diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
index 68043a40..9a86ae3 100644
--- a/drivers/gpu/drm/nouveau/Makefile
+++ b/drivers/gpu/drm/nouveau/Makefile
@@ -9,6 +9,7 @@
 nouveau-y := core/core/client.o
 nouveau-y += core/core/engine.o
 nouveau-y += core/core/enum.o
+nouveau-y += core/core/gpuobj.o
 nouveau-y += core/core/handle.o
 nouveau-y += core/core/mm.o
 nouveau-y += core/core/namedb.o
@@ -19,6 +20,9 @@
 nouveau-y += core/core/ramht.o
 nouveau-y += core/core/subdev.o
 
+nouveau-y += core/subdev/bar/base.o
+nouveau-y += core/subdev/bar/nv50.o
+nouveau-y += core/subdev/bar/nvc0.o
 nouveau-y += core/subdev/bios/base.o
 nouveau-y += core/subdev/bios/bit.o
 nouveau-y += core/subdev/bios/conn.o
@@ -66,10 +70,10 @@
 nouveau-y += core/subdev/i2c/base.o
 nouveau-y += core/subdev/i2c/aux.o
 nouveau-y += core/subdev/i2c/bit.o
+nouveau-y += core/subdev/instmem/base.o
 nouveau-y += core/subdev/instmem/nv04.o
 nouveau-y += core/subdev/instmem/nv40.o
 nouveau-y += core/subdev/instmem/nv50.o
-nouveau-y += core/subdev/instmem/nvc0.o
 nouveau-y += core/subdev/ltcg/nvc0.o
 nouveau-y += core/subdev/mc/base.o
 nouveau-y += core/subdev/mc/nv04.o
@@ -80,6 +84,9 @@
 nouveau-y += core/subdev/timer/base.o
 nouveau-y += core/subdev/timer/nv04.o
 nouveau-y += core/subdev/vm/base.o
+nouveau-y += core/subdev/vm/nv04.o
+nouveau-y += core/subdev/vm/nv41.o
+nouveau-y += core/subdev/vm/nv44.o
 nouveau-y += core/subdev/vm/nv50.o
 nouveau-y += core/subdev/vm/nvc0.o
 
diff --git a/drivers/gpu/drm/nouveau/core/core/ramht.c b/drivers/gpu/drm/nouveau/core/core/ramht.c
index 59c1619..5c22864 100644
--- a/drivers/gpu/drm/nouveau/core/core/ramht.c
+++ b/drivers/gpu/drm/nouveau/core/core/ramht.c
@@ -86,7 +86,6 @@
 {
 	struct drm_device *dev = chan->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem;
 	struct nouveau_ramht_entry *entry;
 	struct nouveau_gpuobj *ramht = chan->ramht->gpuobj;
 	unsigned long flags;
@@ -104,21 +103,21 @@
 	nouveau_gpuobj_ref(gpuobj, &entry->gpuobj);
 
 	if (dev_priv->card_type < NV_40) {
-		ctx = NV_RAMHT_CONTEXT_VALID | (gpuobj->pinst >> 4) |
+		ctx = NV_RAMHT_CONTEXT_VALID | (gpuobj->addr >> 4) |
 		      (chan->id << NV_RAMHT_CONTEXT_CHANNEL_SHIFT) |
 		      (gpuobj->engine << NV_RAMHT_CONTEXT_ENGINE_SHIFT);
 	} else
 	if (dev_priv->card_type < NV_50) {
-		ctx = (gpuobj->pinst >> 4) |
+		ctx = (gpuobj->addr >> 4) |
 		      (chan->id << NV40_RAMHT_CONTEXT_CHANNEL_SHIFT) |
 		      (gpuobj->engine << NV40_RAMHT_CONTEXT_ENGINE_SHIFT);
 	} else {
 		if (gpuobj->engine == NVOBJ_ENGINE_DISPLAY) {
-			ctx = (gpuobj->cinst << 10) |
+			ctx = (gpuobj->node->offset << 10) |
 			      (chan->id << 28) |
 			      chan->id; /* HASH_TAG */
 		} else {
-			ctx = (gpuobj->cinst >> 4) |
+			ctx = (gpuobj->node->offset >> 4) |
 			      ((gpuobj->engine <<
 				NV40_RAMHT_CONTEXT_ENGINE_SHIFT));
 		}
@@ -137,7 +136,7 @@
 			nv_wo32(ramht, co + 4, ctx);
 
 			spin_unlock_irqrestore(&chan->ramht->lock, flags);
-			instmem->flush(dev);
+			nvimem_flush(dev);
 			return 0;
 		}
 		NV_DEBUG(dev, "collision ch%d 0x%08x: h=0x%08x\n",
@@ -184,8 +183,6 @@
 nouveau_ramht_remove_hash(struct nouveau_channel *chan, u32 handle)
 {
 	struct drm_device *dev = chan->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem;
 	struct nouveau_gpuobj *ramht = chan->ramht->gpuobj;
 	unsigned long flags;
 	u32 co, ho;
@@ -201,7 +198,7 @@
 				 chan->id, co, handle, nv_ro32(ramht, co + 4));
 			nv_wo32(ramht, co + 0, 0x00000000);
 			nv_wo32(ramht, co + 4, 0x00000000);
-			instmem->flush(dev);
+			nvimem_flush(dev);
 			goto out;
 		}
 
diff --git a/drivers/gpu/drm/nouveau/core/engine/bsp/nv84.c b/drivers/gpu/drm/nouveau/core/engine/bsp/nv84.c
index db3b573..4b80931 100644
--- a/drivers/gpu/drm/nouveau/core/engine/bsp/nv84.c
+++ b/drivers/gpu/drm/nouveau/core/engine/bsp/nv84.c
@@ -25,7 +25,6 @@
 #include "drmP.h"
 #include "nouveau_drv.h"
 #include "nouveau_util.h"
-#include <subdev/vm.h>
 #include <core/ramht.h>
 
 /*XXX: This stub is currently used on NV98+ also, as soon as this becomes
diff --git a/drivers/gpu/drm/nouveau/core/engine/copy/nva3.c b/drivers/gpu/drm/nouveau/core/engine/copy/nva3.c
index fec5246..9150c5e 100644
--- a/drivers/gpu/drm/nouveau/core/engine/copy/nva3.c
+++ b/drivers/gpu/drm/nouveau/core/engine/copy/nva3.c
@@ -26,7 +26,6 @@
 #include "drmP.h"
 #include "nouveau_drv.h"
 #include "nouveau_util.h"
-#include <subdev/vm.h>
 #include <core/ramht.h>
 #include "fuc/nva3.fuc.h"
 
@@ -38,7 +37,6 @@
 nva3_copy_context_new(struct nouveau_channel *chan, int engine)
 {
 	struct drm_device *dev = chan->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_gpuobj *ramin = chan->ramin;
 	struct nouveau_gpuobj *ctx = NULL;
 	int ret;
@@ -51,14 +49,14 @@
 		return ret;
 
 	nv_wo32(ramin, 0xc0, 0x00190000);
-	nv_wo32(ramin, 0xc4, ctx->vinst + ctx->size - 1);
-	nv_wo32(ramin, 0xc8, ctx->vinst);
+	nv_wo32(ramin, 0xc4, ctx->addr + ctx->size - 1);
+	nv_wo32(ramin, 0xc8, ctx->addr);
 	nv_wo32(ramin, 0xcc, 0x00000000);
 	nv_wo32(ramin, 0xd0, 0x00000000);
 	nv_wo32(ramin, 0xd4, 0x00000000);
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 
-	atomic_inc(&chan->vm->engref[engine]);
+	nvvm_engref(chan->vm, engine, 1);
 	chan->engctx[engine] = ctx;
 	return 0;
 }
@@ -84,7 +82,7 @@
 	for (i = 0xc0; i <= 0xd4; i += 4)
 		nv_wo32(chan->ramin, i, 0x00000000);
 
-	atomic_dec(&chan->vm->engref[engine]);
+	nvvm_engref(chan->vm, engine, -1);
 	nouveau_gpuobj_ref(NULL, &ctx);
 	chan->engctx[engine] = ctx;
 }
diff --git a/drivers/gpu/drm/nouveau/core/engine/copy/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/copy/nvc0.c
index 926f21c..f39de5a 100644
--- a/drivers/gpu/drm/nouveau/core/engine/copy/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/copy/nvc0.c
@@ -26,7 +26,6 @@
 #include "drmP.h"
 #include "nouveau_drv.h"
 #include "nouveau_util.h"
-#include <subdev/vm.h>
 #include <core/ramht.h>
 #include "fuc/nvc0.fuc.h"
 
@@ -49,7 +48,6 @@
 	struct nvc0_copy_engine *pcopy = nv_engine(chan->dev, engine);
 	struct nvc0_copy_chan *cctx;
 	struct drm_device *dev = chan->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_gpuobj *ramin = chan->ramin;
 	int ret;
 
@@ -62,14 +60,14 @@
 	if (ret)
 		return ret;
 
-	ret = nouveau_gpuobj_map_vm(cctx->mem, NV_MEM_ACCESS_RW, chan->vm,
+	ret = nouveau_gpuobj_map_vm(cctx->mem, chan->vm, NV_MEM_ACCESS_RW,
 				   &cctx->vma);
 	if (ret)
 		return ret;
 
 	nv_wo32(ramin, pcopy->ctx + 0, lower_32_bits(cctx->vma.offset));
 	nv_wo32(ramin, pcopy->ctx + 4, upper_32_bits(cctx->vma.offset));
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 	return 0;
 }
 
@@ -88,7 +86,7 @@
 	struct drm_device *dev = chan->dev;
 	u32 inst;
 
-	inst  = (chan->ramin->vinst >> 12);
+	inst  = (chan->ramin->addr >> 12);
 	inst |= 0x40000000;
 
 	/* disable fifo access */
diff --git a/drivers/gpu/drm/nouveau/core/engine/crypt/nv84.c b/drivers/gpu/drm/nouveau/core/engine/crypt/nv84.c
index 3881389..63051ab 100644
--- a/drivers/gpu/drm/nouveau/core/engine/crypt/nv84.c
+++ b/drivers/gpu/drm/nouveau/core/engine/crypt/nv84.c
@@ -25,7 +25,6 @@
 #include "drmP.h"
 #include "nouveau_drv.h"
 #include "nouveau_util.h"
-#include <subdev/vm.h>
 #include <core/ramht.h>
 
 struct nv84_crypt_engine {
@@ -36,7 +35,6 @@
 nv84_crypt_context_new(struct nouveau_channel *chan, int engine)
 {
 	struct drm_device *dev = chan->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_gpuobj *ramin = chan->ramin;
 	struct nouveau_gpuobj *ctx;
 	int ret;
@@ -49,14 +47,14 @@
 		return ret;
 
 	nv_wo32(ramin, 0xa0, 0x00190000);
-	nv_wo32(ramin, 0xa4, ctx->vinst + ctx->size - 1);
-	nv_wo32(ramin, 0xa8, ctx->vinst);
+	nv_wo32(ramin, 0xa4, ctx->addr + ctx->size - 1);
+	nv_wo32(ramin, 0xa8, ctx->addr);
 	nv_wo32(ramin, 0xac, 0);
 	nv_wo32(ramin, 0xb0, 0);
 	nv_wo32(ramin, 0xb4, 0);
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 
-	atomic_inc(&chan->vm->engref[engine]);
+	nvvm_engref(chan->vm, engine, 1);
 	chan->engctx[engine] = ctx;
 	return 0;
 }
@@ -68,7 +66,7 @@
 	struct drm_device *dev = chan->dev;
 	u32 inst;
 
-	inst  = (chan->ramin->vinst >> 12);
+	inst  = (chan->ramin->addr >> 12);
 	inst |= 0x80000000;
 
 	/* mark context as invalid if still on the hardware, not
@@ -84,7 +82,7 @@
 
 	nouveau_gpuobj_ref(NULL, &ctx);
 
-	atomic_dec(&chan->vm->engref[engine]);
+	nvvm_engref(chan->vm, engine, -1);
 	chan->engctx[engine] = NULL;
 }
 
@@ -93,7 +91,6 @@
 		      u32 handle, u16 class)
 {
 	struct drm_device *dev = chan->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_gpuobj *obj = NULL;
 	int ret;
 
@@ -104,7 +101,7 @@
 	obj->class  = class;
 
 	nv_wo32(obj, 0x00, class);
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 
 	ret = nouveau_ramht_insert(chan, handle, obj);
 	nouveau_gpuobj_ref(NULL, &obj);
diff --git a/drivers/gpu/drm/nouveau/core/engine/crypt/nv98.c b/drivers/gpu/drm/nouveau/core/engine/crypt/nv98.c
index 563f60d..c9adc1b 100644
--- a/drivers/gpu/drm/nouveau/core/engine/crypt/nv98.c
+++ b/drivers/gpu/drm/nouveau/core/engine/crypt/nv98.c
@@ -26,7 +26,6 @@
 
 #include "nouveau_drv.h"
 #include "nouveau_util.h"
-#include <subdev/vm.h>
 #include <core/ramht.h>
 
 #include "fuc/nv98.fuc.h"
@@ -43,7 +42,6 @@
 nv98_crypt_context_new(struct nouveau_channel *chan, int engine)
 {
 	struct drm_device *dev = chan->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nv98_crypt_priv *priv = nv_engine(dev, engine);
 	struct nv98_crypt_chan *cctx;
 	int ret;
@@ -52,7 +50,7 @@
 	if (!cctx)
 		return -ENOMEM;
 
-	atomic_inc(&chan->vm->engref[engine]);
+	nvvm_engref(chan->vm, engine, 1);
 
 	ret = nouveau_gpuobj_new(dev, chan, 256, 0, NVOBJ_FLAG_ZERO_ALLOC |
 				 NVOBJ_FLAG_ZERO_FREE, &cctx->mem);
@@ -60,12 +58,12 @@
 		goto error;
 
 	nv_wo32(chan->ramin, 0xa0, 0x00190000);
-	nv_wo32(chan->ramin, 0xa4, cctx->mem->vinst + cctx->mem->size - 1);
-	nv_wo32(chan->ramin, 0xa8, cctx->mem->vinst);
+	nv_wo32(chan->ramin, 0xa4, cctx->mem->addr + cctx->mem->size - 1);
+	nv_wo32(chan->ramin, 0xa8, cctx->mem->addr);
 	nv_wo32(chan->ramin, 0xac, 0x00000000);
 	nv_wo32(chan->ramin, 0xb0, 0x00000000);
 	nv_wo32(chan->ramin, 0xb4, 0x00000000);
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 
 error:
 	if (ret)
@@ -84,7 +82,7 @@
 
 	nouveau_gpuobj_ref(NULL, &cctx->mem);
 
-	atomic_dec(&chan->vm->engref[engine]);
+	nvvm_engref(chan->vm, engine, -1);
 	chan->engctx[engine] = NULL;
 	kfree(cctx);
 }
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv04.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv04.c
index ba76cf0..6ab7eb0 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv04.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv04.c
@@ -32,8 +32,6 @@
 #include <core/ramht.h>
 #include "nouveau_software.h"
 
-#include <core/subdev/instmem/nv04.h>
-
 static struct ramfc_desc {
 	unsigned bits:6;
 	unsigned ctxs:5;
@@ -120,7 +118,7 @@
 	/* initialise default fifo context */
 	nv_wo32(priv->ramfc, fctx->ramfc + 0x00, chan->pushbuf_base);
 	nv_wo32(priv->ramfc, fctx->ramfc + 0x04, chan->pushbuf_base);
-	nv_wo32(priv->ramfc, fctx->ramfc + 0x08, chan->pushbuf->pinst >> 4);
+	nv_wo32(priv->ramfc, fctx->ramfc + 0x08, chan->pushbuf->addr >> 4);
 	nv_wo32(priv->ramfc, fctx->ramfc + 0x10,
 			     NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
 			     NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
@@ -203,9 +201,9 @@
 
 	nv_wr32(dev, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
 				       ((dev_priv->ramht->bits - 9) << 16) |
-				       (dev_priv->ramht->gpuobj->pinst >> 8));
-	nv_wr32(dev, NV03_PFIFO_RAMRO, priv->ramro->pinst >> 8);
-	nv_wr32(dev, NV03_PFIFO_RAMFC, priv->ramfc->pinst >> 8);
+				       (dev_priv->ramht->gpuobj->addr >> 8));
+	nv_wr32(dev, NV03_PFIFO_RAMRO, priv->ramro->addr >> 8);
+	nv_wr32(dev, NV03_PFIFO_RAMFC, priv->ramfc->addr >> 8);
 
 	nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, priv->base.channels);
 
@@ -486,15 +484,14 @@
 nv04_fifo_create(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nv04_instmem_priv *imem = dev_priv->engine.instmem.priv;
 	struct nv04_fifo_priv *priv;
 
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
-	nouveau_gpuobj_ref(imem->ramro, &priv->ramro);
-	nouveau_gpuobj_ref(imem->ramfc, &priv->ramfc);
+	nouveau_gpuobj_ref(nvimem_ramro(dev), &priv->ramro);
+	nouveau_gpuobj_ref(nvimem_ramfc(dev), &priv->ramfc);
 
 	priv->base.base.destroy = nv04_fifo_destroy;
 	priv->base.base.init = nv04_fifo_init;
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv10.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv10.c
index 0da287c..2d38fa8 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv10.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv10.c
@@ -31,8 +31,6 @@
 #include "nouveau_util.h"
 #include <core/ramht.h>
 
-#include <core/subdev/instmem/nv04.h>
-
 static struct ramfc_desc {
 	unsigned bits:6;
 	unsigned ctxs:5;
@@ -91,7 +89,7 @@
 	/* initialise default fifo context */
 	nv_wo32(priv->ramfc, fctx->ramfc + 0x00, chan->pushbuf_base);
 	nv_wo32(priv->ramfc, fctx->ramfc + 0x04, chan->pushbuf_base);
-	nv_wo32(priv->ramfc, fctx->ramfc + 0x0c, chan->pushbuf->pinst >> 4);
+	nv_wo32(priv->ramfc, fctx->ramfc + 0x0c, chan->pushbuf->addr >> 4);
 	nv_wo32(priv->ramfc, fctx->ramfc + 0x14,
 			     NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
 			     NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
@@ -115,15 +113,14 @@
 nv10_fifo_create(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nv04_instmem_priv *imem = dev_priv->engine.instmem.priv;
 	struct nv10_fifo_priv *priv;
 
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
-	nouveau_gpuobj_ref(imem->ramro, &priv->ramro);
-	nouveau_gpuobj_ref(imem->ramfc, &priv->ramfc);
+	nouveau_gpuobj_ref(nvimem_ramro(dev), &priv->ramro);
+	nouveau_gpuobj_ref(nvimem_ramfc(dev), &priv->ramfc);
 
 	priv->base.base.destroy = nv04_fifo_destroy;
 	priv->base.base.init = nv04_fifo_init;
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv17.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv17.c
index 99b88e0..2f700a15e 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv17.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv17.c
@@ -31,8 +31,6 @@
 #include "nouveau_util.h"
 #include <core/ramht.h>
 
-#include <core/subdev/instmem/nv04.h>
-
 static struct ramfc_desc {
 	unsigned bits:6;
 	unsigned ctxs:5;
@@ -96,7 +94,7 @@
 	/* initialise default fifo context */
 	nv_wo32(priv->ramfc, fctx->ramfc + 0x00, chan->pushbuf_base);
 	nv_wo32(priv->ramfc, fctx->ramfc + 0x04, chan->pushbuf_base);
-	nv_wo32(priv->ramfc, fctx->ramfc + 0x0c, chan->pushbuf->pinst >> 4);
+	nv_wo32(priv->ramfc, fctx->ramfc + 0x0c, chan->pushbuf->addr >> 4);
 	nv_wo32(priv->ramfc, fctx->ramfc + 0x14,
 			     NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
 			     NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
@@ -131,10 +129,10 @@
 
 	nv_wr32(dev, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
 				       ((dev_priv->ramht->bits - 9) << 16) |
-				       (dev_priv->ramht->gpuobj->pinst >> 8));
-	nv_wr32(dev, NV03_PFIFO_RAMRO, priv->ramro->pinst >> 8);
+				       (dev_priv->ramht->gpuobj->addr >> 8));
+	nv_wr32(dev, NV03_PFIFO_RAMRO, priv->ramro->addr >> 8);
 	nv_wr32(dev, NV03_PFIFO_RAMFC, 0x00010000 |
-				       priv->ramfc->pinst >> 8);
+				       priv->ramfc->addr >> 8);
 
 	nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, priv->base.channels);
 
@@ -157,15 +155,14 @@
 nv17_fifo_create(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nv04_instmem_priv *imem = dev_priv->engine.instmem.priv;
 	struct nv17_fifo_priv *priv;
 
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
-	nouveau_gpuobj_ref(imem->ramro, &priv->ramro);
-	nouveau_gpuobj_ref(imem->ramfc, &priv->ramfc);
+	nouveau_gpuobj_ref(nvimem_ramro(dev), &priv->ramro);
+	nouveau_gpuobj_ref(nvimem_ramfc(dev), &priv->ramfc);
 
 	priv->base.base.destroy = nv04_fifo_destroy;
 	priv->base.base.init = nv17_fifo_init;
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv40.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv40.c
index df53b9f..65a670f 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv40.c
@@ -31,8 +31,6 @@
 #include "nouveau_util.h"
 #include <core/ramht.h>
 
-#include <core/subdev/instmem/nv04.h>
-
 static struct ramfc_desc {
 	unsigned bits:6;
 	unsigned ctxs:5;
@@ -104,7 +102,7 @@
 	/* initialise default fifo context */
 	nv_wo32(priv->ramfc, fctx->ramfc + 0x00, chan->pushbuf_base);
 	nv_wo32(priv->ramfc, fctx->ramfc + 0x04, chan->pushbuf_base);
-	nv_wo32(priv->ramfc, fctx->ramfc + 0x0c, chan->pushbuf->pinst >> 4);
+	nv_wo32(priv->ramfc, fctx->ramfc + 0x0c, chan->pushbuf->addr >> 4);
 	nv_wo32(priv->ramfc, fctx->ramfc + 0x18, 0x30000000 |
 			     NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
 			     NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
@@ -144,8 +142,8 @@
 
 	nv_wr32(dev, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
 				       ((dev_priv->ramht->bits - 9) << 16) |
-				       (dev_priv->ramht->gpuobj->pinst >> 8));
-	nv_wr32(dev, NV03_PFIFO_RAMRO, priv->ramro->pinst >> 8);
+				       (dev_priv->ramht->gpuobj->addr >> 8));
+	nv_wr32(dev, NV03_PFIFO_RAMRO, priv->ramro->addr >> 8);
 
 	switch (dev_priv->chipset) {
 	case 0x47:
@@ -163,7 +161,7 @@
 	default:
 		nv_wr32(dev, 0x002230, 0x00000000);
 		nv_wr32(dev, 0x002220, ((nvfb_vram_size(dev) - 512 * 1024 +
-					 priv->ramfc->pinst) >> 16) |
+					 priv->ramfc->addr) >> 16) |
 				       0x00030000);
 		break;
 	}
@@ -189,15 +187,14 @@
 nv40_fifo_create(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nv04_instmem_priv *imem = dev_priv->engine.instmem.priv;
 	struct nv40_fifo_priv *priv;
 
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
-	nouveau_gpuobj_ref(imem->ramro, &priv->ramro);
-	nouveau_gpuobj_ref(imem->ramfc, &priv->ramfc);
+	nouveau_gpuobj_ref(nvimem_ramro(dev), &priv->ramro);
+	nouveau_gpuobj_ref(nvimem_ramfc(dev), &priv->ramfc);
 
 	priv->base.base.destroy = nv04_fifo_destroy;
 	priv->base.base.init = nv40_fifo_init;
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
index 2309871..7b5b159 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
@@ -29,7 +29,6 @@
 #include "nouveau_drv.h"
 #include <engine/fifo.h>
 #include <core/ramht.h>
-#include <subdev/vm.h>
 
 struct nv50_fifo_priv {
 	struct nouveau_fifo_priv base;
@@ -45,7 +44,6 @@
 nv50_fifo_playlist_update(struct drm_device *dev)
 {
 	struct nv50_fifo_priv *priv = nv_engine(dev, NVOBJ_ENGINE_FIFO);
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_gpuobj *cur;
 	int i, p;
 
@@ -57,9 +55,9 @@
 			nv_wo32(cur, p++ * 4, i);
 	}
 
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 
-	nv_wr32(dev, 0x0032f4, cur->vinst >> 12);
+	nv_wr32(dev, 0x0032f4, cur->addr >> 12);
 	nv_wr32(dev, 0x0032ec, p);
 	nv_wr32(dev, 0x002500, 0x00000101);
 }
@@ -72,14 +70,14 @@
 	struct drm_device *dev = chan->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	u64 ib_offset = chan->pushbuf_base + chan->dma.ib_base * 4;
-	u64 instance = chan->ramin->vinst >> 12;
+	u64 instance = chan->ramin->addr >> 12;
 	unsigned long flags;
 	int ret = 0, i;
 
 	fctx = chan->engctx[engine] = kzalloc(sizeof(*fctx), GFP_KERNEL);
 	if (!fctx)
 		return -ENOMEM;
-	atomic_inc(&chan->vm->engref[engine]);
+	nvvm_engref(chan->vm, engine, 1);
 
 	chan->user = ioremap(pci_resource_start(dev->pdev, 0) +
 			     NV50_USER(chan->id), PAGE_SIZE);
@@ -93,7 +91,7 @@
 	nv_wo32(chan->ramin, 0x3c, 0x403f6078);
 	nv_wo32(chan->ramin, 0x40, 0x00000000);
 	nv_wo32(chan->ramin, 0x44, 0x01003fff);
-	nv_wo32(chan->ramin, 0x48, chan->pushbuf->cinst >> 4);
+	nv_wo32(chan->ramin, 0x48, chan->pushbuf->node->offset >> 4);
 	nv_wo32(chan->ramin, 0x50, lower_32_bits(ib_offset));
 	nv_wo32(chan->ramin, 0x54, upper_32_bits(ib_offset) |
 				   drm_order(chan->dma.ib_max + 1) << 16);
@@ -102,9 +100,9 @@
 	nv_wo32(chan->ramin, 0x7c, 0x30000001);
 	nv_wo32(chan->ramin, 0x80, ((chan->ramht->bits - 9) << 27) |
 				   (4 << 24) /* SEARCH_FULL */ |
-				   (chan->ramht->gpuobj->cinst >> 4));
+				   (chan->ramht->gpuobj->node->offset >> 4));
 
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 
 	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
 	nv_wr32(dev, 0x002600 + (chan->id * 4), 0x80000000 | instance);
@@ -141,7 +139,7 @@
 	me = nv_mask(dev, 0x00b860, 0x00000001, 0x00000001);
 
 	/* do the kickoff... */
-	nv_wr32(dev, 0x0032fc, chan->ramin->vinst >> 12);
+	nv_wr32(dev, 0x0032fc, chan->ramin->addr >> 12);
 	if (!nv_wait_ne(dev, 0x0032fc, 0xffffffff, 0xffffffff)) {
 		NV_INFO(dev, "PFIFO: channel %d unload timeout\n", chan->id);
 		done = false;
@@ -177,7 +175,7 @@
 		chan->user = NULL;
 	}
 
-	atomic_dec(&chan->vm->engref[engine]);
+	nvvm_engref(chan->vm, engine, -1);
 	chan->engctx[engine] = NULL;
 	kfree(fctx);
 }
@@ -200,7 +198,7 @@
 	for (i = 0; i < 128; i++) {
 		struct nouveau_channel *chan = dev_priv->channels.ptr[i];
 		if (chan && chan->engctx[engine])
-			instance = 0x80000000 | chan->ramin->vinst >> 12;
+			instance = 0x80000000 | chan->ramin->addr >> 12;
 		else
 			instance = 0x00000000;
 		nv_wr32(dev, 0x002600 + (i * 4), instance);
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c
index f505d1e..63a4941 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c
@@ -29,7 +29,6 @@
 #include "nouveau_drv.h"
 #include <engine/fifo.h>
 #include <core/ramht.h>
-#include <subdev/vm.h>
 
 struct nv84_fifo_priv {
 	struct nouveau_fifo_priv base;
@@ -58,7 +57,7 @@
 	fctx = chan->engctx[engine] = kzalloc(sizeof(*fctx), GFP_KERNEL);
 	if (!fctx)
 		return -ENOMEM;
-	atomic_inc(&chan->vm->engref[engine]);
+	nvvm_engref(chan->vm, engine, 1);
 
 	chan->user = ioremap(pci_resource_start(dev->pdev, 0) +
 			     NV50_USER(chan->id), PAGE_SIZE);
@@ -72,7 +71,7 @@
 	if (ret)
 		goto error;
 
-	instance = fctx->ramfc->vinst >> 8;
+	instance = fctx->ramfc->addr >> 8;
 
 	ret = nouveau_gpuobj_new(dev, chan, 4096, 1024, 0, &fctx->cache);
 	if (ret)
@@ -81,7 +80,7 @@
 	nv_wo32(fctx->ramfc, 0x3c, 0x403f6078);
 	nv_wo32(fctx->ramfc, 0x40, 0x00000000);
 	nv_wo32(fctx->ramfc, 0x44, 0x01003fff);
-	nv_wo32(fctx->ramfc, 0x48, chan->pushbuf->cinst >> 4);
+	nv_wo32(fctx->ramfc, 0x48, chan->pushbuf->node->offset >> 4);
 	nv_wo32(fctx->ramfc, 0x50, lower_32_bits(ib_offset));
 	nv_wo32(fctx->ramfc, 0x54, upper_32_bits(ib_offset) |
 				   drm_order(chan->dma.ib_max + 1) << 16);
@@ -90,14 +89,14 @@
 	nv_wo32(fctx->ramfc, 0x7c, 0x30000001);
 	nv_wo32(fctx->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
 				   (4 << 24) /* SEARCH_FULL */ |
-				   (chan->ramht->gpuobj->cinst >> 4));
-	nv_wo32(fctx->ramfc, 0x88, fctx->cache->vinst >> 10);
-	nv_wo32(fctx->ramfc, 0x98, chan->ramin->vinst >> 12);
+				   (chan->ramht->gpuobj->node->offset >> 4));
+	nv_wo32(fctx->ramfc, 0x88, fctx->cache->addr >> 10);
+	nv_wo32(fctx->ramfc, 0x98, chan->ramin->addr >> 12);
 
 	nv_wo32(chan->ramin, 0x00, chan->id);
-	nv_wo32(chan->ramin, 0x04, fctx->ramfc->vinst >> 8);
+	nv_wo32(chan->ramin, 0x04, fctx->ramfc->addr >> 8);
 
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 
 	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
 	nv_wr32(dev, 0x002600 + (chan->id * 4), 0x80000000 | instance);
@@ -127,7 +126,7 @@
 	save = nv_mask(dev, 0x002520, 0x0000003f, 0x15);
 
 	/* tell any engines on this channel to unload their contexts */
-	nv_wr32(dev, 0x0032fc, chan->ramin->vinst >> 12);
+	nv_wr32(dev, 0x0032fc, chan->ramin->addr >> 12);
 	if (!nv_wait_ne(dev, 0x0032fc, 0xffffffff, 0xffffffff))
 		NV_INFO(dev, "PFIFO: channel %d unload timeout\n", chan->id);
 
@@ -145,7 +144,7 @@
 	nouveau_gpuobj_ref(NULL, &fctx->ramfc);
 	nouveau_gpuobj_ref(NULL, &fctx->cache);
 
-	atomic_dec(&chan->vm->engref[engine]);
+	nvvm_engref(chan->vm, engine, -1);
 	chan->engctx[engine] = NULL;
 	kfree(fctx);
 }
@@ -169,7 +168,7 @@
 	for (i = 0; i < 128; i++) {
 		struct nouveau_channel *chan = dev_priv->channels.ptr[i];
 		if (chan && (fctx = chan->engctx[engine]))
-			instance = 0x80000000 | fctx->ramfc->vinst >> 8;
+			instance = 0x80000000 | fctx->ramfc->addr >> 8;
 		else
 			instance = 0x00000000;
 		nv_wr32(dev, 0x002600 + (i * 4), instance);
@@ -200,7 +199,7 @@
 	for (i = 0; i < priv->base.channels; i++) {
 		struct nouveau_channel *chan = dev_priv->channels.ptr[i];
 		if (chan)
-			nv_wr32(dev, 0x0032fc, chan->ramin->vinst >> 12);
+			nv_wr32(dev, 0x0032fc, chan->ramin->addr >> 12);
 		if (!nv_wait_ne(dev, 0x0032fc, 0xffffffff, 0xffffffff)) {
 			NV_INFO(dev, "PFIFO: channel %d unload timeout\n", i);
 			return -EBUSY;
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
index f60221d..6535a99 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
@@ -48,8 +48,6 @@
 static void
 nvc0_fifo_playlist_update(struct drm_device *dev)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
 	struct nvc0_fifo_priv *priv = nv_engine(dev, NVOBJ_ENGINE_FIFO);
 	struct nouveau_gpuobj *cur;
 	int i, p;
@@ -64,9 +62,9 @@
 		nv_wo32(cur, p + 4, 0x00000004);
 		p += 8;
 	}
-	pinstmem->flush(dev);
+	nvimem_flush(dev);
 
