drm/nouveau/disp/gv100: initial support

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

drivers/gpu/drm/nouveau/include/nvif/class.h

@@ -79,6 +79,7 @@
 #define GM200_DISP                                    /* cl5070.h */ 0x00009570
 #define GP100_DISP                                    /* cl5070.h */ 0x00009770
 #define GP102_DISP                                    /* cl5070.h */ 0x00009870
+#define GV100_DISP                                    /* cl5070.h */ 0x0000c370
 
 #define NV31_MPEG                                                    0x00003174
 #define G82_MPEG                                                     0x00008274
@@ -90,6 +91,7 @@
 #define GT214_DISP_CURSOR                             /* cl507a.h */ 0x0000857a
 #define GF110_DISP_CURSOR                             /* cl507a.h */ 0x0000907a
 #define GK104_DISP_CURSOR                             /* cl507a.h */ 0x0000917a
+#define GV100_DISP_CURSOR                             /* cl507a.h */ 0x0000c37a
 
 #define NV50_DISP_OVERLAY                             /* cl507b.h */ 0x0000507b
 #define G82_DISP_OVERLAY                              /* cl507b.h */ 0x0000827b
@@ -97,6 +99,8 @@
 #define GF110_DISP_OVERLAY                            /* cl507b.h */ 0x0000907b
 #define GK104_DISP_OVERLAY                            /* cl507b.h */ 0x0000917b
 
+#define GV100_DISP_WINDOW_IMM_CHANNEL_DMA             /* clc37b.h */ 0x0000c37b
+
 #define NV50_DISP_BASE_CHANNEL_DMA                    /* cl507c.h */ 0x0000507c
 #define G82_DISP_BASE_CHANNEL_DMA                     /* cl507c.h */ 0x0000827c
 #define GT200_DISP_BASE_CHANNEL_DMA                   /* cl507c.h */ 0x0000837c
@@ -117,6 +121,7 @@
 #define GM200_DISP_CORE_CHANNEL_DMA                   /* cl507d.h */ 0x0000957d
 #define GP100_DISP_CORE_CHANNEL_DMA                   /* cl507d.h */ 0x0000977d
 #define GP102_DISP_CORE_CHANNEL_DMA                   /* cl507d.h */ 0x0000987d
+#define GV100_DISP_CORE_CHANNEL_DMA                   /* cl507d.h */ 0x0000c37d
 
 #define NV50_DISP_OVERLAY_CHANNEL_DMA                 /* cl507e.h */ 0x0000507e
 #define G82_DISP_OVERLAY_CHANNEL_DMA                  /* cl507e.h */ 0x0000827e
@@ -125,6 +130,8 @@
 #define GF110_DISP_OVERLAY_CONTROL_DMA                /* cl507e.h */ 0x0000907e
 #define GK104_DISP_OVERLAY_CONTROL_DMA                /* cl507e.h */ 0x0000917e
 
+#define GV100_DISP_WINDOW_CHANNEL_DMA                 /* clc37e.h */ 0x0000c37e
+
 #define NV50_TESLA                                                   0x00005097
 #define G82_TESLA                                                    0x00008297
 #define GT200_TESLA                                                  0x00008397

drivers/gpu/drm/nouveau/include/nvif/clc37b.h

+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NVIF_CLC37B_H__
+#define __NVIF_CLC37B_H__
+
+struct nvc37b_window_imm_channel_dma_v0 {
+	__u8  version;
+	__u8  index;
+	__u8  pad02[6];
+	__u64 pushbuf;
+};
+#endif

drivers/gpu/drm/nouveau/include/nvif/clc37e.h

+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NVIF_CLC37E_H__
+#define __NVIF_CLC37E_H__
+
+struct nvc37e_window_channel_dma_v0 {
+	__u8  version;
+	__u8  index;
+	__u8  pad02[6];
+	__u64 pushbuf;
+};
+
+#define NVC37E_WINDOW_CHANNEL_DMA_V0_NTFY_UEVENT                           0x00
+#endif

drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h

@@ -35,4 +35,5 @@ int gm107_disp_new(struct nvkm_device *, int, struct nvkm_disp **);
 int gm200_disp_new(struct nvkm_device *, int, struct nvkm_disp **);
 int gp100_disp_new(struct nvkm_device *, int, struct nvkm_disp **);
 int gp102_disp_new(struct nvkm_device *, int, struct nvkm_disp **);
+int gv100_disp_new(struct nvkm_device *, int, struct nvkm_disp **);
 #endif

drivers/gpu/drm/nouveau/nvif/disp.c

@@ -34,6 +34,7 @@ int
 nvif_disp_ctor(struct nvif_device *device, s32 oclass, struct nvif_disp *disp)
 {
 	static const struct nvif_mclass disps[] = {
+		{ GV100_DISP, -1 },
 		{ GP102_DISP, -1 },
 		{ GP100_DISP, -1 },
 		{ GM200_DISP, -1 },

drivers/gpu/drm/nouveau/nvkm/engine/device/base.c

@@ -2416,6 +2416,7 @@ nv140_chipset = {
 	.therm = gp100_therm_new,
 	.timer = gk20a_timer_new,
 	.top = gk104_top_new,
+	.disp = gv100_disp_new,
 	.dma = gv100_dma_new,
 };
 

drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild

@@ -14,12 +14,14 @@ nvkm-y += nvkm/engine/disp/gm107.o
 nvkm-y += nvkm/engine/disp/gm200.o
 nvkm-y += nvkm/engine/disp/gp100.o
 nvkm-y += nvkm/engine/disp/gp102.o
+nvkm-y += nvkm/engine/disp/gv100.o
 nvkm-y += nvkm/engine/disp/vga.o
 
 nvkm-y += nvkm/engine/disp/head.o
 nvkm-y += nvkm/engine/disp/headnv04.o
 nvkm-y += nvkm/engine/disp/headnv50.o
 nvkm-y += nvkm/engine/disp/headgf119.o
+nvkm-y += nvkm/engine/disp/headgv100.o
 
 nvkm-y += nvkm/engine/disp/ior.o
 nvkm-y += nvkm/engine/disp/dacnv50.o
@@ -35,6 +37,7 @@ nvkm-y += nvkm/engine/disp/sorgf119.o
 nvkm-y += nvkm/engine/disp/sorgk104.o
 nvkm-y += nvkm/engine/disp/sorgm107.o
 nvkm-y += nvkm/engine/disp/sorgm200.o
+nvkm-y += nvkm/engine/disp/sorgv100.o
 
 nvkm-y += nvkm/engine/disp/outp.o
 nvkm-y += nvkm/engine/disp/dp.o
@@ -47,6 +50,7 @@ nvkm-y += nvkm/engine/disp/hdmig84.o
 nvkm-y += nvkm/engine/disp/hdmigt215.o
 nvkm-y += nvkm/engine/disp/hdmigf119.o
 nvkm-y += nvkm/engine/disp/hdmigk104.o
+nvkm-y += nvkm/engine/disp/hdmigv100.o
 
 nvkm-y += nvkm/engine/disp/conn.o
 
@@ -63,13 +67,16 @@ nvkm-y += nvkm/engine/disp/rootgm107.o
 nvkm-y += nvkm/engine/disp/rootgm200.o
 nvkm-y += nvkm/engine/disp/rootgp100.o
 nvkm-y += nvkm/engine/disp/rootgp102.o
+nvkm-y += nvkm/engine/disp/rootgv100.o
 
 nvkm-y += nvkm/engine/disp/channv50.o
 nvkm-y += nvkm/engine/disp/changf119.o
+nvkm-y += nvkm/engine/disp/changv100.o
 
 nvkm-y += nvkm/engine/disp/dmacnv50.o
 nvkm-y += nvkm/engine/disp/dmacgf119.o
 nvkm-y += nvkm/engine/disp/dmacgp102.o
+nvkm-y += nvkm/engine/disp/dmacgv100.o
 
 nvkm-y += nvkm/engine/disp/basenv50.o
 nvkm-y += nvkm/engine/disp/baseg84.o
@@ -82,6 +89,7 @@ nvkm-y += nvkm/engine/disp/coreg94.o
 nvkm-y += nvkm/engine/disp/coregf119.o
 nvkm-y += nvkm/engine/disp/coregk104.o
 nvkm-y += nvkm/engine/disp/coregp102.o
+nvkm-y += nvkm/engine/disp/coregv100.o
 
 nvkm-y += nvkm/engine/disp/ovlynv50.o
 nvkm-y += nvkm/engine/disp/ovlyg84.o
@@ -90,12 +98,17 @@ nvkm-y += nvkm/engine/disp/ovlygf119.o
 nvkm-y += nvkm/engine/disp/ovlygk104.o
 nvkm-y += nvkm/engine/disp/ovlygp102.o
 
