drm/nouveau/disp/nv50-: simplify definition of cursor channels

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

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

@@ -100,10 +100,7 @@ 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/cursg84.o
-nvkm-y += nvkm/engine/disp/cursgt215.o
 nvkm-y += nvkm/engine/disp/cursgf119.o
-nvkm-y += nvkm/engine/disp/cursgk104.o
 nvkm-y += nvkm/engine/disp/cursgp102.o
 
 nvkm-y += nvkm/engine/disp/oimmnv50.o

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

@@ -50,6 +50,10 @@ void nv50_disp_chan_uevent_send(struct nv50_disp *, int);
 
 extern const struct nvkm_event_func gf119_disp_chan_uevent;
 
+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,
+			struct nvkm_object **);
 int nv50_disp_oimm_new_(const struct nv50_disp_chan_func *,
 			struct nv50_disp *, int ctrl, int user,
 			const struct nvkm_oclass *, void *argv, u32 argc,
@@ -65,6 +69,8 @@ int nv50_disp_ovly_new_(const struct nv50_disp_dmac_func *,
 			const struct nvkm_oclass *, void *argv, u32 argc,
 			struct nvkm_object **);
 
+int nv50_disp_curs_new(const struct nvkm_oclass *, void *, u32,
+		       struct nv50_disp *, struct nvkm_object **);
 int nv50_disp_oimm_new(const struct nvkm_oclass *, void *, u32,
 		       struct nv50_disp *, struct nvkm_object **);
 int nv50_disp_base_new(const struct nvkm_oclass *, void *, u32,
@@ -80,6 +86,8 @@ int g84_disp_ovly_new(const struct nvkm_oclass *, void *, u32,
 int gt200_disp_ovly_new(const struct nvkm_oclass *, void *, u32,
 			struct nv50_disp *, struct nvkm_object **);
 
+int gf119_disp_curs_new(const struct nvkm_oclass *, void *, u32,
+			struct nv50_disp *, struct nvkm_object **);
 int gf119_disp_oimm_new(const struct nvkm_oclass *, void *, u32,
 			struct nv50_disp *, struct nvkm_object **);
 int gf119_disp_base_new(const struct nvkm_oclass *, void *, u32,
@@ -90,6 +98,8 @@ int gf119_disp_ovly_new(const struct nvkm_oclass *, void *, u32,
 int gk104_disp_ovly_new(const struct nvkm_oclass *, void *, u32,
 			struct nv50_disp *, struct nvkm_object **);
 
+int gp102_disp_curs_new(const struct nvkm_oclass *, void *, u32,
+			struct nv50_disp *, struct nvkm_object **);
 int gp102_disp_oimm_new(const struct nvkm_oclass *, void *, u32,
 			struct nv50_disp *, struct nvkm_object **);
 int gp102_disp_base_new(const struct nvkm_oclass *, void *, u32,
@@ -139,37 +149,4 @@ extern const struct nv50_disp_chan_mthd gf119_disp_base_mthd;
 
 extern const struct nv50_disp_chan_mthd gk104_disp_core_chan_mthd;
 extern const struct nv50_disp_chan_mthd gk104_disp_ovly_mthd;
-
-struct nv50_disp_pioc_oclass {
-	int (*ctor)(const struct nv50_disp_chan_func *,
-		    const struct nv50_disp_chan_mthd *,
-		    struct nv50_disp_root *, int ctrl, int user,
-		    const struct nvkm_oclass *, void *data, u32 size,
-		    struct nvkm_object **);
-	struct nvkm_sclass base;
-	const struct nv50_disp_chan_func *func;
-	const struct nv50_disp_chan_mthd *mthd;
-	struct {
-		int ctrl;
-		int user;
-	} chid;
-};
-
-extern const struct nv50_disp_pioc_oclass nv50_disp_curs_oclass;
-
-extern const struct nv50_disp_pioc_oclass g84_disp_curs_oclass;
-
-extern const struct nv50_disp_pioc_oclass gt215_disp_curs_oclass;
-
-extern const struct nv50_disp_pioc_oclass gf119_disp_curs_oclass;
-
-extern const struct nv50_disp_pioc_oclass gk104_disp_curs_oclass;
-
-extern const struct nv50_disp_pioc_oclass gp102_disp_curs_oclass;
-
-int nv50_disp_curs_new(const struct nv50_disp_chan_func *,
-		       const struct nv50_disp_chan_mthd *,
-		       struct nv50_disp_root *, int ctrl, int user,
-		       const struct nvkm_oclass *, void *data, u32 size,
-		       struct nvkm_object **);
 #endif