-	nv_wr32(dev, 0x002270, cur->vinst >> 12);
+	nv_wr32(dev, 0x002270, cur->addr >> 12);
 	nv_wr32(dev, 0x002274, 0x01f00000 | (p >> 3));
 	if (!nv_wait(dev, 0x00227c, 0x00100000, 0x00000000))
 		NV_ERROR(dev, "PFIFO - playlist update failed\n");
@@ -76,11 +74,9 @@
 nvc0_fifo_context_new(struct nouveau_channel *chan, int engine)
 {
 	struct drm_device *dev = chan->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
 	struct nvc0_fifo_priv *priv = nv_engine(dev, engine);
 	struct nvc0_fifo_chan *fctx;
-	u64 usermem = priv->user.mem->vinst + chan->id * 0x1000;
+	u64 usermem = priv->user.mem->addr + chan->id * 0x1000;
 	u64 ib_virt = chan->pushbuf_base + chan->dma.ib_base * 4;
 	int ret, i;
 
@@ -115,10 +111,10 @@
 	nv_wo32(chan->ramin, 0xb8, 0xf8000000);
 	nv_wo32(chan->ramin, 0xf8, 0x10003080); /* 0x002310 */
 	nv_wo32(chan->ramin, 0xfc, 0x10000010); /* 0x002350 */
-	pinstmem->flush(dev);
+	nvimem_flush(dev);
 
 	nv_wr32(dev, 0x003000 + (chan->id * 8), 0xc0000000 |
-						(chan->ramin->vinst >> 12));
+						(chan->ramin->addr >> 12));
 	nv_wr32(dev, 0x003004 + (chan->id * 8), 0x001f0001);
 	nvc0_fifo_playlist_update(dev);
 
@@ -198,7 +194,7 @@
 			continue;
 
 		nv_wr32(dev, 0x003000 + (i * 8), 0xc0000000 |
-						 (chan->ramin->vinst >> 12));
+						 (chan->ramin->addr >> 12));
 		nv_wr32(dev, 0x003004 + (i * 8), 0x001f0001);
 	}
 	nvc0_fifo_playlist_update(dev);
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
index 1c06bde1..461fbf6 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
@@ -55,8 +55,6 @@
 static void
 nve0_fifo_playlist_update(struct drm_device *dev, u32 engine)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
 	struct nve0_fifo_priv *priv = nv_engine(dev, NVOBJ_ENGINE_FIFO);
 	struct nve0_fifo_engine *peng = &priv->engine[engine];
 	struct nouveau_gpuobj *cur;
@@ -84,9 +82,9 @@
 		nv_wo32(cur, p + 4, 0x00000000);
 		p += 8;
 	}
-	pinstmem->flush(dev);
+	nvimem_flush(dev);
 
-	nv_wr32(dev, 0x002270, cur->vinst >> 12);
+	nv_wr32(dev, 0x002270, cur->addr >> 12);
 	nv_wr32(dev, 0x002274, (engine << 20) | (p >> 3));
 	if (!nv_wait(dev, 0x002284 + (engine * 4), 0x00100000, 0x00000000))
 		NV_ERROR(dev, "PFIFO: playlist %d update timeout\n", engine);
@@ -96,11 +94,9 @@
 nve0_fifo_context_new(struct nouveau_channel *chan, int engine)
 {
 	struct drm_device *dev = chan->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
 	struct nve0_fifo_priv *priv = nv_engine(dev, engine);
 	struct nve0_fifo_chan *fctx;
-	u64 usermem = priv->user.mem->vinst + chan->id * 512;
+	u64 usermem = priv->user.mem->addr + chan->id * 512;
 	u64 ib_virt = chan->pushbuf_base + chan->dma.ib_base * 4;
 	int ret = 0, i;
 
@@ -135,10 +131,10 @@
 	nv_wo32(chan->ramin, 0xe8, chan->id);
 	nv_wo32(chan->ramin, 0xf8, 0x10003080); /* 0x002310 */
 	nv_wo32(chan->ramin, 0xfc, 0x10000010); /* 0x002350 */
-	pinstmem->flush(dev);
+	nvimem_flush(dev);
 
 	nv_wr32(dev, 0x800000 + (chan->id * 8), 0x80000000 |
-						(chan->ramin->vinst >> 12));
+						(chan->ramin->addr >> 12));
 	nv_mask(dev, 0x800004 + (chan->id * 8), 0x00000400, 0x00000400);
 	nve0_fifo_playlist_update(dev, fctx->engine);
 	nv_mask(dev, 0x800004 + (chan->id * 8), 0x00000400, 0x00000400);
@@ -207,7 +203,7 @@
 			continue;
 
 		nv_wr32(dev, 0x800000 + (i * 8), 0x80000000 |
-						 (chan->ramin->vinst >> 12));
+						 (chan->ramin->addr >> 12));
 		nv_mask(dev, 0x800004 + (i * 8), 0x00000400, 0x00000400);
 		nve0_fifo_playlist_update(dev, fctx->engine);
 		nv_mask(dev, 0x800004 + (i * 8), 0x00000400, 0x00000400);
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv20.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv20.c
index dd31156..0d874b8b 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv20.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv20.c
@@ -52,7 +52,7 @@
 		return 0;
 	grctx = chan->engctx[NVOBJ_ENGINE_GR];
 
-	nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_POINTER, grctx->pinst >> 4);
+	nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_POINTER, grctx->addr >> 4);
 	nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_XFER,
 		     NV20_PGRAPH_CHANNEL_CTX_XFER_SAVE);
 
@@ -437,7 +437,7 @@
 	/* CTX_USER */
 	nv_wo32(grctx, pgraph->grctx_user, (chan->id << 24) | 0x1);
 
-	nv_wo32(pgraph->ctxtab, chan->id * 4, grctx->pinst >> 4);
+	nv_wo32(pgraph->ctxtab, chan->id * 4, grctx->addr >> 4);
 	chan->engctx[engine] = grctx;
 	return 0;
 }
@@ -505,7 +505,7 @@
 	nv_wr32(dev, NV03_PMC_ENABLE,
 		nv_rd32(dev, NV03_PMC_ENABLE) |  NV_PMC_ENABLE_PGRAPH);
 
-	nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_TABLE, pgraph->ctxtab->pinst >> 4);
+	nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_TABLE, pgraph->ctxtab->addr >> 4);
 
 	nv20_graph_rdi(dev);
 
@@ -592,7 +592,7 @@
 	nv_wr32(dev, NV03_PMC_ENABLE,
 		nv_rd32(dev, NV03_PMC_ENABLE) |  NV_PMC_ENABLE_PGRAPH);
 
-	nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_TABLE, pgraph->ctxtab->pinst >> 4);
+	nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_TABLE, pgraph->ctxtab->addr >> 4);
 
 	nv_wr32(dev, NV03_PGRAPH_INTR   , 0xFFFFFFFF);
 	nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
index ab3af6d..466d215 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
@@ -52,16 +52,16 @@
 
 	/* Initialise default context values */
 	nv40_grctx_fill(dev, grctx);
-	nv_wo32(grctx, 0, grctx->vinst);
+	nv_wo32(grctx, 0, grctx->addr);
 
 	/* init grctx pointer in ramfc, and on PFIFO if channel is
 	 * already active there
 	 */
 	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
-	nv_wo32(chan->ramfc, 0x38, grctx->vinst >> 4);
+	nv_wo32(chan->ramfc, 0x38, grctx->addr >> 4);
 	nv_mask(dev, 0x002500, 0x00000001, 0x00000000);
 	if ((nv_rd32(dev, 0x003204) & 0x0000001f) == chan->id)
-		nv_wr32(dev, 0x0032e0, grctx->vinst >> 4);
+		nv_wr32(dev, 0x0032e0, grctx->addr >> 4);
 	nv_mask(dev, 0x002500, 0x00000001, 0x00000001);
 	spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
 
@@ -75,7 +75,7 @@
 	struct nouveau_gpuobj *grctx = chan->engctx[engine];
 	struct drm_device *dev = chan->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	u32 inst = 0x01000000 | (grctx->pinst >> 4);
+	u32 inst = 0x01000000 | (grctx->addr >> 4);
 	unsigned long flags;
 
 	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
@@ -357,7 +357,7 @@
 			continue;
 		grctx = dev_priv->channels.ptr[i]->engctx[NVOBJ_ENGINE_GR];
 
-		if (grctx && grctx->pinst == inst)
+		if (grctx && grctx->addr == inst)
 			break;
 	}
 	spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
index b2e9ad4..28932c4 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
@@ -30,7 +30,6 @@
 #include <engine/fifo.h>
 #include <core/ramht.h>
 #include "nouveau_dma.h"
-#include <subdev/vm.h>
 #include "nv50_evo.h"
 
 struct nv50_graph_engine {
@@ -155,18 +154,18 @@
 
 	hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
 	nv_wo32(ramin, hdr + 0x00, 0x00190002);
-	nv_wo32(ramin, hdr + 0x04, grctx->vinst + grctx->size - 1);
-	nv_wo32(ramin, hdr + 0x08, grctx->vinst);
+	nv_wo32(ramin, hdr + 0x04, grctx->addr + grctx->size - 1);
+	nv_wo32(ramin, hdr + 0x08, grctx->addr);
 	nv_wo32(ramin, hdr + 0x0c, 0);
 	nv_wo32(ramin, hdr + 0x10, 0);
 	nv_wo32(ramin, hdr + 0x14, 0x00010000);
 
 	nv50_grctx_fill(dev, grctx);
-	nv_wo32(grctx, 0x00000, chan->ramin->vinst >> 12);
+	nv_wo32(grctx, 0x00000, chan->ramin->addr >> 12);
 
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 
-	atomic_inc(&chan->vm->engref[NVOBJ_ENGINE_GR]);
+	nvvm_engref(chan->vm, engine, 1);
 	chan->engctx[NVOBJ_ENGINE_GR] = grctx;
 	return 0;
 }
@@ -181,9 +180,9 @@
 
 	for (i = hdr; i < hdr + 24; i += 4)
 		nv_wo32(chan->ramin, i, 0);
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 
-	atomic_dec(&chan->vm->engref[engine]);
+	nvvm_engref(chan->vm, engine, -1);
 	nouveau_gpuobj_ref(NULL, &grctx);
 	chan->engctx[engine] = NULL;
 }
@@ -193,7 +192,6 @@
 		      u32 handle, u16 class)
 {
 	struct drm_device *dev = chan->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_gpuobj *obj = NULL;
 	int ret;
 
@@ -207,7 +205,7 @@
 	nv_wo32(obj, 0x04, 0x00000000);
 	nv_wo32(obj, 0x08, 0x00000000);
 	nv_wo32(obj, 0x0c, 0x00000000);
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 
 	ret = nouveau_ramht_insert(chan, handle, obj);
 	nouveau_gpuobj_ref(NULL, &obj);
@@ -723,7 +721,7 @@
 		if (!chan || !chan->ramin)
 			continue;
 
-		if (inst == chan->ramin->vinst)
+		if (inst == chan->ramin->addr)
 			break;
 	}
 	spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
index 8d6eb89..b741b03 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
@@ -65,7 +65,7 @@
 	struct drm_device *dev = chan->dev;
 
 	nv_wr32(dev, 0x409840, 0x00000030);
-	nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->vinst >> 12);
+	nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->addr >> 12);
 	nv_wr32(dev, 0x409504, 0x00000003);
 	if (!nv_wait(dev, 0x409800, 0x00000010, 0x00000010))
 		NV_ERROR(dev, "PGRAPH: load_ctx timeout\n");
@@ -90,7 +90,6 @@
 static int
 nvc0_graph_construct_context(struct nouveau_channel *chan)
 {
-	struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
 	struct nvc0_graph_priv *priv = nv_engine(chan->dev, NVOBJ_ENGINE_GR);
 	struct nvc0_graph_chan *grch = chan->engctx[NVOBJ_ENGINE_GR];
 	struct drm_device *dev = chan->dev;
@@ -103,7 +102,7 @@
 
 	if (!nouveau_ctxfw) {
 		nv_wr32(dev, 0x409840, 0x80000000);
-		nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->vinst >> 12);
+		nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->addr >> 12);
 		nv_wr32(dev, 0x409504, 0x00000001);
 		if (!nv_wait(dev, 0x409800, 0x80000000, 0x80000000)) {
 			NV_ERROR(dev, "PGRAPH: HUB_SET_CHAN timeout\n");
@@ -118,7 +117,7 @@
 		nv_wo32(grch->grctx, 0x20, 0);
 		nv_wo32(grch->grctx, 0x28, 0);
 		nv_wo32(grch->grctx, 0x2c, 0);
-		dev_priv->engine.instmem.flush(dev);
+		nvimem_flush(dev);
 	}
 
 	ret = nvc0_grctx_generate(chan);
@@ -127,7 +126,7 @@
 
 	if (!nouveau_ctxfw) {
 		nv_wr32(dev, 0x409840, 0x80000000);
-		nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->vinst >> 12);
+		nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->addr >> 12);
 		nv_wr32(dev, 0x409504, 0x00000002);
 		if (!nv_wait(dev, 0x409800, 0x80000000, 0x80000000)) {
 			NV_ERROR(dev, "PGRAPH: HUB_CTX_SAVE timeout\n");
@@ -136,7 +135,7 @@
 			goto err;
 		}
 	} else {
-		ret = nvc0_graph_unload_context_to(dev, chan->ramin->vinst);
+		ret = nvc0_graph_unload_context_to(dev, chan->ramin->addr);
 		if (ret)
 			goto err;
 	}
@@ -165,8 +164,8 @@
 	if (ret)
 		return ret;
 
-	ret = nouveau_gpuobj_map_vm(grch->unk408004, NV_MEM_ACCESS_RW |
-				    NV_MEM_ACCESS_SYS, chan->vm,
+	ret = nouveau_gpuobj_map_vm(grch->unk408004, chan->vm,
+				    NV_MEM_ACCESS_RW | NV_MEM_ACCESS_SYS,
 				    &grch->unk408004_vma);
 	if (ret)
 		return ret;
@@ -175,8 +174,8 @@
 	if (ret)
 		return ret;
 
-	ret = nouveau_gpuobj_map_vm(grch->unk40800c, NV_MEM_ACCESS_RW |
-				    NV_MEM_ACCESS_SYS, chan->vm,
+	ret = nouveau_gpuobj_map_vm(grch->unk40800c, chan->vm,
+				    NV_MEM_ACCESS_RW | NV_MEM_ACCESS_SYS,
 				    &grch->unk40800c_vma);
 	if (ret)
 		return ret;
@@ -186,8 +185,8 @@
 	if (ret)
 		return ret;
 
-	ret = nouveau_gpuobj_map_vm(grch->unk418810, NV_MEM_ACCESS_RW,
-				    chan->vm, &grch->unk418810_vma);
+	ret = nouveau_gpuobj_map_vm(grch->unk418810, chan->vm,
+				    NV_MEM_ACCESS_RW, &grch->unk418810_vma);
 	if (ret)
 		return ret;
 
@@ -195,9 +194,8 @@
 	if (ret)
 		return ret;
 
-	ret = nouveau_gpuobj_map_vm(grch->mmio, NV_MEM_ACCESS_RW |
-				    NV_MEM_ACCESS_SYS, chan->vm,
-				    &grch->mmio_vma);
+	ret = nouveau_gpuobj_map_vm(grch->mmio, chan->vm, NV_MEM_ACCESS_RW |
+				    NV_MEM_ACCESS_SYS, &grch->mmio_vma);
 	if (ret)
 		return ret;
 
@@ -268,8 +266,6 @@
 nvc0_graph_context_new(struct nouveau_channel *chan, int engine)
 {
 	struct drm_device *dev = chan->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
 	struct nvc0_graph_priv *priv = nv_engine(dev, engine);
 	struct nvc0_graph_chan *grch;
 	struct nouveau_gpuobj *grctx;
@@ -285,9 +281,8 @@
 	if (ret)
 		goto error;
 
-	ret = nouveau_gpuobj_map_vm(grch->grctx, NV_MEM_ACCESS_RW |
-				    NV_MEM_ACCESS_SYS, chan->vm,
-				    &grch->grctx_vma);
+	ret = nouveau_gpuobj_map_vm(grch->grctx, chan->vm, NV_MEM_ACCESS_RW |
+				    NV_MEM_ACCESS_SYS, &grch->grctx_vma);
 	if (ret)
 		return ret;
 
@@ -299,7 +294,7 @@
 
 	nv_wo32(chan->ramin, 0x0210, lower_32_bits(grch->grctx_vma.offset) | 4);
 	nv_wo32(chan->ramin, 0x0214, upper_32_bits(grch->grctx_vma.offset));
-	pinstmem->flush(dev);
+	nvimem_flush(dev);
 
 	if (!priv->grctx_vals) {
 		ret = nvc0_graph_construct_context(chan);
@@ -324,7 +319,7 @@
 		nv_wo32(grctx, 0x28, 0);
 		nv_wo32(grctx, 0x2c, 0);
 	}
-	pinstmem->flush(dev);
+	nvimem_flush(dev);
 	return 0;
 
 error:
@@ -373,8 +368,8 @@
 	nv_wr32(dev, GPC_BCAST(0x08a4), 0x00000000);
 	for (i = 0; i < 4; i++)
 		nv_wr32(dev, GPC_BCAST(0x0888) + (i * 4), 0x00000000);
-	nv_wr32(dev, GPC_BCAST(0x08b4), priv->unk4188b4->vinst >> 8);
-	nv_wr32(dev, GPC_BCAST(0x08b8), priv->unk4188b8->vinst >> 8);
+	nv_wr32(dev, GPC_BCAST(0x08b4), priv->unk4188b4->addr >> 8);
+	nv_wr32(dev, GPC_BCAST(0x08b8), priv->unk4188b8->addr >> 8);
 }
 
 static void
@@ -662,7 +657,7 @@
 		if (!chan || !chan->ramin)
 			continue;
 
-		if (inst == chan->ramin->vinst)
+		if (inst == chan->ramin->addr)
 			break;
 	}
 	spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c
index 5f671a2..47bda63 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c
@@ -63,7 +63,7 @@
 	struct drm_device *dev = chan->dev;
 
 	nv_wr32(dev, 0x409840, 0x00000030);
-	nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->vinst >> 12);
+	nv_wr32(dev, 0x409500, 0x80000000 | chan->ramin->addr >> 12);
 	nv_wr32(dev, 0x409504, 0x00000003);
 	if (!nv_wait(dev, 0x409800, 0x00000010, 0x00000010))
 		NV_ERROR(dev, "PGRAPH: load_ctx timeout\n");
@@ -88,7 +88,6 @@
 static int
 nve0_graph_construct_context(struct nouveau_channel *chan)
 {
-	struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
 	struct nve0_graph_priv *priv = nv_engine(chan->dev, NVOBJ_ENGINE_GR);
 	struct nve0_graph_chan *grch = chan->engctx[NVOBJ_ENGINE_GR];
 	struct drm_device *dev = chan->dev;
@@ -105,13 +104,13 @@
 	nv_wo32(grch->grctx, 0x20, 0);
 	nv_wo32(grch->grctx, 0x28, 0);
 	nv_wo32(grch->grctx, 0x2c, 0);
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 
 	ret = nve0_grctx_generate(chan);
 	if (ret)
 		goto err;
 
-	ret = nve0_graph_unload_context_to(dev, chan->ramin->vinst);
+	ret = nve0_graph_unload_context_to(dev, chan->ramin->addr);
 	if (ret)
 		goto err;
 
@@ -141,8 +140,8 @@
 	if (ret)
 		return ret;
 
-	ret = nouveau_gpuobj_map_vm(grch->unk408004, NV_MEM_ACCESS_RW |
-				    NV_MEM_ACCESS_SYS, chan->vm,
+	ret = nouveau_gpuobj_map_vm(grch->unk408004, chan->vm,
+				    NV_MEM_ACCESS_RW | NV_MEM_ACCESS_SYS,
 				    &grch->unk408004_vma);
 	if (ret)
 		return ret;
@@ -151,8 +150,8 @@
 	if (ret)
 		return ret;
 
-	ret = nouveau_gpuobj_map_vm(grch->unk40800c, NV_MEM_ACCESS_RW |
-				    NV_MEM_ACCESS_SYS, chan->vm,
+	ret = nouveau_gpuobj_map_vm(grch->unk40800c, chan->vm,
+				    NV_MEM_ACCESS_RW | NV_MEM_ACCESS_SYS,
 				    &grch->unk40800c_vma);
 	if (ret)
 		return ret;
@@ -162,8 +161,8 @@
 	if (ret)
 		return ret;
 
-	ret = nouveau_gpuobj_map_vm(grch->unk418810, NV_MEM_ACCESS_RW,
-				    chan->vm, &grch->unk418810_vma);
+	ret = nouveau_gpuobj_map_vm(grch->unk418810, chan->vm,
+				    NV_MEM_ACCESS_RW, &grch->unk418810_vma);
 	if (ret)
 		return ret;
 
@@ -171,8 +170,8 @@
 	if (ret)
 		return ret;
 
-	ret = nouveau_gpuobj_map_vm(grch->mmio, NV_MEM_ACCESS_RW |
-				    NV_MEM_ACCESS_SYS, chan->vm,
+	ret = nouveau_gpuobj_map_vm(grch->mmio, chan->vm,
+				    NV_MEM_ACCESS_RW | NV_MEM_ACCESS_SYS,
 				    &grch->mmio_vma);
 	if (ret)
 		return ret;
@@ -221,8 +220,6 @@
 nve0_graph_context_new(struct nouveau_channel *chan, int engine)
 {
 	struct drm_device *dev = chan->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
 	struct nve0_graph_priv *priv = nv_engine(dev, engine);
 	struct nve0_graph_chan *grch;
 	struct nouveau_gpuobj *grctx;
@@ -238,9 +235,8 @@
 	if (ret)
 		goto error;
 
-	ret = nouveau_gpuobj_map_vm(grch->grctx, NV_MEM_ACCESS_RW |
-				    NV_MEM_ACCESS_SYS, chan->vm,
-				    &grch->grctx_vma);
+	ret = nouveau_gpuobj_map_vm(grch->grctx, chan->vm, NV_MEM_ACCESS_RW |
+				    NV_MEM_ACCESS_SYS, &grch->grctx_vma);
 	if (ret)
 		return ret;
 
@@ -252,7 +248,7 @@
 
 	nv_wo32(chan->ramin, 0x0210, lower_32_bits(grch->grctx_vma.offset) | 4);
 	nv_wo32(chan->ramin, 0x0214, upper_32_bits(grch->grctx_vma.offset));
-	pinstmem->flush(dev);
+	nvimem_flush(dev);
 
 	if (!priv->grctx_vals) {
 		ret = nve0_graph_construct_context(chan);
@@ -272,7 +268,7 @@
 	nv_wo32(grctx, 0x28, 0);
 	nv_wo32(grctx, 0x2c, 0);
 
-	pinstmem->flush(dev);
+	nvimem_flush(dev);
 	return 0;
 
 error:
@@ -321,8 +317,8 @@
 	nv_wr32(dev, GPC_BCAST(0x08a4), 0x00000000);
 	for (i = 0; i < 4; i++)
 		nv_wr32(dev, GPC_BCAST(0x0888) + (i * 4), 0x00000000);
-	nv_wr32(dev, GPC_BCAST(0x08b4), priv->unk4188b4->vinst >> 8);
-	nv_wr32(dev, GPC_BCAST(0x08b8), priv->unk4188b8->vinst >> 8);
+	nv_wr32(dev, GPC_BCAST(0x08b4), priv->unk4188b4->addr >> 8);
+	nv_wr32(dev, GPC_BCAST(0x08b8), priv->unk4188b8->addr >> 8);
 }
 
 static void
@@ -591,7 +587,7 @@
 		if (!chan || !chan->ramin)
 			continue;
 
-		if (inst == chan->ramin->vinst)
+		if (inst == chan->ramin->addr)
 			break;
 	}
 	spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
index eb5455f..a0258c7 100644
--- a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
+++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
@@ -74,8 +74,8 @@
 	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
 	nv_mask(dev, 0x002500, 0x00000001, 0x00000000);
 	if ((nv_rd32(dev, 0x003204) & 0x1f) == chan->id)
-		nv_wr32(dev, 0x00330c, ctx->pinst >> 4);
-	nv_wo32(chan->ramfc, 0x54, ctx->pinst >> 4);
+		nv_wr32(dev, 0x00330c, ctx->addr >> 4);
+	nv_wo32(chan->ramfc, 0x54, ctx->addr >> 4);
 	nv_mask(dev, 0x002500, 0x00000001, 0x00000001);
 	spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
 
@@ -90,7 +90,7 @@
 	struct nouveau_gpuobj *ctx = chan->engctx[engine];
 	struct drm_device *dev = chan->dev;
 	unsigned long flags;
-	u32 inst = 0x80000000 | (ctx->pinst >> 4);
+	u32 inst = 0x80000000 | (ctx->addr >> 4);
 
 	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
 	nv_mask(dev, 0x00b32c, 0x00000001, 0x00000000);
@@ -224,7 +224,7 @@
 			continue;
 
 		ctx = dev_priv->channels.ptr[i]->engctx[NVOBJ_ENGINE_MPEG];
-		if (ctx && ctx->pinst == inst)
+		if (ctx && ctx->addr == inst)
 			break;
 	}
 	spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv50.c b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv50.c
index 47d37a2..4e3292e 100644
--- a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv50.c
@@ -47,7 +47,6 @@
 nv50_mpeg_context_new(struct nouveau_channel *chan, int engine)
 {
 	struct drm_device *dev = chan->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_gpuobj *ramin = chan->ramin;
 	struct nouveau_gpuobj *ctx = NULL;
 	int ret;
@@ -60,15 +59,15 @@
 		return ret;
 
 	nv_wo32(ramin, CTX_PTR(dev, 0x00), 0x80190002);
-	nv_wo32(ramin, CTX_PTR(dev, 0x04), ctx->vinst + ctx->size - 1);
-	nv_wo32(ramin, CTX_PTR(dev, 0x08), ctx->vinst);
+	nv_wo32(ramin, CTX_PTR(dev, 0x04), ctx->addr + ctx->size - 1);
+	nv_wo32(ramin, CTX_PTR(dev, 0x08), ctx->addr);
 	nv_wo32(ramin, CTX_PTR(dev, 0x0c), 0);
 	nv_wo32(ramin, CTX_PTR(dev, 0x10), 0);
 	nv_wo32(ramin, CTX_PTR(dev, 0x14), 0x00010000);
 
 	nv_wo32(ctx, 0x70, 0x00801ec1);
 	nv_wo32(ctx, 0x7c, 0x0000037c);
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 
 	chan->engctx[engine] = ctx;
 	return 0;
@@ -93,7 +92,6 @@
 		     u32 handle, u16 class)
 {
 	struct drm_device *dev = chan->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_gpuobj *obj = NULL;
 	int ret;
 
@@ -107,7 +105,7 @@
 	nv_wo32(obj, 0x04, 0x00000000);
 	nv_wo32(obj, 0x08, 0x00000000);
 	nv_wo32(obj, 0x0c, 0x00000000);
-	dev_priv->engine.instmem.flush(dev);
+	nvimem_flush(dev);
 
 	ret = nouveau_ramht_insert(chan, handle, obj);
 	nouveau_gpuobj_ref(NULL, &obj);
diff --git a/drivers/gpu/drm/nouveau/core/engine/ppp/nv98.c b/drivers/gpu/drm/nouveau/core/engine/ppp/nv98.c
index 20d33dc..384de6d 100644
--- a/drivers/gpu/drm/nouveau/core/engine/ppp/nv98.c
+++ b/drivers/gpu/drm/nouveau/core/engine/ppp/nv98.c
@@ -25,7 +25,6 @@
 #include "drmP.h"
 #include "nouveau_drv.h"
 #include "nouveau_util.h"
-#include <subdev/vm.h>
 #include <core/ramht.h>
 
 struct nv98_ppp_engine {
diff --git a/drivers/gpu/drm/nouveau/core/engine/vp/nv84.c b/drivers/gpu/drm/nouveau/core/engine/vp/nv84.c
index eb7e196..5e164a6 100644
--- a/drivers/gpu/drm/nouveau/core/engine/vp/nv84.c
+++ b/drivers/gpu/drm/nouveau/core/engine/vp/nv84.c
@@ -25,7 +25,6 @@
 #include "drmP.h"
 #include "nouveau_drv.h"
 #include "nouveau_util.h"
-#include <subdev/vm.h>
 #include <core/ramht.h>
 
 /*XXX: This stub is currently used on NV98+ also, as soon as this becomes
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bar.h b/drivers/gpu/drm/nouveau/core/include/subdev/bar.h
new file mode 100644
index 0000000..4f4ff45
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/bar.h
@@ -0,0 +1,55 @@
+#ifndef __NOUVEAU_BAR_H__
+#define __NOUVEAU_BAR_H__
+
+#include <core/subdev.h>
+#include <core/device.h>
+
+#include <subdev/fb.h>
+
+struct nouveau_vma;
+
+struct nouveau_bar {
+	struct nouveau_subdev base;
+
+	int (*alloc)(struct nouveau_bar *, struct nouveau_object *,
+		     struct nouveau_mem *, struct nouveau_object **);
+	void __iomem *iomem;
+
+	int (*kmap)(struct nouveau_bar *, struct nouveau_mem *,
+		    u32 flags, struct nouveau_vma *);
+	int (*umap)(struct nouveau_bar *, struct nouveau_mem *,
+		    u32 flags, struct nouveau_vma *);
+	void (*unmap)(struct nouveau_bar *, struct nouveau_vma *);
+	void (*flush)(struct nouveau_bar *);
+};
+
+static inline struct nouveau_bar *
+nouveau_bar(void *obj)
+{
+	return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_BAR];
+}
+
+#define nouveau_bar_create(p,e,o,d)                                            \
+	nouveau_bar_create_((p), (e), (o), sizeof(**d), (void **)d)
+#define nouveau_bar_init(p)                                                    \
+	nouveau_subdev_init(&(p)->base)
+#define nouveau_bar_fini(p,s)                                                  \
+	nouveau_subdev_fini(&(p)->base, (s))
+
+int nouveau_bar_create_(struct nouveau_object *, struct nouveau_object *,
+			struct nouveau_oclass *, int, void **);
+void nouveau_bar_destroy(struct nouveau_bar *);
+
+void _nouveau_bar_dtor(struct nouveau_object *);
+#define _nouveau_bar_init _nouveau_subdev_init
+#define _nouveau_bar_fini _nouveau_subdev_fini
+
+extern struct nouveau_oclass nv50_bar_oclass;
+extern struct nouveau_oclass nvc0_bar_oclass;
+
+int nouveau_bar_alloc(struct nouveau_bar *, struct nouveau_object *,
+		      struct nouveau_mem *, struct nouveau_object **);
+
+void nv84_bar_flush(struct nouveau_bar *);
+
+#endif
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/fb.h b/drivers/gpu/drm/nouveau/core/include/subdev/fb.h
index 91dbdc1..f18c1a1 100644
--- a/drivers/gpu/drm/nouveau/core/include/subdev/fb.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/fb.h
@@ -6,6 +6,7 @@
 #include <core/device.h>
 #endif
 #include <core/mm.h>
+
 #include <subdev/vm.h>
 
 /* memory type/access flags, do not match hardware values */
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/instmem.h b/drivers/gpu/drm/nouveau/core/include/subdev/instmem.h
new file mode 100644
index 0000000..2adfcaf
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/instmem.h
@@ -0,0 +1,74 @@
+#ifndef __NOUVEAU_INSTMEM_H__
+#define __NOUVEAU_INSTMEM_H__
+
+#include <core/subdev.h>
+#include <core/device.h>
+#include <core/mm.h>
+
+struct nouveau_instobj {
+	struct nouveau_object base;
+	struct list_head head;
+	struct nouveau_mm heap;
+	u32 *suspend;
+	u64 addr;
+	u32 size;
+};
+
+static inline struct nouveau_instobj *
+nv_memobj(void *obj)
+{
+#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
+	if (unlikely(!nv_iclass(obj, NV_MEMOBJ_CLASS)))
+		nv_assert("BAD CAST -> NvMemObj, %08x", nv_hclass(obj));
+#endif
+	return obj;
+}
+
+#define nouveau_instobj_create(p,e,o,d)                                        \
+	nouveau_instobj_create_((p), (e), (o), sizeof(**d), (void **)d)
+#define nouveau_instobj_init(p)                                                \
+	nouveau_object_init(&(p)->base)
+#define nouveau_instobj_fini(p,s)                                              \
+	nouveau_object_fini(&(p)->base, (s))
+
+int  nouveau_instobj_create_(struct nouveau_object *, struct nouveau_object *,
+			     struct nouveau_oclass *, int, void **);
+void nouveau_instobj_destroy(struct nouveau_instobj *);
+
+void _nouveau_instobj_dtor(struct nouveau_object *);
+#define _nouveau_instobj_init nouveau_object_init
+#define _nouveau_instobj_fini nouveau_object_fini
+
+struct nouveau_instmem {
+	struct nouveau_subdev base;
+	struct list_head list;
+
+	u32 reserved;
+	int (*alloc)(struct nouveau_instmem *, struct nouveau_object *,
+		     u32 size, u32 align, struct nouveau_object **);
+};
+
+static inline struct nouveau_instmem *
+nouveau_instmem(void *obj)
+{
+	return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_INSTMEM];
+}
+
+#define nouveau_instmem_create(p,e,o,d)                                        \
+	nouveau_instmem_create_((p), (e), (o), sizeof(**d), (void **)d)
+#define nouveau_instmem_destroy(p)                                             \
+	nouveau_subdev_destroy(&(p)->base)
+int nouveau_instmem_create_(struct nouveau_object *, struct nouveau_object *,
+			    struct nouveau_oclass *, int, void **);
+int nouveau_instmem_init(struct nouveau_instmem *);
+int nouveau_instmem_fini(struct nouveau_instmem *, bool);
+
+#define _nouveau_instmem_dtor _nouveau_subdev_dtor
+int _nouveau_instmem_init(struct nouveau_object *);
+int _nouveau_instmem_fini(struct nouveau_object *, bool);
+
+extern struct nouveau_oclass nv04_instmem_oclass;
+extern struct nouveau_oclass nv40_instmem_oclass;
+extern struct nouveau_oclass nv50_instmem_oclass;
+
+#endif
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/vm.h b/drivers/gpu/drm/nouveau/core/include/subdev/vm.h
index 6d3764b..81577bb 100644
--- a/drivers/gpu/drm/nouveau/core/include/subdev/vm.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/vm.h
@@ -25,10 +25,14 @@
 #ifndef __NOUVEAU_VM_H__
 #define __NOUVEAU_VM_H__
 