+nvkm-y += nvkm/engine/disp/wimmgv100.o
+
+nvkm-y += nvkm/engine/disp/wndwgv100.o
+
 nvkm-y += nvkm/engine/disp/piocnv50.o
 nvkm-y += nvkm/engine/disp/piocgf119.o
 
 nvkm-y += nvkm/engine/disp/cursnv50.o
 nvkm-y += nvkm/engine/disp/cursgf119.o
 nvkm-y += nvkm/engine/disp/cursgp102.o
+nvkm-y += nvkm/engine/disp/cursgv100.o
 
 nvkm-y += nvkm/engine/disp/oimmnv50.o
 nvkm-y += nvkm/engine/disp/oimmgf119.o

drivers/gpu/drm/nouveau/nvkm/engine/disp/changv100.c

+/*
+ * 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 "channv50.h"
+
+const struct nvkm_event_func
+gv100_disp_chan_uevent = {
+	.ctor = nv50_disp_chan_uevent_ctor,
+};
+
+u64
+gv100_disp_chan_user(struct nv50_disp_chan *chan, u64 *psize)
+{
+	*psize = 0x1000;
+	return 0x690000 + ((chan->chid.user - 1) * 0x1000);
+}

drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.h

@@ -57,6 +57,11 @@ void gf119_disp_core_fini(struct nv50_disp_chan *);
 
 extern const struct nv50_disp_chan_func gp102_disp_dmac_func;
 
+u64 gv100_disp_chan_user(struct nv50_disp_chan *, u64 *);
+int gv100_disp_dmac_init(struct nv50_disp_chan *);
+void gv100_disp_dmac_fini(struct nv50_disp_chan *);
+int gv100_disp_dmac_bind(struct nv50_disp_chan *, struct nvkm_object *, u32);
+
 int nv50_disp_curs_new_(const struct nv50_disp_chan_func *,
 			struct nv50_disp *, int ctrl, int user,
 			const struct nvkm_oclass *, void *argv, u32 argc,
@@ -132,6 +137,15 @@ int gp102_disp_core_new(const struct nvkm_oclass *, void *, u32,
 int gp102_disp_ovly_new(const struct nvkm_oclass *, void *, u32,
 			struct nv50_disp *, struct nvkm_object **);
 
+int gv100_disp_curs_new(const struct nvkm_oclass *, void *, u32,
+			struct nv50_disp *, struct nvkm_object **);
+int gv100_disp_wimm_new(const struct nvkm_oclass *, void *, u32,
+			struct nv50_disp *, struct nvkm_object **);
+int gv100_disp_core_new(const struct nvkm_oclass *, void *, u32,
+			struct nv50_disp *, struct nvkm_object **);
+int gv100_disp_wndw_new(const struct nvkm_oclass *, void *, u32,
+			struct nv50_disp *, struct nvkm_object **);
+
 struct nv50_disp_mthd_list {
 	u32 mthd;
 	u32 addr;

drivers/gpu/drm/nouveau/nvkm/engine/disp/coregv100.c

+/*
+ * 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 "channv50.h"
+
+#include <subdev/timer.h>
+
+const struct nv50_disp_mthd_list
+gv100_disp_core_mthd_base = {
+	.mthd = 0x0000,
+	.addr = 0x000000,
+	.data = {
+		{ 0x0200, 0x680200 },
+		{ 0x0208, 0x680208 },
+		{ 0x020c, 0x68020c },
+		{ 0x0210, 0x680210 },
+		{ 0x0214, 0x680214 },
+		{ 0x0218, 0x680218 },
+		{ 0x021c, 0x68021c },
+		{}
+	}
+};
+
+const struct nv50_disp_mthd_list
+gv100_disp_core_mthd_sor = {
+	.mthd = 0x0020,
+	.addr = 0x000020,
+	.data = {
+		{ 0x0300, 0x680300 },
+		{ 0x0304, 0x680304 },
+		{ 0x0308, 0x680308 },
+		{ 0x030c, 0x68030c },
+		{}
+	}
+};
+
+static const struct nv50_disp_mthd_list
+gv100_disp_core_mthd_wndw = {
+	.mthd = 0x0080,
+	.addr = 0x000080,
+	.data = {
+		{ 0x1000, 0x681000 },
+		{ 0x1004, 0x681004 },
+		{ 0x1008, 0x681008 },
+		{ 0x100c, 0x68100c },
+		{ 0x1010, 0x681010 },
+		{}
+	}
+};
+
+static const struct nv50_disp_mthd_list
+gv100_disp_core_mthd_head = {
+	.mthd = 0x0400,
+	.addr = 0x000400,
+	.data = {
+		{ 0x2000, 0x682000 },
+		{ 0x2004, 0x682004 },
+		{ 0x2008, 0x682008 },
+		{ 0x200c, 0x68200c },
+		{ 0x2014, 0x682014 },
+		{ 0x2018, 0x682018 },
+		{ 0x201c, 0x68201c },
+		{ 0x2020, 0x682020 },
+		{ 0x2028, 0x682028 },
+		{ 0x202c, 0x68202c },
+		{ 0x2030, 0x682030 },
+		{ 0x2038, 0x682038 },
+		{ 0x203c, 0x68203c },
+		{ 0x2048, 0x682048 },
+		{ 0x204c, 0x68204c },
+		{ 0x2050, 0x682050 },
+		{ 0x2054, 0x682054 },
+		{ 0x2058, 0x682058 },
+		{ 0x205c, 0x68205c },
+		{ 0x2060, 0x682060 },
+		{ 0x2064, 0x682064 },
+		{ 0x2068, 0x682068 },
+		{ 0x206c, 0x68206c },
+		{ 0x2070, 0x682070 },
+		{ 0x2074, 0x682074 },
+		{ 0x2078, 0x682078 },
+		{ 0x207c, 0x68207c },
+		{ 0x2080, 0x682080 },
+		{ 0x2088, 0x682088 },
+		{ 0x2090, 0x682090 },
+		{ 0x209c, 0x68209c },
+		{ 0x20a0, 0x6820a0 },
+		{ 0x20a4, 0x6820a4 },
+		{ 0x20a8, 0x6820a8 },
+		{ 0x20ac, 0x6820ac },
+		{ 0x218c, 0x68218c },
+		{ 0x2194, 0x682194 },
+		{ 0x2198, 0x682198 },
+		{ 0x219c, 0x68219c },
+		{ 0x21a0, 0x6821a0 },
+		{ 0x21a4, 0x6821a4 },
+		{ 0x2214, 0x682214 },
+		{ 0x2218, 0x682218 },
+		{}
+	}
+};
+
+static const struct nv50_disp_chan_mthd
+gv100_disp_core_mthd = {
+	.name = "Core",
+	.addr = 0x000000,
+	.prev = 0x008000,
+	.data = {
+		{ "Global", 1, &gv100_disp_core_mthd_base },
+		{    "SOR", 4, &gv100_disp_core_mthd_sor  },
+		{ "WINDOW", 8, &gv100_disp_core_mthd_wndw },
+		{   "HEAD", 4, &gv100_disp_core_mthd_head },
+		{}
+	}
+};
+
+static int
+gv100_disp_core_idle(struct nv50_disp_chan *chan)
+{
+	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
+	nvkm_msec(device, 2000,
+		u32 stat = nvkm_rd32(device, 0x610630);
+		if ((stat & 0x001f0000) == 0x000b0000)
+			return 0;
+	);
+	return -EBUSY;
+}
+
+static u64
+gv100_disp_core_user(struct nv50_disp_chan *chan, u64 *psize)
+{
+	*psize = 0x10000;
+	return 0x680000;
+}
+
+static void
+gv100_disp_core_intr(struct nv50_disp_chan *chan, bool en)
+{
+	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
+	const u32 mask = 0x00000001;
+	const u32 data = en ? mask : 0;
+	nvkm_mask(device, 0x611dac, mask, data);
+}
+
+static void
+gv100_disp_core_fini(struct nv50_disp_chan *chan)
+{
+	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
+	nvkm_mask(device, 0x6104e0, 0x00000010, 0x00000000);
+	gv100_disp_core_idle(chan);
+	nvkm_mask(device, 0x6104e0, 0x00000002, 0x00000000);
+}
+
+static int
+gv100_disp_core_init(struct nv50_disp_chan *chan)
+{
+	struct nvkm_subdev *subdev = &chan->disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+
+	nvkm_wr32(device, 0x610b24, lower_32_bits(chan->push));
+	nvkm_wr32(device, 0x610b20, upper_32_bits(chan->push));
+	nvkm_wr32(device, 0x610b28, 0x00000001);
+	nvkm_wr32(device, 0x610b2c, 0x00000040);
+
+	nvkm_mask(device, 0x6104e0, 0x00000010, 0x00000010);
+	nvkm_wr32(device, 0x680000, 0x00000000);
+	nvkm_wr32(device, 0x6104e0, 0x00000013);
+	return gv100_disp_core_idle(chan);
+}
+
+static const struct nv50_disp_chan_func
+gv100_disp_core = {
+	.init = gv100_disp_core_init,
+	.fini = gv100_disp_core_fini,
+	.intr = gv100_disp_core_intr,
+	.user = gv100_disp_core_user,
+	.bind = gv100_disp_dmac_bind,
+};
+
+int
+gv100_disp_core_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
+		    struct nv50_disp *disp, struct nvkm_object **pobject)
+{
+	return nv50_disp_core_new_(&gv100_disp_core, &gv100_disp_core_mthd,
+				   disp, 0, oclass, argv, argc, pobject);
+}

