1 files changed, 0 insertions, 171 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_mm.c b/drivers/gpu/drm/nouveau/nouveau_mm.c
deleted file mode 100644
index 7609756b6fa..00000000000
--- a/drivers/gpu/drm/nouveau/nouveau_mm.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright 2010 Red Hat Inc.
- *
- * 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.
- *
- * Authors: Ben Skeggs
- */
-
-#include "drmP.h"
-#include "nouveau_drv.h"
-#include "nouveau_mm.h"
-
-static inline void
-region_put(struct nouveau_mm *rmm, struct nouveau_mm_node *a)
-{
-	list_del(&a->nl_entry);
-	list_del(&a->fl_entry);
-	kfree(a);
-}
-
-static struct nouveau_mm_node *
-region_split(struct nouveau_mm *rmm, struct nouveau_mm_node *a, u32 size)
-{
-	struct nouveau_mm_node *b;
-
-	if (a->length == size)
-		return a;
-
-	b = kmalloc(sizeof(*b), GFP_KERNEL);
-	if (unlikely(b == NULL))
-		return NULL;
-
-	b->offset = a->offset;
-	b->length = size;
-	b->type   = a->type;
-	a->offset += size;
-	a->length -= size;
-	list_add_tail(&b->nl_entry, &a->nl_entry);
-	if (b->type == 0)
-		list_add_tail(&b->fl_entry, &a->fl_entry);
-	return b;
-}
-
-#define node(root, dir) ((root)->nl_entry.dir == &rmm->nodes) ? NULL : \
-	list_entry((root)->nl_entry.dir, struct nouveau_mm_node, nl_entry)
-
-void
-nouveau_mm_put(struct nouveau_mm *rmm, struct nouveau_mm_node *this)
-{
-	struct nouveau_mm_node *prev = node(this, prev);
-	struct nouveau_mm_node *next = node(this, next);
-
-	list_add(&this->fl_entry, &rmm->free);
-	this->type = 0;
-
-	if (prev && prev->type == 0) {
-		prev->length += this->length;
-		region_put(rmm, this);
-		this = prev;
-	}
-
-	if (next && next->type == 0) {
-		next->offset  = this->offset;
-		next->length += this->length;
-		region_put(rmm, this);
-	}
-}
-
-int
-nouveau_mm_get(struct nouveau_mm *rmm, int type, u32 size, u32 size_nc,
-	       u32 align, struct nouveau_mm_node **pnode)
-{
-	struct nouveau_mm_node *prev, *this, *next;
-	u32 min = size_nc ? size_nc : size;
-	u32 align_mask = align - 1;
-	u32 splitoff;
-	u32 s, e;
-
-	list_for_each_entry(this, &rmm->free, fl_entry) {
-		e = this->offset + this->length;
-		s = this->offset;
-
-		prev = node(this, prev);
-		if (prev && prev->type != type)
-			s = roundup(s, rmm->block_size);
-
-		next = node(this, next);
-		if (next && next->type != type)
-			e = rounddown(e, rmm->block_size);
-
-		s  = (s + align_mask) & ~align_mask;
-		e &= ~align_mask;
-		if (s > e || e - s < min)
-			continue;
-
-		splitoff = s - this->offset;
-		if (splitoff && !region_split(rmm, this, splitoff))
-			return -ENOMEM;
-
-		this = region_split(rmm, this, min(size, e - s));
-		if (!this)
-			return -ENOMEM;
-
-		this->type = type;
-		list_del(&this->fl_entry);
-		*pnode = this;
-		return 0;
-	}
-
-	return -ENOSPC;
-}
-
-int
-nouveau_mm_init(struct nouveau_mm **prmm, u32 offset, u32 length, u32 block)
-{
-	struct nouveau_mm *rmm;
-	struct nouveau_mm_node *heap;
-
-	heap = kzalloc(sizeof(*heap), GFP_KERNEL);
-	if (!heap)
-		return -ENOMEM;
-	heap->offset = roundup(offset, block);
-	heap->length = rounddown(offset + length, block) - heap->offset;
-
-	rmm = kzalloc(sizeof(*rmm), GFP_KERNEL);
-	if (!rmm) {
-		kfree(heap);
-		return -ENOMEM;
-	}
-	rmm->block_size = block;
-	mutex_init(&rmm->mutex);
-	INIT_LIST_HEAD(&rmm->nodes);
-	INIT_LIST_HEAD(&rmm->free);
-	list_add(&heap->nl_entry, &rmm->nodes);
-	list_add(&heap->fl_entry, &rmm->free);
-
-	*prmm = rmm;
-	return 0;
-}
-
-int
-nouveau_mm_fini(struct nouveau_mm **prmm)
-{
-	struct nouveau_mm *rmm = *prmm;
-	struct nouveau_mm_node *heap =
-		list_first_entry(&rmm->nodes, struct nouveau_mm_node, nl_entry);
-
-	if (!list_is_singular(&rmm->nodes))
-		return -EBUSY;
-
-	kfree(heap);
-	kfree(rmm);
-	*prmm = NULL;
-	return 0;
-}