1 files changed, 0 insertions, 203 deletions
diff --git a/drivers/gpu/drm/drm_hashtab.c b/drivers/gpu/drm/drm_hashtab.c
deleted file mode 100644
index 60afa18655..0000000000
--- 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;
-	}
-}