drm/nouveau/fifo: add new channel classes

Exposes a bunch of the new features that became possible as a result of the earlier commits. DRM will build on this in the future to add support for features such as SCG ("async compute") and multi-device rendering, as part of the work necessary to be able to write a half- decent vulkan driver - finally. For the moment, this just crudely ports DRM to the API changes. - channel class interfaces now the same for all HW classes - channel group class exposed (SCG) - channel runqueue selector exposed (SCG) - channel sub-device id control exposed (multi-device rendering) - channel names in logging will reflect creating process, not fd owner - explicit USERD allocation required by VOLTA_CHANNEL_GPFIFO_A and newer - drm is smarter about determining the appropriate channel class to use Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
author: Ben Skeggs <bskeggs@redhat.com> 2022-06-01 20:47:38 +1000
committer: Ben Skeggs <bskeggs@redhat.com> 2022-11-09 10:44:50 +1000
commit: 06db7fded6dec88772a65c5a39af12ba4dc2ad38 (patch)
tree: d00ff73679dd75931c7625880903e1b301184600 /drivers/gpu/drm/nouveau
parent: 7ac293328122075a2afc40a4089e7afc6cbc26eb (diff)
download: linux-06db7fded6dec88772a65c5a39af12ba4dc2ad38.tar.bz2
63 files changed, 524 insertions, 1763 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl006b.h b/drivers/gpu/drm/nouveau/include/nvif/cl006b.h
deleted file mode 100644
index c960c449e430..000000000000
--- a/drivers/gpu/drm/nouveau/include/nvif/cl006b.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __NVIF_CL006B_H__
-#define __NVIF_CL006B_H__
-
-struct nv03_channel_dma_v0 {
-	__u8  version;
-	__u8  chid;
-	__u8  pad02[2];
-	__u32 offset;
-	__u64 pushbuf;
-};
-#endif
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl506e.h b/drivers/gpu/drm/nouveau/include/nvif/cl506e.h
deleted file mode 100644
index 9df289c7a84f..000000000000
--- a/drivers/gpu/drm/nouveau/include/nvif/cl506e.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __NVIF_CL506E_H__
-#define __NVIF_CL506E_H__
-
-struct nv50_channel_dma_v0 {
-	__u8  version;
-	__u8  chid;
-	__u8  pad02[6];
-	__u64 vmm;
-	__u64 pushbuf;
-	__u64 offset;
-};
-#endif
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl506f.h b/drivers/gpu/drm/nouveau/include/nvif/cl506f.h
deleted file mode 100644
index 327c96a994bb..000000000000
--- a/drivers/gpu/drm/nouveau/include/nvif/cl506f.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __NVIF_CL506F_H__
-#define __NVIF_CL506F_H__
-
-struct nv50_channel_gpfifo_v0 {
-	__u8  version;
-	__u8  chid;
-	__u8  pad02[2];
-	__u32 ilength;
-	__u64 ioffset;
-	__u64 pushbuf;
-	__u64 vmm;
-};
-#endif
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl826e.h b/drivers/gpu/drm/nouveau/include/nvif/cl826e.h
deleted file mode 100644
index ef3033b836f0..000000000000
--- a/drivers/gpu/drm/nouveau/include/nvif/cl826e.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __NVIF_CL826E_H__
-#define __NVIF_CL826E_H__
-
-struct g82_channel_dma_v0 {
-	__u8  version;
-	__u8  chid;
-	__u8  pad02[6];
-	__u64 vmm;
-	__u64 pushbuf;
-	__u64 offset;
-};
-#endif
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl826f.h b/drivers/gpu/drm/nouveau/include/nvif/cl826f.h
deleted file mode 100644
index c5d5e56b04cc..000000000000
--- a/drivers/gpu/drm/nouveau/include/nvif/cl826f.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __NVIF_CL826F_H__
-#define __NVIF_CL826F_H__
-
-struct g82_channel_gpfifo_v0 {
-	__u8  version;
-	__u8  chid;
-	__u8  pad02[2];
-	__u32 ilength;
-	__u64 ioffset;
-	__u64 pushbuf;
-	__u64 vmm;
-};
-#endif
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl906f.h b/drivers/gpu/drm/nouveau/include/nvif/cl906f.h
deleted file mode 100644
index 5ccc8fd8c458..000000000000
--- a/drivers/gpu/drm/nouveau/include/nvif/cl906f.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __NVIF_CL906F_H__
-#define __NVIF_CL906F_H__
-
-struct fermi_channel_gpfifo_v0 {
-	__u8  version;
-	__u8  chid;
-	__u8  pad02[2];
-	__u32 ilength;
-	__u64 ioffset;
-	__u64 vmm;
-};
-#endif
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cla06f.h b/drivers/gpu/drm/nouveau/include/nvif/cla06f.h
deleted file mode 100644
index 10449accd3e8..000000000000
--- a/drivers/gpu/drm/nouveau/include/nvif/cla06f.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __NVIF_CLA06F_H__
-#define __NVIF_CLA06F_H__
-
-struct kepler_channel_gpfifo_a_v0 {
-	__u8  version;
-	__u8  priv;
-	__u16 chid;
-	__u32 ilength;
-	__u64 ioffset;
-	__u64 runlist;
-	__u64 vmm;
-	__u64 inst;
-};
-#endif
diff --git a/drivers/gpu/drm/nouveau/include/nvif/class.h b/drivers/gpu/drm/nouveau/include/nvif/class.h
index e9d9f314a744..ceea074b064b 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/class.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/class.h
@@ -70,23 +70,23 @@
 #define MAXWELL_FAULT_BUFFER_A                        /* clb069.h */ 0x0000b069
 #define VOLTA_FAULT_BUFFER_A                          /* clb069.h */ 0x0000c369
 
-#define NV03_CHANNEL_DMA                              /* cl506b.h */ 0x0000006b
-#define NV10_CHANNEL_DMA                              /* cl506b.h */ 0x0000006e
-#define NV17_CHANNEL_DMA                              /* cl506b.h */ 0x0000176e
-#define NV40_CHANNEL_DMA                              /* cl506b.h */ 0x0000406e
+#define NV03_CHANNEL_DMA                              /* if0020.h */ 0x0000006b
+#define NV10_CHANNEL_DMA                              /* if0020.h */ 0x0000006e
+#define NV17_CHANNEL_DMA                              /* if0020.h */ 0x0000176e
+#define NV40_CHANNEL_DMA                              /* if0020.h */ 0x0000406e
 
 #define KEPLER_CHANNEL_GROUP_A                        /* if0021.h */ 0x0000a06c
 
-#define NV50_CHANNEL_GPFIFO                           /* cl506f.h */ 0x0000506f
-#define G82_CHANNEL_GPFIFO                            /* cl826f.h */ 0x0000826f
-#define FERMI_CHANNEL_GPFIFO                          /* cl906f.h */ 0x0000906f
-#define KEPLER_CHANNEL_GPFIFO_A                       /* cla06f.h */ 0x0000a06f
-#define KEPLER_CHANNEL_GPFIFO_B                       /* cla06f.h */ 0x0000a16f
-#define MAXWELL_CHANNEL_GPFIFO_A                      /* cla06f.h */ 0x0000b06f
-#define PASCAL_CHANNEL_GPFIFO_A                       /* cla06f.h */ 0x0000c06f
-#define VOLTA_CHANNEL_GPFIFO_A                        /* clc36f.h */ 0x0000c36f
-#define TURING_CHANNEL_GPFIFO_A                       /* clc36f.h */ 0x0000c46f
-#define AMPERE_CHANNEL_GPFIFO_B                       /* clc36f.h */ 0x0000c76f
+#define NV50_CHANNEL_GPFIFO                           /* if0020.h */ 0x0000506f
+#define G82_CHANNEL_GPFIFO                            /* if0020.h */ 0x0000826f
+#define FERMI_CHANNEL_GPFIFO                          /* if0020.h */ 0x0000906f
+#define KEPLER_CHANNEL_GPFIFO_A                       /* if0020.h */ 0x0000a06f
+#define KEPLER_CHANNEL_GPFIFO_B                       /* if0020.h */ 0x0000a16f
+#define MAXWELL_CHANNEL_GPFIFO_A                      /* if0020.h */ 0x0000b06f
+#define PASCAL_CHANNEL_GPFIFO_A                       /* if0020.h */ 0x0000c06f
+#define VOLTA_CHANNEL_GPFIFO_A                        /* if0020.h */ 0x0000c36f
+#define TURING_CHANNEL_GPFIFO_A                       /* if0020.h */ 0x0000c46f
+#define AMPERE_CHANNEL_GPFIFO_B                       /* if0020.h */ 0x0000c76f
 
 #define NV50_DISP                                     /* if0010.h */ 0x00005070
 #define G82_DISP                                      /* if0010.h */ 0x00008270
diff --git a/drivers/gpu/drm/nouveau/include/nvif/clc36f.h b/drivers/gpu/drm/nouveau/include/nvif/clc36f.h
deleted file mode 100644
index cdf6708e1d9a..000000000000
--- a/drivers/gpu/drm/nouveau/include/nvif/clc36f.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __NVIF_CLC36F_H__
-#define __NVIF_CLC36F_H__
-
-struct volta_channel_gpfifo_a_v0 {
-	__u8  version;
-	__u8  priv;
-	__u16 chid;
-	__u32 ilength;
-	__u64 ioffset;
-	__u64 runlist;
-	__u64 vmm;
-	__u64 inst;
-	__u32 token;
-};
-#endif
diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0020.h b/drivers/gpu/drm/nouveau/include/nvif/if0020.h
index 1893b8aa0abb..085e0ae8a450 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/if0020.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/if0020.h
@@ -2,6 +2,38 @@
 #ifndef __NVIF_IF0020_H__
 #define __NVIF_IF0020_H__
 
+union nvif_chan_args {
+	struct nvif_chan_v0 {
+		__u8  version;
+		__u8  namelen;
+		__u8  runlist;
+		__u8  runq;
+		__u8  priv;
+		__u8  pad05;
+		__u16 devm;
+		__u64 vmm;
+
+		__u64 ctxdma;
+		__u64 offset;
+		__u64 length;
+
+		__u64 huserd;
+		__u64 ouserd;
+
+		__u32 token;
+		__u16 chid;
+		__u8  pad3e;
+#define NVIF_CHAN_V0_INST_APER_VRAM 0
+#define NVIF_CHAN_V0_INST_APER_HOST 1
+#define NVIF_CHAN_V0_INST_APER_NCOH 2
+#define NVIF_CHAN_V0_INST_APER_INST 0xff
+		__u8  aper;
+		__u64 inst;
+
+		__u8  name[];
+	} v0;
+};
+
 union nvif_chan_event_args {
 	struct nvif_chan_event_v0 {
 		__u8 version;
diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0021.h b/drivers/gpu/drm/nouveau/include/nvif/if0021.h
new file mode 100644
index 000000000000..5013def90455
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvif/if0021.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVIF_IF0021_H__
+#define __NVIF_IF0021_H__
+
+union nvif_cgrp_args {
+	struct nvif_cgrp_v0 {
+		__u8  version;
+		__u8  namelen;
+		__u8  runlist;
+		__u8  pad03[3];
+		__u16 cgid;
+		__u64 vmm;
+		__u8  name[];
+	} v0;
+};
+#endif
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
index da8abcbeb965..c71f412bbb7f 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
@@ -16,7 +16,8 @@ struct nvkm_chan {
 
 	struct nvkm_gpuobj *inst;
 	struct nvkm_vmm *vmm;
-	union { int id; int chid; }; /*FIXME: remove later */
+	struct nvkm_gpuobj *push;
+	int id;
 
 	struct {
 		struct nvkm_memory *mem;
@@ -35,11 +36,7 @@ struct nvkm_chan {
 	atomic_t errored;
 
 	struct list_head cctxs;
-
-	struct nvkm_object object;
-
 	struct list_head head;
-	struct nvkm_gpuobj *push;
 };
 
 struct nvkm_chan *nvkm_chan_get_chid(struct nvkm_engine *, int id, unsigned long *irqflags);
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index 9237ef328b9f..82dab51d8aeb 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -27,7 +27,6 @@
 #include <nvif/ioctl.h>
 #include <nvif/class.h>
 #include <nvif/cl0002.h>
-#include <nvif/cla06f.h>
 #include <nvif/unpack.h>
 
 #include "nouveau_drv.h"
diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c
index 5b7042d94e80..efd6cf46921b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_chan.c
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.c
@@ -25,13 +25,7 @@
 
 #include <nvif/class.h>
 #include <nvif/cl0002.h>
-#include <nvif/cl006b.h>
-#include <nvif/cl506f.h>
-#include <nvif/cl906f.h>
-#include <nvif/cla06f.h>
-#include <nvif/clc36f.h>
 #include <nvif/if0020.h>
-#include <nvif/ioctl.h>
 
 #include "nouveau_drv.h"
 #include "nouveau_dma.h"
@@ -101,6 +95,7 @@ nouveau_channel_del(struct nouveau_channel **pchan)
 		nvif_object_dtor(&chan->vram);
 		nvif_event_dtor(&chan->kill);
 		nvif_object_dtor(&chan->user);
+		nvif_mem_dtor(&chan->mem_userd);
 		nvif_object_dtor(&chan->push.ctxdma);
 		nouveau_vma_del(&chan->push.vma);
 		nouveau_bo_unmap(chan->push.buffer);
@@ -250,134 +245,112 @@ nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device,
 }
 
 static int
-nouveau_channel_ind(struct nouveau_drm *drm, struct nvif_device *device,
-		    u64 runlist, bool priv, struct nouveau_channel **pchan)
+nouveau_channel_ctor(struct nouveau_drm *drm, struct nvif_device *device, bool priv, u64 runm,
+		     struct nouveau_channel **pchan)
 {
-	static const u16 oclasses[] = { AMPERE_CHANNEL_GPFIFO_B,
-					TURING_CHANNEL_GPFIFO_A,
-					VOLTA_CHANNEL_GPFIFO_A,
-					PASCAL_CHANNEL_GPFIFO_A,
-					MAXWELL_CHANNEL_GPFIFO_A,
-					KEPLER_CHANNEL_GPFIFO_B,
-					KEPLER_CHANNEL_GPFIFO_A,
-					FERMI_CHANNEL_GPFIFO,
-					G82_CHANNEL_GPFIFO,
-					NV50_CHANNEL_GPFIFO,
-					0 };
-	const u16 *oclass = oclasses;
-	union {
-		struct nv50_channel_gpfifo_v0 nv50;
-		struct fermi_channel_gpfifo_v0 fermi;
-		struct kepler_channel_gpfifo_a_v0 kepler;
-		struct volta_channel_gpfifo_a_v0 volta;
+	static const struct {
+		s32 oclass;
+		int version;
+	} hosts[] = {
+		{  AMPERE_CHANNEL_GPFIFO_B, 0 },
+		{  TURING_CHANNEL_GPFIFO_A, 0 },
+		{   VOLTA_CHANNEL_GPFIFO_A, 0 },
+		{  PASCAL_CHANNEL_GPFIFO_A, 0 },
+		{ MAXWELL_CHANNEL_GPFIFO_A, 0 },
+		{  KEPLER_CHANNEL_GPFIFO_B, 0 },
+		{  KEPLER_CHANNEL_GPFIFO_A, 0 },
+		{   FERMI_CHANNEL_GPFIFO  , 0 },
+		{     G82_CHANNEL_GPFIFO  , 0 },
+		{    NV50_CHANNEL_GPFIFO  , 0 },
+		{    NV40_CHANNEL_DMA     , 0 },
+		{    NV17_CHANNEL_DMA     , 0 },
+		{    NV10_CHANNEL_DMA     , 0 },
+		{    NV03_CHANNEL_DMA     , 0 },
+		{}
+	};
+	struct {
+		struct nvif_chan_v0 chan;
+		char name[TASK_COMM_LEN+16];
 	} args;
+	struct nouveau_cli *cli = (void *)device->object.client;
 	struct nouveau_channel *chan;
-	u32 size;
-	int ret;
+	const u64 plength = 0x10000;
+	const u64 ioffset = plength;
+	const u64 ilength = 0x02000;
+	char name[TASK_COMM_LEN];
+	int cid, ret;
+	u64 size;
+
+	cid = nvif_mclass(&device->object, hosts);
+	if (cid < 0)
+		return cid;
+
+	if (hosts[cid].oclass < NV50_CHANNEL_GPFIFO)
+		size = plength;
+	else
+		size = ioffset + ilength;
 
