drm/nouveau/disp/nv50-: replace user object with engine pointer in channels

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

drivers/gpu/drm/nouveau/nvkm/engine/disp/basenv50.c

@@ -58,7 +58,7 @@ nv50_disp_base_new(const struct nv50_disp_dmac_func *func,
 	} else
 		return ret;
 
-	return nv50_disp_dmac_new_(func, mthd, root, chid + head,
+	return nv50_disp_dmac_new_(func, mthd, disp, chid + head,
 				   head, push, oclass, pobject);
 }
 

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

@@ -65,7 +65,7 @@ nv50_disp_mthd_list(struct nv50_disp *disp, int debug, u32 base, int c,
 void
 nv50_disp_chan_mthd(struct nv50_disp_chan *chan, int debug)
 {
-	struct nv50_disp *disp = chan->root->disp;
+	struct nv50_disp *disp = chan->disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	const struct nv50_disp_chan_mthd *mthd = chan->mthd;
 	const struct nv50_disp_mthd_list *list;
@@ -158,7 +158,7 @@ static int
 nv50_disp_chan_rd32(struct nvkm_object *object, u64 addr, u32 *data)
 {
 	struct nv50_disp_chan *chan = nv50_disp_chan(object);
-	struct nv50_disp *disp = chan->root->disp;
+	struct nv50_disp *disp = chan->disp;
 	struct nvkm_device *device = disp->base.engine.subdev.device;
 	*data = nvkm_rd32(device, 0x640000 + (chan->chid.user * 0x1000) + addr);
 	return 0;
@@ -168,7 +168,7 @@ static int
 nv50_disp_chan_wr32(struct nvkm_object *object, u64 addr, u32 data)
 {
 	struct nv50_disp_chan *chan = nv50_disp_chan(object);
-	struct nv50_disp *disp = chan->root->disp;
+	struct nv50_disp *disp = chan->disp;
 	struct nvkm_device *device = disp->base.engine.subdev.device;
 	nvkm_wr32(device, 0x640000 + (chan->chid.user * 0x1000) + addr, data);
 	return 0;
@@ -179,7 +179,7 @@ nv50_disp_chan_ntfy(struct nvkm_object *object, u32 type,
 		    struct nvkm_event **pevent)
 {
 	struct nv50_disp_chan *chan = nv50_disp_chan(object);
-	struct nv50_disp *disp = chan->root->disp;
+	struct nv50_disp *disp = chan->disp;
 	switch (type) {
 	case NV50_DISP_CORE_CHANNEL_DMA_V0_NTFY_UEVENT:
 		*pevent = &disp->uevent;
@@ -195,7 +195,7 @@ nv50_disp_chan_map(struct nvkm_object *object, void *argv, u32 argc,
 		   enum nvkm_object_map *type, u64 *addr, u64 *size)
 {
 	struct nv50_disp_chan *chan = nv50_disp_chan(object);
-	struct nv50_disp *disp = chan->root->disp;
+	struct nv50_disp *disp = chan->disp;
 	struct nvkm_device *device = disp->base.engine.subdev.device;
 	*type = NVKM_OBJECT_MAP_IO;
 	*addr = device->func->resource_addr(device, 0) +
@@ -245,7 +245,7 @@ static void *
 nv50_disp_chan_dtor(struct nvkm_object *object)
 {
 	struct nv50_disp_chan *chan = nv50_disp_chan(object);
-	struct nv50_disp *disp = chan->root->disp;
+	struct nv50_disp *disp = chan->disp;
 	if (chan->chid.user >= 0)
 		disp->chan[chan->chid.user] = NULL;
 	return chan->func->dtor ? chan->func->dtor(chan) : chan;
@@ -266,16 +266,14 @@ nv50_disp_chan = {
 int
 nv50_disp_chan_ctor(const struct nv50_disp_chan_func *func,
 		    const struct nv50_disp_chan_mthd *mthd,
-		    struct nv50_disp_root *root, int ctrl, int user, int head,
+		    struct nv50_disp *disp, int ctrl, int user, int head,
 		    const struct nvkm_oclass *oclass,
 		    struct nv50_disp_chan *chan)
 {
-	struct nv50_disp *disp = root->disp;
-
 	nvkm_object_ctor(&nv50_disp_chan, oclass, &chan->object);
 	chan->func = func;
 	chan->mthd = mthd;
-	chan->root = root;
+	chan->disp = disp;
 	chan->chid.ctrl = ctrl;
 	chan->chid.user = user;
 	chan->head = head;
@@ -291,7 +289,7 @@ nv50_disp_chan_ctor(const struct nv50_disp_chan_func *func,
 int
 nv50_disp_chan_new_(const struct nv50_disp_chan_func *func,
 		    const struct nv50_disp_chan_mthd *mthd,
-		    struct nv50_disp_root *root, int ctrl, int user, int head,
+		    struct nv50_disp *disp, int ctrl, int user, int head,
 		    const struct nvkm_oclass *oclass,
 		    struct nvkm_object **pobject)
 {
@@ -301,6 +299,6 @@ nv50_disp_chan_new_(const struct nv50_disp_chan_func *func,
 		return -ENOMEM;
 	*pobject = &chan->object;
 
