev)) {
-		spin_lock_irqsave(&dev->vbl_lock, irqflags);
-		for (i = 0; i < dev->num_crtcs; i++) {
-			struct drm_vblank_crtc *vblank = &dev->vblank[i];
-
-			if (!vblank->enabled)
-				continue;
-
-			WARN_ON(drm_core_check_feature(dev, DRIVER_MODESET));
-
-			drm_vblank_disable_and_save(dev, i);
-			wake_up(&vblank->queue);
-		}
-		spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
-	}
-
-	if (!irq_enabled)
-		return -EINVAL;
-
-	DRM_DEBUG("irq=%d\n", dev->irq);
-
-	if (drm_core_check_feature(dev, DRIVER_LEGACY))
-		vga_client_unregister(to_pci_dev(dev->dev));
-
-	if (dev->driver->irq_uninstall)
-		dev->driver->irq_uninstall(dev);
-
-	free_irq(dev->irq, dev);
-
-	return 0;
-}
-EXPORT_SYMBOL(drm_legacy_irq_uninstall);
-
-int drm_legacy_irq_control(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv)
-{
-	struct drm_control *ctl = data;
-	int ret = 0, irq;
-	struct pci_dev *pdev;
-
-	/* if we haven't irq we fallback for compatibility reasons -
-	 * this used to be a separate function in drm_dma.h
-	 */
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-		return 0;
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return 0;
-	/* UMS was only ever supported on pci devices. */
-	if (WARN_ON(!dev_is_pci(dev->dev)))
-		return -EINVAL;
-
-	switch (ctl->func) {
-	case DRM_INST_HANDLER:
-		pdev = to_pci_dev(dev->dev);
-		irq = pdev->irq;
-
-		if (dev->if_version < DRM_IF_VERSION(1, 2) &&
-		    ctl->irq != irq)
-			return -EINVAL;
-		mutex_lock(&dev->struct_mutex);
-		ret = drm_legacy_irq_install(dev, irq);
-		mutex_unlock(&dev->struct_mutex);
-
-		return ret;
-	case DRM_UNINST_HANDLER:
-		mutex_lock(&dev->struct_mutex);
-		ret = drm_legacy_irq_uninstall(dev);
-		mutex_unlock(&dev->struct_mutex);
-
-		return ret;
-	default:
-		return -EINVAL;
-	}
-}
diff --git a/drivers/gpu/drm/drm_legacy.h b/drivers/gpu/drm/drm_legacy.h
deleted file mode 100644
index 70c9dba114a6..000000000000
--- a/drivers/gpu/drm/drm_legacy.h
+++ /dev/null
@@ -1,290 +0,0 @@
-#ifndef __DRM_LEGACY_H__
-#define __DRM_LEGACY_H__
-
-/*
- * Copyright (c) 2014 David Herrmann <dh.herrmann@gmail.com>
- *
- * 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 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
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
- */
-
-/*
- * This file contains legacy interfaces that modern drm drivers
- * should no longer be using. They cannot be removed as legacy
- * drivers use them, and removing them are API breaks.
- */
-#include <linux/list.h>
-
-#include <drm/drm.h>
-#include <drm/drm_device.h>
-#include <drm/drm_legacy.h>
-
-struct agp_memory;
-struct drm_buf_desc;
-struct drm_device;
-struct drm_file;
-struct drm_hash_item;
-struct drm_open_hash;
-
-/*
- * Hash-table Support
- */
-
-#define drm_hash_entry(_ptr, _type, _member) container_of(_ptr, _type, _member)
-
-/* drm_hashtab.c */
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-int drm_ht_create(struct drm_open_hash *ht, unsigned int order);
-int drm_ht_insert_item(struct drm_open_hash *ht, struct drm_hash_item *item);
-int drm_ht_just_insert_please(struct drm_open_hash *ht, struct drm_hash_item *item,
-			      unsigned long seed, int bits, int shift,
-			      unsigned long add);
-int drm_ht_find_item(struct drm_open_hash *ht, unsigned long key, struct drm_hash_item **item);
-
-void drm_ht_verbose_list(struct drm_open_hash *ht, unsigned long key);
-int drm_ht_remove_key(struct drm_open_hash *ht, unsigned long key);
-int drm_ht_remove_item(struct drm_open_hash *ht, struct drm_hash_item *item);
-void drm_ht_remove(struct drm_open_hash *ht);
-#endif
-
-/*
- * RCU-safe interface
- *
- * The user of this API needs to make sure that two or more instances of the
- * hash table manipulation functions are never run simultaneously.
- * The lookup function drm_ht_find_item_rcu may, however, run simultaneously
- * with any of the manipulation functions as long as it's called from within
- * an RCU read-locked section.
- */
-#define drm_ht_insert_item_rcu drm_ht_insert_item
-#define drm_ht_just_insert_please_rcu drm_ht_just_insert_please
-#define drm_ht_remove_key_rcu drm_ht_remove_key
-#define drm_ht_remove_item_rcu drm_ht_remove_item
-#define drm_ht_find_item_rcu drm_ht_find_item
-
-/*
- * Generic DRM Contexts
- */
-
-#define DRM_KERNEL_CONTEXT		0
-#define DRM_RESERVED_CONTEXTS		1
-
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-void drm_legacy_ctxbitmap_init(struct drm_device *dev);
-void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev);
-void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file);
-#else
-static inline void drm_legacy_ctxbitmap_init(struct drm_device *dev) {}
-static inline void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev) {}
-static inline void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file) {}
-#endif
-
-void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
-
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f);
-int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f);
-int drm_legacy_getctx(struct drm_device *d, void *v, struct drm_file *f);
-int drm_legacy_switchctx(struct drm_device *d, void *v, struct drm_file *f);
-int drm_legacy_newctx(struct drm_device *d, void *v, struct drm_file *f);
-int drm_legacy_rmctx(struct drm_device *d, void *v, struct drm_file *f);
-
-int drm_legacy_setsareactx(struct drm_device *d, void *v, struct drm_file *f);
-int drm_legacy_getsareactx(struct drm_device *d, void *v, struct drm_file *f);
-#endif
-
-/*
- * Generic Buffer Management
- */
-
-#define DRM_MAP_HASH_OFFSET 0x10000000
-
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-static inline int drm_legacy_create_map_hash(struct drm_device *dev)
-{
-	return drm_ht_create(&dev->map_hash, 12);
-}
-
-static inline void drm_legacy_remove_map_hash(struct drm_device *dev)
-{
-	drm_ht_remove(&dev->map_hash);
-}
-#else
-static inline int drm_legacy_create_map_hash(struct drm_device *dev)
-{
-	return 0;
-}
-
-static inline void drm_legacy_remove_map_hash(struct drm_device *dev) {}
-#endif
-
-
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-int drm_legacy_getmap_ioctl(struct drm_device *dev, void *data,
-			    struct drm_file *file_priv);
-int drm_legacy_addmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
-int drm_legacy_rmmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
-
-int drm_legacy_addbufs(struct drm_device *d, void *v, struct drm_file *f);
-int drm_legacy_infobufs(struct drm_device *d, void *v, struct drm_file *f);
-int drm_legacy_markbufs(struct drm_device *d, void *v, struct drm_file *f);
-int drm_legacy_freebufs(struct drm_device *d, void *v, struct drm_file *f);
-int drm_legacy_mapbufs(struct drm_device *d, void *v, struct drm_file *f);
-int drm_legacy_dma_ioctl(struct drm_device *d, void *v, struct drm_file *f);
-#endif
-
-int __drm_legacy_infobufs(struct drm_device *, void *, int *,
-			  int (*)(void *, int, struct drm_buf_entry *));
-int __drm_legacy_mapbufs(struct drm_device *, void *, int *,
-			  void __user **,
-			  int (*)(void *, int, unsigned long, struct drm_buf *),
-			  struct drm_file *);
-
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-void drm_legacy_master_rmmaps(struct drm_device *dev,
-			      struct drm_master *master);
-void drm_legacy_rmmaps(struct drm_device *dev);
-#else
-static inline void drm_legacy_master_rmmaps(struct drm_device *dev,
-					    struct drm_master *master) {}
