#if __OS_HAS_AGP
/**
- * AGP information ioctl.
+ * Get AGP information.
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a (output) drm_agp_info structure.
* \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_agp_info(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
DRM_AGP_KERN *kern;
- drm_agp_info_t info;
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;
-
- if (copy_to_user((drm_agp_info_t __user *) arg, &info, sizeof(info)))
- return -EFAULT;
+ 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_agp_info);
+
+int drm_agp_info_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_agp_info *info = data;
+ int err;
+
+ err = drm_agp_info(dev, info);
+ if (err)
+ return err;
+
return 0;
}
/**
- * Acquire the AGP device (ioctl).
+ * Acquire the AGP device.
*
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument.
+ * \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
- * agp_backend_acquire().
+ * \c agp_backend_acquire.
*/
-int drm_agp_acquire(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_agp_acquire(struct drm_device * dev)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11)
int retcode;
+#endif
if (!dev->agp)
return -ENODEV;
if (dev->agp->acquired)
return -EBUSY;
-#ifndef VMAP_4_ARGS
- if (dev->agp->cant_use_aperture)
- return -EINVAL;
-#endif
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11)
if ((retcode = agp_backend_acquire()))
return retcode;
+#else
+ if (!(dev->agp->bridge = agp_backend_acquire(dev->pdev)))
+ return -ENODEV;
+#endif
+
dev->agp->acquired = 1;
return 0;
}
+EXPORT_SYMBOL(drm_agp_acquire);
/**
- * Release the AGP device (ioctl).
+ * Acquire the AGP device (ioctl).
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg user argument.
* \return zero on success or a negative number on failure.
*
- * Verifies the AGP device has been acquired and calls agp_backend_release().
+ * Verifies the AGP device hasn't been acquired before and calls
+ * \c agp_backend_acquire.
*/
-int drm_agp_release(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
+ return drm_agp_acquire((struct drm_device *) file_priv->head->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_agp_release(struct drm_device *dev)
+{
if (!dev->agp || !dev->agp->acquired)
return -EINVAL;
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11)
agp_backend_release();
+#else
+ agp_backend_release(dev->agp->bridge);
+#endif
dev->agp->acquired = 0;
return 0;
}
+EXPORT_SYMBOL(drm_agp_release);
-/**
- * Release the AGP device.
- *
- * Calls agp_backend_release().
- */
-void drm_agp_do_release(void)
+int drm_agp_release_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- agp_backend_release();
+ return drm_agp_release(dev);
}
/**
* Enable the AGP bus.
*
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg pointer to a drm_agp_mode structure.
+ * \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
- * agp_enable().
+ * \c agp_enable.
*/
-int drm_agp_enable(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_agp_mode_t mode;
-
if (!dev->agp || !dev->agp->acquired)
return -EINVAL;
- if (copy_from_user(&mode, (drm_agp_mode_t __user *) arg, sizeof(mode)))
- return -EFAULT;
-
dev->agp->mode = mode.mode;
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11)
agp_enable(mode.mode);
- dev->agp->base = dev->agp->agp_info.aper_base;
+#else
+ agp_enable(dev->agp->bridge, mode.mode);
+#endif
dev->agp->enabled = 1;
return 0;
}
+EXPORT_SYMBOL(drm_agp_enable);
+
+int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_agp_mode *mode = data;
+
+ return drm_agp_enable(dev, *mode);
+}
/**
* Allocate AGP memory.
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv file private pointer.
* \param cmd command.
* \param arg pointer to a drm_agp_buffer structure.
* \return zero on success or a negative number on failure.
* Verifies the AGP device is present and has been acquired, allocates the
* memory via alloc_agp() and creates a drm_agp_mem entry for it.
*/
-int drm_agp_alloc(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_agp_buffer_t request;
- drm_agp_mem_t *entry;
+ struct drm_agp_mem *entry;
DRM_AGP_MEM *memory;
unsigned long pages;
u32 type;
- drm_agp_buffer_t __user *argp = (void __user *)arg;
if (!dev->agp || !dev->agp->acquired)
return -EINVAL;
- if (copy_from_user(&request, argp, sizeof(request)))
- return -EFAULT;
if (!(entry = drm_alloc(sizeof(*entry), DRM_MEM_AGPLISTS)))
return -ENOMEM;
memset(entry, 0, sizeof(*entry));
- pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE;
- type = (u32) request.type;
-
- if (!(memory = drm_alloc_agp(pages, type))) {
+ pages = (request->size + PAGE_SIZE - 1) / PAGE_SIZE;
+ type = (u32) request->type;
+ if (!(memory = drm_alloc_agp(dev, pages, type))) {
drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
return -ENOMEM;
}
entry->memory = memory;
entry->bound = 0;
entry->pages = pages;
- entry->prev = NULL;
- entry->next = dev->agp->memory;
- if (dev->agp->memory)
- dev->agp->memory->prev = entry;
- dev->agp->memory = entry;
-
- request.handle = entry->handle;
- request.physical = memory->physical;
-
- if (copy_to_user(argp, &request, sizeof(request))) {
- dev->agp->memory = entry->next;
- dev->agp->memory->prev = NULL;
- drm_free_agp(memory, pages);
- drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
- return -EFAULT;
- }
+ list_add(&entry->head, &dev->agp->memory);
+
+ request->handle = entry->handle;
+ request->physical = memory->physical;
+
return 0;
}
+EXPORT_SYMBOL(drm_agp_alloc);
+
+
+int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_agp_buffer *request = data;
+
+ return drm_agp_alloc(dev, request);
+}
/**
* Search for the AGP memory entry associated with a handle.
