From 9a65a38c456ebac97f0498e85fe26f6d26fe3936 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 20 Aug 2015 14:54:19 +1000
Subject: [PATCH] drm/nouveau/fifo: split user classes out from engine
 implementations

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 .../drm/nouveau/include/nvkm/engine/fifo.h    |  24 -
 .../gpu/drm/nouveau/nvkm/engine/fifo/Kbuild   |  17 +
 .../gpu/drm/nouveau/nvkm/engine/fifo/base.c   | 194 ++-----
 .../gpu/drm/nouveau/nvkm/engine/fifo/chan.c   | 162 ++++++
 .../gpu/drm/nouveau/nvkm/engine/fifo/chan.h   |  28 ++
 .../drm/nouveau/nvkm/engine/fifo/chang84.c    | 231 +++++++++
 .../drm/nouveau/nvkm/engine/fifo/changf100.h  |  23 +
 .../drm/nouveau/nvkm/engine/fifo/changk104.h  |  27 +
 .../drm/nouveau/nvkm/engine/fifo/channv04.h   |  24 +
 .../drm/nouveau/nvkm/engine/fifo/channv50.c   | 259 ++++++++++
 .../drm/nouveau/nvkm/engine/fifo/channv50.h   |  42 ++
 .../gpu/drm/nouveau/nvkm/engine/fifo/dmag84.c | 127 +++++
 .../drm/nouveau/nvkm/engine/fifo/dmanv04.c    | 282 +++++++++++
 .../drm/nouveau/nvkm/engine/fifo/dmanv10.c    | 102 ++++
 .../drm/nouveau/nvkm/engine/fifo/dmanv17.c    | 104 ++++
 .../drm/nouveau/nvkm/engine/fifo/dmanv40.c    | 225 +++++++++
 .../drm/nouveau/nvkm/engine/fifo/dmanv50.c    | 115 +++++
 .../gpu/drm/nouveau/nvkm/engine/fifo/g84.c    | 424 +---------------
 .../gpu/drm/nouveau/nvkm/engine/fifo/gf100.c  | 473 +++--------------
 .../gpu/drm/nouveau/nvkm/engine/fifo/gf100.h  |  26 +
 .../gpu/drm/nouveau/nvkm/engine/fifo/gk104.c  | 403 +--------------
 .../gpu/drm/nouveau/nvkm/engine/fifo/gk104.h  |  39 +-
 .../gpu/drm/nouveau/nvkm/engine/fifo/gm204.c  |   9 +-
 .../drm/nouveau/nvkm/engine/fifo/gpfifog84.c  | 122 +++++
 .../nouveau/nvkm/engine/fifo/gpfifogf100.c    | 304 +++++++++++
 .../nouveau/nvkm/engine/fifo/gpfifogk104.c    | 357 +++++++++++++
 .../nouveau/nvkm/engine/fifo/gpfifogm204.c    |  32 ++
 .../drm/nouveau/nvkm/engine/fifo/gpfifonv50.c | 110 ++++
 .../gpu/drm/nouveau/nvkm/engine/fifo/nv04.c   | 329 ++----------
 .../gpu/drm/nouveau/nvkm/engine/fifo/nv04.h   | 146 +-----
 .../gpu/drm/nouveau/nvkm/engine/fifo/nv10.c   |  92 +---
 .../gpu/drm/nouveau/nvkm/engine/fifo/nv17.c   | 138 +----
 .../gpu/drm/nouveau/nvkm/engine/fifo/nv40.c   | 258 +---------
 .../gpu/drm/nouveau/nvkm/engine/fifo/nv50.c   | 475 ++----------------
 .../gpu/drm/nouveau/nvkm/engine/fifo/nv50.h   |  30 +-
 .../gpu/drm/nouveau/nvkm/engine/fifo/priv.h   |   8 +
 .../drm/nouveau/nvkm/engine/fifo/regsnv04.h   | 132 +++++
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv04.c |   1 +
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.c |   1 +
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c |   1 +
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c |   1 +
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c |   1 +
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c |   1 +
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c |   1 +
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c |   1 +
 45 files changed, 3147 insertions(+), 2754 deletions(-)
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmag84.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv10.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv17.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv50.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogm204.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifonv50.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fifo/regsnv04.h

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
index d70fe7f9a44d..ac97072dcfef 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
@@ -18,30 +18,6 @@ nvkm_fifo_chan(void *obj)
 	return (void *)nv_namedb(obj);
 }
 
-#define nvkm_fifo_channel_create(p,e,c,b,a,s,n,m,d)                         \
-	nvkm_fifo_channel_create_((p), (e), (c), (b), (a), (s), (n),        \
-				     (m), sizeof(**d), (void **)d)
-#define nvkm_fifo_channel_init(p)                                           \
-	nvkm_namedb_init(&(p)->namedb)
-#define nvkm_fifo_channel_fini(p,s)                                         \
-	nvkm_namedb_fini(&(p)->namedb, (s))
-
-int  nvkm_fifo_channel_create_(struct nvkm_object *,
-				  struct nvkm_object *,
-				  struct nvkm_oclass *,
-				  int bar, u32 addr, u32 size, u64 push,
-				  u64 engmask, int len, void **);
-void nvkm_fifo_channel_destroy(struct nvkm_fifo_chan *);
-
-#define _nvkm_fifo_channel_init _nvkm_namedb_init
-#define _nvkm_fifo_channel_fini _nvkm_namedb_fini
-
-void _nvkm_fifo_channel_dtor(struct nvkm_object *);
-int  _nvkm_fifo_channel_map(struct nvkm_object *, u64 *, u32 *);
-u32  _nvkm_fifo_channel_rd32(struct nvkm_object *, u64);
-void _nvkm_fifo_channel_wr32(struct nvkm_object *, u64, u32);
-int  _nvkm_fifo_channel_ntfy(struct nvkm_object *, u32, struct nvkm_event **);
-
 #include <core/gpuobj.h>
 
 struct nvkm_fifo_base {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild
index dc81a8b64f35..4525b01598a9 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild
@@ -11,3 +11,20 @@ nvkm-y += nvkm/engine/fifo/gk20a.o
 nvkm-y += nvkm/engine/fifo/gk208.o
 nvkm-y += nvkm/engine/fifo/gm204.o
 nvkm-y += nvkm/engine/fifo/gm20b.o
+
+nvkm-y += nvkm/engine/fifo/chan.o
+nvkm-y += nvkm/engine/fifo/channv50.o
+nvkm-y += nvkm/engine/fifo/chang84.o
+
+nvkm-y += nvkm/engine/fifo/dmanv04.o
+nvkm-y += nvkm/engine/fifo/dmanv10.o
+nvkm-y += nvkm/engine/fifo/dmanv17.o
+nvkm-y += nvkm/engine/fifo/dmanv40.o
+nvkm-y += nvkm/engine/fifo/dmanv50.o
+nvkm-y += nvkm/engine/fifo/dmag84.o
+
+nvkm-y += nvkm/engine/fifo/gpfifonv50.o
+nvkm-y += nvkm/engine/fifo/gpfifog84.o
+nvkm-y += nvkm/engine/fifo/gpfifogf100.o
+nvkm-y += nvkm/engine/fifo/gpfifogk104.o
+nvkm-y += nvkm/engine/fifo/gpfifogm204.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
index 958f290d088e..510de3c2d2e4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
@@ -21,14 +21,12 @@
  *
  * Authors: Ben Skeggs
  */
-#include <engine/fifo.h>
+#include "priv.h"
+#include "chan.h"
 
 #include <core/client.h>
-#include <core/handle.h>
 #include <core/notify.h>
-#include <engine/dma.h>
 
-#include <nvif/class.h>
 #include <nvif/event.h>
 #include <nvif/unpack.h>
 
@@ -74,138 +72,51 @@ nvkm_fifo_chan_chid(struct nvkm_fifo *fifo, int chid, unsigned long *rflags)
 }
 
 static int
-nvkm_fifo_event_ctor(struct nvkm_object *object, void *data, u32 size,
-		     struct nvkm_notify *notify)
-{
-	if (size == 0) {
-		notify->size  = 0;
-		notify->types = 1;
-		notify->index = 0;
-		return 0;
-	}
-	return -ENOSYS;
-}
-
-static const struct nvkm_event_func
-nvkm_fifo_event_func = {
-	.ctor = nvkm_fifo_event_ctor,
-};
-
-int
-nvkm_fifo_channel_create_(struct nvkm_object *parent,
-			  struct nvkm_object *engine,
-			  struct nvkm_oclass *oclass,
-			  int bar, u32 addr, u32 size, u64 pushbuf,
-			  u64 engmask, int len, void **ptr)
+nvkm_fifo_chid(struct nvkm_fifo *fifo, struct nvkm_object *object)
 {
-	struct nvkm_client *client = nvkm_client(parent);
-	struct nvkm_dmaobj *dmaobj;
-	struct nvkm_fifo *fifo = (void *)engine;
-	struct nvkm_fifo_base *base = (void *)parent;
-	struct nvkm_fifo_chan *chan;
-	struct nvkm_subdev *subdev = &fifo->engine.subdev;
-	struct nvkm_device *device = subdev->device;
-	struct nvkm_dma *dma = device->dma;
-	unsigned long flags;
-	int ret;
-
-	/* create base object class */
-	ret = nvkm_namedb_create_(parent, engine, oclass, 0, NULL,
-				  engmask, len, ptr);
-	chan = *ptr;
-	if (ret)
-		return ret;
-
-	/* validate dma object representing push buffer */
-	if (pushbuf) {
-		dmaobj = nvkm_dma_search(dma, client, pushbuf);
-		if (!dmaobj)
-			return -ENOENT;
-
-		ret = dmaobj->func->bind(dmaobj, &base->gpuobj, 16,
-					 &chan->pushgpu);
-		if (ret)
-			return ret;
-	}
-
-	/* find a free fifo channel */
-	spin_lock_irqsave(&fifo->lock, flags);
-	for (chan->chid = fifo->min; chan->chid < fifo->max; chan->chid++) {
-		if (!fifo->channel[chan->chid]) {
-			fifo->channel[chan->chid] = nv_object(chan);
-			break;
-		}
-	}
-	spin_unlock_irqrestore(&fifo->lock, flags);
+	int engidx = nv_hclass(fifo) & 0xff;
 
-	if (chan->chid == fifo->max) {
-		nvkm_error(subdev, "no free channels\n");
-		return -ENOSPC;
+	while (object && object->parent) {
+		if ( nv_iclass(object->parent, NV_ENGCTX_CLASS) &&
+		    (nv_hclass(object->parent) & 0xff) == engidx)
+			return nvkm_fifo_chan(object)->chid;
+		object = object->parent;
 	}
 
-	chan->addr = nv_device_resource_start(device, bar) +
-		     addr + size * chan->chid;
-	chan->size = size;
-	nvkm_event_send(&fifo->cevent, 1, 0, NULL, 0);
-	return 0;
+	return -1;
 }
 
-void
-nvkm_fifo_channel_destroy(struct nvkm_fifo_chan *chan)
+const char *
+nvkm_client_name_for_fifo_chid(struct nvkm_fifo *fifo, u32 chid)
 {
-	struct nvkm_fifo *fifo = (void *)nv_object(chan)->engine;
+	struct nvkm_fifo_chan *chan = NULL;
 	unsigned long flags;
 
-	if (chan->user)
-		iounmap(chan->user);
-
 	spin_lock_irqsave(&fifo->lock, flags);
-	fifo->channel[chan->chid] = NULL;
+	if (chid >= fifo->min && chid <= fifo->max)
+		chan = (void *)fifo->channel[chid];
 	spin_unlock_irqrestore(&fifo->lock, flags);
 
-	nvkm_gpuobj_del(&chan->pushgpu);
-	nvkm_namedb_destroy(&chan->namedb);
-}
-
-void
-_nvkm_fifo_channel_dtor(struct nvkm_object *object)
-{
-	struct nvkm_fifo_chan *chan = (void *)object;
-	nvkm_fifo_channel_destroy(chan);
-}
-
-int
-_nvkm_fifo_channel_map(struct nvkm_object *object, u64 *addr, u32 *size)
-{
-	struct nvkm_fifo_chan *chan = (void *)object;
-	*addr = chan->addr;
-	*size = chan->size;
-	return 0;
+	return nvkm_client_name(chan);
 }
 
-u32
-_nvkm_fifo_channel_rd32(struct nvkm_object *object, u64 addr)
+static int
+nvkm_fifo_event_ctor(struct nvkm_object *object, void *data, u32 size,
+		     struct nvkm_notify *notify)
 {
-	struct nvkm_fifo_chan *chan = (void *)object;
-	if (unlikely(!chan->user)) {
-		chan->user = ioremap(chan->addr, chan->size);
-		if (WARN_ON_ONCE(chan->user == NULL))
-			return 0;
+	if (size == 0) {
+		notify->size  = 0;
+		notify->types = 1;
+		notify->index = 0;
+		return 0;
 	}
-	return ioread32_native(chan->user + addr);
+	return -ENOSYS;
 }
 
-void
-_nvkm_fifo_channel_wr32(struct nvkm_object *object, u64 addr, u32 data)
-{
-	struct nvkm_fifo_chan *chan = (void *)object;
-	if (unlikely(!chan->user)) {
-		chan->user = ioremap(chan->addr, chan->size);
-		if (WARN_ON_ONCE(chan->user == NULL))
-			return;
-	}
-	iowrite32_native(data, chan->user + addr);
-}
+static const struct nvkm_event_func
+nvkm_fifo_event_func = {
+	.ctor = nvkm_fifo_event_ctor,
+};
 
 int
 nvkm_fifo_uevent_ctor(struct nvkm_object *object, void *data, u32 size,
@@ -233,53 +144,6 @@ nvkm_fifo_uevent(struct nvkm_fifo *fifo)
 	nvkm_event_send(&fifo->uevent, 1, 0, &rep, sizeof(rep));
 }
 
