drm/nouveau/disp: collapse nv50_disp_func into nvkm_disp_func

Aside from a chicken-and-egg problem with a duplicate 'root' member,
this is a straight dump of function pointers from one struct into
another.

The left-over wrapping mess in >=nv50 structs will be fixed later.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

21 files changed, 192 insertions, 127 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c
index 5daa77755276..accfabf87994 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c
@@ -197,9 +197,8 @@ nvkm_disp_class_get(struct nvkm_oclass *oclass, int index,
 {
 	struct nvkm_disp *disp = nvkm_disp(oclass->engine);
 	if (index == 0) {
-		const struct nvkm_disp_oclass *root = disp->func->root(disp);
-		oclass->base = root->base;
-		oclass->engn = root;
+		oclass->base = disp->func->root->base;
+		oclass->engn = disp->func->root;
 		*class = &nvkm_disp_sclass;
 		return 0;
 	}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/g84.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/g84.c
index 156bbe8b2de3..2a13931ceb57 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/g84.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/g84.c
@@ -26,11 +26,16 @@
 #include "ior.h"
 #include "rootnv50.h"
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 g84_disp = {
-	.init = nv50_disp_init,
-	.fini = nv50_disp_fini,
-	.intr = nv50_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = nv50_disp_init,
+	.fini_ = nv50_disp_fini,
+	.intr_ = nv50_disp_intr,
 	.uevent = &nv50_disp_chan_uevent,
 	.super = nv50_disp_super,
 	.root = &g84_disp_root_oclass,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/g94.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/g94.c
index 3425b5d3bc72..551615582882 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/g94.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/g94.c
@@ -26,11 +26,16 @@
 #include "ior.h"
 #include "rootnv50.h"
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 g94_disp = {
-	.init = nv50_disp_init,
-	.fini = nv50_disp_fini,
-	.intr = nv50_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = nv50_disp_init,
+	.fini_ = nv50_disp_fini,
+	.intr_ = nv50_disp_intr,
 	.uevent = &nv50_disp_chan_uevent,
 	.super = nv50_disp_super,
 	.root = &g94_disp_root_oclass,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ga102.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ga102.c
index 68aa52588d92..c7b280973d86 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ga102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ga102.c
@@ -25,11 +25,16 @@
 #include "channv50.h"
 #include "rootnv50.h"
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 ga102_disp = {
-	.init = tu102_disp_init,
-	.fini = gv100_disp_fini,
-	.intr = gv100_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = tu102_disp_init,
+	.fini_ = gv100_disp_fini,
+	.intr_ = gv100_disp_intr,
 	.uevent = &gv100_disp_chan_uevent,
 	.super = gv100_disp_super,
 	.root = &ga102_disp_root_oclass,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c
index a6bafe7fea1f..905ee2acbd7e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c
@@ -251,11 +251,16 @@ gf119_disp_init(struct nv50_disp *disp)
 	return 0;
 }
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 gf119_disp = {
-	.init = gf119_disp_init,
-	.fini = gf119_disp_fini,
-	.intr = gf119_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = gf119_disp_init,
+	.fini_ = gf119_disp_fini,
+	.intr_ = gf119_disp_intr,
 	.intr_error = gf119_disp_intr_error,
 	.uevent = &gf119_disp_chan_uevent,
 	.super = gf119_disp_super,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk104.c
index 3b79cf233ac5..15c750240903 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk104.c
@@ -26,11 +26,16 @@
 #include "ior.h"
 #include "rootnv50.h"
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 gk104_disp = {
-	.init = gf119_disp_init,
-	.fini = gf119_disp_fini,
-	.intr = gf119_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = gf119_disp_init,
+	.fini_ = gf119_disp_fini,
+	.intr_ = gf119_disp_intr,
 	.intr_error = gf119_disp_intr_error,
 	.uevent = &gf119_disp_chan_uevent,
 	.super = gf119_disp_super,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk110.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk110.c
index 988eb12237a6..fcde0c5da111 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk110.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gk110.c
@@ -26,11 +26,16 @@
 #include "ior.h"
 #include "rootnv50.h"
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 gk110_disp = {
-	.init = gf119_disp_init,
-	.fini = gf119_disp_fini,
-	.intr = gf119_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = gf119_disp_init,
+	.fini_ = gf119_disp_fini,
+	.intr_ = gf119_disp_intr,
 	.intr_error = gf119_disp_intr_error,
 	.uevent = &gf119_disp_chan_uevent,
 	.super = gf119_disp_super,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm107.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm107.c
index 5d8108feeacd..8a072663b062 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm107.c
@@ -26,11 +26,16 @@
 #include "ior.h"
 #include "rootnv50.h"
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 gm107_disp = {
-	.init = gf119_disp_init,
-	.fini = gf119_disp_fini,
-	.intr = gf119_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = gf119_disp_init,
+	.fini_ = gf119_disp_fini,