drivers/gpu/drm/nouveau/nvkm/engine/disp/cursgv100.c

+/*
+ * 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 "channv50.h"
+
+#include <subdev/timer.h>
+
+static int
+gv100_disp_curs_idle(struct nv50_disp_chan *chan)
+{
+	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
+	const u32 soff = (chan->chid.ctrl - 1) * 0x04;
+	nvkm_msec(device, 2000,
+		u32 stat = nvkm_rd32(device, 0x610664 + soff);
+		if ((stat & 0x00070000) == 0x00040000)
+			return 0;
+	);
+	return -EBUSY;
+}
+
+static void
+gv100_disp_curs_intr(struct nv50_disp_chan *chan, bool en)
+{
+	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
+	const u32 mask = 0x00010000 << chan->head;
+	const u32 data = en ? mask : 0;
+	nvkm_mask(device, 0x611dac, mask, data);
+}
+
+static void
+gv100_disp_curs_fini(struct nv50_disp_chan *chan)
+{
+	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
+	const u32 hoff = chan->chid.ctrl * 4;
+	nvkm_mask(device, 0x6104e0 + hoff, 0x00000010, 0x00000010);
+	gv100_disp_curs_idle(chan);
+	nvkm_mask(device, 0x6104e0 + hoff, 0x00000001, 0x00000000);
+}
+
+static int
+gv100_disp_curs_init(struct nv50_disp_chan *chan)
+{
+	struct nvkm_subdev *subdev = &chan->disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	nvkm_wr32(device, 0x6104e0 + chan->chid.ctrl * 4, 0x00000001);
+	return gv100_disp_curs_idle(chan);
+}
+
+static const struct nv50_disp_chan_func
+gv100_disp_curs = {
+	.init = gv100_disp_curs_init,
+	.fini = gv100_disp_curs_fini,
+	.intr = gv100_disp_curs_intr,
+	.user = gv100_disp_chan_user,
+};
+
+int
+gv100_disp_curs_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
+		    struct nv50_disp *disp, struct nvkm_object **pobject)
+{
+	return nv50_disp_curs_new_(&gv100_disp_curs, disp, 73, 73,
+				   oclass, argv, argc, pobject);
+}

drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgv100.c

+/*
+ * 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 "channv50.h"
+
+#include <core/ramht.h>
+#include <subdev/timer.h>
+
+static int
+gv100_disp_dmac_idle(struct nv50_disp_chan *chan)
+{
+	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
+	const u32 soff = (chan->chid.ctrl - 1) * 0x04;
+	nvkm_msec(device, 2000,
+		u32 stat = nvkm_rd32(device, 0x610664 + soff);
+		if ((stat & 0x000f0000) == 0x00040000)
+			return 0;
+	);
+	return -EBUSY;
+}
+
+int
+gv100_disp_dmac_bind(struct nv50_disp_chan *chan,
+		     struct nvkm_object *object, u32 handle)
+{
+	return nvkm_ramht_insert(chan->disp->ramht, object,
+				 chan->chid.user, -9, handle,
+				 chan->chid.user << 25 | 0x00000040);
+}
+
+void
+gv100_disp_dmac_fini(struct nv50_disp_chan *chan)
+{
+	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
+	const u32 coff = chan->chid.ctrl * 0x04;
+	nvkm_mask(device, 0x6104e0 + coff, 0x00000010, 0x00000000);
+	gv100_disp_dmac_idle(chan);
+	nvkm_mask(device, 0x6104e0 + coff, 0x00000002, 0x00000000);
+}
+
+int
+gv100_disp_dmac_init(struct nv50_disp_chan *chan)
+{
+	struct nvkm_subdev *subdev = &chan->disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	const u32 uoff = (chan->chid.ctrl - 1) * 0x1000;
+	const u32 poff = chan->chid.ctrl * 0x10;
+	const u32 coff = chan->chid.ctrl * 0x04;
+
+	nvkm_wr32(device, 0x610b24 + poff, lower_32_bits(chan->push));
+	nvkm_wr32(device, 0x610b20 + poff, upper_32_bits(chan->push));
+	nvkm_wr32(device, 0x610b28 + poff, 0x00000001);
+	nvkm_wr32(device, 0x610b2c + poff, 0x00000040);
+
+	nvkm_mask(device, 0x6104e0 + coff, 0x00000010, 0x00000010);
+	nvkm_wr32(device, 0x690000 + uoff, 0x00000000);
+	nvkm_wr32(device, 0x6104e0 + coff, 0x00000013);
+	return gv100_disp_dmac_idle(chan);
+}

drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c

+/*
+ * 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 "nv50.h"
+#include "head.h"
+#include "ior.h"
+#include "channv50.h"
+#include "rootnv50.h"
+
+#include <core/gpuobj.h>
+#include <subdev/timer.h>
+
+static int
+gv100_disp_wndw_cnt(struct nvkm_disp *disp, unsigned long *pmask)
+{
+	struct nvkm_device *device = disp->engine.subdev.device;
+	*pmask = nvkm_rd32(device, 0x610064);
+	return (nvkm_rd32(device, 0x610074) & 0x03f00000) >> 20;
+}
+
+static void
+gv100_disp_super(struct work_struct *work)
+{
+	struct nv50_disp *disp =
+		container_of(work, struct nv50_disp, supervisor);
+	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	struct nvkm_head *head;
+	u32 stat = nvkm_rd32(device, 0x6107a8);
+	u32 mask[4];
+
+	nvkm_debug(subdev, "supervisor %d: %08x\n", ffs(disp->super), stat);
+	list_for_each_entry(head, &disp->base.head, head) {
+		mask[head->id] = nvkm_rd32(device, 0x6107ac + (head->id * 4));
+		HEAD_DBG(head, "%08x", mask[head->id]);
+	}
+
+	if (disp->super & 0x00000001) {
+		nv50_disp_chan_mthd(disp->chan[0], NV_DBG_DEBUG);
+		nv50_disp_super_1(disp);
+		list_for_each_entry(head, &disp->base.head, head) {
+			if (!(mask[head->id] & 0x00001000))
+				continue;
+			nv50_disp_super_1_0(disp, head);
+		}
+	} else
+	if (disp->super & 0x00000002) {
+		list_for_each_entry(head, &disp->base.head, head) {
+			if (!(mask[head->id] & 0x00001000))
+				continue;
+			nv50_disp_super_2_0(disp, head);
+		}
+		nvkm_outp_route(&disp->base);
+		list_for_each_entry(head, &disp->base.head, head) {
+			if (!(mask[head->id] & 0x00010000))
+				continue;
+			nv50_disp_super_2_1(disp, head);
+		}
+		list_for_each_entry(head, &disp->base.head, head) {
+			if (!(mask[head->id] & 0x00001000))
+				continue;
+			nv50_disp_super_2_2(disp, head);
+		}
+	} else
+	if (disp->super & 0x00000004) {
+		list_for_each_entry(head, &disp->base.head, head) {
+			if (!(mask[head->id] & 0x00001000))
+				continue;
+			nv50_disp_super_3_0(disp, head);
+		}
+	}
+
+	list_for_each_entry(head, &disp->base.head, head)
+		nvkm_wr32(device, 0x6107ac + (head->id * 4), 0x00000000);
+	nvkm_wr32(device, 0x6107a8, 0x80000000);
+}
+
+static void
+gv100_disp_exception(struct nv50_disp *disp, int chid)
+{
+	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	u32 stat = nvkm_rd32(device, 0x611020 + (chid * 12));
+	u32 type = (stat & 0x00007000) >> 12;
+	u32 mthd = (stat & 0x00000fff) << 2;
+	u32 data = nvkm_rd32(device, 0x611024 + (chid * 12));
+	u32 code = nvkm_rd32(device, 0x611028 + (chid * 12));
+
+	nvkm_error(subdev, "chid %d %08x [type %d mthd %04x] "
+			   "data %08x code %08x\n",
+		   chid, stat, type, mthd, data, code);
+
+	if (chid < ARRAY_SIZE(disp->chan) && disp->chan[chid]) {
+		switch (mthd) {
+		case 0x0200:
+			nv50_disp_chan_mthd(disp->chan[chid], NV_DBG_ERROR);
+			break;
+		default:
+			break;
+		}
+	}
+
+	nvkm_wr32(device, 0x611020 + (chid * 12), 0x90000000);
+}
+
+static void
+gv100_disp_intr_ctrl_disp(struct nv50_disp *disp)
+{
+	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	u32 stat = nvkm_rd32(device, 0x611c30);
+
+	if (stat & 0x00000007) {
+		disp->super = (stat & 0x00000007);
+		queue_work(disp->wq, &disp->supervisor);
+		nvkm_wr32(device, 0x611860, disp->super);
+		stat &= ~0x00000007;
+	}
+
+	/*TODO: I would guess this is VBIOS_RELEASE, however, NFI how to
+	 *      ACK it, nor does RM appear to bother.
+	 */
+	if (stat & 0x00000008)
+		stat &= ~0x00000008;
+
+	if (stat & 0x00000100) {
+		unsigned long wndws = nvkm_rd32(device, 0x611858);
+		unsigned long other = nvkm_rd32(device, 0x61185c);
+		int wndw;
+
+		nvkm_wr32(device, 0x611858, wndws);
+		nvkm_wr32(device, 0x61185c, other);
+
+		/* AWAKEN_OTHER_CORE. */
+		if (other & 0x00000001)
+			nv50_disp_chan_uevent_send(disp, 0);
+
+		/* AWAKEN_WIN_CH(n). */
+		for_each_set_bit(wndw, &wndws, disp->wndw.nr) {
+			nv50_disp_chan_uevent_send(disp, 1 + wndw);
+		}
+	}
+
+	if (stat)
+		nvkm_warn(subdev, "ctrl %08x\n", stat);
+}
+
+static void
+gv100_disp_intr_exc_other(struct nv50_disp *disp)
+{
+	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	u32 stat = nvkm_rd32(device, 0x611854);
+	unsigned long mask;
+	int head;
+
+	if (stat & 0x00000001) {
+		nvkm_wr32(device, 0x611854, 0x00000001);
+		gv100_disp_exception(disp, 0);
+		stat &= ~0x00000001;
+	}
+
+	if ((mask = (stat & 0x00ff0000) >> 16)) {
+		for_each_set_bit(head, &mask, disp->wndw.nr) {
+			nvkm_wr32(device, 0x611854, 0x00010000 << head);
+			gv100_disp_exception(disp, 73 + head);
+			stat &= ~(0x00010000 << head);
+		}
+	}
+
+	if (stat) {
+		nvkm_warn(subdev, "exception %08x\n", stat);
+		nvkm_wr32(device, 0x611854, stat);
+	}
+}
+
+static void
+gv100_disp_intr_exc_winim(struct nv50_disp *disp)
+{
+	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	unsigned long stat = nvkm_rd32(device, 0x611850);
+	int wndw;
+
+	for_each_set_bit(wndw, &stat, disp->wndw.nr) {
+		nvkm_wr32(device, 0x611850, BIT(wndw));
+		gv100_disp_exception(disp, 33 + wndw);
+		stat &= ~BIT(wndw);
+	}
+
+	if (stat) {
+		nvkm_warn(subdev, "wimm %08x\n", (u32)stat);
+		nvkm_wr32(device, 0x611850, stat);
+	}
+}
+
+static void
+gv100_disp_intr_exc_win(struct nv50_disp *disp)
+{
+	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	unsigned long stat = nvkm_rd32(device, 0x61184c);
+	int wndw;
+
+	for_each_set_bit(wndw, &stat, disp->wndw.nr) {
+		nvkm_wr32(device, 0x61184c, BIT(wndw));
+		gv100_disp_exception(disp, 1 + wndw);
+		stat &= ~BIT(wndw);
+	}
+
+	if (stat) {
+		nvkm_warn(subdev, "wndw %08x\n", (u32)stat);
+		nvkm_wr32(device, 0x61184c, stat);
+	}
+}
+
+static void
+gv100_disp_intr_head_timing(struct nv50_disp *disp, int head)
+{
+	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	u32 stat = nvkm_rd32(device, 0x611800 + (head * 0x04));
+
+	/* LAST_DATA, LOADV. */
+	if (stat & 0x00000003) {
+		nvkm_wr32(device, 0x611800 + (head * 0x04), stat & 0x00000003);
+		stat &= ~0x00000003;
+	}
+
+	if (stat & 0x00000004) {
+		nvkm_disp_vblank(&disp->base, head);
+		nvkm_wr32(device, 0x611800 + (head * 0x04), 0x00000004);
+		stat &= ~0x00000004;
+	}
+
+	if (stat) {
+		nvkm_warn(subdev, "head %08x\n", stat);
+		nvkm_wr32(device, 0x611800 + (head * 0x04), stat);
+	}
+}
+
+static void
+gv100_disp_intr(struct nv50_disp *disp)
+{
+	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
+	struct nvkm_device *device = subdev->device;
+	u32 stat = nvkm_rd32(device, 0x611ec0);
+	unsigned long mask;
+	int head;
+
+	if ((mask = (stat & 0x000000ff))) {
+		for_each_set_bit(head, &mask, 8) {
+			gv100_disp_intr_head_timing(disp, head);
+			stat &= ~BIT(head);
+		}
+	}
+
+	if (stat & 0x00000200) {
+		gv100_disp_intr_exc_win(disp);
+		stat &= ~0x00000200;
+	}
+
+	if (stat & 0x00000400) {
+		gv100_disp_intr_exc_winim(disp);
+		stat &= ~0x00000400;
+	}
+
+	if (stat & 0x00000800) {
+		gv100_disp_intr_exc_other(disp);
+		stat &= ~0x00000800;
+	}
+
+	if (stat & 0x00001000) {
+		gv100_disp_intr_ctrl_disp(disp);
+		stat &= ~0x00001000;
+	}
+
+	if (stat)
+		nvkm_warn(subdev, "intr %08x\n", stat);
+}
+
+static void
+gv100_disp_fini(struct nv50_disp *disp)
+{
+	struct nvkm_device *device = disp->base.engine.subdev.device;
+	nvkm_wr32(device, 0x611db0, 0x00000000);
+}
+
+static int
+gv100_disp_init(struct nv50_disp *disp)
+{
+	struct nvkm_device *device = disp->base.engine.subdev.device;
+	struct nvkm_head *head;
+	int i, j;
+	u32 tmp;
+
+	/* Claim ownership of display. */
+	if (nvkm_rd32(device, 0x6254e8) & 0x00000002) {
+		nvkm_mask(device, 0x6254e8, 0x00000001, 0x00000000);
+		if (nvkm_msec(device, 2000,
+			if (!(nvkm_rd32(device, 0x6254e8) & 0x00000002))
+				break;
+		) < 0)
+			return -EBUSY;
+	}
+
+	/* Lock pin capabilities. */
+	tmp = nvkm_rd32(device, 0x610068);
+	nvkm_wr32(device, 0x640008, tmp);
+
+	/* SOR capabilities. */
+	for (i = 0; i < disp->sor.nr; i++) {
+		tmp = nvkm_rd32(device, 0x61c000 + (i * 0x800));
+		nvkm_mask(device, 0x640000, 0x00000100 << i, 0x00000100 << i);
+		nvkm_wr32(device, 0x640144 + (i * 0x08), tmp);
+	}
+
+	/* Head capabilities. */
+	list_for_each_entry(head, &disp->base.head, head) {
+		const int id = head->id;
+
+		/* RG. */
+		tmp = nvkm_rd32(device, 0x616300 + (id * 0x800));
+		nvkm_wr32(device, 0x640048 + (id * 0x020), tmp);
+
+		/* POSTCOMP. */
+		for (j = 0; j < 6 * 4; j += 4) {
+			tmp = nvkm_rd32(device, 0x616100 + (id * 0x800) + j);
+			nvkm_wr32(device, 0x640030 + (id * 0x20) + j, tmp);
+		}
+	}
+
+	/* Window capabilities. */
+	for (i = 0; i < disp->wndw.nr; i++) {
+		nvkm_mask(device, 0x640004, 1 << i, 1 << i);
+		for (j = 0; j < 6 * 4; j += 4) {
+			tmp = nvkm_rd32(device, 0x630050 + (i * 0x800) + j);
+			nvkm_wr32(device, 0x6401e4 + (i * 0x20) + j, tmp);
+		}
+	}
+
+	/* IHUB capabilities. */
+	for (i = 0; i < 4; i++) {
+		tmp = nvkm_rd32(device, 0x62e000 + (i * 0x04));
+		nvkm_wr32(device, 0x640010 + (i * 0x04), tmp);
+	}
+
+	nvkm_mask(device, 0x610078, 0x00000001, 0x00000001);
+
+	/* Setup instance memory. */
+	switch (nvkm_memory_target(disp->inst->memory)) {
+	case NVKM_MEM_TARGET_VRAM: tmp = 0x00000001; break;
+	case NVKM_MEM_TARGET_NCOH: tmp = 0x00000002; break;
+	case NVKM_MEM_TARGET_HOST: tmp = 0x00000003; break;
+	default:
+		break;
+	}
+	nvkm_wr32(device, 0x610010, 0x00000008 | tmp);
+	nvkm_wr32(device, 0x610014, disp->inst->addr >> 16);
+
+	/* CTRL_DISP: AWAKEN, ERROR, SUPERVISOR[1-3]. */
+	nvkm_wr32(device, 0x611cf0, 0x00000187); /* MSK. */
+	nvkm_wr32(device, 0x611db0, 0x00000187); /* EN. */
+
+	/* EXC_OTHER: CURSn, CORE. */
+	nvkm_wr32(device, 0x611cec, disp->head.mask << 16 |
+				    0x00000001); /* MSK. */
+	nvkm_wr32(device, 0x611dac, 0x00000000); /* EN. */
+
+	/* EXC_WINIM. */
+	nvkm_wr32(device, 0x611ce8, disp->wndw.mask); /* MSK. */
+	nvkm_wr32(device, 0x611da8, 0x00000000); /* EN. */
+
+	/* EXC_WIN. */
+	nvkm_wr32(device, 0x611ce4, disp->wndw.mask); /* MSK. */
+	nvkm_wr32(device, 0x611da4, 0x00000000); /* EN. */
+
+	/* HEAD_TIMING(n): VBLANK. */
+	list_for_each_entry(head, &disp->base.head, head) {
+		const u32 hoff = head->id * 4;
+		nvkm_wr32(device, 0x611cc0 + hoff, 0x00000004); /* MSK. */
+		nvkm_wr32(device, 0x611d80 + hoff, 0x00000000); /* EN. */
+	}
+
+	/* OR. */
+	nvkm_wr32(device, 0x611cf4, 0x00000000); /* MSK. */
+	nvkm_wr32(device, 0x611db4, 0x00000000); /* EN. */
+	return 0;
+}
+
+static const struct nv50_disp_func
+gv100_disp = {
+	.init = gv100_disp_init,
+	.fini = gv100_disp_fini,
+	.intr = gv100_disp_intr,
+	.uevent = &gv100_disp_chan_uevent,
+	.super = gv100_disp_super,
+	.root = &gv100_disp_root_oclass,
+	.wndw = { .cnt = gv100_disp_wndw_cnt },
+	.head = { .cnt = gv100_head_cnt, .new = gv100_head_new },
+	.sor = { .cnt = gv100_sor_cnt, .new = gv100_sor_new },
+	.ramht_size = 0x2000,
+};
+
+int
+gv100_disp_new(struct nvkm_device *device, int index, struct nvkm_disp **pdisp)
+{
+	return nv50_disp_new_(&gv100_disp, device, index, pdisp);
+}

drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c

+/*
+ * 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 "hdmi.h"
+
+void
+gv100_hdmi_ctrl(struct nvkm_ior *ior, int head, bool enable, u8 max_ac_packet,
+		u8 rekey, u8 *avi, u8 avi_size, u8 *vendor, u8 vendor_size)
+{
+	struct nvkm_device *device = ior->disp->engine.subdev.device;
+	const u32 ctrl = 0x40000000 * enable |
+			 max_ac_packet << 16 |
+			 rekey;
+	const u32 hoff = head * 0x800;
+	const u32 hdmi = head * 0x400;
+	struct packed_hdmi_infoframe avi_infoframe;
+	struct packed_hdmi_infoframe vendor_infoframe;
+
+	pack_hdmi_infoframe(&avi_infoframe, avi, avi_size);
+	pack_hdmi_infoframe(&vendor_infoframe, vendor, vendor_size);
+
+	if (!(ctrl & 0x40000000)) {
+		nvkm_mask(device, 0x6165c0 + hoff, 0x40000000, 0x00000000);
+		nvkm_mask(device, 0x6f0100 + hdmi, 0x00000001, 0x00000000);
+		nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000000);
+		nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000000);
+		return;
+	}
+
+	/* AVI InfoFrame (AVI). */
+	nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000000);
+	if (avi_size) {
+		nvkm_wr32(device, 0x6f0008 + hdmi, avi_infoframe.header);
+		nvkm_wr32(device, 0x6f000c + hdmi, avi_infoframe.subpack0_low);
+		nvkm_wr32(device, 0x6f0010 + hdmi, avi_infoframe.subpack0_high);
+		nvkm_wr32(device, 0x6f0014 + hdmi, avi_infoframe.subpack1_low);
+		nvkm_wr32(device, 0x6f0018 + hdmi, avi_infoframe.subpack1_high);
+		nvkm_mask(device, 0x6f0000 + hdmi, 0x00000001, 0x00000001);
+	}
+
+	/* Vendor-specific InfoFrame (VSI). */
+	nvkm_mask(device, 0x6f0100 + hdmi, 0x00010001, 0x00000000);
+	if (vendor_size) {
+		nvkm_wr32(device, 0x6f0108 + hdmi, vendor_infoframe.header);
+		nvkm_wr32(device, 0x6f010c + hdmi, vendor_infoframe.subpack0_low);
+		nvkm_wr32(device, 0x6f0110 + hdmi, vendor_infoframe.subpack0_high);
+		nvkm_wr32(device, 0x6f0110 + hdmi, 0x00000000);
+		nvkm_wr32(device, 0x6f0114 + hdmi, 0x00000000);
+		nvkm_wr32(device, 0x6f0118 + hdmi, 0x00000000);
+		nvkm_wr32(device, 0x6f011c + hdmi, 0x00000000);
+		nvkm_wr32(device, 0x6f0120 + hdmi, 0x00000000);
+		nvkm_wr32(device, 0x6f0124 + hdmi, 0x00000000);
+		nvkm_mask(device, 0x6f0100 + hdmi, 0x00000001, 0x00000001);
+	}
+
+
+	/* General Control (GCP). */
+	nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000000);
+	nvkm_wr32(device, 0x6f00cc + hdmi, 0x00000010);
+	nvkm_mask(device, 0x6f00c0 + hdmi, 0x00000001, 0x00000001);
+
+	/* Audio Clock Regeneration (ACR). */
+	nvkm_wr32(device, 0x6f0080 + hdmi, 0x82000000);
+
+	/* NV_PDISP_SF_HDMI_CTRL. */
+	nvkm_mask(device, 0x6165c0 + hoff, 0x401f007f, ctrl);
+}

drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h

@@ -58,4 +58,8 @@ int nv50_head_new(struct nvkm_disp *, int id);
 
 int gf119_head_cnt(struct nvkm_disp *, unsigned long *);
 int gf119_head_new(struct nvkm_disp *, int id);
+void gf119_head_rgclk(struct nvkm_head *, int);
+
+int gv100_head_cnt(struct nvkm_disp *, unsigned long *);
+int gv100_head_new(struct nvkm_disp *, int id);
 #endif

drivers/gpu/drm/nouveau/nvkm/engine/disp/headgf119.c

@@ -39,7 +39,7 @@ gf119_head_vblank_get(struct nvkm_head *head)
 	nvkm_mask(device, 0x6100c0 + hoff, 0x00000001, 0x00000001);
 }
 