-int
-_nvkm_fifo_channel_ntfy(struct nvkm_object *object, u32 type,
-			struct nvkm_event **event)
-{
-	struct nvkm_fifo *fifo = (void *)object->engine;
-	switch (type) {
-	case G82_CHANNEL_DMA_V0_NTFY_UEVENT:
-		if (nv_mclass(object) >= G82_CHANNEL_DMA) {
-			*event = &fifo->uevent;
-			return 0;
-		}
-		break;
-	default:
-		break;
-	}
-	return -EINVAL;
-}
-
-static int
-nvkm_fifo_chid(struct nvkm_fifo *fifo, struct nvkm_object *object)
-{
-	int engidx = nv_hclass(fifo) & 0xff;
-
-	while (object && object->parent) {
-		if ( nv_iclass(object->parent, NV_ENGCTX_CLASS) &&
-		    (nv_hclass(object->parent) & 0xff) == engidx)
-			return nvkm_fifo_chan(object)->chid;
-		object = object->parent;
-	}
-
-	return -1;
-}
-
-const char *
-nvkm_client_name_for_fifo_chid(struct nvkm_fifo *fifo, u32 chid)
-{
-	struct nvkm_fifo_chan *chan = NULL;
-	unsigned long flags;
-
-	spin_lock_irqsave(&fifo->lock, flags);
-	if (chid >= fifo->min && chid <= fifo->max)
-		chan = (void *)fifo->channel[chid];
-	spin_unlock_irqrestore(&fifo->lock, flags);
-
-	return nvkm_client_name(chan);
-}
-
 void
 nvkm_fifo_destroy(struct nvkm_fifo *fifo)
 {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
new file mode 100644
index 000000000000..cc401ae1d6a5
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
@@ -0,0 +1,162 @@
+/*
+ * 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 "chan.h"
+
+#include <core/client.h>
+#include <engine/dma.h>
+
+#include <nvif/class.h>
+
+int
+_nvkm_fifo_channel_ntfy(struct nvkm_object *object, u32 type,
+			struct nvkm_event **event)
+{
+	struct nvkm_fifo *fifo = (void *)object->engine;
+	switch (type) {
+	case G82_CHANNEL_DMA_V0_NTFY_UEVENT:
+		if (nv_mclass(object) >= G82_CHANNEL_DMA) {
+			*event = &fifo->uevent;
+			return 0;
+		}
+		break;
+	default:
+		break;
+	}
+	return -EINVAL;
+}
+
+int
+_nvkm_fifo_channel_map(struct nvkm_object *object, u64 *addr, u32 *size)
+{
+	struct nvkm_fifo_chan *chan = (void *)object;
+	*addr = chan->addr;
+	*size = chan->size;
+	return 0;
+}
+
+u32
+_nvkm_fifo_channel_rd32(struct nvkm_object *object, u64 addr)
+{
+	struct nvkm_fifo_chan *chan = (void *)object;
+	if (unlikely(!chan->user)) {
+		chan->user = ioremap(chan->addr, chan->size);
+		if (WARN_ON_ONCE(chan->user == NULL))
+			return 0;
+	}
+	return ioread32_native(chan->user + addr);
+}
+
+void
+_nvkm_fifo_channel_wr32(struct nvkm_object *object, u64 addr, u32 data)
+{
+	struct nvkm_fifo_chan *chan = (void *)object;
+	if (unlikely(!chan->user)) {
+		chan->user = ioremap(chan->addr, chan->size);
+		if (WARN_ON_ONCE(chan->user == NULL))
+			return;
+	}
+	iowrite32_native(data, chan->user + addr);
+}
+
+void
+nvkm_fifo_channel_destroy(struct nvkm_fifo_chan *chan)
+{
+	struct nvkm_fifo *fifo = (void *)nv_object(chan)->engine;
+	unsigned long flags;
+
+	if (chan->user)
+		iounmap(chan->user);
+
+	spin_lock_irqsave(&fifo->lock, flags);
+	fifo->channel[chan->chid] = NULL;
+	spin_unlock_irqrestore(&fifo->lock, flags);
+
+	nvkm_gpuobj_del(&chan->pushgpu);
+	nvkm_namedb_destroy(&chan->namedb);
+}
+
+void
+_nvkm_fifo_channel_dtor(struct nvkm_object *object)
+{
+	struct nvkm_fifo_chan *chan = (void *)object;
+	nvkm_fifo_channel_destroy(chan);
+}
+
+int
+nvkm_fifo_channel_create_(struct nvkm_object *parent,
+			  struct nvkm_object *engine,
+			  struct nvkm_oclass *oclass,
+			  int bar, u32 addr, u32 size, u64 pushbuf,
+			  u64 engmask, int len, void **ptr)
+{
+	struct nvkm_client *client = nvkm_client(parent);
+	struct nvkm_fifo *fifo = (void *)engine;
+	struct nvkm_fifo_base *base = (void *)parent;
+	struct nvkm_fifo_chan *chan;
+	struct nvkm_subdev *subdev = &fifo->engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	struct nvkm_dmaobj *dmaobj;
+	unsigned long flags;
+	int ret;
+
+	/* create base object class */
+	ret = nvkm_namedb_create_(parent, engine, oclass, 0, NULL,
+				  engmask, len, ptr);
+	chan = *ptr;
+	if (ret)
+		return ret;
+
+	/* validate dma object representing push buffer */
+	if (pushbuf) {
+		dmaobj = nvkm_dma_search(device->dma, client, pushbuf);
+		if (!dmaobj)
+			return -ENOENT;
+
+		ret = nvkm_object_bind(&dmaobj->object, &base->gpuobj, 16,
+				       &chan->pushgpu);
+		if (ret)
+			return ret;
+	}
+
+	/* find a free fifo channel */
+	spin_lock_irqsave(&fifo->lock, flags);
+	for (chan->chid = fifo->min; chan->chid < fifo->max; chan->chid++) {
+		if (!fifo->channel[chan->chid]) {
+			fifo->channel[chan->chid] = nv_object(chan);
+			break;
+		}
+	}
+	spin_unlock_irqrestore(&fifo->lock, flags);
+
+	if (chan->chid == fifo->max) {
+		nvkm_error(subdev, "no free channels\n");
+		return -ENOSPC;
+	}
+
+	chan->addr = nv_device_resource_start(device, bar) +
+		     addr + size * chan->chid;
+	chan->size = size;
+	nvkm_event_send(&fifo->cevent, 1, 0, NULL, 0);
+	return 0;
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h
new file mode 100644
index 000000000000..63209bc8856b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h
@@ -0,0 +1,28 @@
+#ifndef __NVKM_FIFO_CHAN_H__
+#define __NVKM_FIFO_CHAN_H__
+#include "priv.h"
+
+#define nvkm_fifo_channel_create(p,e,c,b,a,s,n,m,d)                         \
+	nvkm_fifo_channel_create_((p), (e), (c), (b), (a), (s), (n),        \
+				     (m), sizeof(**d), (void **)d)
+#define nvkm_fifo_channel_init(p)                                           \
+	nvkm_namedb_init(&(p)->namedb)
+#define nvkm_fifo_channel_fini(p,s)                                         \
+	nvkm_namedb_fini(&(p)->namedb, (s))
+
+int  nvkm_fifo_channel_create_(struct nvkm_object *,
+				  struct nvkm_object *,
+				  struct nvkm_oclass *,
+				  int bar, u32 addr, u32 size, u64 push,
+				  u64 engmask, int len, void **);
+void nvkm_fifo_channel_destroy(struct nvkm_fifo_chan *);
+
+#define _nvkm_fifo_channel_init _nvkm_namedb_init
+#define _nvkm_fifo_channel_fini _nvkm_namedb_fini
+
+void _nvkm_fifo_channel_dtor(struct nvkm_object *);
+int  _nvkm_fifo_channel_map(struct nvkm_object *, u64 *, u32 *);
+u32  _nvkm_fifo_channel_rd32(struct nvkm_object *, u64);
+void _nvkm_fifo_channel_wr32(struct nvkm_object *, u64, u32);
+int  _nvkm_fifo_channel_ntfy(struct nvkm_object *, u32, struct nvkm_event **);
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c
new file mode 100644
index 000000000000..f2b4a96f8794
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c
@@ -0,0 +1,231 @@
+/*
+ * 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 "channv50.h"
+
+#include <core/client.h>
+#include <core/ramht.h>
+#include <subdev/timer.h>
+
+int
+g84_fifo_context_detach(struct nvkm_object *parent, bool suspend,
+			struct nvkm_object *object)
+{
+	struct nv50_fifo *fifo = (void *)parent->engine;
+	struct nv50_fifo_base *base = (void *)parent->parent;
+	struct nv50_fifo_chan *chan = (void *)parent;
+	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	u32 addr, save, engn;
+	bool done;
+
+	switch (nv_engidx(object->engine)) {
+	case NVDEV_ENGINE_SW    : return 0;
+	case NVDEV_ENGINE_GR    : engn = 0; addr = 0x0020; break;
+	case NVDEV_ENGINE_VP    :
+	case NVDEV_ENGINE_MSPDEC: engn = 3; addr = 0x0040; break;
+	case NVDEV_ENGINE_MSPPP :
+	case NVDEV_ENGINE_MPEG  : engn = 1; addr = 0x0060; break;
+	case NVDEV_ENGINE_BSP   :
+	case NVDEV_ENGINE_MSVLD : engn = 5; addr = 0x0080; break;
+	case NVDEV_ENGINE_CIPHER:
+	case NVDEV_ENGINE_SEC   : engn = 4; addr = 0x00a0; break;
+	case NVDEV_ENGINE_CE0   : engn = 2; addr = 0x00c0; break;
+	default:
+		return -EINVAL;
+	}
+
+	save = nvkm_mask(device, 0x002520, 0x0000003f, 1 << engn);
+	nvkm_wr32(device, 0x0032fc, nv_gpuobj(base)->addr >> 12);
+	done = nvkm_msec(device, 2000,
+		if (nvkm_rd32(device, 0x0032fc) != 0xffffffff)
+			break;
+	) >= 0;
+	nvkm_wr32(device, 0x002520, save);
+	if (!done) {
+		nvkm_error(subdev, "channel %d [%s] unload timeout\n",
+			   chan->base.chid, nvkm_client_name(chan));
+		if (suspend)
+			return -EBUSY;
+	}
+
+	nvkm_kmap(base->eng);
+	nvkm_wo32(base->eng, addr + 0x00, 0x00000000);
+	nvkm_wo32(base->eng, addr + 0x04, 0x00000000);
+	nvkm_wo32(base->eng, addr + 0x08, 0x00000000);
+	nvkm_wo32(base->eng, addr + 0x0c, 0x00000000);
+	nvkm_wo32(base->eng, addr + 0x10, 0x00000000);
+	nvkm_wo32(base->eng, addr + 0x14, 0x00000000);
+	nvkm_done(base->eng);
+	return 0;
+}
+
+
+int
+g84_fifo_context_attach(struct nvkm_object *parent, struct nvkm_object *object)
+{
+	struct nv50_fifo_base *base = (void *)parent->parent;
+	struct nvkm_gpuobj *ectx = (void *)object;
+	u64 limit = ectx->addr + ectx->size - 1;
+	u64 start = ectx->addr;
+	u32 addr;
+
+	switch (nv_engidx(object->engine)) {
+	case NVDEV_ENGINE_SW    : return 0;
+	case NVDEV_ENGINE_GR    : addr = 0x0020; break;
+	case NVDEV_ENGINE_VP    :
+	case NVDEV_ENGINE_MSPDEC: addr = 0x0040; break;
+	case NVDEV_ENGINE_MSPPP :
+	case NVDEV_ENGINE_MPEG  : addr = 0x0060; break;
+	case NVDEV_ENGINE_BSP   :
+	case NVDEV_ENGINE_MSVLD : addr = 0x0080; break;
+	case NVDEV_ENGINE_CIPHER:
+	case NVDEV_ENGINE_SEC   : addr = 0x00a0; break;
+	case NVDEV_ENGINE_CE0   : addr = 0x00c0; break;
+	default:
+		return -EINVAL;
+	}
+
+	nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
+	nvkm_kmap(base->eng);
+	nvkm_wo32(base->eng, addr + 0x00, 0x00190000);
+	nvkm_wo32(base->eng, addr + 0x04, lower_32_bits(limit));
+	nvkm_wo32(base->eng, addr + 0x08, lower_32_bits(start));
+	nvkm_wo32(base->eng, addr + 0x0c, upper_32_bits(limit) << 24 |
+					  upper_32_bits(start));
+	nvkm_wo32(base->eng, addr + 0x10, 0x00000000);
+	nvkm_wo32(base->eng, addr + 0x14, 0x00000000);
+	nvkm_done(base->eng);
+	return 0;
+}
+
+int
+g84_fifo_object_attach(struct nvkm_object *parent,
+		       struct nvkm_object *object, u32 handle)
+{
+	struct nv50_fifo_chan *chan = (void *)parent;
+	u32 context;
+
+	if (nv_iclass(object, NV_GPUOBJ_CLASS))
+		context = nv_gpuobj(object)->node->offset >> 4;
+	else
+		context = 0x00000004; /* just non-zero */
+
+	if (object->engine) {
+		switch (nv_engidx(object->engine)) {
+		case NVDEV_ENGINE_DMAOBJ:
+		case NVDEV_ENGINE_SW    : context |= 0x00000000; break;
+		case NVDEV_ENGINE_GR    : context |= 0x00100000; break;
+		case NVDEV_ENGINE_MPEG  :
+		case NVDEV_ENGINE_MSPPP : context |= 0x00200000; break;
+		case NVDEV_ENGINE_ME    :
+		case NVDEV_ENGINE_CE0   : context |= 0x00300000; break;
+		case NVDEV_ENGINE_VP    :
+		case NVDEV_ENGINE_MSPDEC: context |= 0x00400000; break;
+		case NVDEV_ENGINE_CIPHER:
+		case NVDEV_ENGINE_SEC   :
+		case NVDEV_ENGINE_VIC   : context |= 0x00500000; break;
+		case NVDEV_ENGINE_BSP   :
+		case NVDEV_ENGINE_MSVLD : context |= 0x00600000; break;
+		default:
+			return -EINVAL;
+		}
+	}
+
+	return nvkm_ramht_insert(chan->ramht, NULL, 0, 0, handle, context);
+}
+
+int
+g84_fifo_chan_init(struct nvkm_object *object)
+{
+	struct nv50_fifo *fifo = (void *)object->engine;
+	struct nv50_fifo_base *base = (void *)object->parent;
+	struct nv50_fifo_chan *chan = (void *)object;
+	struct nvkm_gpuobj *ramfc = base->ramfc;
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	u32 chid = chan->base.chid;
+	int ret;
+
+	ret = nvkm_fifo_channel_init(&chan->base);
+	if (ret)
+		return ret;
+
+	nvkm_wr32(device, 0x002600 + (chid * 4), 0x80000000 | ramfc->addr >> 8);
+	nv50_fifo_runlist_update(fifo);
+	return 0;
+}
+
+static int
+g84_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+		      struct nvkm_oclass *oclass, void *data, u32 size,
+		      struct nvkm_object **pobject)
+{
+	struct nvkm_device *device = nv_engine(engine)->subdev.device;
+	struct nv50_fifo_base *base;
+	int ret;
+
+	ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x10000,
+				       0x1000, NVOBJ_FLAG_HEAP, &base);
+	*pobject = nv_object(base);
+	if (ret)
+		return ret;
+
+	ret = nvkm_gpuobj_new(device, 0x0200, 0, true, &base->base.gpuobj,
+			      &base->eng);
+	if (ret)
+		return ret;
+
+	ret = nvkm_gpuobj_new(device, 0x4000, 0, false, &base->base.gpuobj,
+			      &base->pgd);
+	if (ret)
+		return ret;
+
+	ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd);
+	if (ret)
+		return ret;
+
+	ret = nvkm_gpuobj_new(device, 0x1000, 0x400, true, &base->base.gpuobj,
+			      &base->cache);
+	if (ret)
+		return ret;
+
+	ret = nvkm_gpuobj_new(device, 0x100, 0x100, true, &base->base.gpuobj,
+			      &base->ramfc);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+struct nvkm_oclass
+g84_fifo_cclass = {
+	.handle = NV_ENGCTX(FIFO, 0x84),
+	.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = g84_fifo_context_ctor,
+		.dtor = nv50_fifo_context_dtor,
+		.init = _nvkm_fifo_context_init,
+		.fini = _nvkm_fifo_context_fini,
+		.rd32 = _nvkm_fifo_context_rd32,
+		.wr32 = _nvkm_fifo_context_wr32,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h
new file mode 100644
index 000000000000..99324222dade
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h
@@ -0,0 +1,23 @@
+#ifndef __GF100_FIFO_CHAN_H__
+#define __GF100_FIFO_CHAN_H__
+#include "chan.h"
+#include "gf100.h"
+
+struct gf100_fifo_base {
+	struct nvkm_fifo_base base;
+	struct nvkm_gpuobj *pgd;
+	struct nvkm_vm *vm;
+};
+
+struct gf100_fifo_chan {
+	struct nvkm_fifo_chan base;
+	enum {
+		STOPPED,
+		RUNNING,
+		KILLED
+	} state;
+};
+
+extern struct nvkm_oclass gf100_fifo_cclass;
+extern struct nvkm_oclass gf100_fifo_sclass[];
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h
new file mode 100644
index 000000000000..3490cb6d8bd3
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h
@@ -0,0 +1,27 @@
+#ifndef __GK104_FIFO_CHAN_H__
+#define __GK104_FIFO_CHAN_H__
+#include "chan.h"
+#include "gk104.h"
+
+struct gk104_fifo_base {
+	struct nvkm_fifo_base base;
+	struct nvkm_gpuobj *pgd;
+	struct nvkm_vm *vm;
+};
+
+struct gk104_fifo_chan {
+	struct nvkm_fifo_chan base;
+	u32 engine;
+	enum {
+		STOPPED,
+		RUNNING,
+		KILLED
+	} state;
+};
+
+extern struct nvkm_oclass gk104_fifo_cclass;
+extern struct nvkm_oclass gk104_fifo_sclass[];
+extern struct nvkm_ofuncs gk104_fifo_chan_ofuncs;
+
+extern struct nvkm_oclass gm204_fifo_sclass[];
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h
new file mode 100644
index 000000000000..028212df41bc
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h
@@ -0,0 +1,24 @@
+#ifndef __NV04_FIFO_CHAN_H__
+#define __NV04_FIFO_CHAN_H__
+#include "chan.h"
+#include "nv04.h"
+
+struct nv04_fifo_chan {
+	struct nvkm_fifo_chan base;
+	u32 subc[8];
+	u32 ramfc;
+};
+
+int  nv04_fifo_object_attach(struct nvkm_object *, struct nvkm_object *, u32);
+void nv04_fifo_object_detach(struct nvkm_object *, int);
+
+void nv04_fifo_chan_dtor(struct nvkm_object *);
+int  nv04_fifo_chan_init(struct nvkm_object *);
+int  nv04_fifo_chan_fini(struct nvkm_object *, bool suspend);
+
+extern struct nvkm_oclass nv04_fifo_cclass;
+extern struct nvkm_oclass nv04_fifo_sclass[];
+extern struct nvkm_oclass nv10_fifo_sclass[];
+extern struct nvkm_oclass nv17_fifo_sclass[];
+extern struct nvkm_oclass nv40_fifo_sclass[];
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.c
new file mode 100644
index 000000000000..aeaba7b9bcae
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.c
@@ -0,0 +1,259 @@
+/*
+ * 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 "channv50.h"
+
+#include <core/client.h>
+#include <core/ramht.h>
+#include <subdev/timer.h>
+
+int
+nv50_fifo_context_detach(struct nvkm_object *parent, bool suspend,
+			 struct nvkm_object *object)
+{
+	struct nv50_fifo *fifo = (void *)parent->engine;
+	struct nv50_fifo_base *base = (void *)parent->parent;
+	struct nv50_fifo_chan *chan = (void *)parent;
+	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	u32 addr, me;
+	int ret = 0;
+
+	switch (nv_engidx(object->engine)) {
+	case NVDEV_ENGINE_SW   : return 0;
+	case NVDEV_ENGINE_GR   : addr = 0x0000; break;
+	case NVDEV_ENGINE_MPEG : addr = 0x0060; break;
+	default:
+		return -EINVAL;
+	}
+
+	/* HW bug workaround:
+	 *
+	 * PFIFO will hang forever if the connected engines don't report
+	 * that they've processed the context switch request.
+	 *
+	 * In order for the kickoff to work, we need to ensure all the
+	 * connected engines are in a state where they can answer.
+	 *
+	 * Newer chipsets don't seem to suffer from this issue, and well,
+	 * there's also a "ignore these engines" bitmask reg we can use
+	 * if we hit the issue there..
+	 */
+	me = nvkm_mask(device, 0x00b860, 0x00000001, 0x00000001);
+
+	/* do the kickoff... */
+	nvkm_wr32(device, 0x0032fc, nv_gpuobj(base)->addr >> 12);
+	if (nvkm_msec(device, 2000,
+		if (nvkm_rd32(device, 0x0032fc) != 0xffffffff)
+			break;
+	) < 0) {
+		nvkm_error(subdev, "channel %d [%s] unload timeout\n",
+			   chan->base.chid, nvkm_client_name(chan));
+		if (suspend)
+			ret = -EBUSY;
+	}
+	nvkm_wr32(device, 0x00b860, me);
+
+	if (ret == 0) {
+		nvkm_kmap(base->eng);
+		nvkm_wo32(base->eng, addr + 0x00, 0x00000000);
+		nvkm_wo32(base->eng, addr + 0x04, 0x00000000);
+		nvkm_wo32(base->eng, addr + 0x08, 0x00000000);
+		nvkm_wo32(base->eng, addr + 0x0c, 0x00000000);
+		nvkm_wo32(base->eng, addr + 0x10, 0x00000000);
+		nvkm_wo32(base->eng, addr + 0x14, 0x00000000);
+		nvkm_done(base->eng);
+	}
+
+	return ret;
+}
+
+int
+nv50_fifo_context_attach(struct nvkm_object *parent, struct nvkm_object *object)
+{
+	struct nv50_fifo_base *base = (void *)parent->parent;
+	struct nvkm_gpuobj *ectx = (void *)object;
+	u64 limit = ectx->addr + ectx->size - 1;
+	u64 start = ectx->addr;
+	u32 addr;
+
+	switch (nv_engidx(object->engine)) {
+	case NVDEV_ENGINE_SW   : return 0;
+	case NVDEV_ENGINE_GR   : addr = 0x0000; break;
+	case NVDEV_ENGINE_MPEG : addr = 0x0060; break;
+	default:
+		return -EINVAL;
+	}
+
+	nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
+
+	nvkm_kmap(base->eng);
+	nvkm_wo32(base->eng, addr + 0x00, 0x00190000);
+	nvkm_wo32(base->eng, addr + 0x04, lower_32_bits(limit));
+	nvkm_wo32(base->eng, addr + 0x08, lower_32_bits(start));
+	nvkm_wo32(base->eng, addr + 0x0c, upper_32_bits(limit) << 24 |
+					  upper_32_bits(start));
+	nvkm_wo32(base->eng, addr + 0x10, 0x00000000);
+	nvkm_wo32(base->eng, addr + 0x14, 0x00000000);
+	nvkm_done(base->eng);
+	return 0;
+}
+
+void
+nv50_fifo_object_detach(struct nvkm_object *parent, int cookie)
+{
+	struct nv50_fifo_chan *chan = (void *)parent;
+	nvkm_ramht_remove(chan->ramht, cookie);
+}
+
+int
+nv50_fifo_object_attach(struct nvkm_object *parent,
+			struct nvkm_object *object, u32 handle)
+{
+	struct nv50_fifo_chan *chan = (void *)parent;
+	u32 context;
+
+	if (nv_iclass(object, NV_GPUOBJ_CLASS))
+		context = nv_gpuobj(object)->node->offset >> 4;
+	else
+		context = 0x00000004; /* just non-zero */
+
+	if (object->engine) {
+		switch (nv_engidx(object->engine)) {
+		case NVDEV_ENGINE_DMAOBJ:
+		case NVDEV_ENGINE_SW    : context |= 0x00000000; break;
+		case NVDEV_ENGINE_GR    : context |= 0x00100000; break;
+		case NVDEV_ENGINE_MPEG  : context |= 0x00200000; break;
+		default:
+			return -EINVAL;
+		}
+	}
+
+	return nvkm_ramht_insert(chan->ramht, NULL, 0, 0, handle, context);
+}
+
+int
+nv50_fifo_chan_fini(struct nvkm_object *object, bool suspend)
+{
+	struct nv50_fifo *fifo = (void *)object->engine;
+	struct nv50_fifo_chan *chan = (void *)object;
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	u32 chid = chan->base.chid;
+
+	/* remove channel from runlist, fifo will unload context */
+	nvkm_mask(device, 0x002600 + (chid * 4), 0x80000000, 0x00000000);
+	nv50_fifo_runlist_update(fifo);
+	nvkm_wr32(device, 0x002600 + (chid * 4), 0x00000000);
+
+	return nvkm_fifo_channel_fini(&chan->base, suspend);
+}
+
+int
+nv50_fifo_chan_init(struct nvkm_object *object)
+{
+	struct nv50_fifo *fifo = (void *)object->engine;
+	struct nv50_fifo_base *base = (void *)object->parent;
+	struct nv50_fifo_chan *chan = (void *)object;
+	struct nvkm_gpuobj *ramfc = base->ramfc;
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	u32 chid = chan->base.chid;
+	int ret;
+
+	ret = nvkm_fifo_channel_init(&chan->base);
+	if (ret)
+		return ret;
+
+	nvkm_wr32(device, 0x002600 + (chid * 4), 0x80000000 | ramfc->addr >> 12);
+	nv50_fifo_runlist_update(fifo);
+	return 0;
+}
+
+void
+nv50_fifo_chan_dtor(struct nvkm_object *object)
+{
+	struct nv50_fifo_chan *chan = (void *)object;
+	nvkm_ramht_del(&chan->ramht);
+	nvkm_fifo_channel_destroy(&chan->base);
+}
+
+void
+nv50_fifo_context_dtor(struct nvkm_object *object)
+{
+	struct nv50_fifo_base *base = (void *)object;
+	nvkm_vm_ref(NULL, &base->vm, base->pgd);
+	nvkm_gpuobj_del(&base->pgd);
+	nvkm_gpuobj_del(&base->eng);
+	nvkm_gpuobj_del(&base->ramfc);
+	nvkm_gpuobj_del(&base->cache);
+	nvkm_fifo_context_destroy(&base->base);
+}
+
+static int
+nv50_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+		       struct nvkm_oclass *oclass, void *data, u32 size,
+		       struct nvkm_object **pobject)
+{
+	struct nvkm_device *device = nv_engine(engine)->subdev.device;
+	struct nv50_fifo_base *base;
+	int ret;
+
+	ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x10000,
+				       0x1000, NVOBJ_FLAG_HEAP, &base);
+	*pobject = nv_object(base);
+	if (ret)
+		return ret;
+
+	ret = nvkm_gpuobj_new(device, 0x0200, 0x1000, true, &base->base.gpuobj,
+			      &base->ramfc);
+	if (ret)
+		return ret;
+
+	ret = nvkm_gpuobj_new(device, 0x1200, 0, true, &base->base.gpuobj,
+			      &base->eng);
+	if (ret)
+		return ret;
+
+	ret = nvkm_gpuobj_new(device, 0x4000, 0, false, &base->base.gpuobj,
+			      &base->pgd);
+	if (ret)
+		return ret;
+
+	ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+struct nvkm_oclass
+nv50_fifo_cclass = {
+	.handle = NV_ENGCTX(FIFO, 0x50),
+	.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = nv50_fifo_context_ctor,
+		.dtor = nv50_fifo_context_dtor,
+		.init = _nvkm_fifo_context_init,
+		.fini = _nvkm_fifo_context_fini,
+		.rd32 = _nvkm_fifo_context_rd32,
+		.wr32 = _nvkm_fifo_context_wr32,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h
new file mode 100644
index 000000000000..c4f2f1ff4c9e
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h
@@ -0,0 +1,42 @@
+#ifndef __NV50_FIFO_CHAN_H__
+#define __NV50_FIFO_CHAN_H__
+#include "chan.h"
+#include "nv50.h"
+
+struct nv50_fifo_base {
+	struct nvkm_fifo_base base;
+	struct nvkm_gpuobj *ramfc;
+	struct nvkm_gpuobj *cache;
+	struct nvkm_gpuobj *eng;
+	struct nvkm_gpuobj *pgd;
+	struct nvkm_vm *vm;
+};
+
+struct nv50_fifo_chan {
+	struct nvkm_fifo_chan base;
+	u32 subc[8];
+	struct nvkm_ramht *ramht;
+};
+
+extern struct nvkm_oclass nv50_fifo_cclass;
+extern struct nvkm_oclass nv50_fifo_sclass[];
+void nv50_fifo_context_dtor(struct nvkm_object *);
+void nv50_fifo_chan_dtor(struct nvkm_object *);
+int  nv50_fifo_chan_init(struct nvkm_object *);
+int  nv50_fifo_chan_fini(struct nvkm_object *, bool);
+int  nv50_fifo_context_attach(struct nvkm_object *, struct nvkm_object *);
+int  nv50_fifo_context_detach(struct nvkm_object *, bool,
+			      struct nvkm_object *);
+int  nv50_fifo_object_attach(struct nvkm_object *, struct nvkm_object *, u32);
+void nv50_fifo_object_detach(struct nvkm_object *, int);
+extern struct nvkm_ofuncs nv50_fifo_ofuncs_ind;
+
+extern struct nvkm_oclass g84_fifo_cclass;
+extern struct nvkm_oclass g84_fifo_sclass[];
+int  g84_fifo_chan_init(struct nvkm_object *);
+int  g84_fifo_context_attach(struct nvkm_object *, struct nvkm_object *);
+int  g84_fifo_context_detach(struct nvkm_object *, bool,
+			     struct nvkm_object *);
+int  g84_fifo_object_attach(struct nvkm_object *, struct nvkm_object *, u32);
+extern struct nvkm_ofuncs g84_fifo_ofuncs_ind;
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmag84.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmag84.c
new file mode 100644
index 000000000000..2016a9884b38
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmag84.c
@@ -0,0 +1,127 @@
+/*
+ * 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 "channv50.h"
+
+#include <core/client.h>
+#include <core/ramht.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+static int
+g84_fifo_chan_ctor_dma(struct nvkm_object *parent, struct nvkm_object *engine,
+		       struct nvkm_oclass *oclass, void *data, u32 size,
+		       struct nvkm_object **pobject)
+{
+	union {
+		struct nv50_channel_dma_v0 v0;
+	} *args = data;
+	struct nvkm_device *device = parent->engine->subdev.device;
+	struct nv50_fifo_base *base = (void *)parent;
+	struct nv50_fifo_chan *chan;
+	int ret;
+
+	nvif_ioctl(parent, "create channel dma size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, false)) {
+		nvif_ioctl(parent, "create channel dma vers %d vm %llx "
+				   "pushbuf %llx offset %016llx\n",
+			   args->v0.version, args->v0.vm, args->v0.pushbuf,
+			   args->v0.offset);
+		if (args->v0.vm)
+			return -ENOENT;
+	} else
+		return ret;
+
+	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
+				       0x2000, args->v0.pushbuf,
+				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
+				       (1ULL << NVDEV_ENGINE_SW) |
+				       (1ULL << NVDEV_ENGINE_GR) |
+				       (1ULL << NVDEV_ENGINE_MPEG) |
+				       (1ULL << NVDEV_ENGINE_ME) |
+				       (1ULL << NVDEV_ENGINE_VP) |
+				       (1ULL << NVDEV_ENGINE_CIPHER) |
+				       (1ULL << NVDEV_ENGINE_SEC) |
+				       (1ULL << NVDEV_ENGINE_BSP) |
+				       (1ULL << NVDEV_ENGINE_MSVLD) |
+				       (1ULL << NVDEV_ENGINE_MSPDEC) |
+				       (1ULL << NVDEV_ENGINE_MSPPP) |
+				       (1ULL << NVDEV_ENGINE_CE0) |
+				       (1ULL << NVDEV_ENGINE_VIC), &chan);
+	*pobject = nv_object(chan);
+	if (ret)
+		return ret;
+
+	chan->base.inst = base->base.gpuobj.addr;
+	args->v0.chid = chan->base.chid;
+
+	ret = nvkm_ramht_new(device, 0x8000, 16, &base->base.gpuobj,
+			     &chan->ramht);
+	if (ret)
+		return ret;
+
+	nv_parent(chan)->context_attach = g84_fifo_context_attach;
+	nv_parent(chan)->context_detach = g84_fifo_context_detach;
+	nv_parent(chan)->object_attach = g84_fifo_object_attach;
+	nv_parent(chan)->object_detach = nv50_fifo_object_detach;
+
+	nvkm_kmap(base->ramfc);
+	nvkm_wo32(base->ramfc, 0x08, lower_32_bits(args->v0.offset));
+	nvkm_wo32(base->ramfc, 0x0c, upper_32_bits(args->v0.offset));
+	nvkm_wo32(base->ramfc, 0x10, lower_32_bits(args->v0.offset));
+	nvkm_wo32(base->ramfc, 0x14, upper_32_bits(args->v0.offset));
+	nvkm_wo32(base->ramfc, 0x3c, 0x003f6078);
+	nvkm_wo32(base->ramfc, 0x44, 0x01003fff);
+	nvkm_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4);
+	nvkm_wo32(base->ramfc, 0x4c, 0xffffffff);
+	nvkm_wo32(base->ramfc, 0x60, 0x7fffffff);
+	nvkm_wo32(base->ramfc, 0x78, 0x00000000);
+	nvkm_wo32(base->ramfc, 0x7c, 0x30000001);
+	nvkm_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
+				     (4 << 24) /* SEARCH_FULL */ |
+				     (chan->ramht->gpuobj->node->offset >> 4));
+	nvkm_wo32(base->ramfc, 0x88, base->cache->addr >> 10);
+	nvkm_wo32(base->ramfc, 0x98, nv_gpuobj(base)->addr >> 12);
+	nvkm_done(base->ramfc);
+	return 0;
+}
+
+static struct nvkm_ofuncs
+g84_fifo_ofuncs_dma = {
+	.ctor = g84_fifo_chan_ctor_dma,
+	.dtor = nv50_fifo_chan_dtor,
+	.init = g84_fifo_chan_init,
+	.fini = nv50_fifo_chan_fini,
+	.map  = _nvkm_fifo_channel_map,
+	.rd32 = _nvkm_fifo_channel_rd32,
+	.wr32 = _nvkm_fifo_channel_wr32,
+	.ntfy = _nvkm_fifo_channel_ntfy
+};
+
+struct nvkm_oclass
+g84_fifo_sclass[] = {
+	{ G82_CHANNEL_DMA, &g84_fifo_ofuncs_dma },
+	{ G82_CHANNEL_GPFIFO, &g84_fifo_ofuncs_ind },
+	{}
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
new file mode 100644
index 000000000000..8cc87103a369
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
@@ -0,0 +1,282 @@
+/*
+ * 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 "channv04.h"
+#include "regsnv04.h"
+
+#include <core/client.h>
+#include <core/ramht.h>
+#include <subdev/instmem.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+int
+nv04_fifo_context_attach(struct nvkm_object *parent,
+			 struct nvkm_object *object)
+{
+	nv_engctx(object)->addr = nvkm_fifo_chan(parent)->chid;
+	return 0;
+}
+
+void
+nv04_fifo_object_detach(struct nvkm_object *parent, int cookie)
+{
+	struct nv04_fifo *fifo = (void *)parent->engine;
+	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
+	mutex_lock(&nv_subdev(fifo)->mutex);
+	nvkm_ramht_remove(imem->ramht, cookie);
+	mutex_unlock(&nv_subdev(fifo)->mutex);
+}
+
+int
+nv04_fifo_object_attach(struct nvkm_object *parent,
+			struct nvkm_object *object, u32 handle)
+{
+	struct nv04_fifo *fifo = (void *)parent->engine;
+	struct nv04_fifo_chan *chan = (void *)parent;
+	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
+	u32 context, chid = chan->base.chid;
+	int ret;
+
+	if (nv_iclass(object, NV_GPUOBJ_CLASS))
+		context = nv_gpuobj(object)->addr >> 4;
+	else
+		context = 0x00000004; /* just non-zero */
+
+	if (object->engine) {
+		switch (nv_engidx(object->engine)) {
+		case NVDEV_ENGINE_DMAOBJ:
+		case NVDEV_ENGINE_SW:
+			context |= 0x00000000;
+			break;
+		case NVDEV_ENGINE_GR:
+			context |= 0x00010000;
+			break;
+		case NVDEV_ENGINE_MPEG:
+			context |= 0x00020000;
+			break;
+		default:
+			return -EINVAL;
+		}
+	}
+
+	context |= 0x80000000; /* valid */
+	context |= chid << 24;
+
+	mutex_lock(&nv_subdev(fifo)->mutex);
+	ret = nvkm_ramht_insert(imem->ramht, NULL, chid, 0, handle, context);
+	mutex_unlock(&nv_subdev(fifo)->mutex);
+	return ret;
+}
+
+int
+nv04_fifo_chan_fini(struct nvkm_object *object, bool suspend)
+{
+	struct nv04_fifo *fifo = (void *)object->engine;
+	struct nv04_fifo_chan *chan = (void *)object;
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	struct nvkm_memory *fctx = device->imem->ramfc;
+	struct ramfc_desc *c;
+	unsigned long flags;
+	u32 data = chan->ramfc;
+	u32 chid;
+
+	/* prevent fifo context switches */
+	spin_lock_irqsave(&fifo->base.lock, flags);
+	nvkm_wr32(device, NV03_PFIFO_CACHES, 0);
+
+	/* if this channel is active, replace it with a null context */
+	chid = nvkm_rd32(device, NV03_PFIFO_CACHE1_PUSH1) & fifo->base.max;
+	if (chid == chan->base.chid) {
+		nvkm_mask(device, NV04_PFIFO_CACHE1_DMA_PUSH, 0x00000001, 0);
+		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 0);
+		nvkm_mask(device, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0);
+
+		c = fifo->ramfc_desc;
+		do {
+			u32 rm = ((1ULL << c->bits) - 1) << c->regs;
+			u32 cm = ((1ULL << c->bits) - 1) << c->ctxs;
+			u32 rv = (nvkm_rd32(device, c->regp) &  rm) >> c->regs;
+			u32 cv = (nvkm_ro32(fctx, c->ctxp + data) & ~cm);
+			nvkm_wo32(fctx, c->ctxp + data, cv | (rv << c->ctxs));
+		} while ((++c)->bits);
+
+		c = fifo->ramfc_desc;
+		do {
+			nvkm_wr32(device, c->regp, 0x00000000);
+		} while ((++c)->bits);
+
+		nvkm_wr32(device, NV03_PFIFO_CACHE1_GET, 0);
+		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUT, 0);
+		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, fifo->base.max);
+		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 1);
+		nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1);
+	}
+
+	/* restore normal operation, after disabling dma mode */
+	nvkm_mask(device, NV04_PFIFO_MODE, 1 << chan->base.chid, 0);
+	nvkm_wr32(device, NV03_PFIFO_CACHES, 1);
+	spin_unlock_irqrestore(&fifo->base.lock, flags);
+
+	return nvkm_fifo_channel_fini(&chan->base, suspend);
+}
+
+int
+nv04_fifo_chan_init(struct nvkm_object *object)
+{
+	struct nv04_fifo *fifo = (void *)object->engine;
+	struct nv04_fifo_chan *chan = (void *)object;
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	u32 mask = 1 << chan->base.chid;
+	unsigned long flags;
+	int ret;
+
+	ret = nvkm_fifo_channel_init(&chan->base);
+	if (ret)
+		return ret;
+
+	spin_lock_irqsave(&fifo->base.lock, flags);
+	nvkm_mask(device, NV04_PFIFO_MODE, mask, mask);
+	spin_unlock_irqrestore(&fifo->base.lock, flags);
+	return 0;
+}
+
+void
+nv04_fifo_chan_dtor(struct nvkm_object *object)
+{
+	struct nv04_fifo *fifo = (void *)object->engine;
+	struct nv04_fifo_chan *chan = (void *)object;
+	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
+	struct ramfc_desc *c = fifo->ramfc_desc;
+
+	nvkm_kmap(imem->ramfc);