-static inline void drm_legacy_rmmaps(struct drm_device *dev) {}
-#endif
-
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-void drm_legacy_vma_flush(struct drm_device *d);
-#else
-static inline void drm_legacy_vma_flush(struct drm_device *d)
-{
-	/* do nothing */
-}
-#endif
-
-/*
- * AGP Support
- */
-
-struct drm_agp_mem {
-	unsigned long handle;
-	struct agp_memory *memory;
-	unsigned long bound;
-	int pages;
-	struct list_head head;
-};
-
-/* drm_agpsupport.c */
-#if IS_ENABLED(CONFIG_DRM_LEGACY) && IS_ENABLED(CONFIG_AGP)
-void drm_legacy_agp_clear(struct drm_device *dev);
-
-int drm_legacy_agp_acquire_ioctl(struct drm_device *dev, void *data,
-				 struct drm_file *file_priv);
-int drm_legacy_agp_release_ioctl(struct drm_device *dev, void *data,
-				 struct drm_file *file_priv);
-int drm_legacy_agp_enable_ioctl(struct drm_device *dev, void *data,
-				struct drm_file *file_priv);
-int drm_legacy_agp_info_ioctl(struct drm_device *dev, void *data,
-			      struct drm_file *file_priv);
-int drm_legacy_agp_alloc_ioctl(struct drm_device *dev, void *data,
-			       struct drm_file *file_priv);
-int drm_legacy_agp_free_ioctl(struct drm_device *dev, void *data,
-			      struct drm_file *file_priv);
-int drm_legacy_agp_unbind_ioctl(struct drm_device *dev, void *data,
-				struct drm_file *file_priv);
-int drm_legacy_agp_bind_ioctl(struct drm_device *dev, void *data,
-			      struct drm_file *file_priv);
-#else
-static inline void drm_legacy_agp_clear(struct drm_device *dev) {}
-#endif
-
-/* drm_lock.c */
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f);
-int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f);
-void drm_legacy_lock_release(struct drm_device *dev, struct file *filp);
-#else
-static inline void drm_legacy_lock_release(struct drm_device *dev, struct file *filp) {}
-#endif
-
-/* DMA support */
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-int drm_legacy_dma_setup(struct drm_device *dev);
-void drm_legacy_dma_takedown(struct drm_device *dev);
-#else
-static inline int drm_legacy_dma_setup(struct drm_device *dev)
-{
-	return 0;
-}
-#endif
-
-void drm_legacy_free_buffer(struct drm_device *dev,
-			    struct drm_buf * buf);
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-void drm_legacy_reclaim_buffers(struct drm_device *dev,
-				struct drm_file *filp);
-#else
-static inline void drm_legacy_reclaim_buffers(struct drm_device *dev,
-					      struct drm_file *filp) {}
-#endif
-
-/* Scatter Gather Support */
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-void drm_legacy_sg_cleanup(struct drm_device *dev);
-int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
-			struct drm_file *file_priv);
-int drm_legacy_sg_free(struct drm_device *dev, void *data,
-		       struct drm_file *file_priv);
-#endif
-
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-void drm_legacy_init_members(struct drm_device *dev);
-void drm_legacy_destroy_members(struct drm_device *dev);
-void drm_legacy_dev_reinit(struct drm_device *dev);
-int drm_legacy_setup(struct drm_device * dev);
-#else
-static inline void drm_legacy_init_members(struct drm_device *dev) {}
-static inline void drm_legacy_destroy_members(struct drm_device *dev) {}
-static inline void drm_legacy_dev_reinit(struct drm_device *dev) {}
-static inline int drm_legacy_setup(struct drm_device * dev) { return 0; }
-#endif
-
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master);
-#else
-static inline void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master) {}
-#endif
-
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-void drm_master_legacy_init(struct drm_master *master);
-#else
-static inline void drm_master_legacy_init(struct drm_master *master) {}
-#endif
-
-/* drm_pci.c */
-#if IS_ENABLED(CONFIG_DRM_LEGACY) && IS_ENABLED(CONFIG_PCI)
-int drm_legacy_irq_by_busid(struct drm_device *dev, void *data, struct drm_file *file_priv);
-void drm_legacy_pci_agp_destroy(struct drm_device *dev);
-#else
-static inline int drm_legacy_irq_by_busid(struct drm_device *dev, void *data,
-					  struct drm_file *file_priv)
-{
-	return -EINVAL;
-}
-
-static inline void drm_legacy_pci_agp_destroy(struct drm_device *dev) {}
-#endif
-
-#endif /* __DRM_LEGACY_H__ */
diff --git a/drivers/gpu/drm/drm_legacy_misc.c b/drivers/gpu/drm/drm_legacy_misc.c
deleted file mode 100644
index d4c5434062d7..000000000000
--- a/drivers/gpu/drm/drm_legacy_misc.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * \file drm_legacy_misc.c
- * Misc legacy support functions.
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Tue Feb  2 08:37:54 1999 by faith@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 <drm/drm_device.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_print.h>
-
-#include "drm_internal.h"
-#include "drm_legacy.h"
-
-void drm_legacy_init_members(struct drm_device *dev)
-{
-	INIT_LIST_HEAD(&dev->ctxlist);
-	INIT_LIST_HEAD(&dev->vmalist);
-	INIT_LIST_HEAD(&dev->maplist);
-	spin_lock_init(&dev->buf_lock);
-	mutex_init(&dev->ctxlist_mutex);
-}
-
-void drm_legacy_destroy_members(struct drm_device *dev)
-{
-	mutex_destroy(&dev->ctxlist_mutex);
-}
-
-int drm_legacy_setup(struct drm_device * dev)
-{
-	int ret;
-
-	if (dev->driver->firstopen &&
-	    drm_core_check_feature(dev, DRIVER_LEGACY)) {
-		ret = dev->driver->firstopen(dev);
-		if (ret != 0)
-			return ret;
-	}
-
-	ret = drm_legacy_dma_setup(dev);
-	if (ret < 0)
-		return ret;
-
-
-	DRM_DEBUG("\n");
-	return 0;
-}
-
-void drm_legacy_dev_reinit(struct drm_device *dev)
-{
-	if (dev->irq_enabled)
-		drm_legacy_irq_uninstall(dev);
-
-	mutex_lock(&dev->struct_mutex);
-
-	drm_legacy_agp_clear(dev);
-
-	drm_legacy_sg_cleanup(dev);
-	drm_legacy_vma_flush(dev);
-	drm_legacy_dma_takedown(dev);
-
-	mutex_unlock(&dev->struct_mutex);
-
-	dev->sigdata.lock = NULL;
-
-	dev->context_flag = 0;
-	dev->last_context = 0;
-	dev->if_version = 0;
-
-	DRM_DEBUG("lastclose completed\n");
-}
-
-void drm_master_legacy_init(struct drm_master *master)
-{
-	spin_lock_init(&master->lock.spinlock);
-	init_waitqueue_head(&master->lock.lock_queue);
-}
diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c
deleted file mode 100644
index 1efbd5389d89..000000000000
--- a/drivers/gpu/drm/drm_lock.c
+++ /dev/null
@@ -1,373 +0,0 @@
-/*
- * \file drm_lock.c
- * IOCTLs for locking
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Tue Feb  2 08:37:54 1999 by faith@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/export.h>
-#include <linux/sched/signal.h>
-
-#include <drm/drm.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_file.h>
-#include <drm/drm_print.h>
-
-#include "drm_internal.h"
-#include "drm_legacy.h"
-
-static int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context);
-
-/*
- * Take the heavyweight lock.
- *
- * \param lock lock pointer.
- * \param context locking context.
- * \return one if the lock is held, or zero otherwise.
- *
- * Attempt to mark the lock as held by the given context, via the \p cmpxchg instruction.
- */
-static
-int drm_lock_take(struct drm_lock_data *lock_data,
-		  unsigned int context)
-{
-	unsigned int old, new, prev;
-	volatile unsigned int *lock = &lock_data->hw_lock->lock;
-
-	spin_lock_bh(&lock_data->spinlock);
-	do {
-		old = *lock;
-		if (old & _DRM_LOCK_HELD)
-			new = old | _DRM_LOCK_CONT;
-		else {
-			new = context | _DRM_LOCK_HELD |
-				((lock_data->user_waiters + lock_data->kernel_waiters > 1) ?