drivers/gpu/drm/nouveau/nvkm/engine/disp/cursg84.c

-/*
- * Copyright 2015 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: Ben Skeggs <bskeggs@redhat.com>
- */
-#include "channv50.h"
-#include "rootnv50.h"
-
-#include <nvif/class.h>
-
-const struct nv50_disp_pioc_oclass
-g84_disp_curs_oclass = {
-	.base.oclass = G82_DISP_CURSOR,
-	.base.minver = 0,
-	.base.maxver = 0,
-	.ctor = nv50_disp_curs_new,
-	.func = &nv50_disp_pioc_func,
-	.chid = { 7, 7 },
-};

drivers/gpu/drm/nouveau/nvkm/engine/disp/cursgf119.c

@@ -22,16 +22,11 @@
  * Authors: Ben Skeggs
  */
 #include "channv50.h"
-#include "rootnv50.h"
 
-#include <nvif/class.h>
-
-const struct nv50_disp_pioc_oclass
-gf119_disp_curs_oclass = {
-	.base.oclass = GF110_DISP_CURSOR,
-	.base.minver = 0,
-	.base.maxver = 0,
-	.ctor = nv50_disp_curs_new,
-	.func = &gf119_disp_pioc_func,
-	.chid = { 13, 13 },
-};
+int
+gf119_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_(&gf119_disp_pioc_func, disp, 13, 13,
+				   oclass, argv, argc, pobject);
+}

drivers/gpu/drm/nouveau/nvkm/engine/disp/cursgk104.c

-/*
- * 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 "rootnv50.h"
-
-#include <nvif/class.h>
-
-const struct nv50_disp_pioc_oclass
-gk104_disp_curs_oclass = {
-	.base.oclass = GK104_DISP_CURSOR,
-	.base.minver = 0,
-	.base.maxver = 0,
-	.ctor = nv50_disp_curs_new,
-	.func = &gf119_disp_pioc_func,
-	.chid = { 13, 13 },
-};

drivers/gpu/drm/nouveau/nvkm/engine/disp/cursgp102.c

@@ -22,16 +22,11 @@
  * Authors: Ben Skeggs <bskeggs@redhat.com>
  */
 #include "channv50.h"
-#include "rootnv50.h"
 
-#include <nvif/class.h>
-
-const struct nv50_disp_pioc_oclass
-gp102_disp_curs_oclass = {
-	.base.oclass = GK104_DISP_CURSOR,
-	.base.minver = 0,
-	.base.maxver = 0,
-	.ctor = nv50_disp_curs_new,
-	.func = &gf119_disp_pioc_func,
-	.chid = { 13, 17 },
-};
+int
+gp102_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_(&gf119_disp_pioc_func, disp, 13, 17,
+				   oclass, argv, argc, pobject);
+}

drivers/gpu/drm/nouveau/nvkm/engine/disp/cursgt215.c

-/*
- * Copyright 2015 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: Ben Skeggs <bskeggs@redhat.com>
- */
-#include "channv50.h"
-#include "rootnv50.h"
-
-#include <nvif/class.h>
-
-const struct nv50_disp_pioc_oclass
-gt215_disp_curs_oclass = {
-	.base.oclass = GT214_DISP_CURSOR,
-	.base.minver = 0,
-	.base.maxver = 0,
-	.ctor = nv50_disp_curs_new,
-	.func = &nv50_disp_pioc_func,
-	.chid = { 7, 7 },
-};

drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c

@@ -23,30 +23,26 @@
  */
 #include "channv50.h"
 #include "head.h"
-#include "rootnv50.h"
 
