include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[safe/jmp/linux-2.6] / drivers / gpu / drm / drm_proc.c
index 8df849f..a9ba6b6 100644 (file)
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#include <linux/seq_file.h>
+#include <linux/slab.h>
 #include "drmP.h"
 
-static int drm_name_info(char *buf, char **start, off_t offset,
-                        int request, int *eof, void *data);
-static int drm_vm_info(char *buf, char **start, off_t offset,
-                      int request, int *eof, void *data);
-static int drm_clients_info(char *buf, char **start, off_t offset,
-                           int request, int *eof, void *data);
-static int drm_queues_info(char *buf, char **start, off_t offset,
-                          int request, int *eof, void *data);
-static int drm_bufs_info(char *buf, char **start, off_t offset,
-                        int request, int *eof, void *data);
-static int drm_vblank_info(char *buf, char **start, off_t offset,
-                          int request, int *eof, void *data);
-static int drm_gem_name_info(char *buf, char **start, off_t offset,
-                            int request, int *eof, void *data);
-static int drm_gem_object_info(char *buf, char **start, off_t offset,
-                              int request, int *eof, void *data);
-#if DRM_DEBUG_CODE
-static int drm_vma_info(char *buf, char **start, off_t offset,
-                       int request, int *eof, void *data);
-#endif
+/***************************************************
+ * Initialization, etc.
+ **************************************************/
 
 /**
  * Proc file list.
  */
-static struct drm_proc_list {
-       const char *name;       /**< file name */
-       int (*f) (char *, char **, off_t, int, int *, void *);          /**< proc callback*/
-       u32 driver_features; /**< Required driver features for this entry */
-} drm_proc_list[] = {
+static struct drm_info_list drm_proc_list[] = {
        {"name", drm_name_info, 0},
-       {"mem", drm_mem_info, 0},
        {"vm", drm_vm_info, 0},
        {"clients", drm_clients_info, 0},
        {"queues", drm_queues_info, 0},
        {"bufs", drm_bufs_info, 0},
-       {"vblank", drm_vblank_info, 0},
        {"gem_names", drm_gem_name_info, DRIVER_GEM},
        {"gem_objects", drm_gem_object_info, DRIVER_GEM},
 #if DRM_DEBUG_CODE
-       {"vma", drm_vma_info},
+       {"vma", drm_vma_info, 0},
 #endif
 };
-
 #define DRM_PROC_ENTRIES ARRAY_SIZE(drm_proc_list)
 
+static int drm_proc_open(struct inode *inode, struct file *file)
+{
+       struct drm_info_node* node = PDE(inode)->data;
+
+       return single_open(file, node->info_ent->show, node);
+}
+
+static const struct file_operations drm_proc_fops = {
+       .owner = THIS_MODULE,
+       .open = drm_proc_open,
+       .read = seq_read,
+       .llseek = seq_lseek,
+       .release = single_release,
+};
+
+
 /**
- * Initialize the DRI proc filesystem for a device.
+ * Initialize a given set of proc files for a device
  *
- * \param dev DRM device.
- * \param minor device minor number.
+ * \param files The array of files to create
+ * \param count The number of files given
  * \param root DRI proc dir entry.
- * \param dev_root resulting DRI device proc dir entry.
- * \return root entry pointer on success, or NULL on failure.
+ * \param minor device minor number
+ * \return Zero on success, non-zero on failure
  *
- * Create the DRI proc root entry "/proc/dri", the device proc root entry
- * "/proc/dri/%minor%/", and each entry in proc_list as
- * "/proc/dri/%minor%/%name%".
+ * Create a given set of proc files represented by an array of
+ * gdm_proc_lists in the given root directory.
  */
-int drm_proc_init(struct drm_minor *minor, int minor_id,
-                 struct proc_dir_entry *root)
+int drm_proc_create_files(struct drm_info_list *files, int count,
+                         struct proc_dir_entry *root, struct drm_minor *minor)
 {
        struct drm_device *dev = minor->dev;
        struct proc_dir_entry *ent;
-       int i, j, ret;
+       struct drm_info_node *tmp;
        char name[64];
+       int i, ret;
 