-				 _DRM_LOCK_CONT : 0);
-		}
-		prev = cmpxchg(lock, old, new);
-	} while (prev != old);
-	spin_unlock_bh(&lock_data->spinlock);
-
-	if (_DRM_LOCKING_CONTEXT(old) == context) {
-		if (old & _DRM_LOCK_HELD) {
-			if (context != DRM_KERNEL_CONTEXT) {
-				DRM_ERROR("%d holds heavyweight lock\n",
-					  context);
-			}
-			return 0;
-		}
-	}
-
-	if ((_DRM_LOCKING_CONTEXT(new)) == context && (new & _DRM_LOCK_HELD)) {
-		/* Have lock */
-		return 1;
-	}
-	return 0;
-}
-
-/*
- * This takes a lock forcibly and hands it to context.	Should ONLY be used
- * inside *_unlock to give lock to kernel before calling *_dma_schedule.
- *
- * \param dev DRM device.
- * \param lock lock pointer.
- * \param context locking context.
- * \return always one.
- *
- * Resets the lock file pointer.
- * Marks the lock as held by the given context, via the \p cmpxchg instruction.
- */
-static int drm_lock_transfer(struct drm_lock_data *lock_data,
-			     unsigned int context)
-{
-	unsigned int old, new, prev;
-	volatile unsigned int *lock = &lock_data->hw_lock->lock;
-
-	lock_data->file_priv = NULL;
-	do {
-		old = *lock;
-		new = context | _DRM_LOCK_HELD;
-		prev = cmpxchg(lock, old, new);
-	} while (prev != old);
-	return 1;
-}
-
-static int drm_legacy_lock_free(struct drm_lock_data *lock_data,
-				unsigned int context)
-{
-	unsigned int old, new, prev;
-	volatile unsigned int *lock = &lock_data->hw_lock->lock;
-
-	spin_lock_bh(&lock_data->spinlock);
-	if (lock_data->kernel_waiters != 0) {
-		drm_lock_transfer(lock_data, 0);
-		lock_data->idle_has_lock = 1;
-		spin_unlock_bh(&lock_data->spinlock);
-		return 1;
-	}
-	spin_unlock_bh(&lock_data->spinlock);
-
-	do {
-		old = *lock;
-		new = _DRM_LOCKING_CONTEXT(old);
-		prev = cmpxchg(lock, old, new);
-	} while (prev != old);
-
-	if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) {
-		DRM_ERROR("%d freed heavyweight lock held by %d\n",
-			  context, _DRM_LOCKING_CONTEXT(old));
-		return 1;
-	}
-	wake_up_interruptible(&lock_data->lock_queue);
-	return 0;
-}
-
-/*
- * Lock ioctl.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_lock structure.
- * \return zero on success or negative number on failure.
- *
- * Add the current task to the lock wait queue, and attempt to take to lock.
- */
-int drm_legacy_lock(struct drm_device *dev, void *data,
-		    struct drm_file *file_priv)
-{
-	DECLARE_WAITQUEUE(entry, current);
-	struct drm_lock *lock = data;
-	struct drm_master *master = file_priv->master;
-	int ret = 0;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	++file_priv->lock_count;
-
-	if (lock->context == DRM_KERNEL_CONTEXT) {
-		DRM_ERROR("Process %d using kernel context %d\n",
-			  task_pid_nr(current), lock->context);
-		return -EINVAL;
-	}
-
-	DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
-		  lock->context, task_pid_nr(current),
-		  master->lock.hw_lock ? master->lock.hw_lock->lock : -1,
-		  lock->flags);
-
-	add_wait_queue(&master->lock.lock_queue, &entry);
-	spin_lock_bh(&master->lock.spinlock);
-	master->lock.user_waiters++;
-	spin_unlock_bh(&master->lock.spinlock);
-
-	for (;;) {
-		__set_current_state(TASK_INTERRUPTIBLE);
-		if (!master->lock.hw_lock) {
-			/* Device has been unregistered */
-			send_sig(SIGTERM, current, 0);
-			ret = -EINTR;
-			break;
-		}
-		if (drm_lock_take(&master->lock, lock->context)) {
-			master->lock.file_priv = file_priv;
-			master->lock.lock_time = jiffies;
-			break;	/* Got lock */
-		}
-
-		/* Contention */
-		mutex_unlock(&drm_global_mutex);
-		schedule();
-		mutex_lock(&drm_global_mutex);
-		if (signal_pending(current)) {
-			ret = -EINTR;
-			break;
-		}
-	}
-	spin_lock_bh(&master->lock.spinlock);
-	master->lock.user_waiters--;
-	spin_unlock_bh(&master->lock.spinlock);
-	__set_current_state(TASK_RUNNING);
-	remove_wait_queue(&master->lock.lock_queue, &entry);
-
-	DRM_DEBUG("%d %s\n", lock->context,
-		  ret ? "interrupted" : "has lock");
-	if (ret) return ret;
-
-	/* don't set the block all signals on the master process for now 
-	 * really probably not the correct answer but lets us debug xkb
- 	 * xserver for now */
-	if (!drm_is_current_master(file_priv)) {
-		dev->sigdata.context = lock->context;
-		dev->sigdata.lock = master->lock.hw_lock;
-	}
-
-	if (dev->driver->dma_quiescent && (lock->flags & _DRM_LOCK_QUIESCENT))
-	{
-		if (dev->driver->dma_quiescent(dev)) {
-			DRM_DEBUG("%d waiting for DMA quiescent\n",
-				  lock->context);
-			return -EBUSY;
-		}
-	}
-
-	return 0;
-}
-
-/*
- * Unlock ioctl.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_lock structure.
- * \return zero on success or negative number on failure.
- *
- * Transfer and free the lock.
- */
-int drm_legacy_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	struct drm_lock *lock = data;
-	struct drm_master *master = file_priv->master;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	if (lock->context == DRM_KERNEL_CONTEXT) {
-		DRM_ERROR("Process %d using kernel context %d\n",
-			  task_pid_nr(current), lock->context);
-		return -EINVAL;
-	}
-
-	if (drm_legacy_lock_free(&master->lock, lock->context)) {
-		/* FIXME: Should really bail out here. */
-	}
-
-	return 0;
-}
-
-/*
- * This function returns immediately and takes the hw lock
- * with the kernel context if it is free, otherwise it gets the highest priority when and if
- * it is eventually released.
- *
- * This guarantees that the kernel will _eventually_ have the lock _unless_ it is held
- * by a blocked process. (In the latter case an explicit wait for the hardware lock would cause
- * a deadlock, which is why the "idlelock" was invented).
- *
- * This should be sufficient to wait for GPU idle without
- * having to worry about starvation.