-static void
+void
 gf119_head_rgclk(struct nvkm_head *head, int div)
 {
 	struct nvkm_device *device = head->disp->engine.subdev.device;

drivers/gpu/drm/nouveau/nvkm/engine/disp/headgv100.c

+/*
+ * 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 "head.h"
+
+static void
+gv100_head_vblank_put(struct nvkm_head *head)
+{
+	struct nvkm_device *device = head->disp->engine.subdev.device;
+	nvkm_mask(device, 0x611d80 + (head->id * 4), 0x00000004, 0x00000000);
+}
+
+static void
+gv100_head_vblank_get(struct nvkm_head *head)
+{
+	struct nvkm_device *device = head->disp->engine.subdev.device;
+	nvkm_mask(device, 0x611d80 + (head->id * 4), 0x00000004, 0x00000004);
+}
+
+static void
+gv100_head_rgpos(struct nvkm_head *head, u16 *hline, u16 *vline)
+{
+	struct nvkm_device *device = head->disp->engine.subdev.device;
+	const u32 hoff = head->id * 0x800;
+	/* vline read locks hline. */
+	*vline = nvkm_rd32(device, 0x616330 + hoff) & 0x0000ffff;
+	*hline = nvkm_rd32(device, 0x616334 + hoff) & 0x0000ffff;
+}
+
+static void
+gv100_head_state(struct nvkm_head *head, struct nvkm_head_state *state)
+{
+	struct nvkm_device *device = head->disp->engine.subdev.device;
+	const u32 hoff = (state == &head->arm) * 0x8000 + head->id * 0x400;
+	u32 data;
+
+	data = nvkm_rd32(device, 0x682064 + hoff);
+	state->vtotal = (data & 0xffff0000) >> 16;
+	state->htotal = (data & 0x0000ffff);
+	data = nvkm_rd32(device, 0x682068 + hoff);
+	state->vsynce = (data & 0xffff0000) >> 16;
+	state->hsynce = (data & 0x0000ffff);
+	data = nvkm_rd32(device, 0x68206c + hoff);
+	state->vblanke = (data & 0xffff0000) >> 16;
+	state->hblanke = (data & 0x0000ffff);
+	data = nvkm_rd32(device, 0x682070 + hoff);
+	state->vblanks = (data & 0xffff0000) >> 16;
+	state->hblanks = (data & 0x0000ffff);
+	state->hz = nvkm_rd32(device, 0x68200c + hoff);
+
+	data = nvkm_rd32(device, 0x682004 + hoff);
+	switch ((data & 0x000000f0) >> 4) {
+	case 5: state->or.depth = 30; break;
+	case 4: state->or.depth = 24; break;
+	case 1: state->or.depth = 18; break;
+	default:
+		state->or.depth = 18;
+		WARN_ON(1);
+		break;
+	}
+}
+
+static const struct nvkm_head_func
+gv100_head = {
+	.state = gv100_head_state,
+	.rgpos = gv100_head_rgpos,
+	.rgclk = gf119_head_rgclk,
+	.vblank_get = gv100_head_vblank_get,
+	.vblank_put = gv100_head_vblank_put,
+};
+
+int
+gv100_head_new(struct nvkm_disp *disp, int id)
+{
+	struct nvkm_device *device = disp->engine.subdev.device;
+	if (!(nvkm_rd32(device, 0x610060) & (0x00000001 << id)))
+		return 0;
+	return nvkm_head_new_(&gv100_head, disp, id);
+}
+
+int
+gv100_head_cnt(struct nvkm_disp *disp, unsigned long *pmask)
+{
+	struct nvkm_device *device = disp->engine.subdev.device;
+	*pmask = nvkm_rd32(device, 0x610060) & 0x000000ff;
+	return nvkm_rd32(device, 0x610074) & 0x0000000f;
+}

drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h

@@ -30,7 +30,7 @@ struct nvkm_ior {
 			UNKNOWN
 		} proto:3;
 		unsigned link:2;
-		unsigned head:4;
+		unsigned head:8;
 	} arm, asy;
 
 	/* Armed DP state. */
@@ -133,10 +133,15 @@ void gf119_sor_dp_watermark(struct nvkm_ior *, int, u8);
 
 void gm107_sor_dp_pattern(struct nvkm_ior *, int);
 
+void gm200_sor_route_set(struct nvkm_outp *, struct nvkm_ior *);
+int gm200_sor_route_get(struct nvkm_outp *, int *);
+void gm200_sor_dp_drive(struct nvkm_ior *, int, int, int, int, int);
+
 void g84_hdmi_ctrl(struct nvkm_ior *, int, bool, u8, u8, u8 *, u8 , u8 *, u8);
 void gt215_hdmi_ctrl(struct nvkm_ior *, int, bool, u8, u8, u8 *, u8 , u8 *, u8);
 void gf119_hdmi_ctrl(struct nvkm_ior *, int, bool, u8, u8, u8 *, u8 , u8 *, u8);
 void gk104_hdmi_ctrl(struct nvkm_ior *, int, bool, u8, u8, u8 *, u8 , u8 *, u8);
+void gv100_hdmi_ctrl(struct nvkm_ior *, int, bool, u8, u8, u8 *, u8 , u8 *, u8);
 
 void gt215_hda_hpd(struct nvkm_ior *, int, bool);
 void gt215_hda_eld(struct nvkm_ior *, u8 *, u8);
@@ -178,4 +183,7 @@ int gf119_sor_new(struct nvkm_disp *, int);
 int gk104_sor_new(struct nvkm_disp *, int);
 int gm107_sor_new(struct nvkm_disp *, int);
 int gm200_sor_new(struct nvkm_disp *, int);
+
+int gv100_sor_cnt(struct nvkm_disp *, unsigned long *);
+int gv100_sor_new(struct nvkm_disp *, int);
 #endif

drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c

@@ -88,6 +88,12 @@ nv50_disp_oneinit_(struct nvkm_disp *base)
 	struct nvkm_device *device = subdev->device;
 	int ret, i;
 
+	if (func->wndw.cnt) {
+		disp->wndw.nr = func->wndw.cnt(&disp->base, &disp->wndw.mask);
+		nvkm_debug(subdev, "Window(s): %d (%08lx)\n",
+			   disp->wndw.nr, disp->wndw.mask);
+	}
+
 	disp->head.nr = func->head.cnt(&disp->base, &disp->head.mask);
 	nvkm_debug(subdev, "  Head(s): %d (%02lx)\n",
 		   disp->head.nr, disp->head.mask);
@@ -133,7 +139,8 @@ nv50_disp_oneinit_(struct nvkm_disp *base)
 	if (ret)
 		return ret;
 
-	return nvkm_ramht_new(device, 0x1000, 0, disp->inst, &disp->ramht);
+	return nvkm_ramht_new(device, func->ramht_size ? func->ramht_size :
+			      0x1000, 0, disp->inst, &disp->ramht);
 }
 
 static const struct nvkm_disp_func

drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h

@@ -18,7 +18,7 @@ struct nv50_disp {
 	struct {
 		unsigned long mask;
 		int nr;
-	} head, dac;
+	} wndw, head, dac;
 
 	struct {
 		unsigned long mask;
@@ -35,7 +35,7 @@ struct nv50_disp {
 	struct nvkm_gpuobj *inst;
 	struct nvkm_ramht *ramht;
 