-       sprintf(name, "%d", minor_id);
-       minor->dev_root = proc_mkdir(name, root);
-       if (!minor->dev_root) {
-               DRM_ERROR("Cannot create /proc/dri/%s\n", name);
-               return -1;
-       }
-
-       for (i = 0; i < DRM_PROC_ENTRIES; i++) {
-               u32 features = drm_proc_list[i].driver_features;
+       for (i = 0; i < count; i++) {
+               u32 features = files[i].driver_features;
 
                if (features != 0 &&
                    (dev->driver->driver_features & features) != features)
                        continue;
 
-               ent = create_proc_entry(drm_proc_list[i].name,
-                                       S_IFREG | S_IRUGO, minor->dev_root);
-               if (!ent) {
-                       DRM_ERROR("Cannot create /proc/dri/%s/%s\n",
-                                 name, drm_proc_list[i].name);
+               tmp = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL);
+               if (tmp == NULL) {
                        ret = -1;
                        goto fail;
                }
-               ent->read_proc = drm_proc_list[i].f;
-               ent->data = minor;
-       }
+               tmp->minor = minor;
+               tmp->info_ent = &files[i];
+               list_add(&tmp->list, &minor->proc_nodes.list);
 
-       if (dev->driver->proc_init) {
-               ret = dev->driver->proc_init(minor);
-               if (ret) {
-                       DRM_ERROR("DRM: Driver failed to initialize "
-                                 "/proc/dri.\n");
+               ent = proc_create_data(files[i].name, S_IRUGO, root,
+                                      &drm_proc_fops, tmp);
+               if (!ent) {
+                       DRM_ERROR("Cannot create /proc/dri/%s/%s\n",
+                                 name, files[i].name);
+                       list_del(&tmp->list);
+                       kfree(tmp);
+                       ret = -1;
                        goto fail;
                }
-       }
 
+       }
        return 0;
- fail:
 
-       for (j = 0; j < i; j++)
-               remove_proc_entry(drm_proc_list[i].name,
-                                 minor->dev_root);
-       remove_proc_entry(name, root);
-       minor->dev_root = NULL;
+fail:
+       for (i = 0; i < count; i++)
+               remove_proc_entry(drm_proc_list[i].name, minor->proc_root);
        return ret;
 }
 
 /**
- * Cleanup the proc filesystem resources.
+ * Initialize the DRI proc filesystem for a device
  *
- * \param minor device minor number.
+ * \param dev DRM device
+ * \param minor device minor number
  * \param root DRI proc dir entry.
- * \param dev_root DRI device proc dir entry.
- * \return always zero.
+ * \param dev_root resulting DRI device proc dir entry.
+ * \return root entry pointer on success, or NULL on failure.
  *
- * Remove all proc entries created by proc_init().
+ * Create the DRI proc root entry "/proc/dri", the device proc root entry
+ * "/proc/dri/%minor%/", and each entry in proc_list as
+ * "/proc/dri/%minor%/%name%".
  */
-int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root)
+int drm_proc_init(struct drm_minor *minor, int minor_id,
+                 struct proc_dir_entry *root)
 {
        struct drm_device *dev = minor->dev;
-       int i;
        char name[64];
+       int ret;
 