-	return nv50_disp_chan_ctor(func, mthd, root, ctrl, user,
+	return nv50_disp_chan_ctor(func, mthd, disp, ctrl, user,
 				   head, oclass, chan);
 }

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

@@ -9,7 +9,7 @@ struct nv50_disp_root;
 struct nv50_disp_chan {
 	const struct nv50_disp_chan_func *func;
 	const struct nv50_disp_chan_mthd *mthd;
-	struct nv50_disp_root *root;
+	struct nv50_disp *disp;
 
 	struct {
 		int ctrl;
@@ -32,11 +32,11 @@ struct nv50_disp_chan_func {
 
 int nv50_disp_chan_ctor(const struct nv50_disp_chan_func *,
 			const struct nv50_disp_chan_mthd *,
-			struct nv50_disp_root *, int ctrl, int user, int head,
+			struct nv50_disp *, int ctrl, int user, int head,
 			const struct nvkm_oclass *, struct nv50_disp_chan *);
 int nv50_disp_chan_new_(const struct nv50_disp_chan_func *,
 			const struct nv50_disp_chan_mthd *,
-			struct nv50_disp_root *, int ctrl, int user, int head,
+			struct nv50_disp *, int ctrl, int user, int head,
 			const struct nvkm_oclass *, struct nvkm_object **);
 
 extern const struct nv50_disp_chan_func nv50_disp_pioc_func;

drivers/gpu/drm/nouveau/nvkm/engine/disp/coregf119.c

@@ -174,7 +174,7 @@ gf119_disp_core_chan_mthd = {
 void
 gf119_disp_core_fini(struct nv50_disp_dmac *chan)
 {
-	struct nv50_disp *disp = chan->base.root->disp;
+	struct nv50_disp *disp = chan->base.disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 
@@ -197,7 +197,7 @@ gf119_disp_core_fini(struct nv50_disp_dmac *chan)
 static int
 gf119_disp_core_init(struct nv50_disp_dmac *chan)
 {
-	struct nv50_disp *disp = chan->base.root->disp;
+	struct nv50_disp *disp = chan->base.disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 

drivers/gpu/drm/nouveau/nvkm/engine/disp/coregp102.c

@@ -31,7 +31,7 @@
 static int
 gp102_disp_core_init(struct nv50_disp_dmac *chan)
 {
-	struct nv50_disp *disp = chan->base.root->disp;
+	struct nv50_disp *disp = chan->base.disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 

drivers/gpu/drm/nouveau/nvkm/engine/disp/corenv50.c

@@ -54,7 +54,7 @@ nv50_disp_core_new(const struct nv50_disp_dmac_func *func,
 	} else
 		return ret;
 
-	return nv50_disp_dmac_new_(func, mthd, root, chid, 0,
+	return nv50_disp_dmac_new_(func, mthd, root->disp, chid, 0,
 				   push, oclass, pobject);
 }
 
@@ -168,7 +168,7 @@ nv50_disp_core_chan_mthd = {
 static void
 nv50_disp_core_fini(struct nv50_disp_dmac *chan)
 {
-	struct nv50_disp *disp = chan->base.root->disp;
+	struct nv50_disp *disp = chan->base.disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 
@@ -190,7 +190,7 @@ nv50_disp_core_fini(struct nv50_disp_dmac *chan)
 static int
 nv50_disp_core_init(struct nv50_disp_dmac *chan)
 {
-	struct nv50_disp *disp = chan->base.root->disp;
+	struct nv50_disp *disp = chan->base.disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 

