drm/nouveau: move some more code around to more appropriate places

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

4 files changed, 336 insertions, 342 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 9f5696a1fbb8..c3e66ae04c83 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -36,10 +36,115 @@
 #include <core/mm.h>
 #include "nouveau_fence.h"
 #include <core/ramht.h>
+#include <engine/fifo.h>
 
 #include <linux/log2.h>
 #include <linux/slab.h>
 
+/*
+ * NV10-NV40 tiling helpers
+ */
+
+static void
+nv10_bo_update_tile_region(struct drm_device *dev,
+			    struct nouveau_tile_reg *tilereg, uint32_t addr,
+			    uint32_t size, uint32_t pitch, uint32_t flags)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	int i = tilereg - dev_priv->tile.reg, j;
+	struct nouveau_fb_tile *tile = nvfb_tile(dev, i);
+	unsigned long save;
+
+	nouveau_fence_unref(&tilereg->fence);
+
+	if (tile->pitch)
+		nvfb_tile_fini(dev, i);
+
+	if (pitch)
+		nvfb_tile_init(dev, i, addr, size, pitch, flags);
+
+	spin_lock_irqsave(&dev_priv->context_switch_lock, save);
+	nv_wr32(dev, NV03_PFIFO_CACHES, 0);
+	nv04_fifo_cache_pull(dev, false);
+
+	nouveau_wait_for_idle(dev);
+
+	nvfb_tile_prog(dev, i);
+	for (j = 0; j < NVOBJ_ENGINE_NR; j++) {
+		if (dev_priv->eng[j] && dev_priv->eng[j]->set_tile_region)
+			dev_priv->eng[j]->set_tile_region(dev, i);
+	}
+
+	nv04_fifo_cache_pull(dev, true);
+	nv_wr32(dev, NV03_PFIFO_CACHES, 1);
+	spin_unlock_irqrestore(&dev_priv->context_switch_lock, save);
+}
+
+static struct nouveau_tile_reg *
+nv10_bo_get_tile_region(struct drm_device *dev, int i)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
+
+	spin_lock(&dev_priv->tile.lock);
+
+	if (!tile->used &&
+	    (!tile->fence || nouveau_fence_done(tile->fence)))
+		tile->used = true;
+	else
+		tile = NULL;
+
+	spin_unlock(&dev_priv->tile.lock);
+	return tile;
+}
+
+static void
+nv10_bo_put_tile_region(struct drm_device *dev, struct nouveau_tile_reg *tile,
+			 struct nouveau_fence *fence)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+	if (tile) {
+		spin_lock(&dev_priv->tile.lock);
+		if (fence) {
+			/* Mark it as pending. */
+			tile->fence = fence;
+			nouveau_fence_ref(fence);
+		}
+
+		tile->used = false;
+		spin_unlock(&dev_priv->tile.lock);
+	}
+}
+
+static struct nouveau_tile_reg *
+nv10_bo_set_tiling(struct drm_device *dev, uint32_t addr, uint32_t size,
+		    uint32_t pitch, uint32_t flags)
+{
+	struct nouveau_tile_reg *tile, *found = NULL;
+	int i;
+
+	for (i = 0; i < nvfb_tile_nr(dev); i++) {
+		tile = nv10_bo_get_tile_region(dev, i);
+
+		if (pitch && !found) {
+			found = tile;
+			continue;
+
+		} else if (tile && nvfb_tile(dev, i)->pitch) {
+			/* Kill an unused tile region. */
+			nv10_bo_update_tile_region(dev, tile, 0, 0, 0, 0);
+		}
+
+		nv10_bo_put_tile_region(dev, tile, NULL);
+	}
+
+	if (found)
+		nv10_bo_update_tile_region(dev, found, addr, size,
+					    pitch, flags);
+	return found;
+}
+
 static void
 nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
 {
@@ -50,7 +155,7 @@ nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
 	if (unlikely(nvbo->gem))
 		DRM_ERROR("bo %p still attached to GEM object\n", bo);
 