+	do {
+		nvkm_wo32(imem->ramfc, chan->ramfc + c->ctxp, 0x00000000);
+	} while ((++c)->bits);
+	nvkm_done(imem->ramfc);
+
+	nvkm_fifo_channel_destroy(&chan->base);
+}
+
+static int
+nv04_fifo_chan_ctor(struct nvkm_object *parent,
+		    struct nvkm_object *engine,
+		    struct nvkm_oclass *oclass, void *data, u32 size,
+		    struct nvkm_object **pobject)
+{
+	union {
+		struct nv03_channel_dma_v0 v0;
+	} *args = data;
+	struct nv04_fifo *fifo = (void *)engine;
+	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
+	struct nv04_fifo_chan *chan;
+	int ret;
+
+	nvif_ioctl(parent, "create channel dma size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, false)) {
+		nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
+				   "offset %08x\n", args->v0.version,
+			   args->v0.pushbuf, args->v0.offset);
+	} else
+		return ret;
+
+	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0x800000,
+				       0x10000, args->v0.pushbuf,
+				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
+				       (1ULL << NVDEV_ENGINE_SW) |
+				       (1ULL << NVDEV_ENGINE_GR), &chan);
+	*pobject = nv_object(chan);
+	if (ret)
+		return ret;
+
+	args->v0.chid = chan->base.chid;
+
+	nv_parent(chan)->object_attach = nv04_fifo_object_attach;
+	nv_parent(chan)->object_detach = nv04_fifo_object_detach;
+	nv_parent(chan)->context_attach = nv04_fifo_context_attach;
+	chan->ramfc = chan->base.chid * 32;
+
+	nvkm_kmap(imem->ramfc);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x00, args->v0.offset);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x04, args->v0.offset);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x08, chan->base.pushgpu->addr >> 4);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x10,
+			       NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
+			       NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
+#ifdef __BIG_ENDIAN
+			       NV_PFIFO_CACHE1_BIG_ENDIAN |
+#endif
+			       NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
+	nvkm_done(imem->ramfc);
+	return 0;
+}
+
+static struct nvkm_ofuncs
+nv04_fifo_ofuncs = {
+	.ctor = nv04_fifo_chan_ctor,
+	.dtor = nv04_fifo_chan_dtor,
+	.init = nv04_fifo_chan_init,
+	.fini = nv04_fifo_chan_fini,
+	.map  = _nvkm_fifo_channel_map,
+	.rd32 = _nvkm_fifo_channel_rd32,
+	.wr32 = _nvkm_fifo_channel_wr32,
+	.ntfy = _nvkm_fifo_channel_ntfy
+};
+
+struct nvkm_oclass
+nv04_fifo_sclass[] = {
+	{ NV03_CHANNEL_DMA, &nv04_fifo_ofuncs },
+	{}
+};
+
+int
+nv04_fifo_context_ctor(struct nvkm_object *parent,
+		       struct nvkm_object *engine,
+		       struct nvkm_oclass *oclass, void *data, u32 size,
+		       struct nvkm_object **pobject)
+{
+	struct nv04_fifo_base *base;
+	int ret;
+
+	ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x1000,
+				       0x1000, NVOBJ_FLAG_HEAP, &base);
+	*pobject = nv_object(base);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+struct nvkm_oclass
+nv04_fifo_cclass = {
+	.handle = NV_ENGCTX(FIFO, 0x04),
+	.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = nv04_fifo_context_ctor,
+		.dtor = _nvkm_fifo_context_dtor,
+		.init = _nvkm_fifo_context_init,
+		.fini = _nvkm_fifo_context_fini,
+		.rd32 = _nvkm_fifo_context_rd32,
+		.wr32 = _nvkm_fifo_context_wr32,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv10.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv10.c
new file mode 100644
index 000000000000..a542515e63f0
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv10.c
@@ -0,0 +1,102 @@
+/*
+ * 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 "channv04.h"
+#include "regsnv04.h"
+
+#include <core/client.h>
+#include <subdev/instmem.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+static int
+nv10_fifo_chan_ctor(struct nvkm_object *parent,
+		    struct nvkm_object *engine,
+		    struct nvkm_oclass *oclass, void *data, u32 size,
+		    struct nvkm_object **pobject)
+{
+	union {
+		struct nv03_channel_dma_v0 v0;
+	} *args = data;
+	struct nv04_fifo *fifo = (void *)engine;
+	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
+	struct nv04_fifo_chan *chan;
+	int ret;
+
+	nvif_ioctl(parent, "create channel dma size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, false)) {
+		nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
+				   "offset %08x\n", args->v0.version,
+			   args->v0.pushbuf, args->v0.offset);
+	} else
+		return ret;
+
+	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0x800000,
+				       0x10000, args->v0.pushbuf,
+				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
+				       (1ULL << NVDEV_ENGINE_SW) |
+				       (1ULL << NVDEV_ENGINE_GR), &chan);
+	*pobject = nv_object(chan);
+	if (ret)
+		return ret;
+
+	args->v0.chid = chan->base.chid;
+
+	nv_parent(chan)->object_attach = nv04_fifo_object_attach;
+	nv_parent(chan)->object_detach = nv04_fifo_object_detach;
+	nv_parent(chan)->context_attach = nv04_fifo_context_attach;
+	chan->ramfc = chan->base.chid * 32;
+
+	nvkm_kmap(imem->ramfc);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x00, args->v0.offset);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x04, args->v0.offset);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x0c, chan->base.pushgpu->addr >> 4);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x14,
+			       NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
+			       NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
+#ifdef __BIG_ENDIAN
+			       NV_PFIFO_CACHE1_BIG_ENDIAN |
+#endif
+			       NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
+	nvkm_done(imem->ramfc);
+	return 0;
+}
+
+static struct nvkm_ofuncs
+nv10_fifo_ofuncs = {
+	.ctor = nv10_fifo_chan_ctor,
+	.dtor = nv04_fifo_chan_dtor,
+	.init = nv04_fifo_chan_init,
+	.fini = nv04_fifo_chan_fini,
+	.map  = _nvkm_fifo_channel_map,
+	.rd32 = _nvkm_fifo_channel_rd32,
+	.wr32 = _nvkm_fifo_channel_wr32,
+	.ntfy = _nvkm_fifo_channel_ntfy
+};
+
+struct nvkm_oclass
+nv10_fifo_sclass[] = {
+	{ NV10_CHANNEL_DMA, &nv10_fifo_ofuncs },
+	{}
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv17.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv17.c
new file mode 100644
index 000000000000..d0ece53a750b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv17.c
@@ -0,0 +1,104 @@
+/*
+ * 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 "channv04.h"
+#include "regsnv04.h"
+
+#include <core/client.h>
+#include <subdev/instmem.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+static int
+nv17_fifo_chan_ctor(struct nvkm_object *parent,
+		    struct nvkm_object *engine,
+		    struct nvkm_oclass *oclass, void *data, u32 size,
+		    struct nvkm_object **pobject)
+{
+	union {
+		struct nv03_channel_dma_v0 v0;
+	} *args = data;
+	struct nv04_fifo *fifo = (void *)engine;
+	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
+	struct nv04_fifo_chan *chan;
+	int ret;
+
+	nvif_ioctl(parent, "create channel dma size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, false)) {
+		nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
+				   "offset %08x\n", args->v0.version,
+			   args->v0.pushbuf, args->v0.offset);
+	} else
+		return ret;
+
+	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0x800000,
+				       0x10000, args->v0.pushbuf,
+				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
+				       (1ULL << NVDEV_ENGINE_SW) |
+				       (1ULL << NVDEV_ENGINE_GR) |
+				       (1ULL << NVDEV_ENGINE_MPEG), /* NV31- */
+				       &chan);
+	*pobject = nv_object(chan);
+	if (ret)
+		return ret;
+
+	args->v0.chid = chan->base.chid;
+
+	nv_parent(chan)->object_attach = nv04_fifo_object_attach;
+	nv_parent(chan)->object_detach = nv04_fifo_object_detach;
+	nv_parent(chan)->context_attach = nv04_fifo_context_attach;
+	chan->ramfc = chan->base.chid * 64;
+
+	nvkm_kmap(imem->ramfc);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x00, args->v0.offset);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x04, args->v0.offset);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x0c, chan->base.pushgpu->addr >> 4);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x14,
+			       NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
+			       NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
+#ifdef __BIG_ENDIAN
+			       NV_PFIFO_CACHE1_BIG_ENDIAN |
+#endif
+			       NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
+	nvkm_done(imem->ramfc);
+	return 0;
+}
+
+static struct nvkm_ofuncs
+nv17_fifo_ofuncs = {
+	.ctor = nv17_fifo_chan_ctor,
+	.dtor = nv04_fifo_chan_dtor,
+	.init = nv04_fifo_chan_init,
+	.fini = nv04_fifo_chan_fini,
+	.map  = _nvkm_fifo_channel_map,
+	.rd32 = _nvkm_fifo_channel_rd32,
+	.wr32 = _nvkm_fifo_channel_wr32,
+	.ntfy = _nvkm_fifo_channel_ntfy
+};
+
+struct nvkm_oclass
+nv17_fifo_sclass[] = {
+	{ NV17_CHANNEL_DMA, &nv17_fifo_ofuncs },
+	{}
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c
new file mode 100644
index 000000000000..cd3503cb6837
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c
@@ -0,0 +1,225 @@
+/*
+ * 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 "channv04.h"
+#include "regsnv04.h"
+
+#include <core/client.h>
+#include <core/ramht.h>
+#include <subdev/instmem.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+static int
+nv40_fifo_context_detach(struct nvkm_object *parent, bool suspend,
+			 struct nvkm_object *engctx)
+{
+	struct nv04_fifo *fifo = (void *)parent->engine;
+	struct nv04_fifo_chan *chan = (void *)parent;
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	struct nvkm_instmem *imem = device->imem;
+	unsigned long flags;
+	u32 reg, ctx;
+
+	switch (nv_engidx(engctx->engine)) {
+	case NVDEV_ENGINE_SW:
+		return 0;
+	case NVDEV_ENGINE_GR:
+		reg = 0x32e0;
+		ctx = 0x38;
+		break;
+	case NVDEV_ENGINE_MPEG:
+		reg = 0x330c;
+		ctx = 0x54;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	spin_lock_irqsave(&fifo->base.lock, flags);
+	nvkm_mask(device, 0x002500, 0x00000001, 0x00000000);
+
+	if ((nvkm_rd32(device, 0x003204) & fifo->base.max) == chan->base.chid)
+		nvkm_wr32(device, reg, 0x00000000);
+	nvkm_kmap(imem->ramfc);
+	nvkm_wo32(imem->ramfc, chan->ramfc + ctx, 0x00000000);
+	nvkm_done(imem->ramfc);
+
+	nvkm_mask(device, 0x002500, 0x00000001, 0x00000001);
+	spin_unlock_irqrestore(&fifo->base.lock, flags);
+	return 0;
+}
+
+static int
+nv40_fifo_context_attach(struct nvkm_object *parent, struct nvkm_object *engctx)
+{
+	struct nv04_fifo *fifo = (void *)parent->engine;
+	struct nv04_fifo_chan *chan = (void *)parent;
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	struct nvkm_instmem *imem = device->imem;
+	unsigned long flags;
+	u32 reg, ctx;
+
+	switch (nv_engidx(engctx->engine)) {
+	case NVDEV_ENGINE_SW:
+		return 0;
+	case NVDEV_ENGINE_GR:
+		reg = 0x32e0;
+		ctx = 0x38;
+		break;
+	case NVDEV_ENGINE_MPEG:
+		reg = 0x330c;
+		ctx = 0x54;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	spin_lock_irqsave(&fifo->base.lock, flags);
+	nv_engctx(engctx)->addr = nv_gpuobj(engctx)->addr >> 4;
+	nvkm_mask(device, 0x002500, 0x00000001, 0x00000000);
+
+	if ((nvkm_rd32(device, 0x003204) & fifo->base.max) == chan->base.chid)
+		nvkm_wr32(device, reg, nv_engctx(engctx)->addr);
+	nvkm_kmap(imem->ramfc);
+	nvkm_wo32(imem->ramfc, chan->ramfc + ctx, nv_engctx(engctx)->addr);
+	nvkm_done(imem->ramfc);
+
+	nvkm_mask(device, 0x002500, 0x00000001, 0x00000001);
+	spin_unlock_irqrestore(&fifo->base.lock, flags);
+	return 0;
+}
+
+static int
+nv40_fifo_object_attach(struct nvkm_object *parent,
+			struct nvkm_object *object, u32 handle)
+{
+	struct nv04_fifo *fifo = (void *)parent->engine;
+	struct nv04_fifo_chan *chan = (void *)parent;
+	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
+	u32 context, chid = chan->base.chid;
+	int ret;
+
+	if (nv_iclass(object, NV_GPUOBJ_CLASS))
+		context = nv_gpuobj(object)->addr >> 4;
+	else
+		context = 0x00000004; /* just non-zero */
+
+	if (object->engine) {
+		switch (nv_engidx(object->engine)) {
+		case NVDEV_ENGINE_DMAOBJ:
+		case NVDEV_ENGINE_SW:
+			context |= 0x00000000;
+			break;
+		case NVDEV_ENGINE_GR:
+			context |= 0x00100000;
+			break;
+		case NVDEV_ENGINE_MPEG:
+			context |= 0x00200000;
+			break;
+		default:
+			return -EINVAL;
+		}
+	}
+
+	context |= chid << 23;
+
+	mutex_lock(&nv_subdev(fifo)->mutex);
+	ret = nvkm_ramht_insert(imem->ramht, NULL, chid, 0, handle, context);
+	mutex_unlock(&nv_subdev(fifo)->mutex);
+	return ret;
+}
+
+static int
+nv40_fifo_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+		    struct nvkm_oclass *oclass, void *data, u32 size,
+		    struct nvkm_object **pobject)
+{
+	union {
+		struct nv03_channel_dma_v0 v0;
+	} *args = data;
+	struct nv04_fifo *fifo = (void *)engine;
+	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
+	struct nv04_fifo_chan *chan;
+	int ret;
+
+	nvif_ioctl(parent, "create channel dma size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, false)) {
+		nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
+				   "offset %08x\n", args->v0.version,
+			   args->v0.pushbuf, args->v0.offset);
+	} else
+		return ret;
+
+	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
+				       0x1000, args->v0.pushbuf,
+				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
+				       (1ULL << NVDEV_ENGINE_SW) |
+				       (1ULL << NVDEV_ENGINE_GR) |
+				       (1ULL << NVDEV_ENGINE_MPEG), &chan);
+	*pobject = nv_object(chan);
+	if (ret)
+		return ret;
+
+	args->v0.chid = chan->base.chid;
+
+	nv_parent(chan)->context_attach = nv40_fifo_context_attach;
+	nv_parent(chan)->context_detach = nv40_fifo_context_detach;
+	nv_parent(chan)->object_attach = nv40_fifo_object_attach;
+	nv_parent(chan)->object_detach = nv04_fifo_object_detach;
+	chan->ramfc = chan->base.chid * 128;
+
+	nvkm_kmap(imem->ramfc);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x00, args->v0.offset);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x04, args->v0.offset);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x0c, chan->base.pushgpu->addr >> 4);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x18, 0x30000000 |
+			       NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
+			       NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
+#ifdef __BIG_ENDIAN
+			       NV_PFIFO_CACHE1_BIG_ENDIAN |
+#endif
+			       NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
+	nvkm_wo32(imem->ramfc, chan->ramfc + 0x3c, 0x0001ffff);
+	nvkm_done(imem->ramfc);
+	return 0;
+}
+
+static struct nvkm_ofuncs
+nv40_fifo_ofuncs = {
+	.ctor = nv40_fifo_chan_ctor,
+	.dtor = nv04_fifo_chan_dtor,
+	.init = nv04_fifo_chan_init,
+	.fini = nv04_fifo_chan_fini,
+	.map  = _nvkm_fifo_channel_map,
+	.rd32 = _nvkm_fifo_channel_rd32,
+	.wr32 = _nvkm_fifo_channel_wr32,
+	.ntfy = _nvkm_fifo_channel_ntfy
+};
+
+struct nvkm_oclass
+nv40_fifo_sclass[] = {
+	{ NV40_CHANNEL_DMA, &nv40_fifo_ofuncs },
+	{}
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv50.c
new file mode 100644
index 000000000000..11a283099235
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv50.c
@@ -0,0 +1,115 @@
+/*
+ * 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 "channv50.h"
+
+#include <core/client.h>
+#include <core/ramht.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+static int
+nv50_fifo_chan_ctor_dma(struct nvkm_object *parent, struct nvkm_object *engine,
+			struct nvkm_oclass *oclass, void *data, u32 size,
+			struct nvkm_object **pobject)
+{
+	union {
+		struct nv50_channel_dma_v0 v0;
+	} *args = data;
+	struct nvkm_device *device = parent->engine->subdev.device;
+	struct nv50_fifo_base *base = (void *)parent;
+	struct nv50_fifo_chan *chan;
+	int ret;
+
+	nvif_ioctl(parent, "create channel dma size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, false)) {
+		nvif_ioctl(parent, "create channel dma vers %d vm %llx "
+				   "pushbuf %llx offset %016llx\n",
+			   args->v0.version, args->v0.vm, args->v0.pushbuf,
+			   args->v0.offset);
+		if (args->v0.vm)
+			return -ENOENT;
+	} else
+		return ret;
+
+	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
+				       0x2000, args->v0.pushbuf,
+				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
+				       (1ULL << NVDEV_ENGINE_SW) |
+				       (1ULL << NVDEV_ENGINE_GR) |
+				       (1ULL << NVDEV_ENGINE_MPEG), &chan);
+	*pobject = nv_object(chan);
+	if (ret)
+		return ret;
+
+	chan->base.inst = base->base.gpuobj.addr;
+	args->v0.chid = chan->base.chid;
+
+	nv_parent(chan)->context_attach = nv50_fifo_context_attach;
+	nv_parent(chan)->context_detach = nv50_fifo_context_detach;
+	nv_parent(chan)->object_attach = nv50_fifo_object_attach;
+	nv_parent(chan)->object_detach = nv50_fifo_object_detach;
+
+	ret = nvkm_ramht_new(device, 0x8000, 16, &base->base.gpuobj,
+			     &chan->ramht);
+	if (ret)
+		return ret;
+
+	nvkm_kmap(base->ramfc);
+	nvkm_wo32(base->ramfc, 0x08, lower_32_bits(args->v0.offset));
+	nvkm_wo32(base->ramfc, 0x0c, upper_32_bits(args->v0.offset));
+	nvkm_wo32(base->ramfc, 0x10, lower_32_bits(args->v0.offset));
+	nvkm_wo32(base->ramfc, 0x14, upper_32_bits(args->v0.offset));
+	nvkm_wo32(base->ramfc, 0x3c, 0x003f6078);
+	nvkm_wo32(base->ramfc, 0x44, 0x01003fff);
+	nvkm_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4);
+	nvkm_wo32(base->ramfc, 0x4c, 0xffffffff);
+	nvkm_wo32(base->ramfc, 0x60, 0x7fffffff);
+	nvkm_wo32(base->ramfc, 0x78, 0x00000000);
+	nvkm_wo32(base->ramfc, 0x7c, 0x30000001);
+	nvkm_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
+				     (4 << 24) /* SEARCH_FULL */ |
+				     (chan->ramht->gpuobj->node->offset >> 4));
+	nvkm_done(base->ramfc);
+	return 0;
+}
+
+static struct nvkm_ofuncs
+nv50_fifo_ofuncs_dma = {
+	.ctor = nv50_fifo_chan_ctor_dma,
+	.dtor = nv50_fifo_chan_dtor,
+	.init = nv50_fifo_chan_init,
+	.fini = nv50_fifo_chan_fini,
+	.map  = _nvkm_fifo_channel_map,
+	.rd32 = _nvkm_fifo_channel_rd32,
+	.wr32 = _nvkm_fifo_channel_wr32,
+	.ntfy = _nvkm_fifo_channel_ntfy
+};
+
+struct nvkm_oclass
+nv50_fifo_sclass[] = {
+	{ NV50_CHANNEL_DMA, &nv50_fifo_ofuncs_dma },
+	{ NV50_CHANNEL_GPFIFO, &nv50_fifo_ofuncs_ind },
+	{}
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c
index c2ce3fa31f10..ab0ecc423e68 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c
@@ -22,432 +22,22 @@
  * Authors: Ben Skeggs
  */
 #include "nv50.h"
-#include "nv04.h"
-
-#include <core/client.h>
-#include <core/engctx.h>
-#include <core/ramht.h>
-#include <subdev/mmu.h>
-#include <subdev/timer.h>
-
-#include <nvif/class.h>
-#include <nvif/unpack.h>
-
-/*******************************************************************************
- * FIFO channel objects
- ******************************************************************************/
-
-static int
-g84_fifo_context_attach(struct nvkm_object *parent, struct nvkm_object *object)
-{
-	struct nv50_fifo_base *base = (void *)parent->parent;
-	struct nvkm_gpuobj *ectx = (void *)object;
-	u64 limit = ectx->addr + ectx->size - 1;
-	u64 start = ectx->addr;
-	u32 addr;
-
-	switch (nv_engidx(object->engine)) {
-	case NVDEV_ENGINE_SW    : return 0;
-	case NVDEV_ENGINE_GR    : addr = 0x0020; break;
-	case NVDEV_ENGINE_VP    :
-	case NVDEV_ENGINE_MSPDEC: addr = 0x0040; break;
-	case NVDEV_ENGINE_MSPPP :
-	case NVDEV_ENGINE_MPEG  : addr = 0x0060; break;
-	case NVDEV_ENGINE_BSP   :
-	case NVDEV_ENGINE_MSVLD : addr = 0x0080; break;
-	case NVDEV_ENGINE_CIPHER:
-	case NVDEV_ENGINE_SEC   : addr = 0x00a0; break;
-	case NVDEV_ENGINE_CE0   : addr = 0x00c0; break;
-	default:
-		return -EINVAL;
-	}
-
-	nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
-	nvkm_kmap(base->eng);
-	nvkm_wo32(base->eng, addr + 0x00, 0x00190000);
-	nvkm_wo32(base->eng, addr + 0x04, lower_32_bits(limit));
-	nvkm_wo32(base->eng, addr + 0x08, lower_32_bits(start));
-	nvkm_wo32(base->eng, addr + 0x0c, upper_32_bits(limit) << 24 |
-					  upper_32_bits(start));
-	nvkm_wo32(base->eng, addr + 0x10, 0x00000000);
-	nvkm_wo32(base->eng, addr + 0x14, 0x00000000);
-	nvkm_done(base->eng);
-	return 0;
-}
-
-static int
-g84_fifo_context_detach(struct nvkm_object *parent, bool suspend,
-			struct nvkm_object *object)
-{
-	struct nv50_fifo *fifo = (void *)parent->engine;
-	struct nv50_fifo_base *base = (void *)parent->parent;
-	struct nv50_fifo_chan *chan = (void *)parent;
-	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
-	struct nvkm_device *device = subdev->device;
-	u32 addr, save, engn;
-	bool done;
-
-	switch (nv_engidx(object->engine)) {
-	case NVDEV_ENGINE_SW    : return 0;
-	case NVDEV_ENGINE_GR    : engn = 0; addr = 0x0020; break;
-	case NVDEV_ENGINE_VP    :
-	case NVDEV_ENGINE_MSPDEC: engn = 3; addr = 0x0040; break;
-	case NVDEV_ENGINE_MSPPP :
-	case NVDEV_ENGINE_MPEG  : engn = 1; addr = 0x0060; break;
-	case NVDEV_ENGINE_BSP   :
-	case NVDEV_ENGINE_MSVLD : engn = 5; addr = 0x0080; break;
-	case NVDEV_ENGINE_CIPHER:
-	case NVDEV_ENGINE_SEC   : engn = 4; addr = 0x00a0; break;
-	case NVDEV_ENGINE_CE0   : engn = 2; addr = 0x00c0; break;
-	default:
-		return -EINVAL;
-	}
-
-	save = nvkm_mask(device, 0x002520, 0x0000003f, 1 << engn);
-	nvkm_wr32(device, 0x0032fc, nv_gpuobj(base)->addr >> 12);
-	done = nvkm_msec(device, 2000,
-		if (nvkm_rd32(device, 0x0032fc) != 0xffffffff)
-			break;
-	) >= 0;
-	nvkm_wr32(device, 0x002520, save);
-	if (!done) {
-		nvkm_error(subdev, "channel %d [%s] unload timeout\n",
-			   chan->base.chid, nvkm_client_name(chan));
-		if (suspend)
-			return -EBUSY;
-	}
-
-	nvkm_kmap(base->eng);
-	nvkm_wo32(base->eng, addr + 0x00, 0x00000000);
-	nvkm_wo32(base->eng, addr + 0x04, 0x00000000);
-	nvkm_wo32(base->eng, addr + 0x08, 0x00000000);
-	nvkm_wo32(base->eng, addr + 0x0c, 0x00000000);
-	nvkm_wo32(base->eng, addr + 0x10, 0x00000000);
-	nvkm_wo32(base->eng, addr + 0x14, 0x00000000);
-	nvkm_done(base->eng);
-	return 0;
-}
-
-static int
-g84_fifo_object_attach(struct nvkm_object *parent,
-		       struct nvkm_object *object, u32 handle)
-{
-	struct nv50_fifo_chan *chan = (void *)parent;
-	u32 context;
-
-	if (nv_iclass(object, NV_GPUOBJ_CLASS))
-		context = nv_gpuobj(object)->node->offset >> 4;
-	else
-		context = 0x00000004; /* just non-zero */
-
-	if (object->engine) {
-		switch (nv_engidx(object->engine)) {
-		case NVDEV_ENGINE_DMAOBJ:
-		case NVDEV_ENGINE_SW    : context |= 0x00000000; break;
-		case NVDEV_ENGINE_GR    : context |= 0x00100000; break;
-		case NVDEV_ENGINE_MPEG  :
-		case NVDEV_ENGINE_MSPPP : context |= 0x00200000; break;
-		case NVDEV_ENGINE_ME    :
-		case NVDEV_ENGINE_CE0   : context |= 0x00300000; break;
-		case NVDEV_ENGINE_VP    :
-		case NVDEV_ENGINE_MSPDEC: context |= 0x00400000; break;
-		case NVDEV_ENGINE_CIPHER:
-		case NVDEV_ENGINE_SEC   :
-		case NVDEV_ENGINE_VIC   : context |= 0x00500000; break;
-		case NVDEV_ENGINE_BSP   :
-		case NVDEV_ENGINE_MSVLD : context |= 0x00600000; break;
-		default:
-			return -EINVAL;
-		}
-	}
-
-	return nvkm_ramht_insert(chan->ramht, NULL, 0, 0, handle, context);
-}
-
-static int
-g84_fifo_chan_ctor_dma(struct nvkm_object *parent, struct nvkm_object *engine,
-		       struct nvkm_oclass *oclass, void *data, u32 size,
-		       struct nvkm_object **pobject)
-{
-	union {
-		struct nv50_channel_dma_v0 v0;
-	} *args = data;
-	struct nvkm_device *device = parent->engine->subdev.device;
-	struct nv50_fifo_base *base = (void *)parent;
-	struct nv50_fifo_chan *chan;
-	int ret;
-
-	nvif_ioctl(parent, "create channel dma size %d\n", size);
-	if (nvif_unpack(args->v0, 0, 0, false)) {
-		nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
-				   "offset %016llx\n", args->v0.version,
-			   args->v0.pushbuf, args->v0.offset);
-		if (args->v0.vm)
-			return -ENOENT;
-	} else
-		return ret;
-
-	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
-				       0x2000, args->v0.pushbuf,
-				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
-				       (1ULL << NVDEV_ENGINE_SW) |
-				       (1ULL << NVDEV_ENGINE_GR) |
-				       (1ULL << NVDEV_ENGINE_MPEG) |
-				       (1ULL << NVDEV_ENGINE_ME) |
-				       (1ULL << NVDEV_ENGINE_VP) |
-				       (1ULL << NVDEV_ENGINE_CIPHER) |
-				       (1ULL << NVDEV_ENGINE_SEC) |
-				       (1ULL << NVDEV_ENGINE_BSP) |
-				       (1ULL << NVDEV_ENGINE_MSVLD) |
-				       (1ULL << NVDEV_ENGINE_MSPDEC) |
-				       (1ULL << NVDEV_ENGINE_MSPPP) |
-				       (1ULL << NVDEV_ENGINE_CE0) |
-				       (1ULL << NVDEV_ENGINE_VIC), &chan);
-	*pobject = nv_object(chan);
-	if (ret)
-		return ret;
-
-	chan->base.inst = base->base.gpuobj.addr;
-	args->v0.chid = chan->base.chid;
-
-	ret = nvkm_ramht_new(device, 0x8000, 16, &base->base.gpuobj,
-			     &chan->ramht);
-	if (ret)
-		return ret;
-
-	nv_parent(chan)->context_attach = g84_fifo_context_attach;
-	nv_parent(chan)->context_detach = g84_fifo_context_detach;
-	nv_parent(chan)->object_attach = g84_fifo_object_attach;
-	nv_parent(chan)->object_detach = nv50_fifo_object_detach;
-
-	nvkm_kmap(base->ramfc);
-	nvkm_wo32(base->ramfc, 0x08, lower_32_bits(args->v0.offset));
-	nvkm_wo32(base->ramfc, 0x0c, upper_32_bits(args->v0.offset));
-	nvkm_wo32(base->ramfc, 0x10, lower_32_bits(args->v0.offset));
-	nvkm_wo32(base->ramfc, 0x14, upper_32_bits(args->v0.offset));
-	nvkm_wo32(base->ramfc, 0x3c, 0x003f6078);
-	nvkm_wo32(base->ramfc, 0x44, 0x01003fff);
-	nvkm_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4);
-	nvkm_wo32(base->ramfc, 0x4c, 0xffffffff);
-	nvkm_wo32(base->ramfc, 0x60, 0x7fffffff);
-	nvkm_wo32(base->ramfc, 0x78, 0x00000000);
-	nvkm_wo32(base->ramfc, 0x7c, 0x30000001);
-	nvkm_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
-				     (4 << 24) /* SEARCH_FULL */ |
-				     (chan->ramht->gpuobj->node->offset >> 4));
-	nvkm_wo32(base->ramfc, 0x88, base->cache->addr >> 10);
-	nvkm_wo32(base->ramfc, 0x98, nv_gpuobj(base)->addr >> 12);
-	nvkm_done(base->ramfc);
-	return 0;
-}
-
-static int
-g84_fifo_chan_ctor_ind(struct nvkm_object *parent, struct nvkm_object *engine,
-		       struct nvkm_oclass *oclass, void *data, u32 size,
-		       struct nvkm_object **pobject)
-{
-	union {
-		struct nv50_channel_gpfifo_v0 v0;
-	} *args = data;
-	struct nvkm_device *device = parent->engine->subdev.device;
-	struct nv50_fifo_base *base = (void *)parent;
-	struct nv50_fifo_chan *chan;
-	u64 ioffset, ilength;
-	int ret;
-
-	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
-	if (nvif_unpack(args->v0, 0, 0, false)) {
-		nvif_ioctl(parent, "create channel gpfifo vers %d pushbuf %llx "
-				   "ioffset %016llx ilength %08x\n",
-			   args->v0.version, args->v0.pushbuf, args->v0.ioffset,
-			   args->v0.ilength);
-		if (args->v0.vm)
-			return -ENOENT;
-	} else
-		return ret;
-
-	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
-				       0x2000, args->v0.pushbuf,
-				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
-				       (1ULL << NVDEV_ENGINE_SW) |
-				       (1ULL << NVDEV_ENGINE_GR) |
-				       (1ULL << NVDEV_ENGINE_MPEG) |
-				       (1ULL << NVDEV_ENGINE_ME) |
-				       (1ULL << NVDEV_ENGINE_VP) |
-				       (1ULL << NVDEV_ENGINE_CIPHER) |
-				       (1ULL << NVDEV_ENGINE_SEC) |
-				       (1ULL << NVDEV_ENGINE_BSP) |
-				       (1ULL << NVDEV_ENGINE_MSVLD) |
-				       (1ULL << NVDEV_ENGINE_MSPDEC) |
-				       (1ULL << NVDEV_ENGINE_MSPPP) |
-				       (1ULL << NVDEV_ENGINE_CE0) |
-				       (1ULL << NVDEV_ENGINE_VIC), &chan);
-	*pobject = nv_object(chan);
-	if (ret)
-		return ret;
-
-	chan->base.inst = base->base.gpuobj.addr;
-	args->v0.chid = chan->base.chid;
-
-	ret = nvkm_ramht_new(device, 0x8000, 16, &base->base.gpuobj,
-			     &chan->ramht);
-	if (ret)
-		return ret;
-
-	nv_parent(chan)->context_attach = g84_fifo_context_attach;
-	nv_parent(chan)->context_detach = g84_fifo_context_detach;
-	nv_parent(chan)->object_attach = g84_fifo_object_attach;
-	nv_parent(chan)->object_detach = nv50_fifo_object_detach;
-
-	ioffset = args->v0.ioffset;
-	ilength = order_base_2(args->v0.ilength / 8);
-
-	nvkm_kmap(base->ramfc);
-	nvkm_wo32(base->ramfc, 0x3c, 0x403f6078);
-	nvkm_wo32(base->ramfc, 0x44, 0x01003fff);
-	nvkm_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4);
-	nvkm_wo32(base->ramfc, 0x50, lower_32_bits(ioffset));
-	nvkm_wo32(base->ramfc, 0x54, upper_32_bits(ioffset) | (ilength << 16));
-	nvkm_wo32(base->ramfc, 0x60, 0x7fffffff);
-	nvkm_wo32(base->ramfc, 0x78, 0x00000000);
-	nvkm_wo32(base->ramfc, 0x7c, 0x30000001);
-	nvkm_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
-				     (4 << 24) /* SEARCH_FULL */ |
-				     (chan->ramht->gpuobj->node->offset >> 4));
-	nvkm_wo32(base->ramfc, 0x88, base->cache->addr >> 10);
-	nvkm_wo32(base->ramfc, 0x98, nv_gpuobj(base)->addr >> 12);
-	nvkm_done(base->ramfc);
-	return 0;
-}
-
-static int
-g84_fifo_chan_init(struct nvkm_object *object)
-{
-	struct nv50_fifo *fifo = (void *)object->engine;
-	struct nv50_fifo_base *base = (void *)object->parent;
-	struct nv50_fifo_chan *chan = (void *)object;
-	struct nvkm_gpuobj *ramfc = base->ramfc;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	u32 chid = chan->base.chid;
-	int ret;
-
-	ret = nvkm_fifo_channel_init(&chan->base);
-	if (ret)
-		return ret;
-
-	nvkm_wr32(device, 0x002600 + (chid * 4), 0x80000000 | ramfc->addr >> 8);
-	nv50_fifo_playlist_update(fifo);
-	return 0;
-}
-
-static struct nvkm_ofuncs
-g84_fifo_ofuncs_dma = {
-	.ctor = g84_fifo_chan_ctor_dma,
-	.dtor = nv50_fifo_chan_dtor,
-	.init = g84_fifo_chan_init,
-	.fini = nv50_fifo_chan_fini,
-	.map  = _nvkm_fifo_channel_map,
-	.rd32 = _nvkm_fifo_channel_rd32,
-	.wr32 = _nvkm_fifo_channel_wr32,
-	.ntfy = _nvkm_fifo_channel_ntfy
-};
-
-static struct nvkm_ofuncs
-g84_fifo_ofuncs_ind = {
-	.ctor = g84_fifo_chan_ctor_ind,
-	.dtor = nv50_fifo_chan_dtor,
-	.init = g84_fifo_chan_init,
-	.fini = nv50_fifo_chan_fini,
-	.map  = _nvkm_fifo_channel_map,
-	.rd32 = _nvkm_fifo_channel_rd32,
-	.wr32 = _nvkm_fifo_channel_wr32,
-	.ntfy = _nvkm_fifo_channel_ntfy
-};
-
-static struct nvkm_oclass
-g84_fifo_sclass[] = {
-	{ G82_CHANNEL_DMA, &g84_fifo_ofuncs_dma },
-	{ G82_CHANNEL_GPFIFO, &g84_fifo_ofuncs_ind },
-	{}
-};
-
-/*******************************************************************************
- * FIFO context - basically just the instmem reserved for the channel
- ******************************************************************************/
-
-static int
-g84_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-		      struct nvkm_oclass *oclass, void *data, u32 size,
-		      struct nvkm_object **pobject)
-{
-	struct nvkm_device *device = nv_engine(engine)->subdev.device;
-	struct nv50_fifo_base *base;
-	int ret;
-
-	ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x10000,
-				       0x1000, NVOBJ_FLAG_HEAP, &base);
-	*pobject = nv_object(base);
-	if (ret)
-		return ret;
-
-	ret = nvkm_gpuobj_new(device, 0x0200, 0, true, &base->base.gpuobj,
-			      &base->eng);
-	if (ret)
-		return ret;
-
-	ret = nvkm_gpuobj_new(device, 0x4000, 0, false, &base->base.gpuobj,
-			      &base->pgd);
-	if (ret)
-		return ret;
-
-	ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd);
-	if (ret)
-		return ret;
-
-	ret = nvkm_gpuobj_new(device, 0x1000, 0x400, true, &base->base.gpuobj,
-			      &base->cache);
-	if (ret)
-		return ret;
-
-	ret = nvkm_gpuobj_new(device, 0x100, 0x100, true, &base->base.gpuobj,
-			      &base->ramfc);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
-static struct nvkm_oclass
-g84_fifo_cclass = {
-	.handle = NV_ENGCTX(FIFO, 0x84),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = g84_fifo_context_ctor,
-		.dtor = nv50_fifo_context_dtor,
-		.init = _nvkm_fifo_context_init,
-		.fini = _nvkm_fifo_context_fini,
-		.rd32 = _nvkm_fifo_context_rd32,
-		.wr32 = _nvkm_fifo_context_wr32,
-	},
-};
-
-/*******************************************************************************
- * PFIFO engine
- ******************************************************************************/
+#include "channv50.h"
 