+	.intr_ = gf119_disp_intr,
 	.intr_error = gf119_disp_intr_error,
 	.uevent = &gf119_disp_chan_uevent,
 	.super = gf119_disp_super,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm200.c
index f7bb66087476..af21bf0baf7e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gm200.c
@@ -26,11 +26,16 @@
 #include "ior.h"
 #include "rootnv50.h"
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 gm200_disp = {
-	.init = gf119_disp_init,
-	.fini = gf119_disp_fini,
-	.intr = gf119_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = gf119_disp_init,
+	.fini_ = gf119_disp_fini,
+	.intr_ = gf119_disp_intr,
 	.intr_error = gf119_disp_intr_error,
 	.uevent = &gf119_disp_chan_uevent,
 	.super = gf119_disp_super,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp100.c
index af0ca812a394..ac43cfb7c7bd 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp100.c
@@ -26,11 +26,16 @@
 #include "ior.h"
 #include "rootnv50.h"
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 gp100_disp = {
-	.init = gf119_disp_init,
-	.fini = gf119_disp_fini,
-	.intr = gf119_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = gf119_disp_init,
+	.fini_ = gf119_disp_fini,
+	.intr_ = gf119_disp_intr,
 	.intr_error = gf119_disp_intr_error,
 	.uevent = &gf119_disp_chan_uevent,
 	.super = gf119_disp_super,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp102.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp102.c
index 065fea1bdfd1..235e4b6556eb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gp102.c
@@ -53,11 +53,16 @@ gp102_disp_intr_error(struct nv50_disp *disp, int chid)
 	nvkm_wr32(device, 0x6111f0 + (chid * 12), 0x90000000);
 }
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 gp102_disp = {
-	.init = gf119_disp_init,
-	.fini = gf119_disp_fini,
-	.intr = gf119_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = gf119_disp_init,
+	.fini_ = gf119_disp_fini,
+	.intr_ = gf119_disp_intr,
 	.intr_error = gp102_disp_intr_error,
 	.uevent = &gf119_disp_chan_uevent,
 	.super = gf119_disp_super,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt200.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt200.c
index 22bc269df64a..e3d1789e66a8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt200.c
@@ -26,11 +26,16 @@
 #include "ior.h"
 #include "rootnv50.h"
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 gt200_disp = {
-	.init = nv50_disp_init,
-	.fini = nv50_disp_fini,
-	.intr = nv50_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = nv50_disp_init,
+	.fini_ = nv50_disp_fini,
+	.intr_ = nv50_disp_intr,
 	.uevent = &nv50_disp_chan_uevent,
 	.super = nv50_disp_super,
 	.root = &gt200_disp_root_oclass,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt215.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt215.c
index 63a912b174d7..c38f1a8df8ac 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt215.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gt215.c
@@ -26,11 +26,16 @@
 #include "ior.h"
 #include "rootnv50.h"
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 gt215_disp = {
-	.init = nv50_disp_init,
-	.fini = nv50_disp_fini,
-	.intr = nv50_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = nv50_disp_init,
+	.fini_ = nv50_disp_fini,
+	.intr_ = nv50_disp_intr,
 	.uevent = &nv50_disp_chan_uevent,
 	.super = nv50_disp_super,
 	.root = &gt215_disp_root_oclass,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c
index 53879d5271cf..fa9d44611bcb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c
@@ -426,11 +426,16 @@ gv100_disp_init(struct nv50_disp *disp)
 	return 0;
 }
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 gv100_disp = {
-	.init = gv100_disp_init,
-	.fini = gv100_disp_fini,
-	.intr = gv100_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.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,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp77.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp77.c
index 762a59f24bbb..d92921198f47 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp77.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp77.c
@@ -24,11 +24,16 @@
 #include "ior.h"
 #include "rootnv50.h"
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 mcp77_disp = {
-	.init = nv50_disp_init,
-	.fini = nv50_disp_fini,
-	.intr = nv50_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = nv50_disp_init,
+	.fini_ = nv50_disp_fini,
+	.intr_ = nv50_disp_intr,
 	.uevent = &nv50_disp_chan_uevent,
 	.super = nv50_disp_super,
 	.root = &g94_disp_root_oclass,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp89.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp89.c
index e5c58aae15de..644dfe300df5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp89.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp89.c
@@ -24,11 +24,16 @@
 #include "ior.h"
 #include "rootnv50.h"
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 mcp89_disp = {
-	.init = nv50_disp_init,
-	.fini = nv50_disp_fini,
-	.intr = nv50_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = nv50_disp_init,
+	.fini_ = nv50_disp_fini,
+	.intr_ = nv50_disp_intr,
 	.uevent = &nv50_disp_chan_uevent,
 	.super = nv50_disp_super,
 	.root = &gt215_disp_root_oclass,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv04.c
index a12097db2c2a..454199cc88fb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv04.c
@@ -24,12 +24,6 @@
 #include "priv.h"
 #include "head.h"
 