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

@@ -55,7 +55,7 @@ nv50_disp_curs_new(const struct nv50_disp_chan_func *func,
 	} else
 		return ret;
 
-	return nv50_disp_chan_new_(func, mthd, root, ctrl + head, user + head,
+	return nv50_disp_chan_new_(func, mthd, disp, ctrl + head, user + head,
 				   head, oclass, pobject);
 }
 

drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgf119.c

@@ -31,7 +31,7 @@ int
 gf119_disp_dmac_bind(struct nv50_disp_dmac *chan,
 		     struct nvkm_object *object, u32 handle)
 {
-	return nvkm_ramht_insert(chan->base.root->disp->ramht, object,
+	return nvkm_ramht_insert(chan->base.disp->ramht, object,
 				 chan->base.chid.user, -9, handle,
 				 chan->base.chid.user << 27 | 0x00000001);
 }
@@ -39,7 +39,7 @@ gf119_disp_dmac_bind(struct nv50_disp_dmac *chan,
 void
 gf119_disp_dmac_fini(struct nv50_disp_dmac *chan)
 {
-	struct nv50_disp *disp = chan->base.root->disp;
+	struct nv50_disp *disp = chan->base.disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 	int ctrl = chan->base.chid.ctrl;
@@ -64,7 +64,7 @@ gf119_disp_dmac_fini(struct nv50_disp_dmac *chan)
 static int
 gf119_disp_dmac_init(struct nv50_disp_dmac *chan)
 {
-	struct nv50_disp *disp = chan->base.root->disp;
+	struct nv50_disp *disp = chan->base.disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 	int ctrl = chan->base.chid.ctrl;

drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgp102.c

@@ -29,7 +29,7 @@
 static int
 gp102_disp_dmac_init(struct nv50_disp_dmac *chan)
 {
-	struct nv50_disp *disp = chan->base.root->disp;
+	struct nv50_disp *disp = chan->base.disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 	int ctrl = chan->base.chid.ctrl;

drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacnv50.c

@@ -56,7 +56,7 @@ nv50_disp_dmac_child_new_(struct nv50_disp_chan *base,
 			  void *data, u32 size, struct nvkm_object **pobject)
 {
 	struct nv50_disp_dmac *chan = nv50_disp_dmac(base);
-	struct nv50_disp *disp = chan->base.root->disp;
+	struct nv50_disp *disp = chan->base.disp;
 	struct nvkm_device *device = disp->base.engine.subdev.device;
 	const struct nvkm_device_oclass *sclass = oclass->priv;
 	struct nv50_disp_dmac_object *object;
@@ -85,7 +85,7 @@ nv50_disp_dmac_child_get_(struct nv50_disp_chan *base, int index,
 			  struct nvkm_oclass *sclass)
 {
 	struct nv50_disp_dmac *chan = nv50_disp_dmac(base);
-	struct nv50_disp *disp = chan->base.root->disp;
+	struct nv50_disp *disp = chan->base.disp;
 	struct nvkm_device *device = disp->base.engine.subdev.device;
 	const struct nvkm_device_oclass *oclass = NULL;
 
@@ -133,7 +133,7 @@ nv50_disp_dmac_func_ = {
 int
 nv50_disp_dmac_new_(const struct nv50_disp_dmac_func *func,
 		    const struct nv50_disp_chan_mthd *mthd,
-		    struct nv50_disp_root *root, int chid, int head, u64 push,
+		    struct nv50_disp *disp, int chid, int head, u64 push,
 		    const struct nvkm_oclass *oclass,
 		    struct nvkm_object **pobject)
 {
@@ -147,7 +147,7 @@ nv50_disp_dmac_new_(const struct nv50_disp_dmac_func *func,
 	*pobject = &chan->base.object;
 	chan->func = func;
 