 	/* allocate dma push buffer */
-	ret = nouveau_channel_prep(drm, device, 0x12000, &chan);
+	ret = nouveau_channel_prep(drm, device, size, &chan);
 	*pchan = chan;
 	if (ret)
 		return ret;
 
 	/* create channel object */
-	do {
-		if (oclass[0] >= VOLTA_CHANNEL_GPFIFO_A) {
-			args.volta.version = 0;
-			args.volta.ilength = 0x02000;
-			args.volta.ioffset = 0x10000 + chan->push.addr;
-			args.volta.runlist = runlist;
-			args.volta.vmm = nvif_handle(&chan->vmm->vmm.object);
-			args.volta.priv = priv;
-			size = sizeof(args.volta);
-		} else
-		if (oclass[0] >= KEPLER_CHANNEL_GPFIFO_A) {
-			args.kepler.version = 0;
-			args.kepler.ilength = 0x02000;
-			args.kepler.ioffset = 0x10000 + chan->push.addr;
-			args.kepler.runlist = runlist;
-			args.kepler.vmm = nvif_handle(&chan->vmm->vmm.object);
-			args.kepler.priv = priv;
-			size = sizeof(args.kepler);
-		} else
-		if (oclass[0] >= FERMI_CHANNEL_GPFIFO) {
-			args.fermi.version = 0;
-			args.fermi.ilength = 0x02000;
-			args.fermi.ioffset = 0x10000 + chan->push.addr;
-			args.fermi.vmm = nvif_handle(&chan->vmm->vmm.object);
-			size = sizeof(args.fermi);
-		} else {
-			args.nv50.version = 0;
-			args.nv50.ilength = 0x02000;
-			args.nv50.ioffset = 0x10000 + chan->push.addr;
-			args.nv50.pushbuf = nvif_handle(&chan->push.ctxdma);
-			args.nv50.vmm = nvif_handle(&chan->vmm->vmm.object);
-			size = sizeof(args.nv50);
-		}
-
-		ret = nvif_object_ctor(&device->object, "abi16ChanUser", 0,
-				       *oclass++, &args, size, &chan->user);
-		if (ret == 0) {
-			if (chan->user.oclass >= VOLTA_CHANNEL_GPFIFO_A) {
-				chan->chid = args.volta.chid;
-				chan->inst = args.volta.inst;
-				chan->token = args.volta.token;
-			} else
-			if (chan->user.oclass >= KEPLER_CHANNEL_GPFIFO_A) {
-				chan->chid = args.kepler.chid;
-				chan->inst = args.kepler.inst;
-			} else
-			if (chan->user.oclass >= FERMI_CHANNEL_GPFIFO) {
-				chan->chid = args.fermi.chid;
-			} else {
-				chan->chid = args.nv50.chid;
-			}
+	args.chan.version = 0;
+	args.chan.namelen = sizeof(args.name);
+	args.chan.runlist = __ffs64(runm);
+	args.chan.runq = 0;
+	args.chan.priv = priv;
+	args.chan.devm = BIT(0);
+	if (hosts[cid].oclass < NV50_CHANNEL_GPFIFO) {
+		args.chan.vmm = 0;
+		args.chan.ctxdma = nvif_handle(&chan->push.ctxdma);
+		args.chan.offset = chan->push.addr;
+		args.chan.length = 0;
+	} else {
+		args.chan.vmm = nvif_handle(&chan->vmm->vmm.object);
+		if (hosts[cid].oclass < FERMI_CHANNEL_GPFIFO)
+			args.chan.ctxdma = nvif_handle(&chan->push.ctxdma);
+		else
+			args.chan.ctxdma = 0;
+		args.chan.offset = ioffset + chan->push.addr;
+		args.chan.length = ilength;
+	}
+	args.chan.huserd = 0;
+	args.chan.ouserd = 0;
+
+	/* allocate userd */
+	if (hosts[cid].oclass >= VOLTA_CHANNEL_GPFIFO_A) {
+		ret = nvif_mem_ctor(&cli->mmu, "abi16ChanUSERD", NVIF_CLASS_MEM_GF100,
+				    NVIF_MEM_VRAM | NVIF_MEM_COHERENT | NVIF_MEM_MAPPABLE,
+				    0, PAGE_SIZE, NULL, 0, &chan->mem_userd);
+		if (ret)
 			return ret;
-		}
-	} while (*oclass);
 
-	nouveau_channel_del(pchan);
-	return ret;
-}
+		args.chan.huserd = nvif_handle(&chan->mem_userd.object);
+		args.chan.ouserd = 0;
 
-static int
-nouveau_channel_dma(struct nouveau_drm *drm, struct nvif_device *device,
-		    struct nouveau_channel **pchan)
-{
-	static const u16 oclasses[] = { NV40_CHANNEL_DMA,
-					NV17_CHANNEL_DMA,
-					NV10_CHANNEL_DMA,
-					NV03_CHANNEL_DMA,
-					0 };
-	const u16 *oclass = oclasses;
-	struct nv03_channel_dma_v0 args;
-	struct nouveau_channel *chan;
-	int ret;
+		chan->userd = &chan->mem_userd.object;
+	} else {
+		chan->userd = &chan->user;
+	}
 
-	/* allocate dma push buffer */
-	ret = nouveau_channel_prep(drm, device, 0x10000, &chan);
-	*pchan = chan;
-	if (ret)
-		return ret;
+	get_task_comm(name, current);
+	snprintf(args.name, sizeof(args.name), "%s[%d]", name, task_pid_nr(current));
 
-	/* create channel object */
-	args.version = 0;
-	args.pushbuf = nvif_handle(&chan->push.ctxdma);
-	args.offset = chan->push.addr;
-
-	do {
-		ret = nvif_object_ctor(&device->object, "abi16ChanUser", 0,
-				       *oclass++, &args, sizeof(args),
-				       &chan->user);
-		if (ret == 0) {
-			chan->chid = args.chid;
-			return ret;
-		}
-	} while (ret && *oclass);
+	ret = nvif_object_ctor(&device->object, "abi16ChanUser", 0, hosts[cid].oclass,
+			       &args, sizeof(args), &chan->user);
+	if (ret) {
+		nouveau_channel_del(pchan);
+		return ret;
+	}
 
-	nouveau_channel_del(pchan);
-	return ret;
+	chan->runlist = args.chan.runlist;
+	chan->chid = args.chan.chid;
+	chan->inst = args.chan.inst;
+	chan->token = args.chan.token;
+	return 0;
 }
 
 static int
@@ -388,7 +361,7 @@ nouveau_channel_init(struct nouveau_channel *chan, u32 vram, u32 gart)
 	struct nv_dma_v0 args = {};
 	int ret, i;
 
-	ret = nvif_object_map(&chan->user, NULL, 0);
+	ret = nvif_object_map(chan->userd, NULL, 0);
 	if (ret)
 		return ret;
 
@@ -518,15 +491,10 @@ nouveau_channel_new(struct nouveau_drm *drm, struct nvif_device *device,
 	struct nouveau_cli *cli = (void *)device->object.client;
 	int ret;
 
-	/* hack until fencenv50 is fixed, and agp access relaxed */
-	ret = nouveau_channel_ind(drm, device, runm, priv, pchan);
+	ret = nouveau_channel_ctor(drm, device, priv, runm, pchan);
 	if (ret) {
-		NV_PRINTK(dbg, cli, "ib channel create, %d\n", ret);
-		ret = nouveau_channel_dma(drm, device, pchan);
-		if (ret) {
-			NV_PRINTK(dbg, cli, "dma channel create, %d\n", ret);
-			return ret;
-		}
+		NV_PRINTK(dbg, cli, "channel create, %d\n", ret);
+		return ret;
 	}
 
 	ret = nouveau_channel_init(*pchan, vram, gart);
diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.h b/drivers/gpu/drm/nouveau/nouveau_chan.h
index 40467e8c9668..e06a8ffed31a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_chan.h
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.h
@@ -16,6 +16,9 @@ struct nouveau_channel {
 	struct nouveau_drm *drm;
 	struct nouveau_vmm *vmm;
 
+	struct nvif_mem mem_userd;
+	struct nvif_object *userd;
+
 	int runlist;
 	int chid;
 	u64 inst;
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c
index ddb75d80bc53..b90cac6d5772 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dma.c
@@ -42,9 +42,9 @@ READ_GET(struct nouveau_channel *chan, uint64_t *prev_get, int *timeout)
 {
 	uint64_t val;
 
-	val = nvif_rd32(&chan->user, chan->user_get);
+	val = nvif_rd32(chan->userd, chan->user_get);
         if (chan->user_get_hi)
-                val |= (uint64_t)nvif_rd32(&chan->user, chan->user_get_hi) << 32;
+		val |= (uint64_t)nvif_rd32(chan->userd, chan->user_get_hi) << 32;
 
 	/* reset counter as long as GET is still advancing, this is
 	 * to avoid misdetecting a GPU lockup if the GPU happens to
@@ -86,7 +86,7 @@ nv50_dma_push(struct nouveau_channel *chan, u64 offset, int length)
 	/* Flush writes. */
 	nouveau_bo_rd32(pb, 0);
 
-	nvif_wr32(&chan->user, 0x8c, chan->dma.ib_put);
+	nvif_wr32(chan->userd, 0x8c, chan->dma.ib_put);
 	if (user->func && user->func->doorbell)
 		user->func->doorbell(user, chan->token);
 	chan->dma.ib_free--;
@@ -98,7 +98,7 @@ nv50_dma_push_wait(struct nouveau_channel *chan, int count)
 	uint32_t cnt = 0, prev_get = 0;
 
 	while (chan->dma.ib_free < count) {
-		uint32_t get = nvif_rd32(&chan->user, 0x88);
+		uint32_t get = nvif_rd32(chan->userd, 0x88);
 		if (get != prev_get) {
 			prev_get = get;
 			cnt = 0;
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 4a533b080445..61be972f8385 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -50,7 +50,6 @@
 
 #include <nvif/class.h>
 #include <nvif/cl0002.h>
-#include <nvif/cla06f.h>
 
 #include "nouveau_drv.h"
 #include "nouveau_dma.h"
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild
index eb82da7e7d87..f9aad4cf8271 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild
@@ -25,19 +25,5 @@ nvkm-y += nvkm/engine/fifo/gv100.o
 nvkm-y += nvkm/engine/fifo/tu102.o
 nvkm-y += nvkm/engine/fifo/ga102.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/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/gpfifogv100.o
-nvkm-y += nvkm/engine/fifo/gpfifotu102.o
-
+nvkm-y += nvkm/engine/fifo/ucgrp.o
 nvkm-y += nvkm/engine/fifo/uchan.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
index 9362afe37f3e..61534a8a33d7 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
@@ -59,6 +59,9 @@ nvkm_fifo_class_new(struct nvkm_device *device, const struct nvkm_oclass *oclass
 {
 	struct nvkm_fifo *fifo = nvkm_fifo(oclass->engine);
 
+	if (oclass->engn == &fifo->func->cgrp.user)
+		return nvkm_ucgrp_new(fifo, oclass, argv, argc, pobject);
+
 	if (oclass->engn == &fifo->func->chan.user)
 		return nvkm_uchan_new(fifo, NULL, oclass, argv, argc, pobject);
 
@@ -75,9 +78,20 @@ static int
 nvkm_fifo_class_get(struct nvkm_oclass *oclass, int index, const struct nvkm_device_oclass **class)
 {
 	struct nvkm_fifo *fifo = nvkm_fifo(oclass->engine);
+	const struct nvkm_fifo_func_cgrp *cgrp = &fifo->func->cgrp;
 	const struct nvkm_fifo_func_chan *chan = &fifo->func->chan;
 	int c = 0;
 
+	/* *_CHANNEL_GROUP_* */
+	if (cgrp->user.oclass) {
+		if (c++ == index) {
+			oclass->base = cgrp->user;
+			oclass->engn = &fifo->func->cgrp.user;
+			*class = &nvkm_fifo_class;
+			return 0;
+		}
+	}
+
 	/* *_CHANNEL_DMA, *_CHANNEL_GPFIFO_* */
 	if (chan->user.oclass) {
 		if (c++ == index) {
@@ -264,9 +278,6 @@ nvkm_fifo_oneinit(struct nvkm_engine *engine)
 			return ret;
 	}
 
-	if (fifo->func->oneinit)
-		return fifo->func->oneinit(fifo);
-
 	return 0;
 }
 
@@ -282,7 +293,6 @@ nvkm_fifo_dtor(struct nvkm_engine *engine)
 	struct nvkm_fifo *fifo = nvkm_fifo(engine);
 	struct nvkm_runl *runl, *runt;
 	struct nvkm_runq *runq, *rtmp;
-	void *data = fifo;
 
 	if (fifo->userd.bar1)
 		nvkm_vmm_put(nvkm_bar_bar1_vmm(engine->subdev.device), &fifo->userd.bar1);
@@ -296,11 +306,9 @@ nvkm_fifo_dtor(struct nvkm_engine *engine)
 	nvkm_chid_unref(&fifo->cgid);
 	nvkm_chid_unref(&fifo->chid);
 