-	nv10_mem_put_tile_region(dev, nvbo->tile, NULL);
+	nv10_bo_put_tile_region(dev, nvbo->tile, NULL);
 	kfree(nvbo);
 }
 
@@ -1075,7 +1180,7 @@ nouveau_bo_vm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_mem,
 		return 0;
 
 	if (dev_priv->card_type >= NV_10) {
-		*new_tile = nv10_mem_set_tiling(dev, offset, new_mem->size,
+		*new_tile = nv10_bo_set_tiling(dev, offset, new_mem->size,
 						nvbo->tile_mode,
 						nvbo->tile_flags);
 	}
@@ -1091,7 +1196,7 @@ nouveau_bo_vm_cleanup(struct ttm_buffer_object *bo,
 	struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
 	struct drm_device *dev = dev_priv->dev;
 
-	nv10_mem_put_tile_region(dev, *old_tile, bo->sync_obj);
+	nv10_bo_put_tile_region(dev, *old_tile, bo->sync_obj);
 	*old_tile = new_tile;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 42ea8ad5b911..08ce60be3f3c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -596,12 +596,6 @@ extern int  nouveau_mem_timing_calc(struct drm_device *, u32 freq,
 extern void nouveau_mem_timing_read(struct drm_device *,
 				    struct nouveau_pm_memtiming *);
 extern int nouveau_mem_vbios_type(struct drm_device *);
-extern struct nouveau_tile_reg *nv10_mem_set_tiling(
-	struct drm_device *dev, uint32_t addr, uint32_t size,
-	uint32_t pitch, uint32_t flags);
-extern void nv10_mem_put_tile_region(struct drm_device *dev,
-				     struct nouveau_tile_reg *tile,
-				     struct nouveau_fence *fence);
 extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
 extern const struct ttm_mem_type_manager_func nouveau_gart_manager;
 extern const struct ttm_mem_type_manager_func nv04_gart_manager;
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 48131ceeeb80..73176bcd1b64 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -42,110 +42,6 @@
 #include "nouveau_fence.h"
 