 static void
-g84_fifo_uevent_init(struct nvkm_event *event, int type, int index)
+g84_fifo_uevent_fini(struct nvkm_event *event, int type, int index)
 {
 	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
 	struct nvkm_device *device = fifo->engine.subdev.device;
-	nvkm_mask(device, 0x002140, 0x40000000, 0x40000000);
+	nvkm_mask(device, 0x002140, 0x40000000, 0x00000000);
 }
 
 static void
-g84_fifo_uevent_fini(struct nvkm_event *event, int type, int index)
+g84_fifo_uevent_init(struct nvkm_event *event, int type, int index)
 {
 	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
 	struct nvkm_device *device = fifo->engine.subdev.device;
-	nvkm_mask(device, 0x002140, 0x40000000, 0x00000000);
+	nvkm_mask(device, 0x002140, 0x40000000, 0x40000000);
 }
 
 static const struct nvkm_event_func
@@ -472,12 +62,12 @@ g84_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 		return ret;
 
 	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 128 * 4, 0x1000,
-			      false, &fifo->playlist[0]);
+			      false, &fifo->runlist[0]);
 	if (ret)
 		return ret;
 
 	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 128 * 4, 0x1000,
-			      false, &fifo->playlist[1]);
+			      false, &fifo->runlist[1]);
 	if (ret)
 		return ret;
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
index 7f05985ebb37..b88e7c569c0a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
@@ -21,61 +21,41 @@
  *
  * Authors: Ben Skeggs
  */
-#include <engine/fifo.h>
+#include "gf100.h"
+#include "changf100.h"
 
 #include <core/client.h>
-#include <core/engctx.h>
 #include <core/enum.h>
 #include <core/handle.h>
 #include <subdev/bar.h>
-#include <subdev/fb.h>
-#include <subdev/mmu.h>
-#include <subdev/timer.h>
 #include <engine/sw.h>
 
 #include <nvif/class.h>
-#include <nvif/ioctl.h>
-#include <nvif/unpack.h>
-
-struct gf100_fifo {
-	struct nvkm_fifo base;
-
-	struct work_struct fault;
-	u64 mask;
-
-	struct {
-		struct nvkm_memory *mem[2];
-		int active;
-		wait_queue_head_t wait;
-	} runlist;
-
-	struct {
-		struct nvkm_memory *mem;
-		struct nvkm_vma bar;
-	} user;
-	int spoon_nr;
-};
 
-struct gf100_fifo_base {
-	struct nvkm_fifo_base base;
-	struct nvkm_gpuobj *pgd;
-	struct nvkm_vm *vm;
-};
+static void
+gf100_fifo_uevent_init(struct nvkm_event *event, int type, int index)
+{
+	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
+	struct nvkm_device *device = fifo->engine.subdev.device;
+	nvkm_mask(device, 0x002140, 0x80000000, 0x80000000);
+}
 
-struct gf100_fifo_chan {
-	struct nvkm_fifo_chan base;
-	enum {
-		STOPPED,
-		RUNNING,
-		KILLED
-	} state;
-};
+static void
+gf100_fifo_uevent_fini(struct nvkm_event *event, int type, int index)
+{
+	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
+	struct nvkm_device *device = fifo->engine.subdev.device;
+	nvkm_mask(device, 0x002140, 0x80000000, 0x00000000);
+}
 
-/*******************************************************************************
- * FIFO channel objects
- ******************************************************************************/
+static const struct nvkm_event_func
+gf100_fifo_uevent_func = {
+	.ctor = nvkm_fifo_uevent_ctor,
+	.init = gf100_fifo_uevent_init,
+	.fini = gf100_fifo_uevent_fini,
+};
 
-static void
+void
 gf100_fifo_runlist_update(struct gf100_fifo *fifo)
 {
 	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
@@ -108,289 +88,6 @@ gf100_fifo_runlist_update(struct gf100_fifo *fifo)
 	mutex_unlock(&nv_subdev(fifo)->mutex);
 }
 
-static int
-gf100_fifo_context_attach(struct nvkm_object *parent,
-			  struct nvkm_object *object)
-{
-	struct gf100_fifo_base *base = (void *)parent->parent;
-	struct nvkm_gpuobj *engn = &base->base.gpuobj;
-	struct nvkm_engctx *ectx = (void *)object;
-	u32 addr;
-	int ret;
-
-	switch (nv_engidx(object->engine)) {
-	case NVDEV_ENGINE_SW    : return 0;
-	case NVDEV_ENGINE_GR    : addr = 0x0210; break;
-	case NVDEV_ENGINE_CE0   : addr = 0x0230; break;
-	case NVDEV_ENGINE_CE1   : addr = 0x0240; break;
-	case NVDEV_ENGINE_MSVLD : addr = 0x0270; break;
-	case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break;
-	case NVDEV_ENGINE_MSPPP : addr = 0x0260; break;
-	default:
-		return -EINVAL;
-	}
-
-	if (!ectx->vma.node) {
-		ret = nvkm_gpuobj_map(nv_gpuobj(ectx), base->vm,
-				      NV_MEM_ACCESS_RW, &ectx->vma);
-		if (ret)
-			return ret;
-
-		nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
-	}
-
-	nvkm_kmap(engn);
-	nvkm_wo32(engn, addr + 0x00, lower_32_bits(ectx->vma.offset) | 4);
-	nvkm_wo32(engn, addr + 0x04, upper_32_bits(ectx->vma.offset));
-	nvkm_done(engn);
-	return 0;
-}
-
-static int
-gf100_fifo_context_detach(struct nvkm_object *parent, bool suspend,
-			  struct nvkm_object *object)
-{
-	struct gf100_fifo *fifo = (void *)parent->engine;
-	struct gf100_fifo_base *base = (void *)parent->parent;
-	struct gf100_fifo_chan *chan = (void *)parent;
-	struct nvkm_gpuobj *engn = &base->base.gpuobj;
-	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
-	struct nvkm_device *device = subdev->device;
-	u32 addr;
-
-	switch (nv_engidx(object->engine)) {
-	case NVDEV_ENGINE_SW    : return 0;
-	case NVDEV_ENGINE_GR    : addr = 0x0210; break;
-	case NVDEV_ENGINE_CE0   : addr = 0x0230; break;
-	case NVDEV_ENGINE_CE1   : addr = 0x0240; break;
-	case NVDEV_ENGINE_MSVLD : addr = 0x0270; break;
-	case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break;
-	case NVDEV_ENGINE_MSPPP : addr = 0x0260; break;
-	default:
-		return -EINVAL;
-	}
-
-	nvkm_wr32(device, 0x002634, chan->base.chid);
-	if (nvkm_msec(device, 2000,
-		if (nvkm_rd32(device, 0x002634) == chan->base.chid)
-			break;
-	) < 0) {
-		nvkm_error(subdev, "channel %d [%s] kick timeout\n",
-			   chan->base.chid, nvkm_client_name(chan));
-		if (suspend)
-			return -EBUSY;
-	}
-
-	nvkm_kmap(engn);
-	nvkm_wo32(engn, addr + 0x00, 0x00000000);
-	nvkm_wo32(engn, addr + 0x04, 0x00000000);
-	nvkm_done(engn);
-	return 0;
-}
-
-static int
-gf100_fifo_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-		     struct nvkm_oclass *oclass, void *data, u32 size,
-		     struct nvkm_object **pobject)
-{
-	union {
-		struct fermi_channel_gpfifo_v0 v0;
-	} *args = data;
-	struct gf100_fifo *fifo = (void *)engine;
-	struct gf100_fifo_base *base = (void *)parent;
-	struct gf100_fifo_chan *chan;
-	struct nvkm_gpuobj *ramfc = &base->base.gpuobj;
-	u64 usermem, ioffset, ilength;
-	int ret, i;
-
-	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
-	if (nvif_unpack(args->v0, 0, 0, false)) {
-		nvif_ioctl(parent, "create channel gpfifo vers %d "
-				   "ioffset %016llx ilength %08x\n",
-			   args->v0.version, args->v0.ioffset,
-			   args->v0.ilength);
-		if (args->v0.vm)
-			return -ENOENT;
-	} else
-		return ret;
-
-	ret = nvkm_fifo_channel_create(parent, engine, oclass, 1,
-				       fifo->user.bar.offset, 0x1000, 0,
-				       (1ULL << NVDEV_ENGINE_SW) |
-				       (1ULL << NVDEV_ENGINE_GR) |
-				       (1ULL << NVDEV_ENGINE_CE0) |
-				       (1ULL << NVDEV_ENGINE_CE1) |
-				       (1ULL << NVDEV_ENGINE_MSVLD) |
-				       (1ULL << NVDEV_ENGINE_MSPDEC) |
-				       (1ULL << NVDEV_ENGINE_MSPPP), &chan);
-	*pobject = nv_object(chan);
-	if (ret)
-		return ret;
-
-	chan->base.inst = base->base.gpuobj.addr;
-	args->v0.chid = chan->base.chid;
-
-	nv_parent(chan)->context_attach = gf100_fifo_context_attach;
-	nv_parent(chan)->context_detach = gf100_fifo_context_detach;
-
-	usermem = chan->base.chid * 0x1000;
-	ioffset = args->v0.ioffset;
-	ilength = order_base_2(args->v0.ilength / 8);
-
-	nvkm_kmap(fifo->user.mem);
-	for (i = 0; i < 0x1000; i += 4)
-		nvkm_wo32(fifo->user.mem, usermem + i, 0x00000000);
-	nvkm_done(fifo->user.mem);
-	usermem = nvkm_memory_addr(fifo->user.mem) + usermem;
-
-	nvkm_kmap(ramfc);
-	nvkm_wo32(ramfc, 0x08, lower_32_bits(usermem));
-	nvkm_wo32(ramfc, 0x0c, upper_32_bits(usermem));
-	nvkm_wo32(ramfc, 0x10, 0x0000face);
-	nvkm_wo32(ramfc, 0x30, 0xfffff902);
-	nvkm_wo32(ramfc, 0x48, lower_32_bits(ioffset));
-	nvkm_wo32(ramfc, 0x4c, upper_32_bits(ioffset) | (ilength << 16));
-	nvkm_wo32(ramfc, 0x54, 0x00000002);
-	nvkm_wo32(ramfc, 0x84, 0x20400000);
-	nvkm_wo32(ramfc, 0x94, 0x30000001);
-	nvkm_wo32(ramfc, 0x9c, 0x00000100);
-	nvkm_wo32(ramfc, 0xa4, 0x1f1f1f1f);
-	nvkm_wo32(ramfc, 0xa8, 0x1f1f1f1f);
-	nvkm_wo32(ramfc, 0xac, 0x0000001f);
-	nvkm_wo32(ramfc, 0xb8, 0xf8000000);
-	nvkm_wo32(ramfc, 0xf8, 0x10003080); /* 0x002310 */
-	nvkm_wo32(ramfc, 0xfc, 0x10000010); /* 0x002350 */
-	nvkm_done(ramfc);
-	return 0;
-}
-
-static int
-gf100_fifo_chan_init(struct nvkm_object *object)
-{
-	struct nvkm_gpuobj *base = nv_gpuobj(object->parent);
-	struct gf100_fifo *fifo = (void *)object->engine;
-	struct gf100_fifo_chan *chan = (void *)object;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	u32 chid = chan->base.chid;
-	int ret;
-
-	ret = nvkm_fifo_channel_init(&chan->base);
-	if (ret)
-		return ret;
-
-	nvkm_wr32(device, 0x003000 + (chid * 8), 0xc0000000 | base->addr >> 12);
-
-	if (chan->state == STOPPED && (chan->state = RUNNING) == RUNNING) {
-		nvkm_wr32(device, 0x003004 + (chid * 8), 0x001f0001);
-		gf100_fifo_runlist_update(fifo);
-	}
-
-	return 0;
-}
-
-static void gf100_fifo_intr_engine(struct gf100_fifo *fifo);
-
-static int
-gf100_fifo_chan_fini(struct nvkm_object *object, bool suspend)
-{
-	struct gf100_fifo *fifo = (void *)object->engine;
-	struct gf100_fifo_chan *chan = (void *)object;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	u32 chid = chan->base.chid;
-
-	if (chan->state == RUNNING && (chan->state = STOPPED) == STOPPED) {
-		nvkm_mask(device, 0x003004 + (chid * 8), 0x00000001, 0x00000000);
-		gf100_fifo_runlist_update(fifo);
-	}
-
-	gf100_fifo_intr_engine(fifo);
-
-	nvkm_wr32(device, 0x003000 + (chid * 8), 0x00000000);
-	return nvkm_fifo_channel_fini(&chan->base, suspend);
-}
-
-static struct nvkm_ofuncs
-gf100_fifo_ofuncs = {
-	.ctor = gf100_fifo_chan_ctor,
-	.dtor = _nvkm_fifo_channel_dtor,
-	.init = gf100_fifo_chan_init,
-	.fini = gf100_fifo_chan_fini,
-	.map  = _nvkm_fifo_channel_map,
-	.rd32 = _nvkm_fifo_channel_rd32,
-	.wr32 = _nvkm_fifo_channel_wr32,
-	.ntfy = _nvkm_fifo_channel_ntfy
-};
-
-static struct nvkm_oclass
-gf100_fifo_sclass[] = {
-	{ FERMI_CHANNEL_GPFIFO, &gf100_fifo_ofuncs },
-	{}
-};
-
-/*******************************************************************************
- * FIFO context - instmem heap and vm setup
- ******************************************************************************/
-
-static int
-gf100_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-			struct nvkm_oclass *oclass, void *data, u32 size,
-			struct nvkm_object **pobject)
-{
-	struct nvkm_device *device = nv_engine(engine)->subdev.device;
-	struct gf100_fifo_base *base;
-	int ret;
-
-	ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x1000,
-				       0x1000, NVOBJ_FLAG_ZERO_ALLOC |
-				       NVOBJ_FLAG_HEAP, &base);
-	*pobject = nv_object(base);
-	if (ret)
-		return ret;
-
-	ret = nvkm_gpuobj_new(device, 0x10000, 0x1000, false, NULL, &base->pgd);
-	if (ret)
-		return ret;
-
-	nvkm_kmap(&base->base.gpuobj);
-	nvkm_wo32(&base->base.gpuobj, 0x0200, lower_32_bits(base->pgd->addr));
-	nvkm_wo32(&base->base.gpuobj, 0x0204, upper_32_bits(base->pgd->addr));
-	nvkm_wo32(&base->base.gpuobj, 0x0208, 0xffffffff);
-	nvkm_wo32(&base->base.gpuobj, 0x020c, 0x000000ff);
-	nvkm_done(&base->base.gpuobj);
-
-	ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
-static void
-gf100_fifo_context_dtor(struct nvkm_object *object)
-{
-	struct gf100_fifo_base *base = (void *)object;
-	nvkm_vm_ref(NULL, &base->vm, base->pgd);
-	nvkm_gpuobj_del(&base->pgd);
-	nvkm_fifo_context_destroy(&base->base);
-}
-
-static struct nvkm_oclass
-gf100_fifo_cclass = {
-	.handle = NV_ENGCTX(FIFO, 0xc0),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gf100_fifo_context_ctor,
-		.dtor = gf100_fifo_context_dtor,
-		.init = _nvkm_fifo_context_init,
-		.fini = _nvkm_fifo_context_fini,
-		.rd32 = _nvkm_fifo_context_rd32,
-		.wr32 = _nvkm_fifo_context_wr32,
-	},
-};
-
-/*******************************************************************************
- * PFIFO engine
- ******************************************************************************/
-
 static inline int
 gf100_fifo_engidx(struct gf100_fifo *fifo, u32 engn)
 {
@@ -739,7 +436,7 @@ gf100_fifo_intr_engine_unit(struct gf100_fifo *fifo, int engn)
 	}
 }
 
-static void
+void
 gf100_fifo_intr_engine(struct gf100_fifo *fifo)
 {
 	struct nvkm_device *device = fifo->base.engine.subdev.device;
@@ -825,28 +522,62 @@ gf100_fifo_intr(struct nvkm_subdev *subdev)
 	}
 }
 
-static void
-gf100_fifo_uevent_init(struct nvkm_event *event, int type, int index)
+static int
+gf100_fifo_init(struct nvkm_object *object)
 {
-	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
-	struct nvkm_device *device = fifo->engine.subdev.device;
-	nvkm_mask(device, 0x002140, 0x80000000, 0x80000000);
+	struct gf100_fifo *fifo = (void *)object;
+	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	int ret, i;
+
+	ret = nvkm_fifo_init(&fifo->base);
+	if (ret)
+		return ret;
+
+	nvkm_wr32(device, 0x000204, 0xffffffff);
+	nvkm_wr32(device, 0x002204, 0xffffffff);
+
+	fifo->spoon_nr = hweight32(nvkm_rd32(device, 0x002204));
+	nvkm_debug(subdev, "%d PBDMA unit(s)\n", fifo->spoon_nr);
+
+	/* assign engines to PBDMAs */
+	if (fifo->spoon_nr >= 3) {
+		nvkm_wr32(device, 0x002208, ~(1 << 0)); /* PGRAPH */
+		nvkm_wr32(device, 0x00220c, ~(1 << 1)); /* PVP */
+		nvkm_wr32(device, 0x002210, ~(1 << 1)); /* PMSPP */
+		nvkm_wr32(device, 0x002214, ~(1 << 1)); /* PMSVLD */
+		nvkm_wr32(device, 0x002218, ~(1 << 2)); /* PCE0 */
+		nvkm_wr32(device, 0x00221c, ~(1 << 1)); /* PCE1 */
+	}
+
+	/* PBDMA[n] */
+	for (i = 0; i < fifo->spoon_nr; i++) {
+		nvkm_mask(device, 0x04013c + (i * 0x2000), 0x10000100, 0x00000000);
+		nvkm_wr32(device, 0x040108 + (i * 0x2000), 0xffffffff); /* INTR */
+		nvkm_wr32(device, 0x04010c + (i * 0x2000), 0xfffffeff); /* INTREN */
+	}
+
+	nvkm_mask(device, 0x002200, 0x00000001, 0x00000001);
+	nvkm_wr32(device, 0x002254, 0x10000000 | fifo->user.bar.offset >> 12);
+
+	nvkm_wr32(device, 0x002100, 0xffffffff);
+	nvkm_wr32(device, 0x002140, 0x7fffffff);
+	nvkm_wr32(device, 0x002628, 0x00000001); /* ENGINE_INTR_EN */
+	return 0;
 }
 
 static void
-gf100_fifo_uevent_fini(struct nvkm_event *event, int type, int index)
+gf100_fifo_dtor(struct nvkm_object *object)
 {
-	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
-	struct nvkm_device *device = fifo->engine.subdev.device;
-	nvkm_mask(device, 0x002140, 0x80000000, 0x00000000);
-}
+	struct gf100_fifo *fifo = (void *)object;
 
-static const struct nvkm_event_func
-gf100_fifo_uevent_func = {
-	.ctor = nvkm_fifo_uevent_ctor,
-	.init = gf100_fifo_uevent_init,
-	.fini = gf100_fifo_uevent_fini,
-};
+	nvkm_vm_put(&fifo->user.bar);
+	nvkm_memory_del(&fifo->user.mem);
+	nvkm_memory_del(&fifo->runlist.mem[0]);
+	nvkm_memory_del(&fifo->runlist.mem[1]);
+
+	nvkm_fifo_destroy(&fifo->base);
+}
 
 static int
 gf100_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
@@ -899,62 +630,6 @@ gf100_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	return 0;
 }
 
-static void
-gf100_fifo_dtor(struct nvkm_object *object)
-{
-	struct gf100_fifo *fifo = (void *)object;
-
-	nvkm_vm_put(&fifo->user.bar);
-	nvkm_memory_del(&fifo->user.mem);
-	nvkm_memory_del(&fifo->runlist.mem[0]);
-	nvkm_memory_del(&fifo->runlist.mem[1]);
-
-	nvkm_fifo_destroy(&fifo->base);
-}
-
-static int
-gf100_fifo_init(struct nvkm_object *object)
-{
-	struct gf100_fifo *fifo = (void *)object;
-	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
-	struct nvkm_device *device = subdev->device;
-	int ret, i;
-
-	ret = nvkm_fifo_init(&fifo->base);
-	if (ret)
-		return ret;
-
-	nvkm_wr32(device, 0x000204, 0xffffffff);
-	nvkm_wr32(device, 0x002204, 0xffffffff);
-
-	fifo->spoon_nr = hweight32(nvkm_rd32(device, 0x002204));
-	nvkm_debug(subdev, "%d PBDMA unit(s)\n", fifo->spoon_nr);
-
-	/* assign engines to PBDMAs */
-	if (fifo->spoon_nr >= 3) {
-		nvkm_wr32(device, 0x002208, ~(1 << 0)); /* PGRAPH */
-		nvkm_wr32(device, 0x00220c, ~(1 << 1)); /* PVP */
-		nvkm_wr32(device, 0x002210, ~(1 << 1)); /* PMSPP */
-		nvkm_wr32(device, 0x002214, ~(1 << 1)); /* PMSVLD */
-		nvkm_wr32(device, 0x002218, ~(1 << 2)); /* PCE0 */
-		nvkm_wr32(device, 0x00221c, ~(1 << 1)); /* PCE1 */
-	}
-
-	/* PBDMA[n] */
-	for (i = 0; i < fifo->spoon_nr; i++) {
-		nvkm_mask(device, 0x04013c + (i * 0x2000), 0x10000100, 0x00000000);
-		nvkm_wr32(device, 0x040108 + (i * 0x2000), 0xffffffff); /* INTR */
-		nvkm_wr32(device, 0x04010c + (i * 0x2000), 0xfffffeff); /* INTREN */
-	}
-
-	nvkm_mask(device, 0x002200, 0x00000001, 0x00000001);
-	nvkm_wr32(device, 0x002254, 0x10000000 | fifo->user.bar.offset >> 12);
-
-	nvkm_wr32(device, 0x002100, 0xffffffff);
-	nvkm_wr32(device, 0x002140, 0x7fffffff);
-	nvkm_wr32(device, 0x002628, 0x00000001); /* ENGINE_INTR_EN */
-	return 0;
-}
 
 struct nvkm_oclass *
 gf100_fifo_oclass = &(struct nvkm_oclass) {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h
new file mode 100644
index 000000000000..5190bbc6e1a1
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h
@@ -0,0 +1,26 @@
+#ifndef __GF100_FIFO_H__
+#define __GF100_FIFO_H__
+#include "priv.h"
+
+struct gf100_fifo {
+	struct nvkm_fifo base;
+
+	struct work_struct fault;
+	u64 mask;
+
+	struct {
+		struct nvkm_memory *mem[2];
+		int active;
+		wait_queue_head_t wait;
+	} runlist;
+
+	struct {
+		struct nvkm_memory *mem;
+		struct nvkm_vma bar;
+	} user;
+	int spoon_nr;
+};
+
+void gf100_fifo_intr_engine(struct gf100_fifo *);
+void gf100_fifo_runlist_update(struct gf100_fifo *);
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
index e0badfc54dc8..9ab3fd40b7dd 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
@@ -22,20 +22,15 @@
  * Authors: Ben Skeggs
  */
 #include "gk104.h"
+#include "changk104.h"
 
 #include <core/client.h>
-#include <core/engctx.h>
 #include <core/enum.h>
 #include <core/handle.h>
 #include <subdev/bar.h>
-#include <subdev/fb.h>
-#include <subdev/mmu.h>
-#include <subdev/timer.h>
 #include <engine/sw.h>
 
 #include <nvif/class.h>
-#include <nvif/ioctl.h>
-#include <nvif/unpack.h>
 
 #define _(a,b) { (a), ((1ULL << (a)) | (b)) }
 static const struct {
@@ -54,47 +49,30 @@ static const struct {
 #undef _
 #define FIFO_ENGINE_NR ARRAY_SIZE(fifo_engine)
 
-struct gk104_fifo_engn {
-	struct nvkm_memory *runlist[2];
-	int cur_runlist;
-	wait_queue_head_t wait;
-};
-
-struct gk104_fifo {
-	struct nvkm_fifo base;
-
-	struct work_struct fault;
-	u64 mask;
-
-	struct gk104_fifo_engn engine[FIFO_ENGINE_NR];
-	struct {
-		struct nvkm_memory *mem;
-		struct nvkm_vma bar;
-	} user;
-	int spoon_nr;
-};
+static void
+gk104_fifo_uevent_fini(struct nvkm_event *event, int type, int index)
+{
+	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
+	struct nvkm_device *device = fifo->engine.subdev.device;
+	nvkm_mask(device, 0x002140, 0x80000000, 0x00000000);
+}
 
-struct gk104_fifo_base {
-	struct nvkm_fifo_base base;
-	struct nvkm_gpuobj *pgd;
-	struct nvkm_vm *vm;
-};
+static void
+gk104_fifo_uevent_init(struct nvkm_event *event, int type, int index)
+{
+	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
+	struct nvkm_device *device = fifo->engine.subdev.device;
+	nvkm_mask(device, 0x002140, 0x80000000, 0x80000000);
+}
 
-struct gk104_fifo_chan {
-	struct nvkm_fifo_chan base;
-	u32 engine;
-	enum {
-		STOPPED,
-		RUNNING,
-		KILLED
-	} state;
+static const struct nvkm_event_func
+gk104_fifo_uevent_func = {
+	.ctor = nvkm_fifo_uevent_ctor,
+	.init = gk104_fifo_uevent_init,
+	.fini = gk104_fifo_uevent_fini,
 };
 
-/*******************************************************************************
- * FIFO channel objects
- ******************************************************************************/
-
-static void
+void
 gk104_fifo_runlist_update(struct gk104_fifo *fifo, u32 engine)
 {
 	struct gk104_fifo_engn *engn = &fifo->engine[engine];
@@ -128,322 +106,6 @@ gk104_fifo_runlist_update(struct gk104_fifo *fifo, u32 engine)
 	mutex_unlock(&nv_subdev(fifo)->mutex);
 }
 