-	if (fifo->func->dtor)
-		data = fifo->func->dtor(fifo);
 	nvkm_event_fini(&fifo->nonstall.event);
 	mutex_destroy(&fifo->mutex);
-	return data;
+	return fifo;
 }
 
 static const struct nvkm_engine_func
@@ -315,11 +323,15 @@ nvkm_fifo = {
 };
 
 int
-nvkm_fifo_ctor(const struct nvkm_fifo_func *func, struct nvkm_device *device,
-	       enum nvkm_subdev_type type, int inst, struct nvkm_fifo *fifo)
+nvkm_fifo_new_(const struct nvkm_fifo_func *func, struct nvkm_device *device,
+	       enum nvkm_subdev_type type, int inst, struct nvkm_fifo **pfifo)
 {
+	struct nvkm_fifo *fifo;
 	int ret;
 
+	if (!(fifo = *pfifo = kzalloc(sizeof(*fifo), GFP_KERNEL)))
+		return -ENOMEM;
+
 	fifo->func = func;
 	INIT_LIST_HEAD(&fifo->runqs);
 	INIT_LIST_HEAD(&fifo->runls);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
index 4f99e5bf4e7f..b7c9d6115bce 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
@@ -28,7 +28,6 @@
 #include "runl.h"
 #include "priv.h"
 
-#include <core/oproxy.h>
 #include <core/ramht.h>
 #include <subdev/mmu.h>
 #include <engine/dma.h>
@@ -283,16 +282,6 @@ nvkm_chan_del(struct nvkm_chan **pchan)
 		nvkm_cgrp_unref(&chan->cgrp);
 	}
 
-	chan = nvkm_object_dtor(&chan->object);
-	kfree(chan);
-}
-
-static void *
-nvkm_fifo_chan_dtor(struct nvkm_object *object)
-{
-	struct nvkm_fifo_chan *chan = nvkm_fifo_chan(object);
-	void *data = chan->func->dtor(chan);
-
 	if (chan->vmm) {
 		nvkm_vmm_part(chan->vmm, chan->inst->memory);
 		nvkm_vmm_unref(&chan->vmm);
@@ -300,8 +289,7 @@ nvkm_fifo_chan_dtor(struct nvkm_object *object)
 
 	nvkm_gpuobj_del(&chan->push);
 	nvkm_gpuobj_del(&chan->inst);
-	kfree(chan->func);
-	return data;
+	kfree(chan);
 }
 
 void
@@ -354,51 +342,42 @@ nvkm_chan_get_chid(struct nvkm_engine *engine, int id, unsigned long *pirqflags)
 	return NULL;
 }
 
-static const struct nvkm_object_func
-nvkm_fifo_chan_func = {
-	.dtor = nvkm_fifo_chan_dtor,
-};
-
 int
-nvkm_fifo_chan_ctor(const struct nvkm_fifo_chan_func *fn,
-		    struct nvkm_fifo *fifo, u32 size, u32 align, bool zero,
-		    u64 hvmm, u64 push, u32 engm, int bar, u32 base,
-		    u32 user, const struct nvkm_oclass *oclass,
-		    struct nvkm_fifo_chan *chan)
+nvkm_chan_new_(const struct nvkm_chan_func *func, struct nvkm_runl *runl, int runq,
+	       struct nvkm_cgrp *cgrp, const char *name, bool priv, u32 devm, struct nvkm_vmm *vmm,
+	       struct nvkm_dmaobj *dmaobj, u64 offset, u64 length,
+	       struct nvkm_memory *userd, u64 ouserd, struct nvkm_chan **pchan)
 {
-	struct nvkm_chan_func *func;
-	struct nvkm_client *client = oclass->client;
+	struct nvkm_fifo *fifo = runl->fifo;
 	struct nvkm_device *device = fifo->engine.subdev.device;
-	struct nvkm_dmaobj *dmaobj;
-	struct nvkm_cgrp *cgrp = NULL;
-	struct nvkm_runl *runl;
-	struct nvkm_engn *engn = NULL;
-	struct nvkm_vmm *vmm = NULL;
+	struct nvkm_chan *chan;
 	int ret;
 
-	nvkm_runl_foreach(runl, fifo) {
-		engn = nvkm_runl_find_engn(engn, runl, engm & BIT(engn->id));
-		if (engn)
-			break;
-	}
-
-	if (!engn)
+	/* Validate arguments against class requirements. */
+	if ((runq && runq >= runl->func->runqs) ||
+	    (!func->inst->vmm != !vmm) ||
+	    ((func->userd->bar < 0) == !userd) ||
+	    (!func->ramfc->ctxdma != !dmaobj) ||
+	    ((func->ramfc->devm < devm) && devm != BIT(0)) ||
+	    (!func->ramfc->priv && priv)) {
+		RUNL_DEBUG(runl, "args runq:%d:%d vmm:%d:%p userd:%d:%p "
+				 "push:%d:%p devm:%08x:%08x priv:%d:%d",
+			   runl->func->runqs, runq, func->inst->vmm, vmm,
+			   func->userd->bar < 0, userd, func->ramfc->ctxdma, dmaobj,
+			   func->ramfc->devm, devm, func->ramfc->priv, priv);
 		return -EINVAL;
+	}
 
-	/*FIXME: temp kludge to ease transition, remove later */
-	if (!(func = kmalloc(sizeof(*func), GFP_KERNEL)))
+	if (!(chan = *pchan = kzalloc(sizeof(*chan), GFP_KERNEL)))
 		return -ENOMEM;
 
-	*func = *fifo->func->chan.func;
-	func->dtor = fn->dtor;
-
 	chan->func = func;
+	strscpy(chan->name, name, sizeof(chan->name));
+	chan->runq = runq;
 	chan->id = -1;
 	spin_lock_init(&chan->lock);
 	atomic_set(&chan->blocked, 1);
 	atomic_set(&chan->errored, 0);
-
-	nvkm_object_ctor(&nvkm_fifo_chan_func, oclass, &chan->object);
 	INIT_LIST_HEAD(&chan->cctxs);
 	INIT_LIST_HEAD(&chan->head);
 
@@ -437,10 +416,6 @@ nvkm_fifo_chan_ctor(const struct nvkm_fifo_chan_func *fn,
 
 	/* Initialise virtual address-space. */
 	if (func->inst->vmm) {
-		struct nvkm_vmm *vmm = nvkm_uvmm_search(client, hvmm);
-		if (IS_ERR(vmm))
-			return PTR_ERR(vmm);
-
 		if (WARN_ON(vmm->mmu != device->mmu))
 			return -EINVAL;
 
@@ -455,10 +430,6 @@ nvkm_fifo_chan_ctor(const struct nvkm_fifo_chan_func *fn,
 
 	/* Allocate HW ctxdma for push buffer. */
 	if (func->ramfc->ctxdma) {
-		dmaobj = nvkm_dmaobj_search(client, push);
-		if (IS_ERR(dmaobj))
-			return PTR_ERR(dmaobj);
-
 		ret = nvkm_object_bind(&dmaobj->object, chan->inst, -16, &chan->push);
 		if (ret) {
 			RUNL_DEBUG(runl, "bind %d", ret);
@@ -477,7 +448,20 @@ nvkm_fifo_chan_ctor(const struct nvkm_fifo_chan_func *fn,
 		cgrp->id = chan->id;
 
 	/* Initialise USERD. */
-	if (1) {
+	if (func->userd->bar < 0) {
+		if (ouserd + chan->func->userd->size >= nvkm_memory_size(userd)) {
+			RUNL_DEBUG(runl, "ouserd %llx", ouserd);
+			return -EINVAL;
+		}
+
+		ret = nvkm_memory_kmap(userd, &chan->userd.mem);
+		if (ret) {
+			RUNL_DEBUG(runl, "userd %d", ret);
+			return ret;
+		}
+
+		chan->userd.base = ouserd;
+	} else {
 		chan->userd.mem = nvkm_memory_ref(fifo->userd.mem);
 		chan->userd.base = chan->id * chan->func->userd->size;
 	}
@@ -485,5 +469,12 @@ nvkm_fifo_chan_ctor(const struct nvkm_fifo_chan_func *fn,
 	if (chan->func->userd->clear)
 		chan->func->userd->clear(chan);
 
+	/* Initialise RAMFC. */
+	ret = chan->func->ramfc->write(chan, offset, length, devm, priv);
+	if (ret) {
+		RUNL_DEBUG(runl, "ramfc %d", ret);
+		return ret;
+	}
+
 	return 0;
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h
index 836f9ecb13c6..85b94f699128 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h
@@ -1,9 +1,10 @@
 /* SPDX-License-Identifier: MIT */
 #ifndef __NVKM_CHAN_H__
 #define __NVKM_CHAN_H__
-#define nvkm_chan(p) container_of((p), struct nvkm_chan, object) /*FIXME: remove later */
 #include <engine/fifo.h>
+struct nvkm_dmaobj;
 struct nvkm_engn;
+struct nvkm_runl;
 
 extern const struct nvkm_event_func nvkm_chan_event;
 
@@ -50,14 +51,12 @@ struct nvkm_chan_func {
 	void (*stop)(struct nvkm_chan *);
 	void (*preempt)(struct nvkm_chan *);
 	u32 (*doorbell_handle)(struct nvkm_chan *);
-
-	void *(*dtor)(struct nvkm_fifo_chan *);
 };
 