+#ifndef XXX_THIS_IS_A_HACK
+#include <core/object.h>
+#include <core/subdev.h>
+#include <core/device.h>
+#endif
 #include <core/mm.h>
 
-struct nouveau_mem;
-
+#ifndef XXX_THIS_IS_A_HACK
 struct nouveau_vm_pgt {
 	struct nouveau_gpuobj *obj[2];
 	u32 refcount[2];
@@ -38,6 +42,10 @@
 	struct list_head head;
 	struct nouveau_gpuobj *obj;
 };
+#endif
+
+struct nouveau_gpuobj;
+struct nouveau_mem;
 
 struct nouveau_vma {
 	struct list_head head;
@@ -49,21 +57,29 @@
 };
 
 struct nouveau_vm {
-	struct drm_device *dev;
+	struct nouveau_vmmgr *vmm;
 	struct nouveau_mm mm;
 	int refcount;
 
 	struct list_head pgd_list;
-	atomic_t engref[16];
+	atomic_t engref[64]; //NVDEV_SUBDEV_NR];
 
 	struct nouveau_vm_pgt *pgt;
 	u32 fpde;
 	u32 lpde;
+};
+
+#ifndef XXX_THIS_IS_A_HACK
+struct nouveau_vmmgr {
+	struct nouveau_subdev base;
 
 	u32 pgt_bits;
 	u8  spg_shift;
 	u8  lpg_shift;
 
+	int  (*create)(struct nouveau_vmmgr *, u64 offset, u64 length,
+		       u64 mm_offset, struct nouveau_vm **);
+
 	void (*map_pgt)(struct nouveau_gpuobj *pgd, u32 pde,
 			struct nouveau_gpuobj *pgt[2]);
 	void (*map)(struct nouveau_vma *, struct nouveau_gpuobj *,
@@ -71,16 +87,48 @@
 		    u64 phys, u64 delta);
 	void (*map_sg)(struct nouveau_vma *, struct nouveau_gpuobj *,
 		       struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
-
-	void (*map_sg_table)(struct nouveau_vma *, struct nouveau_gpuobj *,
-			     struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
 	void (*unmap)(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt);
 	void (*flush)(struct nouveau_vm *);
 };
 
-/* nouveau_vm.c */
-int  nouveau_vm_new(struct drm_device *, u64 offset, u64 length, u64 mm_offset,
+static inline struct nouveau_vmmgr *
+nouveau_vmmgr(void *obj)
+{
+	return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_VM];
+}
+
+#define nouveau_vmmgr_create(p,e,o,i,f,d)                                      \
+	nouveau_subdev_create((p), (e), (o), 0, (i), (f), (d))
+#define nouveau_vmmgr_destroy(p)                                               \
+	nouveau_subdev_destroy(&(p)->base)
+#define nouveau_vmmgr_init(p)                                                  \
+	nouveau_subdev_init(&(p)->base)
+#define nouveau_vmmgr_fini(p,s)                                                \
+	nouveau_subdev_fini(&(p)->base, (s))
+
+#define _nouveau_vmmgr_dtor _nouveau_subdev_dtor
+#define _nouveau_vmmgr_init _nouveau_subdev_init
+#define _nouveau_vmmgr_fini _nouveau_subdev_fini
+
+extern struct nouveau_oclass nv04_vmmgr_oclass;
+extern struct nouveau_oclass nv41_vmmgr_oclass;
+extern struct nouveau_oclass nv44_vmmgr_oclass;
+extern struct nouveau_oclass nv50_vmmgr_oclass;
+extern struct nouveau_oclass nvc0_vmmgr_oclass;
+
+int  nv04_vm_create(struct nouveau_vmmgr *, u64, u64, u64,
 		    struct nouveau_vm **);
+void nv04_vmmgr_dtor(struct nouveau_object *);
+
+void nv50_vm_flush_engine(struct nouveau_subdev *, int engine);
+void nvc0_vm_flush_engine(struct nouveau_subdev *, u64 addr, int type);
+
+/* nouveau_vm.c */
+int  nouveau_vm_create(struct nouveau_vmmgr *, u64 offset, u64 length,
+		       u64 mm_offset, u32 block, struct nouveau_vm **);
+int  nouveau_vm_new(struct nouveau_device *, u64 offset, u64 length,
+		    u64 mm_offset, struct nouveau_vm **);
+#endif
 int  nouveau_vm_ref(struct nouveau_vm *, struct nouveau_vm **,
 		    struct nouveau_gpuobj *pgd);
 int  nouveau_vm_get(struct nouveau_vm *, u64 size, u32 page_shift,
@@ -93,26 +141,6 @@
 void nouveau_vm_map_sg(struct nouveau_vma *, u64 offset, u64 length,
 		       struct nouveau_mem *);
 void nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
-			     struct nouveau_mem *mem);
-/* nv50_vm.c */
-void nv50_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde,
-		     struct nouveau_gpuobj *pgt[2]);
-void nv50_vm_map(struct nouveau_vma *, struct nouveau_gpuobj *,
-		 struct nouveau_mem *, u32 pte, u32 cnt, u64 phys, u64 delta);
-void nv50_vm_map_sg(struct nouveau_vma *, struct nouveau_gpuobj *,
-		    struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
-void nv50_vm_unmap(struct nouveau_gpuobj *, u32 pte, u32 cnt);
-void nv50_vm_flush(struct nouveau_vm *);
-void nv50_vm_flush_engine(struct drm_device *, int engine);
-
-/* nvc0_vm.c */
-void nvc0_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde,
-		     struct nouveau_gpuobj *pgt[2]);
-void nvc0_vm_map(struct nouveau_vma *, struct nouveau_gpuobj *,
-		 struct nouveau_mem *, u32 pte, u32 cnt, u64 phys, u64 delta);
-void nvc0_vm_map_sg(struct nouveau_vma *, struct nouveau_gpuobj *,
-		    struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
-void nvc0_vm_unmap(struct nouveau_gpuobj *, u32 pte, u32 cnt);
-void nvc0_vm_flush(struct nouveau_vm *);
+		     struct nouveau_mem *mem);
 
 #endif
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bar/base.c b/drivers/gpu/drm/nouveau/core/subdev/bar/base.c
new file mode 100644
index 0000000..cd01c53
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/bar/base.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2012 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 <core/object.h>
+#include <subdev/bar.h>
+
+struct nouveau_barobj {
+	struct nouveau_object base;
+	struct nouveau_vma vma;
+	void __iomem *iomem;
+};
+
+static int
+nouveau_barobj_ctor(struct nouveau_object *parent,
+		    struct nouveau_object *engine,
+		    struct nouveau_oclass *oclass, void *mem, u32 size,
+		    struct nouveau_object **pobject)
+{
+	struct nouveau_bar *bar = (void *)engine;
+	struct nouveau_barobj *barobj;
+	int ret;
+
+	ret = nouveau_object_create(parent, engine, oclass, 0, &barobj);
+	*pobject = nv_object(barobj);
+	if (ret)
+		return ret;
+
+	ret = bar->kmap(bar, mem, NV_MEM_ACCESS_RW, &barobj->vma);
+	if (ret)
+		return ret;
+
+	barobj->iomem = bar->iomem + (u32)barobj->vma.offset;
+	return 0;
+}
+
+static void
+nouveau_barobj_dtor(struct nouveau_object *object)
+{
+	struct nouveau_bar *bar = (void *)object->engine;
+	struct nouveau_barobj *barobj = (void *)object;
+	if (barobj->vma.node)
+		bar->unmap(bar, &barobj->vma);
+	nouveau_object_destroy(&barobj->base);
+}
+
+static u32
+nouveau_barobj_rd32(struct nouveau_object *object, u32 addr)
+{
+	struct nouveau_barobj *barobj = (void *)object;
+	return ioread32_native(barobj->iomem + addr);
+}
+
+static void
+nouveau_barobj_wr32(struct nouveau_object *object, u32 addr, u32 data)
+{
+	struct nouveau_barobj *barobj = (void *)object;
+	iowrite32_native(data, barobj->iomem + addr);
+}
+
+static struct nouveau_oclass
+nouveau_barobj_oclass = {
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nouveau_barobj_ctor,
+		.dtor = nouveau_barobj_dtor,
+		.init = nouveau_object_init,
+		.fini = nouveau_object_fini,
+		.rd32 = nouveau_barobj_rd32,
+		.wr32 = nouveau_barobj_wr32,
+	},
+};
+
+int
+nouveau_bar_alloc(struct nouveau_bar *bar, struct nouveau_object *parent,
+		  struct nouveau_mem *mem, struct nouveau_object **pobject)
+{
+	struct nouveau_object *engine = nv_object(bar);
+	return nouveau_object_ctor(parent, engine, &nouveau_barobj_oclass,
+				   mem, 0, pobject);
+}
+
+int
+nouveau_bar_create_(struct nouveau_object *parent,
+		    struct nouveau_object *engine,
+		    struct nouveau_oclass *oclass, int length, void **pobject)
+{
+	struct nouveau_device *device = nv_device(parent);
+	struct nouveau_bar *bar;
+	int ret;
+
+	ret = nouveau_subdev_create_(parent, engine, oclass, 0, "BARCTL",
+				     "bar", length, pobject);
+	bar = *pobject;
+	if (ret)
+		return ret;
+
+	bar->iomem = ioremap(pci_resource_start(device->pdev, 3),
+			     pci_resource_len(device->pdev, 3));
+	return 0;
+}
+
+void
+nouveau_bar_destroy(struct nouveau_bar *bar)
+{
+	if (bar->iomem)
+		iounmap(bar->iomem);
+	nouveau_subdev_destroy(&bar->base);
+}
+
+void
+_nouveau_bar_dtor(struct nouveau_object *object)
+{
+	struct nouveau_bar *bar = (void *)object;
+	nouveau_bar_destroy(bar);
+}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c
new file mode 100644
index 0000000..c3acf5b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c
@@ -0,0 +1,263 @@
+/*
+ * Copyright 2012 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 <core/gpuobj.h>
+
+#include <subdev/timer.h>
+#include <subdev/bar.h>
+#include <subdev/fb.h>
+#include <subdev/vm.h>
+
+struct nv50_bar_priv {
+	struct nouveau_bar base;
+	spinlock_t lock;
+	struct nouveau_gpuobj *mem;
+	struct nouveau_gpuobj *pad;
+	struct nouveau_gpuobj *pgd;
+	struct nouveau_vm *bar1_vm;
+	struct nouveau_gpuobj *bar1;
+	struct nouveau_vm *bar3_vm;
+	struct nouveau_gpuobj *bar3;
+};
+
+static int
+nv50_bar_kmap(struct nouveau_bar *bar, struct nouveau_mem *mem,
+	      u32 flags, struct nouveau_vma *vma)
+{
+	struct nv50_bar_priv *priv = (void *)bar;
+	int ret;
+
+	ret = nouveau_vm_get(priv->bar3_vm, mem->size << 12, 12, flags, vma);
+	if (ret)
+		return ret;
+
+	nouveau_vm_map(vma, mem);
+	nv50_vm_flush_engine(nv_subdev(bar), 6);
+	return 0;
+}
+
+static int
+nv50_bar_umap(struct nouveau_bar *bar, struct nouveau_mem *mem,
+	      u32 flags, struct nouveau_vma *vma)
+{
+	struct nv50_bar_priv *priv = (void *)bar;
+	int ret;
+
+	ret = nouveau_vm_get(priv->bar1_vm, mem->size << 12, 12, flags, vma);
+	if (ret)
+		return ret;
+
+	nouveau_vm_map(vma, mem);
+	nv50_vm_flush_engine(nv_subdev(bar), 6);
+	return 0;
+}
+
+static void
+nv50_bar_unmap(struct nouveau_bar *bar, struct nouveau_vma *vma)
+{
+	nouveau_vm_unmap(vma);
+	nv50_vm_flush_engine(nv_subdev(bar), 6);
+	nouveau_vm_put(vma);
+}
+
+static void
+nv50_bar_flush(struct nouveau_bar *bar)
+{
+	struct nv50_bar_priv *priv = (void *)bar;
+	unsigned long flags;
+	spin_lock_irqsave(&priv->lock, flags);
+	nv_wr32(priv, 0x00330c, 0x00000001);
+	if (!nv_wait(priv, 0x00330c, 0x00000002, 0x00000000))
+		nv_warn(priv, "flush timeout\n");
+	spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+void
+nv84_bar_flush(struct nouveau_bar *bar)
+{
+	struct nv50_bar_priv *priv = (void *)bar;
+	unsigned long flags;
+	spin_lock_irqsave(&priv->lock, flags);
+	nv_wr32(bar, 0x070000, 0x00000001);
+	if (!nv_wait(priv, 0x070000, 0x00000002, 0x00000000))
+		nv_warn(priv, "flush timeout\n");
+	spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+static int
+nv50_bar_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+	      struct nouveau_oclass *oclass, void *data, u32 size,
+	      struct nouveau_object **pobject)
+{
+	struct nouveau_device *device = nv_device(parent);
+	struct nouveau_object *heap;
+	struct nouveau_vm *vm;
+	struct nv50_bar_priv *priv;
+	u64 start, limit;
+	int ret;
+
+	ret = nouveau_bar_create(parent, engine, oclass, &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_new(parent, NULL, 0x20000, 0, NVOBJ_FLAG_HEAP,
+				&priv->mem);
+	heap = nv_object(priv->mem);
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_new(parent, heap, (device->chipset == 0x50) ?
+				 0x1400 : 0x0200, 0, 0, &priv->pad);
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_new(parent, heap, 0x4000, 0, 0, &priv->pgd);
+	if (ret)
+		return ret;
+
+	/* BAR3 */
+	start = 0x0100000000ULL;
+	limit = start + pci_resource_len(device->pdev, 3);
+
+	ret = nouveau_vm_new(device, start, limit, start, &vm);
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_new(parent, heap, ((limit-- - start) >> 12) * 8,
+				 0x1000, NVOBJ_FLAG_ZERO_ALLOC,
+				 &vm->pgt[0].obj[0]);
+	vm->pgt[0].refcount[0] = 1;
+	if (ret)
+		return ret;
+
+	ret = nouveau_vm_ref(vm, &priv->bar3_vm, priv->pgd);
+	nouveau_vm_ref(NULL, &vm, NULL);
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_new(parent, heap, 24, 16, 0, &priv->bar3);
+	if (ret)
+		return ret;
+
+	nv_wo32(priv->bar3, 0x00, 0x7fc00000);
+	nv_wo32(priv->bar3, 0x04, lower_32_bits(limit));
+	nv_wo32(priv->bar3, 0x08, lower_32_bits(start));
+	nv_wo32(priv->bar3, 0x0c, upper_32_bits(limit) << 24 |
+				  upper_32_bits(start));
+	nv_wo32(priv->bar3, 0x10, 0x00000000);
+	nv_wo32(priv->bar3, 0x14, 0x00000000);
+
+	/* BAR1 */
+	start = 0x0000000000ULL;
+	limit = start + pci_resource_len(device->pdev, 1);
+
+	ret = nouveau_vm_new(device, start, limit--, start, &vm);
+	if (ret)
+		return ret;
+
+	ret = nouveau_vm_ref(vm, &priv->bar1_vm, priv->pgd);
+	nouveau_vm_ref(NULL, &vm, NULL);
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_new(parent, heap, 24, 16, 0, &priv->bar1);
+	if (ret)
+		return ret;
+
+	nv_wo32(priv->bar1, 0x00, 0x7fc00000);
+	nv_wo32(priv->bar1, 0x04, lower_32_bits(limit));
+	nv_wo32(priv->bar1, 0x08, lower_32_bits(start));
+	nv_wo32(priv->bar1, 0x0c, upper_32_bits(limit) << 24 |
+				  upper_32_bits(start));
+	nv_wo32(priv->bar1, 0x10, 0x00000000);
+	nv_wo32(priv->bar1, 0x14, 0x00000000);
+
+	priv->base.alloc = nouveau_bar_alloc;
+	priv->base.kmap = nv50_bar_kmap;
+	priv->base.umap = nv50_bar_umap;
+	priv->base.unmap = nv50_bar_unmap;
+	if (device->chipset == 0x50)
+		priv->base.flush = nv50_bar_flush;
+	else
+		priv->base.flush = nv84_bar_flush;
+	spin_lock_init(&priv->lock);
+	return 0;
+}
+
+static void
+nv50_bar_dtor(struct nouveau_object *object)
+{
+	struct nv50_bar_priv *priv = (void *)object;
+	nouveau_gpuobj_ref(NULL, &priv->bar1);
+	nouveau_vm_ref(NULL, &priv->bar1_vm, priv->pgd);
+	nouveau_gpuobj_ref(NULL, &priv->bar3);
+	if (priv->bar3_vm) {
+		nouveau_gpuobj_ref(NULL, &priv->bar3_vm->pgt[0].obj[0]);
+		nouveau_vm_ref(NULL, &priv->bar3_vm, priv->pgd);
+	}
+	nouveau_gpuobj_ref(NULL, &priv->pgd);
+	nouveau_gpuobj_ref(NULL, &priv->pad);
+	nouveau_gpuobj_ref(NULL, &priv->mem);
+	nouveau_bar_destroy(&priv->base);
+}
+
+static int
+nv50_bar_init(struct nouveau_object *object)
+{
+	struct nv50_bar_priv *priv = (void *)object;
+	int ret;
+
+	ret = nouveau_bar_init(&priv->base);
+	if (ret)
+		return ret;
+
+	nv_mask(priv, 0x000200, 0x00000100, 0x00000000);
+	nv_mask(priv, 0x000200, 0x00000100, 0x00000100);
+	nv50_vm_flush_engine(nv_subdev(priv), 6);
+
+	nv_wr32(priv, 0x001704, 0x00000000 | priv->mem->addr >> 12);
+	nv_wr32(priv, 0x001704, 0x40000000 | priv->mem->addr >> 12);
+	nv_wr32(priv, 0x001708, 0x80000000 | priv->bar1->node->offset >> 4);
+	nv_wr32(priv, 0x00170c, 0x80000000 | priv->bar3->node->offset >> 4);
+	return 0;
+}
+
+static int
+nv50_bar_fini(struct nouveau_object *object, bool suspend)
+{
+	struct nv50_bar_priv *priv = (void *)object;
+	return nouveau_bar_fini(&priv->base, suspend);
+}
+
+struct nouveau_oclass
+nv50_bar_oclass = {
+	.handle = NV_SUBDEV(BAR, 0x50),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv50_bar_ctor,
+		.dtor = nv50_bar_dtor,
+		.init = nv50_bar_init,
+		.fini = nv50_bar_fini,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c
new file mode 100644
index 0000000..77a6fb7
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c
@@ -0,0 +1,215 @@
+/*
+ * Copyright 2012 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 <core/gpuobj.h>
+
+#include <subdev/timer.h>
+#include <subdev/bar.h>
+#include <subdev/fb.h>
+#include <subdev/vm.h>
+
+struct nvc0_bar_priv {
+	struct nouveau_bar base;
+	spinlock_t lock;
+	struct {
+		struct nouveau_gpuobj *mem;
+		struct nouveau_gpuobj *pgd;
+		struct nouveau_vm *vm;
+	} bar[2];
+};
+
+static int
+nvc0_bar_kmap(struct nouveau_bar *bar, struct nouveau_mem *mem,
+	      u32 flags, struct nouveau_vma *vma)
+{
+	struct nvc0_bar_priv *priv = (void *)bar;
+	int ret;
+
+	ret = nouveau_vm_get(priv->bar[0].vm, mem->size << 12, 12, flags, vma);
+	if (ret)
+		return ret;
+
+	nouveau_vm_map(vma, mem);
+	nvc0_vm_flush_engine(nv_subdev(bar), priv->bar[0].pgd->addr, 5);
+	return 0;
+}
+
+static int
+nvc0_bar_umap(struct nouveau_bar *bar, struct nouveau_mem *mem,
+	      u32 flags, struct nouveau_vma *vma)
+{
+	struct nvc0_bar_priv *priv = (void *)bar;
+	int ret;
+
+	ret = nouveau_vm_get(priv->bar[1].vm, mem->size << 12,
+			     mem->page_shift, flags, vma);
+	if (ret)
+		return ret;
+
+	nouveau_vm_map(vma, mem);
+	nvc0_vm_flush_engine(nv_subdev(bar), priv->bar[1].pgd->addr, 5);
+	return 0;
+}
+
+static void
+nvc0_bar_unmap(struct nouveau_bar *bar, struct nouveau_vma *vma)
+{
+	struct nvc0_bar_priv *priv = (void *)bar;
+	int i = !(vma->vm == priv->bar[0].vm);
+
+	nouveau_vm_unmap(vma);
+	nvc0_vm_flush_engine(nv_subdev(bar), priv->bar[i].pgd->addr, 5);
+	nouveau_vm_put(vma);
+}
+
+static int
+nvc0_bar_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+	      struct nouveau_oclass *oclass, void *data, u32 size,
+	      struct nouveau_object **pobject)
+{
+	struct nouveau_device *device = nv_device(parent);
+	struct pci_dev *pdev = device->pdev;
+	struct nvc0_bar_priv *priv;
+	struct nouveau_gpuobj *mem;
+	struct nouveau_vm *vm;
+	int ret;
+
+	ret = nouveau_bar_create(parent, engine, oclass, &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	/* BAR3 */
+	ret = nouveau_gpuobj_new(parent, NULL, 0x1000, 0, 0, &priv->bar[0].mem);
+	mem = priv->bar[0].mem;
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_new(parent, NULL, 0x8000, 0, 0, &priv->bar[0].pgd);
+	if (ret)
+		return ret;
+
+	ret = nouveau_vm_new(device, 0, pci_resource_len(pdev, 3), 0, &vm);
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_new(parent, NULL,
+				 (pci_resource_len(pdev, 3) >> 12) * 8,
+				 0x1000, NVOBJ_FLAG_ZERO_ALLOC,
+				 &vm->pgt[0].obj[0]);
+	vm->pgt[0].refcount[0] = 1;
+	if (ret)
+		return ret;
+
+	ret = nouveau_vm_ref(vm, &priv->bar[0].vm, priv->bar[0].pgd);
+	nouveau_vm_ref(NULL, &vm, NULL);
+	if (ret)
+		return ret;
+
+	nv_wo32(mem, 0x0200, lower_32_bits(priv->bar[0].pgd->addr));
+	nv_wo32(mem, 0x0204, upper_32_bits(priv->bar[0].pgd->addr));
+	nv_wo32(mem, 0x0208, lower_32_bits(pci_resource_len(pdev, 3) - 1));
+	nv_wo32(mem, 0x020c, upper_32_bits(pci_resource_len(pdev, 3) - 1));
+
+	/* BAR1 */
+	ret = nouveau_gpuobj_new(parent, NULL, 0x1000, 0, 0, &priv->bar[1].mem);
+	mem = priv->bar[1].mem;
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_new(parent, NULL, 0x8000, 0, 0, &priv->bar[1].pgd);
+	if (ret)
+		return ret;
+
+	ret = nouveau_vm_new(device, 0, pci_resource_len(pdev, 1), 0, &vm);
+	if (ret)
+		return ret;
+
+	ret = nouveau_vm_ref(vm, &priv->bar[1].vm, priv->bar[1].pgd);
+	nouveau_vm_ref(NULL, &vm, NULL);
+	if (ret)
+		return ret;
+
+	nv_wo32(mem, 0x0200, lower_32_bits(priv->bar[1].pgd->addr));
+	nv_wo32(mem, 0x0204, upper_32_bits(priv->bar[1].pgd->addr));
+	nv_wo32(mem, 0x0208, lower_32_bits(pci_resource_len(pdev, 1) - 1));
+	nv_wo32(mem, 0x020c, upper_32_bits(pci_resource_len(pdev, 1) - 1));
+
+	priv->base.alloc = nouveau_bar_alloc;
+	priv->base.kmap = nvc0_bar_kmap;
+	priv->base.umap = nvc0_bar_umap;
+	priv->base.unmap = nvc0_bar_unmap;
+	priv->base.flush = nv84_bar_flush;
+	spin_lock_init(&priv->lock);
+	return 0;
+}
+
+static void
+nvc0_bar_dtor(struct nouveau_object *object)
+{
+	struct nvc0_bar_priv *priv = (void *)object;
+
+	nouveau_vm_ref(NULL, &priv->bar[1].vm, priv->bar[1].pgd);
+	nouveau_gpuobj_ref(NULL, &priv->bar[1].pgd);
+	nouveau_gpuobj_ref(NULL, &priv->bar[1].mem);
+
+	if (priv->bar[0].vm) {
+		nouveau_gpuobj_ref(NULL, &priv->bar[0].vm->pgt[0].obj[0]);
+		nouveau_vm_ref(NULL, &priv->bar[0].vm, priv->bar[0].pgd);
+	}
+	nouveau_gpuobj_ref(NULL, &priv->bar[0].pgd);
+	nouveau_gpuobj_ref(NULL, &priv->bar[0].mem);
+
+	nouveau_bar_destroy(&priv->base);
+}
+
+static int
+nvc0_bar_init(struct nouveau_object *object)
+{
+	struct nvc0_bar_priv *priv = (void *)object;
+	int ret;
+
+	ret = nouveau_bar_init(&priv->base);
+	if (ret)
+		return ret;
+
+	nv_mask(priv, 0x000200, 0x00000100, 0x00000000);
+	nv_mask(priv, 0x000200, 0x00000100, 0x00000100);
+	nv_mask(priv, 0x100c80, 0x00000001, 0x00000000);
+
+	nv_wr32(priv, 0x001704, 0x80000000 | priv->bar[1].mem->addr >> 12);
+	nv_wr32(priv, 0x001714, 0xc0000000 | priv->bar[0].mem->addr >> 12);
+	return 0;
+}
+
+struct nouveau_oclass
+nvc0_bar_oclass = {
+	.handle = NV_SUBDEV(BAR, 0xc0),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nvc0_bar_ctor,
+		.dtor = nvc0_bar_dtor,
+		.init = nvc0_bar_init,
+		.fini = _nouveau_bar_fini,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nv04.c b/drivers/gpu/drm/nouveau/core/subdev/device/nv04.c
index 66b7156..5173c78 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nv04.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nv04.c
@@ -30,6 +30,8 @@
 #include <subdev/mc.h>
 #include <subdev/timer.h>
 #include <subdev/fb.h>
+#include <subdev/instmem.h>
+#include <subdev/vm.h>
 
 int
 nv04_identify(struct nouveau_device *device)
@@ -43,6 +45,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv04_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x05:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -52,6 +56,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv04_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	default:
 		nv_fatal(device, "unknown RIVA chipset\n");
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nv10.c b/drivers/gpu/drm/nouveau/core/subdev/device/nv10.c
index cf81479..c4f2c2d 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nv10.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nv10.c
@@ -31,6 +31,8 @@
 #include <subdev/mc.h>
 #include <subdev/timer.h>
 #include <subdev/fb.h>
+#include <subdev/instmem.h>
+#include <subdev/vm.h>
 
 int
 nv10_identify(struct nouveau_device *device)
@@ -45,6 +47,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv10_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x15:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -55,6 +59,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv10_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x16:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -65,6 +71,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv10_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x1a:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -75,6 +83,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv10_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x11:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -85,6 +95,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv10_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x17:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -95,6 +107,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv10_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x1f:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -105,6 +119,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv10_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x18:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -115,6 +131,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv10_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	default:
 		nv_fatal(device, "unknown Celsius chipset\n");
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nv20.c b/drivers/gpu/drm/nouveau/core/subdev/device/nv20.c
index e97280c..719b72a 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nv20.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nv20.c
@@ -31,6 +31,8 @@
 #include <subdev/mc.h>
 #include <subdev/timer.h>
 #include <subdev/fb.h>
+#include <subdev/instmem.h>
+#include <subdev/vm.h>
 
 int
 nv20_identify(struct nouveau_device *device)
@@ -45,6 +47,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv20_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x25:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -55,6 +59,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv20_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x28:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -65,6 +71,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv20_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x2a:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -75,6 +83,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv20_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	default:
 		nv_fatal(device, "unknown Kelvin chipset\n");
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nv30.c b/drivers/gpu/drm/nouveau/core/subdev/device/nv30.c
index ddd3ab6..0a1a728 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nv30.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nv30.c
@@ -31,6 +31,8 @@
 #include <subdev/mc.h>
 #include <subdev/timer.h>
 #include <subdev/fb.h>
+#include <subdev/instmem.h>
+#include <subdev/vm.h>
 
 int
 nv30_identify(struct nouveau_device *device)
@@ -45,6 +47,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv30_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x35:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -55,6 +59,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv30_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x31:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -65,6 +71,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv30_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x36:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -75,6 +83,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv30_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x34:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -85,6 +95,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv30_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv04_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	default:
 		nv_fatal(device, "unknown Rankine chipset\n");
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/device/nv40.c
index c7ea921..5e1ef5e 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nv40.c
@@ -31,6 +31,8 @@
 #include <subdev/mc.h>
 #include <subdev/timer.h>
 #include <subdev/fb.h>
+#include <subdev/instmem.h>
+#include <subdev/vm.h>
 
 int
 nv40_identify(struct nouveau_device *device)
@@ -45,6 +47,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x41:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -55,6 +59,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x42:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -65,6 +71,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x43:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -75,6 +83,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x45:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -85,6 +95,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x47:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -95,6 +107,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x49:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -105,6 +119,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x4b:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -115,6 +131,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x44:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -125,6 +143,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv44_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x46:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -135,6 +155,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv44_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x4a:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -145,6 +167,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv44_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x4c:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -155,6 +179,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv44_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x4e:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -165,6 +191,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv44_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x63:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -175,6 +203,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv44_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x67:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -185,6 +215,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv44_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	case 0x68:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -195,6 +227,8 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv44_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv40_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv04_vmmgr_oclass;
 		break;
 	default:
 		nv_fatal(device, "unknown Curie chipset\n");
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/device/nv50.c
index e60cdf2..5e86a2f 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nv50.c
@@ -31,6 +31,9 @@
 #include <subdev/mc.h>
 #include <subdev/timer.h>
 #include <subdev/fb.h>
+#include <subdev/instmem.h>
+#include <subdev/vm.h>
+#include <subdev/bar.h>
 
 int
 nv50_identify(struct nouveau_device *device)
@@ -45,6 +48,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv50_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	case 0x84:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -55,6 +61,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv50_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	case 0x86:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -65,6 +74,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv50_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	case 0x92:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -75,6 +87,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv50_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	case 0x94:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -85,6 +100,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv50_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	case 0x96:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -95,6 +113,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv50_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	case 0x98:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -105,6 +126,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	case 0xa0:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -115,6 +139,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	case 0xaa:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -125,6 +152,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	case 0xac:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -135,6 +165,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	case 0xa3:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -145,6 +178,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	case 0xa5:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -155,6 +191,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	case 0xa8:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -165,6 +204,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	case 0xaf:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -175,6 +217,9 @@
 		device->oclass[NVDEV_SUBDEV_MC     ] = &nv98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nv50_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nv50_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nv50_bar_oclass;
 		break;
 	default:
 		nv_fatal(device, "unknown Tesla chipset\n");
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c
index 8de6730..87f4e16 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c
@@ -32,6 +32,9 @@
 #include <subdev/timer.h>
 #include <subdev/fb.h>
 #include <subdev/ltcg.h>
+#include <subdev/instmem.h>
+#include <subdev/vm.h>
+#include <subdev/bar.h>
 
 int
 nvc0_identify(struct nouveau_device *device)
@@ -47,6 +50,9 @@
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nvc0_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTCG   ] = &nvc0_ltcg_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nvc0_bar_oclass;
 		break;
 	case 0xc4:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -58,6 +64,9 @@
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nvc0_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTCG   ] = &nvc0_ltcg_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nvc0_bar_oclass;
 		break;
 	case 0xc3:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -69,6 +78,9 @@
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nvc0_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTCG   ] = &nvc0_ltcg_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nvc0_bar_oclass;
 		break;
 	case 0xce:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -80,6 +92,9 @@
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nvc0_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTCG   ] = &nvc0_ltcg_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nvc0_bar_oclass;
 		break;
 	case 0xcf:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -91,6 +106,9 @@
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nvc0_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTCG   ] = &nvc0_ltcg_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nvc0_bar_oclass;
 		break;
 	case 0xc1:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -102,6 +120,9 @@
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nvc0_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTCG   ] = &nvc0_ltcg_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nvc0_bar_oclass;
 		break;
 	case 0xc8:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -113,6 +134,9 @@
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nvc0_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTCG   ] = &nvc0_ltcg_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nvc0_bar_oclass;
 		break;
 	case 0xd9:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -124,6 +148,9 @@
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nvc0_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTCG   ] = &nvc0_ltcg_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nvc0_bar_oclass;
 		break;
 	default:
 		nv_fatal(device, "unknown Fermi chipset\n");
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nve0.c b/drivers/gpu/drm/nouveau/core/subdev/device/nve0.c
index 919a102..ab8346b 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nve0.c
@@ -32,6 +32,9 @@
 #include <subdev/timer.h>
 #include <subdev/fb.h>
 #include <subdev/ltcg.h>
+#include <subdev/instmem.h>
+#include <subdev/vm.h>
+#include <subdev/bar.h>
 