-static int
-gk104_fifo_context_attach(struct nvkm_object *parent,
-			  struct nvkm_object *object)
-{
-	struct gk104_fifo_base *base = (void *)parent->parent;
-	struct nvkm_gpuobj *engn = &base->base.gpuobj;
-	struct nvkm_engctx *ectx = (void *)object;
-	u32 addr;
-	int ret;
-
-	switch (nv_engidx(object->engine)) {
-	case NVDEV_ENGINE_SW   :
-		return 0;
-	case NVDEV_ENGINE_CE0:
-	case NVDEV_ENGINE_CE1:
-	case NVDEV_ENGINE_CE2:
-		nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
-		return 0;
-	case NVDEV_ENGINE_GR    : addr = 0x0210; break;
-	case NVDEV_ENGINE_MSVLD : addr = 0x0270; break;
-	case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break;
-	case NVDEV_ENGINE_MSPPP : addr = 0x0260; break;
-	default:
-		return -EINVAL;
-	}
-
-	if (!ectx->vma.node) {
-		ret = nvkm_gpuobj_map(nv_gpuobj(ectx), base->vm,
-				      NV_MEM_ACCESS_RW, &ectx->vma);
-		if (ret)
-			return ret;
-
-		nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
-	}
-
-	nvkm_kmap(engn);
-	nvkm_wo32(engn, addr + 0x00, lower_32_bits(ectx->vma.offset) | 4);
-	nvkm_wo32(engn, addr + 0x04, upper_32_bits(ectx->vma.offset));
-	nvkm_done(engn);
-	return 0;
-}
-
-static int
-gk104_fifo_chan_kick(struct gk104_fifo_chan *chan)
-{
-	struct nvkm_object *obj = (void *)chan;
-	struct gk104_fifo *fifo = (void *)obj->engine;
-	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
-	struct nvkm_device *device = subdev->device;
-
-	nvkm_wr32(device, 0x002634, chan->base.chid);
-	if (nvkm_msec(device, 2000,
-		if (!(nvkm_rd32(device, 0x002634) & 0x00100000))
-			break;
-	) < 0) {
-		nvkm_error(subdev, "channel %d [%s] kick timeout\n",
-			   chan->base.chid, nvkm_client_name(chan));
-		return -EBUSY;
-	}
-
-	return 0;
-}
-
-static int
-gk104_fifo_context_detach(struct nvkm_object *parent, bool suspend,
-			  struct nvkm_object *object)
-{
-	struct gk104_fifo_base *base = (void *)parent->parent;
-	struct gk104_fifo_chan *chan = (void *)parent;
-	struct nvkm_gpuobj *engn = &base->base.gpuobj;
-	u32 addr;
-	int ret;
-
-	switch (nv_engidx(object->engine)) {
-	case NVDEV_ENGINE_SW    : return 0;
-	case NVDEV_ENGINE_CE0   :
-	case NVDEV_ENGINE_CE1   :
-	case NVDEV_ENGINE_CE2   : addr = 0x0000; break;
-	case NVDEV_ENGINE_GR    : addr = 0x0210; break;
-	case NVDEV_ENGINE_MSVLD : addr = 0x0270; break;
-	case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break;
-	case NVDEV_ENGINE_MSPPP : addr = 0x0260; break;
-	default:
-		return -EINVAL;
-	}
-
-	ret = gk104_fifo_chan_kick(chan);
-	if (ret && suspend)
-		return ret;
-
-	if (addr) {
-		nvkm_kmap(engn);
-		nvkm_wo32(engn, addr + 0x00, 0x00000000);
-		nvkm_wo32(engn, addr + 0x04, 0x00000000);
-		nvkm_done(engn);
-	}
-
-	return 0;
-}
-
-static int
-gk104_fifo_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-		     struct nvkm_oclass *oclass, void *data, u32 size,
-		     struct nvkm_object **pobject)
-{
-	union {
-		struct kepler_channel_gpfifo_a_v0 v0;
-	} *args = data;
-	struct gk104_fifo *fifo = (void *)engine;
-	struct gk104_fifo_base *base = (void *)parent;
-	struct gk104_fifo_chan *chan;
-	struct nvkm_gpuobj *ramfc = &base->base.gpuobj;
-	u64 usermem, ioffset, ilength;
-	u32 engines;
-	int ret, i;
-
-	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
-	if (nvif_unpack(args->v0, 0, 0, false)) {
-		nvif_ioctl(parent, "create channel gpfifo vers %d "
-				   "ioffset %016llx ilength %08x engine %08x\n",
-			   args->v0.version, args->v0.ioffset,
-			   args->v0.ilength, args->v0.engine);
-		if (args->v0.vm)
-			return -ENOENT;
-	} else
-		return ret;
-
-	for (i = 0, engines = 0; i < FIFO_ENGINE_NR; i++) {
-		if (!nvkm_engine(parent, fifo_engine[i].subdev))
-			continue;
-		engines |= (1 << i);
-	}
-
-	if (!args->v0.engine) {
-		static struct nvkm_oclass oclass = {
-			.ofuncs = &nvkm_object_ofuncs,
-		};
-		args->v0.engine = engines;
-		return nvkm_object_old(parent, engine, &oclass, NULL, 0, pobject);
-	}
-
-	engines &= args->v0.engine;
-	if (!engines) {
-		nvif_ioctl(parent, "unsupported engines %08x\n",
-			   args->v0.engine);
-		return -ENODEV;
-	}
-	i = __ffs(engines);
-
-	ret = nvkm_fifo_channel_create(parent, engine, oclass, 1,
-				       fifo->user.bar.offset, 0x200, 0,
-				       fifo_engine[i].mask, &chan);
-	*pobject = nv_object(chan);
-	if (ret)
-		return ret;
-
-	chan->base.inst = base->base.gpuobj.addr;
-	args->v0.chid = chan->base.chid;
-
-	nv_parent(chan)->context_attach = gk104_fifo_context_attach;
-	nv_parent(chan)->context_detach = gk104_fifo_context_detach;
-	chan->engine = i;
-
-	usermem = chan->base.chid * 0x200;
-	ioffset = args->v0.ioffset;
-	ilength = order_base_2(args->v0.ilength / 8);
-
-	nvkm_kmap(fifo->user.mem);
-	for (i = 0; i < 0x200; i += 4)
-		nvkm_wo32(fifo->user.mem, usermem + i, 0x00000000);
-	nvkm_done(fifo->user.mem);
-	usermem = nvkm_memory_addr(fifo->user.mem) + usermem;
-
-	nvkm_kmap(ramfc);
-	nvkm_wo32(ramfc, 0x08, lower_32_bits(usermem));
-	nvkm_wo32(ramfc, 0x0c, upper_32_bits(usermem));
-	nvkm_wo32(ramfc, 0x10, 0x0000face);
-	nvkm_wo32(ramfc, 0x30, 0xfffff902);
-	nvkm_wo32(ramfc, 0x48, lower_32_bits(ioffset));
-	nvkm_wo32(ramfc, 0x4c, upper_32_bits(ioffset) | (ilength << 16));
-	nvkm_wo32(ramfc, 0x84, 0x20400000);
-	nvkm_wo32(ramfc, 0x94, 0x30000001);
-	nvkm_wo32(ramfc, 0x9c, 0x00000100);
-	nvkm_wo32(ramfc, 0xac, 0x0000001f);
-	nvkm_wo32(ramfc, 0xe8, chan->base.chid);
-	nvkm_wo32(ramfc, 0xb8, 0xf8000000);
-	nvkm_wo32(ramfc, 0xf8, 0x10003080); /* 0x002310 */
-	nvkm_wo32(ramfc, 0xfc, 0x10000010); /* 0x002350 */
-	nvkm_done(ramfc);
-	return 0;
-}
-
-static int
-gk104_fifo_chan_init(struct nvkm_object *object)
-{
-	struct nvkm_gpuobj *base = nv_gpuobj(object->parent);
-	struct gk104_fifo *fifo = (void *)object->engine;
-	struct gk104_fifo_chan *chan = (void *)object;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	u32 chid = chan->base.chid;
-	int ret;
-
-	ret = nvkm_fifo_channel_init(&chan->base);
-	if (ret)
-		return ret;
-
-	nvkm_mask(device, 0x800004 + (chid * 8), 0x000f0000, chan->engine << 16);
-	nvkm_wr32(device, 0x800000 + (chid * 8), 0x80000000 | base->addr >> 12);
-
-	if (chan->state == STOPPED && (chan->state = RUNNING) == RUNNING) {
-		nvkm_mask(device, 0x800004 + (chid * 8), 0x00000400, 0x00000400);
-		gk104_fifo_runlist_update(fifo, chan->engine);
-		nvkm_mask(device, 0x800004 + (chid * 8), 0x00000400, 0x00000400);
-	}
-
-	return 0;
-}
-
-static int
-gk104_fifo_chan_fini(struct nvkm_object *object, bool suspend)
-{
-	struct gk104_fifo *fifo = (void *)object->engine;
-	struct gk104_fifo_chan *chan = (void *)object;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	u32 chid = chan->base.chid;
-
-	if (chan->state == RUNNING && (chan->state = STOPPED) == STOPPED) {
-		nvkm_mask(device, 0x800004 + (chid * 8), 0x00000800, 0x00000800);
-		gk104_fifo_runlist_update(fifo, chan->engine);
-	}
-
-	nvkm_wr32(device, 0x800000 + (chid * 8), 0x00000000);
-	return nvkm_fifo_channel_fini(&chan->base, suspend);
-}
-
-struct nvkm_ofuncs
-gk104_fifo_chan_ofuncs = {
-	.ctor = gk104_fifo_chan_ctor,
-	.dtor = _nvkm_fifo_channel_dtor,
-	.init = gk104_fifo_chan_init,
-	.fini = gk104_fifo_chan_fini,
-	.map  = _nvkm_fifo_channel_map,
-	.rd32 = _nvkm_fifo_channel_rd32,
-	.wr32 = _nvkm_fifo_channel_wr32,
-	.ntfy = _nvkm_fifo_channel_ntfy
-};
-
-static struct nvkm_oclass
-gk104_fifo_sclass[] = {
-	{ KEPLER_CHANNEL_GPFIFO_A, &gk104_fifo_chan_ofuncs },
-	{}
-};
-
-/*******************************************************************************
- * FIFO context - instmem heap and vm setup
- ******************************************************************************/
-
-static int
-gk104_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-			struct nvkm_oclass *oclass, void *data, u32 size,
-			struct nvkm_object **pobject)
-{
-	struct nvkm_device *device = nv_engine(engine)->subdev.device;
-	struct gk104_fifo_base *base;
-	int ret;
-
-	ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x1000,
-				       0x1000, NVOBJ_FLAG_ZERO_ALLOC, &base);
-	*pobject = nv_object(base);
-	if (ret)
-		return ret;
-
-	ret = nvkm_gpuobj_new(device, 0x10000, 0x1000, false, NULL, &base->pgd);
-	if (ret)
-		return ret;
-
-	nvkm_kmap(&base->base.gpuobj);
-	nvkm_wo32(&base->base.gpuobj, 0x0200, lower_32_bits(base->pgd->addr));
-	nvkm_wo32(&base->base.gpuobj, 0x0204, upper_32_bits(base->pgd->addr));
-	nvkm_wo32(&base->base.gpuobj, 0x0208, 0xffffffff);
-	nvkm_wo32(&base->base.gpuobj, 0x020c, 0x000000ff);
-	nvkm_done(&base->base.gpuobj);
-
-	ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
-static void
-gk104_fifo_context_dtor(struct nvkm_object *object)
-{
-	struct gk104_fifo_base *base = (void *)object;
-	nvkm_vm_ref(NULL, &base->vm, base->pgd);
-	nvkm_gpuobj_del(&base->pgd);
-	nvkm_fifo_context_destroy(&base->base);
-}
-
-static struct nvkm_oclass
-gk104_fifo_cclass = {
-	.handle = NV_ENGCTX(FIFO, 0xe0),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gk104_fifo_context_ctor,
-		.dtor = gk104_fifo_context_dtor,
-		.init = _nvkm_fifo_context_init,
-		.fini = _nvkm_fifo_context_fini,
-		.rd32 = _nvkm_fifo_context_rd32,
-		.wr32 = _nvkm_fifo_context_wr32,
-	},
-};
-
-/*******************************************************************************
- * PFIFO engine
- ******************************************************************************/
-
 static inline int
 gk104_fifo_engidx(struct gk104_fifo *fifo, u32 engn)
 {
@@ -998,29 +660,6 @@ gk104_fifo_intr(struct nvkm_subdev *subdev)
 	}
 }
 
-static void
-gk104_fifo_uevent_init(struct nvkm_event *event, int type, int index)
-{
-	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
-	struct nvkm_device *device = fifo->engine.subdev.device;
-	nvkm_mask(device, 0x002140, 0x80000000, 0x80000000);
-}
-
-static void
-gk104_fifo_uevent_fini(struct nvkm_event *event, int type, int index)
-{
-	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), uevent);
-	struct nvkm_device *device = fifo->engine.subdev.device;
-	nvkm_mask(device, 0x002140, 0x80000000, 0x00000000);
-}
-
-static const struct nvkm_event_func
-gk104_fifo_uevent_func = {
-	.ctor = nvkm_fifo_uevent_ctor,
-	.init = gk104_fifo_uevent_init,
-	.fini = gk104_fifo_uevent_fini,
-};
-
 int
 gk104_fifo_fini(struct nvkm_object *object, bool suspend)
 {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h
index b77d75f86b73..b71abef84349 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h
@@ -1,20 +1,39 @@
-#ifndef __NVKM_FIFO_NVE0_H__
-#define __NVKM_FIFO_NVE0_H__
-#include <engine/fifo.h>
+#ifndef __GK104_FIFO_H__
+#define __GK104_FIFO_H__
+#include "priv.h"
 
-int  gk104_fifo_ctor(struct nvkm_object *, struct nvkm_object *,
-		    struct nvkm_oclass *, void *, u32,
-		    struct nvkm_object **);
-void gk104_fifo_dtor(struct nvkm_object *);
-int  gk104_fifo_init(struct nvkm_object *);
-int  gk104_fifo_fini(struct nvkm_object *, bool);
+struct gk104_fifo_engn {
+	struct nvkm_memory *runlist[2];
+	int cur_runlist;
+	wait_queue_head_t wait;
+};
+
+struct gk104_fifo {
+	struct nvkm_fifo base;
+
+	struct work_struct fault;
+	u64 mask;
+
+	struct gk104_fifo_engn engine[7];
+	struct {
+		struct nvkm_memory *mem;
+		struct nvkm_vma bar;
+	} user;
+	int spoon_nr;
+};
 
 struct gk104_fifo_impl {
 	struct nvkm_oclass base;
 	u32 channels;
 };
 
-extern struct nvkm_ofuncs gk104_fifo_chan_ofuncs;
+int  gk104_fifo_ctor(struct nvkm_object *, struct nvkm_object *,
+		    struct nvkm_oclass *, void *, u32,
+		    struct nvkm_object **);
+void gk104_fifo_dtor(struct nvkm_object *);
+int  gk104_fifo_init(struct nvkm_object *);
+int  gk104_fifo_fini(struct nvkm_object *, bool);
+void gk104_fifo_runlist_update(struct gk104_fifo *, u32 engine);
 
 int  gm204_fifo_ctor(struct nvkm_object *, struct nvkm_object *,
 		    struct nvkm_oclass *, void *, u32,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm204.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm204.c
index 6a93b911e8a8..2367b4f81a91 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm204.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm204.c
@@ -22,14 +22,7 @@
  * Authors: Ben Skeggs
  */
 #include "gk104.h"
-
-#include <nvif/class.h>
-
-static struct nvkm_oclass
-gm204_fifo_sclass[] = {
-	{ MAXWELL_CHANNEL_GPFIFO_A, &gk104_fifo_chan_ofuncs },
-	{}
-};
+#include "changk104.h"
 
 int
 gm204_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c
new file mode 100644
index 000000000000..fd11e0afec25
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c
@@ -0,0 +1,122 @@
+/*
+ * 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 "channv50.h"
+
+#include <core/client.h>
+#include <core/ramht.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+static int
+g84_fifo_chan_ctor_ind(struct nvkm_object *parent, struct nvkm_object *engine,
+		       struct nvkm_oclass *oclass, void *data, u32 size,
+		       struct nvkm_object **pobject)
+{
+	union {
+		struct nv50_channel_gpfifo_v0 v0;
+	} *args = data;
+	struct nvkm_device *device = parent->engine->subdev.device;
+	struct nv50_fifo_base *base = (void *)parent;
+	struct nv50_fifo_chan *chan;
+	u64 ioffset, ilength;
+	int ret;
+
+	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, false)) {
+		nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx "
+				   "pushbuf %llx ioffset %016llx "
+				   "ilength %08x\n",
+			   args->v0.version, args->v0.vm, args->v0.pushbuf,
+			   args->v0.ioffset, args->v0.ilength);
+		if (args->v0.vm)
+			return -ENOENT;
+	} else
+		return ret;
+
+	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
+				       0x2000, args->v0.pushbuf,
+				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
+				       (1ULL << NVDEV_ENGINE_SW) |
+				       (1ULL << NVDEV_ENGINE_GR) |
+				       (1ULL << NVDEV_ENGINE_MPEG) |
+				       (1ULL << NVDEV_ENGINE_ME) |
+				       (1ULL << NVDEV_ENGINE_VP) |
+				       (1ULL << NVDEV_ENGINE_CIPHER) |
+				       (1ULL << NVDEV_ENGINE_SEC) |
+				       (1ULL << NVDEV_ENGINE_BSP) |
+				       (1ULL << NVDEV_ENGINE_MSVLD) |
+				       (1ULL << NVDEV_ENGINE_MSPDEC) |
+				       (1ULL << NVDEV_ENGINE_MSPPP) |
+				       (1ULL << NVDEV_ENGINE_CE0) |
+				       (1ULL << NVDEV_ENGINE_VIC), &chan);
+	*pobject = nv_object(chan);
+	if (ret)
+		return ret;
+
+	chan->base.inst = base->base.gpuobj.addr;
+	args->v0.chid = chan->base.chid;
+
+	ret = nvkm_ramht_new(device, 0x8000, 16, &base->base.gpuobj,
+			     &chan->ramht);
+	if (ret)
+		return ret;
+
+	nv_parent(chan)->context_attach = g84_fifo_context_attach;
+	nv_parent(chan)->context_detach = g84_fifo_context_detach;
+	nv_parent(chan)->object_attach = g84_fifo_object_attach;
+	nv_parent(chan)->object_detach = nv50_fifo_object_detach;
+
+	ioffset = args->v0.ioffset;
+	ilength = order_base_2(args->v0.ilength / 8);
+
+	nvkm_kmap(base->ramfc);
+	nvkm_wo32(base->ramfc, 0x3c, 0x403f6078);
+	nvkm_wo32(base->ramfc, 0x44, 0x01003fff);
+	nvkm_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4);
+	nvkm_wo32(base->ramfc, 0x50, lower_32_bits(ioffset));
+	nvkm_wo32(base->ramfc, 0x54, upper_32_bits(ioffset) | (ilength << 16));
+	nvkm_wo32(base->ramfc, 0x60, 0x7fffffff);
+	nvkm_wo32(base->ramfc, 0x78, 0x00000000);
+	nvkm_wo32(base->ramfc, 0x7c, 0x30000001);
+	nvkm_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
+				     (4 << 24) /* SEARCH_FULL */ |
+				     (chan->ramht->gpuobj->node->offset >> 4));
+	nvkm_wo32(base->ramfc, 0x88, base->cache->addr >> 10);
+	nvkm_wo32(base->ramfc, 0x98, nv_gpuobj(base)->addr >> 12);
+	nvkm_done(base->ramfc);
+	return 0;
+}
+
+struct nvkm_ofuncs
+g84_fifo_ofuncs_ind = {
+	.ctor = g84_fifo_chan_ctor_ind,
+	.dtor = nv50_fifo_chan_dtor,
+	.init = g84_fifo_chan_init,
+	.fini = nv50_fifo_chan_fini,
+	.map  = _nvkm_fifo_channel_map,
+	.rd32 = _nvkm_fifo_channel_rd32,
+	.wr32 = _nvkm_fifo_channel_wr32,
+	.ntfy = _nvkm_fifo_channel_ntfy
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
new file mode 100644
index 000000000000..7fd6401ca905
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
@@ -0,0 +1,304 @@
+/*
+ * 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 "changf100.h"
+
+#include <core/client.h>
+#include <subdev/fb.h>
+#include <subdev/timer.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+static int
+gf100_fifo_context_detach(struct nvkm_object *parent, bool suspend,
+			  struct nvkm_object *object)
+{
+	struct gf100_fifo *fifo = (void *)parent->engine;
+	struct gf100_fifo_base *base = (void *)parent->parent;
+	struct gf100_fifo_chan *chan = (void *)parent;
+	struct nvkm_gpuobj *engn = &base->base.gpuobj;
+	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	u32 addr;
+
+	switch (nv_engidx(object->engine)) {
+	case NVDEV_ENGINE_SW    : return 0;
+	case NVDEV_ENGINE_GR    : addr = 0x0210; break;
+	case NVDEV_ENGINE_CE0   : addr = 0x0230; break;
+	case NVDEV_ENGINE_CE1   : addr = 0x0240; break;
+	case NVDEV_ENGINE_MSVLD : addr = 0x0270; break;
+	case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break;
+	case NVDEV_ENGINE_MSPPP : addr = 0x0260; break;
+	default:
+		return -EINVAL;
+	}
+
+	nvkm_wr32(device, 0x002634, chan->base.chid);
+	if (nvkm_msec(device, 2000,
+		if (nvkm_rd32(device, 0x002634) == chan->base.chid)
+			break;
+	) < 0) {
+		nvkm_error(subdev, "channel %d [%s] kick timeout\n",
+			   chan->base.chid, nvkm_client_name(chan));
+		if (suspend)
+			return -EBUSY;
+	}
+
+	nvkm_kmap(engn);
+	nvkm_wo32(engn, addr + 0x00, 0x00000000);
+	nvkm_wo32(engn, addr + 0x04, 0x00000000);
+	nvkm_done(engn);
+	return 0;
+}
+
+static int
+gf100_fifo_context_attach(struct nvkm_object *parent,
+			  struct nvkm_object *object)
+{
+	struct gf100_fifo_base *base = (void *)parent->parent;
+	struct nvkm_gpuobj *engn = &base->base.gpuobj;
+	struct nvkm_engctx *ectx = (void *)object;
+	u32 addr;
+	int ret;
+
+	switch (nv_engidx(object->engine)) {
+	case NVDEV_ENGINE_SW    : return 0;
+	case NVDEV_ENGINE_GR    : addr = 0x0210; break;
+	case NVDEV_ENGINE_CE0   : addr = 0x0230; break;
+	case NVDEV_ENGINE_CE1   : addr = 0x0240; break;
+	case NVDEV_ENGINE_MSVLD : addr = 0x0270; break;
+	case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break;
+	case NVDEV_ENGINE_MSPPP : addr = 0x0260; break;
+	default:
+		return -EINVAL;
+	}
+
+	if (!ectx->vma.node) {
+		ret = nvkm_gpuobj_map(nv_gpuobj(ectx), base->vm,
+				      NV_MEM_ACCESS_RW, &ectx->vma);
+		if (ret)
+			return ret;
+
+		nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
+	}
+
+	nvkm_kmap(engn);
+	nvkm_wo32(engn, addr + 0x00, lower_32_bits(ectx->vma.offset) | 4);
+	nvkm_wo32(engn, addr + 0x04, upper_32_bits(ectx->vma.offset));
+	nvkm_done(engn);
+	return 0;
+}
+
+static int
+gf100_fifo_chan_fini(struct nvkm_object *object, bool suspend)
+{
+	struct gf100_fifo *fifo = (void *)object->engine;
+	struct gf100_fifo_chan *chan = (void *)object;
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	u32 chid = chan->base.chid;
+
+	if (chan->state == RUNNING && (chan->state = STOPPED) == STOPPED) {
+		nvkm_mask(device, 0x003004 + (chid * 8), 0x00000001, 0x00000000);
+		gf100_fifo_runlist_update(fifo);
+	}
+
+	gf100_fifo_intr_engine(fifo);
+
+	nvkm_wr32(device, 0x003000 + (chid * 8), 0x00000000);
+	return nvkm_fifo_channel_fini(&chan->base, suspend);
+}
+
+static int
+gf100_fifo_chan_init(struct nvkm_object *object)
+{
+	struct nvkm_gpuobj *base = nv_gpuobj(object->parent);
+	struct gf100_fifo *fifo = (void *)object->engine;
+	struct gf100_fifo_chan *chan = (void *)object;
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	u32 chid = chan->base.chid;
+	int ret;
+
+	ret = nvkm_fifo_channel_init(&chan->base);
+	if (ret)
+		return ret;
+
+	nvkm_wr32(device, 0x003000 + (chid * 8), 0xc0000000 | base->addr >> 12);
+
+	if (chan->state == STOPPED && (chan->state = RUNNING) == RUNNING) {
+		nvkm_wr32(device, 0x003004 + (chid * 8), 0x001f0001);
+		gf100_fifo_runlist_update(fifo);
+	}
+
+	return 0;
+}
+
+static int
+gf100_fifo_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+		     struct nvkm_oclass *oclass, void *data, u32 size,
+		     struct nvkm_object **pobject)
+{
+	union {
+		struct fermi_channel_gpfifo_v0 v0;
+	} *args = data;
+	struct gf100_fifo *fifo = (void *)engine;
+	struct gf100_fifo_base *base = (void *)parent;
+	struct gf100_fifo_chan *chan;
+	struct nvkm_gpuobj *ramfc = &base->base.gpuobj;
+	u64 usermem, ioffset, ilength;
+	int ret, i;
+
+	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, false)) {
+		nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx"
+				   "ioffset %016llx ilength %08x\n",
+			   args->v0.version, args->v0.vm, args->v0.ioffset,
+			   args->v0.ilength);
+		if (args->v0.vm)
+			return -ENOENT;
+	} else
+		return ret;
+
+	ret = nvkm_fifo_channel_create(parent, engine, oclass, 1,
+				       fifo->user.bar.offset, 0x1000, 0,
+				       (1ULL << NVDEV_ENGINE_SW) |
+				       (1ULL << NVDEV_ENGINE_GR) |
+				       (1ULL << NVDEV_ENGINE_CE0) |
+				       (1ULL << NVDEV_ENGINE_CE1) |
+				       (1ULL << NVDEV_ENGINE_MSVLD) |
+				       (1ULL << NVDEV_ENGINE_MSPDEC) |
+				       (1ULL << NVDEV_ENGINE_MSPPP), &chan);
+	*pobject = nv_object(chan);
+	if (ret)
+		return ret;
+
+	chan->base.inst = base->base.gpuobj.addr;
+	args->v0.chid = chan->base.chid;
+
+	nv_parent(chan)->context_attach = gf100_fifo_context_attach;
+	nv_parent(chan)->context_detach = gf100_fifo_context_detach;
+
+	usermem = chan->base.chid * 0x1000;
+	ioffset = args->v0.ioffset;
+	ilength = order_base_2(args->v0.ilength / 8);
+
+	nvkm_kmap(fifo->user.mem);
+	for (i = 0; i < 0x1000; i += 4)
+		nvkm_wo32(fifo->user.mem, usermem + i, 0x00000000);
+	nvkm_done(fifo->user.mem);
+	usermem = nvkm_memory_addr(fifo->user.mem) + usermem;
+
+	nvkm_kmap(ramfc);
+	nvkm_wo32(ramfc, 0x08, lower_32_bits(usermem));
+	nvkm_wo32(ramfc, 0x0c, upper_32_bits(usermem));
+	nvkm_wo32(ramfc, 0x10, 0x0000face);
+	nvkm_wo32(ramfc, 0x30, 0xfffff902);
+	nvkm_wo32(ramfc, 0x48, lower_32_bits(ioffset));
+	nvkm_wo32(ramfc, 0x4c, upper_32_bits(ioffset) | (ilength << 16));
+	nvkm_wo32(ramfc, 0x54, 0x00000002);
+	nvkm_wo32(ramfc, 0x84, 0x20400000);
+	nvkm_wo32(ramfc, 0x94, 0x30000001);
+	nvkm_wo32(ramfc, 0x9c, 0x00000100);
+	nvkm_wo32(ramfc, 0xa4, 0x1f1f1f1f);
+	nvkm_wo32(ramfc, 0xa8, 0x1f1f1f1f);
+	nvkm_wo32(ramfc, 0xac, 0x0000001f);
+	nvkm_wo32(ramfc, 0xb8, 0xf8000000);
+	nvkm_wo32(ramfc, 0xf8, 0x10003080); /* 0x002310 */
+	nvkm_wo32(ramfc, 0xfc, 0x10000010); /* 0x002350 */
+	nvkm_done(ramfc);
+	return 0;
+}
+
+static struct nvkm_ofuncs
+gf100_fifo_ofuncs = {
+	.ctor = gf100_fifo_chan_ctor,
+	.dtor = _nvkm_fifo_channel_dtor,
+	.init = gf100_fifo_chan_init,
+	.fini = gf100_fifo_chan_fini,
+	.map  = _nvkm_fifo_channel_map,
+	.rd32 = _nvkm_fifo_channel_rd32,
+	.wr32 = _nvkm_fifo_channel_wr32,
+	.ntfy = _nvkm_fifo_channel_ntfy
+};
+
+struct nvkm_oclass
+gf100_fifo_sclass[] = {
+	{ FERMI_CHANNEL_GPFIFO, &gf100_fifo_ofuncs },
+	{}
+};
+
+static int
+gf100_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+			struct nvkm_oclass *oclass, void *data, u32 size,
+			struct nvkm_object **pobject)
+{
+	struct nvkm_device *device = nv_engine(engine)->subdev.device;
+	struct gf100_fifo_base *base;
+	int ret;
+
+	ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x1000,
+				       0x1000, NVOBJ_FLAG_ZERO_ALLOC |
+				       NVOBJ_FLAG_HEAP, &base);
+	*pobject = nv_object(base);
+	if (ret)
+		return ret;
+
+	ret = nvkm_gpuobj_new(device, 0x10000, 0x1000, false, NULL, &base->pgd);
+	if (ret)
+		return ret;
+
+	nvkm_kmap(&base->base.gpuobj);
+	nvkm_wo32(&base->base.gpuobj, 0x0200, lower_32_bits(base->pgd->addr));
+	nvkm_wo32(&base->base.gpuobj, 0x0204, upper_32_bits(base->pgd->addr));
+	nvkm_wo32(&base->base.gpuobj, 0x0208, 0xffffffff);
+	nvkm_wo32(&base->base.gpuobj, 0x020c, 0x000000ff);
+	nvkm_done(&base->base.gpuobj);
+
+	ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static void
+gf100_fifo_context_dtor(struct nvkm_object *object)
+{
+	struct gf100_fifo_base *base = (void *)object;
+	nvkm_vm_ref(NULL, &base->vm, base->pgd);
+	nvkm_gpuobj_del(&base->pgd);
+	nvkm_fifo_context_destroy(&base->base);
+}
+
+struct nvkm_oclass
+gf100_fifo_cclass = {
+	.handle = NV_ENGCTX(FIFO, 0xc0),
+	.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = gf100_fifo_context_ctor,
+		.dtor = gf100_fifo_context_dtor,
+		.init = _nvkm_fifo_context_init,
+		.fini = _nvkm_fifo_context_fini,
+		.rd32 = _nvkm_fifo_context_rd32,
+		.wr32 = _nvkm_fifo_context_wr32,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
new file mode 100644
index 000000000000..264c9705bccc
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
@@ -0,0 +1,357 @@
+/*
+ * 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 "changk104.h"
+
+#include <core/client.h>
+#include <subdev/fb.h>
+#include <subdev/mmu.h>
+#include <subdev/timer.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+#define _(a,b) { (a), ((1ULL << (a)) | (b)) }
+static const struct {
+	u64 subdev;
+	u64 mask;
+} fifo_engine[] = {
+	_(NVDEV_ENGINE_GR      , (1ULL << NVDEV_ENGINE_SW) |
+				 (1ULL << NVDEV_ENGINE_CE2)),
+	_(NVDEV_ENGINE_MSPDEC  , 0),
+	_(NVDEV_ENGINE_MSPPP   , 0),
+	_(NVDEV_ENGINE_MSVLD   , 0),
+	_(NVDEV_ENGINE_CE0     , 0),
+	_(NVDEV_ENGINE_CE1     , 0),
+	_(NVDEV_ENGINE_MSENC   , 0),
+};
+#undef _
+#define FIFO_ENGINE_NR ARRAY_SIZE(fifo_engine)
+
+static int
+gk104_fifo_chan_kick(struct gk104_fifo_chan *chan)
+{
+	struct nvkm_object *obj = (void *)chan;
+	struct gk104_fifo *fifo = (void *)obj->engine;
+	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+
+	nvkm_wr32(device, 0x002634, chan->base.chid);
+	if (nvkm_msec(device, 2000,
+		if (!(nvkm_rd32(device, 0x002634) & 0x00100000))
+			break;
+	) < 0) {
+		nvkm_error(subdev, "channel %d [%s] kick timeout\n",
+			   chan->base.chid, nvkm_client_name(chan));
+		return -EBUSY;
+	}
+
+	return 0;
+}
+
+static int
+gk104_fifo_context_detach(struct nvkm_object *parent, bool suspend,
+			  struct nvkm_object *object)
+{
+	struct gk104_fifo_base *base = (void *)parent->parent;
+	struct gk104_fifo_chan *chan = (void *)parent;
+	struct nvkm_gpuobj *engn = &base->base.gpuobj;
+	u32 addr;
+	int ret;
+
+	switch (nv_engidx(object->engine)) {
+	case NVDEV_ENGINE_SW    : return 0;
+	case NVDEV_ENGINE_CE0   :
+	case NVDEV_ENGINE_CE1   :
+	case NVDEV_ENGINE_CE2   : addr = 0x0000; break;
+	case NVDEV_ENGINE_GR    : addr = 0x0210; break;
+	case NVDEV_ENGINE_MSVLD : addr = 0x0270; break;
+	case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break;
+	case NVDEV_ENGINE_MSPPP : addr = 0x0260; break;
+	default:
+		return -EINVAL;
+	}
+
+	ret = gk104_fifo_chan_kick(chan);
+	if (ret && suspend)
+		return ret;
+
+	if (addr) {
+		nvkm_kmap(engn);
+		nvkm_wo32(engn, addr + 0x00, 0x00000000);
+		nvkm_wo32(engn, addr + 0x04, 0x00000000);
+		nvkm_done(engn);
+	}
+
+	return 0;
+}
+
+static int
+gk104_fifo_context_attach(struct nvkm_object *parent,
+			  struct nvkm_object *object)
+{
+	struct gk104_fifo_base *base = (void *)parent->parent;
+	struct nvkm_gpuobj *engn = &base->base.gpuobj;
+	struct nvkm_engctx *ectx = (void *)object;
+	u32 addr;
+	int ret;
+
+	switch (nv_engidx(object->engine)) {
+	case NVDEV_ENGINE_SW   :
+		return 0;
+	case NVDEV_ENGINE_CE0:
+	case NVDEV_ENGINE_CE1:
+	case NVDEV_ENGINE_CE2:
+		nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
+		return 0;
+	case NVDEV_ENGINE_GR    : addr = 0x0210; break;
+	case NVDEV_ENGINE_MSVLD : addr = 0x0270; break;
+	case NVDEV_ENGINE_MSPDEC: addr = 0x0250; break;
+	case NVDEV_ENGINE_MSPPP : addr = 0x0260; break;
+	default:
+		return -EINVAL;
+	}
+
+	if (!ectx->vma.node) {
+		ret = nvkm_gpuobj_map(nv_gpuobj(ectx), base->vm,
+				      NV_MEM_ACCESS_RW, &ectx->vma);
+		if (ret)
+			return ret;
+
+		nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
+	}
+
+	nvkm_kmap(engn);
+	nvkm_wo32(engn, addr + 0x00, lower_32_bits(ectx->vma.offset) | 4);
+	nvkm_wo32(engn, addr + 0x04, upper_32_bits(ectx->vma.offset));
+	nvkm_done(engn);
+	return 0;
+}
+
+static int
+gk104_fifo_chan_fini(struct nvkm_object *object, bool suspend)
+{
+	struct gk104_fifo *fifo = (void *)object->engine;
+	struct gk104_fifo_chan *chan = (void *)object;
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	u32 chid = chan->base.chid;
+
+	if (chan->state == RUNNING && (chan->state = STOPPED) == STOPPED) {
+		nvkm_mask(device, 0x800004 + (chid * 8), 0x00000800, 0x00000800);
+		gk104_fifo_runlist_update(fifo, chan->engine);
+	}
+
+	nvkm_wr32(device, 0x800000 + (chid * 8), 0x00000000);
+	return nvkm_fifo_channel_fini(&chan->base, suspend);
+}
+
+static int
+gk104_fifo_chan_init(struct nvkm_object *object)
+{
+	struct nvkm_gpuobj *base = nv_gpuobj(object->parent);
+	struct gk104_fifo *fifo = (void *)object->engine;
+	struct gk104_fifo_chan *chan = (void *)object;
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	u32 chid = chan->base.chid;
+	int ret;
+
+	ret = nvkm_fifo_channel_init(&chan->base);
+	if (ret)
+		return ret;
+
+	nvkm_mask(device, 0x800004 + (chid * 8), 0x000f0000, chan->engine << 16);
+	nvkm_wr32(device, 0x800000 + (chid * 8), 0x80000000 | base->addr >> 12);
+
+	if (chan->state == STOPPED && (chan->state = RUNNING) == RUNNING) {
+		nvkm_mask(device, 0x800004 + (chid * 8), 0x00000400, 0x00000400);
+		gk104_fifo_runlist_update(fifo, chan->engine);
+		nvkm_mask(device, 0x800004 + (chid * 8), 0x00000400, 0x00000400);
+	}
+
+	return 0;
+}
+
+static int
+gk104_fifo_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+		     struct nvkm_oclass *oclass, void *data, u32 size,
+		     struct nvkm_object **pobject)
+{
+	union {
+		struct kepler_channel_gpfifo_a_v0 v0;
+	} *args = data;
+	struct gk104_fifo *fifo = (void *)engine;
+	struct gk104_fifo_base *base = (void *)parent;
+	struct gk104_fifo_chan *chan;
+	struct nvkm_gpuobj *ramfc = &base->base.gpuobj;
+	u64 usermem, ioffset, ilength;
+	u32 engines;
+	int ret, i;
+
+	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, false)) {
+		nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx"
+				   "ioffset %016llx ilength %08x engine %08x\n",
+			   args->v0.version, args->v0.vm, args->v0.ioffset,
+			   args->v0.ilength, args->v0.engine);
+		if (args->v0.vm)
+			return -ENOENT;
+	} else
+		return ret;
+
+	for (i = 0, engines = 0; i < FIFO_ENGINE_NR; i++) {
+		if (!nvkm_engine(parent, fifo_engine[i].subdev))
+			continue;
+		engines |= (1 << i);
+	}
+
+	if (!args->v0.engine) {
+		static struct nvkm_oclass oclass = {
+			.ofuncs = &nvkm_object_ofuncs,
+		};
+		args->v0.engine = engines;
+		return nvkm_object_old(parent, engine, &oclass, NULL, 0, pobject);
+	}
+
+	engines &= args->v0.engine;
+	if (!engines) {
+		nvif_ioctl(parent, "unsupported engines %08x\n",
+			   args->v0.engine);
+		return -ENODEV;
+	}
+	i = __ffs(engines);
+
+	ret = nvkm_fifo_channel_create(parent, engine, oclass, 1,
+				       fifo->user.bar.offset, 0x200, 0,
+				       fifo_engine[i].mask, &chan);
+	*pobject = nv_object(chan);
+	if (ret)
+		return ret;
+
+	chan->base.inst = base->base.gpuobj.addr;
+	args->v0.chid = chan->base.chid;
+
+	nv_parent(chan)->context_attach = gk104_fifo_context_attach;
+	nv_parent(chan)->context_detach = gk104_fifo_context_detach;
+	chan->engine = i;
+
+	usermem = chan->base.chid * 0x200;
+	ioffset = args->v0.ioffset;
+	ilength = order_base_2(args->v0.ilength / 8);
+
+	nvkm_kmap(fifo->user.mem);
+	for (i = 0; i < 0x200; i += 4)
+		nvkm_wo32(fifo->user.mem, usermem + i, 0x00000000);
+	nvkm_done(fifo->user.mem);
+	usermem = nvkm_memory_addr(fifo->user.mem) + usermem;
+
+	nvkm_kmap(ramfc);
+	nvkm_wo32(ramfc, 0x08, lower_32_bits(usermem));
+	nvkm_wo32(ramfc, 0x0c, upper_32_bits(usermem));
+	nvkm_wo32(ramfc, 0x10, 0x0000face);
+	nvkm_wo32(ramfc, 0x30, 0xfffff902);
+	nvkm_wo32(ramfc, 0x48, lower_32_bits(ioffset));
+	nvkm_wo32(ramfc, 0x4c, upper_32_bits(ioffset) | (ilength << 16));
+	nvkm_wo32(ramfc, 0x84, 0x20400000);
+	nvkm_wo32(ramfc, 0x94, 0x30000001);
+	nvkm_wo32(ramfc, 0x9c, 0x00000100);
+	nvkm_wo32(ramfc, 0xac, 0x0000001f);
+	nvkm_wo32(ramfc, 0xe8, chan->base.chid);
+	nvkm_wo32(ramfc, 0xb8, 0xf8000000);
+	nvkm_wo32(ramfc, 0xf8, 0x10003080); /* 0x002310 */
+	nvkm_wo32(ramfc, 0xfc, 0x10000010); /* 0x002350 */
+	nvkm_done(ramfc);
+	return 0;
+}
+
+struct nvkm_ofuncs
+gk104_fifo_chan_ofuncs = {
+	.ctor = gk104_fifo_chan_ctor,
+	.dtor = _nvkm_fifo_channel_dtor,
+	.init = gk104_fifo_chan_init,
+	.fini = gk104_fifo_chan_fini,
+	.map  = _nvkm_fifo_channel_map,
+	.rd32 = _nvkm_fifo_channel_rd32,
+	.wr32 = _nvkm_fifo_channel_wr32,
+	.ntfy = _nvkm_fifo_channel_ntfy
+};
+
+struct nvkm_oclass
+gk104_fifo_sclass[] = {
+	{ KEPLER_CHANNEL_GPFIFO_A, &gk104_fifo_chan_ofuncs },
+	{}
+};
+
+static int
+gk104_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+			struct nvkm_oclass *oclass, void *data, u32 size,
+			struct nvkm_object **pobject)
+{
+	struct nvkm_device *device = nv_engine(engine)->subdev.device;
+	struct gk104_fifo_base *base;
+	int ret;
+
+	ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x1000,
+				       0x1000, NVOBJ_FLAG_ZERO_ALLOC, &base);
+	*pobject = nv_object(base);
+	if (ret)
+		return ret;
+
+	ret = nvkm_gpuobj_new(device, 0x10000, 0x1000, false, NULL, &base->pgd);
+	if (ret)
+		return ret;
+
+	nvkm_kmap(&base->base.gpuobj);
+	nvkm_wo32(&base->base.gpuobj, 0x0200, lower_32_bits(base->pgd->addr));
+	nvkm_wo32(&base->base.gpuobj, 0x0204, upper_32_bits(base->pgd->addr));
+	nvkm_wo32(&base->base.gpuobj, 0x0208, 0xffffffff);
+	nvkm_wo32(&base->base.gpuobj, 0x020c, 0x000000ff);
+	nvkm_done(&base->base.gpuobj);
+
+	ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static void
+gk104_fifo_context_dtor(struct nvkm_object *object)
+{
+	struct gk104_fifo_base *base = (void *)object;
+	nvkm_vm_ref(NULL, &base->vm, base->pgd);
+	nvkm_gpuobj_del(&base->pgd);
+	nvkm_fifo_context_destroy(&base->base);
+}
+
+struct nvkm_oclass
+gk104_fifo_cclass = {
+	.handle = NV_ENGCTX(FIFO, 0xe0),
+	.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = gk104_fifo_context_ctor,
+		.dtor = gk104_fifo_context_dtor,
+		.init = _nvkm_fifo_context_init,
+		.fini = _nvkm_fifo_context_fini,
+		.rd32 = _nvkm_fifo_context_rd32,
+		.wr32 = _nvkm_fifo_context_wr32,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogm204.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogm204.c
new file mode 100644
index 000000000000..7beee1f8729a
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogm204.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2015 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 "changk104.h"
+
+#include <nvif/class.h>
+
+struct nvkm_oclass
+gm204_fifo_sclass[] = {
+	{ MAXWELL_CHANNEL_GPFIFO_A, &gk104_fifo_chan_ofuncs },
+	{}
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifonv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifonv50.c
new file mode 100644
index 000000000000..ca7de9a6d67f
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifonv50.c
@@ -0,0 +1,110 @@
+/*
+ * 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 "channv50.h"
+
+#include <core/client.h>
+#include <core/ramht.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+static int
+nv50_fifo_chan_ctor_ind(struct nvkm_object *parent, struct nvkm_object *engine,
+			struct nvkm_oclass *oclass, void *data, u32 size,
+			struct nvkm_object **pobject)
+{
+	union {
+		struct nv50_channel_gpfifo_v0 v0;
+	} *args = data;
+	struct nvkm_device *device = parent->engine->subdev.device;
+	struct nv50_fifo_base *base = (void *)parent;
+	struct nv50_fifo_chan *chan;
+	u64 ioffset, ilength;
+	int ret;
+
+	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, false)) {
+		nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx "
+				   "pushbuf %llx ioffset %016llx "
+				   "ilength %08x\n",
+			   args->v0.version, args->v0.vm, args->v0.pushbuf,
+			   args->v0.ioffset, args->v0.ilength);
+		if (args->v0.vm)
+			return -ENOENT;
+	} else
+		return ret;
+
+	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
+				       0x2000, args->v0.pushbuf,
+				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
+				       (1ULL << NVDEV_ENGINE_SW) |
+				       (1ULL << NVDEV_ENGINE_GR) |
+				       (1ULL << NVDEV_ENGINE_MPEG), &chan);
+	*pobject = nv_object(chan);
+	if (ret)
+		return ret;
+
+	chan->base.inst = base->base.gpuobj.addr;
+	args->v0.chid = chan->base.chid;
+
+	nv_parent(chan)->context_attach = nv50_fifo_context_attach;
+	nv_parent(chan)->context_detach = nv50_fifo_context_detach;
+	nv_parent(chan)->object_attach = nv50_fifo_object_attach;
+	nv_parent(chan)->object_detach = nv50_fifo_object_detach;
+
+	ret = nvkm_ramht_new(device, 0x8000, 16, &base->base.gpuobj,
+			     &chan->ramht);
+	if (ret)
+		return ret;
+
+	ioffset = args->v0.ioffset;
+	ilength = order_base_2(args->v0.ilength / 8);
+
+	nvkm_kmap(base->ramfc);
+	nvkm_wo32(base->ramfc, 0x3c, 0x403f6078);
+	nvkm_wo32(base->ramfc, 0x44, 0x01003fff);
+	nvkm_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4);
+	nvkm_wo32(base->ramfc, 0x50, lower_32_bits(ioffset));
+	nvkm_wo32(base->ramfc, 0x54, upper_32_bits(ioffset) | (ilength << 16));
+	nvkm_wo32(base->ramfc, 0x60, 0x7fffffff);
+	nvkm_wo32(base->ramfc, 0x78, 0x00000000);
+	nvkm_wo32(base->ramfc, 0x7c, 0x30000001);
+	nvkm_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
+				     (4 << 24) /* SEARCH_FULL */ |
+				     (chan->ramht->gpuobj->node->offset >> 4));
+	nvkm_done(base->ramfc);
+	return 0;
+}
+
+struct nvkm_ofuncs
+nv50_fifo_ofuncs_ind = {
+	.ctor = nv50_fifo_chan_ctor_ind,
+	.dtor = nv50_fifo_chan_dtor,
+	.init = nv50_fifo_chan_init,
+	.fini = nv50_fifo_chan_fini,
+	.map  = _nvkm_fifo_channel_map,
+	.rd32 = _nvkm_fifo_channel_rd32,
+	.wr32 = _nvkm_fifo_channel_wr32,
+	.ntfy = _nvkm_fifo_channel_ntfy
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c
index 8bdb71f5f1c5..d880cfa6de9e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c
@@ -22,18 +22,15 @@
  * Authors: Ben Skeggs
  */
 #include "nv04.h"
+#include "channv04.h"
+#include "regsnv04.h"
 