-       if (!root || !minor->dev_root)
-               return 0;
-
-       if (dev->driver->proc_cleanup)
-               dev->driver->proc_cleanup(minor);
-
-       for (i = 0; i < DRM_PROC_ENTRIES; i++)
-               remove_proc_entry(drm_proc_list[i].name, minor->dev_root);
-       sprintf(name, "%d", minor->index);
-       remove_proc_entry(name, root);
-
-       return 0;
-}
-
-/**
- * Called when "/proc/dri/.../name" is read.
- *
- * \param buf output buffer.
- * \param start start of output data.
- * \param offset requested start offset.
- * \param request requested number of bytes.
- * \param eof whether there is no more data to return.
- * \param data private data.
- * \return number of written bytes.
- *
- * Prints the device name together with the bus id if available.
- */
-static int drm_name_info(char *buf, char **start, off_t offset, int request,
-                        int *eof, void *data)
-{
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_master *master = minor->master;
-       struct drm_device *dev = minor->dev;
-       int len = 0;
-
-       if (offset > DRM_PROC_LIMIT) {
-               *eof = 1;
-               return 0;
+       INIT_LIST_HEAD(&minor->proc_nodes.list);
+       sprintf(name, "%d", minor_id);
+       minor->proc_root = proc_mkdir(name, root);
+       if (!minor->proc_root) {
+               DRM_ERROR("Cannot create /proc/dri/%s\n", name);
+               return -1;
        }
 
-       if (!master)
-               return 0;
-
-       *start = &buf[offset];
-       *eof = 0;
-
-       if (master->unique) {
-               DRM_PROC_PRINT("%s %s %s\n",
-                              dev->driver->pci_driver.name,
-                              pci_name(dev->pdev), master->unique);
-       } else {
-               DRM_PROC_PRINT("%s %s\n", dev->driver->pci_driver.name,
-                              pci_name(dev->pdev));
+       ret = drm_proc_create_files(drm_proc_list, DRM_PROC_ENTRIES,
+                                   minor->proc_root, minor);
+       if (ret) {
+               remove_proc_entry(name, root);
+               minor->proc_root = NULL;
+               DRM_ERROR("Failed to create core drm proc files\n");
+               return ret;
        }
 