-	ret = nv50_disp_chan_ctor(&nv50_disp_dmac_func_, mthd, root,
+	ret = nv50_disp_chan_ctor(&nv50_disp_dmac_func_, mthd, disp,
 				  chid, chid, head, oclass, &chan->base);
 	if (ret)
 		return ret;
@@ -177,7 +177,7 @@ int
 nv50_disp_dmac_bind(struct nv50_disp_dmac *chan,
 		    struct nvkm_object *object, u32 handle)
 {
-	return nvkm_ramht_insert(chan->base.root->disp->ramht, object,
+	return nvkm_ramht_insert(chan->base.disp->ramht, object,
 				 chan->base.chid.user, -10, handle,
 				 chan->base.chid.user << 28 |
 				 chan->base.chid.user);
@@ -186,7 +186,7 @@ nv50_disp_dmac_bind(struct nv50_disp_dmac *chan,
 static void
 nv50_disp_dmac_fini(struct nv50_disp_dmac *chan)
 {
-	struct nv50_disp *disp = chan->base.root->disp;
+	struct nv50_disp *disp = chan->base.disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 	int ctrl = chan->base.chid.ctrl;
@@ -210,7 +210,7 @@ nv50_disp_dmac_fini(struct nv50_disp_dmac *chan)
 static int
 nv50_disp_dmac_init(struct nv50_disp_dmac *chan)
 {
-	struct nv50_disp *disp = chan->base.root->disp;
+	struct nv50_disp *disp = chan->base.disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 	int ctrl = chan->base.chid.ctrl;

drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacnv50.h

@@ -18,7 +18,7 @@ struct nv50_disp_dmac_func {
 
 int nv50_disp_dmac_new_(const struct nv50_disp_dmac_func *,
 			const struct nv50_disp_chan_mthd *,
-			struct nv50_disp_root *, int chid, int head, u64 push,
+			struct nv50_disp *, int chid, int head, u64 push,
 			const struct nvkm_oclass *, struct nvkm_object **);
 
 extern const struct nv50_disp_dmac_func nv50_disp_dmac_func;

drivers/gpu/drm/nouveau/nvkm/engine/disp/oimmnv50.c

@@ -55,7 +55,7 @@ nv50_disp_oimm_new(const struct nv50_disp_chan_func *func,
 	} else
 		return ret;
 
-	return nv50_disp_chan_new_(func, mthd, root, ctrl + head, user + head,
+	return nv50_disp_chan_new_(func, mthd, disp, ctrl + head, user + head,
 				   head, oclass, pobject);
 }
 

drivers/gpu/drm/nouveau/nvkm/engine/disp/ovlynv50.c

@@ -58,7 +58,7 @@ nv50_disp_ovly_new(const struct nv50_disp_dmac_func *func,
 	} else
 		return ret;
 
-	return nv50_disp_dmac_new_(func, mthd, root, chid + head,
+	return nv50_disp_dmac_new_(func, mthd, disp, chid + head,
 				   head, push, oclass, pobject);
 }
 

drivers/gpu/drm/nouveau/nvkm/engine/disp/piocgf119.c

@@ -29,7 +29,7 @@
 static void
 gf119_disp_pioc_fini(struct nv50_disp_chan *chan)
 {
-	struct nv50_disp *disp = chan->root->disp;
+	struct nv50_disp *disp = chan->disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 	int ctrl = chan->chid.ctrl;
@@ -52,7 +52,7 @@ gf119_disp_pioc_fini(struct nv50_disp_chan *chan)
 static int
 gf119_disp_pioc_init(struct nv50_disp_chan *chan)
 {
-	struct nv50_disp *disp = chan->root->disp;
+	struct nv50_disp *disp = chan->disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 	int ctrl = chan->chid.ctrl;

drivers/gpu/drm/nouveau/nvkm/engine/disp/piocnv50.c

@@ -29,7 +29,7 @@
 static void
 nv50_disp_pioc_fini(struct nv50_disp_chan *chan)
 {
-	struct nv50_disp *disp = chan->root->disp;
+	struct nv50_disp *disp = chan->disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 	int ctrl = chan->chid.ctrl;
@@ -48,7 +48,7 @@ nv50_disp_pioc_fini(struct nv50_disp_chan *chan)
 static int
 nv50_disp_pioc_init(struct nv50_disp_chan *chan)
 {
-	struct nv50_disp *disp = chan->root->disp;
+	struct nv50_disp *disp = chan->disp;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 	int ctrl = chan->chid.ctrl;