-int nvkm_fifo_chan_ctor(const struct nvkm_fifo_chan_func *, struct nvkm_fifo *,
-			u32 size, u32 align, bool zero, u64 vm, u64 push,
-			u32 engm, int bar, u32 base, u32 user,
-			const struct nvkm_oclass *, struct nvkm_fifo_chan *);
+int nvkm_chan_new_(const struct nvkm_chan_func *, struct nvkm_runl *, int runq, struct nvkm_cgrp *,
+		   const char *name, bool priv, u32 devm, struct nvkm_vmm *, struct nvkm_dmaobj *,
+		   u64 offset, u64 length, struct nvkm_memory *userd, u64 userd_bar1,
+		   struct nvkm_chan **);
 void nvkm_chan_del(struct nvkm_chan **);
 void nvkm_chan_allow(struct nvkm_chan *);
 void nvkm_chan_block(struct nvkm_chan *);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c
deleted file mode 100644
index fc266af2cf53..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * 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/mmu.h>
-#include <subdev/timer.h>
-
-#include <nvif/cl826e.h>
-
-static const struct nvkm_fifo_chan_func
-g84_fifo_chan_func = {
-	.dtor = nv50_fifo_chan_dtor,
-};
-
-int
-g84_fifo_chan_ctor(struct nv50_fifo *fifo, u64 vmm, u64 push,
-		   const struct nvkm_oclass *oclass,
-		   struct nv50_fifo_chan *chan)
-{
-	int ret;
-
-	if (!vmm)
-		return -EINVAL;
-
-	ret = nvkm_fifo_chan_ctor(&g84_fifo_chan_func, &fifo->base,
-				  0x10000, 0x1000, false, vmm, push,
-				  BIT(G84_FIFO_ENGN_SW) |
-				  BIT(G84_FIFO_ENGN_GR) |
-				  BIT(G84_FIFO_ENGN_MPEG) |
-				  BIT(G84_FIFO_ENGN_MSPPP) |
-				  BIT(G84_FIFO_ENGN_ME) |
-				  BIT(G84_FIFO_ENGN_CE0) |
-				  BIT(G84_FIFO_ENGN_VP) |
-				  BIT(G84_FIFO_ENGN_MSPDEC) |
-				  BIT(G84_FIFO_ENGN_CIPHER) |
-				  BIT(G84_FIFO_ENGN_SEC) |
-				  BIT(G84_FIFO_ENGN_VIC) |
-				  BIT(G84_FIFO_ENGN_BSP) |
-				  BIT(G84_FIFO_ENGN_MSVLD) |
-				  BIT(G84_FIFO_ENGN_DMA),
-				  0, 0xc00000, 0x2000, oclass, &chan->base);
-	return ret;
-}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h
deleted file mode 100644
index e94c16b0efb6..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __GF100_FIFO_CHAN_H__
-#define __GF100_FIFO_CHAN_H__
-#define gf100_fifo_chan(p) container_of((p), struct gf100_fifo_chan, base)
-#include "chan.h"
-#include "gf100.h"
-
-struct gf100_fifo_chan {
-	struct nvkm_fifo_chan base;
-
-#define GF100_FIFO_ENGN_GR     0
-#define GF100_FIFO_ENGN_MSPDEC 1
-#define GF100_FIFO_ENGN_MSPPP  2
-#define GF100_FIFO_ENGN_MSVLD  3
-#define GF100_FIFO_ENGN_CE0    4
-#define GF100_FIFO_ENGN_CE1    5
-#define GF100_FIFO_ENGN_SW     15
-};
-
-extern const struct nvkm_fifo_chan_oclass gf100_fifo_gpfifo_oclass;
-#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h
deleted file mode 100644
index 3450f6349db3..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __GK104_FIFO_CHAN_H__
-#define __GK104_FIFO_CHAN_H__
-#define gk104_fifo_chan(p) container_of((p), struct gk104_fifo_chan, base)
-#include "chan.h"
-#include "gk104.h"
-
-struct gk104_fifo_chan {
-	struct nvkm_fifo_chan base;
-	int runl;
-
-#define GK104_FIFO_ENGN_SW 15
-};
-
-extern const struct nvkm_fifo_chan_func gk104_fifo_gpfifo_func;
-
-int gk104_fifo_gpfifo_new(struct gk104_fifo *, const struct nvkm_oclass *,
-			  void *data, u32 size, struct nvkm_object **);
-void *gk104_fifo_gpfifo_dtor(struct nvkm_fifo_chan *);
-
-int gv100_fifo_gpfifo_new(struct gk104_fifo *, const struct nvkm_oclass *,
-			  void *data, u32 size, struct nvkm_object **);
-int gv100_fifo_gpfifo_new_(const struct nvkm_fifo_chan_func *,
-			   struct gk104_fifo *, u64 *, u16 *, u64, u64, u64,
-			   u64 *, bool, u32 *, const struct nvkm_oclass *,
-			   struct nvkm_object **);
-
-int tu102_fifo_gpfifo_new(struct gk104_fifo *, const struct nvkm_oclass *,
-			  void *data, u32 size, struct nvkm_object **);
-#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h
deleted file mode 100644
index 5a1717888978..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __NV04_FIFO_CHAN_H__
-#define __NV04_FIFO_CHAN_H__
-#define nv04_fifo_chan(p) container_of((p), struct nv04_fifo_chan, base)
-#include "chan.h"
-#include "nv04.h"
-
-struct nv04_fifo_chan {
-	struct nvkm_fifo_chan base;
-#define NV04_FIFO_ENGN_SW   0
-#define NV04_FIFO_ENGN_GR   1
-#define NV04_FIFO_ENGN_MPEG 2
-#define NV04_FIFO_ENGN_DMA  3
-};
-
-extern const struct nvkm_fifo_chan_func nv04_fifo_dma_func;
-void *nv04_fifo_dma_dtor(struct nvkm_fifo_chan *);
-
-extern const struct nvkm_fifo_chan_oclass nv04_fifo_dma_oclass;
-extern const struct nvkm_fifo_chan_oclass nv10_fifo_dma_oclass;
-extern const struct nvkm_fifo_chan_oclass nv17_fifo_dma_oclass;
-extern const struct nvkm_fifo_chan_oclass nv40_fifo_dma_oclass;
-#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.c
deleted file mode 100644
index 0ad6354b9ccc..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * 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/mmu.h>
-#include <subdev/timer.h>
-
-void *
-nv50_fifo_chan_dtor(struct nvkm_fifo_chan *base)
-{
-	struct nv50_fifo_chan *chan = nv50_fifo_chan(base);
-	return chan;
-}
-
-static const struct nvkm_fifo_chan_func
-nv50_fifo_chan_func = {
-	.dtor = nv50_fifo_chan_dtor,
-};
-
-int
-nv50_fifo_chan_ctor(struct nv50_fifo *fifo, u64 vmm, u64 push,
-		    const struct nvkm_oclass *oclass,
-		    struct nv50_fifo_chan *chan)
-{
-	int ret;
-
-	if (!vmm)
-		return -EINVAL;
-
-	ret = nvkm_fifo_chan_ctor(&nv50_fifo_chan_func, &fifo->base,
-				  0x10000, 0x1000, false, vmm, push,
-				  BIT(NV50_FIFO_ENGN_SW) |
-				  BIT(NV50_FIFO_ENGN_GR) |
-				  BIT(NV50_FIFO_ENGN_MPEG) |
-				  BIT(NV50_FIFO_ENGN_DMA),
-				  0, 0xc00000, 0x2000, oclass, &chan->base);
-	return ret;
-}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h
deleted file mode 100644
index ea4ec3bc4b8a..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __NV50_FIFO_CHAN_H__
-#define __NV50_FIFO_CHAN_H__
-#define nv50_fifo_chan(p) container_of((p), struct nv50_fifo_chan, base)
-#include "chan.h"
-#include "nv50.h"
-
-struct nv50_fifo_chan {
-	struct nvkm_fifo_chan base;
-
-#define NV50_FIFO_ENGN_SW   0
-#define NV50_FIFO_ENGN_GR   1
-#define NV50_FIFO_ENGN_MPEG 2
-#define NV50_FIFO_ENGN_DMA  3
-
-#define G84_FIFO_ENGN_SW     0
-#define G84_FIFO_ENGN_GR     1
-#define G84_FIFO_ENGN_MPEG   2
-#define G84_FIFO_ENGN_MSPPP  2
-#define G84_FIFO_ENGN_ME     3
-#define G84_FIFO_ENGN_CE0    3
-#define G84_FIFO_ENGN_VP     4
-#define G84_FIFO_ENGN_MSPDEC 4
-#define G84_FIFO_ENGN_CIPHER 5
-#define G84_FIFO_ENGN_SEC    5
-#define G84_FIFO_ENGN_VIC    5
-#define G84_FIFO_ENGN_BSP    6
-#define G84_FIFO_ENGN_MSVLD  6
-#define G84_FIFO_ENGN_DMA    7
-};
-
-int nv50_fifo_chan_ctor(struct nv50_fifo *, u64 vmm, u64 push,
-			const struct nvkm_oclass *, struct nv50_fifo_chan *);
-void *nv50_fifo_chan_dtor(struct nvkm_fifo_chan *);
-
-int g84_fifo_chan_ctor(struct nv50_fifo *, u64 vmm, u64 push,
-		       const struct nvkm_oclass *, struct nv50_fifo_chan *);
-
-extern const struct nvkm_fifo_chan_oclass nv50_fifo_gpfifo_oclass;
-extern const struct nvkm_fifo_chan_oclass g84_fifo_gpfifo_oclass;
-#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
deleted file mode 100644
index 41f7f22ed935..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * 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/cl006b.h>
-#include <nvif/unpack.h>
-
-void *
-nv04_fifo_dma_dtor(struct nvkm_fifo_chan *base)
-{
-	struct nv04_fifo_chan *chan = nv04_fifo_chan(base);
-	return chan;
-}
-
-const struct nvkm_fifo_chan_func
-nv04_fifo_dma_func = {
-	.dtor = nv04_fifo_dma_dtor,
-};
-
-static int
-nv04_fifo_dma_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
-		  void *data, u32 size, struct nvkm_object **pobject)
-{
-	struct nvkm_object *parent = oclass->parent;
-	union {
-		struct nv03_channel_dma_v0 v0;
-	} *args = data;
-	struct nv04_fifo *fifo = nv04_fifo(base);
-	struct nv04_fifo_chan *chan = NULL;
-	int ret = -ENOSYS;
-
-	nvif_ioctl(parent, "create channel dma size %d\n", size);
-	if (!(ret = nvif_unpack(ret, &data, &size, 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);
-		if (!args->v0.pushbuf)
-			return -EINVAL;
-	} else
-		return ret;
-
-	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
-		return -ENOMEM;
-	*pobject = &chan->base.object;
-
-	ret = nvkm_fifo_chan_ctor(&nv04_fifo_dma_func, &fifo->base,
-				  0x1000, 0x1000, false, 0, args->v0.pushbuf,
-				  BIT(NV04_FIFO_ENGN_SW) |
-				  BIT(NV04_FIFO_ENGN_GR) |
-				  BIT(NV04_FIFO_ENGN_DMA),
-				  0, 0x800000, 0x10000, oclass, &chan->base);
-	if (ret)
-		return ret;
-
-	args->v0.chid = chan->base.chid;
-
-	chan->base.func->ramfc->write(&chan->base, args->v0.offset, 0, BIT(0), false);
-	return 0;
-}
-
-const struct nvkm_fifo_chan_oclass
-nv04_fifo_dma_oclass = {
-	.ctor = nv04_fifo_dma_new,
-};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv10.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv10.c
deleted file mode 100644
index 49a000fabc5a..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv10.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * 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/gpuobj.h>
-#include <subdev/instmem.h>
-
-#include <nvif/cl006b.h>
-#include <nvif/unpack.h>
-
-static int
-nv10_fifo_dma_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
-		  void *data, u32 size, struct nvkm_object **pobject)
-{
-	struct nvkm_object *parent = oclass->parent;
-	union {
-		struct nv03_channel_dma_v0 v0;
-	} *args = data;
-	struct nv04_fifo *fifo = nv04_fifo(base);
-	struct nv04_fifo_chan *chan = NULL;
-	int ret = -ENOSYS;
-
-	nvif_ioctl(parent, "create channel dma size %d\n", size);
-	if (!(ret = nvif_unpack(ret, &data, &size, 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);
-		if (!args->v0.pushbuf)
-			return -EINVAL;
-	} else
-		return ret;
-
-	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
-		return -ENOMEM;
-	*pobject = &chan->base.object;
-
-	ret = nvkm_fifo_chan_ctor(&nv04_fifo_dma_func, &fifo->base,
-				  0x1000, 0x1000, false, 0, args->v0.pushbuf,
-				  BIT(NV04_FIFO_ENGN_SW) |
-				  BIT(NV04_FIFO_ENGN_GR) |
-				  BIT(NV04_FIFO_ENGN_DMA),
-				  0, 0x800000, 0x10000, oclass, &chan->base);
-	if (ret)
-		return ret;
-
-	args->v0.chid = chan->base.chid;
-
-	chan->base.func->ramfc->write(&chan->base, args->v0.offset, 0, BIT(0), false);
-	return 0;
-}
-
-const struct nvkm_fifo_chan_oclass
-nv10_fifo_dma_oclass = {
-	.ctor = nv10_fifo_dma_new,
-};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv17.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv17.c
deleted file mode 100644
index cad8c5ec8dbb..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv17.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * 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/gpuobj.h>
-#include <subdev/instmem.h>
-
-#include <nvif/cl006b.h>
-#include <nvif/unpack.h>
-
-static int
-nv17_fifo_dma_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
-		  void *data, u32 size, struct nvkm_object **pobject)
-{
-	struct nvkm_object *parent = oclass->parent;
-	union {
-		struct nv03_channel_dma_v0 v0;
-	} *args = data;
-	struct nv04_fifo *fifo = nv04_fifo(base);
-	struct nv04_fifo_chan *chan = NULL;
-	int ret = -ENOSYS;
-
-	nvif_ioctl(parent, "create channel dma size %d\n", size);
-	if (!(ret = nvif_unpack(ret, &data, &size, 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);
-		if (!args->v0.pushbuf)
-			return -EINVAL;
-	} else
-		return ret;
-
-	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
-		return -ENOMEM;
-	*pobject = &chan->base.object;
-
-	ret = nvkm_fifo_chan_ctor(&nv04_fifo_dma_func, &fifo->base,
-				  0x1000, 0x1000, false, 0, args->v0.pushbuf,
-				  BIT(NV04_FIFO_ENGN_SW) |
-				  BIT(NV04_FIFO_ENGN_GR) |
-				  BIT(NV04_FIFO_ENGN_MPEG) | /* NV31- */
-				  BIT(NV04_FIFO_ENGN_DMA),
-				  0, 0x800000, 0x10000, oclass, &chan->base);
-	if (ret)
-		return ret;
-
-	args->v0.chid = chan->base.chid;
-
-	chan->base.func->ramfc->write(&chan->base, args->v0.offset, 0, BIT(0), false);
-	return 0;
-}
-
-const struct nvkm_fifo_chan_oclass
-nv17_fifo_dma_oclass = {
-	.ctor = nv17_fifo_dma_new,
-};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c
deleted file mode 100644
index e922e4a5ab1a..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * 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/cl006b.h>
-#include <nvif/unpack.h>
-
-static const struct nvkm_fifo_chan_func
-nv40_fifo_dma_func = {
-};
-
-static int
-nv40_fifo_dma_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
-		  void *data, u32 size, struct nvkm_object **pobject)
-{
-	struct nvkm_object *parent = oclass->parent;
-	union {
-		struct nv03_channel_dma_v0 v0;
-	} *args = data;
-	struct nv04_fifo *fifo = nv04_fifo(base);
-	struct nv04_fifo_chan *chan = NULL;
-	int ret = -ENOSYS;
-
-	nvif_ioctl(parent, "create channel dma size %d\n", size);
-	if (!(ret = nvif_unpack(ret, &data, &size, 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);
-		if (!args->v0.pushbuf)
-			return -EINVAL;
-	} else
-		return ret;
-
-	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
-		return -ENOMEM;
-	*pobject = &chan->base.object;
-
-	ret = nvkm_fifo_chan_ctor(&nv40_fifo_dma_func, &fifo->base,
-				  0x1000, 0x1000, false, 0, args->v0.pushbuf,
-				  BIT(NV04_FIFO_ENGN_SW) |
-				  BIT(NV04_FIFO_ENGN_GR) |
-				  BIT(NV04_FIFO_ENGN_MPEG) |
-				  BIT(NV04_FIFO_ENGN_DMA),
-				  0, 0xc00000, 0x1000, oclass, &chan->base);
-	if (ret)
-		return ret;
-
-	args->v0.chid = chan->base.chid;
-
-	chan->base.func->ramfc->write(&chan->base, args->v0.offset, 0, BIT(0), false);
-	return 0;
-}
-
-const struct nvkm_fifo_chan_oclass
-nv40_fifo_dma_oclass = {
-	.ctor = nv40_fifo_dma_new,
-};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c
index bc72c536f60d..6b229a3fbd97 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c
@@ -21,6 +21,7 @@
  *
  * Authors: Ben Skeggs
  */
+#include "priv.h"
 #include "cgrp.h"
 #include "chan.h"
 #include "runl.h"
@@ -28,9 +29,6 @@
 #include <core/ramht.h>
 #include <subdev/timer.h>
 
-#include "nv50.h"
-#include "channv50.h"
-
 #include <nvif/class.h>
 
 static void
@@ -210,7 +208,6 @@ g84_fifo_runl_ctor(struct nvkm_fifo *fifo)
 
 static const struct nvkm_fifo_func
 g84_fifo = {
-	.dtor = nv50_fifo_dtor,
 	.chid_nr = nv50_fifo_chid_nr,
 	.chid_ctor = nv50_fifo_chid_ctor,
 	.runl_ctor = g84_fifo_runl_ctor,
@@ -223,12 +220,12 @@ g84_fifo = {
 	.engn = &g84_engn,
 	.engn_sw = &nv50_engn_sw,
 	.cgrp = {{                          }, &nv04_cgrp },
-	.chan = {{ 0, 0, G82_CHANNEL_GPFIFO }, &g84_chan, .oclass = &g84_fifo_gpfifo_oclass },
+	.chan = {{ 0, 0, G82_CHANNEL_GPFIFO }, &g84_chan },
 };
 
 int
 g84_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	     struct nvkm_fifo **pfifo)
 {
-	return nv50_fifo_new_(&g84_fifo, device, type, inst, pfifo);
+	return nvkm_fifo_new_(&g84_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g98.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g98.c
index b2634f21d320..c6ca050c38bf 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g98.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g98.c
@@ -19,12 +19,10 @@
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  * OTHER DEALINGS IN THE SOFTWARE.
  */
+#include "priv.h"
 #include "chan.h"
 #include "runl.h"
 
-#include "nv50.h"
-#include "channv50.h"
-
 #include <nvif/class.h>
 
 static int
@@ -49,7 +47,6 @@ g98_fifo_runl_ctor(struct nvkm_fifo *fifo)
 
 static const struct nvkm_fifo_func
 g98_fifo = {
-	.dtor = nv50_fifo_dtor,
 	.chid_nr = nv50_fifo_chid_nr,
 	.chid_ctor = nv50_fifo_chid_ctor,
 	.runl_ctor = g98_fifo_runl_ctor,
@@ -62,12 +59,12 @@ g98_fifo = {
 	.engn = &g84_engn,
 	.engn_sw = &nv50_engn_sw,
 	.cgrp = {{                          }, &nv04_cgrp },
-	.chan = {{ 0, 0, G82_CHANNEL_GPFIFO }, &g84_chan, .oclass = &g84_fifo_gpfifo_oclass },
+	.chan = {{ 0, 0, G82_CHANNEL_GPFIFO }, &g84_chan },
 };
 
 int
 g98_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	       struct nvkm_fifo **pfifo)
 {
-	return nv50_fifo_new_(&g98_fifo, device, type, inst, pfifo);
+	return nvkm_fifo_new_(&g98_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga102.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga102.c
index e228ca3a5203..b0c7b562bfc8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga102.c
@@ -29,7 +29,7 @@
 #include <subdev/top.h>
 