- */
-void drm_legacy_idlelock_take(struct drm_lock_data *lock_data)
-{
-	int ret;
-
-	spin_lock_bh(&lock_data->spinlock);
-	lock_data->kernel_waiters++;
-	if (!lock_data->idle_has_lock) {
-
-		spin_unlock_bh(&lock_data->spinlock);
-		ret = drm_lock_take(lock_data, DRM_KERNEL_CONTEXT);
-		spin_lock_bh(&lock_data->spinlock);
-
-		if (ret == 1)
-			lock_data->idle_has_lock = 1;
-	}
-	spin_unlock_bh(&lock_data->spinlock);
-}
-EXPORT_SYMBOL(drm_legacy_idlelock_take);
-
-void drm_legacy_idlelock_release(struct drm_lock_data *lock_data)
-{
-	unsigned int old, prev;
-	volatile unsigned int *lock = &lock_data->hw_lock->lock;
-
-	spin_lock_bh(&lock_data->spinlock);
-	if (--lock_data->kernel_waiters == 0) {
-		if (lock_data->idle_has_lock) {
-			do {
-				old = *lock;
-				prev = cmpxchg(lock, old, DRM_KERNEL_CONTEXT);
-			} while (prev != old);
-			wake_up_interruptible(&lock_data->lock_queue);
-			lock_data->idle_has_lock = 0;
-		}
-	}
-	spin_unlock_bh(&lock_data->spinlock);
-}
-EXPORT_SYMBOL(drm_legacy_idlelock_release);
-
-static int drm_legacy_i_have_hw_lock(struct drm_device *dev,
-				     struct drm_file *file_priv)
-{
-	struct drm_master *master = file_priv->master;
-
-	return (file_priv->lock_count && master->lock.hw_lock &&
-		_DRM_LOCK_IS_HELD(master->lock.hw_lock->lock) &&
-		master->lock.file_priv == file_priv);
-}
-
-void drm_legacy_lock_release(struct drm_device *dev, struct file *filp)
-{
-	struct drm_file *file_priv = filp->private_data;
-
-	/* if the master has gone away we can't do anything with the lock */
-	if (!dev->master)
-		return;
-
-	if (drm_legacy_i_have_hw_lock(dev, file_priv)) {
-		DRM_DEBUG("File %p released, freeing lock for context %d\n",
-			  filp, _DRM_LOCKING_CONTEXT(file_priv->master->lock.hw_lock->lock));
-		drm_legacy_lock_free(&file_priv->master->lock,
-				     _DRM_LOCKING_CONTEXT(file_priv->master->lock.hw_lock->lock));
-	}
-}
-
-void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master)
-{
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return;
-
-	/*
-	 * Since the master is disappearing, so is the
-	 * possibility to lock.
-	 */
-	mutex_lock(&dev->struct_mutex);
-	if (master->lock.hw_lock) {
-		if (dev->sigdata.lock == master->lock.hw_lock)
-			dev->sigdata.lock = NULL;
-		master->lock.hw_lock = NULL;
-		master->lock.file_priv = NULL;
-		wake_up_interruptible_all(&master->lock.lock_queue);
-	}
-	mutex_unlock(&dev->struct_mutex);
-}
diff --git a/drivers/gpu/drm/drm_memory.c b/drivers/gpu/drm/drm_memory.c
deleted file mode 100644
index d2e1dccd8113..000000000000
--- a/drivers/gpu/drm/drm_memory.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * \file drm_memory.c
- * Memory management wrappers for DRM
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Thu Feb  4 14:00:34 1999 by faith@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/export.h>
-#include <linux/highmem.h>
-#include <linux/pci.h>
-#include <linux/vmalloc.h>
-
-#include <drm/drm_cache.h>
-#include <drm/drm_device.h>
-
-#include "drm_legacy.h"
-
-#if IS_ENABLED(CONFIG_AGP)
-
-#ifdef HAVE_PAGE_AGP
-# include <asm/agp.h>
-#else
-# ifdef __powerpc__
-#  define PAGE_AGP	pgprot_noncached_wc(PAGE_KERNEL)
-# else
-#  define PAGE_AGP	PAGE_KERNEL
-# endif
-#endif
-
-static void *agp_remap(unsigned long offset, unsigned long size,
-		       struct drm_device *dev)
-{
-	unsigned long i, num_pages =
-	    PAGE_ALIGN(size) / PAGE_SIZE;
-	struct drm_agp_mem *agpmem;
-	struct page **page_map;
-	struct page **phys_page_map;
-	void *addr;
-
-	size = PAGE_ALIGN(size);
-
-#ifdef __alpha__
-	offset -= dev->hose->mem_space->start;
-#endif
-
-	list_for_each_entry(agpmem, &dev->agp->memory, head)
-		if (agpmem->bound <= offset
-		    && (agpmem->bound + (agpmem->pages << PAGE_SHIFT)) >=
-		    (offset + size))
-			break;
-	if (&agpmem->head == &dev->agp->memory)
-		return NULL;
-
-	/*
-	 * OK, we're mapping AGP space on a chipset/platform on which memory accesses by
-	 * the CPU do not get remapped by the GART.  We fix this by using the kernel's
-	 * page-table instead (that's probably faster anyhow...).
-	 */
-	/* note: use vmalloc() because num_pages could be large... */
-	page_map = vmalloc(array_size(num_pages, sizeof(struct page *)));
-	if (!page_map)
-		return NULL;
-
-	phys_page_map = (agpmem->memory->pages + (offset - agpmem->bound) / PAGE_SIZE);
-	for (i = 0; i < num_pages; ++i)
-		page_map[i] = phys_page_map[i];
-	addr = vmap(page_map, num_pages, VM_IOREMAP, PAGE_AGP);
-	vfree(page_map);
-
-	return addr;
-}
-
-#else /*  CONFIG_AGP  */
-static inline void *agp_remap(unsigned long offset, unsigned long size,
-			      struct drm_device *dev)
-{
-	return NULL;
-}
-
-#endif /* CONFIG_AGP */
-
-void drm_legacy_ioremap(struct drm_local_map *map, struct drm_device *dev)
-{
-	if (dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
-		map->handle = agp_remap(map->offset, map->size, dev);
-	else
-		map->handle = ioremap(map->offset, map->size);
-}
-EXPORT_SYMBOL(drm_legacy_ioremap);
-
-void drm_legacy_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
-{
-	if (dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
-		map->handle = agp_remap(map->offset, map->size, dev);
-	else
-		map->handle = ioremap_wc(map->offset, map->size);
-}
-EXPORT_SYMBOL(drm_legacy_ioremap_wc);
-
-void drm_legacy_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
-{
-	if (!map->handle || !map->size)
-		return;
-
-	if (dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
-		vunmap(map->handle);
-	else
-		iounmap(map->handle);
-}
-EXPORT_SYMBOL(drm_legacy_ioremapfree);
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
index 67907dd42721..c585f1e8803e 100644
--- a/drivers/gpu/drm/drm_pci.c
+++ b/drivers/gpu/drm/drm_pci.c
@@ -35,13 +35,6 @@
 #include <drm/drm_print.h>
 
 #include "drm_internal.h"
-#include "drm_legacy.h"
-
-#ifdef CONFIG_DRM_LEGACY
-/* List of devices hanging off drivers with stealth attach. */
-static LIST_HEAD(legacy_dev_list);
-static DEFINE_MUTEX(legacy_dev_list_lock);
-#endif
 
 static int drm_get_pci_domain(struct drm_device *dev)
 {
@@ -72,199 +65,3 @@ int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master)
 	master->unique_len = strlen(master->unique);
 	return 0;
 }
-
-#ifdef CONFIG_DRM_LEGACY
-
-static int drm_legacy_pci_irq_by_busid(struct drm_device *dev, struct drm_irq_busid *p)
-{
-	struct pci_dev *pdev = to_pci_dev(dev->dev);
-
-	if ((p->busnum >> 8) != drm_get_pci_domain(dev) ||
-	    (p->busnum & 0xff) != pdev->bus->number ||
-	    p->devnum != PCI_SLOT(pdev->devfn) || p->funcnum != PCI_FUNC(pdev->devfn))
-		return -EINVAL;
-
-	p->irq = pdev->irq;
-
-	DRM_DEBUG("%d:%d:%d => IRQ %d\n", p->busnum, p->devnum, p->funcnum,
-		  p->irq);
-	return 0;
-}
-
-/**
- * drm_legacy_irq_by_busid - Get interrupt from bus ID
- * @dev: DRM device
- * @data: IOCTL parameter pointing to a drm_irq_busid structure
- * @file_priv: DRM file private.
- *
- * Finds the PCI device with the specified bus id and gets its IRQ number.
- * This IOCTL is deprecated, and will now return EINVAL for any busid not equal
- * to that of the device that this DRM instance attached to.
- *
- * Return: 0 on success or a negative error code on failure.