 int
 nve0_identify(struct nouveau_device *device)
@@ -47,6 +50,9 @@
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nvc0_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTCG   ] = &nvc0_ltcg_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nvc0_bar_oclass;
 		break;
 	case 0xe7:
 		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nouveau_bios_oclass;
@@ -58,6 +64,9 @@
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] = &nvc0_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTCG   ] = &nvc0_ltcg_oclass;
+		device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
+		device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
+		device->oclass[NVDEV_SUBDEV_BAR    ] = &nvc0_bar_oclass;
 		break;
 	default:
 		nv_fatal(device, "unknown Kepler chipset\n");
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c
index 84aa71c..347a496 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv40.c
@@ -50,54 +50,14 @@
 static void
 nv40_fb_init_gart(struct nv40_fb_priv *priv)
 {
-#if 0
-	struct nouveau_gpuobj *gart = ndev->gart_info.sg_ctxdma;
-
-	if (ndev->gart_info.type != NOUVEAU_GART_HW) {
-#endif
-		nv_wr32(priv, 0x100800, 0x00000001);
-#if 0
-		return;
-	}
-
-	nv_wr32(ndev, 0x100800, gart->pinst | 0x00000002);
-	nv_mask(ndev, 0x10008c, 0x00000100, 0x00000100);
-	nv_wr32(ndev, 0x100820, 0x00000000);
-#endif
+	nv_wr32(priv, 0x100800, 0x00000001);
 }
 
 static void
 nv44_fb_init_gart(struct nv40_fb_priv *priv)
 {
-#if 0
-	struct nouveau_gpuobj *gart = ndev->gart_info.sg_ctxdma;
-	u32 vinst;
-
-	if (ndev->gart_info.type != NOUVEAU_GART_HW) {
-#endif
-		nv_wr32(priv, 0x100850, 0x80000000);
-		nv_wr32(priv, 0x100800, 0x00000001);
-#if 0
-		return;
-	}
-
-	/* calculate vram address of this PRAMIN block, object
-	 * must be allocated on 512KiB alignment, and not exceed
-	 * a total size of 512KiB for this to work correctly
-	 */
-	vinst  = nv_rd32(ndev, 0x10020c);
-	vinst -= ((gart->pinst >> 19) + 1) << 19;
-
-	nv_wr32(ndev, 0x100850, 0x80000000);
-	nv_wr32(ndev, 0x100818, ndev->gart_info.dummy.addr);
-
-	nv_wr32(ndev, 0x100804, ndev->gart_info.aper_size);
-	nv_wr32(ndev, 0x100850, 0x00008000);
-	nv_mask(ndev, 0x10008c, 0x00000200, 0x00000200);
-	nv_wr32(ndev, 0x100820, 0x00000000);
-	nv_wr32(ndev, 0x10082c, 0x00000001);
-	nv_wr32(ndev, 0x100800, vinst | 0x00000010);
-#endif
+	nv_wr32(priv, 0x100850, 0x80000000);
+	nv_wr32(priv, 0x100800, 0x00000001);
 }
 
 static int
diff --git a/drivers/gpu/drm/nouveau/core/subdev/instmem/base.c b/drivers/gpu/drm/nouveau/core/subdev/instmem/base.c
new file mode 100644
index 0000000..1188227
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/instmem/base.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2012 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 <subdev/instmem.h>
+
+int
+nouveau_instobj_create_(struct nouveau_object *parent,
+			struct nouveau_object *engine,
+			struct nouveau_oclass *oclass,
+			int length, void **pobject)
+{
+	struct nouveau_instmem *imem = (void *)engine;
+	struct nouveau_instobj *iobj;
+	int ret;
+
+	ret = nouveau_object_create_(parent, engine, oclass, NV_MEMOBJ_CLASS,
+				     length, pobject);
+	iobj = *pobject;
+	if (ret)
+		return ret;
+
+	list_add(&iobj->head, &imem->list);
+	return 0;
+}
+
+void
+nouveau_instobj_destroy(struct nouveau_instobj *iobj)
+{
+	if (iobj->head.prev)
+		list_del(&iobj->head);
+	return nouveau_object_destroy(&iobj->base);
+}
+
+void
+_nouveau_instobj_dtor(struct nouveau_object *object)
+{
+	struct nouveau_instobj *iobj = (void *)object;
+	return nouveau_instobj_destroy(iobj);
+}
+
+int
+nouveau_instmem_create_(struct nouveau_object *parent,
+			struct nouveau_object *engine,
+			struct nouveau_oclass *oclass,
+			int length, void **pobject)
+{
+	struct nouveau_instmem *imem;
+	int ret;
+
+	ret = nouveau_subdev_create_(parent, engine, oclass, 0,
+				     "INSTMEM", "instmem", length, pobject);
+	imem = *pobject;
+	if (ret)
+		return ret;
+
+	INIT_LIST_HEAD(&imem->list);
+	return 0;
+}
+
+int
+nouveau_instmem_init(struct nouveau_instmem *imem)
+{
+	struct nouveau_instobj *iobj;
+	int ret, i;
+
+	ret = nouveau_subdev_init(&imem->base);
+	if (ret)
+		return ret;
+
+	list_for_each_entry(iobj, &imem->list, head) {
+		if (iobj->suspend) {
+			for (i = 0; i < iobj->size; i += 4)
+				nv_wo32(iobj, i, iobj->suspend[i / 4]);
+			vfree(iobj->suspend);
+			iobj->suspend = NULL;
+		}
+	}
+
+	return 0;
+}
+
+int
+nouveau_instmem_fini(struct nouveau_instmem *imem, bool suspend)
+{
+	struct nouveau_instobj *iobj;
+	int i;
+
+	if (suspend) {
+		list_for_each_entry(iobj, &imem->list, head) {
+			iobj->suspend = vmalloc(iobj->size);
+			if (iobj->suspend) {
+				for (i = 0; i < iobj->size; i += 4)
+					iobj->suspend[i / 4] = nv_ro32(iobj, i);
+			} else
+				return -ENOMEM;
+		}
+	}
+
+	return nouveau_subdev_fini(&imem->base, suspend);
+}
+
+int
+_nouveau_instmem_init(struct nouveau_object *object)
+{
+	struct nouveau_instmem *imem = (void *)object;
+	return nouveau_instmem_init(imem);
+}
+
+int
+_nouveau_instmem_fini(struct nouveau_object *object, bool suspend)
+{
+	struct nouveau_instmem *imem = (void *)object;
+	return nouveau_instmem_fini(imem, suspend);
+}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.c b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.c
index 46b6963..f44f0f0 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.c
@@ -1,141 +1,199 @@
-#include "drmP.h"
-#include "drm.h"
+/*
+ * Copyright 2012 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 "nouveau_drv.h"
-#include <engine/fifo.h>
-#include <core/ramht.h>
+#include <subdev/fb.h>
 
 #include "nv04.h"
 
-int
-nv04_instmem_init(struct drm_device *dev)
+static int
+nv04_instobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+		  struct nouveau_oclass *oclass, void *data, u32 size,
+		  struct nouveau_object **pobject)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	struct nv04_instmem_priv *priv = (void *)engine;
+	struct nv04_instobj_priv *node;
+	int ret, align;
+
+	align = (unsigned long)data;
+	if (!align)
+		align = 1;
+
+	ret = nouveau_instobj_create(parent, engine, oclass, &node);
+	*pobject = nv_object(node);
+	if (ret)
+		return ret;
+
+	ret = nouveau_mm_head(&priv->heap, 1, size, size, align, &node->mem);
+	if (ret)
+		return ret;
+
+	node->base.addr = node->mem->offset;
+	node->base.size = node->mem->length;
+	return 0;
+}
+
+static void
+nv04_instobj_dtor(struct nouveau_object *object)
+{
+	struct nv04_instmem_priv *priv = (void *)object->engine;
+	struct nv04_instobj_priv *node = (void *)object;
+	nouveau_mm_free(&priv->heap, &node->mem);
+	nouveau_instobj_destroy(&node->base);
+}
+
+static u32
+nv04_instobj_rd32(struct nouveau_object *object, u32 addr)
+{
+	struct nv04_instobj_priv *node = (void *)object;
+	return nv_ro32(object->engine, node->mem->offset + addr);
+}
+
+static void
+nv04_instobj_wr32(struct nouveau_object *object, u32 addr, u32 data)
+{
+	struct nv04_instobj_priv *node = (void *)object;
+	nv_wo32(object->engine, node->mem->offset + addr, data);
+}
+
+static struct nouveau_oclass
+nv04_instobj_oclass = {
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv04_instobj_ctor,
+		.dtor = nv04_instobj_dtor,
+		.init = _nouveau_instobj_init,
+		.fini = _nouveau_instobj_fini,
+		.rd32 = nv04_instobj_rd32,
+		.wr32 = nv04_instobj_wr32,
+	},
+};
+
+int
+nv04_instmem_alloc(struct nouveau_instmem *imem, struct nouveau_object *parent,
+		   u32 size, u32 align, struct nouveau_object **pobject)
+{
+	struct nouveau_object *engine = nv_object(imem);
+	struct nv04_instmem_priv *priv = (void *)(imem);
+	int ret;
+
+	ret = nouveau_object_ctor(parent, engine, &nv04_instobj_oclass,
+				  (void *)(unsigned long)align, size, pobject);
+	if (ret)
+		return ret;
+
+	/* INSTMEM itself creates objects to reserve (and preserve across
+	 * suspend/resume) various fixed data locations, each one of these
+	 * takes a reference on INSTMEM itself, causing it to never be
+	 * freed.  We drop all the self-references here to avoid this.
+	 */
+	if (unlikely(!priv->created))
+		atomic_dec(&engine->refcount);
+
+	return 0;
+}
+
+static int
+nv04_instmem_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+		  struct nouveau_oclass *oclass, void *data, u32 size,
+		  struct nouveau_object **pobject)
+{
 	struct nv04_instmem_priv *priv;
 	int ret;
 
-	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
-	dev_priv->engine.instmem.priv = priv;
+	ret = nouveau_instmem_create(parent, engine, oclass, &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
 
-	/* PRAMIN aperture maps over the end of vram, reserve the space */
-	dev_priv->ramin_available = true;
-	dev_priv->ramin_rsvd_vram = 512 * 1024;
+	/* PRAMIN aperture maps over the end of VRAM, reserve it */
+	priv->base.reserved = 512 * 1024;
+	priv->base.alloc    = nv04_instmem_alloc;
 
-	ret = drm_mm_init(&dev_priv->ramin_heap, 0, dev_priv->ramin_rsvd_vram);
+	ret = nouveau_mm_init(&priv->heap, 0, priv->base.reserved, 1);
 	if (ret)
 		return ret;
 
 	/* 0x00000-0x10000: reserve for probable vbios image */
-	ret = nouveau_gpuobj_new(dev, NULL, 0x10000, 0, 0, &priv->vbios);
+	ret = nouveau_gpuobj_new(parent, NULL, 0x10000, 0, 0, &priv->vbios);
 	if (ret)
 		return ret;
 
 	/* 0x10000-0x18000: reserve for RAMHT */
-	ret = nouveau_gpuobj_new(dev, NULL, 0x08000, 0, NVOBJ_FLAG_ZERO_ALLOC,
-				&priv->ramht);
+	ret = nouveau_gpuobj_new(parent, NULL, 0x08000, 0,
+				 NVOBJ_FLAG_ZERO_ALLOC, &priv->ramht);
 	if (ret)
 		return ret;
 
-	/* 0x18000-0x18200: reserve for RAMRO */
-	ret = nouveau_gpuobj_new(dev, NULL, 0x00200, 0, 0, &priv->ramro);
+	/* 0x18000-0x18800: reserve for RAMFC (enough for 32 nv30 channels) */
+	ret = nouveau_gpuobj_new(parent, NULL, 0x00800, 0,
+				 NVOBJ_FLAG_ZERO_ALLOC, &priv->ramfc);
 	if (ret)
 		return ret;
 
-	/* 0x18200-0x18a00: reserve for RAMFC (enough for 32 nv30 channels) */
-	ret = nouveau_gpuobj_new(dev, NULL, 0x00800, 0, NVOBJ_FLAG_ZERO_ALLOC,
-				&priv->ramfc);
+	/* 0x18800-0x18a00: reserve for RAMRO */
+	ret = nouveau_gpuobj_new(parent, NULL, 0x00200, 0, 0, &priv->ramro);
 	if (ret)
 		return ret;
 
-	ret = nouveau_ramht_new(dev, priv->ramht, &dev_priv->ramht);
-	if (ret)
-		return ret;
-
+	priv->created = true;
 	return 0;
 }
 
 void
-nv04_instmem_takedown(struct drm_device *dev)
+nv04_instmem_dtor(struct nouveau_object *object)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nv04_instmem_priv *priv = dev_priv->engine.instmem.priv;
-
-	nouveau_ramht_ref(NULL, &dev_priv->ramht, NULL);
+	struct nv04_instmem_priv *priv = (void *)object;
 	nouveau_gpuobj_ref(NULL, &priv->ramfc);
 	nouveau_gpuobj_ref(NULL, &priv->ramro);
 	nouveau_gpuobj_ref(NULL, &priv->ramht);
-
-	if (drm_mm_initialized(&dev_priv->ramin_heap))
-		drm_mm_takedown(&dev_priv->ramin_heap);
-
-	kfree(priv);
-	dev_priv->engine.instmem.priv = NULL;
+	nouveau_gpuobj_ref(NULL, &priv->vbios);
+	nouveau_mm_fini(&priv->heap);
+	if (priv->iomem)
+		iounmap(priv->iomem);
+	nouveau_instmem_destroy(&priv->base);
 }
 
-int
-nv04_instmem_suspend(struct drm_device *dev)
+static u32
+nv04_instmem_rd32(struct nouveau_object *object, u32 addr)
 {
-	return 0;
+	return nv_rd32(object, 0x700000 + addr);
 }
 
-void
-nv04_instmem_resume(struct drm_device *dev)
+static void
+nv04_instmem_wr32(struct nouveau_object *object, u32 addr, u32 data)
 {
+	return nv_wr32(object, 0x700000 + addr, data);
 }
 
-int
-nv04_instmem_get(struct nouveau_gpuobj *gpuobj, struct nouveau_channel *chan,
-		 u32 size, u32 align)
-{
-	struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
-	struct drm_mm_node *ramin = NULL;
-
-	do {
-		if (drm_mm_pre_get(&dev_priv->ramin_heap))
-			return -ENOMEM;
-
-		spin_lock(&dev_priv->ramin_lock);
-		ramin = drm_mm_search_free(&dev_priv->ramin_heap, size, align, 0);
-		if (ramin == NULL) {
-			spin_unlock(&dev_priv->ramin_lock);
-			return -ENOMEM;
-		}
-
-		ramin = drm_mm_get_block_atomic(ramin, size, align);
-		spin_unlock(&dev_priv->ramin_lock);
-	} while (ramin == NULL);
-
-	gpuobj->node  = ramin;
-	gpuobj->vinst = ramin->start;
-	return 0;
-}
-
-void
-nv04_instmem_put(struct nouveau_gpuobj *gpuobj)
-{
-	struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
-
-	spin_lock(&dev_priv->ramin_lock);
-	drm_mm_put_block(gpuobj->node);
-	gpuobj->node = NULL;
-	spin_unlock(&dev_priv->ramin_lock);
-}
-
-int
-nv04_instmem_map(struct nouveau_gpuobj *gpuobj)
-{
-	gpuobj->pinst = gpuobj->vinst;
-	return 0;
-}
-
-void
-nv04_instmem_unmap(struct nouveau_gpuobj *gpuobj)
-{
-}
-
-void
-nv04_instmem_flush(struct drm_device *dev)
-{
-}
+struct nouveau_oclass
+nv04_instmem_oclass = {
+	.handle = NV_SUBDEV(INSTMEM, 0x04),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv04_instmem_ctor,
+		.dtor = nv04_instmem_dtor,
+		.init = _nouveau_instmem_init,
+		.fini = _nouveau_instmem_fini,
+		.rd32 = nv04_instmem_rd32,
+		.wr32 = nv04_instmem_wr32,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.h b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.h
index a8c1104..b2f82f9 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.h
+++ b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.h
@@ -1,11 +1,32 @@
 #ifndef __NV04_INSTMEM_H__
 #define __NV04_INSTMEM_H__
 
+#include <core/gpuobj.h>
+#include <core/mm.h>
+
+#include <subdev/instmem.h>
+
 struct nv04_instmem_priv {
+	struct nouveau_instmem base;
+	bool created;
+
+	void __iomem *iomem;
+	struct nouveau_mm heap;
+
 	struct nouveau_gpuobj *vbios;
 	struct nouveau_gpuobj *ramht;
 	struct nouveau_gpuobj *ramro;
 	struct nouveau_gpuobj *ramfc;
 };
 
+struct nv04_instobj_priv {
+	struct nouveau_instobj base;
+	struct nouveau_mm_node *mem;
+};
+
+void nv04_instmem_dtor(struct nouveau_object *);
+
+int nv04_instmem_alloc(struct nouveau_instmem *, struct nouveau_object *,
+		       u32 size, u32 align, struct nouveau_object **pobject);
+
 #endif
diff --git a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c
index 7c938ae..6a22160 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c
@@ -1,165 +1,139 @@
-#include "drmP.h"
-#include "drm.h"
-
-#include "nouveau_drv.h"
-#include <engine/fifo.h>
-#include <core/ramht.h>
+/*
+ * Copyright 2012 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 "nv04.h"
 
-int nv40_instmem_init(struct drm_device *dev)
+static inline int
+nv44_graph_class(struct nv04_instmem_priv *priv)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nv04_instmem_priv *priv;
-	u32 vs, rsvd;
-	int ret;
+	if ((nv_device(priv)->chipset & 0xf0) == 0x60)
+		return 1;
+	return !(0x0baf & (1 << (nv_device(priv)->chipset & 0x0f)));
+}
 
-	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
-	dev_priv->engine.instmem.priv = priv;
+static int
+nv40_instmem_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+		  struct nouveau_oclass *oclass, void *data, u32 size,
+		  struct nouveau_object **pobject)
+{
+	struct nouveau_device *device = nv_device(parent);
+	struct pci_dev *pdev = device->pdev;
+	struct nv04_instmem_priv *priv;
+	int ret, bar, vs;
+
+	ret = nouveau_instmem_create(parent, engine, oclass, &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	/* map bar */
+	if (pci_resource_len(pdev, 2))
+		bar = 2;
+	else
+		bar = 3;
+
+	priv->iomem = ioremap(pci_resource_start(pdev, bar),
+			      pci_resource_len(pdev, bar));
+	if (!priv->iomem) {
+		nv_error(priv, "unable to map PRAMIN BAR\n");
+		return -EFAULT;
+	}
 
 	/* PRAMIN aperture maps over the end of vram, reserve enough space
 	 * to fit graphics contexts for every channel, the magics come
 	 * from engine/graph/nv40.c
 	 */
-	vs = hweight8((nv_rd32(dev, 0x001540) & 0x0000ff00) >> 8);
-	if      (dev_priv->chipset == 0x40) rsvd = 0x6aa0 * vs;
-	else if (dev_priv->chipset  < 0x43) rsvd = 0x4f00 * vs;
-	else if (nv44_graph_class(dev))	    rsvd = 0x4980 * vs;
-	else				    rsvd = 0x4a40 * vs;
-	rsvd += 16 * 1024;
-	rsvd *= 32;		/* per-channel */
-	rsvd += 512 * 1024;	/* pci(e)gart table */
-	rsvd += 512 * 1024;	/* object storage */
-	dev_priv->ramin_rsvd_vram = round_up(rsvd, 4096);
-	dev_priv->ramin_available = true;
+	vs = hweight8((nv_rd32(priv, 0x001540) & 0x0000ff00) >> 8);
+	if      (device->chipset == 0x40) priv->base.reserved = 0x6aa0 * vs;
+	else if (device->chipset  < 0x43) priv->base.reserved = 0x4f00 * vs;
+	else if (nv44_graph_class(priv))  priv->base.reserved = 0x4980 * vs;
+	else				  priv->base.reserved = 0x4a40 * vs;
+	priv->base.reserved += 16 * 1024;
+	priv->base.reserved *= 32;		/* per-channel */
+	priv->base.reserved += 512 * 1024;	/* pci(e)gart table */
+	priv->base.reserved += 512 * 1024;	/* object storage */
 
-	ret = drm_mm_init(&dev_priv->ramin_heap, 0, dev_priv->ramin_rsvd_vram);
+	priv->base.reserved = round_up(priv->base.reserved, 4096);
+	priv->base.alloc    = nv04_instmem_alloc;
+
+	ret = nouveau_mm_init(&priv->heap, 0, priv->base.reserved, 1);
 	if (ret)
 		return ret;
 
 	/* 0x00000-0x10000: reserve for probable vbios image */
-	ret = nouveau_gpuobj_new(dev, NULL, 0x10000, 0, 0, &priv->vbios);
+	ret = nouveau_gpuobj_new(parent, NULL, 0x10000, 0, 0, &priv->vbios);
 	if (ret)
 		return ret;
 
 	/* 0x10000-0x18000: reserve for RAMHT */
-	ret = nouveau_gpuobj_new(dev, NULL, 0x08000, 0, NVOBJ_FLAG_ZERO_ALLOC,
-				&priv->ramht);
+	ret = nouveau_gpuobj_new(parent, NULL, 0x08000, 0,
+				 NVOBJ_FLAG_ZERO_ALLOC, &priv->ramht);
 	if (ret)
 		return ret;
 
 	/* 0x18000-0x18200: reserve for RAMRO
 	 * 0x18200-0x20000: padding
 	 */
-	ret = nouveau_gpuobj_new(dev, NULL, 0x08000, 0, 0, &priv->ramro);
+	ret = nouveau_gpuobj_new(parent, NULL, 0x08000, 0, 0, &priv->ramro);
 	if (ret)
 		return ret;
 
 	/* 0x20000-0x21000: reserve for RAMFC
-	 * 0x21000-0x40000: padding + some unknown stuff (see below)
-	 *
-	 * It appears something is controlled by 0x2220/0x2230 on certain
-	 * NV4x chipsets as well as RAMFC.  When 0x2230 == 0 ("new style"
-	 * control) the upper 16-bits of 0x2220 points at this other
-	 * mysterious table that's clobbering important things.
-	 *
-	 * We're now pointing this at RAMIN+0x30000 to avoid RAMFC getting
-	 * smashed to pieces on us, so reserve 0x30000-0x40000 too..
+	 * 0x21000-0x40000: padding and some unknown crap
 	 */
-	ret = nouveau_gpuobj_new(dev, NULL, 0x20000, 0, NVOBJ_FLAG_ZERO_ALLOC,
-				&priv->ramfc);
+	ret = nouveau_gpuobj_new(parent, NULL, 0x20000, 0,
+				 NVOBJ_FLAG_ZERO_ALLOC, &priv->ramfc);
 	if (ret)
 		return ret;
 
-	ret = nouveau_ramht_new(dev, priv->ramht, &dev_priv->ramht);
-	if (ret)
-		return ret;
-
+	priv->created = true;
 	return 0;
 }
 
-void
-nv40_instmem_takedown(struct drm_device *dev)
+static u32
+nv40_instmem_rd32(struct nouveau_object *object, u32 addr)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nv04_instmem_priv *priv = dev_priv->engine.instmem.priv;
-
-	nouveau_ramht_ref(NULL, &dev_priv->ramht, NULL);
-	nouveau_gpuobj_ref(NULL, &priv->ramfc);
-	nouveau_gpuobj_ref(NULL, &priv->ramro);
-	nouveau_gpuobj_ref(NULL, &priv->ramht);
-
-	if (drm_mm_initialized(&dev_priv->ramin_heap))
-		drm_mm_takedown(&dev_priv->ramin_heap);
-
-	kfree(priv);
-	dev_priv->engine.instmem.priv = NULL;
+	struct nv04_instmem_priv *priv = (void *)object;
+	return ioread32_native(priv->iomem + addr);
 }
 
-int
-nv40_instmem_suspend(struct drm_device *dev)
+static void
+nv40_instmem_wr32(struct nouveau_object *object, u32 addr, u32 data)
 {
-	return 0;
+	struct nv04_instmem_priv *priv = (void *)object;
+	iowrite32_native(data, priv->iomem + addr);
 }
 
-void
-nv40_instmem_resume(struct drm_device *dev)
-{
-}
-
-int
-nv40_instmem_get(struct nouveau_gpuobj *gpuobj, struct nouveau_channel *chan,
-		 u32 size, u32 align)
-{
-	struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
-	struct drm_mm_node *ramin = NULL;
-
-	do {
-		if (drm_mm_pre_get(&dev_priv->ramin_heap))
-			return -ENOMEM;
-
-		spin_lock(&dev_priv->ramin_lock);
-		ramin = drm_mm_search_free(&dev_priv->ramin_heap, size, align, 0);
-		if (ramin == NULL) {
-			spin_unlock(&dev_priv->ramin_lock);
-			return -ENOMEM;
-		}
-
-		ramin = drm_mm_get_block_atomic(ramin, size, align);
-		spin_unlock(&dev_priv->ramin_lock);
-	} while (ramin == NULL);
-
-	gpuobj->node  = ramin;
-	gpuobj->vinst = ramin->start;
-	return 0;
-}
-
-void
-nv40_instmem_put(struct nouveau_gpuobj *gpuobj)
-{
-	struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
-
-	spin_lock(&dev_priv->ramin_lock);
-	drm_mm_put_block(gpuobj->node);
-	gpuobj->node = NULL;
-	spin_unlock(&dev_priv->ramin_lock);
-}
-
-int
-nv40_instmem_map(struct nouveau_gpuobj *gpuobj)
-{
-	gpuobj->pinst = gpuobj->vinst;
-	return 0;
-}
-
-void
-nv40_instmem_unmap(struct nouveau_gpuobj *gpuobj)
-{
-}
-
-void
-nv40_instmem_flush(struct drm_device *dev)
-{
-}
+struct nouveau_oclass
+nv40_instmem_oclass = {
+	.handle = NV_SUBDEV(INSTMEM, 0x40),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv40_instmem_ctor,
+		.dtor = nv04_instmem_dtor,
+		.init = _nouveau_instmem_init,
+		.fini = _nouveau_instmem_fini,
+		.rd32 = nv40_instmem_rd32,
+		.wr32 = nv40_instmem_wr32,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv50.c
index f88530b..27ef089 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv50.c
@@ -1,390 +1,172 @@
 /*
- * Copyright (C) 2007 Ben Skeggs.
+ * Copyright 2012 Red Hat Inc.
  *
- * 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, 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:
  *
- * 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 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 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.
  *
- * 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 OWNER(S) 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.
- *
+ * Authors: Ben Skeggs
  */
 
-#include "drmP.h"
-#include "drm.h"
+#include <subdev/instmem.h>
+#include <subdev/fb.h>
 
-#include "nouveau_drv.h"
-#include <subdev/vm.h>
-
-#define BAR1_VM_BASE 0x0020000000ULL
-#define BAR1_VM_SIZE pci_resource_len(dev->pdev, 1)
-#define BAR3_VM_BASE 0x0000000000ULL
-#define BAR3_VM_SIZE pci_resource_len(dev->pdev, 3)
+#include <core/mm.h>
 
 struct nv50_instmem_priv {
-	uint32_t save1700[5]; /* 0x1700->0x1710 */
-
-	struct nouveau_gpuobj *bar1_dmaobj;
-	struct nouveau_gpuobj *bar3_dmaobj;
+	struct nouveau_instmem base;
+	spinlock_t lock;
+	u64 addr;
 };
 
-static void
-nv50_channel_del(struct nouveau_channel **pchan)
+struct nv50_instobj_priv {
+	struct nouveau_instobj base;
+	struct nouveau_mem *mem;
+};
+
+static int
+nv50_instobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+		  struct nouveau_oclass *oclass, void *data, u32 size,
+		  struct nouveau_object **pobject)
 {
-	struct nouveau_channel *chan;
+	struct nouveau_fb *pfb = nouveau_fb(parent);
+	struct nv50_instobj_priv *node;
+	u32 align = (unsigned long)data;
+	int ret;
 
-	chan = *pchan;
-	*pchan = NULL;
-	if (!chan)
-		return;
+	size  = max((size  + 4095) & ~4095, (u32)4096);
+	align = max((align + 4095) & ~4095, (u32)4096);
 
-	nouveau_vm_ref(NULL, &chan->vm, chan->vm_pd);
-	nouveau_gpuobj_ref(NULL, &chan->vm_pd);
-	if (drm_mm_initialized(&chan->ramin_heap))
-		drm_mm_takedown(&chan->ramin_heap);
-	nouveau_gpuobj_ref(NULL, &chan->ramin);
-	kfree(chan);
+	ret = nouveau_instobj_create(parent, engine, oclass, &node);
+	*pobject = nv_object(node);
+	if (ret)
+		return ret;
+
+	ret = pfb->ram.get(pfb, size, align, 0, 0x800, &node->mem);
+	if (ret)
+		return ret;
+
+	node->base.addr = node->mem->offset;
+	node->base.size = node->mem->size << 12;
+	node->mem->page_shift = 12;
+	return 0;
+}
+
+static void
+nv50_instobj_dtor(struct nouveau_object *object)
+{
+	struct nv50_instobj_priv *node = (void *)object;
+	struct nouveau_fb *pfb = nouveau_fb(object);
+	pfb->ram.put(pfb, &node->mem);
+	nouveau_instobj_destroy(&node->base);
+}
+
+static u32
+nv50_instobj_rd32(struct nouveau_object *object, u32 offset)
+{
+	struct nv50_instmem_priv *priv = (void *)object->engine;
+	struct nv50_instobj_priv *node = (void *)object;
+	unsigned long flags;
+	u64 base = (node->mem->offset + offset) & 0xffffff00000ULL;
+	u64 addr = (node->mem->offset + offset) & 0x000000fffffULL;
+	u32 data;
+
+	spin_lock_irqsave(&priv->lock, flags);
+	if (unlikely(priv->addr != base)) {
+		nv_wr32(priv, 0x001700, base >> 16);
+		priv->addr = base;
+	}
+	data = nv_rd32(priv, 0x700000 + addr);
+	spin_unlock_irqrestore(&priv->lock, flags);
+	return data;
+}
+
+static void
+nv50_instobj_wr32(struct nouveau_object *object, u32 offset, u32 data)
+{
+	struct nv50_instmem_priv *priv = (void *)object->engine;
+	struct nv50_instobj_priv *node = (void *)object;
+	unsigned long flags;
+	u64 base = (node->mem->offset + offset) & 0xffffff00000ULL;
+	u64 addr = (node->mem->offset + offset) & 0x000000fffffULL;
+
+	spin_lock_irqsave(&priv->lock, flags);
+	if (unlikely(priv->addr != base)) {
+		nv_wr32(priv, 0x001700, base >> 16);
+		priv->addr = base;
+	}
+	nv_wr32(priv, 0x700000 + addr, data);
+	spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+static struct nouveau_oclass
+nv50_instobj_oclass = {
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv50_instobj_ctor,
+		.dtor = nv50_instobj_dtor,
+		.init = _nouveau_instobj_init,
+		.fini = _nouveau_instobj_fini,
+		.rd32 = nv50_instobj_rd32,
+		.wr32 = nv50_instobj_wr32,
+	},
+};
+
+static int
+nv50_instmem_alloc(struct nouveau_instmem *imem, struct nouveau_object *parent,
+		   u32 size, u32 align, struct nouveau_object **pobject)
+{
+	struct nouveau_object *engine = nv_object(imem);
+	return nouveau_object_ctor(parent, engine, &nv50_instobj_oclass,
+				   (void *)(unsigned long)align, size, pobject);
 }
 
 static int
-nv50_channel_new(struct drm_device *dev, u32 size, struct nouveau_vm *vm,
-		 struct nouveau_channel **pchan)
+nv50_instmem_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+		  struct nouveau_oclass *oclass, void *data, u32 size,
+		  struct nouveau_object **pobject)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	u32 pgd = (dev_priv->chipset == 0x50) ? 0x1400 : 0x0200;
-	struct nouveau_channel *chan;
-	int ret, i;
-
-	chan = kzalloc(sizeof(*chan), GFP_KERNEL);
-	if (!chan)
-		return -ENOMEM;
-	chan->dev = dev;
-
-	ret = nouveau_gpuobj_new(dev, NULL, size, 0x1000, 0, &chan->ramin);
-	if (ret) {
-		nv50_channel_del(&chan);
-		return ret;
-	}
-
-	ret = drm_mm_init(&chan->ramin_heap, pgd, chan->ramin->size - pgd);
-	if (ret) {
-		nv50_channel_del(&chan);
-		return ret;
-	}
-
-	ret = nouveau_gpuobj_new(dev, chan, 0x4000, 0, 0, &chan->vm_pd);
-	if (ret) {
-		nv50_channel_del(&chan);
-		return ret;
-	}
-
-	for (i = 0; i < 0x4000; i += 8) {
-		nv_wo32(chan->vm_pd, i + 0, 0x00000000);
-		nv_wo32(chan->vm_pd, i + 4, 0xdeadcafe);
-	}
-
-	ret = nouveau_vm_ref(vm, &chan->vm, chan->vm_pd);
-	if (ret) {
-		nv50_channel_del(&chan);
-		return ret;
-	}
-
-	*pchan = chan;
-	return 0;
-}
-
-int
-nv50_instmem_init(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nv50_instmem_priv *priv;
-	struct nouveau_channel *chan;
-	struct nouveau_vm *vm;
-	int ret, i;
-	u32 tmp;
+	int ret;
 