-static const struct nvkm_disp_oclass *
-nv04_disp_root(struct nvkm_disp *disp)
-{
-	return &nv04_disp_root_oclass;
-}
-
 static void
 nv04_disp_intr(struct nvkm_disp *disp)
 {
@@ -60,7 +54,7 @@ nv04_disp_intr(struct nvkm_disp *disp)
 static const struct nvkm_disp_func
 nv04_disp = {
 	.intr = nv04_disp_intr,
-	.root = nv04_disp_root,
+	.root = &nv04_disp_root_oclass,
 };
 
 int
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
index 3f20e49070ce..a4713415a2a8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
@@ -36,34 +36,28 @@
 #include <subdev/devinit.h>
 #include <subdev/timer.h>
 
-static const struct nvkm_disp_oclass *
-nv50_disp_root_(struct nvkm_disp *base)
-{
-	return nv50_disp(base)->func->root;
-}
-
-static void
+void
 nv50_disp_intr_(struct nvkm_disp *base)
 {
 	struct nv50_disp *disp = nv50_disp(base);
-	disp->func->intr(disp);
+	disp->func->intr_(disp);
 }
 
-static void
+void
 nv50_disp_fini_(struct nvkm_disp *base)
 {
 	struct nv50_disp *disp = nv50_disp(base);
-	disp->func->fini(disp);
+	disp->func->fini_(disp);
 }
 
-static int
+int
 nv50_disp_init_(struct nvkm_disp *base)
 {
 	struct nv50_disp *disp = nv50_disp(base);
-	return disp->func->init(disp);
+	return disp->func->init_(disp);
 }
 
-static void *
+void *
 nv50_disp_dtor_(struct nvkm_disp *base)
 {
 	struct nv50_disp *disp = nv50_disp(base);
@@ -78,11 +72,11 @@ nv50_disp_dtor_(struct nvkm_disp *base)
 	return disp;
 }
 
-static int
+int
 nv50_disp_oneinit_(struct nvkm_disp *base)
 {
 	struct nv50_disp *disp = nv50_disp(base);
-	const struct nv50_disp_func *func = disp->func;
+	const struct nvkm_disp_func *func = disp->func;
 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_device *device = subdev->device;
 	int ret, i;
@@ -142,18 +136,8 @@ nv50_disp_oneinit_(struct nvkm_disp *base)
 			      0x1000, 0, disp->inst, &disp->ramht);
 }
 
-static const struct nvkm_disp_func
-nv50_disp_ = {
-	.dtor = nv50_disp_dtor_,
-	.oneinit = nv50_disp_oneinit_,
-	.init = nv50_disp_init_,
-	.fini = nv50_disp_fini_,
-	.intr = nv50_disp_intr_,
-	.root = nv50_disp_root_,
-};
-
 int
-nv50_disp_new_(const struct nv50_disp_func *func, struct nvkm_device *device,
+nv50_disp_new_(const struct nvkm_disp_func *func, struct nvkm_device *device,
 	       enum nvkm_subdev_type type, int inst, struct nvkm_disp **pdisp)
 {
 	struct nv50_disp *disp;
@@ -164,7 +148,7 @@ nv50_disp_new_(const struct nv50_disp_func *func, struct nvkm_device *device,
 	disp->func = func;
 	*pdisp = &disp->base;
 
-	ret = nvkm_disp_ctor(&nv50_disp_, device, type, inst, &disp->base);
+	ret = nvkm_disp_ctor(func, device, type, inst, &disp->base);
 	if (ret)
 		return ret;
 