-       if (len > request + offset)
-               return request;
-       *eof = 1;
-       return len - offset;
-}
-
-/**
- * Called when "/proc/dri/.../vm" is read.
- *
- * \param buf output buffer.
- * \param start start of output data.
- * \param offset requested start offset.
- * \param request requested number of bytes.
- * \param eof whether there is no more data to return.
- * \param data private data.
- * \return number of written bytes.
- *
- * Prints information about all mappings in drm_device::maplist.
- */
-static int drm__vm_info(char *buf, char **start, off_t offset, int request,
-                       int *eof, void *data)
-{
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_device *dev = minor->dev;
-       int len = 0;
-       struct drm_map *map;
-       struct drm_map_list *r_list;
-
-       /* Hardcoded from _DRM_FRAME_BUFFER,
-          _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and
-          _DRM_SCATTER_GATHER and _DRM_CONSISTENT */
-       const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" };
-       const char *type;
-       int i;
-
-       if (offset > DRM_PROC_LIMIT) {
-               *eof = 1;
-               return 0;
-       }
-
-       *start = &buf[offset];
-       *eof = 0;
-
-       DRM_PROC_PRINT("slot     offset       size type flags    "
-                      "address mtrr\n\n");
-       i = 0;
-       list_for_each_entry(r_list, &dev->maplist, head) {
-               map = r_list->map;
-               if (!map)
-                       continue;
-               if (map->type < 0 || map->type > 5)
-                       type = "??";
-               else
-                       type = types[map->type];
-               DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s  0x%02x 0x%08lx ",
-                              i,
-                              map->offset,
-                              map->size, type, map->flags,
-                              (unsigned long) r_list->user_token);
-               if (map->mtrr < 0) {
-                       DRM_PROC_PRINT("none\n");
-               } else {
-                       DRM_PROC_PRINT("%4d\n", map->mtrr);
+       if (dev->driver->proc_init) {
+               ret = dev->driver->proc_init(minor);
+               if (ret) {
+                       DRM_ERROR("DRM: Driver failed to initialize "
+                                 "/proc/dri.\n");
+                       return ret;
                }
-               i++;
        }
-
-       if (len > request + offset)
-               return request;
-       *eof = 1;
-       return len - offset;
-}
-
-/**
- * Simply calls _vm_info() while holding the drm_device::struct_mutex lock.
- */
-static int drm_vm_info(char *buf, char **start, off_t offset, int request,
-                      int *eof, void *data)
-{
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_device *dev = minor->dev;
-       int ret;
-
-       mutex_lock(&dev->struct_mutex);
-       ret = drm__vm_info(buf, start, offset, request, eof, data);
-       mutex_unlock(&dev->struct_mutex);
-       return ret;
-}
-
-/**
- * Called when "/proc/dri/.../queues" is read.
- *
- * \param buf output buffer.
- * \param start start of output data.
- * \param offset requested start offset.
- * \param request requested number of bytes.
- * \param eof whether there is no more data to return.
- * \param data private data.
- * \return number of written bytes.
- */
-static int drm__queues_info(char *buf, char **start, off_t offset,
-                           int request, int *eof, void *data)
-{
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_device *dev = minor->dev;
-       int len = 0;
-       int i;
-       struct drm_queue *q;
-
-       if (offset > DRM_PROC_LIMIT) {
-               *eof = 1;
-               return 0;
-       }
-
-       *start = &buf[offset];
-       *eof = 0;
-
-       DRM_PROC_PRINT("  ctx/flags   use   fin"
-                      "   blk/rw/rwf  wait    flushed     queued"
-                      "      locks\n\n");
-       for (i = 0; i < dev->queue_count; i++) {
-               q = dev->queuelist[i];
-               atomic_inc(&q->use_count);
-               DRM_PROC_PRINT_RET(atomic_dec(&q->use_count),
-                                  "%5d/0x%03x %5d %5d"
-                                  " %5d/%c%c/%c%c%c %5Zd\n",
-                                  i,
-                                  q->flags,
-                                  atomic_read(&q->use_count),
-                                  atomic_read(&q->finalization),
-                                  atomic_read(&q->block_count),
-                                  atomic_read(&q->block_read) ? 'r' : '-',
-                                  atomic_read(&q->block_write) ? 'w' : '-',
-                                  waitqueue_active(&q->read_queue) ? 'r' : '-',
-                                  waitqueue_active(&q->
-                                                   write_queue) ? 'w' : '-',
-                                  waitqueue_active(&q->
-                                                   flush_queue) ? 'f' : '-',
-                                  DRM_BUFCOUNT(&q->waitlist));
-               atomic_dec(&q->use_count);
-       }
-
-       if (len > request + offset)
-               return request;
-       *eof = 1;
-       return len - offset;
-}
-
-/**
- * Simply calls _queues_info() while holding the drm_device::struct_mutex lock.
- */
-static int drm_queues_info(char *buf, char **start, off_t offset, int request,
-                          int *eof, void *data)
-{
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_device *dev = minor->dev;
-       int ret;
-
-       mutex_lock(&dev->struct_mutex);
-       ret = drm__queues_info(buf, start, offset, request, eof, data);
-       mutex_unlock(&dev->struct_mutex);
-       return ret;
+       return 0;
 }
 
-/**
- * Called when "/proc/dri/.../bufs" is read.
- *
- * \param buf output buffer.
- * \param start start of output data.
- * \param offset requested start offset.
- * \param request requested number of bytes.
- * \param eof whether there is no more data to return.
- * \param data private data.
- * \return number of written bytes.
- */
-static int drm__bufs_info(char *buf, char **start, off_t offset, int request,
-                         int *eof, void *data)
+int drm_proc_remove_files(struct drm_info_list *files, int count,
+                         struct drm_minor *minor)
 {
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_device *dev = minor->dev;
-       int len = 0;
-       struct drm_device_dma *dma = dev->dma;
+       struct list_head *pos, *q;
+       struct drm_info_node *tmp;
        int i;
 
