Drop shared-core, bsd-core, linux-core and scripts subdirs

1 files changed, 0 insertions, 672 deletions

diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
deleted file mode 100644
index c6cee1a1..00000000
--- a/linux-core/drm_vm.c
+++ /dev/null
@@ -1,672 +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 "drmP.h"
-
-#if defined(__ia64__)
-#include <linux/efi.h>
-#endif
-
-static void drm_vm_open(struct vm_area_struct *vma);
-static void drm_vm_close(struct vm_area_struct *vma);
-
-pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma)
-{
-	pgprot_t tmp = vm_get_page_prot(vma->vm_flags);
-
-#if defined(__i386__) || defined(__x86_64__)
-	if (boot_cpu_data.x86 > 3 && map_type != _DRM_AGP) {
-		pgprot_val(tmp) |= _PAGE_PCD;
-		pgprot_val(tmp) &= ~_PAGE_PWT;
-	}
-#elif defined(__powerpc__)
-	pgprot_val(tmp) |= _PAGE_NO_CACHE;
-	if (map_type == _DRM_REGISTERS)
-		pgprot_val(tmp) |= _PAGE_GUARDED;
-#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__)
-	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 |= _PAGE_NO_CACHE;
-#endif
-	return tmp;
-}
-
-#ifndef DRM_VM_NOPAGE
-/**
- * \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 __OS_HAS_AGP
-static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-	struct drm_file *priv = vma->vm_file->private_data;
-	struct drm_device *dev = priv->minor->dev;
-	struct drm_map *map = NULL;
-	struct drm_map_list *r_list;
-	struct drm_hash_item *hash;
-
-	/*
-	 * Find the right map
-	 */
-	if (!drm_core_has_AGP(dev))
-		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.
-		 */
-		unsigned long offset = (unsigned long)vmf->virtual_address -
-								vma->vm_start;
-		unsigned long 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)
-			goto vm_fault_error;
-
-		/*
-		 * Get the page, inc the use count, and return it
-		 */
-		offset = (baddr - agpmem->bound) >> PAGE_SHIFT;
-		page = virt_to_page(__va(agpmem->memory->memory[offset]));
-		get_page(page);
-		vmf->page = page;
-
-		DRM_DEBUG
-		    ("baddr = 0x%lx page = 0x%p, offset = 0x%lx, count=%d\n",
-		     baddr, __va(agpmem->memory->memory[offset]), offset,
-		     page_count(page));
-		return 0;
-	}
-vm_fault_error:
-	return VM_FAULT_SIGBUS;	/* Disallow mremap */
-}
-#else				/* __OS_HAS_AGP */
-static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-	return VM_FAULT_SIGBUS;
-}
-#endif				/* __OS_HAS_AGP */
-
-/**
- * \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 int drm_do_vm_shm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-	struct drm_map *map = (struct drm_map *) vma->vm_private_data;
-	unsigned long offset;
-	unsigned long i;
-	struct page *page;
-
-	if (!map)
-		return VM_FAULT_SIGBUS;	/* Nothing allocated */
-
-	offset = (unsigned long)vmf->virtual_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;
-}
-#endif
-
-/**
- * \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_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);
-	atomic_dec(&dev->vma_count);
-
-	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);
-			drm_ctl_free(pt, sizeof(*pt), DRM_MEM_VMAS);
-		}
-	}
-	/* 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) {
-			drm_dma_handle_t dmah;
-
-			switch (map->type) {
-			case _DRM_REGISTERS:
-			case _DRM_FRAME_BUFFER:
-				if (drm_core_has_MTRR(dev) && map->mtrr >= 0) {
-					int retcode;
-					retcode = mtrr_del(map->mtrr,
-							   map->offset,
-							   map->size);
-					DRM_DEBUG("mtrr_del = %d\n", retcode);
-				}
-				iounmap(map->handle);
-				break;
-			case _DRM_SHM:
-				vfree(map->handle);
-				break;
-			case _DRM_AGP:
-			case _DRM_SCATTER_GATHER:
-				break;
-			case _DRM_CONSISTENT:
-				dmah.vaddr = map->handle;
-				dmah.busaddr = map->offset;
-				dmah.size = map->size;
-				__drm_pci_free(dev, &dmah);
-				break;
-			case _DRM_TTM:
-				BUG_ON(1);
-				break;
-			}
-			drm_free(map, sizeof(*map), DRM_MEM_MAPS);
-		}
-	}
-	mutex_unlock(&dev->struct_mutex);
-}
-
-#ifndef DRM_VM_NOPAGE
-/**
- * \c fault method for DMA virtual memory.
- *
- * \param vma virtual memory area.
- * \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 int drm_do_vm_dma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-	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 = (unsigned long)vmf->virtual_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((dma->pagelist[page_nr] + (offset & (~PAGE_MASK))));
-
-	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 vma virtual memory area.