 #include <core/client.h>
 
-#include <nvif/class.h>
 #include <nvif/cl507a.h>
 #include <nvif/unpack.h>
 
 int
-nv50_disp_curs_new(const struct nv50_disp_chan_func *func,
-		   const struct nv50_disp_chan_mthd *mthd,
-		   struct nv50_disp_root *root, int ctrl, int user,
-		   const struct nvkm_oclass *oclass, void *data, u32 size,
-		   struct nvkm_object **pobject)
+nv50_disp_curs_new_(const struct nv50_disp_chan_func *func,
+		    struct nv50_disp *disp, int ctrl, int user,
+		    const struct nvkm_oclass *oclass, void *argv, u32 argc,
+		    struct nvkm_object **pobject)
 {
 	union {
 		struct nv50_disp_cursor_v0 v0;
-	} *args = data;
+	} *args = argv;
 	struct nvkm_object *parent = oclass->parent;
-	struct nv50_disp *disp = root->disp;
 	int head, ret = -ENOSYS;
 
-	nvif_ioctl(parent, "create disp cursor size %d\n", size);
-	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
+	nvif_ioctl(parent, "create disp cursor size %d\n", argc);
+	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
 		nvif_ioctl(parent, "create disp cursor vers %d head %d\n",
 			   args->v0.version, args->v0.head);
 		if (!nvkm_head_find(&disp->base, args->v0.head))
@@ -55,16 +51,14 @@ nv50_disp_curs_new(const struct nv50_disp_chan_func *func,
 	} else
 		return ret;
 
-	return nv50_disp_chan_new_(func, mthd, disp, ctrl + head, user + head,
+	return nv50_disp_chan_new_(func, NULL, disp, ctrl + head, user + head,
 				   head, oclass, pobject);
 }
 
-const struct nv50_disp_pioc_oclass
-nv50_disp_curs_oclass = {
-	.base.oclass = NV50_DISP_CURSOR,
-	.base.minver = 0,
-	.base.maxver = 0,
-	.ctor = nv50_disp_curs_new,
-	.func = &nv50_disp_pioc_func,
-	.chid = { 7, 7 },
-};
+int
+nv50_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_(&nv50_disp_pioc_func, disp, 7, 7,
+				   oclass, argv, argc, pobject);
+}

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootg84.c

@@ -31,10 +31,8 @@ g84_disp_root = {
 	.dmac = {
 		&g84_disp_core_oclass,
 	},
-	.pioc = {
-		&g84_disp_curs_oclass,
-	},
 	.user = {
+		{{0,0,G82_DISP_CURSOR             }, nv50_disp_curs_new },
 		{{0,0,G82_DISP_OVERLAY            }, nv50_disp_oimm_new },
 		{{0,0,G82_DISP_BASE_CHANNEL_DMA   },  g84_disp_base_new },
 		{{0,0,G82_DISP_OVERLAY_CHANNEL_DMA},  g84_disp_ovly_new },

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootg94.c

@@ -31,10 +31,8 @@ g94_disp_root = {
 	.dmac = {
 		&g94_disp_core_oclass,
 	},
-	.pioc = {
-		&g84_disp_curs_oclass,
-	},
 	.user = {
+		{{0,0,  G82_DISP_CURSOR             },  nv50_disp_curs_new },
 		{{0,0,  G82_DISP_OVERLAY            },  nv50_disp_oimm_new },
 		{{0,0,GT200_DISP_BASE_CHANNEL_DMA   },   g84_disp_base_new },
 		{{0,0,GT200_DISP_OVERLAY_CHANNEL_DMA}, gt200_disp_ovly_new },

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgf119.c

@@ -31,10 +31,8 @@ gf119_disp_root = {
 	.dmac = {
 		&gf119_disp_core_oclass,
 	},
-	.pioc = {
-		&gf119_disp_curs_oclass,
-	},
 	.user = {
+		{{0,0,GF110_DISP_CURSOR             }, gf119_disp_curs_new },
 		{{0,0,GF110_DISP_OVERLAY            }, gf119_disp_oimm_new },
 		{{0,0,GF110_DISP_BASE_CHANNEL_DMA   }, gf119_disp_base_new },
 		{{0,0,GF110_DISP_OVERLAY_CONTROL_DMA}, gf119_disp_ovly_new },