-	struct nv50_disp_chan *chan[21];
+	struct nv50_disp_chan *chan[81];
 };
 
 void nv50_disp_super_1(struct nv50_disp *);
@@ -62,7 +62,9 @@ struct nv50_disp_func {
 	struct {
 		int (*cnt)(struct nvkm_disp *, unsigned long *mask);
 		int (*new)(struct nvkm_disp *, int id);
-	} head, dac, sor, pior;
+	} wndw, head, dac, sor, pior;
+
+	u16 ramht_size;
 };
 
 int nv50_disp_init(struct nv50_disp *);
@@ -86,4 +88,5 @@ int  nv50_disp_chan_uevent_ctor(struct nvkm_object *, void *, u32,
 void nv50_disp_chan_uevent_send(struct nv50_disp *, int);
 
 extern const struct nvkm_event_func gf119_disp_chan_uevent;
+extern const struct nvkm_event_func gv100_disp_chan_uevent;
 #endif

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgv100.c

+/*
+ * 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 "rootnv50.h"
+#include "channv50.h"
+
+#include <nvif/class.h>
+
+static const struct nv50_disp_root_func
+gv100_disp_root = {
+	.user = {
+		{{0,0,GV100_DISP_CURSOR                }, gv100_disp_curs_new },
+		{{0,0,GV100_DISP_WINDOW_IMM_CHANNEL_DMA}, gv100_disp_wimm_new },
+		{{0,0,GV100_DISP_CORE_CHANNEL_DMA      }, gv100_disp_core_new },
+		{{0,0,GV100_DISP_WINDOW_CHANNEL_DMA    }, gv100_disp_wndw_new },
+		{}
+	},
+};
+
+static int
+gv100_disp_root_new(struct nvkm_disp *disp, const struct nvkm_oclass *oclass,
+		    void *data, u32 size, struct nvkm_object **pobject)
+{
+	return nv50_disp_root_new_(&gv100_disp_root, disp, oclass,
+				   data, size, pobject);
+}
+
+const struct nvkm_disp_oclass
+gv100_disp_root_oclass = {
+	.base.oclass = GV100_DISP,
+	.base.minver = -1,
+	.base.maxver = -1,
+	.ctor = gv100_disp_root_new,
+};

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.h

@@ -36,4 +36,5 @@ extern const struct nvkm_disp_oclass gm107_disp_root_oclass;
 extern const struct nvkm_disp_oclass gm200_disp_root_oclass;
 extern const struct nvkm_disp_oclass gp100_disp_root_oclass;
 extern const struct nvkm_disp_oclass gp102_disp_root_oclass;
+extern const struct nvkm_disp_oclass gv100_disp_root_oclass;
 #endif

drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c

@@ -23,7 +23,7 @@
  */
 #include "ior.h"
 
-static void
+void
 gm200_sor_dp_drive(struct nvkm_ior *sor, int ln, int pc, int dc, int pe, int pu)
 {
 	struct nvkm_device *device = sor->disp->engine.subdev.device;
@@ -45,7 +45,7 @@ gm200_sor_dp_drive(struct nvkm_ior *sor, int ln, int pc, int dc, int pe, int pu)
 	nvkm_wr32(device, 0x61c13c + loff, data[3] | (pc << shift));
 }
 
-static void
+void
 gm200_sor_route_set(struct nvkm_outp *outp, struct nvkm_ior *ior)
 {
 	struct nvkm_device *device = outp->disp->engine.subdev.device;
@@ -62,7 +62,7 @@ gm200_sor_route_set(struct nvkm_outp *outp, struct nvkm_ior *ior)
 		nvkm_mask(device, 0x612388 + moff, 0x0000001f, link << 4 | sor);
 }
 
-static int
+int
 gm200_sor_route_get(struct nvkm_outp *outp, int *link)
 {
 	struct nvkm_device *device = outp->disp->engine.subdev.device;

drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgv100.c

+/*
+ * 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 "ior.h"
+
+#include <subdev/timer.h>
+
+static void
+gv100_sor_dp_watermark(struct nvkm_ior *sor, int head, u8 watermark)
+{
+	struct nvkm_device *device = sor->disp->engine.subdev.device;
+	const u32 hoff = head * 0x800;
+	nvkm_mask(device, 0x616550 + hoff, 0x0c00003f, 0x08000000 | watermark);
+}
+
+static void
+gv100_sor_dp_audio_sym(struct nvkm_ior *sor, int head, u16 h, u32 v)
+{
+	struct nvkm_device *device = sor->disp->engine.subdev.device;
+	const u32 hoff = head * 0x800;
+	nvkm_mask(device, 0x616568 + hoff, 0x0000ffff, h);
+	nvkm_mask(device, 0x61656c + hoff, 0x00ffffff, v);
+}
+
+static void
+gv100_sor_dp_audio(struct nvkm_ior *sor, int head, bool enable)
+{
+	struct nvkm_device *device = sor->disp->engine.subdev.device;
+	const u32 hoff = 0x800 * head;
+	const u32 data = 0x80000000 | (0x00000001 * enable);
+	const u32 mask = 0x8000000d;
+	nvkm_mask(device, 0x616560 + hoff, mask, data);
+	nvkm_msec(device, 2000,
+		if (!(nvkm_rd32(device, 0x616560 + hoff) & 0x80000000))
+			break;
+	);
+}
+
+static void
+gv100_sor_state(struct nvkm_ior *sor, struct nvkm_ior_state *state)
+{
+	struct nvkm_device *device = sor->disp->engine.subdev.device;
+	const u32 coff = (state == &sor->arm) * 0x8000 + sor->id * 0x20;
+	u32 ctrl = nvkm_rd32(device, 0x680300 + coff);
+
+	state->proto_evo = (ctrl & 0x00000f00) >> 8;
+	switch (state->proto_evo) {
+	case 0: state->proto = LVDS; state->link = 1; break;
+	case 1: state->proto = TMDS; state->link = 1; break;
+	case 2: state->proto = TMDS; state->link = 2; break;
+	case 5: state->proto = TMDS; state->link = 3; break;
+	case 8: state->proto =   DP; state->link = 1; break;
+	case 9: state->proto =   DP; state->link = 2; break;
+	default:
+		state->proto = UNKNOWN;
+		break;
+	}
+
+	state->head = ctrl & 0x000000ff;
+}
+
+static const struct nvkm_ior_func
+gv100_sor = {
+	.route = {
+		.get = gm200_sor_route_get,
+		.set = gm200_sor_route_set,
+	},
+	.state = gv100_sor_state,
+	.power = nv50_sor_power,
+	.clock = gf119_sor_clock,
+	.hdmi = {
+		.ctrl = gv100_hdmi_ctrl,
+	},
+	.dp = {
+		.lanes = { 0, 1, 2, 3 },
+		.links = gf119_sor_dp_links,
+		.power = g94_sor_dp_power,
+		.pattern = gm107_sor_dp_pattern,
+		.drive = gm200_sor_dp_drive,
+		.audio = gv100_sor_dp_audio,
+		.audio_sym = gv100_sor_dp_audio_sym,
+		.watermark = gv100_sor_dp_watermark,
+	},
+	.hda = {
+		.hpd = gf119_hda_hpd,
+		.eld = gf119_hda_eld,
+	},
+};
+
+int
+gv100_sor_new(struct nvkm_disp *disp, int id)
+{
+	return nvkm_ior_new_(&gv100_sor, disp, SOR, id);
+}
+
+int
+gv100_sor_cnt(struct nvkm_disp *disp, unsigned long *pmask)
+{
+	struct nvkm_device *device = disp->engine.subdev.device;
+	*pmask = (nvkm_rd32(device, 0x610060) & 0x0000ff00) >> 8;
+	return (nvkm_rd32(device, 0x610074) & 0x00000f00) >> 8;
+}