 /*
- * NV10-NV40 tiling helpers
- */
-
-static void
-nv10_mem_update_tile_region(struct drm_device *dev,
-			    struct nouveau_tile_reg *tilereg, uint32_t addr,
-			    uint32_t size, uint32_t pitch, uint32_t flags)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	int i = tilereg - dev_priv->tile.reg, j;
-	struct nouveau_fb_tile *tile = nvfb_tile(dev, i);
-	unsigned long save;
-
-	nouveau_fence_unref(&tilereg->fence);
-
-	if (tile->pitch)
-		nvfb_tile_fini(dev, i);
-
-	if (pitch)
-		nvfb_tile_init(dev, i, addr, size, pitch, flags);
-
-	spin_lock_irqsave(&dev_priv->context_switch_lock, save);
-	nv_wr32(dev, NV03_PFIFO_CACHES, 0);
-	nv04_fifo_cache_pull(dev, false);
-
-	nouveau_wait_for_idle(dev);
-
-	nvfb_tile_prog(dev, i);
-	for (j = 0; j < NVOBJ_ENGINE_NR; j++) {
-		if (dev_priv->eng[j] && dev_priv->eng[j]->set_tile_region)
-			dev_priv->eng[j]->set_tile_region(dev, i);
-	}
-
-	nv04_fifo_cache_pull(dev, true);
-	nv_wr32(dev, NV03_PFIFO_CACHES, 1);
-	spin_unlock_irqrestore(&dev_priv->context_switch_lock, save);
-}
-
-static struct nouveau_tile_reg *
-nv10_mem_get_tile_region(struct drm_device *dev, int i)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
-
-	spin_lock(&dev_priv->tile.lock);
-
-	if (!tile->used &&
-	    (!tile->fence || nouveau_fence_done(tile->fence)))
-		tile->used = true;
-	else
-		tile = NULL;
-
-	spin_unlock(&dev_priv->tile.lock);
-	return tile;
-}
-
-void
-nv10_mem_put_tile_region(struct drm_device *dev, struct nouveau_tile_reg *tile,
-			 struct nouveau_fence *fence)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-
-	if (tile) {
-		spin_lock(&dev_priv->tile.lock);
-		if (fence) {
-			/* Mark it as pending. */
-			tile->fence = fence;
-			nouveau_fence_ref(fence);
-		}
-
-		tile->used = false;
-		spin_unlock(&dev_priv->tile.lock);
-	}
-}
-
-struct nouveau_tile_reg *
-nv10_mem_set_tiling(struct drm_device *dev, uint32_t addr, uint32_t size,
-		    uint32_t pitch, uint32_t flags)
-{
-	struct nouveau_tile_reg *tile, *found = NULL;
-	int i;
-
-	for (i = 0; i < nvfb_tile_nr(dev); i++) {
-		tile = nv10_mem_get_tile_region(dev, i);
-
-		if (pitch && !found) {
-			found = tile;
-			continue;
-
-		} else if (tile && nvfb_tile(dev, i)->pitch) {
-			/* Kill an unused tile region. */
-			nv10_mem_update_tile_region(dev, tile, 0, 0, 0, 0);
-		}
-
-		nv10_mem_put_tile_region(dev, tile, NULL);
-	}
-
-	if (found)
-		nv10_mem_update_tile_region(dev, found, addr, size,
-					    pitch, flags);
-	return found;
-}
-
-/*
  * Cleanup everything
  */
 void
@@ -897,231 +793,3 @@ nouveau_mem_vbios_type(struct drm_device *dev)
 	}
 	return NV_MEM_TYPE_UNKNOWN;
 }
-
-static int
-nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
-{
-	/* nothing to do */
-	return 0;
-}
-
-static int
-nouveau_vram_manager_fini(struct ttm_mem_type_manager *man)
-{
-	/* nothing to do */
-	return 0;
-}
-
-static inline void
-nouveau_mem_node_cleanup(struct nouveau_mem *node)
-{
-	if (node->vma[0].node) {
-		nouveau_vm_unmap(&node->vma[0]);
-		nouveau_vm_put(&node->vma[0]);
-	}
-
-	if (node->vma[1].node) {
-		nouveau_vm_unmap(&node->vma[1]);
-		nouveau_vm_put(&node->vma[1]);
-	}
-}
-
-static void
-nouveau_vram_manager_del(struct ttm_mem_type_manager *man,
-			 struct ttm_mem_reg *mem)
-{
-	struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev);
-	struct drm_device *dev = dev_priv->dev;
-
-	nouveau_mem_node_cleanup(mem->mm_node);
-	nvfb_vram_put(dev, (struct nouveau_mem **)&mem->mm_node);
-}
-
-static int
-nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
-			 struct ttm_buffer_object *bo,
-			 struct ttm_placement *placement,
-			 struct ttm_mem_reg *mem)
-{
-	struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev);
-	struct drm_device *dev = dev_priv->dev;
-	struct nouveau_bo *nvbo = nouveau_bo(bo);
-	struct nouveau_mem *node;
-	u32 size_nc = 0;
-	int ret;
-
-	if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG)
-		size_nc = 1 << nvbo->page_shift;
-
-	ret = nvfb_vram_get(dev, mem->num_pages << PAGE_SHIFT,
-			mem->page_alignment << PAGE_SHIFT, size_nc,
-			(nvbo->tile_flags >> 8) & 0x3ff, &node);