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgk104.c

@@ -31,10 +31,8 @@ gk104_disp_root = {
 	.dmac = {
 		&gk104_disp_core_oclass,
 	},
-	.pioc = {
-		&gk104_disp_curs_oclass,
-	},
 	.user = {
+		{{0,0,GK104_DISP_CURSOR             }, gf119_disp_curs_new },
 		{{0,0,GK104_DISP_OVERLAY            }, gf119_disp_oimm_new },
 		{{0,0,GK104_DISP_BASE_CHANNEL_DMA   }, gf119_disp_base_new },
 		{{0,0,GK104_DISP_OVERLAY_CONTROL_DMA}, gk104_disp_ovly_new },

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgk110.c

@@ -31,10 +31,8 @@ gk110_disp_root = {
 	.dmac = {
 		&gk110_disp_core_oclass,
 	},
-	.pioc = {
-		&gk104_disp_curs_oclass,
-	},
 	.user = {
+		{{0,0,GK104_DISP_CURSOR             }, gf119_disp_curs_new },
 		{{0,0,GK104_DISP_OVERLAY            }, gf119_disp_oimm_new },
 		{{0,0,GK110_DISP_BASE_CHANNEL_DMA   }, gf119_disp_base_new },
 		{{0,0,GK104_DISP_OVERLAY_CONTROL_DMA}, gk104_disp_ovly_new },

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgm107.c

@@ -31,10 +31,8 @@ gm107_disp_root = {
 	.dmac = {
 		&gm107_disp_core_oclass,
 	},
-	.pioc = {
-		&gk104_disp_curs_oclass,
-	},
 	.user = {
+		{{0,0,GK104_DISP_CURSOR             }, gf119_disp_curs_new },
 		{{0,0,GK104_DISP_OVERLAY            }, gf119_disp_oimm_new },
 		{{0,0,GK110_DISP_BASE_CHANNEL_DMA   }, gf119_disp_base_new },
 		{{0,0,GK104_DISP_OVERLAY_CONTROL_DMA}, gk104_disp_ovly_new },

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgm200.c

@@ -31,10 +31,8 @@ gm200_disp_root = {
 	.dmac = {
 		&gm200_disp_core_oclass,
 	},
-	.pioc = {
-		&gk104_disp_curs_oclass,
-	},
 	.user = {
+		{{0,0,GK104_DISP_CURSOR             }, gf119_disp_curs_new },
 		{{0,0,GK104_DISP_OVERLAY            }, gf119_disp_oimm_new },
 		{{0,0,GK110_DISP_BASE_CHANNEL_DMA   }, gf119_disp_base_new },
 		{{0,0,GK104_DISP_OVERLAY_CONTROL_DMA}, gk104_disp_ovly_new },

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgp100.c

@@ -31,10 +31,8 @@ gp100_disp_root = {
 	.dmac = {
 		&gp100_disp_core_oclass,
 	},
-	.pioc = {
-		&gk104_disp_curs_oclass,
-	},
 	.user = {
+		{{0,0,GK104_DISP_CURSOR             }, gf119_disp_curs_new },
 		{{0,0,GK104_DISP_OVERLAY            }, gf119_disp_oimm_new },
 		{{0,0,GK110_DISP_BASE_CHANNEL_DMA   }, gf119_disp_base_new },
 		{{0,0,GK104_DISP_OVERLAY_CONTROL_DMA}, gk104_disp_ovly_new },

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgp102.c

@@ -31,10 +31,8 @@ gp102_disp_root = {
 	.dmac = {
 		&gp102_disp_core_oclass,
 	},
-	.pioc = {
-		&gp102_disp_curs_oclass,
-	},
 	.user = {
+		{{0,0,GK104_DISP_CURSOR             }, gp102_disp_curs_new },
 		{{0,0,GK104_DISP_OVERLAY            }, gp102_disp_oimm_new },
 		{{0,0,GK110_DISP_BASE_CHANNEL_DMA   }, gp102_disp_base_new },
 		{{0,0,GK104_DISP_OVERLAY_CONTROL_DMA}, gp102_disp_ovly_new },