-#include <core/client.h>
-#include <core/engctx.h>
 #include <core/handle.h>
 #include <core/ramht.h>
 #include <subdev/instmem.h>
 #include <subdev/timer.h>
 #include <engine/sw.h>
 
-#include <nvif/class.h>
-#include <nvif/unpack.h>
-
 static struct ramfc_desc
 nv04_ramfc[] = {
 	{ 32,  0, 0x00,  0, NV04_PFIFO_CACHE1_DMA_PUT },
@@ -47,268 +44,6 @@ nv04_ramfc[] = {
 	{}
 };
 
-/*******************************************************************************
- * FIFO channel objects
- ******************************************************************************/
-
-int
-nv04_fifo_object_attach(struct nvkm_object *parent,
-			struct nvkm_object *object, u32 handle)
-{
-	struct nv04_fifo *fifo = (void *)parent->engine;
-	struct nv04_fifo_chan *chan = (void *)parent;
-	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
-	u32 context, chid = chan->base.chid;
-	int ret;
-
-	if (nv_iclass(object, NV_GPUOBJ_CLASS))
-		context = nv_gpuobj(object)->addr >> 4;
-	else
-		context = 0x00000004; /* just non-zero */
-
-	if (object->engine) {
-		switch (nv_engidx(object->engine)) {
-		case NVDEV_ENGINE_DMAOBJ:
-		case NVDEV_ENGINE_SW:
-			context |= 0x00000000;
-			break;
-		case NVDEV_ENGINE_GR:
-			context |= 0x00010000;
-			break;
-		case NVDEV_ENGINE_MPEG:
-			context |= 0x00020000;
-			break;
-		default:
-			return -EINVAL;
-		}
-	}
-
-	context |= 0x80000000; /* valid */
-	context |= chid << 24;
-
-	mutex_lock(&nv_subdev(fifo)->mutex);
-	ret = nvkm_ramht_insert(imem->ramht, NULL, chid, 0, handle, context);
-	mutex_unlock(&nv_subdev(fifo)->mutex);
-	return ret;
-}
-
-void
-nv04_fifo_object_detach(struct nvkm_object *parent, int cookie)
-{
-	struct nv04_fifo *fifo = (void *)parent->engine;
-	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
-	mutex_lock(&nv_subdev(fifo)->mutex);
-	nvkm_ramht_remove(imem->ramht, cookie);
-	mutex_unlock(&nv_subdev(fifo)->mutex);
-}
-
-int
-nv04_fifo_context_attach(struct nvkm_object *parent,
-			 struct nvkm_object *object)
-{
-	nv_engctx(object)->addr = nvkm_fifo_chan(parent)->chid;
-	return 0;
-}
-
-static int
-nv04_fifo_chan_ctor(struct nvkm_object *parent,
-		    struct nvkm_object *engine,
-		    struct nvkm_oclass *oclass, void *data, u32 size,
-		    struct nvkm_object **pobject)
-{
-	union {
-		struct nv03_channel_dma_v0 v0;
-	} *args = data;
-	struct nv04_fifo *fifo = (void *)engine;
-	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
-	struct nv04_fifo_chan *chan;
-	int ret;
-
-	nvif_ioctl(parent, "create channel dma size %d\n", size);
-	if (nvif_unpack(args->v0, 0, 0, false)) {
-		nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
-				   "offset %08x\n", args->v0.version,
-			   args->v0.pushbuf, args->v0.offset);
-	} else
-		return ret;
-
-	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0x800000,
-				       0x10000, args->v0.pushbuf,
-				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
-				       (1ULL << NVDEV_ENGINE_SW) |
-				       (1ULL << NVDEV_ENGINE_GR), &chan);
-	*pobject = nv_object(chan);
-	if (ret)
-		return ret;
-
-	args->v0.chid = chan->base.chid;
-
-	nv_parent(chan)->object_attach = nv04_fifo_object_attach;
-	nv_parent(chan)->object_detach = nv04_fifo_object_detach;
-	nv_parent(chan)->context_attach = nv04_fifo_context_attach;
-	chan->ramfc = chan->base.chid * 32;
-
-	nvkm_kmap(imem->ramfc);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x00, args->v0.offset);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x04, args->v0.offset);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x08, chan->base.pushgpu->addr >> 4);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x10,
-			     NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
-			     NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
-#ifdef __BIG_ENDIAN
-			     NV_PFIFO_CACHE1_BIG_ENDIAN |
-#endif
-			     NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
-	nvkm_done(imem->ramfc);
-	return 0;
-}
-
-void
-nv04_fifo_chan_dtor(struct nvkm_object *object)
-{
-	struct nv04_fifo *fifo = (void *)object->engine;
-	struct nv04_fifo_chan *chan = (void *)object;
-	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
-	struct ramfc_desc *c = fifo->ramfc_desc;
-
-	nvkm_kmap(imem->ramfc);
-	do {
-		nvkm_wo32(imem->ramfc, chan->ramfc + c->ctxp, 0x00000000);
-	} while ((++c)->bits);
-	nvkm_done(imem->ramfc);
-
-	nvkm_fifo_channel_destroy(&chan->base);
-}
-
-int
-nv04_fifo_chan_init(struct nvkm_object *object)
-{
-	struct nv04_fifo *fifo = (void *)object->engine;
-	struct nv04_fifo_chan *chan = (void *)object;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	u32 mask = 1 << chan->base.chid;
-	unsigned long flags;
-	int ret;
-
-	ret = nvkm_fifo_channel_init(&chan->base);
-	if (ret)
-		return ret;
-
-	spin_lock_irqsave(&fifo->base.lock, flags);
-	nvkm_mask(device, NV04_PFIFO_MODE, mask, mask);
-	spin_unlock_irqrestore(&fifo->base.lock, flags);
-	return 0;
-}
-
-int
-nv04_fifo_chan_fini(struct nvkm_object *object, bool suspend)
-{
-	struct nv04_fifo *fifo = (void *)object->engine;
-	struct nv04_fifo_chan *chan = (void *)object;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	struct nvkm_memory *fctx = device->imem->ramfc;
-	struct ramfc_desc *c;
-	unsigned long flags;
-	u32 data = chan->ramfc;
-	u32 chid;
-
-	/* prevent fifo context switches */
-	spin_lock_irqsave(&fifo->base.lock, flags);
-	nvkm_wr32(device, NV03_PFIFO_CACHES, 0);
-
-	/* if this channel is active, replace it with a null context */
-	chid = nvkm_rd32(device, NV03_PFIFO_CACHE1_PUSH1) & fifo->base.max;
-	if (chid == chan->base.chid) {
-		nvkm_mask(device, NV04_PFIFO_CACHE1_DMA_PUSH, 0x00000001, 0);
-		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 0);
-		nvkm_mask(device, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0);
-
-		c = fifo->ramfc_desc;
-		do {
-			u32 rm = ((1ULL << c->bits) - 1) << c->regs;
-			u32 cm = ((1ULL << c->bits) - 1) << c->ctxs;
-			u32 rv = (nvkm_rd32(device, c->regp) &  rm) >> c->regs;
-			u32 cv = (nvkm_ro32(fctx, c->ctxp + data) & ~cm);
-			nvkm_wo32(fctx, c->ctxp + data, cv | (rv << c->ctxs));
-		} while ((++c)->bits);
-
-		c = fifo->ramfc_desc;
-		do {
-			nvkm_wr32(device, c->regp, 0x00000000);
-		} while ((++c)->bits);
-
-		nvkm_wr32(device, NV03_PFIFO_CACHE1_GET, 0);
-		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUT, 0);
-		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, fifo->base.max);
-		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 1);
-		nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1);
-	}
-
-	/* restore normal operation, after disabling dma mode */
-	nvkm_mask(device, NV04_PFIFO_MODE, 1 << chan->base.chid, 0);
-	nvkm_wr32(device, NV03_PFIFO_CACHES, 1);
-	spin_unlock_irqrestore(&fifo->base.lock, flags);
-
-	return nvkm_fifo_channel_fini(&chan->base, suspend);
-}
-
-static struct nvkm_ofuncs
-nv04_fifo_ofuncs = {
-	.ctor = nv04_fifo_chan_ctor,
-	.dtor = nv04_fifo_chan_dtor,
-	.init = nv04_fifo_chan_init,
-	.fini = nv04_fifo_chan_fini,
-	.map  = _nvkm_fifo_channel_map,
-	.rd32 = _nvkm_fifo_channel_rd32,
-	.wr32 = _nvkm_fifo_channel_wr32,
-	.ntfy = _nvkm_fifo_channel_ntfy
-};
-
-static struct nvkm_oclass
-nv04_fifo_sclass[] = {
-	{ NV03_CHANNEL_DMA, &nv04_fifo_ofuncs },
-	{}
-};
-
-/*******************************************************************************
- * FIFO context - basically just the instmem reserved for the channel
- ******************************************************************************/
-
-int
-nv04_fifo_context_ctor(struct nvkm_object *parent,
-		       struct nvkm_object *engine,
-		       struct nvkm_oclass *oclass, void *data, u32 size,
-		       struct nvkm_object **pobject)
-{
-	struct nv04_fifo_base *base;
-	int ret;
-
-	ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x1000,
-				       0x1000, NVOBJ_FLAG_HEAP, &base);
-	*pobject = nv_object(base);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
-static struct nvkm_oclass
-nv04_fifo_cclass = {
-	.handle = NV_ENGCTX(FIFO, 0x04),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fifo_context_ctor,
-		.dtor = _nvkm_fifo_context_dtor,
-		.init = _nvkm_fifo_context_init,
-		.fini = _nvkm_fifo_context_fini,
-		.rd32 = _nvkm_fifo_context_rd32,
-		.wr32 = _nvkm_fifo_context_wr32,
-	},
-};
-
-/*******************************************************************************
- * PFIFO engine
- ******************************************************************************/
-
 void
 nv04_fifo_pause(struct nvkm_fifo *obj, unsigned long *pflags)
 __acquires(fifo->base.lock)
@@ -552,36 +287,6 @@ nv04_fifo_intr(struct nvkm_subdev *subdev)
 	nvkm_wr32(device, NV03_PFIFO_CACHES, reassign);
 }
 
-static int
-nv04_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
-{
-	struct nv04_fifo *fifo;
-	int ret;
-
-	ret = nvkm_fifo_create(parent, engine, oclass, 0, 15, &fifo);
-	*pobject = nv_object(fifo);
-	if (ret)
-		return ret;
-
-	nv_subdev(fifo)->unit = 0x00000100;
-	nv_subdev(fifo)->intr = nv04_fifo_intr;
-	nv_engine(fifo)->cclass = &nv04_fifo_cclass;
-	nv_engine(fifo)->sclass = nv04_fifo_sclass;
-	fifo->base.pause = nv04_fifo_pause;
-	fifo->base.start = nv04_fifo_start;
-	fifo->ramfc_desc = nv04_ramfc;
-	return 0;
-}
-
-void
-nv04_fifo_dtor(struct nvkm_object *object)
-{
-	struct nv04_fifo *fifo = (void *)object;
-	nvkm_fifo_destroy(&fifo->base);
-}
-
 int
 nv04_fifo_init(struct nvkm_object *object)
 {
@@ -617,6 +322,36 @@ nv04_fifo_init(struct nvkm_object *object)
 	return 0;
 }
 