 #include <nvif/cl0080.h>
-#include <nvif/clc36f.h>
+#include <nvif/if0020.h>
 #include <nvif/class.h>
 
 struct ga102_fifo {
@@ -148,9 +148,10 @@ static int
 ga102_chan_new(struct nvkm_device *device,
 	       const struct nvkm_oclass *oclass, void *argv, u32 argc, struct nvkm_object **pobject)
 {
-	struct volta_channel_gpfifo_a_v0 *args = argv;
+	struct nvif_chan_v0 *args = argv;
 	struct nvkm_top_device *tdev;
 	struct nvkm_vmm *vmm;
+	struct nvkm_memory *userd;
 	struct ga102_chan *chan;
 	int ret;
 
@@ -194,9 +195,9 @@ ga102_chan_new(struct nvkm_device *device,
 	nvkm_kmap(chan->inst);
 	nvkm_wo32(chan->inst, 0x010, 0x0000face);
 	nvkm_wo32(chan->inst, 0x030, 0x7ffff902);
-	nvkm_wo32(chan->inst, 0x048, lower_32_bits(args->ioffset));
-	nvkm_wo32(chan->inst, 0x04c, upper_32_bits(args->ioffset) |
-				     (order_base_2(args->ilength / 8) << 16));
+	nvkm_wo32(chan->inst, 0x048, lower_32_bits(args->offset));
+	nvkm_wo32(chan->inst, 0x04c, upper_32_bits(args->offset) |
+				     (order_base_2(args->length / 8) << 16));
 	nvkm_wo32(chan->inst, 0x084, 0x20400000);
 	nvkm_wo32(chan->inst, 0x094, 0x30000001);
 	nvkm_wo32(chan->inst, 0x0ac, 0x00020000);
@@ -209,7 +210,12 @@ ga102_chan_new(struct nvkm_device *device,
 	nvkm_wo32(chan->inst, 0x224, upper_32_bits(nvkm_memory_bar2(chan->mthd)));
 	nvkm_done(chan->inst);
 
-	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0x1000, true, &chan->user);
+	userd = nvkm_umem_search(oclass->client, args->huserd);
+	if (IS_ERR(userd))
+		return PTR_ERR(userd);
+
+	ret = nvkm_memory_kmap(userd, &chan->user);
+	nvkm_memory_unref(&userd);
 	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 2e2626168bf2..5bb65258c36d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
@@ -21,19 +21,18 @@
  *
  * Authors: Ben Skeggs
  */
+#include "priv.h"
 #include "cgrp.h"
 #include "chan.h"
 #include "chid.h"
 #include "runl.h"
 #include "runq.h"
 
-#include "gf100.h"
-#include "changf100.h"
-
 #include <core/gpuobj.h>
 #include <subdev/bar.h>
 #include <subdev/fault.h>
 #include <subdev/mc.h>
+#include <subdev/mmu.h>
 #include <engine/sw.h>
 
 #include <nvif/class.h>
@@ -942,16 +941,8 @@ gf100_fifo_chid_ctor(struct nvkm_fifo *fifo, int nr)
 	return nvkm_chid_new(&nvkm_chan_event, &fifo->engine.subdev, nr, 0, nr, &fifo->chid);
 }
 
-static void *
-gf100_fifo_dtor(struct nvkm_fifo *base)
-{
-	struct gf100_fifo *fifo = gf100_fifo(base);
-	return fifo;
-}
-
 static const struct nvkm_fifo_func
 gf100_fifo = {
-	.dtor = gf100_fifo_dtor,
 	.chid_nr = nv50_fifo_chid_nr,
 	.chid_ctor = gf100_fifo_chid_ctor,
 	.runq_nr = gf100_fifo_runq_nr,
@@ -967,18 +958,12 @@ gf100_fifo = {
 	.runq = &gf100_runq,
 	.engn = &gf100_engn,
 	.cgrp = {{                            }, &nv04_cgrp },
-	.chan = {{ 0, 0, FERMI_CHANNEL_GPFIFO }, &gf100_chan, .oclass = &gf100_fifo_gpfifo_oclass },
+	.chan = {{ 0, 0, FERMI_CHANNEL_GPFIFO }, &gf100_chan },
 };
 
 int
 gf100_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	       struct nvkm_fifo **pfifo)
 {
-	struct gf100_fifo *fifo;
-
-	if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL)))
-		return -ENOMEM;
-	*pfifo = &fifo->base;
-
-	return nvkm_fifo_ctor(&gf100_fifo, device, type, inst, &fifo->base);
+	return nvkm_fifo_new_(&gf100_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h
deleted file mode 100644
index 6027ee7dce5a..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __GF100_FIFO_H__
-#define __GF100_FIFO_H__
-#define gf100_fifo(p) container_of((p), struct gf100_fifo, base)
-#include "priv.h"
-
-#include <subdev/mmu.h>
-
-struct gf100_fifo {
-	struct nvkm_fifo base;
-};
-#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
index 6130f492f48a..d8a4d773a58c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
@@ -21,17 +21,16 @@
  *
  * Authors: Ben Skeggs
  */
+#include "priv.h"
+#include "cgrp.h"
 #include "chan.h"
 #include "chid.h"
 #include "runl.h"
 #include "runq.h"
 
-#include "gk104.h"
-#include "cgrp.h"
-#include "changk104.h"
-
 #include <core/gpuobj.h>
 #include <subdev/mc.h>
+#include <subdev/mmu.h>
 #include <subdev/top.h>
 
 #include <nvif/class.h>
@@ -805,56 +804,8 @@ gk104_fifo_chid_nr(struct nvkm_fifo *fifo)
 	return 4096;
 }
 
-int
-gk104_fifo_oneinit(struct nvkm_fifo *base)
-{
-	struct gk104_fifo *fifo = gk104_fifo(base);
-	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
-	struct nvkm_device *device = subdev->device;
-	struct nvkm_top_device *tdev;
-
-	/* Determine runlist configuration from topology device info. */
-	list_for_each_entry(tdev, &device->top->device, head) {
-		const int engn = tdev->engine;
-
-		if (engn < 0)
-			continue;
-
-		fifo->runlist[tdev->runlist].engm |= BIT(engn);
-		fifo->runlist[tdev->runlist].engm_sw |= BIT(engn);
-		if (tdev->type == NVKM_ENGINE_GR)
-			fifo->runlist[tdev->runlist].engm_sw |= BIT(GK104_FIFO_ENGN_SW);
-		fifo->runlist_nr = max(fifo->runlist_nr, tdev->runlist + 1);
-	}
-
-	return 0;
-}
-
-void *
-gk104_fifo_dtor(struct nvkm_fifo *base)
-{
-	struct gk104_fifo *fifo = gk104_fifo(base);
-	return fifo;
-}
-
-int
-gk104_fifo_new_(const struct gk104_fifo_func *func, struct nvkm_device *device,
-		enum nvkm_subdev_type type, int inst, int nr, struct nvkm_fifo **pfifo)
-{
-	struct gk104_fifo *fifo;
-
-	if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL)))
-		return -ENOMEM;
-	fifo->func = func;
-	*pfifo = &fifo->base;
-
-	return nvkm_fifo_ctor(func, device, type, inst, &fifo->base);
-}
-
 static const struct nvkm_fifo_func
 gk104_fifo = {
-	.dtor = gk104_fifo_dtor,
-	.oneinit = gk104_fifo_oneinit,
 	.chid_nr = gk104_fifo_chid_nr,
 	.chid_ctor = gf100_fifo_chid_ctor,
 	.runq_nr = gf100_fifo_runq_nr,
@@ -871,12 +822,12 @@ gk104_fifo = {
 	.engn = &gk104_engn,
 	.engn_ce = &gk104_engn_ce,
 	.cgrp = {{                               }, &nv04_cgrp },
-	.chan = {{ 0, 0, KEPLER_CHANNEL_GPFIFO_A }, &gk104_chan, .ctor = &gk104_fifo_gpfifo_new },
+	.chan = {{ 0, 0, KEPLER_CHANNEL_GPFIFO_A }, &gk104_chan },
 };
 
 int
 gk104_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	       struct nvkm_fifo **pfifo)
 {
-	return gk104_fifo_new_(&gk104_fifo, device, type, inst, 0, pfifo);
+	return nvkm_fifo_new_(&gk104_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h
deleted file mode 100644
index 97fc9ccc2930..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __GK104_FIFO_H__
-#define __GK104_FIFO_H__
-#define gk104_fifo(p) container_of((p), struct gk104_fifo, base)
-#include "priv.h"
-struct nvkm_fifo_cgrp;
-
-#include <subdev/mmu.h>
-
-#define gk104_fifo_func nvkm_fifo_func
-
-struct gk104_fifo_chan;
-struct gk104_fifo {
-	const struct gk104_fifo_func *func;
-	struct nvkm_fifo base;
-
-	struct {
-		u32 engm;
-		u32 engm_sw;
-	} runlist[16];
-	int runlist_nr;
-};
-
-int gk104_fifo_new_(const struct gk104_fifo_func *, struct nvkm_device *, enum nvkm_subdev_type,
-		    int index, int nr, struct nvkm_fifo **);
-void *gk104_fifo_dtor(struct nvkm_fifo *base);
-int gk104_fifo_oneinit(struct nvkm_fifo *);
-#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c
index 2afbaf42572d..a8ff21cf7712 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c
@@ -21,14 +21,12 @@
  *
  * Authors: Ben Skeggs
  */
+#include "priv.h"
 #include "cgrp.h"
 #include "chan.h"
 #include "chid.h"
 #include "runl.h"
 
-#include "gk104.h"
-#include "changk104.h"
-
 #include <core/memory.h>
 #include <subdev/timer.h>
 
@@ -107,8 +105,6 @@ gk110_fifo_chid_ctor(struct nvkm_fifo *fifo, int nr)
 
 static const struct nvkm_fifo_func
 gk110_fifo = {
-	.dtor = gk104_fifo_dtor,
-	.oneinit = gk104_fifo_oneinit,
 	.chid_nr = gk104_fifo_chid_nr,
 	.chid_ctor = gk110_fifo_chid_ctor,
 	.runq_nr = gf100_fifo_runq_nr,
@@ -125,12 +121,12 @@ gk110_fifo = {
 	.engn = &gk104_engn,
 	.engn_ce = &gk104_engn_ce,
 	.cgrp = {{ 0, 0, KEPLER_CHANNEL_GROUP_A  }, &gk110_cgrp },
-	.chan = {{ 0, 0, KEPLER_CHANNEL_GPFIFO_B }, &gk110_chan, .ctor = &gk104_fifo_gpfifo_new },
+	.chan = {{ 0, 0, KEPLER_CHANNEL_GPFIFO_B }, &gk110_chan },
 };
 
 int
 gk110_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	       struct nvkm_fifo **pfifo)
 {
-	return gk104_fifo_new_(&gk110_fifo, device, type, inst, 0, pfifo);
+	return nvkm_fifo_new_(&gk110_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c
index 3727be30d7f4..8fa2b0be141a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c
@@ -21,9 +21,8 @@
  *
  * Authors: Ben Skeggs
  */
+#include "priv.h"
 #include "runq.h"
-#include "gk104.h"
-#include "changk104.h"
 
 #include <nvif/class.h>
 
@@ -51,8 +50,6 @@ gk208_fifo_chid_nr(struct nvkm_fifo *fifo)
 
 static const struct nvkm_fifo_func
 gk208_fifo = {
-	.dtor = gk104_fifo_dtor,
-	.oneinit = gk104_fifo_oneinit,
 	.chid_nr = gk208_fifo_chid_nr,
 	.chid_ctor = gk110_fifo_chid_ctor,
 	.runq_nr = gf100_fifo_runq_nr,
@@ -69,12 +66,12 @@ gk208_fifo = {
 	.engn = &gk104_engn,
 	.engn_ce = &gk104_engn_ce,
 	.cgrp = {{ 0, 0, KEPLER_CHANNEL_GROUP_A  }, &gk110_cgrp },
-	.chan = {{ 0, 0, KEPLER_CHANNEL_GPFIFO_A }, &gk110_chan, .ctor = &gk104_fifo_gpfifo_new },
+	.chan = {{ 0, 0, KEPLER_CHANNEL_GPFIFO_A }, &gk110_chan },
 };
 
 int
 gk208_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	       struct nvkm_fifo **pfifo)
 {
-	return gk104_fifo_new_(&gk208_fifo, device, type, inst, 0, pfifo);
+	return nvkm_fifo_new_(&gk208_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk20a.c
index eda1446dce27..b63ca836130f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk20a.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk20a.c
@@ -19,15 +19,12 @@
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  */
-#include "gk104.h"
-#include "changk104.h"
+#include "priv.h"
 
 #include <nvif/class.h>
 
 static const struct nvkm_fifo_func
 gk20a_fifo = {
-	.dtor = gk104_fifo_dtor,
-	.oneinit = gk104_fifo_oneinit,
 	.chid_nr = nv50_fifo_chid_nr,
 	.chid_ctor = gk110_fifo_chid_ctor,
 	.runq_nr = gf100_fifo_runq_nr,
@@ -44,12 +41,12 @@ gk20a_fifo = {
 	.engn = &gk104_engn,
 	.engn_ce = &gk104_engn_ce,
 	.cgrp = {{                               }, &gk110_cgrp },
-	.chan = {{ 0, 0, KEPLER_CHANNEL_GPFIFO_A }, &gk110_chan, .ctor = &gk104_fifo_gpfifo_new },
+	.chan = {{ 0, 0, KEPLER_CHANNEL_GPFIFO_A }, &gk110_chan },
 };
 
 int
 gk20a_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	       struct nvkm_fifo **pfifo)
 {
-	return gk104_fifo_new_(&gk20a_fifo, device, type, inst, 0, pfifo);
+	return nvkm_fifo_new_(&gk20a_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm107.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm107.c
index 1089062313cc..5ba60021b510 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm107.c
@@ -24,8 +24,6 @@
 #include "priv.h"
 #include "chan.h"
 #include "runl.h"
-#include "gk104.h"
-#include "changk104.h"
 