-	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
-	dev_priv->engine.instmem.priv = priv;
-
-	/* Save state, will restore at takedown. */
-	for (i = 0x1700; i <= 0x1710; i += 4)
-		priv->save1700[(i-0x1700)/4] = nv_rd32(dev, i);
-
-	/* Global PRAMIN heap */
-	ret = drm_mm_init(&dev_priv->ramin_heap, 0, dev_priv->ramin_size);
-	if (ret) {
-		NV_ERROR(dev, "Failed to init RAMIN heap\n");
-		goto error;
-	}
-
-	/* BAR3 */
-	ret = nouveau_vm_new(dev, BAR3_VM_BASE, BAR3_VM_SIZE, BAR3_VM_BASE,
-			     &dev_priv->bar3_vm);
-	if (ret)
-		goto error;
-
-	ret = nouveau_gpuobj_new(dev, NULL, (BAR3_VM_SIZE >> 12) * 8,
-				 0x1000, NVOBJ_FLAG_DONT_MAP |
-				 NVOBJ_FLAG_ZERO_ALLOC,
-				 &dev_priv->bar3_vm->pgt[0].obj[0]);
-	if (ret)
-		goto error;
-	dev_priv->bar3_vm->pgt[0].refcount[0] = 1;
-
-	nv50_instmem_map(dev_priv->bar3_vm->pgt[0].obj[0]);
-
-	ret = nv50_channel_new(dev, 128 * 1024, dev_priv->bar3_vm, &chan);
-	if (ret)
-		goto error;
-	dev_priv->channels.ptr[0] = dev_priv->channels.ptr[127] = chan;
-
-	ret = nv50_gpuobj_dma_new(chan, 0x0000, BAR3_VM_BASE, BAR3_VM_SIZE,
-				  NV_MEM_TARGET_VM, NV_MEM_ACCESS_VM,
-				  NV_MEM_TYPE_VM, NV_MEM_COMP_VM,
-				  &priv->bar3_dmaobj);
-	if (ret)
-		goto error;
-
-	nv_wr32(dev, 0x001704, 0x00000000 | (chan->ramin->vinst >> 12));
-	nv_wr32(dev, 0x001704, 0x40000000 | (chan->ramin->vinst >> 12));
-	nv_wr32(dev, 0x00170c, 0x80000000 | (priv->bar3_dmaobj->cinst >> 4));
-
-	dev_priv->engine.instmem.flush(dev);
-	dev_priv->ramin_available = true;
-
-	tmp = nv_ro32(chan->ramin, 0);
-	nv_wo32(chan->ramin, 0, ~tmp);
-	if (nv_ro32(chan->ramin, 0) != ~tmp) {
-		NV_ERROR(dev, "PRAMIN readback failed\n");
-		ret = -EIO;
-		goto error;
-	}
-	nv_wo32(chan->ramin, 0, tmp);
-
-	/* BAR1 */
-	ret = nouveau_vm_new(dev, BAR1_VM_BASE, BAR1_VM_SIZE, BAR1_VM_BASE, &vm);
-	if (ret)
-		goto error;
-
-	ret = nouveau_vm_ref(vm, &dev_priv->bar1_vm, chan->vm_pd);
-	if (ret)
-		goto error;
-	nouveau_vm_ref(NULL, &vm, NULL);
-
-	ret = nv50_gpuobj_dma_new(chan, 0x0000, BAR1_VM_BASE, BAR1_VM_SIZE,
-				  NV_MEM_TARGET_VM, NV_MEM_ACCESS_VM,
-				  NV_MEM_TYPE_VM, NV_MEM_COMP_VM,
-				  &priv->bar1_dmaobj);
-	if (ret)
-		goto error;
-
-	nv_wr32(dev, 0x001708, 0x80000000 | (priv->bar1_dmaobj->cinst >> 4));
-	for (i = 0; i < 8; i++)
-		nv_wr32(dev, 0x1900 + (i*4), 0);
-
-	/* Create shared channel VM, space is reserved at the beginning
-	 * to catch "NULL pointer" references
-	 */
-	ret = nouveau_vm_new(dev, 0, (1ULL << 40), 0x0020000000ULL,
-			     &dev_priv->chan_vm);
+	ret = nouveau_instmem_create(parent, engine, oclass, &priv);
+	*pobject = nv_object(priv);
 	if (ret)
 		return ret;
 
-	return 0;
-
-error:
-	nv50_instmem_takedown(dev);
-	return ret;
-}
-
-void
-nv50_instmem_takedown(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nv50_instmem_priv *priv = dev_priv->engine.instmem.priv;
-	struct nouveau_channel *chan = dev_priv->channels.ptr[0];
-	int i;
-
-	NV_DEBUG(dev, "\n");
-
-	if (!priv)
-		return;
-
-	dev_priv->ramin_available = false;
-
-	nouveau_vm_ref(NULL, &dev_priv->chan_vm, NULL);
-
-	for (i = 0x1700; i <= 0x1710; i += 4)
-		nv_wr32(dev, i, priv->save1700[(i - 0x1700) / 4]);
-
-	nouveau_gpuobj_ref(NULL, &priv->bar3_dmaobj);
-	nouveau_gpuobj_ref(NULL, &priv->bar1_dmaobj);
-
-	nouveau_vm_ref(NULL, &dev_priv->bar1_vm, chan->vm_pd);
-	dev_priv->channels.ptr[127] = 0;
-	nv50_channel_del(&dev_priv->channels.ptr[0]);
-
-	nouveau_gpuobj_ref(NULL, &dev_priv->bar3_vm->pgt[0].obj[0]);
-	nouveau_vm_ref(NULL, &dev_priv->bar3_vm, NULL);
-
-	if (drm_mm_initialized(&dev_priv->ramin_heap))
-		drm_mm_takedown(&dev_priv->ramin_heap);
-
-	dev_priv->engine.instmem.priv = NULL;
-	kfree(priv);
-}
-
-int
-nv50_instmem_suspend(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-
-	dev_priv->ramin_available = false;
+	spin_lock_init(&priv->lock);
+	priv->base.alloc = nv50_instmem_alloc;
 	return 0;
 }
 
-void
-nv50_instmem_resume(struct drm_device *dev)
+static int
+nv50_instmem_fini(struct nouveau_object *object, bool suspend)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nv50_instmem_priv *priv = dev_priv->engine.instmem.priv;
-	struct nouveau_channel *chan = dev_priv->channels.ptr[0];
-	int i;
-
-	/* Poke the relevant regs, and pray it works :) */
-	nv_wr32(dev, NV50_PUNK_BAR_CFG_BASE, (chan->ramin->vinst >> 12));
-	nv_wr32(dev, NV50_PUNK_UNK1710, 0);
-	nv_wr32(dev, NV50_PUNK_BAR_CFG_BASE, (chan->ramin->vinst >> 12) |
-					 NV50_PUNK_BAR_CFG_BASE_VALID);
-	nv_wr32(dev, NV50_PUNK_BAR1_CTXDMA, (priv->bar1_dmaobj->cinst >> 4) |
-					NV50_PUNK_BAR1_CTXDMA_VALID);
-	nv_wr32(dev, NV50_PUNK_BAR3_CTXDMA, (priv->bar3_dmaobj->cinst >> 4) |
-					NV50_PUNK_BAR3_CTXDMA_VALID);
-
-	for (i = 0; i < 8; i++)
-		nv_wr32(dev, 0x1900 + (i*4), 0);
-
-	dev_priv->ramin_available = true;
+	struct nv50_instmem_priv *priv = (void *)object;
+	priv->addr = ~0ULL;
+	return nouveau_instmem_fini(&priv->base, suspend);
 }
 
-struct nv50_gpuobj_node {
-	struct nouveau_mem *vram;
-	struct nouveau_vma chan_vma;
-	u32 align;
+struct nouveau_oclass
+nv50_instmem_oclass = {
+	.handle = NV_SUBDEV(INSTMEM, 0x50),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv50_instmem_ctor,
+		.dtor = _nouveau_instmem_dtor,
+		.init = _nouveau_instmem_init,
+		.fini = nv50_instmem_fini,
+	},
 };
-
-int
-nv50_instmem_get(struct nouveau_gpuobj *gpuobj, struct nouveau_channel *chan,
-		 u32 size, u32 align)
-{
-	struct drm_device *dev = gpuobj->dev;
-	struct nv50_gpuobj_node *node = NULL;
-	int ret;
-
-	node = kzalloc(sizeof(*node), GFP_KERNEL);
-	if (!node)
-		return -ENOMEM;
-	node->align = align;
-
-	size  = (size + 4095) & ~4095;
-	align = max(align, (u32)4096);
-
-	ret = nvfb_vram_get(dev, size, align, 0, 0x800, &node->vram);
-	if (ret) {
-		kfree(node);
-		return ret;
-	}
-
-	gpuobj->vinst = node->vram->offset;
-	gpuobj->size = size;
-	gpuobj->node = node;
-	return 0;
-}
-
-void
-nv50_instmem_put(struct nouveau_gpuobj *gpuobj)
-{
-	struct drm_device *dev = gpuobj->dev;
-	struct nv50_gpuobj_node *node;
-
-	node = gpuobj->node;
-	gpuobj->node = NULL;
-
-	if (node->chan_vma.node) {
-		nouveau_vm_unmap(&node->chan_vma);
-		nouveau_vm_put(&node->chan_vma);
-	}
-	nvfb_vram_put(dev, &node->vram);
-	kfree(node);
-}
-
-int
-nv50_instmem_map(struct nouveau_gpuobj *gpuobj)
-{
-	struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
-	struct nv50_gpuobj_node *node = gpuobj->node;
-	int ret;
-
-	ret = nouveau_vm_get(dev_priv->bar3_vm, gpuobj->size, 12,
-			     NV_MEM_ACCESS_RW, &node->vram->bar_vma);
-	if (ret)
-		return ret;
-
-	nouveau_vm_map(&node->vram->bar_vma, node->vram);
-	gpuobj->pinst = node->vram->bar_vma.offset;
-	return 0;
-}
-
-void
-nv50_instmem_unmap(struct nouveau_gpuobj *gpuobj)
-{
-	struct nv50_gpuobj_node *node = gpuobj->node;
-
-	if (node->vram->bar_vma.node) {
-		nouveau_vm_unmap(&node->vram->bar_vma);
-		nouveau_vm_put(&node->vram->bar_vma);
-	}
-}
-
-void
-nv50_instmem_flush(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev_priv->vm_lock, flags);
-	nv_wr32(dev, 0x00330c, 0x00000001);
-	if (!nv_wait(dev, 0x00330c, 0x00000002, 0x00000000))
-		NV_ERROR(dev, "PRAMIN flush timeout\n");
-	spin_unlock_irqrestore(&dev_priv->vm_lock, flags);
-}
-
-void
-nv84_instmem_flush(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev_priv->vm_lock, flags);
-	nv_wr32(dev, 0x070000, 0x00000001);
-	if (!nv_wait(dev, 0x070000, 0x00000002, 0x00000000))
-		NV_ERROR(dev, "PRAMIN flush timeout\n");
-	spin_unlock_irqrestore(&dev_priv->vm_lock, flags);
-}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/instmem/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/instmem/nvc0.c
deleted file mode 100644
index 0ce9869..0000000
--- a/drivers/gpu/drm/nouveau/core/subdev/instmem/nvc0.c
+++ /dev/null
@@ -1,222 +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 <subdev/vm.h>
-
-struct nvc0_instmem_priv {
-	struct nouveau_gpuobj  *bar1_pgd;
-	struct nouveau_channel *bar1;
-	struct nouveau_gpuobj  *bar3_pgd;
-	struct nouveau_channel *bar3;
-};
-
-int
-nvc0_instmem_suspend(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-
-	dev_priv->ramin_available = false;
-	return 0;
-}
-
-void
-nvc0_instmem_resume(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvc0_instmem_priv *priv = dev_priv->engine.instmem.priv;
-
-	nv_mask(dev, 0x100c80, 0x00000001, 0x00000000);
-	nv_wr32(dev, 0x001704, 0x80000000 | priv->bar1->ramin->vinst >> 12);
-	nv_wr32(dev, 0x001714, 0xc0000000 | priv->bar3->ramin->vinst >> 12);
-	dev_priv->ramin_available = true;
-}
-
-static void
-nvc0_channel_del(struct nouveau_channel **pchan)
-{
-	struct nouveau_channel *chan;
-
-	chan = *pchan;
-	*pchan = NULL;
-	if (!chan)
-		return;
-
-	nouveau_vm_ref(NULL, &chan->vm, NULL);
-	if (drm_mm_initialized(&chan->ramin_heap))
-		drm_mm_takedown(&chan->ramin_heap);
-	nouveau_gpuobj_ref(NULL, &chan->ramin);
-	kfree(chan);
-}
-
-static int
-nvc0_channel_new(struct drm_device *dev, u32 size, struct nouveau_vm *vm,
-		 struct nouveau_channel **pchan,
-		 struct nouveau_gpuobj *pgd, u64 vm_size)
-{
-	struct nouveau_channel *chan;
-	int ret;
-
-	chan = kzalloc(sizeof(*chan), GFP_KERNEL);
-	if (!chan)
-		return -ENOMEM;
-	chan->dev = dev;
-
-	ret = nouveau_gpuobj_new(dev, NULL, size, 0x1000, 0, &chan->ramin);
-	if (ret) {
-		nvc0_channel_del(&chan);
-		return ret;
-	}
-
-	ret = drm_mm_init(&chan->ramin_heap, 0x1000, size - 0x1000);
-	if (ret) {
-		nvc0_channel_del(&chan);
-		return ret;
-	}
-
-	ret = nouveau_vm_ref(vm, &chan->vm, NULL);
-	if (ret) {
-		nvc0_channel_del(&chan);
-		return ret;
-	}
-
-	nv_wo32(chan->ramin, 0x0200, lower_32_bits(pgd->vinst));
-	nv_wo32(chan->ramin, 0x0204, upper_32_bits(pgd->vinst));
-	nv_wo32(chan->ramin, 0x0208, lower_32_bits(vm_size - 1));
-	nv_wo32(chan->ramin, 0x020c, upper_32_bits(vm_size - 1));
-
-	*pchan = chan;
-	return 0;
-}
-
-int
-nvc0_instmem_init(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
-	struct pci_dev *pdev = dev->pdev;
-	struct nvc0_instmem_priv *priv;
-	struct nouveau_vm *vm = NULL;
-	int ret;
-
-	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
-	pinstmem->priv = priv;
-
-	/* BAR3 VM */
-	ret = nouveau_vm_new(dev, 0, pci_resource_len(pdev, 3), 0,
-			     &dev_priv->bar3_vm);
-	if (ret)
-		goto error;
-
-	ret = nouveau_gpuobj_new(dev, NULL,
-				 (pci_resource_len(pdev, 3) >> 12) * 8, 0,
-				 NVOBJ_FLAG_DONT_MAP |
-				 NVOBJ_FLAG_ZERO_ALLOC,
-				 &dev_priv->bar3_vm->pgt[0].obj[0]);
-	if (ret)
-		goto error;
-	dev_priv->bar3_vm->pgt[0].refcount[0] = 1;
-
-	nv50_instmem_map(dev_priv->bar3_vm->pgt[0].obj[0]);
-
-	ret = nouveau_gpuobj_new(dev, NULL, 0x8000, 4096,
-				 NVOBJ_FLAG_ZERO_ALLOC, &priv->bar3_pgd);
-	if (ret)
-		goto error;
-
-	ret = nouveau_vm_ref(dev_priv->bar3_vm, &vm, priv->bar3_pgd);
-	if (ret)
-		goto error;
-	nouveau_vm_ref(NULL, &vm, NULL);
-
-	ret = nvc0_channel_new(dev, 8192, dev_priv->bar3_vm, &priv->bar3,
-			       priv->bar3_pgd, pci_resource_len(dev->pdev, 3));
-	if (ret)
-		goto error;
-
-	/* BAR1 VM */
-	ret = nouveau_vm_new(dev, 0, pci_resource_len(pdev, 1), 0, &vm);
-	if (ret)
-		goto error;
-
-	ret = nouveau_gpuobj_new(dev, NULL, 0x8000, 4096,
-				 NVOBJ_FLAG_ZERO_ALLOC, &priv->bar1_pgd);
-	if (ret)
-		goto error;
-
-	ret = nouveau_vm_ref(vm, &dev_priv->bar1_vm, priv->bar1_pgd);
-	if (ret)
-		goto error;
-	nouveau_vm_ref(NULL, &vm, NULL);
-
-	ret = nvc0_channel_new(dev, 8192, dev_priv->bar1_vm, &priv->bar1,
-			       priv->bar1_pgd, pci_resource_len(dev->pdev, 1));
-	if (ret)
-		goto error;
-
-	/* channel vm */
-	ret = nouveau_vm_new(dev, 0, (1ULL << 40), 0x0008000000ULL,
-			     &dev_priv->chan_vm);
-	if (ret)
-		goto error;
-
-	nvc0_instmem_resume(dev);
-	return 0;
-error:
-	nvc0_instmem_takedown(dev);
-	return ret;
-}
-
-void
-nvc0_instmem_takedown(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvc0_instmem_priv *priv = dev_priv->engine.instmem.priv;
-	struct nouveau_vm *vm = NULL;
-
-	nvc0_instmem_suspend(dev);
-
-	nv_wr32(dev, 0x1704, 0x00000000);
-	nv_wr32(dev, 0x1714, 0x00000000);
-
-	nouveau_vm_ref(NULL, &dev_priv->chan_vm, NULL);
-
-	nvc0_channel_del(&priv->bar1);
-	nouveau_vm_ref(NULL, &dev_priv->bar1_vm, priv->bar1_pgd);
-	nouveau_gpuobj_ref(NULL, &priv->bar1_pgd);
-
-	nvc0_channel_del(&priv->bar3);
-	nouveau_vm_ref(dev_priv->bar3_vm, &vm, NULL);
-	nouveau_vm_ref(NULL, &vm, priv->bar3_pgd);
-	nouveau_gpuobj_ref(NULL, &priv->bar3_pgd);
-	nouveau_gpuobj_ref(NULL, &dev_priv->bar3_vm->pgt[0].obj[0]);
-	nouveau_vm_ref(NULL, &dev_priv->bar3_vm, NULL);
-
-	dev_priv->engine.instmem.priv = NULL;
-	kfree(priv);
-}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c
index 9fb858a..b92b3d4 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c
@@ -22,22 +22,24 @@
  * Authors: Ben Skeggs
  */
 
-#include "drmP.h"
-#include "nouveau_drv.h"
+#include <core/gpuobj.h>
 #include <core/mm.h>
+
+#include <subdev/fb.h>
 #include <subdev/vm.h>
 
 void
 nouveau_vm_map_at(struct nouveau_vma *vma, u64 delta, struct nouveau_mem *node)
 {
 	struct nouveau_vm *vm = vma->vm;
+	struct nouveau_vmmgr *vmm = vm->vmm;
 	struct nouveau_mm_node *r;
-	int big = vma->node->type != vm->spg_shift;
+	int big = vma->node->type != vmm->spg_shift;
 	u32 offset = vma->node->offset + (delta >> 12);
 	u32 bits = vma->node->type - 12;
-	u32 pde  = (offset >> vm->pgt_bits) - vm->fpde;
-	u32 pte  = (offset & ((1 << vm->pgt_bits) - 1)) >> bits;
-	u32 max  = 1 << (vm->pgt_bits - bits);
+	u32 pde  = (offset >> vmm->pgt_bits) - vm->fpde;
+	u32 pte  = (offset & ((1 << vmm->pgt_bits) - 1)) >> bits;
+	u32 max  = 1 << (vmm->pgt_bits - bits);
 	u32 end, len;
 
 	delta = 0;
@@ -53,7 +55,7 @@
 				end = max;
 			len = end - pte;
 
-			vm->map(vma, pgt, node, pte, len, phys, delta);
+			vmm->map(vma, pgt, node, pte, len, phys, delta);
 
 			num -= len;
 			pte += len;
@@ -67,7 +69,7 @@
 		}
 	}
 
-	vm->flush(vm);
+	vmm->flush(vm);
 }
 
 void
@@ -81,13 +83,14 @@
 			struct nouveau_mem *mem)
 {
 	struct nouveau_vm *vm = vma->vm;
-	int big = vma->node->type != vm->spg_shift;
+	struct nouveau_vmmgr *vmm = vm->vmm;
+	int big = vma->node->type != vmm->spg_shift;
 	u32 offset = vma->node->offset + (delta >> 12);
 	u32 bits = vma->node->type - 12;
 	u32 num  = length >> vma->node->type;
-	u32 pde  = (offset >> vm->pgt_bits) - vm->fpde;
-	u32 pte  = (offset & ((1 << vm->pgt_bits) - 1)) >> bits;
-	u32 max  = 1 << (vm->pgt_bits - bits);
+	u32 pde  = (offset >> vmm->pgt_bits) - vm->fpde;
+	u32 pte  = (offset & ((1 << vmm->pgt_bits) - 1)) >> bits;
+	u32 max  = 1 << (vmm->pgt_bits - bits);
 	unsigned m, sglen;
 	u32 end, len;
 	int i;
@@ -105,7 +108,7 @@
 		for (m = 0; m < len; m++) {
 			dma_addr_t addr = sg_dma_address(sg) + (m << PAGE_SHIFT);
 
-			vm->map_sg(vma, pgt, mem, pte, 1, &addr);
+			vmm->map_sg(vma, pgt, mem, pte, 1, &addr);
 			num--;
 			pte++;
 
@@ -120,7 +123,7 @@
 			for (; m < sglen; m++) {
 				dma_addr_t addr = sg_dma_address(sg) + (m << PAGE_SHIFT);
 
-				vm->map_sg(vma, pgt, mem, pte, 1, &addr);
+				vmm->map_sg(vma, pgt, mem, pte, 1, &addr);
 				num--;
 				pte++;
 				if (num == 0)
@@ -130,7 +133,7 @@
 
 	}
 finish:
-	vm->flush(vm);
+	vmm->flush(vm);
 }
 
 void
@@ -138,14 +141,15 @@
 		  struct nouveau_mem *mem)
 {
 	struct nouveau_vm *vm = vma->vm;
+	struct nouveau_vmmgr *vmm = vm->vmm;
 	dma_addr_t *list = mem->pages;
-	int big = vma->node->type != vm->spg_shift;
+	int big = vma->node->type != vmm->spg_shift;
 	u32 offset = vma->node->offset + (delta >> 12);
 	u32 bits = vma->node->type - 12;
 	u32 num  = length >> vma->node->type;
-	u32 pde  = (offset >> vm->pgt_bits) - vm->fpde;
-	u32 pte  = (offset & ((1 << vm->pgt_bits) - 1)) >> bits;
-	u32 max  = 1 << (vm->pgt_bits - bits);
+	u32 pde  = (offset >> vmm->pgt_bits) - vm->fpde;
+	u32 pte  = (offset & ((1 << vmm->pgt_bits) - 1)) >> bits;
+	u32 max  = 1 << (vmm->pgt_bits - bits);
 	u32 end, len;
 
 	while (num) {
@@ -156,7 +160,7 @@
 			end = max;
 		len = end - pte;
 
-		vm->map_sg(vma, pgt, mem, pte, len, list);
+		vmm->map_sg(vma, pgt, mem, pte, len, list);
 
 		num  -= len;
 		pte  += len;
@@ -167,20 +171,21 @@
 		}
 	}
 
-	vm->flush(vm);
+	vmm->flush(vm);
 }
 
 void
 nouveau_vm_unmap_at(struct nouveau_vma *vma, u64 delta, u64 length)
 {
 	struct nouveau_vm *vm = vma->vm;
-	int big = vma->node->type != vm->spg_shift;
+	struct nouveau_vmmgr *vmm = vm->vmm;
+	int big = vma->node->type != vmm->spg_shift;
 	u32 offset = vma->node->offset + (delta >> 12);
 	u32 bits = vma->node->type - 12;
 	u32 num  = length >> vma->node->type;
-	u32 pde  = (offset >> vm->pgt_bits) - vm->fpde;
-	u32 pte  = (offset & ((1 << vm->pgt_bits) - 1)) >> bits;
-	u32 max  = 1 << (vm->pgt_bits - bits);
+	u32 pde  = (offset >> vmm->pgt_bits) - vm->fpde;
+	u32 pte  = (offset & ((1 << vmm->pgt_bits) - 1)) >> bits;
+	u32 max  = 1 << (vmm->pgt_bits - bits);
 	u32 end, len;
 
 	while (num) {
@@ -191,7 +196,7 @@
 			end = max;
 		len = end - pte;
 
-		vm->unmap(pgt, pte, len);
+		vmm->unmap(pgt, pte, len);
 
 		num -= len;
 		pte += len;
@@ -201,7 +206,7 @@
 		}
 	}
 
-	vm->flush(vm);
+	vmm->flush(vm);
 }
 
 void
@@ -213,6 +218,7 @@
 static void
 nouveau_vm_unmap_pgt(struct nouveau_vm *vm, int big, u32 fpde, u32 lpde)
 {
+	struct nouveau_vmmgr *vmm = vm->vmm;
 	struct nouveau_vm_pgd *vpgd;
 	struct nouveau_vm_pgt *vpgt;
 	struct nouveau_gpuobj *pgt;
@@ -227,7 +233,7 @@
 		vpgt->obj[big] = NULL;
 
 		list_for_each_entry(vpgd, &vm->pgd_list, head) {
-			vm->map_pgt(vpgd->obj, pde, vpgt->obj);
+			vmm->map_pgt(vpgd->obj, pde, vpgt->obj);
 		}
 
 		mutex_unlock(&vm->mm.mutex);
@@ -239,18 +245,19 @@
 static int
 nouveau_vm_map_pgt(struct nouveau_vm *vm, u32 pde, u32 type)
 {
+	struct nouveau_vmmgr *vmm = vm->vmm;
 	struct nouveau_vm_pgt *vpgt = &vm->pgt[pde - vm->fpde];
 	struct nouveau_vm_pgd *vpgd;
 	struct nouveau_gpuobj *pgt;
-	int big = (type != vm->spg_shift);
+	int big = (type != vmm->spg_shift);
 	u32 pgt_size;
 	int ret;
 
-	pgt_size  = (1 << (vm->pgt_bits + 12)) >> type;
+	pgt_size  = (1 << (vmm->pgt_bits + 12)) >> type;
 	pgt_size *= 8;
 
 	mutex_unlock(&vm->mm.mutex);
-	ret = nouveau_gpuobj_new(vm->dev, NULL, pgt_size, 0x1000,
+	ret = nouveau_gpuobj_new(nv_object(vm->vmm), NULL, pgt_size, 0x1000,
 				 NVOBJ_FLAG_ZERO_ALLOC, &pgt);
 	mutex_lock(&vm->mm.mutex);
 	if (unlikely(ret))
@@ -266,7 +273,7 @@
 
 	vpgt->obj[big] = pgt;
 	list_for_each_entry(vpgd, &vm->pgd_list, head) {
-		vm->map_pgt(vpgd->obj, pde, vpgt->obj);
+		vmm->map_pgt(vpgd->obj, pde, vpgt->obj);
 	}
 
 	return 0;
@@ -276,6 +283,7 @@
 nouveau_vm_get(struct nouveau_vm *vm, u64 size, u32 page_shift,
 	       u32 access, struct nouveau_vma *vma)
 {
+	struct nouveau_vmmgr *vmm = vm->vmm;
 	u32 align = (1 << page_shift) >> 12;
 	u32 msize = size >> 12;
 	u32 fpde, lpde, pde;
@@ -289,11 +297,11 @@
 		return ret;
 	}
 
-	fpde = (vma->node->offset >> vm->pgt_bits);
-	lpde = (vma->node->offset + vma->node->length - 1) >> vm->pgt_bits;
+	fpde = (vma->node->offset >> vmm->pgt_bits);
+	lpde = (vma->node->offset + vma->node->length - 1) >> vmm->pgt_bits;
 	for (pde = fpde; pde <= lpde; pde++) {
 		struct nouveau_vm_pgt *vpgt = &vm->pgt[pde - vm->fpde];
-		int big = (vma->node->type != vm->spg_shift);
+		int big = (vma->node->type != vmm->spg_shift);
 
 		if (likely(vpgt->refcount[big])) {
 			vpgt->refcount[big]++;
@@ -321,90 +329,67 @@
 nouveau_vm_put(struct nouveau_vma *vma)
 {
 	struct nouveau_vm *vm = vma->vm;
+	struct nouveau_vmmgr *vmm = vm->vmm;
 	u32 fpde, lpde;
 
 	if (unlikely(vma->node == NULL))
 		return;
-	fpde = (vma->node->offset >> vm->pgt_bits);
-	lpde = (vma->node->offset + vma->node->length - 1) >> vm->pgt_bits;
+	fpde = (vma->node->offset >> vmm->pgt_bits);
+	lpde = (vma->node->offset + vma->node->length - 1) >> vmm->pgt_bits;
 
 	mutex_lock(&vm->mm.mutex);
-	nouveau_vm_unmap_pgt(vm, vma->node->type != vm->spg_shift, fpde, lpde);
+	nouveau_vm_unmap_pgt(vm, vma->node->type != vmm->spg_shift, fpde, lpde);
 	nouveau_mm_free(&vm->mm, &vma->node);
 	mutex_unlock(&vm->mm.mutex);
 }
 
 int
-nouveau_vm_new(struct drm_device *dev, u64 offset, u64 length, u64 mm_offset,
-	       struct nouveau_vm **pvm)
+nouveau_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length,
+		  u64 mm_offset, u32 block, struct nouveau_vm **pvm)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_vm *vm;
 	u64 mm_length = (offset + length) - mm_offset;
-	u32 block, pgt_bits;
 	int ret;
 
-	vm = kzalloc(sizeof(*vm), GFP_KERNEL);
+	vm = *pvm = kzalloc(sizeof(*vm), GFP_KERNEL);
 	if (!vm)
 		return -ENOMEM;
 
-	if (dev_priv->card_type == NV_50) {
-		vm->map_pgt = nv50_vm_map_pgt;
-		vm->map = nv50_vm_map;
-		vm->map_sg = nv50_vm_map_sg;
-		vm->unmap = nv50_vm_unmap;
-		vm->flush = nv50_vm_flush;
-		vm->spg_shift = 12;
-		vm->lpg_shift = 16;
+	INIT_LIST_HEAD(&vm->pgd_list);
+	vm->vmm = vmm;
+	vm->refcount = 1;
+	vm->fpde = offset >> (vmm->pgt_bits + 12);
+	vm->lpde = (offset + length - 1) >> (vmm->pgt_bits + 12);
 
-		pgt_bits = 29;
-		block = (1 << pgt_bits);
-		if (length < block)
-			block = length;
-
-	} else
-	if (dev_priv->card_type >= NV_C0) {
-		vm->map_pgt = nvc0_vm_map_pgt;
-		vm->map = nvc0_vm_map;
-		vm->map_sg = nvc0_vm_map_sg;
-		vm->unmap = nvc0_vm_unmap;
-		vm->flush = nvc0_vm_flush;
-		vm->spg_shift = 12;
-		vm->lpg_shift = 17;
-		pgt_bits = 27;
-		block = 4096;
-	} else {
-		kfree(vm);
-		return -ENOSYS;
-	}
-
-	vm->fpde   = offset >> pgt_bits;
-	vm->lpde   = (offset + length - 1) >> pgt_bits;
-	vm->pgt = kcalloc(vm->lpde - vm->fpde + 1, sizeof(*vm->pgt), GFP_KERNEL);
+	vm->pgt  = kcalloc(vm->lpde - vm->fpde + 1, sizeof(*vm->pgt), GFP_KERNEL);
 	if (!vm->pgt) {
 		kfree(vm);
 		return -ENOMEM;
 	}
 
-	INIT_LIST_HEAD(&vm->pgd_list);
-	vm->dev = dev;
-	vm->refcount = 1;
-	vm->pgt_bits = pgt_bits - 12;
-
 	ret = nouveau_mm_init(&vm->mm, mm_offset >> 12, mm_length >> 12,
 			      block >> 12);
 	if (ret) {
+		kfree(vm->pgt);
 		kfree(vm);
 		return ret;
 	}
 
-	*pvm = vm;
 	return 0;
 }
 
+int
+nouveau_vm_new(struct nouveau_device *device, u64 offset, u64 length,
+	       u64 mm_offset, struct nouveau_vm **pvm)
+{
+	struct nouveau_vmmgr *vmm = nouveau_vmmgr(device);
+	return vmm->create(vmm, offset, length, mm_offset, pvm);
+}
+
 static int
 nouveau_vm_link(struct nouveau_vm *vm, struct nouveau_gpuobj *pgd)
 {
+	struct nouveau_vmmgr *vmm = vm->vmm;
 	struct nouveau_vm_pgd *vpgd;
 	int i;
 