-       if (!dma || offset > DRM_PROC_LIMIT) {
-               *eof = 1;
-               return 0;
-       }
-
-       *start = &buf[offset];
-       *eof = 0;
-
-       DRM_PROC_PRINT(" o     size count  free  segs pages    kB\n\n");
-       for (i = 0; i <= DRM_MAX_ORDER; i++) {
-               if (dma->bufs[i].buf_count)
-                       DRM_PROC_PRINT("%2d %8d %5d %5d %5d %5d %5ld\n",
-                                      i,
-                                      dma->bufs[i].buf_size,
-                                      dma->bufs[i].buf_count,
-                                      atomic_read(&dma->bufs[i]
-                                                  .freelist.count),
-                                      dma->bufs[i].seg_count,
-                                      dma->bufs[i].seg_count
-                                      * (1 << dma->bufs[i].page_order),
-                                      (dma->bufs[i].seg_count
-                                       * (1 << dma->bufs[i].page_order))
-                                      * PAGE_SIZE / 1024);
-       }
-       DRM_PROC_PRINT("\n");
-       for (i = 0; i < dma->buf_count; i++) {
-               if (i && !(i % 32))
-                       DRM_PROC_PRINT("\n");
-               DRM_PROC_PRINT(" %d", dma->buflist[i]->list);
+       for (i = 0; i < count; i++) {
+               list_for_each_safe(pos, q, &minor->proc_nodes.list) {
+                       tmp = list_entry(pos, struct drm_info_node, list);
+                       if (tmp->info_ent == &files[i]) {
+                               remove_proc_entry(files[i].name,
+                                                 minor->proc_root);
+                               list_del(pos);
+                               kfree(tmp);
+                       }
+               }
        }
-       DRM_PROC_PRINT("\n");
-
-       if (len > request + offset)
-               return request;
-       *eof = 1;
-       return len - offset;
-}
-
-/**
- * Simply calls _bufs_info() while holding the drm_device::struct_mutex lock.
- */
-static int drm_bufs_info(char *buf, char **start, off_t offset, int request,
-                        int *eof, void *data)
-{
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_device *dev = minor->dev;
-       int ret;
-
-       mutex_lock(&dev->struct_mutex);
-       ret = drm__bufs_info(buf, start, offset, request, eof, data);
-       mutex_unlock(&dev->struct_mutex);
-       return ret;
+       return 0;
 }
 
 /**
- * Called when "/proc/dri/.../vblank" is read.
+ * Cleanup the proc filesystem resources.
  *
- * \param buf output buffer.
- * \param start start of output data.
- * \param offset requested start offset.
- * \param request requested number of bytes.
- * \param eof whether there is no more data to return.
- * \param data private data.
- * \return number of written bytes.
- */
-static int drm__vblank_info(char *buf, char **start, off_t offset, int request,
-                         int *eof, void *data)
-{
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_device *dev = minor->dev;
-       int len = 0;
-       int crtc;
-
-       if (offset > DRM_PROC_LIMIT) {
-               *eof = 1;
-               return 0;
-       }
-
-       *start = &buf[offset];
-       *eof = 0;
-
-       for (crtc = 0; crtc < dev->num_crtcs; crtc++) {
-               DRM_PROC_PRINT("CRTC %d enable:     %d\n",
-                              crtc, atomic_read(&dev->vblank_refcount[crtc]));
-               DRM_PROC_PRINT("CRTC %d counter:    %d\n",
-                              crtc, drm_vblank_count(dev, crtc));
-               DRM_PROC_PRINT("CRTC %d last wait:  %d\n",
-                              crtc, dev->last_vblank_wait[crtc]);
-               DRM_PROC_PRINT("CRTC %d in modeset: %d\n",
-                              crtc, dev->vblank_inmodeset[crtc]);
-       }
-
-       if (len > request + offset)
-               return request;
-       *eof = 1;
-       return len - offset;
-}
-
-/**
- * Simply calls _vblank_info() while holding the drm_device::struct_mutex lock.
- */
-static int drm_vblank_info(char *buf, char **start, off_t offset, int request,
-                        int *eof, void *data)
-{
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_device *dev = minor->dev;
-       int ret;
-
-       mutex_lock(&dev->struct_mutex);
-       ret = drm__vblank_info(buf, start, offset, request, eof, data);
-       mutex_unlock(&dev->struct_mutex);
-       return ret;
-}
-
-/**
- * Called when "/proc/dri/.../clients" is read.
+ * \param minor device minor number.
+ * \param root DRI proc dir entry.
+ * \param dev_root DRI device proc dir entry.
+ * \return always zero.
  *
- * \param buf output buffer.
- * \param start start of output data.
- * \param offset requested start offset.
- * \param request requested number of bytes.
- * \param eof whether there is no more data to return.
- * \param data private data.
- * \return number of written bytes.
+ * Remove all proc entries created by proc_init().
  */
-static int drm__clients_info(char *buf, char **start, off_t offset,
-                            int request, int *eof, void *data)
+int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root)
 {
-       struct drm_minor *minor = (struct drm_minor *) data;
        struct drm_device *dev = minor->dev;
-       int len = 0;
-       struct drm_file *priv;
+       char name[64];
 