 #include <core/gpuobj.h>
 #include <subdev/fault.h>
@@ -131,8 +129,6 @@ gm107_fifo_chid_nr(struct nvkm_fifo *fifo)
 
 static const struct nvkm_fifo_func
 gm107_fifo = {
-	.dtor = gk104_fifo_dtor,
-	.oneinit = gk104_fifo_oneinit,
 	.chid_nr = gm107_fifo_chid_nr,
 	.chid_ctor = gk110_fifo_chid_ctor,
 	.runq_nr = gf100_fifo_runq_nr,
@@ -149,12 +145,12 @@ gm107_fifo = {
 	.engn = &gk104_engn,
 	.engn_ce = &gk104_engn_ce,
 	.cgrp = {{ 0, 0, KEPLER_CHANNEL_GROUP_A  }, &gk110_cgrp },
-	.chan = {{ 0, 0, KEPLER_CHANNEL_GPFIFO_B }, &gm107_chan, .ctor = &gk104_fifo_gpfifo_new },
+	.chan = {{ 0, 0, KEPLER_CHANNEL_GPFIFO_B }, &gm107_chan },
 };
 
 int
 gm107_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	       struct nvkm_fifo **pfifo)
 {
-	return gk104_fifo_new_(&gm107_fifo, device, type, inst, 0, pfifo);
+	return nvkm_fifo_new_(&gm107_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c
index 286c1098b665..d92d1ac39191 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c
@@ -21,8 +21,7 @@
  *
  * Authors: Ben Skeggs
  */
-#include "gk104.h"
-#include "changk104.h"
+#include "priv.h"
 
 #include <nvif/class.h>
 
@@ -40,8 +39,6 @@ gm200_fifo_chid_nr(struct nvkm_fifo *fifo)
 
 static const struct nvkm_fifo_func
 gm200_fifo = {
-	.dtor = gk104_fifo_dtor,
-	.oneinit = gk104_fifo_oneinit,
 	.chid_nr = gm200_fifo_chid_nr,
 	.chid_ctor = gk110_fifo_chid_ctor,
 	.runq_nr = gm200_fifo_runq_nr,
@@ -58,12 +55,12 @@ gm200_fifo = {
 	.engn = &gk104_engn,
 	.engn_ce = &gk104_engn_ce,
 	.cgrp = {{ 0, 0,  KEPLER_CHANNEL_GROUP_A  }, &gk110_cgrp },
-	.chan = {{ 0, 0, MAXWELL_CHANNEL_GPFIFO_A }, &gm107_chan, .ctor = &gk104_fifo_gpfifo_new },
+	.chan = {{ 0, 0, MAXWELL_CHANNEL_GPFIFO_A }, &gm107_chan },
 };
 
 int
 gm200_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	       struct nvkm_fifo **pfifo)
 {
-	return gk104_fifo_new_(&gm200_fifo, device, type, inst, 0, pfifo);
+	return nvkm_fifo_new_(&gm200_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c
index 45d536d448f0..65bdb6a7d517 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c
@@ -21,9 +21,8 @@
  *
  * Authors: Ben Skeggs
  */
+#include "priv.h"
 #include "runl.h"
-#include "gk104.h"
-#include "changk104.h"
 
 #include <core/gpuobj.h>
 #include <subdev/fault.h>
@@ -113,8 +112,6 @@ gp100_fifo_intr_mmu_fault_unit(struct nvkm_fifo *fifo, int unit)
 
 static const struct nvkm_fifo_func
 gp100_fifo = {
-	.dtor = gk104_fifo_dtor,
-	.oneinit = gk104_fifo_oneinit,
 	.chid_nr = gm200_fifo_chid_nr,
 	.chid_ctor = gk110_fifo_chid_ctor,
 	.runq_nr = gm200_fifo_runq_nr,
@@ -131,12 +128,12 @@ gp100_fifo = {
 	.engn = &gk104_engn,
 	.engn_ce = &gk104_engn_ce,
 	.cgrp = {{ 0, 0, KEPLER_CHANNEL_GROUP_A  }, &gk110_cgrp, .force = true },
-	.chan = {{ 0, 0, PASCAL_CHANNEL_GPFIFO_A }, &gm107_chan, .ctor = &gk104_fifo_gpfifo_new },
+	.chan = {{ 0, 0, PASCAL_CHANNEL_GPFIFO_A }, &gm107_chan },
 };
 
 int
 gp100_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	       struct nvkm_fifo **pfifo)
 {
-	return gk104_fifo_new_(&gp100_fifo, device, type, inst, 0, pfifo);
+	return nvkm_fifo_new_(&gp100_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c
deleted file mode 100644
index 31022441ee8f..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * 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/cl826f.h>
-#include <nvif/unpack.h>
-
-static int
-g84_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
-		    void *data, u32 size, struct nvkm_object **pobject)
-{
-	struct nvkm_object *parent = oclass->parent;
-	union {
-		struct g82_channel_gpfifo_v0 v0;
-	} *args = data;
-	struct nv50_fifo *fifo = nv50_fifo(base);
-	struct nv50_fifo_chan *chan;
-	u64 ioffset, ilength;
-	int ret = -ENOSYS;
-
-	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
-	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
-		nvif_ioctl(parent, "create channel gpfifo vers %d vmm %llx "
-				   "pushbuf %llx ioffset %016llx "
-				   "ilength %08x\n",
-			   args->v0.version, args->v0.vmm, args->v0.pushbuf,
-			   args->v0.ioffset, args->v0.ilength);
-		if (!args->v0.pushbuf)
-			return -EINVAL;
-	} else
-		return ret;
-
-	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
-		return -ENOMEM;
-	*pobject = &chan->base.object;
-
-	ret = g84_fifo_chan_ctor(fifo, args->v0.vmm, args->v0.pushbuf,
-				 oclass, chan);
-	if (ret)
-		return ret;
-
-	args->v0.chid = chan->base.chid;
-	ioffset = args->v0.ioffset;
-	ilength = args->v0.ilength;
-
-	chan->base.func->ramfc->write(&chan->base, ioffset, ilength, BIT(0), false);
-	return 0;
-}
-
-const struct nvkm_fifo_chan_oclass
-g84_fifo_gpfifo_oclass = {
-	.ctor = g84_fifo_gpfifo_new,
-};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
deleted file mode 100644
index f87a54e2f575..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * 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 <core/gpuobj.h>
-#include <subdev/fb.h>
-#include <subdev/timer.h>
-
-#include <nvif/cl906f.h>
-#include <nvif/unpack.h>
-
-static void *
-gf100_fifo_gpfifo_dtor(struct nvkm_fifo_chan *base)
-{
-	return gf100_fifo_chan(base);
-}
-
-static const struct nvkm_fifo_chan_func
-gf100_fifo_gpfifo_func = {
-	.dtor = gf100_fifo_gpfifo_dtor,
-};
-
-static int
-gf100_fifo_gpfifo_new(struct nvkm_fifo *base, const 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 = gf100_fifo(base);
-	struct nvkm_object *parent = oclass->parent;
-	struct gf100_fifo_chan *chan;
-	u64 usermem, ioffset, ilength;
-	int ret = -ENOSYS;
-
-	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
-	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
-		nvif_ioctl(parent, "create channel gpfifo vers %d vmm %llx "
-				   "ioffset %016llx ilength %08x\n",
-			   args->v0.version, args->v0.vmm, args->v0.ioffset,
-			   args->v0.ilength);
-		if (!args->v0.vmm)
-			return -EINVAL;
-	} else
-		return ret;
-
-	/* allocate channel */
-	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
-		return -ENOMEM;
-	*pobject = &chan->base.object;
-
-	ret = nvkm_fifo_chan_ctor(&gf100_fifo_gpfifo_func, &fifo->base,
-				  0x1000, 0x1000, true, args->v0.vmm, 0,
-				  BIT(GF100_FIFO_ENGN_GR) |
-				  BIT(GF100_FIFO_ENGN_MSPDEC) |
-				  BIT(GF100_FIFO_ENGN_MSPPP) |
-				  BIT(GF100_FIFO_ENGN_MSVLD) |
-				  BIT(GF100_FIFO_ENGN_CE0) |
-				  BIT(GF100_FIFO_ENGN_CE1) |
-				  BIT(GF100_FIFO_ENGN_SW),
-				  0, 0, 0,
-				  oclass, &chan->base);
-	if (ret)
-		return ret;
-
-	args->v0.chid = chan->base.chid;
-
-	usermem = nvkm_memory_addr(chan->base.userd.mem) + chan->base.userd.base;
-	ioffset = args->v0.ioffset;
-	ilength = args->v0.ilength;
-
-	chan->base.func->ramfc->write(&chan->base, ioffset, ilength, BIT(0), false);
-	return 0;
-}
-
-const struct nvkm_fifo_chan_oclass
-gf100_fifo_gpfifo_oclass = {
-	.ctor = gf100_fifo_gpfifo_new,
-};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
deleted file mode 100644
index 5036edb62dbd..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * 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 "cgrp.h"
-
-#include <core/client.h>
-#include <core/gpuobj.h>
-#include <subdev/fb.h>
-#include <subdev/mmu.h>
-#include <subdev/timer.h>
-
-#include <nvif/cla06f.h>
-#include <nvif/unpack.h>
-
-void *
-gk104_fifo_gpfifo_dtor(struct nvkm_fifo_chan *base)
-{
-	struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
-	return chan;
-}
-
-const struct nvkm_fifo_chan_func
-gk104_fifo_gpfifo_func = {
-	.dtor = gk104_fifo_gpfifo_dtor,
-};
-
-static int
-gk104_fifo_gpfifo_new_(struct gk104_fifo *fifo, u64 *runlists, u16 *chid,
-		       u64 vmm, u64 ioffset, u64 ilength, u64 *inst, bool priv,
-		       const struct nvkm_oclass *oclass,
-		       struct nvkm_object **pobject)
-{
-	struct gk104_fifo_chan *chan;
-	int runlist = ffs(*runlists) -1, ret;
-
-	if (!vmm || runlist < 0 || runlist >= fifo->runlist_nr)
-		return -EINVAL;
-	*runlists = BIT_ULL(runlist);
-
-	/* Allocate the channel. */
-	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
-		return -ENOMEM;
-	*pobject = &chan->base.object;
-	chan->runl = runlist;
-
-	ret = nvkm_fifo_chan_ctor(&gk104_fifo_gpfifo_func, &fifo->base,
-				  0x1000, 0x1000, true, vmm, 0, fifo->runlist[runlist].engm_sw,
-				  0, 0, 0,
-				  oclass, &chan->base);
-	if (ret)
-		return ret;
-
-	*chid = chan->base.chid;
-	*inst = chan->base.inst->addr;
-
-	chan->base.func->ramfc->write(&chan->base, ioffset, ilength, BIT(0), priv);
-	return 0;
-}
-
-int
-gk104_fifo_gpfifo_new(struct gk104_fifo *fifo, const struct nvkm_oclass *oclass,
-		      void *data, u32 size, struct nvkm_object **pobject)
-{
-	struct nvkm_object *parent = oclass->parent;
-	union {
-		struct kepler_channel_gpfifo_a_v0 v0;
-	} *args = data;
-	int ret = -ENOSYS;
-
-	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
-	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
-		nvif_ioctl(parent, "create channel gpfifo vers %d vmm %llx "
-				   "ioffset %016llx ilength %08x "
-				   "runlist %016llx priv %d\n",
-			   args->v0.version, args->v0.vmm, args->v0.ioffset,
-			   args->v0.ilength, args->v0.runlist, args->v0.priv);
-		return gk104_fifo_gpfifo_new_(fifo,
-					      &args->v0.runlist,
-					      &args->v0.chid,
-					       args->v0.vmm,
-					       args->v0.ioffset,
-					       args->v0.ilength,
-					      &args->v0.inst,
-					       args->v0.priv,
-					      oclass, pobject);
-	}
-
-	return ret;
-}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c
deleted file mode 100644
index a97ec53d7e6e..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright 2018 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.
- */
-#include "changk104.h"
-#include "cgrp.h"
-
-#include <core/client.h>
-#include <core/gpuobj.h>
-
-#include <nvif/clc36f.h>
-#include <nvif/unpack.h>
-
-static const struct nvkm_fifo_chan_func
-gv100_fifo_gpfifo = {
-	.dtor = gk104_fifo_gpfifo_dtor,
-};
-
-int
-gv100_fifo_gpfifo_new_(const struct nvkm_fifo_chan_func *func,
-		       struct gk104_fifo *fifo, u64 *runlists, u16 *chid,
-		       u64 vmm, u64 ioffset, u64 ilength, u64 *inst, bool priv,
-		       u32 *token, const struct nvkm_oclass *oclass,
-		       struct nvkm_object **pobject)
-{
-	struct gk104_fifo_chan *chan;
-	int runlist = ffs(*runlists) -1, ret;
-
-	if (!vmm || runlist < 0 || runlist >= fifo->runlist_nr)
-		return -EINVAL;
-	*runlists = BIT_ULL(runlist);
-
-	/* Allocate the channel. */
-	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
-		return -ENOMEM;
-	*pobject = &chan->base.object;
-	chan->runl = runlist;
-
-	ret = nvkm_fifo_chan_ctor(func, &fifo->base, 0x1000, 0x1000, true, vmm,
-				  0, fifo->runlist[runlist].engm, 0, 0, 0,
-				  oclass, &chan->base);
-	if (ret)
-		return ret;
-
-	*chid = chan->base.chid;
-	*inst = chan->base.inst->addr;
-	*token = chan->base.func->doorbell_handle(&chan->base);
-
-	chan->base.func->ramfc->write(&chan->base, ioffset, ilength, BIT(0), priv);
-	return 0;
-}
-
-int
-gv100_fifo_gpfifo_new(struct gk104_fifo *fifo, const struct nvkm_oclass *oclass,
-		      void *data, u32 size, struct nvkm_object **pobject)
-{
-	struct nvkm_object *parent = oclass->parent;
-	union {
-		struct volta_channel_gpfifo_a_v0 v0;
-	} *args = data;
-	int ret = -ENOSYS;
-
-	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
-	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
-		nvif_ioctl(parent, "create channel gpfifo vers %d vmm %llx "
-				   "ioffset %016llx ilength %08x "
-				   "runlist %016llx priv %d\n",
-			   args->v0.version, args->v0.vmm, args->v0.ioffset,
-			   args->v0.ilength, args->v0.runlist, args->v0.priv);
-		return gv100_fifo_gpfifo_new_(&gv100_fifo_gpfifo, fifo,
-					      &args->v0.runlist,
-					      &args->v0.chid,
-					       args->v0.vmm,
-					       args->v0.ioffset,
-					       args->v0.ilength,
-					      &args->v0.inst,
-					       args->v0.priv,
-					      &args->v0.token,
-					      oclass, pobject);
-	}
-
-	return ret;
-}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifonv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifonv50.c
deleted file mode 100644
index 88ea7c29941e..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifonv50.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * 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/cl506f.h>
-#include <nvif/unpack.h>
-
-static int
-nv50_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
-		     void *data, u32 size, struct nvkm_object **pobject)
-{
-	struct nvkm_object *parent = oclass->parent;
-	union {
-		struct nv50_channel_gpfifo_v0 v0;
-	} *args = data;
-	struct nv50_fifo *fifo = nv50_fifo(base);
-	struct nv50_fifo_chan *chan;
-	u64 ioffset, ilength;
-	int ret = -ENOSYS;
-
-	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
-	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
-		nvif_ioctl(parent, "create channel gpfifo vers %d vmm %llx "
-				   "pushbuf %llx ioffset %016llx "
-				   "ilength %08x\n",
-			   args->v0.version, args->v0.vmm, args->v0.pushbuf,
-			   args->v0.ioffset, args->v0.ilength);
-		if (!args->v0.pushbuf)
-			return -EINVAL;
-	} else
-		return ret;
-
-	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
-		return -ENOMEM;
-	*pobject = &chan->base.object;
-
-	ret = nv50_fifo_chan_ctor(fifo, args->v0.vmm, args->v0.pushbuf,
-				  oclass, chan);
-	if (ret)
-		return ret;
-
-	args->v0.chid = chan->base.chid;
-	ioffset = args->v0.ioffset;
-	ilength = args->v0.ilength;
-
-	chan->base.func->ramfc->write(&chan->base, ioffset, ilength, BIT(0), false);
-	return 0;
-}
-
-const struct nvkm_fifo_chan_oclass
-nv50_fifo_gpfifo_oclass = {
-	.ctor = nv50_fifo_gpfifo_new,
-};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifotu102.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifotu102.c
deleted file mode 100644
index 62a0f9664a9d..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifotu102.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2018 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.
- */
-#include "changk104.h"
-#include "cgrp.h"
-
-#include <core/client.h>
-#include <core/gpuobj.h>
-
-#include <nvif/clc36f.h>
-#include <nvif/unpack.h>
-
-static const struct nvkm_fifo_chan_func
-tu102_fifo_gpfifo = {
-	.dtor = gk104_fifo_gpfifo_dtor,
-};
-
-int
-tu102_fifo_gpfifo_new(struct gk104_fifo *fifo, const struct nvkm_oclass *oclass,
-		      void *data, u32 size, struct nvkm_object **pobject)
-{
-	struct nvkm_object *parent = oclass->parent;
-	union {
-		struct volta_channel_gpfifo_a_v0 v0;
-	} *args = data;
-	int ret = -ENOSYS;
-
-	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
-	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
-		nvif_ioctl(parent, "create channel gpfifo vers %d vmm %llx "
-				   "ioffset %016llx ilength %08x "
-				   "runlist %016llx priv %d\n",
-			   args->v0.version, args->v0.vmm, args->v0.ioffset,
-			   args->v0.ilength, args->v0.runlist, args->v0.priv);
-		return gv100_fifo_gpfifo_new_(&tu102_fifo_gpfifo, fifo,
-					      &args->v0.runlist,
-					      &args->v0.chid,
-					       args->v0.vmm,
-					       args->v0.ioffset,
-					       args->v0.ilength,
-					      &args->v0.inst,
-					       args->v0.priv,
-					      &args->v0.token,
-					      oclass, pobject);
-	}
-
-	return ret;
-}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gv100.c
index d55dfc93c61e..33066c8cdc64 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gv100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gv100.c
@@ -19,16 +19,15 @@
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  * OTHER DEALINGS IN THE SOFTWARE.
  */
+#include "priv.h"
 #include "chan.h"
 #include "chid.h"
 #include "cgrp.h"
 #include "runl.h"
 #include "runq.h"
 