@@ -419,7 +404,7 @@
 
 	mutex_lock(&vm->mm.mutex);
 	for (i = vm->fpde; i <= vm->lpde; i++)
-		vm->map_pgt(pgd, i, vm->pgt[i - vm->fpde].obj);
+		vmm->map_pgt(pgd, i, vm->pgt[i - vm->fpde].obj);
 	list_add(&vpgd->head, &vm->pgd_list);
 	mutex_unlock(&vm->mm.mutex);
 	return 0;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nv04.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nv04.c
new file mode 100644
index 0000000..6475c02
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nv04.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright 2012 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 <core/gpuobj.h>
+
+#include "nv04.h"
+
+#define NV04_PDMA_SIZE (128 * 1024 * 1024)
+#define NV04_PDMA_PAGE (  4 * 1024)
+
+/*******************************************************************************
+ * VM map/unmap callbacks
+ ******************************************************************************/
+
+static void
+nv04_vm_map_sg(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt,
+	       struct nouveau_mem *mem, u32 pte, u32 cnt, dma_addr_t *list)
+{
+	pte = 0x00008 + (pte * 4);
+	while (cnt) {
+		u32 page = PAGE_SIZE / NV04_PDMA_PAGE;
+		u32 phys = (u32)*list++;
+		while (cnt && page--) {
+			nv_wo32(pgt, pte, phys | 3);
+			phys += NV04_PDMA_PAGE;
+			pte += 4;
+			cnt -= 1;
+		}
+	}
+}
+
+static void
+nv04_vm_unmap(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt)
+{
+	pte = 0x00008 + (pte * 4);
+	while (cnt--) {
+		nv_wo32(pgt, pte, 0x00000000);
+		pte += 4;
+	}
+}
+
+static void
+nv04_vm_flush(struct nouveau_vm *vm)
+{
+}
+
+/*******************************************************************************
+ * VM object
+ ******************************************************************************/
+
+int
+nv04_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length, u64 mmstart,
+	       struct nouveau_vm **pvm)
+{
+	return -EINVAL;
+}
+
+/*******************************************************************************
+ * VMMGR subdev
+ ******************************************************************************/
+
+static int
+nv04_vmmgr_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+		struct nouveau_oclass *oclass, void *data, u32 size,
+		struct nouveau_object **pobject)
+{
+	struct nv04_vmmgr_priv *priv;
+	struct nouveau_gpuobj *dma;
+	int ret;
+
+	ret = nouveau_vmmgr_create(parent, engine, oclass, "PCIGART",
+				   "pcigart", &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	priv->base.create = nv04_vm_create;
+	priv->base.pgt_bits = 32 - 12;
+	priv->base.spg_shift = 12;
+	priv->base.lpg_shift = 12;
+	priv->base.map_sg = nv04_vm_map_sg;
+	priv->base.unmap = nv04_vm_unmap;
+	priv->base.flush = nv04_vm_flush;
+
+	ret = nouveau_vm_create(&priv->base, 0, NV04_PDMA_SIZE, 0, 4096,
+				&priv->vm);
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_new(parent, NULL,
+				 (NV04_PDMA_SIZE / NV04_PDMA_PAGE) * 4 +
+				 8, 16, NVOBJ_FLAG_ZERO_ALLOC,
+				 &priv->vm->pgt[0].obj[0]);
+	dma = priv->vm->pgt[0].obj[0];
+	priv->vm->pgt[0].refcount[0] = 1;
+	if (ret)
+		return ret;
+
+	nv_wo32(dma, 0x00000, 0x0002103d); /* PCI, RW, PT, !LN */
+	nv_wo32(dma, 0x00004, NV04_PDMA_SIZE - 1);
+	return 0;
+}
+
+void
+nv04_vmmgr_dtor(struct nouveau_object *object)
+{
+	struct nv04_vmmgr_priv *priv = (void *)object;
+	if (priv->vm) {
+		nouveau_gpuobj_ref(NULL, &priv->vm->pgt[0].obj[0]);
+		nouveau_vm_ref(NULL, &priv->vm, NULL);
+	}
+	if (priv->page) {
+		pci_unmap_page(nv_device(priv)->pdev, priv->null,
+			       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+		__free_page(priv->page);
+	}
+	nouveau_vmmgr_destroy(&priv->base);
+}
+
+struct nouveau_oclass
+nv04_vmmgr_oclass = {
+	.handle = NV_SUBDEV(VM, 0x04),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv04_vmmgr_ctor,
+		.dtor = nv04_vmmgr_dtor,
+		.init = _nouveau_vmmgr_init,
+		.fini = _nouveau_vmmgr_fini,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nv04.h b/drivers/gpu/drm/nouveau/core/subdev/vm/nv04.h
new file mode 100644
index 0000000..5309303
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nv04.h
@@ -0,0 +1,13 @@
+#ifndef __NV04_VMMGR_PRIV__
+#define __NV04_VMMGR_PRIV__
+
+#include <subdev/vm.h>
+
+struct nv04_vmmgr_priv {
+	struct nouveau_vmmgr base;
+	struct nouveau_vm *vm;
+	struct page *page;
+	dma_addr_t null;
+};
+
+#endif
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c
new file mode 100644
index 0000000..f036770
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2012 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 <core/gpuobj.h>
+
+#include <subdev/timer.h>
+#include <subdev/vm.h>
+
+#include "nv04.h"
+
+#define NV41_GART_SIZE (512 * 1024 * 1024)
+#define NV41_GART_PAGE (  4 * 1024)
+
+/*******************************************************************************
+ * VM map/unmap callbacks
+ ******************************************************************************/
+
+static void
+nv41_vm_map_sg(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt,
+	       struct nouveau_mem *mem, u32 pte, u32 cnt, dma_addr_t *list)
+{
+	pte = pte * 4;
+	while (cnt) {
+		u32 page = PAGE_SIZE / NV41_GART_PAGE;
+		u64 phys = (u64)*list++;
+		while (cnt && page--) {
+			nv_wo32(pgt, pte, (phys >> 7) | 1);
+			phys += NV41_GART_PAGE;
+			pte += 4;
+			cnt -= 1;
+		}
+	}
+}
+
+static void
+nv41_vm_unmap(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt)
+{
+	pte = pte * 4;
+	while (cnt--) {
+		nv_wo32(pgt, pte, 0x00000000);
+		pte += 4;
+	}
+}
+
+static void
+nv41_vm_flush(struct nouveau_vm *vm)
+{
+	struct nv04_vm_priv *priv = (void *)vm->vmm;
+
+	mutex_lock(&nv_subdev(priv)->mutex);
+	nv_wr32(priv, 0x100810, 0x00000022);
+	if (!nv_wait(priv, 0x100810, 0x00000100, 0x00000100)) {
+		nv_warn(priv, "flush timeout, 0x%08x\n",
+			nv_rd32(priv, 0x100810));
+	}
+	nv_wr32(priv, 0x100810, 0x00000000);
+	mutex_unlock(&nv_subdev(priv)->mutex);
+}
+
+/*******************************************************************************
+ * VMMGR subdev
+ ******************************************************************************/
+
+static int
+nv41_vmmgr_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+		struct nouveau_oclass *oclass, void *data, u32 size,
+		struct nouveau_object **pobject)
+{
+	struct nv04_vmmgr_priv *priv;
+	int ret;
+
+	ret = nouveau_vmmgr_create(parent, engine, oclass, "PCIEGART",
+				   "pciegart", &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	priv->base.create = nv04_vm_create;
+	priv->base.pgt_bits = 32 - 12;
+	priv->base.spg_shift = 12;
+	priv->base.lpg_shift = 12;
+	priv->base.map_sg = nv41_vm_map_sg;
+	priv->base.unmap = nv41_vm_unmap;
+	priv->base.flush = nv41_vm_flush;
+
+	ret = nouveau_vm_create(&priv->base, 0, NV41_GART_SIZE, 0, 4096,
+				&priv->vm);
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_new(parent, NULL,
+				(NV41_GART_SIZE / NV41_GART_PAGE) * 4,
+				 16, NVOBJ_FLAG_ZERO_ALLOC,
+				 &priv->vm->pgt[0].obj[0]);
+	priv->vm->pgt[0].refcount[0] = 1;
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int
+nv41_vmmgr_init(struct nouveau_object *object)
+{
+	struct nv04_vmmgr_priv *priv = (void *)object;
+	struct nouveau_gpuobj *dma = priv->vm->pgt[0].obj[0];
+	int ret;
+
+	ret = nouveau_vmmgr_init(&priv->base);
+	if (ret)
+		return ret;
+
+	nv_wr32(priv, 0x100800, dma->addr | 0x00000002);
+	nv_mask(priv, 0x10008c, 0x00000100, 0x00000100);
+	nv_wr32(priv, 0x100820, 0x00000000);
+	return 0;
+}
+
+struct nouveau_oclass
+nv41_vmmgr_oclass = {
+	.handle = NV_SUBDEV(VM, 0x41),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv41_vmmgr_ctor,
+		.dtor = nv04_vmmgr_dtor,
+		.init = nv41_vmmgr_init,
+		.fini = _nouveau_vmmgr_fini,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nv44.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nv44.c
new file mode 100644
index 0000000..d17f761
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nv44.c
@@ -0,0 +1,257 @@
+/*
+ * Copyright 2012 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 <core/gpuobj.h>
+
+#include <subdev/timer.h>
+#include <subdev/vm.h>
+
+#include "nv04.h"
+
+#define NV44_GART_SIZE (512 * 1024 * 1024)
+#define NV44_GART_PAGE (  4 * 1024)
+
+/*******************************************************************************
+ * VM map/unmap callbacks
+ ******************************************************************************/
+
+static void
+nv44_vm_flush_priv(struct nv04_vmmgr_priv *priv, u32 base, u32 size)
+{
+	nv_wr32(priv, 0x100814, (size - 1) << 12);
+	nv_wr32(priv, 0x100808, base | 0x20);
+	if (!nv_wait(priv, 0x100808, 0x00000001, 0x00000001))
+		nv_error(priv, "timeout: 0x%08x\n", nv_rd32(priv, 0x100808));
+	nv_wr32(priv, 0x100808, 0x00000000);
+}
+
+static void
+nv44_vm_fill(struct nouveau_gpuobj *pgt, dma_addr_t null,
+	     dma_addr_t *list, u32 pte, u32 cnt)
+{
+	u32 base = (pte << 2) & ~0x0000000f;
+	u32 tmp[4];
+
+	tmp[0] = nv_ro32(pgt, base + 0x0);
+	tmp[1] = nv_ro32(pgt, base + 0x4);
+	tmp[2] = nv_ro32(pgt, base + 0x8);
+	tmp[3] = nv_ro32(pgt, base + 0xc);
+	while (cnt--) {
+		u32 addr = list ? (*list++ >> 12) : (null >> 12);
+		switch (pte++ & 0x3) {
+		case 0:
+			tmp[0] &= ~0x07ffffff;
+			tmp[0] |= addr;
+			break;
+		case 1:
+			tmp[0] &= ~0xf8000000;
+			tmp[0] |= addr << 27;
+			tmp[1] &= ~0x003fffff;
+			tmp[1] |= addr >> 5;
+			break;
+		case 2:
+			tmp[1] &= ~0xffc00000;
+			tmp[1] |= addr << 22;
+			tmp[2] &= ~0x0001ffff;
+			tmp[2] |= addr >> 10;
+			break;
+		case 3:
+			tmp[2] &= ~0xfffe0000;
+			tmp[2] |= addr << 17;
+			tmp[3] &= ~0x00000fff;
+			tmp[3] |= addr >> 15;
+			break;
+		}
+	}
+
+	nv_wo32(pgt, base + 0x0, tmp[0]);
+	nv_wo32(pgt, base + 0x4, tmp[1]);
+	nv_wo32(pgt, base + 0x8, tmp[2]);
+	nv_wo32(pgt, base + 0xc, tmp[3] | 0x40000000);
+}
+
+static void
+nv44_vm_map_sg(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt,
+	       struct nouveau_mem *mem, u32 pte, u32 cnt, dma_addr_t *list)
+{
+	struct nv04_vmmgr_priv *priv = (void *)vma->vm->vmm;
+	u32 base = pte << 12;
+	u32 size = cnt;
+	u32 tmp[4];
+	int i;
+
+	if (pte & 3) {
+		u32  max = 4 - (pte & 3);
+		u32 part = (cnt > max) ? max : cnt;
+		nv44_vm_fill(pgt, priv->null, list, pte, part);
+		pte  += part;
+		list += part;
+		cnt  -= part;
+	}
+
+	while (cnt >= 4) {
+		for (i = 0; i < 4; i++)
+			tmp[i] = *list++ >> 12;
+		nv_wo32(pgt, pte++ * 4, tmp[0] >>  0 | tmp[1] << 27);
+		nv_wo32(pgt, pte++ * 4, tmp[1] >>  5 | tmp[2] << 22);
+		nv_wo32(pgt, pte++ * 4, tmp[2] >> 10 | tmp[3] << 17);
+		nv_wo32(pgt, pte++ * 4, tmp[3] >> 15 | 0x40000000);
+		cnt -= 4;
+	}
+
+	if (cnt)
+		nv44_vm_fill(pgt, priv->null, list, pte, cnt);
+	nv44_vm_flush_priv(priv, base, size);
+}
+
+static void
+nv44_vm_unmap(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt)
+{
+	struct nv04_vmmgr_priv *priv = (void *)nouveau_vmmgr(pgt);
+	u32 base = pte << 12;
+	u32 size = cnt;
+
+	if (pte & 3) {
+		u32  max = 4 - (pte & 3);
+		u32 part = (cnt > max) ? max : cnt;
+		nv44_vm_fill(pgt, priv->null, NULL, pte, part);
+		pte  += part;
+		cnt  -= part;
+	}
+
+	while (cnt >= 4) {
+		nv_wo32(pgt, pte++ * 4, 0x00000000);
+		nv_wo32(pgt, pte++ * 4, 0x00000000);
+		nv_wo32(pgt, pte++ * 4, 0x00000000);
+		nv_wo32(pgt, pte++ * 4, 0x00000000);
+		cnt -= 4;
+	}
+
+	if (cnt)
+		nv44_vm_fill(pgt, priv->null, NULL, pte, cnt);
+	nv44_vm_flush_priv(priv, base, size);
+}
+
+static void
+nv44_vm_flush(struct nouveau_vm *vm)
+{
+}
+
+/*******************************************************************************
+ * VMMGR subdev
+ ******************************************************************************/
+
+static int
+nv44_vmmgr_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+		struct nouveau_oclass *oclass, void *data, u32 size,
+		struct nouveau_object **pobject)
+{
+	struct nouveau_device *device = nv_device(parent);
+	struct nv04_vmmgr_priv *priv;
+	int ret;
+
+	ret = nouveau_vmmgr_create(parent, engine, oclass, "PCIEGART",
+				   "pciegart", &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	priv->base.create = nv04_vm_create;
+	priv->base.pgt_bits = 32 - 12;
+	priv->base.spg_shift = 12;
+	priv->base.lpg_shift = 12;
+	priv->base.map_sg = nv44_vm_map_sg;
+	priv->base.unmap = nv44_vm_unmap;
+	priv->base.flush = nv44_vm_flush;
+
+	priv->page = alloc_page(GFP_DMA32 | GFP_KERNEL);
+	if (priv->page) {
+		priv->null = pci_map_page(device->pdev, priv->page, 0,
+					  PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+		if (pci_dma_mapping_error(device->pdev, priv->null)) {
+			__free_page(priv->page);
+			priv->page = NULL;
+			priv->null = 0;
+		}
+	}
+
+	if (!priv->page)
+		nv_warn(priv, "unable to allocate dummy page\n");
+
+	ret = nouveau_vm_create(&priv->base, 0, NV44_GART_SIZE, 0, 4096,
+				&priv->vm);
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_new(parent, NULL,
+				(NV44_GART_SIZE / NV44_GART_PAGE) * 4,
+				 512 * 1024, NVOBJ_FLAG_ZERO_ALLOC,
+				 &priv->vm->pgt[0].obj[0]);
+	priv->vm->pgt[0].refcount[0] = 1;
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int
+nv44_vmmgr_init(struct nouveau_object *object)
+{
+	struct nv04_vmmgr_priv *priv = (void *)object;
+	struct nouveau_gpuobj *gart = priv->vm->pgt[0].obj[0];
+	u32 addr;
+	int ret;
+
+	ret = nouveau_vmmgr_init(&priv->base);
+	if (ret)
+		return ret;
+
+	/* calculate vram address of this PRAMIN block, object must be
+	 * allocated on 512KiB alignment, and not exceed a total size
+	 * of 512KiB for this to work correctly
+	 */
+	addr  = nv_rd32(priv, 0x10020c);
+	addr -= ((gart->addr >> 19) + 1) << 19;
+
+	nv_wr32(priv, 0x100850, 0x80000000);
+	nv_wr32(priv, 0x100818, priv->null);
+	nv_wr32(priv, 0x100804, NV44_GART_SIZE);
+	nv_wr32(priv, 0x100850, 0x00008000);
+	nv_mask(priv, 0x10008c, 0x00000200, 0x00000200);
+	nv_wr32(priv, 0x100820, 0x00000000);
+	nv_wr32(priv, 0x10082c, 0x00000001);
+	nv_wr32(priv, 0x100800, addr | 0x00000010);
+	return 0;
+}
+
+struct nouveau_oclass
+nv44_vmmgr_oclass = {
+	.handle = NV_SUBDEV(VM, 0x44),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv44_vmmgr_ctor,
+		.dtor = nv04_vmmgr_dtor,
+		.init = nv44_vmmgr_init,
+		.fini = _nouveau_vmmgr_fini,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nv50.c
index 7e46826d..6e9bcd2 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/vm/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nv50.c
@@ -22,11 +22,18 @@
  * Authors: Ben Skeggs
  */
 
-#include "drmP.h"
+#include <core/device.h>
+#include <core/gpuobj.h>
 
-#include "nouveau_drv.h"
+#include <subdev/timer.h>
+#include <subdev/fb.h>
 #include <subdev/vm.h>
 
+struct nv50_vmmgr_priv {
+	struct nouveau_vmmgr base;
+	spinlock_t lock;
+};
+
 void
 nv50_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde,
 		struct nouveau_gpuobj *pgt[2])
@@ -35,11 +42,11 @@
 	u32 coverage = 0;
 
 	if (pgt[0]) {
-		phys = 0x00000003 | pgt[0]->vinst; /* present, 4KiB pages */
+		phys = 0x00000003 | pgt[0]->addr; /* present, 4KiB pages */
 		coverage = (pgt[0]->size >> 3) << 12;
 	} else
 	if (pgt[1]) {
-		phys = 0x00000001 | pgt[1]->vinst; /* present */
+		phys = 0x00000001 | pgt[1]->addr; /* present */
 		coverage = (pgt[1]->size >> 3) << 16;
 	}
 
@@ -73,15 +80,14 @@
 nv50_vm_map(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt,
 	    struct nouveau_mem *mem, u32 pte, u32 cnt, u64 phys, u64 delta)
 {
-	struct drm_nouveau_private *dev_priv = vma->vm->dev->dev_private;
 	u32 comp = (mem->memtype & 0x180) >> 7;
 	u32 block, target;
 	int i;
 
 	/* IGPs don't have real VRAM, re-target to stolen system memory */
 	target = 0;
-	if (nvfb_vram_sys_base(dev_priv->dev)) {
-		phys += nvfb_vram_sys_base(dev_priv->dev);
+	if (nouveau_fb(vma->vm->vmm)->ram.stolen) {
+		phys += nouveau_fb(vma->vm->vmm)->ram.stolen;
 		target = 3;
 	}
 
@@ -145,33 +151,81 @@
 void
 nv50_vm_flush(struct nouveau_vm *vm)
 {
-	struct drm_nouveau_private *dev_priv = vm->dev->dev_private;
-	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
+	struct nouveau_engine *engine;
 	int i;
 
-	pinstmem->flush(vm->dev);
-
-	/* BAR */
-	if (vm == dev_priv->bar1_vm || vm == dev_priv->bar3_vm) {
-		nv50_vm_flush_engine(vm->dev, 6);
-		return;
+#if 0
+	for (i = 0; i < NVDEV_SUBDEV_NR; i++) {
+		if (atomic_read(&vm->engref[i])) {
+			engine = nouveau_engine(vm->vmm, i);
+			if (engine && engine->tlb_flush)
+				engine->tlb_flush(engine);
+		}
 	}
-
-	for (i = 0; i < NVOBJ_ENGINE_NR; i++) {
-		if (atomic_read(&vm->engref[i]))
-			dev_priv->eng[i]->tlb_flush(vm->dev, i);
-	}
+#else
+	nv50_vm_flush_engine(nv_subdev(vm->vmm), 0x06); /* bar */
+	nv50_vm_flush_engine(nv_subdev(vm->vmm), 0x05); /* fifo */
+	nv50_vm_flush_engine(nv_subdev(vm->vmm), 0x00); /* gr */
+#endif
 }
 
 void
-nv50_vm_flush_engine(struct drm_device *dev, int engine)
+nv50_vm_flush_engine(struct nouveau_subdev *subdev, int engine)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	struct nv50_vmmgr_priv *priv = (void *)nouveau_vmmgr(subdev);
 	unsigned long flags;
 
-	spin_lock_irqsave(&dev_priv->vm_lock, flags);
-	nv_wr32(dev, 0x100c80, (engine << 16) | 1);
-	if (!nv_wait(dev, 0x100c80, 0x00000001, 0x00000000))
-		NV_ERROR(dev, "vm flush timeout: engine %d\n", engine);
-	spin_unlock_irqrestore(&dev_priv->vm_lock, flags);
+	spin_lock_irqsave(&priv->lock, flags);
+	nv_wr32(subdev, 0x100c80, (engine << 16) | 1);
+	if (!nv_wait(subdev, 0x100c80, 0x00000001, 0x00000000))
+		nv_error(subdev, "vm flush timeout: engine %d\n", engine);
+	spin_unlock_irqrestore(&priv->lock, flags);
 }
+
+static int
+nv50_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length,
+	       u64 mm_offset, struct nouveau_vm **pvm)
+{
+	u32 block = (1 << (vmm->pgt_bits + 12));
+	if (block > length)
+		block = length;
+
+	return nouveau_vm_create(vmm, offset, length, mm_offset, block, pvm);
+}
+
+static int
+nv50_vmmgr_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+		struct nouveau_oclass *oclass, void *data, u32 size,
+		struct nouveau_object **pobject)
+{
+	struct nv50_vmmgr_priv *priv;
+	int ret;
+
+	ret = nouveau_vmmgr_create(parent, engine, oclass, "VM", "vm", &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	priv->base.pgt_bits  = 29 - 12;
+	priv->base.spg_shift = 12;
+	priv->base.lpg_shift = 16;
+	priv->base.create = nv50_vm_create;
+	priv->base.map_pgt = nv50_vm_map_pgt;
+	priv->base.map = nv50_vm_map;
+	priv->base.map_sg = nv50_vm_map_sg;
+	priv->base.unmap = nv50_vm_unmap;
+	priv->base.flush = nv50_vm_flush;
+	spin_lock_init(&priv->lock);
+	return 0;
+}
+
+struct nouveau_oclass
+nv50_vmmgr_oclass = {
+	.handle = NV_SUBDEV(VM, 0x50),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv50_vmmgr_ctor,
+		.dtor = _nouveau_vmmgr_dtor,
+		.init = _nouveau_vmmgr_init,
+		.fini = _nouveau_vmmgr_fini,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c
index 734877a..a0bc0f6 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c
@@ -22,11 +22,18 @@
  * Authors: Ben Skeggs
  */
 
-#include "drmP.h"
+#include <core/device.h>
+#include <core/gpuobj.h>
 
-#include "nouveau_drv.h"
+#include <subdev/timer.h>
+#include <subdev/fb.h>
 #include <subdev/vm.h>
 
+struct nvc0_vmmgr_priv {
+	struct nouveau_vmmgr base;
+	spinlock_t lock;
+};
+
 void
 nvc0_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 index,
 		struct nouveau_gpuobj *pgt[2])
@@ -34,9 +41,9 @@
 	u32 pde[2] = { 0, 0 };
 
 	if (pgt[0])
-		pde[1] = 0x00000001 | (pgt[0]->vinst >> 8);
+		pde[1] = 0x00000001 | (pgt[0]->addr >> 8);
 	if (pgt[1])
-		pde[0] = 0x00000001 | (pgt[1]->vinst >> 8);
+		pde[0] = 0x00000001 | (pgt[1]->addr >> 8);
 
 	nv_wo32(pgd, (index * 8) + 0, pde[0]);
 	nv_wo32(pgd, (index * 8) + 4, pde[1]);
@@ -100,37 +107,81 @@
 }
 
 void
+nvc0_vm_flush_engine(struct nouveau_subdev *subdev, u64 addr, int type)
+{
+	struct nvc0_vmmgr_priv *priv = (void *)nouveau_vmmgr(subdev);
+	unsigned long flags;
+
+	/* looks like maybe a "free flush slots" counter, the
+	 * faster you write to 0x100cbc to more it decreases
+	 */
+	spin_lock_irqsave(&priv->lock, flags);
+	if (!nv_wait_ne(subdev, 0x100c80, 0x00ff0000, 0x00000000)) {
+		nv_error(subdev, "vm timeout 0: 0x%08x %d\n",
+			 nv_rd32(subdev, 0x100c80), type);
+	}
+
+	nv_wr32(subdev, 0x100cb8, addr >> 8);
+	nv_wr32(subdev, 0x100cbc, 0x80000000 | type);
+
+	/* wait for flush to be queued? */
+	if (!nv_wait(subdev, 0x100c80, 0x00008000, 0x00008000)) {
+		nv_error(subdev, "vm timeout 1: 0x%08x %d\n",
+			 nv_rd32(subdev, 0x100c80), type);
+	}
+	spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+void
 nvc0_vm_flush(struct nouveau_vm *vm)
 {
-	struct drm_nouveau_private *dev_priv = vm->dev->dev_private;
-	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
-	struct drm_device *dev = vm->dev;
 	struct nouveau_vm_pgd *vpgd;
-	unsigned long flags;
-	u32 engine;
 
-	engine = 1;
-	if (vm == dev_priv->bar1_vm || vm == dev_priv->bar3_vm)
-		engine |= 4;
-
-	pinstmem->flush(vm->dev);
-
-	spin_lock_irqsave(&dev_priv->vm_lock, flags);
 	list_for_each_entry(vpgd, &vm->pgd_list, head) {
-		/* looks like maybe a "free flush slots" counter, the
-		 * faster you write to 0x100cbc to more it decreases
-		 */
-		if (!nv_wait_ne(dev, 0x100c80, 0x00ff0000, 0x00000000)) {
-			NV_ERROR(dev, "vm timeout 0: 0x%08x %d\n",
-				 nv_rd32(dev, 0x100c80), engine);
-		}
-		nv_wr32(dev, 0x100cb8, vpgd->obj->vinst >> 8);
-		nv_wr32(dev, 0x100cbc, 0x80000000 | engine);
-		/* wait for flush to be queued? */
-		if (!nv_wait(dev, 0x100c80, 0x00008000, 0x00008000)) {
-			NV_ERROR(dev, "vm timeout 1: 0x%08x %d\n",
-				 nv_rd32(dev, 0x100c80), engine);
-		}
+		nvc0_vm_flush_engine(nv_subdev(vm->vmm), vpgd->obj->addr, 1);
 	}
-	spin_unlock_irqrestore(&dev_priv->vm_lock, flags);
 }
+
+static int
+nvc0_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length,
+	       u64 mm_offset, struct nouveau_vm **pvm)
+{
+	return nouveau_vm_create(vmm, offset, length, mm_offset, 4096, pvm);
+}
+
+static int
+nvc0_vmmgr_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+		struct nouveau_oclass *oclass, void *data, u32 size,
+		struct nouveau_object **pobject)
+{
+	struct nvc0_vmmgr_priv *priv;
+	int ret;
+
+	ret = nouveau_vmmgr_create(parent, engine, oclass, "VM", "vm", &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	priv->base.pgt_bits  = 27 - 12;
+	priv->base.spg_shift = 12;
+	priv->base.lpg_shift = 17;
+	priv->base.create = nvc0_vm_create;
+	priv->base.map_pgt = nvc0_vm_map_pgt;
+	priv->base.map = nvc0_vm_map;
+	priv->base.map_sg = nvc0_vm_map_sg;
+	priv->base.unmap = nvc0_vm_unmap;
+	priv->base.flush = nvc0_vm_flush;
+	spin_lock_init(&priv->lock);
+	return 0;
+}
+
+struct nouveau_oclass
+nvc0_vmmgr_oclass = {
+	.handle = NV_SUBDEV(VM, 0xc0),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nvc0_vmmgr_ctor,
+		.dtor = _nouveau_vmmgr_dtor,
+		.init = _nouveau_vmmgr_init,
+		.fini = _nouveau_vmmgr_fini,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index f63785c..9f5696a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -34,7 +34,6 @@
 #include "nouveau_drv.h"
 #include "nouveau_dma.h"
 #include <core/mm.h>
-#include <subdev/vm.h>
 #include "nouveau_fence.h"
 #include <core/ramht.h>
 
@@ -114,9 +113,9 @@
 	nvbo->bo.bdev = &dev_priv->ttm.bdev;
 
 	nvbo->page_shift = 12;
-	if (dev_priv->bar1_vm) {
+	if (dev_priv->chan_vm) {
 		if (!(flags & TTM_PL_FLAG_TT) && size > 256 * 1024)
-			nvbo->page_shift = dev_priv->bar1_vm->lpg_shift;
+			nvbo->page_shift = nvvm_lpg_shift(dev_priv->chan_vm);
 	}
 
 	nouveau_bo_fixup_align(nvbo, flags, &align, &size);
@@ -420,6 +419,9 @@
 		if (dev_priv->card_type >= NV_50)
 			man->func = &nouveau_gart_manager;
 		else
+		if (dev_priv->gart_info.type != NOUVEAU_GART_AGP)
+			man->func = &nv04_gart_manager;
+		else
 			man->func = &ttm_bo_manager_func;
 		switch (dev_priv->gart_info.type) {
 		case NOUVEAU_GART_AGP:
@@ -1044,7 +1046,7 @@
 			nouveau_vm_map(vma, new_mem->mm_node);
 		} else
 		if (new_mem && new_mem->mem_type == TTM_PL_TT &&
-		    nvbo->page_shift == vma->vm->spg_shift) {
+		    nvbo->page_shift == nvvm_spg_shift(vma->vm)) {
 			if (((struct nouveau_mem *)new_mem->mm_node)->sg)
 				nouveau_vm_map_sg_table(vma, 0, new_mem->
 						  num_pages << PAGE_SHIFT,
@@ -1184,40 +1186,19 @@
 #endif
 		break;
 	case TTM_PL_VRAM:
-	{
-		struct nouveau_mem *node = mem->mm_node;
-		u8 page_shift;
-
-		if (!dev_priv->bar1_vm) {
-			mem->bus.offset = mem->start << PAGE_SHIFT;
-			mem->bus.base = pci_resource_start(dev->pdev, 1);
-			mem->bus.is_iomem = true;
-			break;
-		}
-
-		if (dev_priv->card_type >= NV_C0)
-			page_shift = node->page_shift;
-		else
-			page_shift = 12;
-
-		ret = nouveau_vm_get(dev_priv->bar1_vm, mem->bus.size,
-				     page_shift, NV_MEM_ACCESS_RW,
-				     &node->bar_vma);
-		if (ret)
-			return ret;
-
-		nouveau_vm_map(&node->bar_vma, node);
-		if (ret) {
-			nouveau_vm_put(&node->bar_vma);
-			return ret;
-		}
-
-		mem->bus.offset = node->bar_vma.offset;
-		if (dev_priv->card_type == NV_50) /*XXX*/
-			mem->bus.offset -= 0x0020000000ULL;
+		mem->bus.offset = mem->start << PAGE_SHIFT;
 		mem->bus.base = pci_resource_start(dev->pdev, 1);
 		mem->bus.is_iomem = true;
-	}
+		if (dev_priv->card_type >= NV_50) {
+			struct nouveau_mem *node = mem->mm_node;
+
+			ret = nvbar_map(dev, node, NV_MEM_ACCESS_RW,
+					&node->bar_vma);
+			if (ret)
+				return ret;
+
+			mem->bus.offset = node->bar_vma.offset;
+		}
 		break;
 	default:
 		return -EINVAL;
@@ -1231,14 +1212,13 @@
 	struct drm_nouveau_private *dev_priv = nouveau_bdev(bdev);
 	struct nouveau_mem *node = mem->mm_node;
 
-	if (!dev_priv->bar1_vm || mem->mem_type != TTM_PL_VRAM)
+	if (mem->mem_type != TTM_PL_VRAM)
 		return;
 
 	if (!node->bar_vma.node)
 		return;
 
-	nouveau_vm_unmap(&node->bar_vma);
-	nouveau_vm_put(&node->bar_vma);
+	nvbar_unmap(dev_priv->dev, &node->bar_vma);
 }
 
 static int
diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c
index 1dd5232..b7c2423 100644
--- a/drivers/gpu/drm/nouveau/nouveau_channel.c
+++ b/drivers/gpu/drm/nouveau/nouveau_channel.c
@@ -145,6 +145,9 @@
 	/* allocate hw channel id */
 	spin_lock_irqsave(&dev_priv->channels.lock, flags);
 	for (chan->id = 0; chan->id < pfifo->channels; chan->id++) {
+		if ( dev_priv->card_type == NV_50 && chan->id == 0)
+			continue;
+
 		if (!dev_priv->channels.ptr[chan->id]) {
 			nouveau_channel_ref(chan, &dev_priv->channels.ptr[chan->id]);
 			break;
diff --git a/drivers/gpu/drm/nouveau/nouveau_compat.c b/drivers/gpu/drm/nouveau/nouveau_compat.c
index 3d65c17..0403f2b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_compat.c
+++ b/drivers/gpu/drm/nouveau/nouveau_compat.c
@@ -11,6 +11,8 @@
 #include <subdev/mc.h>
 #include <subdev/timer.h>
 #include <subdev/fb.h>
+#include <subdev/bar.h>
+#include <subdev/vm.h>
 
 void *nouveau_newpriv(struct drm_device *);
 