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgt200.c

@@ -31,10 +31,8 @@ gt200_disp_root = {
 	.dmac = {
 		&gt200_disp_core_oclass,
 	},
-	.pioc = {
-		&g84_disp_curs_oclass,
-	},
 	.user = {
+		{{0,0,  G82_DISP_CURSOR             },  nv50_disp_curs_new },
 		{{0,0,  G82_DISP_OVERLAY            },  nv50_disp_oimm_new },
 		{{0,0,GT200_DISP_BASE_CHANNEL_DMA   },   g84_disp_base_new },
 		{{0,0,GT200_DISP_OVERLAY_CHANNEL_DMA}, gt200_disp_ovly_new },

drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgt215.c

@@ -31,10 +31,8 @@ gt215_disp_root = {
 	.dmac = {
 		&gt215_disp_core_oclass,
 	},
-	.pioc = {
-		&gt215_disp_curs_oclass,
-	},
 	.user = {
+		{{0,0,GT214_DISP_CURSOR             },  nv50_disp_curs_new },
 		{{0,0,GT214_DISP_OVERLAY            },  nv50_disp_oimm_new },
 		{{0,0,GT214_DISP_BASE_CHANNEL_DMA   },   g84_disp_base_new },
 		{{0,0,GT214_DISP_OVERLAY_CHANNEL_DMA},   g84_disp_ovly_new },

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

@@ -278,16 +278,6 @@ nv50_disp_root_dmac_new_(const struct nvkm_oclass *oclass,
 			    oclass, data, size, pobject);
 }
 
-static int
-nv50_disp_root_pioc_new_(const struct nvkm_oclass *oclass,
-			 void *data, u32 size, struct nvkm_object **pobject)
-{
-	const struct nv50_disp_pioc_oclass *sclass = oclass->priv;
-	struct nv50_disp_root *root = nv50_disp_root(oclass->parent);
-	return sclass->ctor(sclass->func, sclass->mthd, root, sclass->chid.ctrl,
-			    sclass->chid.user, oclass, data, size, pobject);
-}
-
 static int
 nv50_disp_root_child_new_(const struct nvkm_oclass *oclass,
 			  void *argv, u32 argc, struct nvkm_object **pobject)
@@ -312,15 +302,6 @@ nv50_disp_root_child_get_(struct nvkm_object *object, int index,
 
 	index -= ARRAY_SIZE(root->func->dmac);
 
-	if (index < ARRAY_SIZE(root->func->pioc)) {
-		sclass->base = root->func->pioc[index]->base;
-		sclass->priv = root->func->pioc[index];
-		sclass->ctor = nv50_disp_root_pioc_new_;
-		return 0;
-	}
-
-	index -= ARRAY_SIZE(root->func->pioc);
-
 	if (root->func->user[index].ctor) {
 		sclass->base = root->func->user[index].base;
 		sclass->priv = root->func->user + index;
@@ -369,10 +350,8 @@ nv50_disp_root = {
 	.dmac = {
 		&nv50_disp_core_oclass,
 	},
-	.pioc = {
-		&nv50_disp_curs_oclass,
-	},
 	.user = {
+		{{0,0,NV50_DISP_CURSOR             }, nv50_disp_curs_new },
 		{{0,0,NV50_DISP_OVERLAY            }, nv50_disp_oimm_new },
 		{{0,0,NV50_DISP_BASE_CHANNEL_DMA   }, nv50_disp_base_new },
 		{{0,0,NV50_DISP_OVERLAY_CHANNEL_DMA}, nv50_disp_ovly_new },

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

@@ -3,7 +3,6 @@
 #define __NV50_DISP_ROOT_H__
 #define nv50_disp_root(p) container_of((p), struct nv50_disp_root, object)
 #include "nv50.h"
-#include "channv50.h"
 #include "dmacnv50.h"
 
 struct nv50_disp_root {
@@ -14,7 +13,6 @@ struct nv50_disp_root {
 
 struct nv50_disp_root_func {
 	const struct nv50_disp_dmac_oclass *dmac[1];
-	const struct nv50_disp_pioc_oclass *pioc[1];
 	struct nv50_disp_user {
 		struct nvkm_sclass base;
 		int (*ctor)(const struct nvkm_oclass *, void *argv, u32 argc,