-       if (offset > DRM_PROC_LIMIT) {
-               *eof = 1;
+       if (!root || !minor->proc_root)
                return 0;
-       }
-
-       *start = &buf[offset];
-       *eof = 0;
-
-       DRM_PROC_PRINT("a dev   pid    uid      magic     ioctls\n\n");
-       list_for_each_entry(priv, &dev->filelist, lhead) {
-               DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n",
-                              priv->authenticated ? 'y' : 'n',
-                              priv->minor->index,
-                              priv->pid,
-                              priv->uid, priv->magic, priv->ioctl_count);
-       }
-
-       if (len > request + offset)
-               return request;
-       *eof = 1;
-       return len - offset;
-}
-
-/**
- * Simply calls _clients_info() while holding the drm_device::struct_mutex lock.
- */
-static int drm_clients_info(char *buf, char **start, off_t offset,
-                           int request, int *eof, void *data)
-{
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_device *dev = minor->dev;
-       int ret;
-
-       mutex_lock(&dev->struct_mutex);
-       ret = drm__clients_info(buf, start, offset, request, eof, data);
-       mutex_unlock(&dev->struct_mutex);
-       return ret;
-}
 
-struct drm_gem_name_info_data {
-       int                     len;
-       char                    *buf;
-       int                     eof;
-};
+       if (dev->driver->proc_cleanup)
+               dev->driver->proc_cleanup(minor);
 
-static int drm_gem_one_name_info(int id, void *ptr, void *data)
-{
-       struct drm_gem_object *obj = ptr;
-       struct drm_gem_name_info_data   *nid = data;
+       drm_proc_remove_files(drm_proc_list, DRM_PROC_ENTRIES, minor);
 
-       DRM_INFO("name %d size %zd\n", obj->name, obj->size);
-       if (nid->eof)
-               return 0;
+       sprintf(name, "%d", minor->index);
+       remove_proc_entry(name, root);
 
-       nid->len += sprintf(&nid->buf[nid->len],
-                           "%6d %8zd %7d %8d\n",
-                           obj->name, obj->size,
-                           atomic_read(&obj->handlecount.refcount),
-                           atomic_read(&obj->refcount.refcount));
-       if (nid->len > DRM_PROC_LIMIT) {
-               nid->eof = 1;
-               return 0;
-       }
        return 0;
 }
 