@@ -438,3 +440,146 @@
 	struct nouveau_drm *drm = nouveau_newpriv(dev);
 	nv50_fb_trap(nouveau_fb(drm->device), disp);
 }
+
+#include <core/subdev/instmem/nv04.h>
+
+struct nouveau_gpuobj *
+nvimem_ramro(struct drm_device *dev)
+{
+	struct nouveau_drm *drm = nouveau_newpriv(dev);
+	struct nv04_instmem_priv *imem = (void *)nouveau_instmem(drm->device);
+	return imem->ramro;
+}
+
+struct nouveau_gpuobj *
+nvimem_ramfc(struct drm_device *dev)
+{
+	struct nouveau_drm *drm = nouveau_newpriv(dev);
+	struct nv04_instmem_priv *imem = (void *)nouveau_instmem(drm->device);
+	return imem->ramfc;
+}
+
+int _nouveau_gpuobj_new(struct drm_device *dev, struct nouveau_gpuobj *par,
+			int size, int align, u32 flags,
+			struct nouveau_gpuobj **pobj)
+{
+	struct nouveau_drm *drm = nouveau_newpriv(dev);
+	int ret;
+
+	if (!par)
+		flags |= NVOBJ_FLAG_HEAP;
+
+	ret = nouveau_gpuobj_new(drm->device, nv_object(par), size, align,
+				 flags, pobj);
+	if (ret)
+		return ret;
+
+	(*pobj)->dev = dev;
+	return 0;
+}
+
+u32 nv_ri32(struct drm_device *dev , u32 addr)
+{
+	struct nouveau_drm *drm = nouveau_newpriv(dev);
+	struct nouveau_instmem *imem = nouveau_instmem(drm->device);
+	return nv_ro32(imem, addr);
+}
+
+void nv_wi32(struct drm_device *dev, u32 addr, u32 data)
+{
+	struct nouveau_drm *drm = nouveau_newpriv(dev);
+	struct nouveau_instmem *imem = nouveau_instmem(drm->device);
+	nv_wo32(imem, addr, data);
+}
+
+u32 nvimem_reserved(struct drm_device *dev)
+{
+	struct nouveau_drm *drm = nouveau_newpriv(dev);
+	struct nouveau_instmem *imem = nouveau_instmem(drm->device);
+	return imem->reserved;
+}
+
+int
+nvbar_map(struct drm_device *dev, struct nouveau_mem *mem, u32 flags,
+	  struct nouveau_vma *vma)
+{
+	struct nouveau_drm *drm = nouveau_newpriv(dev);
+	struct nouveau_bar *bar = nouveau_bar(drm->device);
+	return bar->umap(bar, mem, flags, vma);
+}
+
+void
+nvbar_unmap(struct drm_device *dev, struct nouveau_vma *vma)
+{
+	struct nouveau_drm *drm = nouveau_newpriv(dev);
+	struct nouveau_bar *bar = nouveau_bar(drm->device);
+	bar->unmap(bar, vma);
+}
+
+int
+nouveau_gpuobj_map_bar(struct nouveau_gpuobj *gpuobj, u32 flags,
+		       struct nouveau_vma *vma)
+{
+	struct nouveau_drm *drm = nouveau_newpriv(gpuobj->dev);
+	struct nouveau_bar *bar = nouveau_bar(drm->device);
+	struct nouveau_instobj *iobj = (void *)
+		nv_pclass(nv_object(gpuobj), NV_MEMOBJ_CLASS);
+	struct nouveau_mem **mem = (void *)(iobj + 1);
+	struct nouveau_mem *node = *mem;
+
+	return bar->umap(bar, node, flags, vma);
+}
+
+void
+nvimem_flush(struct drm_device *dev)
+{
+}
+
+void _nv50_vm_flush_engine(struct drm_device *dev, int engine)
+{
+	struct nouveau_drm *drm = nouveau_newpriv(dev);
+	nv50_vm_flush_engine(nv_subdev(drm->device), engine);
+}
+
+int _nouveau_vm_new(struct drm_device *dev, u64 offset, u64 length,
+		    u64 mm_offset, struct nouveau_vm **pvm)
+{
+	struct nouveau_drm *drm = nouveau_newpriv(dev);
+	return nouveau_vm_new(nv_device(drm->device), offset, length, mm_offset, pvm);
+}
+
+#include <core/subdev/vm/nv04.h>
+struct nouveau_vm *
+nv04vm_ref(struct drm_device *dev)
+{
+	struct nouveau_drm *drm = nouveau_newpriv(dev);
+	struct nouveau_vmmgr *vmm = nouveau_vmmgr(drm->device);
+	struct nv04_vmmgr_priv *priv = (void *)vmm;
+	return priv->vm;
+}
+
+struct nouveau_gpuobj *
+nv04vm_refdma(struct drm_device *dev)
+{
+	struct nouveau_gpuobj *gpuobj = NULL;
+	nouveau_gpuobj_ref(nv04vm_ref(dev)->pgt[0].obj[0], &gpuobj);
+	return gpuobj;
+}
+
+void
+nvvm_engref(struct nouveau_vm *vm, int eng, int ref)
+{
+	atomic_add(ref, &vm->engref[eng]);
+}
+
+int
+nvvm_spg_shift(struct nouveau_vm *vm)
+{
+	return vm->vmm->spg_shift;
+}
+
+int
+nvvm_lpg_shift(struct nouveau_vm *vm)
+{
+	return vm->vmm->lpg_shift;
+}
diff --git a/drivers/gpu/drm/nouveau/nouveau_compat.h b/drivers/gpu/drm/nouveau/nouveau_compat.h
index d047a20..d691b25 100644
--- a/drivers/gpu/drm/nouveau/nouveau_compat.h
+++ b/drivers/gpu/drm/nouveau/nouveau_compat.h
@@ -82,4 +82,46 @@
 
 void nv50_fb_vm_trap(struct drm_device *, int);
 
+struct nouveau_gpuobj *nvimem_ramro(struct drm_device *);
+struct nouveau_gpuobj *nvimem_ramfc(struct drm_device *);
+
+int _nouveau_gpuobj_new(struct drm_device *dev, struct nouveau_gpuobj *par,
+			int size, int align, u32 flags,
+			struct nouveau_gpuobj **pboj);
+
+u32 nv_ri32(struct drm_device *, u32);
+void nv_wi32(struct drm_device *, u32, u32);
+u32 nvimem_reserved(struct drm_device *);
+
+void nvimem_flush(struct drm_device *);
+
+void _nv50_vm_flush_engine(struct drm_device *dev, int engine);
+
+int _nouveau_vm_new(struct drm_device *, u64 offset, u64 length,
+		    u64 mm_offset, struct nouveau_vm **);
+
+struct nouveau_vma;
+int nouveau_gpuobj_map_bar(struct nouveau_gpuobj *, u32, struct nouveau_vma *);
+
+int
+nvbar_map(struct drm_device *dev, struct nouveau_mem *mem, u32 flags,
+	  struct nouveau_vma *vma);
+void
+nvbar_unmap(struct drm_device *dev, struct nouveau_vma *vma);
+
+struct nouveau_vm *
+nv04vm_ref(struct drm_device *dev);
+
+struct nouveau_gpuobj *
+nv04vm_refdma(struct drm_device *dev);
+
+void
+nvvm_engref(struct nouveau_vm *, int, int);
+
+int
+nvvm_spg_shift(struct nouveau_vm *);
+
+int
+nvvm_lpg_shift(struct nouveau_vm *);
+
 #endif
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index 3f660a9..561bc00 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -152,7 +152,6 @@
 {
 	struct drm_device *dev = pci_get_drvdata(pdev);
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
 	struct nouveau_fifo_priv *pfifo = nv_engine(dev, NVOBJ_ENGINE_FIFO);
 	struct nouveau_channel *chan;
 	struct drm_crtc *crtc;
@@ -204,20 +203,6 @@
 		}
 	}
 
-	ret = pinstmem->suspend(dev);
-	if (ret) {
-		NV_ERROR(dev, "... failed: %d\n", ret);
-		goto out_abort;
-	}
-
-	NV_INFO(dev, "Suspending GPU objects...\n");
-	ret = nouveau_gpuobj_suspend(dev);
-	if (ret) {
-		NV_ERROR(dev, "... failed: %d\n", ret);
-		pinstmem->resume(dev);
-		goto out_abort;
-	}
-
 	return 0;
 
 out_abort:
@@ -247,11 +232,7 @@
 	if (ret)
 		return ret;
 
-	NV_INFO(dev, "Restoring GPU objects...\n");
-	nouveau_gpuobj_resume(dev);
-
 	NV_INFO(dev, "Reinitialising engines...\n");
-	engine->instmem.resume(dev);
 	for (i = 0; i < NVOBJ_ENGINE_NR; i++) {
 		if (dev_priv->eng[i])
 			dev_priv->eng[i]->init(dev, i);
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index fad6687..f62732d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -46,7 +46,9 @@
 #include "ttm/ttm_module.h"
 
 #define XXX_THIS_IS_A_HACK
+#include <subdev/vm.h>
 #include <subdev/fb.h>
+#include <core/gpuobj.h>
 
 enum blah {
 	NV_MEM_TYPE_UNKNOWN = 0,
@@ -83,11 +85,20 @@
 
 struct nouveau_grctx;
 struct nouveau_mem;
-#include <subdev/vm.h>
 
 #include <subdev/bios/pll.h>
 #include "nouveau_compat.h"
 
+#define nouveau_gpuobj_new(d,c,s,a,f,o) \
+	_nouveau_gpuobj_new((d), (c) ? ((struct nouveau_channel *)(c))->ramin : NULL, \
+			    (s), (a), (f), (o))
+
+#define nouveau_vm_new(d,o,l,m,v) \
+	_nouveau_vm_new((d), (o), (l), (m), (v))
+
+#define nv50_vm_flush_engine(d,e) \
+	_nv50_vm_flush_engine((d), (e))
+
 #define MAX_NUM_DCB_ENTRIES 16
 
 #define NOUVEAU_MAX_CHANNEL_NR 4096
@@ -172,34 +183,6 @@
 #define NVOBJ_ENGINE_NR		16
 #define NVOBJ_ENGINE_DISPLAY	(NVOBJ_ENGINE_NR + 0) /*XXX*/
 
-#define NVOBJ_FLAG_DONT_MAP             (1 << 0)
-#define NVOBJ_FLAG_ZERO_ALLOC		(1 << 1)
-#define NVOBJ_FLAG_ZERO_FREE		(1 << 2)
-
-#define NVOBJ_CINST_GLOBAL	0xdeadbeef
-
-struct nouveau_gpuobj {
-	struct drm_device *dev;
-	struct kref refcount;
-	struct list_head list;
-
-	void *node;
-	u32 *suspend;
-
-	uint32_t flags;
-
-	u32 size;
-	u32 pinst;	/* PRAMIN BAR offset */
-	u32 cinst;	/* Channel offset */
-	u64 vinst;	/* VRAM address */
-
-	uint32_t engine;
-	uint32_t class;
-
-	void (*dtor)(struct drm_device *, struct nouveau_gpuobj *);
-	void *priv;
-};
-
 struct nouveau_page_flip_state {
 	struct list_head head;
 	struct drm_pending_vblank_event *event;
@@ -259,7 +242,6 @@
 
 	/* Objects */
 	struct nouveau_gpuobj *ramin; /* Private instmem */
-	struct drm_mm          ramin_heap; /* Private PRAMIN heap */
 	struct nouveau_ramht  *ramht; /* Hash table */
 
 	/* GPU object info for stuff used in-kernel (mm_enabled) */
@@ -301,23 +283,6 @@
 	void (*tlb_flush)(struct drm_device *, int engine);
 };
 
-struct nouveau_instmem_engine {
-	void	*priv;
-
-	int	(*init)(struct drm_device *dev);
-	void	(*takedown)(struct drm_device *dev);
-	int	(*suspend)(struct drm_device *dev);
-	void	(*resume)(struct drm_device *dev);
-
-	int	(*get)(struct nouveau_gpuobj *, struct nouveau_channel *,
-		       u32 size, u32 align);
-	void	(*put)(struct nouveau_gpuobj *);
-	int	(*map)(struct nouveau_gpuobj *);
-	void	(*unmap)(struct nouveau_gpuobj *);
-
-	void	(*flush)(struct drm_device *);
-};
-
 struct nouveau_display_engine {
 	void *priv;
 	int (*early_init)(struct drm_device *);
@@ -499,7 +464,6 @@
 };
 
 struct nouveau_engine {
-	struct nouveau_instmem_engine instmem;
 	struct nouveau_display_engine display;
 	struct nouveau_pm_engine      pm;
 };
@@ -599,14 +563,7 @@
 	int flags;
 	u32 crystal;
 
-	spinlock_t ramin_lock;
-	void __iomem *ramin;
-	u32 ramin_size;
-	u32 ramin_base;
-	bool ramin_available;
-	struct drm_mm ramin_heap;
 	struct nouveau_exec_engine *eng[NVOBJ_ENGINE_NR];
-	struct list_head gpuobj_list;
 	struct list_head classes;
 
 	struct nouveau_bo *vga_ram;
@@ -648,8 +605,6 @@
 	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
 	struct nouveau_ramht  *ramht;
 
-	uint32_t ramin_rsvd_vram;
-
 	struct {
 		enum {
 			NOUVEAU_GART_NONE = 0,
@@ -663,11 +618,6 @@
 
 		struct ttm_backend_func *func;
 
-		struct {
-			struct page *page;
-			dma_addr_t   addr;
-		} dummy;
-
 		struct nouveau_gpuobj *sg_ctxdma;
 	} gart_info;
 
@@ -682,10 +632,6 @@
 	uint64_t fb_aper_free;
 	int fb_mtrr;
 
-	/* BAR control (NV50-) */
-	struct nouveau_vm *bar1_vm;
-	struct nouveau_vm *bar3_vm;
-
 	/* G8x/G9x virtual address space */
 	struct nouveau_vm *chan_vm;
 
@@ -797,6 +743,7 @@
 				     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;
 
 /* nouveau_notifier.c */
 extern int  nouveau_notifier_init_channel(struct nouveau_channel *);
@@ -844,11 +791,6 @@
 		return ret;                                                    \
 } while (0)
 
-extern int  nouveau_gpuobj_early_init(struct drm_device *);
-extern int  nouveau_gpuobj_init(struct drm_device *);
-extern void nouveau_gpuobj_takedown(struct drm_device *);
-extern int  nouveau_gpuobj_suspend(struct drm_device *dev);
-extern void nouveau_gpuobj_resume(struct drm_device *dev);
 extern int  nouveau_gpuobj_class_new(struct drm_device *, u32 class, u32 eng);
 extern int  nouveau_gpuobj_mthd_new(struct drm_device *, u32 class, u32 mthd,
 				    int (*exec)(struct nouveau_channel *,
@@ -858,11 +800,6 @@
 extern int nouveau_gpuobj_channel_init(struct nouveau_channel *,
 				       uint32_t vram_h, uint32_t tt_h);
 extern void nouveau_gpuobj_channel_takedown(struct nouveau_channel *);
-extern int nouveau_gpuobj_new(struct drm_device *, struct nouveau_channel *,
-			      uint32_t size, int align, uint32_t flags,
-			      struct nouveau_gpuobj **);
-extern void nouveau_gpuobj_ref(struct nouveau_gpuobj *,
-			       struct nouveau_gpuobj **);
 extern int nouveau_gpuobj_dma_new(struct nouveau_channel *, int class,
 				  uint64_t offset, uint64_t size, int access,
 				  int target, struct nouveau_gpuobj **);
@@ -874,11 +811,8 @@
 				 int class, u64 base, u64 size, int target,
 				 int access, u32 type, u32 comp);
 
-
-int  nouveau_gpuobj_map_vm(struct nouveau_gpuobj *gpuobj, u32 flags,
-			   struct nouveau_vm *vm, struct nouveau_vma *vma);
-int  nouveau_gpuobj_map_bar(struct nouveau_gpuobj *gpuobj, u32 flags,
-			    struct nouveau_vma *vma);
+int  nouveau_gpuobj_map_vm(struct nouveau_gpuobj *gpuobj, struct nouveau_vm *vm,
+			   u32 flags, struct nouveau_vma *vma);
 void nouveau_gpuobj_unmap(struct nouveau_vma *vma);
 
 /* nouveau_irq.c */
@@ -1060,49 +994,6 @@
 /* nv98_ppp.c */
 extern int  nv98_ppp_create(struct drm_device *dev);
 
-/* nv04_instmem.c */
-extern int  nv04_instmem_init(struct drm_device *);
-extern void nv04_instmem_takedown(struct drm_device *);
-extern int  nv04_instmem_suspend(struct drm_device *);
-extern void nv04_instmem_resume(struct drm_device *);
-extern int  nv04_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
-			     u32 size, u32 align);
-extern void nv04_instmem_put(struct nouveau_gpuobj *);
-extern int  nv04_instmem_map(struct nouveau_gpuobj *);
-extern void nv04_instmem_unmap(struct nouveau_gpuobj *);
-extern void nv04_instmem_flush(struct drm_device *);
-
-/* nv40_instmem.c */
-extern int  nv40_instmem_init(struct drm_device *);
-extern void nv40_instmem_takedown(struct drm_device *);
-extern int  nv40_instmem_suspend(struct drm_device *);
-extern void nv40_instmem_resume(struct drm_device *);
-extern int  nv40_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
-			     u32 size, u32 align);
-extern void nv40_instmem_put(struct nouveau_gpuobj *);
-extern int  nv40_instmem_map(struct nouveau_gpuobj *);
-extern void nv40_instmem_unmap(struct nouveau_gpuobj *);
-extern void nv40_instmem_flush(struct drm_device *);
-
-/* nv50_instmem.c */
-extern int  nv50_instmem_init(struct drm_device *);
-extern void nv50_instmem_takedown(struct drm_device *);
-extern int  nv50_instmem_suspend(struct drm_device *);
-extern void nv50_instmem_resume(struct drm_device *);
-extern int  nv50_instmem_get(struct nouveau_gpuobj *, struct nouveau_channel *,
-			     u32 size, u32 align);
-extern void nv50_instmem_put(struct nouveau_gpuobj *);
-extern int  nv50_instmem_map(struct nouveau_gpuobj *);
-extern void nv50_instmem_unmap(struct nouveau_gpuobj *);
-extern void nv50_instmem_flush(struct drm_device *);
-extern void nv84_instmem_flush(struct drm_device *);
-
-/* nvc0_instmem.c */
-extern int  nvc0_instmem_init(struct drm_device *);
-extern void nvc0_instmem_takedown(struct drm_device *);
-extern int  nvc0_instmem_suspend(struct drm_device *);
-extern void nvc0_instmem_resume(struct drm_device *);
-
 extern long nouveau_compat_ioctl(struct file *file, unsigned int cmd,
 				 unsigned long arg);
 
@@ -1260,23 +1151,6 @@
 #define nv_wait_cb(dev, func, data) \
 	nouveau_wait_cb(dev, 2000000000ULL, (func), (data))
 
-/* PRAMIN access */
-static inline u32 nv_ri32(struct drm_device *dev, unsigned offset)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	return ioread32_native(dev_priv->ramin + offset);
-}
-
-static inline void nv_wi32(struct drm_device *dev, unsigned offset, u32 val)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	iowrite32_native(val, dev_priv->ramin + offset);
-}
-
-/* object access */
-extern u32 nv_ro32(struct nouveau_gpuobj *, u32 offset);
-extern void nv_wo32(struct nouveau_gpuobj *, u32 offset, u32 val);
-
 /*
  * Logging
  * Argument d is (struct drm_device *).
diff --git a/drivers/gpu/drm/nouveau/nouveau_gpuobj.c b/drivers/gpu/drm/nouveau/nouveau_gpuobj.c
index 0d370e8..a774b7a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gpuobj.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gpuobj.c
@@ -37,7 +37,6 @@
 #include <engine/fifo.h>
 #include <core/ramht.h>
 #include "nouveau_software.h"
-#include <subdev/vm.h>
 
 struct nouveau_gpuobj_method {
 	struct list_head head;
@@ -135,173 +134,12 @@
 	return ret;
 }
 
-int
-nouveau_gpuobj_new(struct drm_device *dev, struct nouveau_channel *chan,
-		   uint32_t size, int align, uint32_t flags,
-		   struct nouveau_gpuobj **gpuobj_ret)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem;
-	struct nouveau_gpuobj *gpuobj;
-	struct drm_mm_node *ramin = NULL;
-	int ret, i;
-
-	NV_DEBUG(dev, "ch%d size=%u align=%d flags=0x%08x\n",
-		 chan ? chan->id : -1, size, align, flags);
-
-	gpuobj = kzalloc(sizeof(*gpuobj), GFP_KERNEL);
-	if (!gpuobj)
-		return -ENOMEM;
-	NV_DEBUG(dev, "gpuobj %p\n", gpuobj);
-	gpuobj->dev = dev;
-	gpuobj->flags = flags;
-	kref_init(&gpuobj->refcount);
-	gpuobj->size = size;
-
-	spin_lock(&dev_priv->ramin_lock);
-	list_add_tail(&gpuobj->list, &dev_priv->gpuobj_list);
-	spin_unlock(&dev_priv->ramin_lock);
-
-	if (chan) {
-		ramin = drm_mm_search_free(&chan->ramin_heap, size, align, 0);
-		if (ramin)
-			ramin = drm_mm_get_block(ramin, size, align);
-		if (!ramin) {
-			nouveau_gpuobj_ref(NULL, &gpuobj);
-			return -ENOMEM;
-		}
-
-		gpuobj->pinst = chan->ramin->pinst;
-		if (gpuobj->pinst != ~0)
-			gpuobj->pinst += ramin->start;
-
-		gpuobj->cinst = ramin->start;
-		gpuobj->vinst = ramin->start + chan->ramin->vinst;
-		gpuobj->node  = ramin;
-	} else {
-		ret = instmem->get(gpuobj, chan, size, align);
-		if (ret) {
-			nouveau_gpuobj_ref(NULL, &gpuobj);
-			return ret;
-		}
-
-		ret = -ENOSYS;
-		if (!(flags & NVOBJ_FLAG_DONT_MAP))
-			ret = instmem->map(gpuobj);
-		if (ret)
-			gpuobj->pinst = ~0;
-
-		gpuobj->cinst = NVOBJ_CINST_GLOBAL;
-	}
-
-	if (gpuobj->flags & NVOBJ_FLAG_ZERO_ALLOC) {
-		for (i = 0; i < gpuobj->size; i += 4)
-			nv_wo32(gpuobj, i, 0);
-		instmem->flush(dev);
-	}
-
-
-	*gpuobj_ret = gpuobj;
-	return 0;
-}
-
-int
-nouveau_gpuobj_init(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-
-	NV_DEBUG(dev, "\n");
-
-	INIT_LIST_HEAD(&dev_priv->gpuobj_list);
-	INIT_LIST_HEAD(&dev_priv->classes);
-	spin_lock_init(&dev_priv->ramin_lock);
-	dev_priv->ramin_base = ~0;
-
-	return 0;
-}
-
-void
-nouveau_gpuobj_takedown(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpuobj_method *om, *tm;
-	struct nouveau_gpuobj_class *oc, *tc;
-
-	NV_DEBUG(dev, "\n");
-
-	list_for_each_entry_safe(oc, tc, &dev_priv->classes, head) {
-		list_for_each_entry_safe(om, tm, &oc->methods, head) {
-			list_del(&om->head);
-			kfree(om);
-		}
-		list_del(&oc->head);
-		kfree(oc);
-	}
-
-	WARN_ON(!list_empty(&dev_priv->gpuobj_list));
-}
-
-
-static void
-nouveau_gpuobj_del(struct kref *ref)
-{
-	struct nouveau_gpuobj *gpuobj =
-		container_of(ref, struct nouveau_gpuobj, refcount);
-	struct drm_device *dev = gpuobj->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem;
-	int i;
-
-	NV_DEBUG(dev, "gpuobj %p\n", gpuobj);
-
-	if (gpuobj->node && (gpuobj->flags & NVOBJ_FLAG_ZERO_FREE)) {
-		for (i = 0; i < gpuobj->size; i += 4)
-			nv_wo32(gpuobj, i, 0);
-		instmem->flush(dev);
-	}
-
-	if (gpuobj->dtor)
-		gpuobj->dtor(dev, gpuobj);
-
-	if (gpuobj->cinst == NVOBJ_CINST_GLOBAL) {
-		if (gpuobj->node) {
-			instmem->unmap(gpuobj);
-			instmem->put(gpuobj);
-		}
-	} else {
-		if (gpuobj->node) {
-			spin_lock(&dev_priv->ramin_lock);
-			drm_mm_put_block(gpuobj->node);
-			spin_unlock(&dev_priv->ramin_lock);
-		}
-	}
-
-	spin_lock(&dev_priv->ramin_lock);
-	list_del(&gpuobj->list);
-	spin_unlock(&dev_priv->ramin_lock);
-
-	kfree(gpuobj);
-}
-
-void
-nouveau_gpuobj_ref(struct nouveau_gpuobj *ref, struct nouveau_gpuobj **ptr)
-{
-	if (ref)
-		kref_get(&ref->refcount);
-
-	if (*ptr)
-		kref_put(&(*ptr)->refcount, nouveau_gpuobj_del);
-
-	*ptr = ref;
-}
-
 void
 nv50_gpuobj_dma_init(struct nouveau_gpuobj *obj, u32 offset, int class,
 		     u64 base, u64 size, int target, int access,
 		     u32 type, u32 comp)
 {
 	struct drm_nouveau_private *dev_priv = obj->dev->dev_private;
-	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
 	u32 flags0;
 
 	flags0  = (comp << 29) | (type << 22) | class;
@@ -343,7 +181,7 @@
 	nv_wo32(obj, offset + 0x10, 0x00000000);
 	nv_wo32(obj, offset + 0x14, 0x00000000);
 
-	pinstmem->flush(obj->dev);
+	nvimem_flush(obj->dev);
 }
 
 int
@@ -485,10 +323,6 @@
 	if (ret)
 		return ret;
 
-	ret = drm_mm_init(&chan->ramin_heap, 0, chan->ramin->size);
-	if (ret)
-		return ret;
-
 	return 0;
 }
 
@@ -503,10 +337,6 @@
 	if (ret)
 		return ret;
 
-	ret = drm_mm_init(&chan->ramin_heap, 0, chan->ramin->size);
-	if (ret)
-		return ret;
-
 	ret = nouveau_gpuobj_new(dev, chan, 0x0200, 0, 0, &chan->ramfc);
 	if (ret)
 		return ret;
@@ -533,10 +363,6 @@
 	if (ret)
 		return ret;
 
-	ret = drm_mm_init(&chan->ramin_heap, 0, chan->ramin->size);
-	if (ret)
-		return ret;
-
 	ret = nouveau_gpuobj_new(dev, chan, 0x0200, 0, 0, &chan->engptr);
 	if (ret)
 		return ret;
@@ -552,30 +378,20 @@
 nvc0_gpuobj_channel_init(struct nouveau_channel *chan, struct nouveau_vm *vm)
 {
 	struct drm_device *dev = chan->dev;
-	struct nouveau_gpuobj *pgd = NULL;
-	struct nouveau_vm_pgd *vpgd;
 	int ret;
 
 	ret = nouveau_gpuobj_new(dev, NULL, 4096, 0x1000, 0, &chan->ramin);
 	if (ret)
 		return ret;
 
-	/* create page directory for this vm if none currently exists,
-	 * will be destroyed automagically when last reference to the
-	 * vm is removed
-	 */
-	if (list_empty(&vm->pgd_list)) {
-		ret = nouveau_gpuobj_new(dev, NULL, 65536, 0x1000, 0, &pgd);
-		if (ret)
-			return ret;
-	}
-	nouveau_vm_ref(vm, &chan->vm, pgd);
-	nouveau_gpuobj_ref(NULL, &pgd);
+	ret = nouveau_gpuobj_new(dev, NULL, 65536, 0x1000, 0, &chan->vm_pd);
+	if (ret)
+		return ret;
 
-	/* point channel at vm's page directory */
-	vpgd = list_first_entry(&vm->pgd_list, struct nouveau_vm_pgd, head);
-	nv_wo32(chan->ramin, 0x0200, lower_32_bits(vpgd->obj->vinst));
-	nv_wo32(chan->ramin, 0x0204, upper_32_bits(vpgd->obj->vinst));
+	nouveau_vm_ref(vm, &chan->vm, chan->vm_pd);
+
+	nv_wo32(chan->ramin, 0x0200, lower_32_bits(chan->vm_pd->addr));
+	nv_wo32(chan->ramin, 0x0204, upper_32_bits(chan->vm_pd->addr));
 	nv_wo32(chan->ramin, 0x0208, 0xffffffff);
 	nv_wo32(chan->ramin, 0x020c, 0x000000ff);
 
@@ -698,132 +514,5 @@
 	nouveau_gpuobj_ref(NULL, &chan->ramfc);
 	nouveau_gpuobj_ref(NULL, &chan->engptr);
 
-	if (drm_mm_initialized(&chan->ramin_heap))
-		drm_mm_takedown(&chan->ramin_heap);
 	nouveau_gpuobj_ref(NULL, &chan->ramin);
 }
-
-int
-nouveau_gpuobj_suspend(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpuobj *gpuobj;
-	int i;
-
-	list_for_each_entry(gpuobj, &dev_priv->gpuobj_list, list) {
-		if (gpuobj->cinst != NVOBJ_CINST_GLOBAL)
-			continue;
-
-		gpuobj->suspend = vmalloc(gpuobj->size);
-		if (!gpuobj->suspend) {
-			nouveau_gpuobj_resume(dev);
-			return -ENOMEM;
-		}
-
-		for (i = 0; i < gpuobj->size; i += 4)
-			gpuobj->suspend[i/4] = nv_ro32(gpuobj, i);
-	}
-
-	return 0;
-}
-
-void
-nouveau_gpuobj_resume(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpuobj *gpuobj;
-	int i;
-
-	list_for_each_entry(gpuobj, &dev_priv->gpuobj_list, list) {
-		if (!gpuobj->suspend)
-			continue;
-
-		for (i = 0; i < gpuobj->size; i += 4)
-			nv_wo32(gpuobj, i, gpuobj->suspend[i/4]);
-
-		vfree(gpuobj->suspend);
-		gpuobj->suspend = NULL;
-	}
-
-	dev_priv->engine.instmem.flush(dev);
-}
-
-u32
-nv_ro32(struct nouveau_gpuobj *gpuobj, u32 offset)
-{
-	struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
-	struct drm_device *dev = gpuobj->dev;
-	unsigned long flags;
-
-	if (gpuobj->pinst == ~0 || !dev_priv->ramin_available) {
-		u64  ptr = gpuobj->vinst + offset;
-		u32 base = ptr >> 16;
-		u32  val;
-
-		spin_lock_irqsave(&dev_priv->vm_lock, flags);
-		if (dev_priv->ramin_base != base) {
-			dev_priv->ramin_base = base;
-			nv_wr32(dev, 0x001700, dev_priv->ramin_base);
-		}
-		val = nv_rd32(dev, 0x700000 + (ptr & 0xffff));
-		spin_unlock_irqrestore(&dev_priv->vm_lock, flags);
-		return val;
-	}
-
-	return nv_ri32(dev, gpuobj->pinst + offset);
-}
-
-void
-nv_wo32(struct nouveau_gpuobj *gpuobj, u32 offset, u32 val)
-{
-	struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
-	struct drm_device *dev = gpuobj->dev;
-	unsigned long flags;
-
-	if (gpuobj->pinst == ~0 || !dev_priv->ramin_available) {
-		u64  ptr = gpuobj->vinst + offset;
-		u32 base = ptr >> 16;
-
-		spin_lock_irqsave(&dev_priv->vm_lock, flags);
-		if (dev_priv->ramin_base != base) {
-			dev_priv->ramin_base = base;
-			nv_wr32(dev, 0x001700, dev_priv->ramin_base);
-		}
-		nv_wr32(dev, 0x700000 + (ptr & 0xffff), val);
-		spin_unlock_irqrestore(&dev_priv->vm_lock, flags);
-		return;
-	}
-
-	nv_wi32(dev, gpuobj->pinst + offset, val);
-}
-
-int
-nouveau_gpuobj_map_vm(struct nouveau_gpuobj *gpuobj, u32 flags,
-		      struct nouveau_vm *vm, struct nouveau_vma *vma)
-{
-	struct nouveau_mem **mem = gpuobj->node;
-	struct nouveau_mem *node = *mem;
-	int ret;
-
-	ret = nouveau_vm_get(vm, node->size << 12, 12, flags, vma);
-	if (ret)
-		return ret;
-
-	nouveau_vm_map(vma, node);
-	return 0;
-}
-
-int
-nouveau_gpuobj_map_bar(struct nouveau_gpuobj *gpuobj, u32 flags,
-		       struct nouveau_vma *vma)
-{
-	struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
-	return nouveau_gpuobj_map_vm(gpuobj, flags, dev_priv->bar1_vm, vma);
-}
-
-void
-nouveau_gpuobj_unmap(struct nouveau_vma *vma)
-{
-	nouveau_vm_unmap(vma);
-	nouveau_vm_put(vma);
-}
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 4aea1c4..48131ce 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -38,7 +38,6 @@
 #include "nouveau_drv.h"
 #include "nouveau_pm.h"
 #include <core/mm.h>
-#include <subdev/vm.h>
 #include <engine/fifo.h>
 #include "nouveau_fence.h"
 