drivers/gpu/drm/nouveau/nvkm/engine/disp/wimmgv100.c

+/*
+ * 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 "channv50.h"
+
+#include <core/client.h>
+
+#include <nvif/clc37b.h>
+#include <nvif/unpack.h>
+
+static void
+gv100_disp_wimm_intr(struct nv50_disp_chan *chan, bool en)
+{
+	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
+	const u32 mask = 0x00000001 << chan->head;
+	const u32 data = en ? mask : 0;
+	nvkm_mask(device, 0x611da8, mask, data);
+}
+
+const struct nv50_disp_chan_func
+gv100_disp_wimm = {
+	.init = gv100_disp_dmac_init,
+	.fini = gv100_disp_dmac_fini,
+	.intr = gv100_disp_wimm_intr,
+	.user = gv100_disp_chan_user,
+};
+
+static int
+gv100_disp_wimm_new_(const struct nv50_disp_chan_func *func,
+		     const struct nv50_disp_chan_mthd *mthd,
+		     struct nv50_disp *disp, int chid,
+		     const struct nvkm_oclass *oclass, void *argv, u32 argc,
+		     struct nvkm_object **pobject)
+{
+	union {
+		struct nvc37b_window_imm_channel_dma_v0 v0;
+	} *args = argv;
+	struct nvkm_object *parent = oclass->parent;
+	int wndw, ret = -ENOSYS;
+	u64 push;
+
+	nvif_ioctl(parent, "create window imm channel dma size %d\n", argc);
+	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
+		nvif_ioctl(parent, "create window imm channel dma vers %d "
+				   "pushbuf %016llx index %d\n",
+			   args->v0.version, args->v0.pushbuf, args->v0.index);
+		if (!(disp->wndw.mask & BIT(args->v0.index)))
+			return -EINVAL;
+		push = args->v0.pushbuf;
+		wndw = args->v0.index;
+	} else
+		return ret;
+
+	return nv50_disp_dmac_new_(func, mthd, disp, chid + wndw,
+				   wndw, push, oclass, pobject);
+}
+
+int
+gv100_disp_wimm_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
+		    struct nv50_disp *disp, struct nvkm_object **pobject)
+{
+	return gv100_disp_wimm_new_(&gv100_disp_wimm, NULL, disp, 33,
+				    oclass, argv, argc, pobject);
+}

drivers/gpu/drm/nouveau/nvkm/engine/disp/wndwgv100.c

+/*
+ * 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 "channv50.h"
+
+#include <core/client.h>
+
+#include <nvif/clc37e.h>
+#include <nvif/unpack.h>
+
+static const struct nv50_disp_mthd_list
+gv100_disp_wndw_mthd_base = {
+	.mthd = 0x0000,
+	.addr = 0x000000,
+	.data = {
+		{ 0x0200, 0x690200 },
+		{ 0x020c, 0x69020c },
+		{ 0x0210, 0x690210 },
+		{ 0x0214, 0x690214 },
+		{ 0x0218, 0x690218 },
+		{ 0x021c, 0x69021c },
+		{ 0x0220, 0x690220 },
+		{ 0x0224, 0x690224 },
+		{ 0x0228, 0x690228 },
+		{ 0x022c, 0x69022c },
+		{ 0x0230, 0x690230 },
+		{ 0x0234, 0x690234 },
+		{ 0x0238, 0x690238 },
+		{ 0x0240, 0x690240 },
+		{ 0x0244, 0x690244 },
+		{ 0x0248, 0x690248 },
+		{ 0x024c, 0x69024c },
+		{ 0x0250, 0x690250 },
+		{ 0x0254, 0x690254 },
+		{ 0x0260, 0x690260 },
+		{ 0x0264, 0x690264 },
+		{ 0x0268, 0x690268 },
+		{ 0x026c, 0x69026c },
+		{ 0x0270, 0x690270 },
+		{ 0x0274, 0x690274 },
+		{ 0x0280, 0x690280 },
+		{ 0x0284, 0x690284 },
+		{ 0x0288, 0x690288 },
+		{ 0x028c, 0x69028c },
+		{ 0x0290, 0x690290 },
+		{ 0x0298, 0x690298 },
+		{ 0x029c, 0x69029c },
+		{ 0x02a0, 0x6902a0 },
+		{ 0x02a4, 0x6902a4 },
+		{ 0x02a8, 0x6902a8 },
+		{ 0x02ac, 0x6902ac },
+		{ 0x02b0, 0x6902b0 },
+		{ 0x02b4, 0x6902b4 },
+		{ 0x02b8, 0x6902b8 },
+		{ 0x02bc, 0x6902bc },
+		{ 0x02c0, 0x6902c0 },
+		{ 0x02c4, 0x6902c4 },
+		{ 0x02c8, 0x6902c8 },
+		{ 0x02cc, 0x6902cc },
+		{ 0x02d0, 0x6902d0 },
+		{ 0x02d4, 0x6902d4 },
+		{ 0x02d8, 0x6902d8 },
+		{ 0x02dc, 0x6902dc },
+		{ 0x02e0, 0x6902e0 },
+		{ 0x02e4, 0x6902e4 },
+		{ 0x02e8, 0x6902e8 },
+		{ 0x02ec, 0x6902ec },
+		{ 0x02f0, 0x6902f0 },
+		{ 0x02f4, 0x6902f4 },
+		{ 0x02f8, 0x6902f8 },
+		{ 0x02fc, 0x6902fc },
+		{ 0x0300, 0x690300 },
+		{ 0x0304, 0x690304 },
+		{ 0x0308, 0x690308 },
+		{ 0x0310, 0x690310 },
+		{ 0x0314, 0x690314 },
+		{ 0x0318, 0x690318 },
+		{ 0x031c, 0x69031c },
+		{ 0x0320, 0x690320 },
+		{ 0x0324, 0x690324 },
+		{ 0x0328, 0x690328 },
+		{ 0x032c, 0x69032c },
+		{ 0x033c, 0x69033c },
+		{ 0x0340, 0x690340 },
+		{ 0x0344, 0x690344 },
+		{ 0x0348, 0x690348 },
+		{ 0x034c, 0x69034c },
+		{ 0x0350, 0x690350 },
+		{ 0x0354, 0x690354 },
+		{ 0x0358, 0x690358 },
+		{ 0x0364, 0x690364 },
+		{ 0x0368, 0x690368 },
+		{ 0x036c, 0x69036c },
+		{ 0x0370, 0x690370 },
+		{ 0x0374, 0x690374 },
+		{ 0x0380, 0x690380 },
+		{}
+	}
+};
+
+const struct nv50_disp_chan_mthd
+gv100_disp_wndw_mthd = {
+	.name = "Base",
+	.addr = 0x001000,
+	.prev = 0x000800,
+	.data = {
+		{ "Global", 1, &gv100_disp_wndw_mthd_base },
+		{}
+	}
+};
+
+static void
+gv100_disp_wndw_intr(struct nv50_disp_chan *chan, bool en)
+{
+	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
+	const u32 mask = 0x00000001 << chan->head;
+	const u32 data = en ? mask : 0;
+	nvkm_mask(device, 0x611da4, mask, data);
+}
+
+const struct nv50_disp_chan_func
+gv100_disp_wndw = {
+	.init = gv100_disp_dmac_init,
+	.fini = gv100_disp_dmac_fini,
+	.intr = gv100_disp_wndw_intr,
+	.user = gv100_disp_chan_user,
+	.bind = gv100_disp_dmac_bind,
+};
+
+static int
+gv100_disp_wndw_new_(const struct nv50_disp_chan_func *func,
+		     const struct nv50_disp_chan_mthd *mthd,
+		     struct nv50_disp *disp, int chid,
+		     const struct nvkm_oclass *oclass, void *argv, u32 argc,
+		     struct nvkm_object **pobject)
+{
+	union {
+		struct nvc37e_window_channel_dma_v0 v0;
+	} *args = argv;
+	struct nvkm_object *parent = oclass->parent;
+	int wndw, ret = -ENOSYS;
+	u64 push;
+
+	nvif_ioctl(parent, "create window channel dma size %d\n", argc);
+	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
+		nvif_ioctl(parent, "create window channel dma vers %d "
+				   "pushbuf %016llx index %d\n",
+			   args->v0.version, args->v0.pushbuf, args->v0.index);
+		if (!(disp->wndw.mask & BIT(args->v0.index)))
+			return -EINVAL;
+		push = args->v0.pushbuf;
+		wndw = args->v0.index;
+	} else
+		return ret;
+
+	return nv50_disp_dmac_new_(func, mthd, disp, chid + wndw,
+				   wndw, push, oclass, pobject);
+}
+
+int
+gv100_disp_wndw_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
+		    struct nv50_disp *disp, struct nvkm_object **pobject)
+{
+	return gv100_disp_wndw_new_(&gv100_disp_wndw, &gv100_disp_wndw_mthd,
+				    disp, 1, oclass, argv, argc, pobject);
+}