*
* Walks through drm_agp_head::memory until finding a matching handle.
*/
-static drm_agp_mem_t *drm_agp_lookup_entry(drm_device_t * dev,
+static struct drm_agp_mem *drm_agp_lookup_entry(struct drm_device * dev,
unsigned long handle)
{
- drm_agp_mem_t *entry;
+ struct drm_agp_mem *entry;
- for (entry = dev->agp->memory; entry; entry = entry->next) {
+ list_for_each_entry(entry, &dev->agp->memory, head) {
if (entry->handle == handle)
return entry;
}
* Unbind AGP memory from the GATT (ioctl).
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a drm_agp_binding structure.
* \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_agp_unbind(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_agp_binding_t request;
- drm_agp_mem_t *entry;
+ struct drm_agp_mem *entry;
int ret;
if (!dev->agp || !dev->agp->acquired)
return -EINVAL;
- if (copy_from_user
- (&request, (drm_agp_binding_t __user *) arg, sizeof(request)))
- return -EFAULT;
- if (!(entry = drm_agp_lookup_entry(dev, request.handle)))
+ if (!(entry = drm_agp_lookup_entry(dev, request->handle)))
return -EINVAL;
if (!entry->bound)
return -EINVAL;
entry->bound = 0;
return ret;
}
+EXPORT_SYMBOL(drm_agp_unbind);
+
+
+int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_agp_binding *request = data;
+
+ return drm_agp_unbind(dev, request);
+}
+
/**
* Bind AGP memory into the GATT (ioctl)
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a drm_agp_binding structure.
* \return zero on success or a negative number on failure.
* is currently bound into the GATT. Looks-up the AGP memory entry and passes
* it to bind_agp() function.
*/
-int drm_agp_bind(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_agp_binding_t request;
- drm_agp_mem_t *entry;
+ struct drm_agp_mem *entry;
int retcode;
int page;
if (!dev->agp || !dev->agp->acquired)
return -EINVAL;
- if (copy_from_user
- (&request, (drm_agp_binding_t __user *) arg, sizeof(request)))
- return -EFAULT;
- if (!(entry = drm_agp_lookup_entry(dev, request.handle)))
+ if (!(entry = drm_agp_lookup_entry(dev, request->handle)))
return -EINVAL;
if (entry->bound)
return -EINVAL;
- page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE;
+ page = (request->offset + PAGE_SIZE - 1) / PAGE_SIZE;
if ((retcode = drm_bind_agp(entry->memory, page)))
return retcode;
entry->bound = dev->agp->base + (page << PAGE_SHIFT);
dev->agp->base, entry->bound);
return 0;
}
+EXPORT_SYMBOL(drm_agp_bind);
+
+
+int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_agp_binding *request = data;
+
+ return drm_agp_bind(dev, request);
+}
+
/**
* Free AGP memory (ioctl).
*
* \param inode device inode.
- * \param filp file pointer.
+ * \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a drm_agp_buffer structure.
* \return zero on success or a negative number on failure.
* 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_agp_free(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_agp_buffer_t request;
- drm_agp_mem_t *entry;
+ struct drm_agp_mem *entry;
if (!dev->agp || !dev->agp->acquired)
return -EINVAL;
- if (copy_from_user
- (&request, (drm_agp_buffer_t __user *) arg, sizeof(request)))
- return -EFAULT;
- if (!(entry = drm_agp_lookup_entry(dev, request.handle)))
+ if (!(entry = drm_agp_lookup_entry(dev, request->handle)))
return -EINVAL;
if (entry->bound)
drm_unbind_agp(entry->memory);
- if (entry->prev)
- entry->prev->next = entry->next;
- else
- dev->agp->memory = entry->next;
-
- if (entry->next)
- entry->next->prev = entry->prev;
+ list_del(&entry->head);
drm_free_agp(entry->memory, entry->pages);
drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
return 0;
}
+EXPORT_SYMBOL(drm_agp_free);
+
+
+
+int drm_agp_free_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_agp_buffer *request = data;
+
+ return drm_agp_free(dev, request);
+}
+
/**
* Initialize the AGP resources.