-	if (ret) {
-		mem->mm_node = NULL;
-		return (ret == -ENOSPC) ? 0 : ret;
-	}
-
-	node->page_shift = nvbo->page_shift;
-
-	mem->mm_node = node;
-	mem->start   = node->offset >> PAGE_SHIFT;
-	return 0;
-}
-
-void
-nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
-{
-	struct nouveau_mm *mm = man->priv;
-	struct nouveau_mm_node *r;
-	u32 total = 0, free = 0;
-
-	mutex_lock(&mm->mutex);
-	list_for_each_entry(r, &mm->nodes, nl_entry) {
-		printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n",
-		       prefix, r->type, ((u64)r->offset << 12),
-		       (((u64)r->offset + r->length) << 12));
-
-		total += r->length;
-		if (!r->type)
-			free += r->length;
-	}
-	mutex_unlock(&mm->mutex);
-
-	printk(KERN_DEBUG "%s  total: 0x%010llx free: 0x%010llx\n",
-	       prefix, (u64)total << 12, (u64)free << 12);
-	printk(KERN_DEBUG "%s  block: 0x%08x\n",
-	       prefix, mm->block_size << 12);
-}
-
-const struct ttm_mem_type_manager_func nouveau_vram_manager = {
-	nouveau_vram_manager_init,
-	nouveau_vram_manager_fini,
-	nouveau_vram_manager_new,
-	nouveau_vram_manager_del,
-	nouveau_vram_manager_debug
-};
-
-static int
-nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
-{
-	return 0;
-}
-
-static int
-nouveau_gart_manager_fini(struct ttm_mem_type_manager *man)
-{
-	return 0;
-}
-
-static void
-nouveau_gart_manager_del(struct ttm_mem_type_manager *man,
-			 struct ttm_mem_reg *mem)
-{
-	nouveau_mem_node_cleanup(mem->mm_node);
-	kfree(mem->mm_node);
-	mem->mm_node = NULL;
-}
-
-static int
-nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
-			 struct ttm_buffer_object *bo,
-			 struct ttm_placement *placement,
-			 struct ttm_mem_reg *mem)
-{
-	struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
-	struct nouveau_mem *node;
-
-	if (unlikely((mem->num_pages << PAGE_SHIFT) >=
-		     dev_priv->gart_info.aper_size))
-		return -ENOMEM;
-
-	node = kzalloc(sizeof(*node), GFP_KERNEL);
-	if (!node)
-		return -ENOMEM;
-	node->page_shift = 12;
-
-	mem->mm_node = node;
-	mem->start   = 0;
-	return 0;
-}
-
-void
-nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
-{
-}
-
-const struct ttm_mem_type_manager_func nouveau_gart_manager = {
-	nouveau_gart_manager_init,
-	nouveau_gart_manager_fini,
-	nouveau_gart_manager_new,
-	nouveau_gart_manager_del,
-	nouveau_gart_manager_debug
-};
-
-static int
-nv04_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
-{
-	struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev);
-	struct drm_device *dev = dev_priv->dev;
-	man->priv = nv04vm_ref(dev);
-	return (man->priv != NULL) ? 0 : -ENODEV;
-}
-
-static int
-nv04_gart_manager_fini(struct ttm_mem_type_manager *man)
-{
-	struct nouveau_vm *vm = man->priv;
-	nouveau_vm_ref(NULL, &vm, NULL);
-	man->priv = NULL;
-	return 0;
-}
-
-static void
-nv04_gart_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem)
-{
-	struct nouveau_mem *node = mem->mm_node;
-	if (node->vma[0].node)
-		nouveau_vm_put(&node->vma[0]);
-	kfree(mem->mm_node);
-	mem->mm_node = NULL;
-}
-
-static int
-nv04_gart_manager_new(struct ttm_mem_type_manager *man,
-		      struct ttm_buffer_object *bo,
-		      struct ttm_placement *placement,
-		      struct ttm_mem_reg *mem)
-{
-	struct nouveau_mem *node;
-	int ret;
-
-	node = kzalloc(sizeof(*node), GFP_KERNEL);
-	if (!node)
-		return -ENOMEM;
-
-	node->page_shift = 12;
-
-	ret = nouveau_vm_get(man->priv, mem->num_pages << 12, node->page_shift,
-			     NV_MEM_ACCESS_RW, &node->vma[0]);
-	if (ret) {
-		kfree(node);
-		return ret;
-	}
-
-	mem->mm_node = node;
-	mem->start   = node->vma[0].offset >> PAGE_SHIFT;
-	return 0;
-}
-
-void
-nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
-{
-}
-
-const struct ttm_mem_type_manager_func nv04_gart_manager = {
-	nv04_gart_manager_init,
-	nv04_gart_manager_fini,
-	nv04_gart_manager_new,
-	nv04_gart_manager_del,
-	nv04_gart_manager_debug
-};
diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c
index bd35f930568c..e729535e9b26 100644
--- a/drivers/gpu/drm/nouveau/nouveau_ttm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c
@@ -28,6 +28,234 @@
 