-static int drm_gem_name_info(char *buf, char **start, off_t offset,
-                            int request, int *eof, void *data)
-{
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_device *dev = minor->dev;
-       struct drm_gem_name_info_data nid;
-
-       if (offset > DRM_PROC_LIMIT) {
-               *eof = 1;
-               return 0;
-       }
-
-       nid.len = sprintf(buf, "  name     size handles refcount\n");
-       nid.buf = buf;
-       nid.eof = 0;
-       idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, &nid);
-
-       *start = &buf[offset];
-       *eof = 0;
-       if (nid.len > request + offset)
-               return request;
-       *eof = 1;
-       return nid.len - offset;
-}
-
-static int drm_gem_object_info(char *buf, char **start, off_t offset,
-                              int request, int *eof, void *data)
-{
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_device *dev = minor->dev;
-       int len = 0;
-
-       if (offset > DRM_PROC_LIMIT) {
-               *eof = 1;
-               return 0;
-       }
-
-       *start = &buf[offset];
-       *eof = 0;
-       DRM_PROC_PRINT("%d objects\n", atomic_read(&dev->object_count));
-       DRM_PROC_PRINT("%d object bytes\n", atomic_read(&dev->object_memory));
-       DRM_PROC_PRINT("%d pinned\n", atomic_read(&dev->pin_count));
-       DRM_PROC_PRINT("%d pin bytes\n", atomic_read(&dev->pin_memory));
-       DRM_PROC_PRINT("%d gtt bytes\n", atomic_read(&dev->gtt_memory));
-       DRM_PROC_PRINT("%d gtt total\n", dev->gtt_total);
-       if (len > request + offset)
-               return request;
-       *eof = 1;
-       return len - offset;
-}
-
-#if DRM_DEBUG_CODE
-
-static int drm__vma_info(char *buf, char **start, off_t offset, int request,
-                        int *eof, void *data)
-{
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_device *dev = minor->dev;
-       int len = 0;
-       struct drm_vma_entry *pt;
-       struct vm_area_struct *vma;
-#if defined(__i386__)
-       unsigned int pgprot;
-#endif
-
-       if (offset > DRM_PROC_LIMIT) {
-               *eof = 1;
-               return 0;
-       }
-
-       *start = &buf[offset];
-       *eof = 0;
-
-       DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n",
-                      atomic_read(&dev->vma_count),
-                      high_memory, virt_to_phys(high_memory));
-       list_for_each_entry(pt, &dev->vmalist, head) {
-               if (!(vma = pt->vma))
-                       continue;
-               DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000",
-                              pt->pid,
-                              vma->vm_start,
-                              vma->vm_end,
-                              vma->vm_flags & VM_READ ? 'r' : '-',
-                              vma->vm_flags & VM_WRITE ? 'w' : '-',
-                              vma->vm_flags & VM_EXEC ? 'x' : '-',
-                              vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
-                              vma->vm_flags & VM_LOCKED ? 'l' : '-',
-                              vma->vm_flags & VM_IO ? 'i' : '-',
-                              vma->vm_pgoff);
-
-#if defined(__i386__)
-               pgprot = pgprot_val(vma->vm_page_prot);
-               DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c",
-                              pgprot & _PAGE_PRESENT ? 'p' : '-',
-                              pgprot & _PAGE_RW ? 'w' : 'r',
-                              pgprot & _PAGE_USER ? 'u' : 's',
-                              pgprot & _PAGE_PWT ? 't' : 'b',
-                              pgprot & _PAGE_PCD ? 'u' : 'c',
-                              pgprot & _PAGE_ACCESSED ? 'a' : '-',
-                              pgprot & _PAGE_DIRTY ? 'd' : '-',
-                              pgprot & _PAGE_PSE ? 'm' : 'k',
-                              pgprot & _PAGE_GLOBAL ? 'g' : 'l');
-#endif
-               DRM_PROC_PRINT("\n");
-       }
-
-       if (len > request + offset)
-               return request;
-       *eof = 1;
-       return len - offset;
-}
-
-static int drm_vma_info(char *buf, char **start, off_t offset, int request,
-                       int *eof, void *data)
-{
-       struct drm_minor *minor = (struct drm_minor *) data;
-       struct drm_device *dev = minor->dev;
-       int ret;
-
-       mutex_lock(&dev->struct_mutex);
-       ret = drm__vma_info(buf, start, offset, request, eof, data);
-       mutex_unlock(&dev->struct_mutex);
-       return ret;
-}
-#endif