* via the inter_module_* functions. Creates and initializes a drm_agp_head
* structure.
*/
-drm_agp_head_t *drm_agp_init(void)
+struct drm_agp_head *drm_agp_init(struct drm_device *dev)
{
- drm_agp_head_t *head = NULL;
+ struct drm_agp_head *head = NULL;
if (!(head = drm_alloc(sizeof(*head), DRM_MEM_AGPLISTS)))
return NULL;
memset((void *)head, 0, sizeof(*head));
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11)
agp_copy_info(&head->agp_info);
+#else
+ head->bridge = agp_find_bridge(dev->pdev);
+ if (!head->bridge) {
+ if (!(head->bridge = agp_backend_acquire(dev->pdev))) {
+ drm_free(head, sizeof(*head), DRM_MEM_AGPLISTS);
+ return NULL;
+ }
+ agp_copy_info(head->bridge, &head->agp_info);
+ agp_backend_release(head->bridge);
+ } else {
+ agp_copy_info(head->bridge, &head->agp_info);
+ }
+#endif
if (head->agp_info.chipset == NOT_SUPPORTED) {
drm_free(head, sizeof(*head), DRM_MEM_AGPLISTS);
return NULL;
}
- head->memory = 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;
}
/** Calls agp_allocate_memory() */
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11)
DRM_AGP_MEM *drm_agp_allocate_memory(size_t pages, u32 type)
{
return agp_allocate_memory(pages, type);
}
+#else
+DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge,
+ size_t pages, u32 type)
+{
+ return agp_allocate_memory(bridge, pages, type);
+}
+#endif
/** Calls agp_free_memory() */
int drm_agp_free_memory(DRM_AGP_MEM * handle)
return -EINVAL;
return agp_bind_memory(handle, start);
}
+EXPORT_SYMBOL(drm_agp_bind_memory);
/** Calls agp_unbind_memory() */
int drm_agp_unbind_memory(DRM_AGP_MEM * handle)
return agp_unbind_memory(handle);
}
+
+
+/*
+ * AGP ttm backend interface.
+ */
+
+#ifndef AGP_USER_TYPES
+#define AGP_USER_TYPES (1 << 16)
+#define AGP_USER_MEMORY (AGP_USER_TYPES)
+#define AGP_USER_CACHED_MEMORY (AGP_USER_TYPES + 1)
+#endif
+#define AGP_REQUIRED_MAJOR 0
+#define AGP_REQUIRED_MINOR 102
+
+static int drm_agp_needs_unbind_cache_adjust(struct drm_ttm_backend *backend)
+{
+ return ((backend->flags & DRM_BE_FLAG_BOUND_CACHED) ? 0 : 1);
+}
+
+
+static int drm_agp_populate(struct drm_ttm_backend *backend,
+ unsigned long num_pages, struct page **pages)
+{
+ struct drm_agp_ttm_backend *agp_be =
+ container_of(backend, struct drm_agp_ttm_backend, backend);
+ struct page **cur_page, **last_page = pages + num_pages;
+ DRM_AGP_MEM *mem;
+
+ if (drm_alloc_memctl(num_pages * sizeof(void *)))
+ return -1;
+
+ DRM_DEBUG("drm_agp_populate_ttm\n");
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11)
+ mem = drm_agp_allocate_memory(num_pages, AGP_USER_MEMORY);
+#else
+ mem = drm_agp_allocate_memory(agp_be->bridge, num_pages, AGP_USER_MEMORY);
+#endif
+ if (!mem) {
+ drm_free_memctl(num_pages *sizeof(void *));
+ return -1;
+ }
+
+ DRM_DEBUG("Current page count is %ld\n", (long) mem->page_count);
+ mem->page_count = 0;
+ for (cur_page = pages; cur_page < last_page; ++cur_page)
+ mem->memory[mem->page_count++] = phys_to_gart(page_to_phys(*cur_page));
+ agp_be->mem = mem;
+ return 0;
+}
+
+static int drm_agp_bind_ttm(struct drm_ttm_backend *backend,
+ struct drm_bo_mem_reg *bo_mem)
+{
+ struct drm_agp_ttm_backend *agp_be =
+ container_of(backend, struct drm_agp_ttm_backend, backend);
+ DRM_AGP_MEM *mem = agp_be->mem;
+ int ret;
+ int snooped = (bo_mem->flags & DRM_BO_FLAG_CACHED) && !(bo_mem->flags & DRM_BO_FLAG_CACHED_MAPPED);
+
+ DRM_DEBUG("drm_agp_bind_ttm\n");
+ mem->is_flushed = TRUE;
+ mem->type = AGP_USER_MEMORY;
+ /* CACHED MAPPED implies not snooped memory */
+ if (snooped)
+ mem->type = AGP_USER_CACHED_MEMORY;
+
+ ret = drm_agp_bind_memory(mem, bo_mem->mm_node->start);
+ if (ret)
+ DRM_ERROR("AGP Bind memory failed\n");
+
+ DRM_FLAG_MASKED(backend->flags, (bo_mem->flags & DRM_BO_FLAG_CACHED) ?