- */
-int drm_legacy_irq_by_busid(struct drm_device *dev, void *data,
-			    struct drm_file *file_priv)
-{
-	struct drm_irq_busid *p = data;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	/* UMS was only ever support on PCI devices. */
-	if (WARN_ON(!dev_is_pci(dev->dev)))
-		return -EINVAL;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-		return -EOPNOTSUPP;
-
-	return drm_legacy_pci_irq_by_busid(dev, p);
-}
-
-void drm_legacy_pci_agp_destroy(struct drm_device *dev)
-{
-	if (dev->agp) {
-		arch_phys_wc_del(dev->agp->agp_mtrr);
-		drm_legacy_agp_clear(dev);
-		kfree(dev->agp);
-		dev->agp = NULL;
-	}
-}
-
-static void drm_legacy_pci_agp_init(struct drm_device *dev)
-{
-	if (drm_core_check_feature(dev, DRIVER_USE_AGP)) {
-		if (pci_find_capability(to_pci_dev(dev->dev), PCI_CAP_ID_AGP))
-			dev->agp = drm_legacy_agp_init(dev);
-		if (dev->agp) {
-			dev->agp->agp_mtrr = arch_phys_wc_add(
-				dev->agp->agp_info.aper_base,
-				dev->agp->agp_info.aper_size *
-				1024 * 1024);
-		}
-	}
-}
-
-static int drm_legacy_get_pci_dev(struct pci_dev *pdev,
-				  const struct pci_device_id *ent,
-				  const struct drm_driver *driver)
-{
-	struct drm_device *dev;
-	int ret;
-
-	DRM_DEBUG("\n");
-
-	dev = drm_dev_alloc(driver, &pdev->dev);
-	if (IS_ERR(dev))
-		return PTR_ERR(dev);
-
-	ret = pci_enable_device(pdev);
-	if (ret)
-		goto err_free;
-
-#ifdef __alpha__
-	dev->hose = pdev->sysdata;
-#endif
-
-	drm_legacy_pci_agp_init(dev);
-
-	ret = drm_dev_register(dev, ent->driver_data);
-	if (ret)
-		goto err_agp;
-
-	if (drm_core_check_feature(dev, DRIVER_LEGACY)) {
-		mutex_lock(&legacy_dev_list_lock);
-		list_add_tail(&dev->legacy_dev_list, &legacy_dev_list);
-		mutex_unlock(&legacy_dev_list_lock);
-	}
-
-	return 0;
-
-err_agp:
-	drm_legacy_pci_agp_destroy(dev);
-	pci_disable_device(pdev);
-err_free:
-	drm_dev_put(dev);
-	return ret;
-}
-
-/**
- * drm_legacy_pci_init - shadow-attach a legacy DRM PCI driver
- * @driver: DRM device driver
- * @pdriver: PCI device driver
- *
- * This is only used by legacy dri1 drivers and deprecated.
- *
- * Return: 0 on success or a negative error code on failure.
- */
-int drm_legacy_pci_init(const struct drm_driver *driver,
-			struct pci_driver *pdriver)
-{
-	struct pci_dev *pdev = NULL;
-	const struct pci_device_id *pid;
-	int i;
-
-	DRM_DEBUG("\n");
-
-	if (WARN_ON(!(driver->driver_features & DRIVER_LEGACY)))
-		return -EINVAL;
-
-	/* If not using KMS, fall back to stealth mode manual scanning. */
-	for (i = 0; pdriver->id_table[i].vendor != 0; i++) {
-		pid = &pdriver->id_table[i];
-
-		/* Loop around setting up a DRM device for each PCI device
-		 * matching our ID and device class.  If we had the internal
-		 * function that pci_get_subsys and pci_get_class used, we'd
-		 * be able to just pass pid in instead of doing a two-stage
-		 * thing.
-		 */
-		pdev = NULL;
-		while ((pdev =
-			pci_get_subsys(pid->vendor, pid->device, pid->subvendor,
-				       pid->subdevice, pdev)) != NULL) {
-			if ((pdev->class & pid->class_mask) != pid->class)
-				continue;
-
-			/* stealth mode requires a manual probe */
-			pci_dev_get(pdev);
-			drm_legacy_get_pci_dev(pdev, pid, driver);
-		}
-	}
-	return 0;
-}
-EXPORT_SYMBOL(drm_legacy_pci_init);
-
-/**
- * drm_legacy_pci_exit - unregister shadow-attach legacy DRM driver
- * @driver: DRM device driver
- * @pdriver: PCI device driver
- *
- * Unregister a DRM driver shadow-attached through drm_legacy_pci_init(). This
- * is deprecated and only used by dri1 drivers.
- */
-void drm_legacy_pci_exit(const struct drm_driver *driver,
-			 struct pci_driver *pdriver)
-{
-	struct drm_device *dev, *tmp;
-
-	DRM_DEBUG("\n");
-
-	if (!(driver->driver_features & DRIVER_LEGACY)) {
-		WARN_ON(1);
-	} else {
-		mutex_lock(&legacy_dev_list_lock);
-		list_for_each_entry_safe(dev, tmp, &legacy_dev_list,
-					 legacy_dev_list) {
-			if (dev->driver == driver) {
-				list_del(&dev->legacy_dev_list);
-				drm_put_dev(dev);
-			}
-		}
-		mutex_unlock(&legacy_dev_list_lock);
-	}
-	DRM_INFO("Module unloaded\n");
-}
-EXPORT_SYMBOL(drm_legacy_pci_exit);
-
-#endif
diff --git a/drivers/gpu/drm/drm_scatter.c b/drivers/gpu/drm/drm_scatter.c
deleted file mode 100644
index f4e6184d1877..000000000000
--- a/drivers/gpu/drm/drm_scatter.c
+++ /dev/null
@@ -1,220 +0,0 @@
-/*
- * \file drm_scatter.c
- * IOCTLs to manage scatter/gather memory
- *
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Mon Dec 18 23:20:54 2000 by gareth@valinux.com
- *
- * 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/mm.h>
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-
-#include <drm/drm.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_print.h>
-
-#include "drm_legacy.h"
-
-#define DEBUG_SCATTER 0
-
-static void drm_sg_cleanup(struct drm_sg_mem * entry)
-{
-	struct page *page;
-	int i;
-
-	for (i = 0; i < entry->pages; i++) {
-		page = entry->pagelist[i];
-		if (page)
-			ClearPageReserved(page);
-	}
-
-	vfree(entry->virtual);
-
-	kfree(entry->busaddr);
-	kfree(entry->pagelist);
-	kfree(entry);
-}
-
-void drm_legacy_sg_cleanup(struct drm_device *dev)
-{
-	if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg &&
-	    drm_core_check_feature(dev, DRIVER_LEGACY)) {
-		drm_sg_cleanup(dev->sg);
-		dev->sg = NULL;
-	}
-}
-#ifdef _LP64
-# define ScatterHandle(x) (unsigned int)((x >> 32) + (x & ((1L << 32) - 1)))
-#else
-# define ScatterHandle(x) (unsigned int)(x)
-#endif
-
-int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	struct drm_scatter_gather *request = data;
-	struct drm_sg_mem *entry;
-	unsigned long pages, i, j;
-
-	DRM_DEBUG("\n");
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	if (!drm_core_check_feature(dev, DRIVER_SG))
-		return -EOPNOTSUPP;
-
-	if (request->size > SIZE_MAX - PAGE_SIZE)
-		return -EINVAL;
-
-	if (dev->sg)
-		return -EINVAL;
-
-	entry = kzalloc(sizeof(*entry), GFP_KERNEL);
-	if (!entry)
-		return -ENOMEM;
-
-	pages = (request->size + PAGE_SIZE - 1) / PAGE_SIZE;
-	DRM_DEBUG("size=%ld pages=%ld\n", request->size, pages);
-
-	entry->pages = pages;
-	entry->pagelist = kcalloc(pages, sizeof(*entry->pagelist), GFP_KERNEL);
-	if (!entry->pagelist) {
-		kfree(entry);
-		return -ENOMEM;
-	}
-
-	entry->busaddr = kcalloc(pages, sizeof(*entry->busaddr), GFP_KERNEL);
-	if (!entry->busaddr) {
-		kfree(entry->pagelist);
-		kfree(entry);
-		return -ENOMEM;
-	}
-
-	entry->virtual = vmalloc_32(pages << PAGE_SHIFT);
-	if (!entry->virtual) {
-		kfree(entry->busaddr);
-		kfree(entry->pagelist);
-		kfree(entry);
-		return -ENOMEM;
-	}
-
-	/* This also forces the mapping of COW pages, so our page list
-	 * will be valid.  Please don't remove it...