-#include "gk104.h"
-#include "changk104.h"
-
 #include <core/gpuobj.h>
+#include <subdev/mmu.h>
 
 #include <nvif/class.h>
 
@@ -71,7 +70,7 @@ gv100_chan_ramfc = {
 
 const struct nvkm_chan_func_userd
 gv100_chan_userd = {
-	.bar = 1, /*FIXME: hw doesn't have poller, flip to user-allocated in uapi commit. */
+	.bar = -1,
 	.size = 0x200,
 	.clear = gf100_chan_userd_clear,
 };
@@ -467,8 +466,6 @@ gv100_fifo_intr_ctxsw_timeout(struct nvkm_fifo *fifo, u32 engm)
 
 static const struct nvkm_fifo_func
 gv100_fifo = {
-	.dtor = gk104_fifo_dtor,
-	.oneinit = gk104_fifo_oneinit,
 	.chid_nr = gm200_fifo_chid_nr,
 	.chid_ctor = gk110_fifo_chid_ctor,
 	.runq_nr = gm200_fifo_runq_nr,
@@ -484,12 +481,12 @@ gv100_fifo = {
 	.engn = &gv100_engn,
 	.engn_ce = &gv100_engn_ce,
 	.cgrp = {{ 0, 0, KEPLER_CHANNEL_GROUP_A  }, &gk110_cgrp, .force = true },
-	.chan = {{ 0, 0,  VOLTA_CHANNEL_GPFIFO_A }, &gv100_chan, .ctor = gv100_fifo_gpfifo_new },
+	.chan = {{ 0, 0,  VOLTA_CHANNEL_GPFIFO_A }, &gv100_chan },
 };
 
 int
 gv100_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	       struct nvkm_fifo **pfifo)
 {
-	return gk104_fifo_new_(&gv100_fifo, device, type, inst, 0, pfifo);
+	return nvkm_fifo_new_(&gv100_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c
index 73ae205fc6ba..674faf002b20 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c
@@ -21,13 +21,12 @@
  *
  * Authors: Ben Skeggs
  */
+#include "priv.h"
 #include "cgrp.h"
 #include "chan.h"
 #include "chid.h"
 #include "runl.h"
 
-#include "nv04.h"
-#include "channv04.h"
 #include "regsnv04.h"
 
 #include <core/ramht.h>
@@ -520,25 +519,6 @@ nv04_fifo_chid_nr(struct nvkm_fifo *fifo)
 	return 16;
 }
 
-int
-nv04_fifo_new_(const struct nvkm_fifo_func *func, struct nvkm_device *device,
-	       enum nvkm_subdev_type type, int inst, int nr, const struct nv04_fifo_ramfc *ramfc,
-	       struct nvkm_fifo **pfifo)
-{
-	struct nv04_fifo *fifo;
-	int ret;
-
-	if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL)))
-		return -ENOMEM;
-	*pfifo = &fifo->base;
-
-	ret = nvkm_fifo_ctor(func, device, type, inst, &fifo->base);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
 static const struct nvkm_fifo_func
 nv04_fifo = {
 	.chid_nr = nv04_fifo_chid_nr,
@@ -552,12 +532,12 @@ nv04_fifo = {
 	.engn = &nv04_engn,
 	.engn_sw = &nv04_engn,
 	.cgrp = {{                        }, &nv04_cgrp },
-	.chan = {{ 0, 0, NV03_CHANNEL_DMA }, &nv04_chan, .oclass = &nv04_fifo_dma_oclass },
+	.chan = {{ 0, 0, NV03_CHANNEL_DMA }, &nv04_chan },
 };
 
 int
 nv04_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	      struct nvkm_fifo **pfifo)
 {
-	return nv04_fifo_new_(&nv04_fifo, device, type, inst, 0, NULL, pfifo);
+	return nvkm_fifo_new_(&nv04_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h
deleted file mode 100644
index 93248ab24a81..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __NV04_FIFO_H__
-#define __NV04_FIFO_H__
-#define nv04_fifo(p) container_of((p), struct nv04_fifo, base)
-#include "priv.h"
-
-#define nv04_fifo_ramfc nvkm_ramfc_layout
-
-struct nv04_fifo {
-	struct nvkm_fifo base;
-};
-
-int nv04_fifo_new_(const struct nvkm_fifo_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
-		   int nr, const struct nv04_fifo_ramfc *, struct nvkm_fifo **);
-#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv10.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv10.c
index 9658ac3dac91..a4bcf6b0a7e2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv10.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv10.c
@@ -21,6 +21,7 @@
  *
  * Authors: Ben Skeggs
  */
+#include "priv.h"
 #include "cgrp.h"
 #include "chan.h"
 #include "runl.h"
@@ -28,8 +29,6 @@
 #include <core/gpuobj.h>
 #include <subdev/instmem.h>
 
-#include "nv04.h"
-#include "channv04.h"
 #include "regsnv04.h"
 
 #include <nvif/class.h>
@@ -103,12 +102,12 @@ nv10_fifo = {
 	.engn = &nv04_engn,
 	.engn_sw = &nv04_engn,
 	.cgrp = {{                        }, &nv04_cgrp },
-	.chan = {{ 0, 0, NV10_CHANNEL_DMA }, &nv10_chan, .oclass = &nv10_fifo_dma_oclass },
+	.chan = {{ 0, 0, NV10_CHANNEL_DMA }, &nv10_chan },
 };
 
 int
 nv10_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	      struct nvkm_fifo **pfifo)
 {
-	return nv04_fifo_new_(&nv10_fifo, device, type, inst, 0, NULL, pfifo);
+	return nvkm_fifo_new_(&nv10_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv17.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv17.c
index fb0b106eb09b..c70f44fd4f3b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv17.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv17.c
@@ -21,13 +21,12 @@
  *
  * Authors: Ben Skeggs
  */
+#include "priv.h"
 #include "cgrp.h"
 #include "chan.h"
 #include "chid.h"
 #include "runl.h"
 
-#include "nv04.h"
-#include "channv04.h"
 #include "regsnv04.h"
 
 #include <core/ramht.h>
@@ -132,12 +131,12 @@ nv17_fifo = {
 	.engn = &nv04_engn,
 	.engn_sw = &nv04_engn,
 	.cgrp = {{                        }, &nv04_cgrp },
-	.chan = {{ 0, 0, NV17_CHANNEL_DMA }, &nv17_chan, .oclass = &nv17_fifo_dma_oclass },
+	.chan = {{ 0, 0, NV17_CHANNEL_DMA }, &nv17_chan },
 };
 
 int
 nv17_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	      struct nvkm_fifo **pfifo)
 {
-	return nv04_fifo_new_(&nv17_fifo, device, type, inst, 0, NULL, pfifo);
+	return nvkm_fifo_new_(&nv17_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c
index 7574be50d959..e50a94b6d7f8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c
@@ -21,13 +21,12 @@
  *
  * Authors: Ben Skeggs
  */
+#include "priv.h"
 #include "cgrp.h"
 #include "chan.h"
 #include "chid.h"
 #include "runl.h"
 
-#include "nv04.h"
-#include "channv04.h"
 #include "regsnv04.h"
 
 #include <core/ramht.h>
@@ -242,12 +241,12 @@ nv40_fifo = {
 	.engn = &nv40_engn,
 	.engn_sw = &nv40_engn_sw,
 	.cgrp = {{                        }, &nv04_cgrp },
-	.chan = {{ 0, 0, NV40_CHANNEL_DMA }, &nv40_chan, .oclass = &nv40_fifo_dma_oclass },
+	.chan = {{ 0, 0, NV40_CHANNEL_DMA }, &nv40_chan },
 };
 
 int
 nv40_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	      struct nvkm_fifo **pfifo)
 {
-	return nv04_fifo_new_(&nv40_fifo, device, type, inst, 0, NULL, pfifo);
+	return nvkm_fifo_new_(&nv40_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c
index 829c52a44a36..954b5f3a7d57 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c
@@ -21,6 +21,7 @@
  *
  * Authors: Ben Skeggs
  */
+#include "priv.h"
 #include "cgrp.h"
 #include "chan.h"
 #include "chid.h"
@@ -29,9 +30,6 @@
 #include <core/ramht.h>
 #include <subdev/timer.h>
 
-#include "nv50.h"
-#include "channv50.h"
-
 #include <nvif/class.h>
 
 void
@@ -376,34 +374,8 @@ nv50_fifo_chid_nr(struct nvkm_fifo *fifo)
 	return 128;
 }
 
-void *
-nv50_fifo_dtor(struct nvkm_fifo *base)
-{
-	struct nv50_fifo *fifo = nv50_fifo(base);
-	return fifo;
-}
-
-int
-nv50_fifo_new_(const struct nvkm_fifo_func *func, struct nvkm_device *device,
-	       enum nvkm_subdev_type type, int inst, struct nvkm_fifo **pfifo)
-{
-	struct nv50_fifo *fifo;
-	int ret;
-
-	if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL)))
-		return -ENOMEM;
-	*pfifo = &fifo->base;
-
-	ret = nvkm_fifo_ctor(func, device, type, inst, &fifo->base);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
 static const struct nvkm_fifo_func
 nv50_fifo = {
-	.dtor = nv50_fifo_dtor,
 	.chid_nr = nv50_fifo_chid_nr,
 	.chid_ctor = nv50_fifo_chid_ctor,
 	.runl_ctor = nv04_fifo_runl_ctor,
@@ -415,12 +387,12 @@ nv50_fifo = {
 	.engn = &nv50_engn,
 	.engn_sw = &nv50_engn_sw,
 	.cgrp = {{                           }, &nv04_cgrp },
-	.chan = {{ 0, 0, NV50_CHANNEL_GPFIFO }, &nv50_chan, .oclass = &nv50_fifo_gpfifo_oclass },
+	.chan = {{ 0, 0, NV50_CHANNEL_GPFIFO }, &nv50_chan },
 };
 
 int
 nv50_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	      struct nvkm_fifo **pfifo)
 {
-	return nv50_fifo_new_(&nv50_fifo, device, type, inst, pfifo);
+	return nvkm_fifo_new_(&nv50_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h
deleted file mode 100644
index 3c6d67906730..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-#ifndef __NV50_FIFO_H__
-#define __NV50_FIFO_H__
-#define nv50_fifo(p) container_of((p), struct nv50_fifo, base)
-#include "priv.h"
-
-struct nv50_fifo {
-	struct nvkm_fifo base;
-};
-
-int nv50_fifo_new_(const struct nvkm_fifo_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
-		   struct nvkm_fifo **);
-
-void *nv50_fifo_dtor(struct nvkm_fifo *);
-#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
index a5df5e2d9d4b..24125e2d5d4f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
@@ -11,13 +11,8 @@ struct nvkm_memory;
 struct nvkm_runl;
 struct nvkm_runq;
 struct nvkm_vctx;
-struct gk104_fifo;
 