- * \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 int drm_do_vm_sg_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-	struct drm_map *map = (struct drm_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 = (unsigned long)vmf->virtual_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;
-}
-#endif
-
-/** AGP virtual memory operations */
-static struct vm_operations_struct drm_vm_ops = {
-#ifdef DRM_VM_NOPAGE
-	.nopage = drm_vm_nopage,
-#else
-	.fault = drm_do_vm_fault,
-#endif
-	.open = drm_vm_open,
-	.close = drm_vm_close,
-};
-
-/** Shared virtual memory operations */
-static struct vm_operations_struct drm_vm_shm_ops = {
-#ifdef DRM_VM_NOPAGE
-	.nopage = drm_vm_shm_nopage,
-#else
-	.fault = drm_do_vm_shm_fault,
-#endif
-	.open = drm_vm_open,
-	.close = drm_vm_shm_close,
-};
-
-/** DMA virtual memory operations */
-static struct vm_operations_struct drm_vm_dma_ops = {
-#ifdef DRM_VM_NOPAGE
-	.nopage = drm_vm_dma_nopage,
-#else
-	.fault = drm_do_vm_dma_fault,
-#endif
-	.open = drm_vm_open,
-	.close = drm_vm_close,
-};
-
-/** Scatter-gather virtual memory operations */
-static struct vm_operations_struct drm_vm_sg_ops = {
-#ifdef DRM_VM_NOPAGE
-	.nopage = drm_vm_sg_nopage,
-#else
-	.fault = drm_do_vm_sg_fault,
-#endif
-	.open = drm_vm_open,
-	.close = drm_vm_close,
-};
-
-/**
- * \c open method for shared virtual memory.
- *
- * \param vma virtual memory area.
- *
- * Create a new drm_vma_entry structure as the \p vma private data entry and
- * add it to drm_device::vmalist.
- */
-static void drm_vm_open_locked(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 *vma_entry;
-
-	DRM_DEBUG("0x%08lx,0x%08lx\n",
-		  vma->vm_start, vma->vm_end - vma->vm_start);
-	atomic_inc(&dev->vma_count);
-
-	vma_entry = drm_ctl_alloc(sizeof(*vma_entry), DRM_MEM_VMAS);
-	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(vma);
-	mutex_unlock(&dev->struct_mutex);
-}
-
-/**
- * \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;
-	struct drm_vma_entry *pt, *temp;
-
-	DRM_DEBUG("0x%08lx,0x%08lx\n",
-		  vma->vm_start, vma->vm_end - vma->vm_start);
-	atomic_dec(&dev->vma_count);
-
-	mutex_lock(&dev->struct_mutex);
-	list_for_each_entry_safe(pt, temp, &dev->vmalist, head) {
-		if (pt->vma == vma) {
-			list_del(&pt->head);
-			drm_ctl_free(pt, sizeof(*pt), DRM_MEM_VMAS);
-			break;
-		}
-	}
-	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)) {
-		vma->vm_flags &= ~(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;
-	vma->vm_flags |= VM_RESERVED;	/* Don't swap */
-
-	vma->vm_file = filp;	/* Needed for drm_vm_open() */
-	drm_vm_open_locked(vma);
-	return 0;
-}
-
-unsigned long drm_core_get_map_ofs(struct drm_map * map)
-{
-	return map->offset;
-}
-EXPORT_SYMBOL(drm_core_get_map_ofs);
-
-unsigned long drm_core_get_reg_ofs(struct drm_device *dev)
-{
-#ifdef __alpha__
-	return dev->hose->dense_mem_base - dev->hose->mem_space->start;
-#else
-	return 0;
-#endif
-}
-EXPORT_SYMBOL(drm_core_get_reg_ofs);
-
-/**
- * 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_map *map = NULL;
-	unsigned long 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 __OS_HAS_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)) {
-		vma->vm_flags &= ~(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) {
-	case _DRM_AGP:
-		if (drm_core_has_AGP(dev) && 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 nopage()
-			 */
-#if defined(__powerpc__)
-			pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
-#endif
-			vma->vm_ops = &drm_vm_ops;
-			break;
-		}
-		/* fall through to _DRM_FRAME_BUFFER... */
-	case _DRM_FRAME_BUFFER:
-	case _DRM_REGISTERS:
-		offset = dev->driver->get_reg_ofs(dev);
-		vma->vm_flags |= VM_IO;	/* not in core dump */
-		vma->vm_page_prot = drm_io_prot(map->type, 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%lx\n",
-			  map->type,
-			  vma->vm_start, vma->vm_end, 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 nopage */
-		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);
-	/* fall through to _DRM_SHM */
-	case _DRM_SHM:
-		vma->vm_ops = &drm_vm_shm_ops;
-		vma->vm_private_data = (void *)map;
-		/* Don't let this area swap.  Change when
-		   DRM_KERNEL advisory is supported. */
-		vma->vm_flags |= VM_RESERVED;
-		break;
-	case _DRM_SCATTER_GATHER:
-		vma->vm_ops = &drm_vm_sg_ops;
-		vma->vm_private_data = (void *)map;
-		vma->vm_flags |= VM_RESERVED;
-		vma->vm_page_prot = drm_dma_prot(map->type, vma);
-		break;
-	default:
-		return -EINVAL;	/* This should never happen. */
-	}
-	vma->vm_flags |= VM_RESERVED;	/* Don't swap */
-
-	vma->vm_file = filp;	/* Needed for drm_vm_open() */
-	drm_vm_open_locked(vma);
-	return 0;
-}
-
-int drm_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;
-
-	mutex_lock(&dev->struct_mutex);
-	ret = drm_mmap_locked(filp, vma);
-	mutex_unlock(&dev->struct_mutex);
-
-	return ret;
-}
-EXPORT_SYMBOL(drm_mmap);