-	 */
-	memset(entry->virtual, 0, pages << PAGE_SHIFT);
-
-	entry->handle = ScatterHandle((unsigned long)entry->virtual);
-
-	DRM_DEBUG("handle  = %08lx\n", entry->handle);
-	DRM_DEBUG("virtual = %p\n", entry->virtual);
-
-	for (i = (unsigned long)entry->virtual, j = 0; j < pages;
-	     i += PAGE_SIZE, j++) {
-		entry->pagelist[j] = vmalloc_to_page((void *)i);
-		if (!entry->pagelist[j])
-			goto failed;
-		SetPageReserved(entry->pagelist[j]);
-	}
-
-	request->handle = entry->handle;
-
-	dev->sg = entry;
-
-#if DEBUG_SCATTER
-	/* Verify that each page points to its virtual address, and vice
-	 * versa.
-	 */
-	{
-		int error = 0;
-
-		for (i = 0; i < pages; i++) {
-			unsigned long *tmp;
-
-			tmp = page_address(entry->pagelist[i]);
-			for (j = 0;
-			     j < PAGE_SIZE / sizeof(unsigned long);
-			     j++, tmp++) {
-				*tmp = 0xcafebabe;
-			}
-			tmp = (unsigned long *)((u8 *) entry->virtual +
-						(PAGE_SIZE * i));
-			for (j = 0;
-			     j < PAGE_SIZE / sizeof(unsigned long);
-			     j++, tmp++) {
-				if (*tmp != 0xcafebabe && error == 0) {
-					error = 1;
-					DRM_ERROR("Scatter allocation error, "
-						  "pagelist does not match "
-						  "virtual mapping\n");
-				}
-			}
-			tmp = page_address(entry->pagelist[i]);
-			for (j = 0;
-			     j < PAGE_SIZE / sizeof(unsigned long);
-			     j++, tmp++) {
-				*tmp = 0;
-			}
-		}
-		if (error == 0)
-			DRM_ERROR("Scatter allocation matches pagelist\n");
-	}
-#endif
-
-	return 0;
-
-      failed:
-	drm_sg_cleanup(entry);
-	return -ENOMEM;
-}
-
-int drm_legacy_sg_free(struct drm_device *dev, void *data,
-		       struct drm_file *file_priv)
-{
-	struct drm_scatter_gather *request = data;
-	struct drm_sg_mem *entry;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	if (!drm_core_check_feature(dev, DRIVER_SG))
-		return -EOPNOTSUPP;
-
-	entry = dev->sg;
-	dev->sg = NULL;
-
-	if (!entry || entry->handle != request->handle)
-		return -EINVAL;
-
-	DRM_DEBUG("virtual  = %p\n", entry->virtual);
-
-	drm_sg_cleanup(entry);
-
-	return 0;
-}
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
deleted file mode 100644
index 87c9fe55dec7..000000000000
--- a/drivers/gpu/drm/drm_vm.c
+++ /dev/null
@@ -1,665 +0,0 @@
-/*
- * \file drm_vm.c
- * Memory mapping for DRM
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Mon Jan  4 08:58:31 1999 by faith@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/export.h>
-#include <linux/pci.h>
-#include <linux/seq_file.h>
-#include <linux/vmalloc.h>
-#include <linux/pgtable.h>
-
-#if defined(__ia64__)
-#include <linux/efi.h>
-#include <linux/slab.h>
-#endif
-#include <linux/mem_encrypt.h>
-
-#include <drm/drm_device.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_file.h>
-#include <drm/drm_framebuffer.h>
-#include <drm/drm_print.h>
-
-#include "drm_internal.h"
-#include "drm_legacy.h"
-
-struct drm_vma_entry {
-	struct list_head head;
-	struct vm_area_struct *vma;
-	pid_t pid;
-};
-
-static void drm_vm_open(struct vm_area_struct *vma);
-static void drm_vm_close(struct vm_area_struct *vma);
-
-static pgprot_t drm_io_prot(struct drm_local_map *map,
-			    struct vm_area_struct *vma)
-{
-	pgprot_t tmp = vm_get_page_prot(vma->vm_flags);
-
-#if defined(__i386__) || defined(__x86_64__) || defined(__powerpc__) || \
-    defined(__mips__) || defined(__loongarch__)
-	if (map->type == _DRM_REGISTERS && !(map->flags & _DRM_WRITE_COMBINING))
-		tmp = pgprot_noncached(tmp);
-	else
-		tmp = pgprot_writecombine(tmp);
-#elif defined(__ia64__)
-	if (efi_range_is_wc(vma->vm_start, vma->vm_end -
-				    vma->vm_start))
-		tmp = pgprot_writecombine(tmp);
-	else
-		tmp = pgprot_noncached(tmp);
-#elif defined(__sparc__) || defined(__arm__)
-	tmp = pgprot_noncached(tmp);
-#endif
-	return tmp;
-}
-
-static pgprot_t drm_dma_prot(uint32_t map_type, struct vm_area_struct *vma)
-{
-	pgprot_t tmp = vm_get_page_prot(vma->vm_flags);
-
-#if defined(__powerpc__) && defined(CONFIG_NOT_COHERENT_CACHE)
-	tmp = pgprot_noncached_wc(tmp);
-#endif
-	return tmp;
-}
-
-/*
- * \c fault method for AGP virtual memory.
- *
- * \param vma virtual memory area.
- * \param address access address.
- * \return pointer to the page structure.
- *
- * Find the right map and if it's AGP memory find the real physical page to
- * map, get the page, increment the use count and return it.
- */
-#if IS_ENABLED(CONFIG_AGP)
-static vm_fault_t drm_vm_fault(struct vm_fault *vmf)
-{
-	struct vm_area_struct *vma = vmf->vma;
-	struct drm_file *priv = vma->vm_file->private_data;
-	struct drm_device *dev = priv->minor->dev;
-	struct drm_local_map *map = NULL;
-	struct drm_map_list *r_list;
-	struct drm_hash_item *hash;
-
-	/*
-	 * Find the right map
-	 */
-	if (!dev->agp)
-		goto vm_fault_error;
-
-	if (!dev->agp || !dev->agp->cant_use_aperture)
-		goto vm_fault_error;
-
-	if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff, &hash))
-		goto vm_fault_error;
-
-	r_list = drm_hash_entry(hash, struct drm_map_list, hash);
-	map = r_list->map;
-
-	if (map && map->type == _DRM_AGP) {
-		/*
-		 * Using vm_pgoff as a selector forces us to use this unusual
-		 * addressing scheme.
-		 */
-		resource_size_t offset = vmf->address - vma->vm_start;
-		resource_size_t baddr = map->offset + offset;
-		struct drm_agp_mem *agpmem;
-		struct page *page;
-
-#ifdef __alpha__
-		/*
-		 * Adjust to a bus-relative address
-		 */
-		baddr -= dev->hose->mem_space->start;
-#endif
-
-		/*
-		 * It's AGP memory - find the real physical page to map
-		 */
-		list_for_each_entry(agpmem, &dev->agp->memory, head) {
-			if (agpmem->bound <= baddr &&
-			    agpmem->bound + agpmem->pages * PAGE_SIZE > baddr)
-				break;
-		}
-
-		if (&agpmem->head == &dev->agp->memory)
-			goto vm_fault_error;
-
-		/*
-		 * Get the page, inc the use count, and return it
-		 */
-		offset = (baddr - agpmem->bound) >> PAGE_SHIFT;
-		page = agpmem->memory->pages[offset];
-		get_page(page);
-		vmf->page = page;
-
-		DRM_DEBUG
-		    ("baddr = 0x%llx page = 0x%p, offset = 0x%llx, count=%d\n",
-		     (unsigned long long)baddr,
-		     agpmem->memory->pages[offset],
-		     (unsigned long long)offset,
-		     page_count(page));
-		return 0;
-	}
-vm_fault_error:
-	return VM_FAULT_SIGBUS;	/* Disallow mremap */
-}
-#else
-static vm_fault_t drm_vm_fault(struct vm_fault *vmf)
-{
-	return VM_FAULT_SIGBUS;
-}
-#endif
-
-/*
- * \c nopage method for shared virtual memory.
- *
- * \param vma virtual memory area.