@@ -220,7 +219,7 @@
 		dev_priv->fb_mappable_pages = pci_resource_len(dev->pdev, 1);
 	dev_priv->fb_mappable_pages >>= PAGE_SHIFT;
 
-	dev_priv->fb_available_size -= dev_priv->ramin_rsvd_vram;
+	dev_priv->fb_available_size -= nvimem_reserved(dev);
 	dev_priv->fb_aper_free = dev_priv->fb_available_size;
 
 	/* mappable vram */
@@ -1058,3 +1057,71 @@
 	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_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c
index 151ffbb..2cc4779 100644
--- a/drivers/gpu/drm/nouveau/nouveau_notifier.c
+++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c
@@ -96,16 +96,6 @@
 	drm_mm_takedown(&chan->notifier_heap);
 }
 
-static void
-nouveau_notifier_gpuobj_dtor(struct drm_device *dev,
-			     struct nouveau_gpuobj *gpuobj)
-{
-	NV_DEBUG(dev, "\n");
-
-	if (gpuobj->priv)
-		drm_mm_put_block(gpuobj->priv);
-}
-
 int
 nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle,
 		       int size, uint32_t start, uint32_t end,
@@ -147,8 +137,6 @@
 		NV_ERROR(dev, "Error creating notifier ctxdma: %d\n", ret);
 		return ret;
 	}
-	nobj->dtor = nouveau_notifier_gpuobj_dtor;
-	nobj->priv = mem;
 
 	ret = nouveau_ramht_insert(chan, handle, nobj);
 	nouveau_gpuobj_ref(NULL, &nobj);
diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index 38483a0..464beda 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -13,7 +13,7 @@
 	 */
 	struct ttm_dma_tt ttm;
 	struct drm_device *dev;
-	u64 offset;
+	struct nouveau_mem *node;
 };
 
 static void
@@ -32,25 +32,18 @@
 nv04_sgdma_bind(struct ttm_tt *ttm, struct ttm_mem_reg *mem)
 {
 	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
-	struct drm_device *dev = nvbe->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpuobj *gpuobj = dev_priv->gart_info.sg_ctxdma;
-	unsigned i, j, pte;
+	struct nouveau_mem *node = mem->mm_node;
+	u64 size = mem->num_pages << 12;
 
-	NV_DEBUG(dev, "pg=0x%lx\n", mem->start);
-
-	nvbe->offset = mem->start << PAGE_SHIFT;
-	pte = (nvbe->offset >> NV_CTXDMA_PAGE_SHIFT) + 2;
-	for (i = 0; i < ttm->num_pages; i++) {
-		dma_addr_t dma_offset = nvbe->ttm.dma_address[i];
-		uint32_t offset_l = lower_32_bits(dma_offset);
-
-		for (j = 0; j < PAGE_SIZE / NV_CTXDMA_PAGE_SIZE; j++, pte++) {
-			nv_wo32(gpuobj, (pte * 4) + 0, offset_l | 3);
-			offset_l += NV_CTXDMA_PAGE_SIZE;
-		}
+	if (ttm->sg) {
+		node->sg = ttm->sg;
+		nouveau_vm_map_sg_table(&node->vma[0], 0, size, node);
+	} else {
+		node->pages = nvbe->ttm.dma_address;
+		nouveau_vm_map_sg(&node->vma[0], 0, size, node);
 	}
 
+	nvbe->node = node;
 	return 0;
 }
 
@@ -58,22 +51,7 @@
 nv04_sgdma_unbind(struct ttm_tt *ttm)
 {
 	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
-	struct drm_device *dev = nvbe->dev;
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpuobj *gpuobj = dev_priv->gart_info.sg_ctxdma;
-	unsigned i, j, pte;
-
-	NV_DEBUG(dev, "\n");
-
-	if (ttm->state != tt_bound)
-		return 0;
-
-	pte = (nvbe->offset >> NV_CTXDMA_PAGE_SHIFT) + 2;
-	for (i = 0; i < ttm->num_pages; i++) {
-		for (j = 0; j < PAGE_SIZE / NV_CTXDMA_PAGE_SIZE; j++, pte++)
-			nv_wo32(gpuobj, (pte * 4) + 0, 0x00000000);
-	}
-
+	nouveau_vm_unmap(&nvbe->node->vma[0]);
 	return 0;
 }
 
@@ -83,206 +61,6 @@
 	.destroy		= nouveau_sgdma_destroy
 };
 
-static void
-nv41_sgdma_flush(struct nouveau_sgdma_be *nvbe)
-{
-	struct drm_device *dev = nvbe->dev;
-
-	nv_wr32(dev, 0x100810, 0x00000022);
-	if (!nv_wait(dev, 0x100810, 0x00000100, 0x00000100))
-		NV_ERROR(dev, "vm flush timeout: 0x%08x\n",
-			 nv_rd32(dev, 0x100810));
-	nv_wr32(dev, 0x100810, 0x00000000);
-}
-
-static int
-nv41_sgdma_bind(struct ttm_tt *ttm, struct ttm_mem_reg *mem)
-{
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
-	struct drm_nouveau_private *dev_priv = nvbe->dev->dev_private;
-	struct nouveau_gpuobj *pgt = dev_priv->gart_info.sg_ctxdma;
-	dma_addr_t *list = nvbe->ttm.dma_address;
-	u32 pte = mem->start << 2;
-	u32 cnt = ttm->num_pages;
-
-	nvbe->offset = mem->start << PAGE_SHIFT;
-
-	while (cnt--) {
-		nv_wo32(pgt, pte, (*list++ >> 7) | 1);
-		pte += 4;
-	}
-
-	nv41_sgdma_flush(nvbe);
-	return 0;
-}
-
-static int
-nv41_sgdma_unbind(struct ttm_tt *ttm)
-{
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
-	struct drm_nouveau_private *dev_priv = nvbe->dev->dev_private;
-	struct nouveau_gpuobj *pgt = dev_priv->gart_info.sg_ctxdma;
-	u32 pte = (nvbe->offset >> 12) << 2;
-	u32 cnt = ttm->num_pages;
-
-	while (cnt--) {
-		nv_wo32(pgt, pte, 0x00000000);
-		pte += 4;
-	}
-
-	nv41_sgdma_flush(nvbe);
-	return 0;
-}
-
-static struct ttm_backend_func nv41_sgdma_backend = {
-	.bind			= nv41_sgdma_bind,
-	.unbind			= nv41_sgdma_unbind,
-	.destroy		= nouveau_sgdma_destroy
-};
-
-static void
-nv44_sgdma_flush(struct ttm_tt *ttm)
-{
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
-	struct drm_device *dev = nvbe->dev;
-
-	nv_wr32(dev, 0x100814, (ttm->num_pages - 1) << 12);
-	nv_wr32(dev, 0x100808, nvbe->offset | 0x20);
-	if (!nv_wait(dev, 0x100808, 0x00000001, 0x00000001))
-		NV_ERROR(dev, "gart flush timeout: 0x%08x\n",
-			 nv_rd32(dev, 0x100808));
-	nv_wr32(dev, 0x100808, 0x00000000);
-}
-
-static void
-nv44_sgdma_fill(struct nouveau_gpuobj *pgt, dma_addr_t *list, u32 base, u32 cnt)
-{
-	struct drm_nouveau_private *dev_priv = pgt->dev->dev_private;
-	dma_addr_t dummy = dev_priv->gart_info.dummy.addr;
-	u32 pte, tmp[4];
-
-	pte   = base >> 2;
-	base &= ~0x0000000f;
-
-	tmp[0] = nv_ro32(pgt, base + 0x0);
-	tmp[1] = nv_ro32(pgt, base + 0x4);
-	tmp[2] = nv_ro32(pgt, base + 0x8);
-	tmp[3] = nv_ro32(pgt, base + 0xc);
-	while (cnt--) {
-		u32 addr = list ? (*list++ >> 12) : (dummy >> 12);
-		switch (pte++ & 0x3) {
-		case 0:
-			tmp[0] &= ~0x07ffffff;
-			tmp[0] |= addr;
-			break;
-		case 1:
-			tmp[0] &= ~0xf8000000;
-			tmp[0] |= addr << 27;
-			tmp[1] &= ~0x003fffff;
-			tmp[1] |= addr >> 5;
-			break;
-		case 2:
-			tmp[1] &= ~0xffc00000;
-			tmp[1] |= addr << 22;
-			tmp[2] &= ~0x0001ffff;
-			tmp[2] |= addr >> 10;
-			break;
-		case 3:
-			tmp[2] &= ~0xfffe0000;
-			tmp[2] |= addr << 17;
-			tmp[3] &= ~0x00000fff;
-			tmp[3] |= addr >> 15;
-			break;
-		}
-	}
-
-	tmp[3] |= 0x40000000;
-
-	nv_wo32(pgt, base + 0x0, tmp[0]);
-	nv_wo32(pgt, base + 0x4, tmp[1]);
-	nv_wo32(pgt, base + 0x8, tmp[2]);
-	nv_wo32(pgt, base + 0xc, tmp[3]);
-}
-
-static int
-nv44_sgdma_bind(struct ttm_tt *ttm, struct ttm_mem_reg *mem)
-{
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
-	struct drm_nouveau_private *dev_priv = nvbe->dev->dev_private;
-	struct nouveau_gpuobj *pgt = dev_priv->gart_info.sg_ctxdma;
-	dma_addr_t *list = nvbe->ttm.dma_address;
-	u32 pte = mem->start << 2, tmp[4];
-	u32 cnt = ttm->num_pages;
-	int i;
-
-	nvbe->offset = mem->start << PAGE_SHIFT;
-
-	if (pte & 0x0000000c) {
-		u32  max = 4 - ((pte >> 2) & 0x3);
-		u32 part = (cnt > max) ? max : cnt;
-		nv44_sgdma_fill(pgt, list, pte, part);
-		pte  += (part << 2);
-		list += part;
-		cnt  -= part;
-	}
-
-	while (cnt >= 4) {
-		for (i = 0; i < 4; i++)
-			tmp[i] = *list++ >> 12;
-		nv_wo32(pgt, pte + 0x0, tmp[0] >>  0 | tmp[1] << 27);
-		nv_wo32(pgt, pte + 0x4, tmp[1] >>  5 | tmp[2] << 22);
-		nv_wo32(pgt, pte + 0x8, tmp[2] >> 10 | tmp[3] << 17);
-		nv_wo32(pgt, pte + 0xc, tmp[3] >> 15 | 0x40000000);
-		pte  += 0x10;
-		cnt  -= 4;
-	}
-
-	if (cnt)
-		nv44_sgdma_fill(pgt, list, pte, cnt);
-
-	nv44_sgdma_flush(ttm);
-	return 0;
-}
-
-static int
-nv44_sgdma_unbind(struct ttm_tt *ttm)
-{
-	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
-	struct drm_nouveau_private *dev_priv = nvbe->dev->dev_private;
-	struct nouveau_gpuobj *pgt = dev_priv->gart_info.sg_ctxdma;
-	u32 pte = (nvbe->offset >> 12) << 2;
-	u32 cnt = ttm->num_pages;
-
-	if (pte & 0x0000000c) {
-		u32  max = 4 - ((pte >> 2) & 0x3);
-		u32 part = (cnt > max) ? max : cnt;
-		nv44_sgdma_fill(pgt, NULL, pte, part);
-		pte  += (part << 2);
-		cnt  -= part;
-	}
-
-	while (cnt >= 4) {
-		nv_wo32(pgt, pte + 0x0, 0x00000000);
-		nv_wo32(pgt, pte + 0x4, 0x00000000);
-		nv_wo32(pgt, pte + 0x8, 0x00000000);
-		nv_wo32(pgt, pte + 0xc, 0x00000000);
-		pte  += 0x10;
-		cnt  -= 4;
-	}
-
-	if (cnt)
-		nv44_sgdma_fill(pgt, NULL, pte, cnt);
-
-	nv44_sgdma_flush(ttm);
-	return 0;
-}
-
-static struct ttm_backend_func nv44_sgdma_backend = {
-	.bind			= nv44_sgdma_bind,
-	.unbind			= nv44_sgdma_unbind,
-	.destroy		= nouveau_sgdma_destroy
-};
-
 static int
 nv50_sgdma_bind(struct ttm_tt *ttm, struct ttm_mem_reg *mem)
 {
@@ -337,82 +115,24 @@
 nouveau_sgdma_init(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_gpuobj *gpuobj = NULL;
-	u32 aper_size, align;
-	int ret;
+	u32 aper_size;
 
-	if (dev_priv->card_type >= NV_40)
+	if (dev_priv->card_type >= NV_50)
 		aper_size = 512 * 1024 * 1024;
 	else
 		aper_size = 128 * 1024 * 1024;
 
-	/* Dear NVIDIA, NV44+ would like proper present bits in PTEs for
-	 * christmas.  The cards before it have them, the cards after
-	 * it have them, why is NV44 so unloved?
-	 */
-	dev_priv->gart_info.dummy.page = alloc_page(GFP_DMA32 | GFP_KERNEL);
-	if (!dev_priv->gart_info.dummy.page)
-		return -ENOMEM;
-
-	dev_priv->gart_info.dummy.addr =
-		pci_map_page(dev->pdev, dev_priv->gart_info.dummy.page,
-			     0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
-	if (pci_dma_mapping_error(dev->pdev, dev_priv->gart_info.dummy.addr)) {
-		NV_ERROR(dev, "error mapping dummy page\n");
-		__free_page(dev_priv->gart_info.dummy.page);
-		dev_priv->gart_info.dummy.page = NULL;
-		return -ENOMEM;
-	}
-
 	if (dev_priv->card_type >= NV_50) {
 		dev_priv->gart_info.aper_base = 0;
 		dev_priv->gart_info.aper_size = aper_size;
 		dev_priv->gart_info.type = NOUVEAU_GART_HW;
 		dev_priv->gart_info.func = &nv50_sgdma_backend;
-	} else
-	if (0 && pci_is_pcie(dev->pdev) &&
-	    dev_priv->chipset > 0x40 && dev_priv->chipset != 0x45) {
-		if (nv44_graph_class(dev)) {
-			dev_priv->gart_info.func = &nv44_sgdma_backend;
-			align = 512 * 1024;
-		} else {
-			dev_priv->gart_info.func = &nv41_sgdma_backend;
-			align = 16;
-		}
-
-		ret = nouveau_gpuobj_new(dev, NULL, aper_size / 1024, align,
-					 NVOBJ_FLAG_ZERO_ALLOC |
-					 NVOBJ_FLAG_ZERO_FREE, &gpuobj);
-		if (ret) {
-			NV_ERROR(dev, "Error creating sgdma object: %d\n", ret);
-			return ret;
-		}
-
-		dev_priv->gart_info.sg_ctxdma = gpuobj;
-		dev_priv->gart_info.aper_base = 0;
-		dev_priv->gart_info.aper_size = aper_size;
-		dev_priv->gart_info.type = NOUVEAU_GART_HW;
 	} else {
-		ret = nouveau_gpuobj_new(dev, NULL, (aper_size / 1024) + 8, 16,
-					 NVOBJ_FLAG_ZERO_ALLOC |
-					 NVOBJ_FLAG_ZERO_FREE, &gpuobj);
-		if (ret) {
-			NV_ERROR(dev, "Error creating sgdma object: %d\n", ret);
-			return ret;
-		}
-
-		nv_wo32(gpuobj, 0, NV_CLASS_DMA_IN_MEMORY |
-				   (1 << 12) /* PT present */ |
-				   (0 << 13) /* PT *not* linear */ |
-				   (0 << 14) /* RW */ |
-				   (2 << 16) /* PCI */);
-		nv_wo32(gpuobj, 4, aper_size - 1);
-
-		dev_priv->gart_info.sg_ctxdma = gpuobj;
 		dev_priv->gart_info.aper_base = 0;
 		dev_priv->gart_info.aper_size = aper_size;
 		dev_priv->gart_info.type = NOUVEAU_GART_PDMA;
 		dev_priv->gart_info.func = &nv04_sgdma_backend;
+		dev_priv->gart_info.sg_ctxdma = nv04vm_refdma(dev);
 	}
 
 	return 0;
@@ -424,13 +144,6 @@
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 
 	nouveau_gpuobj_ref(NULL, &dev_priv->gart_info.sg_ctxdma);
-
-	if (dev_priv->gart_info.dummy.page) {
-		pci_unmap_page(dev->pdev, dev_priv->gart_info.dummy.addr,
-			       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
-		__free_page(dev_priv->gart_info.dummy.page);
-		dev_priv->gart_info.dummy.page = NULL;
-	}
 }
 
 uint32_t
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 14998ee..f53c6a7 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -52,15 +52,6 @@
 
 	switch (dev_priv->chipset & 0xf0) {
 	case 0x00:
-		engine->instmem.init		= nv04_instmem_init;
-		engine->instmem.takedown	= nv04_instmem_takedown;
-		engine->instmem.suspend		= nv04_instmem_suspend;
-		engine->instmem.resume		= nv04_instmem_resume;
-		engine->instmem.get		= nv04_instmem_get;
-		engine->instmem.put		= nv04_instmem_put;
-		engine->instmem.map		= nv04_instmem_map;
-		engine->instmem.unmap		= nv04_instmem_unmap;
-		engine->instmem.flush		= nv04_instmem_flush;
 		engine->display.early_init	= nv04_display_early_init;
 		engine->display.late_takedown	= nv04_display_late_takedown;
 		engine->display.create		= nv04_display_create;
@@ -72,15 +63,6 @@
 		engine->pm.clocks_set		= nv04_pm_clocks_set;
 		break;
 	case 0x10:
-		engine->instmem.init		= nv04_instmem_init;
-		engine->instmem.takedown	= nv04_instmem_takedown;
-		engine->instmem.suspend		= nv04_instmem_suspend;
-		engine->instmem.resume		= nv04_instmem_resume;
-		engine->instmem.get		= nv04_instmem_get;
-		engine->instmem.put		= nv04_instmem_put;
-		engine->instmem.map		= nv04_instmem_map;
-		engine->instmem.unmap		= nv04_instmem_unmap;
-		engine->instmem.flush		= nv04_instmem_flush;
 		engine->display.early_init	= nv04_display_early_init;
 		engine->display.late_takedown	= nv04_display_late_takedown;
 		engine->display.create		= nv04_display_create;
@@ -92,15 +74,6 @@
 		engine->pm.clocks_set		= nv04_pm_clocks_set;
 		break;
 	case 0x20:
-		engine->instmem.init		= nv04_instmem_init;
-		engine->instmem.takedown	= nv04_instmem_takedown;
-		engine->instmem.suspend		= nv04_instmem_suspend;
-		engine->instmem.resume		= nv04_instmem_resume;
-		engine->instmem.get		= nv04_instmem_get;
-		engine->instmem.put		= nv04_instmem_put;
-		engine->instmem.map		= nv04_instmem_map;
-		engine->instmem.unmap		= nv04_instmem_unmap;
-		engine->instmem.flush		= nv04_instmem_flush;
 		engine->display.early_init	= nv04_display_early_init;
 		engine->display.late_takedown	= nv04_display_late_takedown;
 		engine->display.create		= nv04_display_create;
@@ -112,15 +85,6 @@
 		engine->pm.clocks_set		= nv04_pm_clocks_set;
 		break;
 	case 0x30:
-		engine->instmem.init		= nv04_instmem_init;
-		engine->instmem.takedown	= nv04_instmem_takedown;
-		engine->instmem.suspend		= nv04_instmem_suspend;
-		engine->instmem.resume		= nv04_instmem_resume;
-		engine->instmem.get		= nv04_instmem_get;
-		engine->instmem.put		= nv04_instmem_put;
-		engine->instmem.map		= nv04_instmem_map;
-		engine->instmem.unmap		= nv04_instmem_unmap;
-		engine->instmem.flush		= nv04_instmem_flush;
 		engine->display.early_init	= nv04_display_early_init;
 		engine->display.late_takedown	= nv04_display_late_takedown;
 		engine->display.create		= nv04_display_create;
@@ -135,15 +99,6 @@
 		break;
 	case 0x40:
 	case 0x60:
-		engine->instmem.init		= nv40_instmem_init;
-		engine->instmem.takedown	= nv40_instmem_takedown;
-		engine->instmem.suspend		= nv40_instmem_suspend;
-		engine->instmem.resume		= nv40_instmem_resume;
-		engine->instmem.get		= nv40_instmem_get;
-		engine->instmem.put		= nv40_instmem_put;
-		engine->instmem.map		= nv40_instmem_map;
-		engine->instmem.unmap		= nv40_instmem_unmap;
-		engine->instmem.flush		= nv40_instmem_flush;
 		engine->display.early_init	= nv04_display_early_init;
 		engine->display.late_takedown	= nv04_display_late_takedown;
 		engine->display.create		= nv04_display_create;
@@ -163,18 +118,6 @@
 	case 0x80: /* gotta love NVIDIA's consistency.. */
 	case 0x90:
 	case 0xa0:
-		engine->instmem.init		= nv50_instmem_init;
-		engine->instmem.takedown	= nv50_instmem_takedown;
-		engine->instmem.suspend		= nv50_instmem_suspend;
-		engine->instmem.resume		= nv50_instmem_resume;
-		engine->instmem.get		= nv50_instmem_get;
-		engine->instmem.put		= nv50_instmem_put;
-		engine->instmem.map		= nv50_instmem_map;
-		engine->instmem.unmap		= nv50_instmem_unmap;
-		if (dev_priv->chipset == 0x50)
-			engine->instmem.flush	= nv50_instmem_flush;
-		else
-			engine->instmem.flush	= nv84_instmem_flush;
 		engine->display.early_init	= nv50_display_early_init;
 		engine->display.late_takedown	= nv50_display_late_takedown;
 		engine->display.create		= nv50_display_create;
@@ -212,15 +155,6 @@
 		engine->pm.pwm_set		= nv50_pm_pwm_set;
 		break;
 	case 0xc0:
-		engine->instmem.init		= nvc0_instmem_init;
-		engine->instmem.takedown	= nvc0_instmem_takedown;
-		engine->instmem.suspend		= nvc0_instmem_suspend;
-		engine->instmem.resume		= nvc0_instmem_resume;
-		engine->instmem.get		= nv50_instmem_get;
-		engine->instmem.put		= nv50_instmem_put;
-		engine->instmem.map		= nv50_instmem_map;
-		engine->instmem.unmap		= nv50_instmem_unmap;
-		engine->instmem.flush		= nv84_instmem_flush;
 		engine->display.early_init	= nv50_display_early_init;
 		engine->display.late_takedown	= nv50_display_late_takedown;
 		engine->display.create		= nv50_display_create;
@@ -237,15 +171,6 @@
 		engine->pm.pwm_set		= nv50_pm_pwm_set;
 		break;
 	case 0xd0:
-		engine->instmem.init		= nvc0_instmem_init;
-		engine->instmem.takedown	= nvc0_instmem_takedown;
-		engine->instmem.suspend		= nvc0_instmem_suspend;
-		engine->instmem.resume		= nvc0_instmem_resume;
-		engine->instmem.get		= nv50_instmem_get;
-		engine->instmem.put		= nv50_instmem_put;
-		engine->instmem.map		= nv50_instmem_map;
-		engine->instmem.unmap		= nv50_instmem_unmap;
-		engine->instmem.flush		= nv84_instmem_flush;
 		engine->display.early_init	= nouveau_stub_init;
 		engine->display.late_takedown	= nouveau_stub_takedown;
 		engine->display.create		= nvd0_display_create;
@@ -260,15 +185,6 @@
 		engine->pm.voltage_set		= nouveau_voltage_gpio_set;
 		break;
 	case 0xe0:
-		engine->instmem.init		= nvc0_instmem_init;
-		engine->instmem.takedown	= nvc0_instmem_takedown;
-		engine->instmem.suspend		= nvc0_instmem_suspend;
-		engine->instmem.resume		= nvc0_instmem_resume;
-		engine->instmem.get		= nv50_instmem_get;
-		engine->instmem.put		= nv50_instmem_put;
-		engine->instmem.map		= nv50_instmem_map;
-		engine->instmem.unmap		= nv50_instmem_unmap;
-		engine->instmem.flush		= nv84_instmem_flush;
 		engine->display.early_init	= nouveau_stub_init;
 		engine->display.late_takedown	= nouveau_stub_takedown;
 		engine->display.create		= nvd0_display_create;
@@ -354,8 +270,10 @@
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 
-	if (dev_priv->channel)
+	if (dev_priv->channel) {
 		nouveau_channel_put_unlocked(&dev_priv->channel);
+		nouveau_vm_ref(NULL, &dev_priv->chan_vm, NULL);
+	}
 }
 
 static int
@@ -365,6 +283,10 @@
 	struct nouveau_channel *chan;
 	int ret;
 
+	ret = nouveau_vm_new(dev, 0, (1ULL << 40), 0x1000, &dev_priv->chan_vm);
+	if (ret)
+		return ret;
+
 	ret = nouveau_channel_alloc(dev, &chan, NULL, NvDmaFB, NvDmaTT);
 	dev_priv->channel = chan;
 	if (ret)
@@ -400,6 +322,7 @@
 	spin_lock_init(&dev_priv->tile.lock);
 	spin_lock_init(&dev_priv->context_switch_lock);
 	spin_lock_init(&dev_priv->vm_lock);
+	INIT_LIST_HEAD(&dev_priv->classes);
 
 	/* Make the CRTCs and I2C buses accessible */
 	ret = engine->display.early_init(dev);
@@ -419,17 +342,9 @@
 		nv_mask(dev, 0x00088080, 0x00000800, 0x00000000);
 	}
 
-	ret = nouveau_gpuobj_init(dev);
-	if (ret)
-		goto out_bios;
-
-	ret = engine->instmem.init(dev);
-	if (ret)
-		goto out_gpuobj;
-
 	ret = nouveau_mem_vram_init(dev);
 	if (ret)
-		goto out_instmem;
+		goto out_bios;
 
 	ret = nouveau_mem_gart_init(dev);
 	if (ret)
@@ -652,10 +567,6 @@
 	nouveau_mem_gart_fini(dev);
 out_ttmvram:
 	nouveau_mem_vram_fini(dev);
-out_instmem:
-	engine->instmem.takedown(dev);
-out_gpuobj:
-	nouveau_gpuobj_takedown(dev);
 out_bios:
 	nouveau_bios_takedown(dev);
 out_display_early:
@@ -703,9 +614,6 @@
 	nouveau_mem_gart_fini(dev);
 	nouveau_mem_vram_fini(dev);
 
-	engine->instmem.takedown(dev);
-	nouveau_gpuobj_takedown(dev);
-
 	nouveau_bios_takedown(dev);
 	engine->display.late_takedown(dev);
 
@@ -955,32 +863,6 @@
 	if (ret)
 		goto err_priv;
 
-	/* Map PRAMIN BAR, or on older cards, the aperture within BAR0 */
-	if (dev_priv->card_type >= NV_40) {
-		int ramin_bar = 2;
-		if (pci_resource_len(dev->pdev, ramin_bar) == 0)
-			ramin_bar = 3;
-
-		dev_priv->ramin_size = pci_resource_len(dev->pdev, ramin_bar);
-		dev_priv->ramin =
-			ioremap(pci_resource_start(dev->pdev, ramin_bar),
-				dev_priv->ramin_size);
-		if (!dev_priv->ramin) {
-			NV_ERROR(dev, "Failed to map PRAMIN BAR\n");
-			ret = -ENOMEM;
-			goto err_priv;
-		}
-	} else {
-		dev_priv->ramin_size = 1 * 1024 * 1024;
-		dev_priv->ramin = ioremap(pci_resource_start(dev->pdev, 0),
-					  dev_priv->ramin_size);
-		if (!dev_priv->ramin) {
-			NV_ERROR(dev, "Failed to map BAR0 PRAMIN.\n");
-			ret = -ENOMEM;
-			goto err_priv;
-		}
-	}
-
 	nouveau_OF_copy_vbios_to_ramin(dev);
 
 	/* Special flags */
@@ -992,12 +874,10 @@
 	/* For kernel modesetting, init card now and bring up fbcon */
 	ret = nouveau_card_init(dev);
 	if (ret)
-		goto err_ramin;
+		goto err_priv;
 
 	return 0;
 
-err_ramin:
-	iounmap(dev_priv->ramin);
 err_priv:
 	dev->dev_private = dev_priv->newpriv;
 	kfree(dev_priv);
@@ -1016,8 +896,6 @@
 
 	nouveau_card_takedown(dev);
 
-	iounmap(dev_priv->ramin);
-
 	dev->dev_private = dev_priv->newpriv;
 	kfree(dev_priv);
 	return 0;
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index ccbb03e..9c0bb20 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -217,7 +217,7 @@
 		return ret;
 	evo = nv50_display(dev)->master;
 
-	nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9);
+	nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->addr >> 8) | 9);
 
 	ret = RING_SPACE(evo, 3);
 	if (ret)
diff --git a/drivers/gpu/drm/nouveau/nv50_evo.c b/drivers/gpu/drm/nouveau/nv50_evo.c
index 7a14242..7e9a6d6 100644
--- a/drivers/gpu/drm/nouveau/nv50_evo.c
+++ b/drivers/gpu/drm/nouveau/nv50_evo.c
@@ -70,7 +70,7 @@
 	nv50_gpuobj_dma_init(obj, 0, 0x3d, base, size, NV_MEM_TARGET_VRAM,
 			     NV_MEM_ACCESS_RW, (memtype >> 8) & 0xff, 0);
 	nv_wo32(obj, 0x14, flags5);
-	dev_priv->engine.instmem.flush(obj->dev);
+	nvimem_flush(obj->dev);
 }
 
 int
@@ -263,12 +263,6 @@
 		goto err;
 	}
 
-	ret = drm_mm_init(&evo->ramin_heap, 0, 32768);
-	if (ret) {
-		NV_ERROR(dev, "Error initialising EVO PRAMIN heap: %d\n", ret);
-		goto err;
-	}
-
 	ret = nouveau_gpuobj_new(dev, evo, 4096, 16, 0, &ramht);
 	if (ret) {
 		NV_ERROR(dev, "Unable to allocate EVO RAMHT: %d\n", ret);
@@ -294,7 +288,7 @@
 		goto err;
 
 	ret = nv50_evo_dmaobj_new(disp->master, NvEvoSync, 0x0000,
-				  disp->ntfy->vinst, disp->ntfy->size, NULL);
+				  disp->ntfy->addr, disp->ntfy->size, NULL);
 	if (ret)
 		goto err;
 
diff --git a/drivers/gpu/drm/nouveau/nv50_software.c b/drivers/gpu/drm/nouveau/nv50_software.c
index 1440a94..a1c06d4 100644
--- a/drivers/gpu/drm/nouveau/nv50_software.c
+++ b/drivers/gpu/drm/nouveau/nv50_software.c
@@ -48,7 +48,7 @@
 	if (!gpuobj)
 		return -ENOENT;
 
-	pch->base.vblank.ctxdma = gpuobj->cinst >> 4;
+	pch->base.vblank.ctxdma = gpuobj->node->offset >> 4;
 	return 0;
 }
 
@@ -105,7 +105,7 @@
 		return -ENOMEM;
 
 	nouveau_software_context_new(&pch->base);
-	pch->base.vblank.channel = chan->ramin->vinst >> 12;
+	pch->base.vblank.channel = chan->ramin->addr >> 12;
 	chan->engctx[engine] = pch;
 
 	/* dma objects for display sync channel semaphore blocks */
diff --git a/drivers/gpu/drm/nouveau/nv84_fence.c b/drivers/gpu/drm/nouveau/nv84_fence.c
index 199c57c..721716a 100644
--- a/drivers/gpu/drm/nouveau/nv84_fence.c
+++ b/drivers/gpu/drm/nouveau/nv84_fence.c
@@ -106,7 +106,7 @@
 	nouveau_fence_context_new(&fctx->base);
 
 	ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_FROM_MEMORY,
-				     priv->mem->vinst, priv->mem->size,
+				     priv->mem->addr, priv->mem->size,
 				     NV_MEM_ACCESS_RW,
 				     NV_MEM_TARGET_VRAM, &obj);
 	if (ret == 0) {
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index 8d9fc00..715359e 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -1903,7 +1903,7 @@
 	}
 
 	/* point at our hash table / objects, enable interrupts */
-	nv_wr32(dev, 0x610010, (disp->mem->vinst >> 8) | 9);
+	nv_wr32(dev, 0x610010, (disp->mem->addr >> 8) | 9);
 	nv_mask(dev, 0x6100b0, 0x00000307, 0x00000307);
 
 	/* init master */
@@ -1967,7 +1967,6 @@
 nvd0_display_create(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
 	struct dcb_table *dcb = &dev_priv->vbios.dcb;
 	struct drm_connector *connector, *tmp;
 	struct pci_dev *pdev = dev->pdev;
@@ -2106,7 +2105,7 @@
 						((dmao + 0x60) << 9));
 	}
 
-	pinstmem->flush(dev);
+	nvimem_flush(dev);
 
 out:
 	if (ret)