@@ -754,11 +738,16 @@ nv50_disp_init(struct nv50_disp *disp)
 	return 0;
 }
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 nv50_disp = {
-	.init = nv50_disp_init,
-	.fini = nv50_disp_fini,
-	.intr = nv50_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = nv50_disp_init,
+	.fini_ = nv50_disp_fini,
+	.intr_ = nv50_disp_intr,
 	.uevent = &nv50_disp_chan_uevent,
 	.super = nv50_disp_super,
 	.root = &nv50_disp_root_oclass,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h
index 025cacd7c3b0..87e934c8d88b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h
@@ -8,7 +8,7 @@ struct nvkm_head;
 #include <core/enum.h>
 
 struct nv50_disp {
-	const struct nv50_disp_func *func;
+	const struct nvkm_disp_func *func;
 	struct nvkm_disp base;
 
 	struct workqueue_struct *wq;
@@ -47,28 +47,9 @@ void nv50_disp_super_2_1(struct nv50_disp *, struct nvkm_head *);
 void nv50_disp_super_2_2(struct nv50_disp *, struct nvkm_head *);
 void nv50_disp_super_3_0(struct nv50_disp *, struct nvkm_head *);
 
-int nv50_disp_new_(const struct nv50_disp_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
+int nv50_disp_new_(const struct nvkm_disp_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
 		   struct nvkm_disp **);
 
-struct nv50_disp_func {
-	int (*init)(struct nv50_disp *);
-	void (*fini)(struct nv50_disp *);
-	void (*intr)(struct nv50_disp *);
-	void (*intr_error)(struct nv50_disp *, int chid);
-
-	const struct nvkm_event_func *uevent;
-	void (*super)(struct work_struct *);
-
-	const struct nvkm_disp_oclass *root;
-
-	struct {
-		int (*cnt)(struct nvkm_disp *, unsigned long *mask);
-		int (*new)(struct nvkm_disp *, int id);
-	} wndw, head, dac, sor, pior;
-
-	u16 ramht_size;
-};
-
 int nv50_disp_init(struct nv50_disp *);
 void nv50_disp_fini(struct nv50_disp *);
 void nv50_disp_intr(struct nv50_disp *);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/priv.h
index ec57d8b6bce9..3df687781f9a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/priv.h
@@ -3,6 +3,7 @@
 #define __NVKM_DISP_PRIV_H__
 #include <engine/disp.h>
 #include "outp.h"
+struct nv50_disp;
 
 int nvkm_disp_ctor(const struct nvkm_disp_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
 		   struct nvkm_disp *);
@@ -17,13 +18,34 @@ struct nvkm_disp_func {
 	void (*fini)(struct nvkm_disp *);
 	void (*intr)(struct nvkm_disp *);
 
-	const struct nvkm_disp_oclass *(*root)(struct nvkm_disp *);
+	const struct nvkm_disp_oclass *root;
+
+	int (*init_)(struct nv50_disp *);
+	void (*fini_)(struct nv50_disp *);
+	void (*intr_)(struct nv50_disp *);
+	void (*intr_error)(struct nv50_disp *, int chid);
+
+	const struct nvkm_event_func *uevent;
+	void (*super)(struct work_struct *);
+
+	struct {
+		int (*cnt)(struct nvkm_disp *, unsigned long *mask);
+		int (*new)(struct nvkm_disp *, int id);
+	} wndw, head, dac, sor, pior;
+
+	u16 ramht_size;
 };
 
 int  nvkm_disp_ntfy(struct nvkm_object *, u32, struct nvkm_event **);
 
 extern const struct nvkm_disp_oclass nv04_disp_root_oclass;
 
+void *nv50_disp_dtor_(struct nvkm_disp *);
+int nv50_disp_oneinit_(struct nvkm_disp *);
+int nv50_disp_init_(struct nvkm_disp *);
+void nv50_disp_fini_(struct nvkm_disp *);
+void nv50_disp_intr_(struct nvkm_disp *);
+
 struct nvkm_disp_oclass {
 	int (*ctor)(struct nvkm_disp *, const struct nvkm_oclass *,
 		    void *data, u32 size, struct nvkm_object **);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/tu102.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/tu102.c
index f5f8dc8e8f35..39f1aff1e475 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/tu102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/tu102.c
@@ -131,11 +131,16 @@ tu102_disp_init(struct nv50_disp *disp)
 	return 0;
 }
 
-static const struct nv50_disp_func
+static const struct nvkm_disp_func
 tu102_disp = {
-	.init = tu102_disp_init,
-	.fini = gv100_disp_fini,
-	.intr = gv100_disp_intr,
+	.dtor = nv50_disp_dtor_,
+	.oneinit = nv50_disp_oneinit_,
+	.init = nv50_disp_init_,
+	.fini = nv50_disp_fini_,
+	.intr = nv50_disp_intr_,
+	.init_ = tu102_disp_init,
+	.fini_ = gv100_disp_fini,
+	.intr_ = gv100_disp_intr,
 	.uevent = &gv100_disp_chan_uevent,
 	.super = gv100_disp_super,
 	.root = &tu102_disp_root_oclass,