 #include "nouveau_drv.h"
 
+static int
+nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
+{
+	/* nothing to do */
+	return 0;
+}
+
+static int
+nouveau_vram_manager_fini(struct ttm_mem_type_manager *man)
+{
+	/* nothing to do */
+	return 0;
+}
+
+static inline void
+nouveau_mem_node_cleanup(struct nouveau_mem *node)
+{
+	if (node->vma[0].node) {
+		nouveau_vm_unmap(&node->vma[0]);
+		nouveau_vm_put(&node->vma[0]);
+	}
+
+	if (node->vma[1].node) {
+		nouveau_vm_unmap(&node->vma[1]);
+		nouveau_vm_put(&node->vma[1]);
+	}
+}
+
+static void
+nouveau_vram_manager_del(struct ttm_mem_type_manager *man,
+			 struct ttm_mem_reg *mem)
+{
+	struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev);
+	struct drm_device *dev = dev_priv->dev;
+
+	nouveau_mem_node_cleanup(mem->mm_node);
+	nvfb_vram_put(dev, (struct nouveau_mem **)&mem->mm_node);
+}
+
+static int
+nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
+			 struct ttm_buffer_object *bo,
+			 struct ttm_placement *placement,
+			 struct ttm_mem_reg *mem)
+{
+	struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev);
+	struct drm_device *dev = dev_priv->dev;
+	struct nouveau_bo *nvbo = nouveau_bo(bo);
+	struct nouveau_mem *node;
+	u32 size_nc = 0;
+	int ret;
+
+	if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG)
+		size_nc = 1 << nvbo->page_shift;
+
+	ret = nvfb_vram_get(dev, mem->num_pages << PAGE_SHIFT,
+			mem->page_alignment << PAGE_SHIFT, size_nc,
+			(nvbo->tile_flags >> 8) & 0x3ff, &node);
+	if (ret) {
+		mem->mm_node = NULL;
+		return (ret == -ENOSPC) ? 0 : ret;
+	}
+
+	node->page_shift = nvbo->page_shift;
+
+	mem->mm_node = node;
+	mem->start   = node->offset >> PAGE_SHIFT;
+	return 0;
+}
+
+void
+nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
+{
+	struct nouveau_mm *mm = man->priv;
+	struct nouveau_mm_node *r;
+	u32 total = 0, free = 0;
+
+	mutex_lock(&mm->mutex);
+	list_for_each_entry(r, &mm->nodes, nl_entry) {
+		printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n",
+		       prefix, r->type, ((u64)r->offset << 12),
+		       (((u64)r->offset + r->length) << 12));
+
+		total += r->length;
+		if (!r->type)
+			free += r->length;
+	}
+	mutex_unlock(&mm->mutex);
+
+	printk(KERN_DEBUG "%s  total: 0x%010llx free: 0x%010llx\n",
+	       prefix, (u64)total << 12, (u64)free << 12);
+	printk(KERN_DEBUG "%s  block: 0x%08x\n",
+	       prefix, mm->block_size << 12);
+}
+
+const struct ttm_mem_type_manager_func nouveau_vram_manager = {
+	nouveau_vram_manager_init,
+	nouveau_vram_manager_fini,
+	nouveau_vram_manager_new,
+	nouveau_vram_manager_del,
+	nouveau_vram_manager_debug
+};
+
+static int
+nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
+{
+	return 0;
+}
+
+static int
+nouveau_gart_manager_fini(struct ttm_mem_type_manager *man)
+{
+	return 0;
+}
+
+static void