+ DRM_BE_FLAG_BOUND_CACHED : 0,
+ DRM_BE_FLAG_BOUND_CACHED);
+ return ret;
+}
+
+static int drm_agp_unbind_ttm(struct drm_ttm_backend *backend)
+{
+ struct drm_agp_ttm_backend *agp_be =
+ container_of(backend, struct drm_agp_ttm_backend, backend);
+
+ DRM_DEBUG("drm_agp_unbind_ttm\n");
+ if (agp_be->mem->is_bound)
+ return drm_agp_unbind_memory(agp_be->mem);
+ else
+ return 0;
+}
+
+static void drm_agp_clear_ttm(struct drm_ttm_backend *backend)
+{
+ struct drm_agp_ttm_backend *agp_be =
+ container_of(backend, struct drm_agp_ttm_backend, backend);
+ DRM_AGP_MEM *mem = agp_be->mem;
+
+ DRM_DEBUG("drm_agp_clear_ttm\n");
+ if (mem) {
+ unsigned long num_pages = mem->page_count;
+ backend->func->unbind(backend);
+ agp_free_memory(mem);
+ drm_free_memctl(num_pages * sizeof(void *));
+ }
+ agp_be->mem = NULL;
+}
+
+static void drm_agp_destroy_ttm(struct drm_ttm_backend *backend)
+{
+ struct drm_agp_ttm_backend *agp_be;
+
+ if (backend) {
+ DRM_DEBUG("drm_agp_destroy_ttm\n");
+ agp_be = container_of(backend, struct drm_agp_ttm_backend, backend);
+ if (agp_be) {
+ if (agp_be->mem)
+ backend->func->clear(backend);
+ drm_ctl_free(agp_be, sizeof(*agp_be), DRM_MEM_TTM);
+ }
+ }
+}
+
+static struct drm_ttm_backend_func agp_ttm_backend = {
+ .needs_ub_cache_adjust = drm_agp_needs_unbind_cache_adjust,
+ .populate = drm_agp_populate,
+ .clear = drm_agp_clear_ttm,
+ .bind = drm_agp_bind_ttm,
+ .unbind = drm_agp_unbind_ttm,
+ .destroy = drm_agp_destroy_ttm,
+};
+
+struct drm_ttm_backend *drm_agp_init_ttm(struct drm_device *dev)
+{
+
+ struct drm_agp_ttm_backend *agp_be;
+ struct agp_kern_info *info;
+
+ if (!dev->agp) {
+ DRM_ERROR("AGP is not initialized.\n");
+ return NULL;
+ }
+ info = &dev->agp->agp_info;
+
+ if (info->version.major != AGP_REQUIRED_MAJOR ||
+ info->version.minor < AGP_REQUIRED_MINOR) {
+ DRM_ERROR("Wrong agpgart version %d.%d\n"
+ "\tYou need at least version %d.%d.\n",
+ info->version.major,
+ info->version.minor,
+ AGP_REQUIRED_MAJOR,
+ AGP_REQUIRED_MINOR);
+ return NULL;
+ }
+
+
+ agp_be = drm_ctl_calloc(1, sizeof(*agp_be), DRM_MEM_TTM);
+ if (!agp_be)
+ return NULL;
+
+ agp_be->mem = NULL;
+
+ agp_be->bridge = dev->agp->bridge;
+ agp_be->populated = FALSE;
+ agp_be->backend.func = &agp_ttm_backend;
+ agp_be->backend.dev = dev;
+
+ return &agp_be->backend;
+}
+EXPORT_SYMBOL(drm_agp_init_ttm);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
+void drm_agp_chipset_flush(struct drm_device *dev)
+{
+ agp_flush_chipset(dev->agp->bridge);
+}
+EXPORT_SYMBOL(drm_agp_flush_chipset);
+#endif
+
#endif /* __OS_HAS_AGP */
projects / platform / upstream / libdrm.git / blobdiff