- * \param address access address.
- * \return pointer to the page structure.
- *
- * Get the mapping, find the real physical page to map, get the page, and
- * return it.
- */
-static vm_fault_t drm_vm_shm_fault(struct vm_fault *vmf)
-{
-	struct vm_area_struct *vma = vmf->vma;
-	struct drm_local_map *map = vma->vm_private_data;
-	unsigned long offset;
-	unsigned long i;
-	struct page *page;
-
-	if (!map)
-		return VM_FAULT_SIGBUS;	/* Nothing allocated */
-
-	offset = vmf->address - vma->vm_start;
-	i = (unsigned long)map->handle + offset;
-	page = vmalloc_to_page((void *)i);
-	if (!page)
-		return VM_FAULT_SIGBUS;
-	get_page(page);
-	vmf->page = page;
-
-	DRM_DEBUG("shm_fault 0x%lx\n", offset);
-	return 0;
-}
-
-/*
- * \c close method for shared virtual memory.
- *
- * \param vma virtual memory area.
- *
- * Deletes map information if we are the last
- * person to close a mapping and it's not in the global maplist.
- */
-static void drm_vm_shm_close(struct vm_area_struct *vma)
-{
-	struct drm_file *priv = vma->vm_file->private_data;
-	struct drm_device *dev = priv->minor->dev;
-	struct drm_vma_entry *pt, *temp;
-	struct drm_local_map *map;
-	struct drm_map_list *r_list;
-	int found_maps = 0;
-
-	DRM_DEBUG("0x%08lx,0x%08lx\n",
-		  vma->vm_start, vma->vm_end - vma->vm_start);
-
-	map = vma->vm_private_data;
-
-	mutex_lock(&dev->struct_mutex);
-	list_for_each_entry_safe(pt, temp, &dev->vmalist, head) {
-		if (pt->vma->vm_private_data == map)
-			found_maps++;
-		if (pt->vma == vma) {
-			list_del(&pt->head);
-			kfree(pt);
-		}
-	}
-
-	/* We were the only map that was found */
-	if (found_maps == 1 && map->flags & _DRM_REMOVABLE) {
-		/* Check to see if we are in the maplist, if we are not, then
-		 * we delete this mappings information.
-		 */
-		found_maps = 0;
-		list_for_each_entry(r_list, &dev->maplist, head) {
-			if (r_list->map == map)
-				found_maps++;
-		}
-
-		if (!found_maps) {
-			switch (map->type) {
-			case _DRM_REGISTERS:
-			case _DRM_FRAME_BUFFER:
-				arch_phys_wc_del(map->mtrr);
-				iounmap(map->handle);
-				break;
-			case _DRM_SHM:
-				vfree(map->handle);
-				break;
-			case _DRM_AGP:
-			case _DRM_SCATTER_GATHER:
-				break;
-			case _DRM_CONSISTENT:
-				dma_free_coherent(dev->dev,
-						  map->size,
-						  map->handle,
-						  map->offset);
-				break;
-			}
-			kfree(map);
-		}
-	}
-	mutex_unlock(&dev->struct_mutex);
-}
-
-/*
- * \c fault method for DMA virtual memory.
- *
- * \param address access address.
- * \return pointer to the page structure.
- *
- * Determine the page number from the page offset and get it from drm_device_dma::pagelist.
- */
-static vm_fault_t drm_vm_dma_fault(struct vm_fault *vmf)
-{
-	struct vm_area_struct *vma = vmf->vma;
-	struct drm_file *priv = vma->vm_file->private_data;
-	struct drm_device *dev = priv->minor->dev;
-	struct drm_device_dma *dma = dev->dma;
-	unsigned long offset;
-	unsigned long page_nr;
-	struct page *page;
-
-	if (!dma)
-		return VM_FAULT_SIGBUS;	/* Error */
-	if (!dma->pagelist)
-		return VM_FAULT_SIGBUS;	/* Nothing allocated */
-
-	offset = vmf->address - vma->vm_start;
-					/* vm_[pg]off[set] should be 0 */
-	page_nr = offset >> PAGE_SHIFT; /* page_nr could just be vmf->pgoff */
-	page = virt_to_page((void *)dma->pagelist[page_nr]);
-
-	get_page(page);
-	vmf->page = page;
-
-	DRM_DEBUG("dma_fault 0x%lx (page %lu)\n", offset, page_nr);
-	return 0;
-}
-
-/*
- * \c fault method for scatter-gather virtual memory.
- *
- * \param address access address.
- * \return pointer to the page structure.
- *
- * Determine the map offset from the page offset and get it from drm_sg_mem::pagelist.
- */
-static vm_fault_t drm_vm_sg_fault(struct vm_fault *vmf)
-{
-	struct vm_area_struct *vma = vmf->vma;
-	struct drm_local_map *map = vma->vm_private_data;
-	struct drm_file *priv = vma->vm_file->private_data;
-	struct drm_device *dev = priv->minor->dev;
-	struct drm_sg_mem *entry = dev->sg;
-	unsigned long offset;
-	unsigned long map_offset;
-	unsigned long page_offset;
-	struct page *page;
-
-	if (!entry)
-		return VM_FAULT_SIGBUS;	/* Error */
-	if (!entry->pagelist)
-		return VM_FAULT_SIGBUS;	/* Nothing allocated */
-
-	offset = vmf->address - vma->vm_start;
-	map_offset = map->offset - (unsigned long)dev->sg->virtual;
-	page_offset = (offset >> PAGE_SHIFT) + (map_offset >> PAGE_SHIFT);
-	page = entry->pagelist[page_offset];
-	get_page(page);
-	vmf->page = page;
-
-	return 0;
-}
-
-/** AGP virtual memory operations */
-static const struct vm_operations_struct drm_vm_ops = {
-	.fault = drm_vm_fault,
-	.open = drm_vm_open,
-	.close = drm_vm_close,
-};
-
-/** Shared virtual memory operations */
-static const struct vm_operations_struct drm_vm_shm_ops = {
-	.fault = drm_vm_shm_fault,
-	.open = drm_vm_open,
-	.close = drm_vm_shm_close,
-};
-
-/** DMA virtual memory operations */
-static const struct vm_operations_struct drm_vm_dma_ops = {
-	.fault = drm_vm_dma_fault,
-	.open = drm_vm_open,
-	.close = drm_vm_close,
-};
-
-/** Scatter-gather virtual memory operations */
-static const struct vm_operations_struct drm_vm_sg_ops = {
-	.fault = drm_vm_sg_fault,
-	.open = drm_vm_open,
-	.close = drm_vm_close,
-};
-
-static void drm_vm_open_locked(struct drm_device *dev,
-			       struct vm_area_struct *vma)
-{
-	struct drm_vma_entry *vma_entry;
-
-	DRM_DEBUG("0x%08lx,0x%08lx\n",
-		  vma->vm_start, vma->vm_end - vma->vm_start);
-
-	vma_entry = kmalloc(sizeof(*vma_entry), GFP_KERNEL);
-	if (vma_entry) {
-		vma_entry->vma = vma;
-		vma_entry->pid = current->pid;
-		list_add(&vma_entry->head, &dev->vmalist);
-	}
-}
-
-static void drm_vm_open(struct vm_area_struct *vma)
-{
-	struct drm_file *priv = vma->vm_file->private_data;
-	struct drm_device *dev = priv->minor->dev;
-
-	mutex_lock(&dev->struct_mutex);
-	drm_vm_open_locked(dev, vma);
-	mutex_unlock(&dev->struct_mutex);
-}
-
-static void drm_vm_close_locked(struct drm_device *dev,
-				struct vm_area_struct *vma)
-{
-	struct drm_vma_entry *pt, *temp;
-
-	DRM_DEBUG("0x%08lx,0x%08lx\n",
-		  vma->vm_start, vma->vm_end - vma->vm_start);
-
-	list_for_each_entry_safe(pt, temp, &dev->vmalist, head) {
-		if (pt->vma == vma) {
-			list_del(&pt->head);
-			kfree(pt);
-			break;
-		}
-	}
-}
-
-/*
- * \c close method for all virtual memory types.
- *
- * \param vma virtual memory area.