+nouveau_gart_manager_del(struct ttm_mem_type_manager *man,
+			 struct ttm_mem_reg *mem)
+{
+	nouveau_mem_node_cleanup(mem->mm_node);
+	kfree(mem->mm_node);
+	mem->mm_node = NULL;
+}
+
+static int
+nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
+			 struct ttm_buffer_object *bo,
+			 struct ttm_placement *placement,
+			 struct ttm_mem_reg *mem)
+{
+	struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
+	struct nouveau_mem *node;
+
+	if (unlikely((mem->num_pages << PAGE_SHIFT) >=
+		     dev_priv->gart_info.aper_size))
+		return -ENOMEM;
+
+	node = kzalloc(sizeof(*node), GFP_KERNEL);
+	if (!node)
+		return -ENOMEM;
+	node->page_shift = 12;
+
+	mem->mm_node = node;
+	mem->start   = 0;
+	return 0;
+}
+
+void
+nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
+{
+}
+
+const struct ttm_mem_type_manager_func nouveau_gart_manager = {
+	nouveau_gart_manager_init,
+	nouveau_gart_manager_fini,
+	nouveau_gart_manager_new,
+	nouveau_gart_manager_del,
+	nouveau_gart_manager_debug
+};
+
+static int
+nv04_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
+{
+	struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev);
+	struct drm_device *dev = dev_priv->dev;
+	man->priv = nv04vm_ref(dev);
+	return (man->priv != NULL) ? 0 : -ENODEV;
+}
+
+static int
+nv04_gart_manager_fini(struct ttm_mem_type_manager *man)
+{
+	struct nouveau_vm *vm = man->priv;
+	nouveau_vm_ref(NULL, &vm, NULL);
+	man->priv = NULL;
+	return 0;
+}
+
+static void
+nv04_gart_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem)
+{
+	struct nouveau_mem *node = mem->mm_node;
+	if (node->vma[0].node)
+		nouveau_vm_put(&node->vma[0]);
+	kfree(mem->mm_node);
+	mem->mm_node = NULL;
+}
+
+static int
+nv04_gart_manager_new(struct ttm_mem_type_manager *man,
+		      struct ttm_buffer_object *bo,
+		      struct ttm_placement *placement,
+		      struct ttm_mem_reg *mem)
+{
+	struct nouveau_mem *node;
+	int ret;
+
+	node = kzalloc(sizeof(*node), GFP_KERNEL);
+	if (!node)
+		return -ENOMEM;
+
+	node->page_shift = 12;
+
+	ret = nouveau_vm_get(man->priv, mem->num_pages << 12, node->page_shift,
+			     NV_MEM_ACCESS_RW, &node->vma[0]);
+	if (ret) {
+		kfree(node);
+		return ret;
+	}
+
+	mem->mm_node = node;
+	mem->start   = node->vma[0].offset >> PAGE_SHIFT;
+	return 0;
+}
+
+void
+nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
+{
+}
+
+const struct ttm_mem_type_manager_func nv04_gart_manager = {
+	nv04_gart_manager_init,
+	nv04_gart_manager_fini,
+	nv04_gart_manager_new,
+	nv04_gart_manager_del,
+	nv04_gart_manager_debug
+};
+
 int
 nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma)
 {
@@ -100,4 +328,3 @@ nouveau_ttm_global_release(struct drm_nouveau_private *dev_priv)
 	drm_global_item_unref(&dev_priv->ttm.mem_global_ref);
 	dev_priv->ttm.mem_global_ref.release = NULL;
 }
-