+void
+nv04_fifo_dtor(struct nvkm_object *object)
+{
+	struct nv04_fifo *fifo = (void *)object;
+	nvkm_fifo_destroy(&fifo->base);
+}
+
+static int
+nv04_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+	       struct nvkm_oclass *oclass, void *data, u32 size,
+	       struct nvkm_object **pobject)
+{
+	struct nv04_fifo *fifo;
+	int ret;
+
+	ret = nvkm_fifo_create(parent, engine, oclass, 0, 15, &fifo);
+	*pobject = nv_object(fifo);
+	if (ret)
+		return ret;
+
+	nv_subdev(fifo)->unit = 0x00000100;
+	nv_subdev(fifo)->intr = nv04_fifo_intr;
+	nv_engine(fifo)->cclass = &nv04_fifo_cclass;
+	nv_engine(fifo)->sclass = nv04_fifo_sclass;
+	fifo->base.pause = nv04_fifo_pause;
+	fifo->base.start = nv04_fifo_start;
+	fifo->ramfc_desc = nv04_ramfc;
+	return 0;
+}
+
 struct nvkm_oclass *
 nv04_fifo_oclass = &(struct nvkm_oclass) {
 	.handle = NV_ENGINE(FIFO, 0x04),
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h
index c7ce656eca7b..5cde3310ee4d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h
@@ -1,135 +1,6 @@
 #ifndef __NV04_FIFO_H__
 #define __NV04_FIFO_H__
-#include <engine/fifo.h>
-
-#define NV04_PFIFO_DELAY_0                                 0x00002040
-#define NV04_PFIFO_DMA_TIMESLICE                           0x00002044
-#define NV04_PFIFO_NEXT_CHANNEL                            0x00002050
-#define NV03_PFIFO_INTR_0                                  0x00002100
-#define NV03_PFIFO_INTR_EN_0                               0x00002140
-#    define NV_PFIFO_INTR_CACHE_ERROR                          (1<<0)
-#    define NV_PFIFO_INTR_RUNOUT                               (1<<4)
-#    define NV_PFIFO_INTR_RUNOUT_OVERFLOW                      (1<<8)
-#    define NV_PFIFO_INTR_DMA_PUSHER                          (1<<12)
-#    define NV_PFIFO_INTR_DMA_PT                              (1<<16)
-#    define NV_PFIFO_INTR_SEMAPHORE                           (1<<20)
-#    define NV_PFIFO_INTR_ACQUIRE_TIMEOUT                     (1<<24)
-#define NV03_PFIFO_RAMHT                                   0x00002210
-#define NV03_PFIFO_RAMFC                                   0x00002214
-#define NV03_PFIFO_RAMRO                                   0x00002218
-#define NV40_PFIFO_RAMFC                                   0x00002220
-#define NV03_PFIFO_CACHES                                  0x00002500
-#define NV04_PFIFO_MODE                                    0x00002504
-#define NV04_PFIFO_DMA                                     0x00002508
-#define NV04_PFIFO_SIZE                                    0x0000250c
-#define NV50_PFIFO_CTX_TABLE(c)                        (0x2600+(c)*4)
-#define NV50_PFIFO_CTX_TABLE__SIZE                                128
-#define NV50_PFIFO_CTX_TABLE_CHANNEL_ENABLED                  (1<<31)
-#define NV50_PFIFO_CTX_TABLE_UNK30_BAD                        (1<<30)
-#define NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G80             0x0FFFFFFF
-#define NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G84             0x00FFFFFF
-#define NV03_PFIFO_CACHE0_PUSH0                            0x00003000
-#define NV03_PFIFO_CACHE0_PULL0                            0x00003040
-#define NV04_PFIFO_CACHE0_PULL0                            0x00003050
-#define NV04_PFIFO_CACHE0_PULL1                            0x00003054
-#define NV03_PFIFO_CACHE1_PUSH0                            0x00003200
-#define NV03_PFIFO_CACHE1_PUSH1                            0x00003204
-#define NV03_PFIFO_CACHE1_PUSH1_DMA                            (1<<8)
-#define NV40_PFIFO_CACHE1_PUSH1_DMA                           (1<<16)
-#define NV03_PFIFO_CACHE1_PUSH1_CHID_MASK                  0x0000000f
-#define NV10_PFIFO_CACHE1_PUSH1_CHID_MASK                  0x0000001f
-#define NV50_PFIFO_CACHE1_PUSH1_CHID_MASK                  0x0000007f
-#define NV03_PFIFO_CACHE1_PUT                              0x00003210
-#define NV04_PFIFO_CACHE1_DMA_PUSH                         0x00003220
-#define NV04_PFIFO_CACHE1_DMA_FETCH                        0x00003224
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_8_BYTES         0x00000000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_16_BYTES        0x00000008
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_24_BYTES        0x00000010
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_32_BYTES        0x00000018
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_40_BYTES        0x00000020
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_48_BYTES        0x00000028
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_56_BYTES        0x00000030
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_64_BYTES        0x00000038
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_72_BYTES        0x00000040
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_80_BYTES        0x00000048
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_88_BYTES        0x00000050
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_96_BYTES        0x00000058
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_104_BYTES       0x00000060
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_112_BYTES       0x00000068
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_120_BYTES       0x00000070
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES       0x00000078
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_136_BYTES       0x00000080
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_144_BYTES       0x00000088
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_152_BYTES       0x00000090
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_160_BYTES       0x00000098
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_168_BYTES       0x000000A0
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_176_BYTES       0x000000A8
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_184_BYTES       0x000000B0
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_192_BYTES       0x000000B8
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_200_BYTES       0x000000C0
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_208_BYTES       0x000000C8
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_216_BYTES       0x000000D0
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_224_BYTES       0x000000D8
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_232_BYTES       0x000000E0
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_240_BYTES       0x000000E8
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_248_BYTES       0x000000F0
-#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_256_BYTES       0x000000F8
-#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE                 0x0000E000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_32_BYTES        0x00000000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_64_BYTES        0x00002000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_96_BYTES        0x00004000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES       0x00006000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_160_BYTES       0x00008000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_192_BYTES       0x0000A000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_224_BYTES       0x0000C000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_256_BYTES       0x0000E000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS             0x001F0000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_0           0x00000000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_1           0x00010000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_2           0x00020000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_3           0x00030000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_4           0x00040000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_5           0x00050000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_6           0x00060000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_7           0x00070000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8           0x00080000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_9           0x00090000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_10          0x000A0000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_11          0x000B0000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_12          0x000C0000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_13          0x000D0000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_14          0x000E0000
-#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_15          0x000F0000
-#    define NV_PFIFO_CACHE1_ENDIAN                         0x80000000
-#    define NV_PFIFO_CACHE1_LITTLE_ENDIAN                  0x7FFFFFFF
-#    define NV_PFIFO_CACHE1_BIG_ENDIAN                     0x80000000
-#define NV04_PFIFO_CACHE1_DMA_STATE                        0x00003228
-#define NV04_PFIFO_CACHE1_DMA_INSTANCE                     0x0000322c
-#define NV04_PFIFO_CACHE1_DMA_CTL                          0x00003230
-#define NV04_PFIFO_CACHE1_DMA_PUT                          0x00003240
-#define NV04_PFIFO_CACHE1_DMA_GET                          0x00003244
-#define NV10_PFIFO_CACHE1_REF_CNT                          0x00003248
-#define NV10_PFIFO_CACHE1_DMA_SUBROUTINE                   0x0000324C
-#define NV03_PFIFO_CACHE1_PULL0                            0x00003240
-#define NV04_PFIFO_CACHE1_PULL0                            0x00003250
-#    define NV04_PFIFO_CACHE1_PULL0_HASH_FAILED            0x00000010
-#    define NV04_PFIFO_CACHE1_PULL0_HASH_BUSY              0x00001000
-#define NV03_PFIFO_CACHE1_PULL1                            0x00003250
-#define NV04_PFIFO_CACHE1_PULL1                            0x00003254
-#define NV04_PFIFO_CACHE1_HASH                             0x00003258
-#define NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT                  0x00003260
-#define NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP                0x00003264
-#define NV10_PFIFO_CACHE1_ACQUIRE_VALUE                    0x00003268
-#define NV10_PFIFO_CACHE1_SEMAPHORE                        0x0000326C
-#define NV03_PFIFO_CACHE1_GET                              0x00003270
-#define NV04_PFIFO_CACHE1_ENGINE                           0x00003280
-#define NV04_PFIFO_CACHE1_DMA_DCOUNT                       0x000032A0
-#define NV40_PFIFO_GRCTX_INSTANCE                          0x000032E0
-#define NV40_PFIFO_UNK32E4                                 0x000032E4
-#define NV04_PFIFO_CACHE1_METHOD(i)                (0x00003800+(i*8))
-#define NV04_PFIFO_CACHE1_DATA(i)                  (0x00003804+(i*8))
-#define NV40_PFIFO_CACHE1_METHOD(i)                (0x00090000+(i*8))
-#define NV40_PFIFO_CACHE1_DATA(i)                  (0x00090004+(i*8))
+#include "priv.h"
 
 struct ramfc_desc {
 	unsigned bits:6;
@@ -148,25 +19,10 @@ struct nv04_fifo_base {
 	struct nvkm_fifo_base base;
 };
 
-struct nv04_fifo_chan {
-	struct nvkm_fifo_chan base;
-	u32 subc[8];
-	u32 ramfc;
-};
-
-int  nv04_fifo_object_attach(struct nvkm_object *, struct nvkm_object *, u32);
-void nv04_fifo_object_detach(struct nvkm_object *, int);
-
-void nv04_fifo_chan_dtor(struct nvkm_object *);
-int  nv04_fifo_chan_init(struct nvkm_object *);
-int  nv04_fifo_chan_fini(struct nvkm_object *, bool suspend);
-
 int  nv04_fifo_context_ctor(struct nvkm_object *, struct nvkm_object *,
 			    struct nvkm_oclass *, void *, u32,
 			    struct nvkm_object **);
 
 void nv04_fifo_dtor(struct nvkm_object *);
 int  nv04_fifo_init(struct nvkm_object *);
-void nv04_fifo_pause(struct nvkm_fifo *, unsigned long *);
-void nv04_fifo_start(struct nvkm_fifo *, unsigned long *);
 #endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv10.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv10.c
index 734c3a767873..ae0a1b17eb92 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv10.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv10.c
@@ -22,13 +22,8 @@
  * Authors: Ben Skeggs
  */
 #include "nv04.h"
-
-#include <core/client.h>
-#include <core/engctx.h>
-#include <subdev/instmem.h>
-
-#include <nvif/class.h>
-#include <nvif/unpack.h>
+#include "channv04.h"
+#include "regsnv04.h"
 
 static struct ramfc_desc
 nv10_ramfc[] = {
@@ -44,85 +39,6 @@ nv10_ramfc[] = {
 	{}
 };
 
-/*******************************************************************************
- * FIFO channel objects
- ******************************************************************************/
-
-static int
-nv10_fifo_chan_ctor(struct nvkm_object *parent,
-		    struct nvkm_object *engine,
-		    struct nvkm_oclass *oclass, void *data, u32 size,
-		    struct nvkm_object **pobject)
-{
-	union {
-		struct nv03_channel_dma_v0 v0;
-	} *args = data;
-	struct nv04_fifo *fifo = (void *)engine;
-	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
-	struct nv04_fifo_chan *chan;
-	int ret;
-
-	nvif_ioctl(parent, "create channel dma size %d\n", size);
-	if (nvif_unpack(args->v0, 0, 0, false)) {
-		nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
-				   "offset %08x\n", args->v0.version,
-			   args->v0.pushbuf, args->v0.offset);
-	} else
-		return ret;
-
-	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0x800000,
-				       0x10000, args->v0.pushbuf,
-				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
-				       (1ULL << NVDEV_ENGINE_SW) |
-				       (1ULL << NVDEV_ENGINE_GR), &chan);
-	*pobject = nv_object(chan);
-	if (ret)
-		return ret;
-
-	args->v0.chid = chan->base.chid;
-
-	nv_parent(chan)->object_attach = nv04_fifo_object_attach;
-	nv_parent(chan)->object_detach = nv04_fifo_object_detach;
-	nv_parent(chan)->context_attach = nv04_fifo_context_attach;
-	chan->ramfc = chan->base.chid * 32;
-
-	nvkm_kmap(imem->ramfc);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x00, args->v0.offset);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x04, args->v0.offset);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x0c, chan->base.pushgpu->addr >> 4);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x14,
-			     NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
-			     NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
-#ifdef __BIG_ENDIAN
-			     NV_PFIFO_CACHE1_BIG_ENDIAN |
-#endif
-			     NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
-	nvkm_done(imem->ramfc);
-	return 0;
-}
-
-static struct nvkm_ofuncs
-nv10_fifo_ofuncs = {
-	.ctor = nv10_fifo_chan_ctor,
-	.dtor = nv04_fifo_chan_dtor,
-	.init = nv04_fifo_chan_init,
-	.fini = nv04_fifo_chan_fini,
-	.map  = _nvkm_fifo_channel_map,
-	.rd32 = _nvkm_fifo_channel_rd32,
-	.wr32 = _nvkm_fifo_channel_wr32,
-	.ntfy = _nvkm_fifo_channel_ntfy
-};
-
-static struct nvkm_oclass
-nv10_fifo_sclass[] = {
-	{ NV10_CHANNEL_DMA, &nv10_fifo_ofuncs },
-	{}
-};
-
-/*******************************************************************************
- * FIFO context - basically just the instmem reserved for the channel
- ******************************************************************************/
-
 static struct nvkm_oclass
 nv10_fifo_cclass = {
 	.handle = NV_ENGCTX(FIFO, 0x10),
@@ -136,10 +52,6 @@ nv10_fifo_cclass = {
 	},
 };
 
-/*******************************************************************************
- * PFIFO engine
- ******************************************************************************/
-
 static int
 nv10_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	       struct nvkm_oclass *oclass, void *data, u32 size,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv17.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv17.c
index e27180435bff..ff2b6d95d804 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv17.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv17.c
@@ -22,15 +22,12 @@
  * Authors: Ben Skeggs
  */
 #include "nv04.h"
+#include "channv04.h"
+#include "regsnv04.h"
 
-#include <core/client.h>
-#include <core/engctx.h>
 #include <core/ramht.h>
 #include <subdev/instmem.h>
 
-#include <nvif/class.h>
-#include <nvif/unpack.h>
-
 static struct ramfc_desc
 nv17_ramfc[] = {
 	{ 32,  0, 0x00,  0, NV04_PFIFO_CACHE1_DMA_PUT },
@@ -50,87 +47,6 @@ nv17_ramfc[] = {
 	{}
 };
 
-/*******************************************************************************
- * FIFO channel objects
- ******************************************************************************/
-
-static int
-nv17_fifo_chan_ctor(struct nvkm_object *parent,
-		    struct nvkm_object *engine,
-		    struct nvkm_oclass *oclass, void *data, u32 size,
-		    struct nvkm_object **pobject)
-{
-	union {
-		struct nv03_channel_dma_v0 v0;
-	} *args = data;
-	struct nv04_fifo *fifo = (void *)engine;
-	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
-	struct nv04_fifo_chan *chan;
-	int ret;
-
-	nvif_ioctl(parent, "create channel dma size %d\n", size);
-	if (nvif_unpack(args->v0, 0, 0, false)) {
-		nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
-				   "offset %08x\n", args->v0.version,
-			   args->v0.pushbuf, args->v0.offset);
-	} else
-		return ret;
-
-	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0x800000,
-				       0x10000, args->v0.pushbuf,
-				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
-				       (1ULL << NVDEV_ENGINE_SW) |
-				       (1ULL << NVDEV_ENGINE_GR) |
-				       (1ULL << NVDEV_ENGINE_MPEG), /* NV31- */
-				       &chan);
-	*pobject = nv_object(chan);
-	if (ret)
-		return ret;
-
-	args->v0.chid = chan->base.chid;
-
-	nv_parent(chan)->object_attach = nv04_fifo_object_attach;
-	nv_parent(chan)->object_detach = nv04_fifo_object_detach;
-	nv_parent(chan)->context_attach = nv04_fifo_context_attach;
-	chan->ramfc = chan->base.chid * 64;
-
-	nvkm_kmap(imem->ramfc);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x00, args->v0.offset);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x04, args->v0.offset);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x0c, chan->base.pushgpu->addr >> 4);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x14,
-			     NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
-			     NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
-#ifdef __BIG_ENDIAN
-			     NV_PFIFO_CACHE1_BIG_ENDIAN |
-#endif
-			     NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
-	nvkm_done(imem->ramfc);
-	return 0;
-}
-
-static struct nvkm_ofuncs
-nv17_fifo_ofuncs = {
-	.ctor = nv17_fifo_chan_ctor,
-	.dtor = nv04_fifo_chan_dtor,
-	.init = nv04_fifo_chan_init,
-	.fini = nv04_fifo_chan_fini,
-	.map  = _nvkm_fifo_channel_map,
-	.rd32 = _nvkm_fifo_channel_rd32,
-	.wr32 = _nvkm_fifo_channel_wr32,
-	.ntfy = _nvkm_fifo_channel_ntfy
-};
-
-static struct nvkm_oclass
-nv17_fifo_sclass[] = {
-	{ NV17_CHANNEL_DMA, &nv17_fifo_ofuncs },
-	{}
-};
-
-/*******************************************************************************
- * FIFO context - basically just the instmem reserved for the channel
- ******************************************************************************/
-
 static struct nvkm_oclass
 nv17_fifo_cclass = {
 	.handle = NV_ENGCTX(FIFO, 0x17),
@@ -144,33 +60,6 @@ nv17_fifo_cclass = {
 	},
 };
 
-/*******************************************************************************
- * PFIFO engine
- ******************************************************************************/
-
-static int
-nv17_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
-{
-	struct nv04_fifo *fifo;
-	int ret;
-
-	ret = nvkm_fifo_create(parent, engine, oclass, 0, 31, &fifo);
-	*pobject = nv_object(fifo);
-	if (ret)
-		return ret;
-
-	nv_subdev(fifo)->unit = 0x00000100;
-	nv_subdev(fifo)->intr = nv04_fifo_intr;
-	nv_engine(fifo)->cclass = &nv17_fifo_cclass;
-	nv_engine(fifo)->sclass = nv17_fifo_sclass;
-	fifo->base.pause = nv04_fifo_pause;
-	fifo->base.start = nv04_fifo_start;
-	fifo->ramfc_desc = nv17_ramfc;
-	return 0;
-}
-
 static int
 nv17_fifo_init(struct nvkm_object *object)
 {
@@ -207,6 +96,29 @@ nv17_fifo_init(struct nvkm_object *object)
 	return 0;
 }
 
+static int
+nv17_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+	       struct nvkm_oclass *oclass, void *data, u32 size,
+	       struct nvkm_object **pobject)
+{
+	struct nv04_fifo *fifo;
+	int ret;
+
+	ret = nvkm_fifo_create(parent, engine, oclass, 0, 31, &fifo);
+	*pobject = nv_object(fifo);
+	if (ret)
+		return ret;
+
+	nv_subdev(fifo)->unit = 0x00000100;
+	nv_subdev(fifo)->intr = nv04_fifo_intr;
+	nv_engine(fifo)->cclass = &nv17_fifo_cclass;
+	nv_engine(fifo)->sclass = nv17_fifo_sclass;
+	fifo->base.pause = nv04_fifo_pause;
+	fifo->base.start = nv04_fifo_start;
+	fifo->ramfc_desc = nv17_ramfc;
+	return 0;
+}
+
 struct nvkm_oclass *
 nv17_fifo_oclass = &(struct nvkm_oclass) {
 	.handle = NV_ENGINE(FIFO, 0x17),
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c
index f2f0e3d74493..64be69fc9572 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c
@@ -22,16 +22,13 @@
  * Authors: Ben Skeggs
  */
 #include "nv04.h"
+#include "channv04.h"
+#include "regsnv04.h"
 
-#include <core/client.h>
-#include <core/engctx.h>
 #include <core/ramht.h>
 #include <subdev/fb.h>
 #include <subdev/instmem.h>
 
-#include <nvif/class.h>
-#include <nvif/unpack.h>
-
 static struct ramfc_desc
 nv40_ramfc[] = {
 	{ 32,  0, 0x00,  0, NV04_PFIFO_CACHE1_DMA_PUT },
@@ -59,207 +56,6 @@ nv40_ramfc[] = {
 	{}
 };
 
-/*******************************************************************************
- * FIFO channel objects
- ******************************************************************************/
-
-static int
-nv40_fifo_object_attach(struct nvkm_object *parent,
-			struct nvkm_object *object, u32 handle)
-{
-	struct nv04_fifo *fifo = (void *)parent->engine;
-	struct nv04_fifo_chan *chan = (void *)parent;
-	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
-	u32 context, chid = chan->base.chid;
-	int ret;
-
-	if (nv_iclass(object, NV_GPUOBJ_CLASS))
-		context = nv_gpuobj(object)->addr >> 4;
-	else
-		context = 0x00000004; /* just non-zero */
-
-	if (object->engine) {
-		switch (nv_engidx(object->engine)) {
-		case NVDEV_ENGINE_DMAOBJ:
-		case NVDEV_ENGINE_SW:
-			context |= 0x00000000;
-			break;
-		case NVDEV_ENGINE_GR:
-			context |= 0x00100000;
-			break;
-		case NVDEV_ENGINE_MPEG:
-			context |= 0x00200000;
-			break;
-		default:
-			return -EINVAL;
-		}
-	}
-
-	context |= chid << 23;
-
-	mutex_lock(&nv_subdev(fifo)->mutex);
-	ret = nvkm_ramht_insert(imem->ramht, NULL, chid, 0, handle, context);
-	mutex_unlock(&nv_subdev(fifo)->mutex);
-	return ret;
-}
-
-static int
-nv40_fifo_context_attach(struct nvkm_object *parent, struct nvkm_object *engctx)
-{
-	struct nv04_fifo *fifo = (void *)parent->engine;
-	struct nv04_fifo_chan *chan = (void *)parent;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	struct nvkm_instmem *imem = device->imem;
-	unsigned long flags;
-	u32 reg, ctx;
-
-	switch (nv_engidx(engctx->engine)) {
-	case NVDEV_ENGINE_SW:
-		return 0;
-	case NVDEV_ENGINE_GR:
-		reg = 0x32e0;
-		ctx = 0x38;
-		break;
-	case NVDEV_ENGINE_MPEG:
-		reg = 0x330c;
-		ctx = 0x54;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	spin_lock_irqsave(&fifo->base.lock, flags);
-	nv_engctx(engctx)->addr = nv_gpuobj(engctx)->addr >> 4;
-	nvkm_mask(device, 0x002500, 0x00000001, 0x00000000);
-
-	if ((nvkm_rd32(device, 0x003204) & fifo->base.max) == chan->base.chid)
-		nvkm_wr32(device, reg, nv_engctx(engctx)->addr);
-	nvkm_kmap(imem->ramfc);
-	nvkm_wo32(imem->ramfc, chan->ramfc + ctx, nv_engctx(engctx)->addr);
-	nvkm_done(imem->ramfc);
-
-	nvkm_mask(device, 0x002500, 0x00000001, 0x00000001);
-	spin_unlock_irqrestore(&fifo->base.lock, flags);
-	return 0;
-}
-
-static int
-nv40_fifo_context_detach(struct nvkm_object *parent, bool suspend,
-			 struct nvkm_object *engctx)
-{
-	struct nv04_fifo *fifo = (void *)parent->engine;
-	struct nv04_fifo_chan *chan = (void *)parent;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	struct nvkm_instmem *imem = device->imem;
-	unsigned long flags;
-	u32 reg, ctx;
-
-	switch (nv_engidx(engctx->engine)) {
-	case NVDEV_ENGINE_SW:
-		return 0;
-	case NVDEV_ENGINE_GR:
-		reg = 0x32e0;
-		ctx = 0x38;
-		break;
-	case NVDEV_ENGINE_MPEG:
-		reg = 0x330c;
-		ctx = 0x54;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	spin_lock_irqsave(&fifo->base.lock, flags);
-	nvkm_mask(device, 0x002500, 0x00000001, 0x00000000);
-
-	if ((nvkm_rd32(device, 0x003204) & fifo->base.max) == chan->base.chid)
-		nvkm_wr32(device, reg, 0x00000000);
-	nvkm_kmap(imem->ramfc);
-	nvkm_wo32(imem->ramfc, chan->ramfc + ctx, 0x00000000);
-	nvkm_done(imem->ramfc);
-
-	nvkm_mask(device, 0x002500, 0x00000001, 0x00000001);
-	spin_unlock_irqrestore(&fifo->base.lock, flags);
-	return 0;
-}
-
-static int
-nv40_fifo_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-		    struct nvkm_oclass *oclass, void *data, u32 size,
-		    struct nvkm_object **pobject)
-{
-	union {
-		struct nv03_channel_dma_v0 v0;
-	} *args = data;
-	struct nv04_fifo *fifo = (void *)engine;
-	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
-	struct nv04_fifo_chan *chan;
-	int ret;
-
-	nvif_ioctl(parent, "create channel dma size %d\n", size);
-	if (nvif_unpack(args->v0, 0, 0, false)) {
-		nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
-				   "offset %08x\n", args->v0.version,
-			   args->v0.pushbuf, args->v0.offset);
-	} else
-		return ret;
-
-	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
-				       0x1000, args->v0.pushbuf,
-				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
-				       (1ULL << NVDEV_ENGINE_SW) |
-				       (1ULL << NVDEV_ENGINE_GR) |
-				       (1ULL << NVDEV_ENGINE_MPEG), &chan);
-	*pobject = nv_object(chan);
-	if (ret)
-		return ret;
-
-	args->v0.chid = chan->base.chid;
-
-	nv_parent(chan)->context_attach = nv40_fifo_context_attach;
-	nv_parent(chan)->context_detach = nv40_fifo_context_detach;
-	nv_parent(chan)->object_attach = nv40_fifo_object_attach;
-	nv_parent(chan)->object_detach = nv04_fifo_object_detach;
-	chan->ramfc = chan->base.chid * 128;
-
-	nvkm_kmap(imem->ramfc);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x00, args->v0.offset);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x04, args->v0.offset);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x0c, chan->base.pushgpu->addr >> 4);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x18, 0x30000000 |
-			     NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
-			     NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
-#ifdef __BIG_ENDIAN
-			     NV_PFIFO_CACHE1_BIG_ENDIAN |
-#endif
-			     NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x3c, 0x0001ffff);
-	nvkm_done(imem->ramfc);
-	return 0;
-}
-
-static struct nvkm_ofuncs
-nv40_fifo_ofuncs = {
-	.ctor = nv40_fifo_chan_ctor,
-	.dtor = nv04_fifo_chan_dtor,
-	.init = nv04_fifo_chan_init,
-	.fini = nv04_fifo_chan_fini,
-	.map  = _nvkm_fifo_channel_map,
-	.rd32 = _nvkm_fifo_channel_rd32,
-	.wr32 = _nvkm_fifo_channel_wr32,
-	.ntfy = _nvkm_fifo_channel_ntfy
-};
-
-static struct nvkm_oclass
-nv40_fifo_sclass[] = {
-	{ NV40_CHANNEL_DMA, &nv40_fifo_ofuncs },
-	{}
-};
-
-/*******************************************************************************
- * FIFO context - basically just the instmem reserved for the channel
- ******************************************************************************/
-
 static struct nvkm_oclass
 nv40_fifo_cclass = {
 	.handle = NV_ENGCTX(FIFO, 0x40),
@@ -273,33 +69,6 @@ nv40_fifo_cclass = {
 	},
 };
 
-/*******************************************************************************
- * PFIFO engine
- ******************************************************************************/
-
-static int
-nv40_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
-{
-	struct nv04_fifo *fifo;
-	int ret;
-
-	ret = nvkm_fifo_create(parent, engine, oclass, 0, 31, &fifo);
-	*pobject = nv_object(fifo);
-	if (ret)
-		return ret;
-
-	nv_subdev(fifo)->unit = 0x00000100;
-	nv_subdev(fifo)->intr = nv04_fifo_intr;
-	nv_engine(fifo)->cclass = &nv40_fifo_cclass;
-	nv_engine(fifo)->sclass = nv40_fifo_sclass;
-	fifo->base.pause = nv04_fifo_pause;
-	fifo->base.start = nv04_fifo_start;
-	fifo->ramfc_desc = nv40_ramfc;
-	return 0;
-}
-
 static int
 nv40_fifo_init(struct nvkm_object *object)
 {
@@ -357,6 +126,29 @@ nv40_fifo_init(struct nvkm_object *object)
 	return 0;
 }
 
+static int
+nv40_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+	       struct nvkm_oclass *oclass, void *data, u32 size,
+	       struct nvkm_object **pobject)
+{
+	struct nv04_fifo *fifo;
+	int ret;
+
+	ret = nvkm_fifo_create(parent, engine, oclass, 0, 31, &fifo);
+	*pobject = nv_object(fifo);
+	if (ret)
+		return ret;
+
+	nv_subdev(fifo)->unit = 0x00000100;
+	nv_subdev(fifo)->intr = nv04_fifo_intr;
+	nv_engine(fifo)->cclass = &nv40_fifo_cclass;
+	nv_engine(fifo)->sclass = nv40_fifo_sclass;
+	fifo->base.pause = nv04_fifo_pause;
+	fifo->base.start = nv04_fifo_start;
+	fifo->ramfc_desc = nv40_ramfc;
+	return 0;
+}
+
 struct nvkm_oclass *
 nv40_fifo_oclass = &(struct nvkm_oclass) {
 	.handle = NV_ENGINE(FIFO, 0x40),
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c
index 23d5ee2fed85..bf17cb0e8385 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c
@@ -22,30 +22,17 @@
  * Authors: Ben Skeggs
  */
 #include "nv50.h"
-#include "nv04.h"
-
-#include <core/client.h>
-#include <core/engctx.h>
-#include <core/ramht.h>
-#include <subdev/mmu.h>
-#include <subdev/timer.h>
-
-#include <nvif/class.h>
-#include <nvif/unpack.h>
-
-/*******************************************************************************
- * FIFO channel objects
- ******************************************************************************/
+#include "channv50.h"
 
 static void
-nv50_fifo_playlist_update_locked(struct nv50_fifo *fifo)
+nv50_fifo_runlist_update_locked(struct nv50_fifo *fifo)
 {
 	struct nvkm_device *device = fifo->base.engine.subdev.device;
 	struct nvkm_memory *cur;
 	int i, p;
 
-	cur = fifo->playlist[fifo->cur_playlist];
-	fifo->cur_playlist = !fifo->cur_playlist;
+	cur = fifo->runlist[fifo->cur_runlist];
+	fifo->cur_runlist = !fifo->cur_runlist;
 
 	nvkm_kmap(cur);
 	for (i = fifo->base.min, p = 0; i < fifo->base.max; i++) {
@@ -60,414 +47,52 @@ nv50_fifo_playlist_update_locked(struct nv50_fifo *fifo)
 }
 
 void
-nv50_fifo_playlist_update(struct nv50_fifo *fifo)
+nv50_fifo_runlist_update(struct nv50_fifo *fifo)
 {
 	mutex_lock(&nv_subdev(fifo)->mutex);
-	nv50_fifo_playlist_update_locked(fifo);
+	nv50_fifo_runlist_update_locked(fifo);
 	mutex_unlock(&nv_subdev(fifo)->mutex);
 }
 