-struct nvkm_fifo_chan_oclass;
 struct nvkm_fifo_func {
-	void *(*dtor)(struct nvkm_fifo *);
-
-	int (*oneinit)(struct nvkm_fifo *);
 	int (*chid_nr)(struct nvkm_fifo *);
 	int (*chid_ctor)(struct nvkm_fifo *, int nr);
 	int (*runq_nr)(struct nvkm_fifo *);
@@ -59,17 +54,11 @@ struct nvkm_fifo_func {
 	struct nvkm_fifo_func_chan {
 		struct nvkm_sclass user;
 		const struct nvkm_chan_func *func;
-		const struct nvkm_fifo_chan_oclass {
-			int (*ctor)(struct nvkm_fifo *, const struct nvkm_oclass *,
-			void *data, u32 size, struct nvkm_object **);
-		} *oclass;
-		int (*ctor)(struct gk104_fifo *, const struct nvkm_oclass *, void *, u32,
-			    struct nvkm_object **);
 	} chan;
 };
 
-int nvkm_fifo_ctor(const struct nvkm_fifo_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
-		   struct nvkm_fifo *);
+int nvkm_fifo_new_(const struct nvkm_fifo_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
+		   struct nvkm_fifo **);
 
 int nv04_fifo_chid_ctor(struct nvkm_fifo *, int);
 int nv04_fifo_runl_ctor(struct nvkm_fifo *);
@@ -204,4 +193,6 @@ extern const struct nvkm_fifo_func_mmu_fault tu102_fifo_mmu_fault;
 
 int nvkm_uchan_new(struct nvkm_fifo *, struct nvkm_cgrp *, const struct nvkm_oclass *,
 		   void *argv, u32 argc, struct nvkm_object **);
+int nvkm_ucgrp_new(struct nvkm_fifo *, const struct nvkm_oclass *, void *argv, u32 argc,
+		   struct nvkm_object **);
 #endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c
index 608db9b8dc11..ea9e151dbb48 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c
@@ -19,13 +19,11 @@
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  * OTHER DEALINGS IN THE SOFTWARE.
  */
+#include "priv.h"
+#include "cgrp.h"
 #include "chan.h"
 #include "runl.h"
 
-#include "gk104.h"
-#include "cgrp.h"
-#include "changk104.h"
-
 #include <core/memory.h>
 #include <subdev/mc.h>
 #include <subdev/vfn.h>
@@ -263,8 +261,6 @@ tu102_fifo_init_pbdmas(struct nvkm_fifo *fifo, u32 mask)
 
 static const struct nvkm_fifo_func
 tu102_fifo = {
-	.dtor = gk104_fifo_dtor,
-	.oneinit = gk104_fifo_oneinit,
 	.chid_nr = gm200_fifo_chid_nr,
 	.chid_ctor = gk110_fifo_chid_ctor,
 	.runq_nr = gm200_fifo_runq_nr,
@@ -279,19 +275,12 @@ tu102_fifo = {
 	.engn = &gv100_engn,
 	.engn_ce = &gv100_engn_ce,
 	.cgrp = {{ 0, 0, KEPLER_CHANNEL_GROUP_A  }, &gk110_cgrp, .force = true },
-	.chan = {{ 0, 0, TURING_CHANNEL_GPFIFO_A }, &tu102_chan, .ctor = tu102_fifo_gpfifo_new },
+	.chan = {{ 0, 0, TURING_CHANNEL_GPFIFO_A }, &tu102_chan },
 };
 
 int
 tu102_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	       struct nvkm_fifo **pfifo)
 {
-	struct gk104_fifo *fifo;
-
-	if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL)))
-		return -ENOMEM;
-	fifo->func = &tu102_fifo;
-	*pfifo = &fifo->base;
-
-	return nvkm_fifo_ctor(&tu102_fifo, device, type, inst, &fifo->base);
+	return nvkm_fifo_new_(&tu102_fifo, device, type, inst, pfifo);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ucgrp.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ucgrp.c
new file mode 100644
index 000000000000..52c594dfb1b8
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ucgrp.c
@@ -0,0 +1,125 @@
+/*
+ * Copyright 2021 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.
+ */
+#define nvkm_ucgrp(p) container_of((p), struct nvkm_ucgrp, object)
+#include "priv.h"
+#include "cgrp.h"
+#include "runl.h"
+
+#include <subdev/mmu.h>
+
+#include <nvif/if0021.h>
+
+struct nvkm_ucgrp {
+	struct nvkm_object object;
+	struct nvkm_cgrp *cgrp;
+};
+
+static int
+nvkm_ucgrp_chan_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
+		    struct nvkm_object **pobject)
+{
+	struct nvkm_cgrp *cgrp = nvkm_ucgrp(oclass->parent)->cgrp;
+
+	return nvkm_uchan_new(cgrp->runl->fifo, cgrp, oclass, argv, argc, pobject);
+}
+
+static int
+nvkm_ucgrp_sclass(struct nvkm_object *object, int index, struct nvkm_oclass *oclass)
+{
+	struct nvkm_cgrp *cgrp = nvkm_ucgrp(object)->cgrp;
+	struct nvkm_fifo *fifo = cgrp->runl->fifo;
+	const struct nvkm_fifo_func_chan *chan = &fifo->func->chan;
+	int c = 0;
+
+	/* *_CHANNEL_GPFIFO_* */
+	if (chan->user.oclass) {
+		if (c++ == index) {
+			oclass->base = chan->user;
+			oclass->ctor = nvkm_ucgrp_chan_new;
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
+static void *
+nvkm_ucgrp_dtor(struct nvkm_object *object)
+{
+	struct nvkm_ucgrp *ucgrp = nvkm_ucgrp(object);
+
+	nvkm_cgrp_unref(&ucgrp->cgrp);
+	return ucgrp;
+}
+
+static const struct nvkm_object_func
+nvkm_ucgrp = {
+	.dtor = nvkm_ucgrp_dtor,
+	.sclass = nvkm_ucgrp_sclass,
+};
+
+int
+nvkm_ucgrp_new(struct nvkm_fifo *fifo, const struct nvkm_oclass *oclass, void *argv, u32 argc,
+	       struct nvkm_object **pobject)
+{
+	union nvif_cgrp_args *args = argv;
+	struct nvkm_runl *runl;
+	struct nvkm_vmm *vmm;
+	struct nvkm_ucgrp *ucgrp;
+	int ret;
+
+	if (argc < sizeof(args->v0) || args->v0.version != 0)
+		return -ENOSYS;
+	argc -= sizeof(args->v0);
+
+	if (args->v0.namelen != argc)
+		return -EINVAL;
+
+	/* Lookup objects referenced in args. */
+	runl = nvkm_runl_get(fifo, args->v0.runlist, 0);
+	if (!runl)
+		return -EINVAL;
+
+	vmm = nvkm_uvmm_search(oclass->client, args->v0.vmm);
+	if (IS_ERR(vmm))
+		return PTR_ERR(vmm);
+
+	/* Allocate channel group. */
+	if (!(ucgrp = kzalloc(sizeof(*ucgrp), GFP_KERNEL))) {
+		ret = -ENOMEM;
+		goto done;
+	}
+
+	nvkm_object_ctor(&nvkm_ucgrp, oclass, &ucgrp->object);
+	*pobject = &ucgrp->object;
+
+	ret = nvkm_cgrp_new(runl, args->v0.name, vmm, true, &ucgrp->cgrp);
+	if (ret)
+		goto done;
+
+	/* Return channel group info to caller. */
+	args->v0.cgid = ucgrp->cgrp->id;
+
+done:
+	nvkm_vmm_unref(&vmm);
+	return ret;
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c
index 1a89c9313662..1dac95ae7b43 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c
@@ -20,6 +20,7 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 #define nvkm_uchan(p) container_of((p), struct nvkm_uchan, object)
+#include "priv.h"
 #include "cgrp.h"
 #include "chan.h"
 #include "chid.h"
@@ -27,11 +28,11 @@
 
 #include <core/gpuobj.h>
 #include <core/oproxy.h>
+#include <subdev/mmu.h>
+#include <engine/dma.h>
 
 #include <nvif/if0020.h>
 
-#include "gk104.h"
-
 struct nvkm_uchan {
 	struct nvkm_object object;
 	struct nvkm_chan *chan;
@@ -204,12 +205,20 @@ nvkm_uchan_sclass(struct nvkm_object *object, int index, struct nvkm_oclass *ocl
 {
 	struct nvkm_chan *chan = nvkm_uchan(object)->chan;
 	struct nvkm_engn *engn;
-	int ret;
+	int ret, runq = 0;
 
 	nvkm_runl_foreach_engn(engn, chan->cgrp->runl) {
 		struct nvkm_engine *engine = engn->engine;
 		int c = 0;
 
+		/* Each runqueue, on runlists with multiple, has its own LCE. */
+		if (engn->runl->func->runqs) {
+			if (engine->subdev.type == NVKM_ENGINE_CE) {
+				if (chan->runq != runq++)
+					continue;
+			}
+		}
+
 		oclass->engine = engine;
 		oclass->base.oclass = 0;
 
@@ -246,8 +255,8 @@ static int
 nvkm_uchan_map(struct nvkm_object *object, void *argv, u32 argc,
 	       enum nvkm_object_map *type, u64 *addr, u64 *size)
 {
-	struct nvkm_device *device = object->engine->subdev.device;
 	struct nvkm_chan *chan = nvkm_uchan(object)->chan;
+	struct nvkm_device *device = chan->cgrp->runl->fifo->engine.subdev.device;
 
 	if (chan->func->userd->bar < 0)
 		return -ENOSYS;
@@ -312,23 +321,89 @@ int
 nvkm_uchan_new(struct nvkm_fifo *fifo, struct nvkm_cgrp *cgrp, const struct nvkm_oclass *oclass,
 	       void *argv, u32 argc, struct nvkm_object **pobject)
 {
-	struct nvkm_object *object = NULL;
+	union nvif_chan_args *args = argv;
+	struct nvkm_runl *runl;
+	struct nvkm_vmm *vmm = NULL;
+	struct nvkm_dmaobj *ctxdma = NULL;
+	struct nvkm_memory *userd = NULL;
 	struct nvkm_uchan *uchan;
+	struct nvkm_chan *chan;
 	int ret;
 
-	if (!(uchan = kzalloc(sizeof(*uchan), GFP_KERNEL)))
-		return -ENOMEM;
+	if (argc < sizeof(args->v0) || args->v0.version != 0)
+		return -ENOSYS;
+	argc -= sizeof(args->v0);
+
+	if (args->v0.namelen != argc)
+		return -EINVAL;
+
+	/* Lookup objects referenced in args. */
+	runl = nvkm_runl_get(fifo, args->v0.runlist, 0);
+	if (!runl)
+		return -EINVAL;
+
+	if (args->v0.vmm) {
+		vmm = nvkm_uvmm_search(oclass->client, args->v0.vmm);
+		if (IS_ERR(vmm))
+			return PTR_ERR(vmm);
+	}
+
+	if (args->v0.ctxdma) {
+		ctxdma = nvkm_dmaobj_search(oclass->client, args->v0.ctxdma);
+		if (IS_ERR(ctxdma)) {
+			ret = PTR_ERR(ctxdma);
+			goto done;
+		}
+	}
+
+	if (args->v0.huserd) {
+		userd = nvkm_umem_search(oclass->client, args->v0.huserd);
+		if (IS_ERR(userd)) {
+			ret = PTR_ERR(userd);
+			userd = NULL;
+			goto done;
+		}
+	}
+
+	/* Allocate channel. */
+	if (!(uchan = kzalloc(sizeof(*uchan), GFP_KERNEL))) {
+		ret = -ENOMEM;
+		goto done;
+	}
 
 	nvkm_object_ctor(&nvkm_uchan, oclass, &uchan->object);
 	*pobject = &uchan->object;
 
-	if (fifo->func->chan.ctor)
-		ret = fifo->func->chan.ctor(gk104_fifo(fifo), oclass, argv, argc, &object);
+	ret = nvkm_chan_new_(fifo->func->chan.func, runl, args->v0.runq, cgrp, args->v0.name,
+			     args->v0.priv != 0, args->v0.devm, vmm, ctxdma, args->v0.offset,
+			     args->v0.length, userd, args->v0.ouserd, &uchan->chan);
+	if (ret)
+		goto done;
+
+	chan = uchan->chan;
+
+	/* Return channel info to caller. */
+	if (chan->func->doorbell_handle)
+		args->v0.token = chan->func->doorbell_handle(chan);
 	else
-		ret = fifo->func->chan.oclass->ctor(fifo, oclass, argv, argc, &object);
-	if (!object)
-		return ret;
+		args->v0.token = ~0;
+
+	args->v0.chid = chan->id;
+
+	switch (nvkm_memory_target(chan->inst->memory)) {
+	case NVKM_MEM_TARGET_INST: args->v0.aper = NVIF_CHAN_V0_INST_APER_INST; break;
+	case NVKM_MEM_TARGET_VRAM: args->v0.aper = NVIF_CHAN_V0_INST_APER_VRAM; break;
+	case NVKM_MEM_TARGET_HOST: args->v0.aper = NVIF_CHAN_V0_INST_APER_HOST; break;
+	case NVKM_MEM_TARGET_NCOH: args->v0.aper = NVIF_CHAN_V0_INST_APER_NCOH; break;
+	default:
+		WARN_ON(1);
+		ret = -EFAULT;
+		break;
+	}
 
-	uchan->chan = container_of(object, typeof(*uchan->chan), object);
+	args->v0.inst = nvkm_memory_addr(chan->inst->memory);
+done:
+	nvkm_memory_unref(&userd);
+	nvkm_vmm_unref(&vmm);
 	return ret;
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c
index 186b4e63e559..524cd3c0e3fe 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c
@@ -39,7 +39,7 @@ nvkm_uvmm_search(struct nvkm_client *client, u64 handle)
 	if (IS_ERR(object))
 		return (void *)object;
 
-	return nvkm_uvmm(object)->vmm;
+	return nvkm_vmm_ref(nvkm_uvmm(object)->vmm);
 }
 
 static int
author	Ben Skeggs <bskeggs@redhat.com>	2022-06-01 20:47:38 +1000
committer	Ben Skeggs <bskeggs@redhat.com>	2022-11-09 10:44:50 +1000
commit	06db7fded6dec88772a65c5a39af12ba4dc2ad38 (patch)
tree	d00ff73679dd75931c7625880903e1b301184600 /drivers/gpu/drm/nouveau
parent	7ac293328122075a2afc40a4089e7afc6cbc26eb (diff)
download	linux-06db7fded6dec88772a65c5a39af12ba4dc2ad38.tar.bz2