- *
- * Search the \p vma private data entry in drm_device::vmalist, unlink it, and
- * free it.
- */
-static void drm_vm_close(struct vm_area_struct *vma)
-{
-	struct drm_file *priv = vma->vm_file->private_data;
-	struct drm_device *dev = priv->minor->dev;
-
-	mutex_lock(&dev->struct_mutex);
-	drm_vm_close_locked(dev, vma);
-	mutex_unlock(&dev->struct_mutex);
-}
-
-/*
- * mmap DMA memory.
- *
- * \param file_priv DRM file private.
- * \param vma virtual memory area.
- * \return zero on success or a negative number on failure.
- *
- * Sets the virtual memory area operations structure to vm_dma_ops, the file
- * pointer, and calls vm_open().
- */
-static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
-{
-	struct drm_file *priv = filp->private_data;
-	struct drm_device *dev;
-	struct drm_device_dma *dma;
-	unsigned long length = vma->vm_end - vma->vm_start;
-
-	dev = priv->minor->dev;
-	dma = dev->dma;
-	DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n",
-		  vma->vm_start, vma->vm_end, vma->vm_pgoff);
-
-	/* Length must match exact page count */
-	if (!dma || (length >> PAGE_SHIFT) != dma->page_count) {
-		return -EINVAL;
-	}
-
-	if (!capable(CAP_SYS_ADMIN) &&
-	    (dma->flags & _DRM_DMA_USE_PCI_RO)) {
-		vm_flags_clear(vma, VM_WRITE | VM_MAYWRITE);
-#if defined(__i386__) || defined(__x86_64__)
-		pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW;
-#else
-		/* Ye gads this is ugly.  With more thought
-		   we could move this up higher and use
-		   `protection_map' instead.  */
-		vma->vm_page_prot =
-		    __pgprot(pte_val
-			     (pte_wrprotect
-			      (__pte(pgprot_val(vma->vm_page_prot)))));
-#endif
-	}
-
-	vma->vm_ops = &drm_vm_dma_ops;
-
-	vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP);
-
-	drm_vm_open_locked(dev, vma);
-	return 0;
-}
-
-static resource_size_t drm_core_get_reg_ofs(struct drm_device *dev)
-{
-#ifdef __alpha__
-	return dev->hose->dense_mem_base;
-#else
-	return 0;
-#endif
-}
-
-/*
- * mmap DMA memory.
- *
- * \param file_priv DRM file private.
- * \param vma virtual memory area.
- * \return zero on success or a negative number on failure.
- *
- * If the virtual memory area has no offset associated with it then it's a DMA
- * area, so calls mmap_dma(). Otherwise searches the map in drm_device::maplist,
- * checks that the restricted flag is not set, sets the virtual memory operations
- * according to the mapping type and remaps the pages. Finally sets the file
- * pointer and calls vm_open().
- */
-static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
-{
-	struct drm_file *priv = filp->private_data;
-	struct drm_device *dev = priv->minor->dev;
-	struct drm_local_map *map = NULL;
-	resource_size_t offset = 0;
-	struct drm_hash_item *hash;
-
-	DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n",
-		  vma->vm_start, vma->vm_end, vma->vm_pgoff);
-
-	if (!priv->authenticated)
-		return -EACCES;
-
-	/* We check for "dma". On Apple's UniNorth, it's valid to have
-	 * the AGP mapped at physical address 0
-	 * --BenH.
-	 */
-	if (!vma->vm_pgoff
-#if IS_ENABLED(CONFIG_AGP)
-	    && (!dev->agp
-		|| dev->agp->agp_info.device->vendor != PCI_VENDOR_ID_APPLE)
-#endif
-	    )
-		return drm_mmap_dma(filp, vma);
-
-	if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff, &hash)) {
-		DRM_ERROR("Could not find map\n");
-		return -EINVAL;
-	}
-
-	map = drm_hash_entry(hash, struct drm_map_list, hash)->map;
-	if (!map || ((map->flags & _DRM_RESTRICTED) && !capable(CAP_SYS_ADMIN)))
-		return -EPERM;
-
-	/* Check for valid size. */
-	if (map->size < vma->vm_end - vma->vm_start)
-		return -EINVAL;
-
-	if (!capable(CAP_SYS_ADMIN) && (map->flags & _DRM_READ_ONLY)) {
-		vm_flags_clear(vma, VM_WRITE | VM_MAYWRITE);
-#if defined(__i386__) || defined(__x86_64__)
-		pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW;
-#else
-		/* Ye gads this is ugly.  With more thought
-		   we could move this up higher and use
-		   `protection_map' instead.  */
-		vma->vm_page_prot =
-		    __pgprot(pte_val
-			     (pte_wrprotect
-			      (__pte(pgprot_val(vma->vm_page_prot)))));
-#endif
-	}
-
-	switch (map->type) {
-#if !defined(__arm__)
-	case _DRM_AGP:
-		if (dev->agp && dev->agp->cant_use_aperture) {
-			/*
-			 * On some platforms we can't talk to bus dma address from the CPU, so for
-			 * memory of type DRM_AGP, we'll deal with sorting out the real physical
-			 * pages and mappings in fault()
-			 */
-#if defined(__powerpc__)
-			vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-#endif
-			vma->vm_ops = &drm_vm_ops;
-			break;
-		}
-		fallthrough;	/* to _DRM_FRAME_BUFFER... */
-#endif
-	case _DRM_FRAME_BUFFER:
-	case _DRM_REGISTERS:
-		offset = drm_core_get_reg_ofs(dev);
-		vma->vm_page_prot = drm_io_prot(map, vma);
-		if (io_remap_pfn_range(vma, vma->vm_start,
-				       (map->offset + offset) >> PAGE_SHIFT,
-				       vma->vm_end - vma->vm_start,
-				       vma->vm_page_prot))
-			return -EAGAIN;
-		DRM_DEBUG("   Type = %d; start = 0x%lx, end = 0x%lx,"
-			  " offset = 0x%llx\n",
-			  map->type,
-			  vma->vm_start, vma->vm_end, (unsigned long long)(map->offset + offset));
-
-		vma->vm_ops = &drm_vm_ops;
-		break;
-	case _DRM_CONSISTENT:
-		/* Consistent memory is really like shared memory. But
-		 * it's allocated in a different way, so avoid fault */
-		if (remap_pfn_range(vma, vma->vm_start,
-		    page_to_pfn(virt_to_page(map->handle)),
-		    vma->vm_end - vma->vm_start, vma->vm_page_prot))
-			return -EAGAIN;
-		vma->vm_page_prot = drm_dma_prot(map->type, vma);
-		fallthrough;	/* to _DRM_SHM */
-	case _DRM_SHM:
-		vma->vm_ops = &drm_vm_shm_ops;
-		vma->vm_private_data = (void *)map;
-		break;
-	case _DRM_SCATTER_GATHER:
-		vma->vm_ops = &drm_vm_sg_ops;
-		vma->vm_private_data = (void *)map;
-		vma->vm_page_prot = drm_dma_prot(map->type, vma);
-		break;
-	default:
-		return -EINVAL;	/* This should never happen. */
-	}
-	vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP);
-
-	drm_vm_open_locked(dev, vma);
-	return 0;
-}
-
-int drm_legacy_mmap(struct file *filp, struct vm_area_struct *vma)
-{
-	struct drm_file *priv = filp->private_data;
-	struct drm_device *dev = priv->minor->dev;
-	int ret;
-
-	if (drm_dev_is_unplugged(dev))
-		return -ENODEV;
-
-	mutex_lock(&dev->struct_mutex);
-	ret = drm_mmap_locked(filp, vma);
-	mutex_unlock(&dev->struct_mutex);
-
-	return ret;
-}
-EXPORT_SYMBOL(drm_legacy_mmap);
-
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-void drm_legacy_vma_flush(struct drm_device *dev)
-{
-	struct drm_vma_entry *vma, *vma_temp;
-
-	/* Clear vma list (only needed for legacy drivers) */
-	list_for_each_entry_safe(vma, vma_temp, &dev->vmalist, head) {
-		list_del(&vma->head);
-		kfree(vma);
-	}
-}
-#endif