-static int
-nv50_fifo_context_attach(struct nvkm_object *parent, struct nvkm_object *object)
-{
-	struct nv50_fifo_base *base = (void *)parent->parent;
-	struct nvkm_gpuobj *ectx = (void *)object;
-	u64 limit = ectx->addr + ectx->size - 1;
-	u64 start = ectx->addr;
-	u32 addr;
-
-	switch (nv_engidx(object->engine)) {
-	case NVDEV_ENGINE_SW   : return 0;
-	case NVDEV_ENGINE_GR   : addr = 0x0000; break;
-	case NVDEV_ENGINE_MPEG : addr = 0x0060; break;
-	default:
-		return -EINVAL;
-	}
-
-	nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12;
-
-	nvkm_kmap(base->eng);
-	nvkm_wo32(base->eng, addr + 0x00, 0x00190000);
-	nvkm_wo32(base->eng, addr + 0x04, lower_32_bits(limit));
-	nvkm_wo32(base->eng, addr + 0x08, lower_32_bits(start));
-	nvkm_wo32(base->eng, addr + 0x0c, upper_32_bits(limit) << 24 |
-					  upper_32_bits(start));
-	nvkm_wo32(base->eng, addr + 0x10, 0x00000000);
-	nvkm_wo32(base->eng, addr + 0x14, 0x00000000);
-	nvkm_done(base->eng);
-	return 0;
-}
-
-static int
-nv50_fifo_context_detach(struct nvkm_object *parent, bool suspend,
-			 struct nvkm_object *object)
-{
-	struct nv50_fifo *fifo = (void *)parent->engine;
-	struct nv50_fifo_base *base = (void *)parent->parent;
-	struct nv50_fifo_chan *chan = (void *)parent;
-	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
-	struct nvkm_device *device = subdev->device;
-	u32 addr, me;
-	int ret = 0;
-
-	switch (nv_engidx(object->engine)) {
-	case NVDEV_ENGINE_SW   : return 0;
-	case NVDEV_ENGINE_GR   : addr = 0x0000; break;
-	case NVDEV_ENGINE_MPEG : addr = 0x0060; break;
-	default:
-		return -EINVAL;
-	}
-
-	/* HW bug workaround:
-	 *
-	 * PFIFO will hang forever if the connected engines don't report
-	 * that they've processed the context switch request.
-	 *
-	 * In order for the kickoff to work, we need to ensure all the
-	 * connected engines are in a state where they can answer.
-	 *
-	 * Newer chipsets don't seem to suffer from this issue, and well,
-	 * there's also a "ignore these engines" bitmask reg we can use
-	 * if we hit the issue there..
-	 */
-	me = nvkm_mask(device, 0x00b860, 0x00000001, 0x00000001);
-
-	/* do the kickoff... */
-	nvkm_wr32(device, 0x0032fc, nv_gpuobj(base)->addr >> 12);
-	if (nvkm_msec(device, 2000,
-		if (nvkm_rd32(device, 0x0032fc) != 0xffffffff)
-			break;
-	) < 0) {
-		nvkm_error(subdev, "channel %d [%s] unload timeout\n",
-			   chan->base.chid, nvkm_client_name(chan));
-		if (suspend)
-			ret = -EBUSY;
-	}
-	nvkm_wr32(device, 0x00b860, me);
-
-	if (ret == 0) {
-		nvkm_kmap(base->eng);
-		nvkm_wo32(base->eng, addr + 0x00, 0x00000000);
-		nvkm_wo32(base->eng, addr + 0x04, 0x00000000);
-		nvkm_wo32(base->eng, addr + 0x08, 0x00000000);
-		nvkm_wo32(base->eng, addr + 0x0c, 0x00000000);
-		nvkm_wo32(base->eng, addr + 0x10, 0x00000000);
-		nvkm_wo32(base->eng, addr + 0x14, 0x00000000);
-		nvkm_done(base->eng);
-	}
-
-	return ret;
-}
-
-static int
-nv50_fifo_object_attach(struct nvkm_object *parent,
-			struct nvkm_object *object, u32 handle)
-{
-	struct nv50_fifo_chan *chan = (void *)parent;
-	u32 context;
-
-	if (nv_iclass(object, NV_GPUOBJ_CLASS))
-		context = nv_gpuobj(object)->node->offset >> 4;
-	else
-		context = 0x00000004; /* just non-zero */
-
-	if (object->engine) {
-		switch (nv_engidx(object->engine)) {
-		case NVDEV_ENGINE_DMAOBJ:
-		case NVDEV_ENGINE_SW    : context |= 0x00000000; break;
-		case NVDEV_ENGINE_GR    : context |= 0x00100000; break;
-		case NVDEV_ENGINE_MPEG  : context |= 0x00200000; break;
-		default:
-			return -EINVAL;
-		}
-	}
-
-	return nvkm_ramht_insert(chan->ramht, NULL, 0, 0, handle, context);
-}
-
-void
-nv50_fifo_object_detach(struct nvkm_object *parent, int cookie)
-{
-	struct nv50_fifo_chan *chan = (void *)parent;
-	nvkm_ramht_remove(chan->ramht, cookie);
-}
-
-static int
-nv50_fifo_chan_ctor_dma(struct nvkm_object *parent, struct nvkm_object *engine,
-			struct nvkm_oclass *oclass, void *data, u32 size,
-			struct nvkm_object **pobject)
-{
-	union {
-		struct nv50_channel_dma_v0 v0;
-	} *args = data;
-	struct nvkm_device *device = parent->engine->subdev.device;
-	struct nv50_fifo_base *base = (void *)parent;
-	struct nv50_fifo_chan *chan;
-	int ret;
-
-	nvif_ioctl(parent, "create channel dma size %d\n", size);
-	if (nvif_unpack(args->v0, 0, 0, false)) {
-		nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
-				   "offset %016llx\n", args->v0.version,
-			   args->v0.pushbuf, args->v0.offset);
-		if (args->v0.vm)
-			return -ENOENT;
-	} else
-		return ret;
-
-	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
-				       0x2000, args->v0.pushbuf,
-				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
-				       (1ULL << NVDEV_ENGINE_SW) |
-				       (1ULL << NVDEV_ENGINE_GR) |
-				       (1ULL << NVDEV_ENGINE_MPEG), &chan);
-	*pobject = nv_object(chan);
-	if (ret)
-		return ret;
-
-	chan->base.inst = base->base.gpuobj.addr;
-	args->v0.chid = chan->base.chid;
-
-	nv_parent(chan)->context_attach = nv50_fifo_context_attach;
-	nv_parent(chan)->context_detach = nv50_fifo_context_detach;
-	nv_parent(chan)->object_attach = nv50_fifo_object_attach;
-	nv_parent(chan)->object_detach = nv50_fifo_object_detach;
-
-	ret = nvkm_ramht_new(device, 0x8000, 16, &base->base.gpuobj,
-			     &chan->ramht);
-	if (ret)
-		return ret;
-
-	nvkm_kmap(base->ramfc);
-	nvkm_wo32(base->ramfc, 0x08, lower_32_bits(args->v0.offset));
-	nvkm_wo32(base->ramfc, 0x0c, upper_32_bits(args->v0.offset));
-	nvkm_wo32(base->ramfc, 0x10, lower_32_bits(args->v0.offset));
-	nvkm_wo32(base->ramfc, 0x14, upper_32_bits(args->v0.offset));
-	nvkm_wo32(base->ramfc, 0x3c, 0x003f6078);
-	nvkm_wo32(base->ramfc, 0x44, 0x01003fff);
-	nvkm_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4);
-	nvkm_wo32(base->ramfc, 0x4c, 0xffffffff);
-	nvkm_wo32(base->ramfc, 0x60, 0x7fffffff);
-	nvkm_wo32(base->ramfc, 0x78, 0x00000000);
-	nvkm_wo32(base->ramfc, 0x7c, 0x30000001);
-	nvkm_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
-				     (4 << 24) /* SEARCH_FULL */ |
-				     (chan->ramht->gpuobj->node->offset >> 4));
-	nvkm_done(base->ramfc);
-	return 0;
-}
-
-static int
-nv50_fifo_chan_ctor_ind(struct nvkm_object *parent, struct nvkm_object *engine,
-			struct nvkm_oclass *oclass, void *data, u32 size,
-			struct nvkm_object **pobject)
-{
-	union {
-		struct nv50_channel_gpfifo_v0 v0;
-	} *args = data;
-	struct nvkm_device *device = parent->engine->subdev.device;
-	struct nv50_fifo_base *base = (void *)parent;
-	struct nv50_fifo_chan *chan;
-	u64 ioffset, ilength;
-	int ret;
-
-	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
-	if (nvif_unpack(args->v0, 0, 0, false)) {
-		nvif_ioctl(parent, "create channel gpfifo vers %d pushbuf %llx "
-				   "ioffset %016llx ilength %08x\n",
-			   args->v0.version, args->v0.pushbuf, args->v0.ioffset,
-			   args->v0.ilength);
-		if (args->v0.vm)
-			return -ENOENT;
-	} else
-		return ret;
-
-	ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
-				       0x2000, args->v0.pushbuf,
-				       (1ULL << NVDEV_ENGINE_DMAOBJ) |
-				       (1ULL << NVDEV_ENGINE_SW) |
-				       (1ULL << NVDEV_ENGINE_GR) |
-				       (1ULL << NVDEV_ENGINE_MPEG), &chan);
-	*pobject = nv_object(chan);
-	if (ret)
-		return ret;
-
-	chan->base.inst = base->base.gpuobj.addr;
-	args->v0.chid = chan->base.chid;
-
-	nv_parent(chan)->context_attach = nv50_fifo_context_attach;
-	nv_parent(chan)->context_detach = nv50_fifo_context_detach;
-	nv_parent(chan)->object_attach = nv50_fifo_object_attach;
-	nv_parent(chan)->object_detach = nv50_fifo_object_detach;
-
-	ret = nvkm_ramht_new(device, 0x8000, 16, &base->base.gpuobj,
-			     &chan->ramht);
-	if (ret)
-		return ret;
-
-	ioffset = args->v0.ioffset;
-	ilength = order_base_2(args->v0.ilength / 8);
-
-	nvkm_kmap(base->ramfc);
-	nvkm_wo32(base->ramfc, 0x3c, 0x403f6078);
-	nvkm_wo32(base->ramfc, 0x44, 0x01003fff);
-	nvkm_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4);
-	nvkm_wo32(base->ramfc, 0x50, lower_32_bits(ioffset));
-	nvkm_wo32(base->ramfc, 0x54, upper_32_bits(ioffset) | (ilength << 16));
-	nvkm_wo32(base->ramfc, 0x60, 0x7fffffff);
-	nvkm_wo32(base->ramfc, 0x78, 0x00000000);
-	nvkm_wo32(base->ramfc, 0x7c, 0x30000001);
-	nvkm_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
-				     (4 << 24) /* SEARCH_FULL */ |
-				     (chan->ramht->gpuobj->node->offset >> 4));
-	nvkm_done(base->ramfc);
-	return 0;
-}
-
-void
-nv50_fifo_chan_dtor(struct nvkm_object *object)
-{
-	struct nv50_fifo_chan *chan = (void *)object;
-	nvkm_ramht_del(&chan->ramht);
-	nvkm_fifo_channel_destroy(&chan->base);
-}
-
-static int
-nv50_fifo_chan_init(struct nvkm_object *object)
-{
-	struct nv50_fifo *fifo = (void *)object->engine;
-	struct nv50_fifo_base *base = (void *)object->parent;
-	struct nv50_fifo_chan *chan = (void *)object;
-	struct nvkm_gpuobj *ramfc = base->ramfc;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	u32 chid = chan->base.chid;
-	int ret;
-
-	ret = nvkm_fifo_channel_init(&chan->base);
-	if (ret)
-		return ret;
-
-	nvkm_wr32(device, 0x002600 + (chid * 4), 0x80000000 | ramfc->addr >> 12);
-	nv50_fifo_playlist_update(fifo);
-	return 0;
-}
-
 int
-nv50_fifo_chan_fini(struct nvkm_object *object, bool suspend)
+nv50_fifo_init(struct nvkm_object *object)
 {
-	struct nv50_fifo *fifo = (void *)object->engine;
-	struct nv50_fifo_chan *chan = (void *)object;
+	struct nv50_fifo *fifo = (void *)object;
 	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	u32 chid = chan->base.chid;
-
-	/* remove channel from playlist, fifo will unload context */
-	nvkm_mask(device, 0x002600 + (chid * 4), 0x80000000, 0x00000000);
-	nv50_fifo_playlist_update(fifo);
-	nvkm_wr32(device, 0x002600 + (chid * 4), 0x00000000);
-
-	return nvkm_fifo_channel_fini(&chan->base, suspend);
-}
-
-static struct nvkm_ofuncs
-nv50_fifo_ofuncs_dma = {
-	.ctor = nv50_fifo_chan_ctor_dma,
-	.dtor = nv50_fifo_chan_dtor,
-	.init = nv50_fifo_chan_init,
-	.fini = nv50_fifo_chan_fini,
-	.map  = _nvkm_fifo_channel_map,
-	.rd32 = _nvkm_fifo_channel_rd32,
-	.wr32 = _nvkm_fifo_channel_wr32,
-	.ntfy = _nvkm_fifo_channel_ntfy
-};
-
-static struct nvkm_ofuncs
-nv50_fifo_ofuncs_ind = {
-	.ctor = nv50_fifo_chan_ctor_ind,
-	.dtor = nv50_fifo_chan_dtor,
-	.init = nv50_fifo_chan_init,
-	.fini = nv50_fifo_chan_fini,
-	.map  = _nvkm_fifo_channel_map,
-	.rd32 = _nvkm_fifo_channel_rd32,
-	.wr32 = _nvkm_fifo_channel_wr32,
-	.ntfy = _nvkm_fifo_channel_ntfy
-};
-
-static struct nvkm_oclass
-nv50_fifo_sclass[] = {
-	{ NV50_CHANNEL_DMA, &nv50_fifo_ofuncs_dma },
-	{ NV50_CHANNEL_GPFIFO, &nv50_fifo_ofuncs_ind },
-	{}
-};
-
-/*******************************************************************************
- * FIFO context - basically just the instmem reserved for the channel
- ******************************************************************************/
-
-static int
-nv50_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-		       struct nvkm_oclass *oclass, void *data, u32 size,
-		       struct nvkm_object **pobject)
-{
-	struct nvkm_device *device = nv_engine(engine)->subdev.device;
-	struct nv50_fifo_base *base;
-	int ret;
-
-	ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x10000,
-				       0x1000, NVOBJ_FLAG_HEAP, &base);
-	*pobject = nv_object(base);
-	if (ret)
-		return ret;
+	int ret, i;
 
-	ret = nvkm_gpuobj_new(device, 0x0200, 0x1000, true, &base->base.gpuobj,
-			      &base->ramfc);
+	ret = nvkm_fifo_init(&fifo->base);
 	if (ret)
 		return ret;
 
-	ret = nvkm_gpuobj_new(device, 0x1200, 0, true, &base->base.gpuobj,
-			      &base->eng);
-	if (ret)
-		return ret;
+	nvkm_mask(device, 0x000200, 0x00000100, 0x00000000);
+	nvkm_mask(device, 0x000200, 0x00000100, 0x00000100);
+	nvkm_wr32(device, 0x00250c, 0x6f3cfc34);
+	nvkm_wr32(device, 0x002044, 0x01003fff);
 
-	ret = nvkm_gpuobj_new(device, 0x4000, 0, false, &base->base.gpuobj,
-			      &base->pgd);
-	if (ret)
-		return ret;
+	nvkm_wr32(device, 0x002100, 0xffffffff);
+	nvkm_wr32(device, 0x002140, 0xbfffffff);
 
-	ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd);
-	if (ret)
-		return ret;
+	for (i = 0; i < 128; i++)
+		nvkm_wr32(device, 0x002600 + (i * 4), 0x00000000);
+	nv50_fifo_runlist_update_locked(fifo);
 
+	nvkm_wr32(device, 0x003200, 0x00000001);
+	nvkm_wr32(device, 0x003250, 0x00000001);
+	nvkm_wr32(device, 0x002500, 0x00000001);
 	return 0;
 }
 
 void
-nv50_fifo_context_dtor(struct nvkm_object *object)
+nv50_fifo_dtor(struct nvkm_object *object)
 {
-	struct nv50_fifo_base *base = (void *)object;
-	nvkm_vm_ref(NULL, &base->vm, base->pgd);
-	nvkm_gpuobj_del(&base->pgd);
-	nvkm_gpuobj_del(&base->eng);
-	nvkm_gpuobj_del(&base->ramfc);
-	nvkm_gpuobj_del(&base->cache);
-	nvkm_fifo_context_destroy(&base->base);
-}
+	struct nv50_fifo *fifo = (void *)object;
 
-static struct nvkm_oclass
-nv50_fifo_cclass = {
-	.handle = NV_ENGCTX(FIFO, 0x50),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv50_fifo_context_ctor,
-		.dtor = nv50_fifo_context_dtor,
-		.init = _nvkm_fifo_context_init,
-		.fini = _nvkm_fifo_context_fini,
-		.rd32 = _nvkm_fifo_context_rd32,
-		.wr32 = _nvkm_fifo_context_wr32,
-	},
-};
+	nvkm_memory_del(&fifo->runlist[1]);
+	nvkm_memory_del(&fifo->runlist[0]);
 
-/*******************************************************************************
- * PFIFO engine
- ******************************************************************************/
+	nvkm_fifo_destroy(&fifo->base);
+}
 
 static int
 nv50_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
@@ -484,12 +109,12 @@ nv50_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 		return ret;
 
 	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 128 * 4, 0x1000,
-			      false, &fifo->playlist[0]);
+			      false, &fifo->runlist[0]);
 	if (ret)
 		return ret;
 
 	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 128 * 4, 0x1000,
-			      false, &fifo->playlist[1]);
+			      false, &fifo->runlist[1]);
 	if (ret)
 		return ret;
 
@@ -502,46 +127,6 @@ nv50_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	return 0;
 }
 
-void
-nv50_fifo_dtor(struct nvkm_object *object)
-{
-	struct nv50_fifo *fifo = (void *)object;
-
-	nvkm_memory_del(&fifo->playlist[1]);
-	nvkm_memory_del(&fifo->playlist[0]);
-
-	nvkm_fifo_destroy(&fifo->base);
-}
-
-int
-nv50_fifo_init(struct nvkm_object *object)
-{
-	struct nv50_fifo *fifo = (void *)object;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	int ret, i;
-
-	ret = nvkm_fifo_init(&fifo->base);
-	if (ret)
-		return ret;
-
-	nvkm_mask(device, 0x000200, 0x00000100, 0x00000000);
-	nvkm_mask(device, 0x000200, 0x00000100, 0x00000100);
-	nvkm_wr32(device, 0x00250c, 0x6f3cfc34);
-	nvkm_wr32(device, 0x002044, 0x01003fff);
-
-	nvkm_wr32(device, 0x002100, 0xffffffff);
-	nvkm_wr32(device, 0x002140, 0xbfffffff);
-
-	for (i = 0; i < 128; i++)
-		nvkm_wr32(device, 0x002600 + (i * 4), 0x00000000);
-	nv50_fifo_playlist_update_locked(fifo);
-
-	nvkm_wr32(device, 0x003200, 0x00000001);
-	nvkm_wr32(device, 0x003250, 0x00000001);
-	nvkm_wr32(device, 0x002500, 0x00000001);
-	return 0;
-}
-
 struct nvkm_oclass *
 nv50_fifo_oclass = &(struct nvkm_oclass) {
 	.handle = NV_ENGINE(FIFO, 0x50),
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h
index 0c826153bac6..306593fc56bb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h
@@ -1,36 +1,14 @@
 #ifndef __NV50_FIFO_H__
 #define __NV50_FIFO_H__
-#include <engine/fifo.h>
+#include "priv.h"
 
 struct nv50_fifo {
 	struct nvkm_fifo base;
-	struct nvkm_memory *playlist[2];
-	int cur_playlist;
+	struct nvkm_memory *runlist[2];
+	int cur_runlist;
 };
 
-struct nv50_fifo_base {
-	struct nvkm_fifo_base base;
-	struct nvkm_gpuobj *ramfc;
-	struct nvkm_gpuobj *cache;
-	struct nvkm_gpuobj *eng;
-	struct nvkm_gpuobj *pgd;
-	struct nvkm_vm *vm;
-};
-
-struct nv50_fifo_chan {
-	struct nvkm_fifo_chan base;
-	u32 subc[8];
-	struct nvkm_ramht *ramht;
-};
-
-void nv50_fifo_playlist_update(struct nv50_fifo *);
-
-void nv50_fifo_object_detach(struct nvkm_object *, int);
-void nv50_fifo_chan_dtor(struct nvkm_object *);
-int  nv50_fifo_chan_fini(struct nvkm_object *, bool);
-
-void nv50_fifo_context_dtor(struct nvkm_object *);
-
 void nv50_fifo_dtor(struct nvkm_object *);
 int  nv50_fifo_init(struct nvkm_object *);
+void nv50_fifo_runlist_update(struct nv50_fifo *);
 #endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
new file mode 100644
index 000000000000..b202f7f9413d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
@@ -0,0 +1,8 @@
+#ifndef __NVKM_FIFO_PRIV_H__
+#define __NVKM_FIFO_PRIV_H__
+#include <engine/fifo.h>
+#include <core/engctx.h>
+
+void nv04_fifo_pause(struct nvkm_fifo *, unsigned long *);
+void nv04_fifo_start(struct nvkm_fifo *, unsigned long *);
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/regsnv04.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/regsnv04.h
new file mode 100644
index 000000000000..92d56221197b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/regsnv04.h
@@ -0,0 +1,132 @@
+#ifndef __NV04_FIFO_REGS_H__
+#define __NV04_FIFO_REGS_H__
+
+#define NV04_PFIFO_DELAY_0                                 0x00002040
+#define NV04_PFIFO_DMA_TIMESLICE                           0x00002044
+#define NV04_PFIFO_NEXT_CHANNEL                            0x00002050
+#define NV03_PFIFO_INTR_0                                  0x00002100
+#define NV03_PFIFO_INTR_EN_0                               0x00002140
+#    define NV_PFIFO_INTR_CACHE_ERROR                          (1<<0)
+#    define NV_PFIFO_INTR_RUNOUT                               (1<<4)
+#    define NV_PFIFO_INTR_RUNOUT_OVERFLOW                      (1<<8)
+#    define NV_PFIFO_INTR_DMA_PUSHER                          (1<<12)
+#    define NV_PFIFO_INTR_DMA_PT                              (1<<16)
+#    define NV_PFIFO_INTR_SEMAPHORE                           (1<<20)
+#    define NV_PFIFO_INTR_ACQUIRE_TIMEOUT                     (1<<24)
+#define NV03_PFIFO_RAMHT                                   0x00002210
+#define NV03_PFIFO_RAMFC                                   0x00002214
+#define NV03_PFIFO_RAMRO                                   0x00002218
+#define NV40_PFIFO_RAMFC                                   0x00002220
+#define NV03_PFIFO_CACHES                                  0x00002500
+#define NV04_PFIFO_MODE                                    0x00002504
+#define NV04_PFIFO_DMA                                     0x00002508
+#define NV04_PFIFO_SIZE                                    0x0000250c
+#define NV50_PFIFO_CTX_TABLE(c)                        (0x2600+(c)*4)
+#define NV50_PFIFO_CTX_TABLE__SIZE                                128
+#define NV50_PFIFO_CTX_TABLE_CHANNEL_ENABLED                  (1<<31)
+#define NV50_PFIFO_CTX_TABLE_UNK30_BAD                        (1<<30)
+#define NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G80             0x0FFFFFFF
+#define NV50_PFIFO_CTX_TABLE_INSTANCE_MASK_G84             0x00FFFFFF
+#define NV03_PFIFO_CACHE0_PUSH0                            0x00003000
+#define NV03_PFIFO_CACHE0_PULL0                            0x00003040
+#define NV04_PFIFO_CACHE0_PULL0                            0x00003050
+#define NV04_PFIFO_CACHE0_PULL1                            0x00003054
+#define NV03_PFIFO_CACHE1_PUSH0                            0x00003200
+#define NV03_PFIFO_CACHE1_PUSH1                            0x00003204
+#define NV03_PFIFO_CACHE1_PUSH1_DMA                            (1<<8)
+#define NV40_PFIFO_CACHE1_PUSH1_DMA                           (1<<16)
+#define NV03_PFIFO_CACHE1_PUSH1_CHID_MASK                  0x0000000f
+#define NV10_PFIFO_CACHE1_PUSH1_CHID_MASK                  0x0000001f
+#define NV50_PFIFO_CACHE1_PUSH1_CHID_MASK                  0x0000007f
+#define NV03_PFIFO_CACHE1_PUT                              0x00003210
+#define NV04_PFIFO_CACHE1_DMA_PUSH                         0x00003220
+#define NV04_PFIFO_CACHE1_DMA_FETCH                        0x00003224
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_8_BYTES         0x00000000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_16_BYTES        0x00000008
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_24_BYTES        0x00000010
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_32_BYTES        0x00000018
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_40_BYTES        0x00000020
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_48_BYTES        0x00000028
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_56_BYTES        0x00000030
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_64_BYTES        0x00000038
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_72_BYTES        0x00000040
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_80_BYTES        0x00000048
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_88_BYTES        0x00000050
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_96_BYTES        0x00000058
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_104_BYTES       0x00000060
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_112_BYTES       0x00000068
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_120_BYTES       0x00000070
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES       0x00000078
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_136_BYTES       0x00000080
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_144_BYTES       0x00000088
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_152_BYTES       0x00000090
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_160_BYTES       0x00000098
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_168_BYTES       0x000000A0
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_176_BYTES       0x000000A8
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_184_BYTES       0x000000B0
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_192_BYTES       0x000000B8
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_200_BYTES       0x000000C0
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_208_BYTES       0x000000C8
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_216_BYTES       0x000000D0
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_224_BYTES       0x000000D8
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_232_BYTES       0x000000E0
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_240_BYTES       0x000000E8
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_248_BYTES       0x000000F0
+#    define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_256_BYTES       0x000000F8
+#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE                 0x0000E000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_32_BYTES        0x00000000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_64_BYTES        0x00002000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_96_BYTES        0x00004000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES       0x00006000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_160_BYTES       0x00008000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_192_BYTES       0x0000A000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_224_BYTES       0x0000C000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_256_BYTES       0x0000E000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS             0x001F0000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_0           0x00000000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_1           0x00010000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_2           0x00020000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_3           0x00030000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_4           0x00040000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_5           0x00050000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_6           0x00060000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_7           0x00070000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8           0x00080000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_9           0x00090000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_10          0x000A0000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_11          0x000B0000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_12          0x000C0000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_13          0x000D0000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_14          0x000E0000
+#    define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_15          0x000F0000
+#    define NV_PFIFO_CACHE1_ENDIAN                         0x80000000
+#    define NV_PFIFO_CACHE1_LITTLE_ENDIAN                  0x7FFFFFFF
+#    define NV_PFIFO_CACHE1_BIG_ENDIAN                     0x80000000
+#define NV04_PFIFO_CACHE1_DMA_STATE                        0x00003228
+#define NV04_PFIFO_CACHE1_DMA_INSTANCE                     0x0000322c
+#define NV04_PFIFO_CACHE1_DMA_CTL                          0x00003230
+#define NV04_PFIFO_CACHE1_DMA_PUT                          0x00003240
+#define NV04_PFIFO_CACHE1_DMA_GET                          0x00003244
+#define NV10_PFIFO_CACHE1_REF_CNT                          0x00003248
+#define NV10_PFIFO_CACHE1_DMA_SUBROUTINE                   0x0000324C
+#define NV03_PFIFO_CACHE1_PULL0                            0x00003240
+#define NV04_PFIFO_CACHE1_PULL0                            0x00003250
+#    define NV04_PFIFO_CACHE1_PULL0_HASH_FAILED            0x00000010
+#    define NV04_PFIFO_CACHE1_PULL0_HASH_BUSY              0x00001000
+#define NV03_PFIFO_CACHE1_PULL1                            0x00003250
+#define NV04_PFIFO_CACHE1_PULL1                            0x00003254
+#define NV04_PFIFO_CACHE1_HASH                             0x00003258
+#define NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT                  0x00003260
+#define NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP                0x00003264
+#define NV10_PFIFO_CACHE1_ACQUIRE_VALUE                    0x00003268
+#define NV10_PFIFO_CACHE1_SEMAPHORE                        0x0000326C
+#define NV03_PFIFO_CACHE1_GET                              0x00003270
+#define NV04_PFIFO_CACHE1_ENGINE                           0x00003280
+#define NV04_PFIFO_CACHE1_DMA_DCOUNT                       0x000032A0
+#define NV40_PFIFO_GRCTX_INSTANCE                          0x000032E0
+#define NV40_PFIFO_UNK32E4                                 0x000032E4
+#define NV04_PFIFO_CACHE1_METHOD(i)                (0x00003800+(i*8))
+#define NV04_PFIFO_CACHE1_DATA(i)                  (0x00003804+(i*8))
+#define NV40_PFIFO_CACHE1_METHOD(i)                (0x00090000+(i*8))
+#define NV40_PFIFO_CACHE1_DATA(i)                  (0x00090004+(i*8))
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv04.c
index b15b86478c4f..e2d3d79ee37b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv04.c
@@ -26,6 +26,7 @@
 
 #include <core/client.h>
 #include <engine/fifo.h>
+#include <engine/fifo/chan.h>
 #include <subdev/instmem.h>
 #include <subdev/timer.h>
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.c
index 8f0c62d56d9d..761aaa451e21 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.c
@@ -26,6 +26,7 @@
 
 #include <core/client.h>
 #include <engine/fifo.h>
+#include <engine/fifo/chan.h>
 #include <subdev/fb.h>
 
 struct pipe_state {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c
index a33ed6121d7f..262638b4e0c5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c
@@ -3,6 +3,7 @@
 
 #include <core/client.h>
 #include <engine/fifo.h>
+#include <engine/fifo/chan.h>
 #include <subdev/fb.h>
 #include <subdev/timer.h>
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c
index f0df11e47975..9cb5a90dde51 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c
@@ -2,6 +2,7 @@
 #include "regs.h"
 
 #include <engine/fifo.h>
+#include <engine/fifo/chan.h>
 
 /*******************************************************************************
  * Graphics object classes
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c
index 3bc6dae76fa5..c5d8cd6d66c0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c
@@ -2,6 +2,7 @@
 #include "regs.h"
 
 #include <engine/fifo.h>
+#include <engine/fifo/chan.h>
 
 /*******************************************************************************
  * PGRAPH context
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c
index 3c369f4b09e1..733de46a30dc 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c
@@ -2,6 +2,7 @@
 #include "regs.h"
 
 #include <engine/fifo.h>
+#include <engine/fifo/chan.h>
 #include <subdev/fb.h>
 
 /*******************************************************************************
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c
index 48bd9da606be..368c0cff35fb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c
@@ -2,6 +2,7 @@
 #include "regs.h"
 
 #include <engine/fifo.h>
+#include <engine/fifo/chan.h>
 
 /*******************************************************************************
  * Graphics object classes
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c
index d25d3303f2fd..676234d28e50 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c
@@ -2,6 +2,7 @@
 #include "regs.h"
 
 #include <engine/fifo.h>
+#include <engine/fifo/chan.h>
 
 /*******************************************************************************
  * Graphics object classes
-- 
2.39.5