drm/nouveau/fb: convert to new-style nvkm_subdev

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

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

@@ -51,7 +51,7 @@ u64  nvif_device_time(struct nvif_device *);
 	nv_device(_device->object.priv);                                       \
 })
 #define nvxx_bios(a) nvxx_device(a)->bios
-#define nvxx_fb(a) nvkm_fb(nvxx_device(a))
+#define nvxx_fb(a) nvxx_device(a)->fb
 #define nvxx_mmu(a) nvkm_mmu(nvxx_device(a))
 #define nvxx_bar(a) nvxx_device(a)->bar
 #define nvxx_gpio(a) nvkm_gpio(nvxx_device(a))

drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h

@@ -46,59 +46,47 @@ struct nvkm_fb_tile {
 };
 
 struct nvkm_fb {
+	const struct nvkm_fb_func *func;
 	struct nvkm_subdev subdev;
 
-	bool (*memtype_valid)(struct nvkm_fb *, u32 memtype);
-
 	struct nvkm_ram *ram;
 
 	struct {
 		struct nvkm_fb_tile region[16];
 		int regions;
-		void (*init)(struct nvkm_fb *, int i, u32 addr, u32 size,
-			     u32 pitch, u32 flags, struct nvkm_fb_tile *);
-		void (*comp)(struct nvkm_fb *, int i, u32 size, u32 flags,
-			     struct nvkm_fb_tile *);
-		void (*fini)(struct nvkm_fb *, int i, struct nvkm_fb_tile *);
-		void (*prog)(struct nvkm_fb *, int i, struct nvkm_fb_tile *);
 	} tile;
 };
 
-static inline struct nvkm_fb *
-nvkm_fb(void *obj)
-{
-	/* fbram uses this before device subdev pointer is valid */
-	if (nv_iclass(obj, NV_SUBDEV_CLASS) &&
-	    nv_subidx(obj) == NVDEV_SUBDEV_FB)
-		return obj;
-
-	return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_FB);
-}
-
-extern struct nvkm_oclass *nv04_fb_oclass;
-extern struct nvkm_oclass *nv10_fb_oclass;
-extern struct nvkm_oclass *nv1a_fb_oclass;
-extern struct nvkm_oclass *nv20_fb_oclass;
-extern struct nvkm_oclass *nv25_fb_oclass;
-extern struct nvkm_oclass *nv30_fb_oclass;
-extern struct nvkm_oclass *nv35_fb_oclass;
-extern struct nvkm_oclass *nv36_fb_oclass;
-extern struct nvkm_oclass *nv40_fb_oclass;
-extern struct nvkm_oclass *nv41_fb_oclass;
-extern struct nvkm_oclass *nv44_fb_oclass;
-extern struct nvkm_oclass *nv46_fb_oclass;
-extern struct nvkm_oclass *nv47_fb_oclass;
-extern struct nvkm_oclass *nv49_fb_oclass;
-extern struct nvkm_oclass *nv4e_fb_oclass;
-extern struct nvkm_oclass *nv50_fb_oclass;
-extern struct nvkm_oclass *g84_fb_oclass;
-extern struct nvkm_oclass *gt215_fb_oclass;
-extern struct nvkm_oclass *mcp77_fb_oclass;
-extern struct nvkm_oclass *mcp89_fb_oclass;
-extern struct nvkm_oclass *gf100_fb_oclass;
-extern struct nvkm_oclass *gk104_fb_oclass;
-extern struct nvkm_oclass *gk20a_fb_oclass;
-extern struct nvkm_oclass *gm107_fb_oclass;
+bool nvkm_fb_memtype_valid(struct nvkm_fb *, u32 memtype);
+void nvkm_fb_tile_init(struct nvkm_fb *, int region, u32 addr, u32 size,
+		       u32 pitch, u32 flags, struct nvkm_fb_tile *);
+void nvkm_fb_tile_fini(struct nvkm_fb *, int region, struct nvkm_fb_tile *);
+void nvkm_fb_tile_prog(struct nvkm_fb *, int region, struct nvkm_fb_tile *);
+
+int nv04_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv10_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv1a_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv20_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv25_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv30_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv35_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv36_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv40_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv41_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv44_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv46_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv47_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv49_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv4e_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int nv50_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int g84_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gt215_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int mcp77_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int mcp89_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gf100_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gk104_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gk20a_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gm107_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
 
 #include <subdev/bios.h>
 #include <subdev/bios/ramcfg.h>

drivers/gpu/drm/nouveau/nouveau_bo.c

@@ -50,22 +50,16 @@ nv10_bo_update_tile_region(struct drm_device *dev, struct nouveau_drm_tile *reg,
 	int i = reg - drm->tile.reg;
 	struct nvkm_fb *fb = nvxx_fb(&drm->device);
 	struct nvkm_fb_tile *tile = &fb->tile.region[i];
-	struct nvkm_engine *engine;
 
 	nouveau_fence_unref(&reg->fence);
 
 	if (tile->pitch)
-		fb->tile.fini(fb, i, tile);
+		nvkm_fb_tile_fini(fb, i, tile);
 
 	if (pitch)
-		fb->tile.init(fb, i, addr, size, pitch, flags, tile);
+		nvkm_fb_tile_init(fb, i, addr, size, pitch, flags, tile);
 
-	fb->tile.prog(fb, i, tile);
-
-	if ((engine = nvkm_engine(fb, NVDEV_ENGINE_GR)))
-		engine->tile_prog(engine, i);
-	if ((engine = nvkm_engine(fb, NVDEV_ENGINE_MPEG)))
-		engine->tile_prog(engine, i);
+	nvkm_fb_tile_prog(fb, i, tile);
 }
 
 static struct nouveau_drm_tile *

drivers/gpu/drm/nouveau/nouveau_gem.c

@@ -259,7 +259,7 @@ nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
 	struct nouveau_bo *nvbo = NULL;
 	int ret = 0;
 
-	if (!fb->memtype_valid(fb, req->info.tile_flags)) {
+	if (!nvkm_fb_memtype_valid(fb, req->info.tile_flags)) {
 		NV_PRINTK(err, cli, "bad page flags: 0x%08x\n", req->info.tile_flags);
 		return -EINVAL;
 	}

drivers/gpu/drm/nouveau/nvkm/engine/device/gf100.c

@@ -35,7 +35,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf100_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gf100_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gf100_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gf100_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -62,7 +61,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf100_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gf100_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gf100_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gf100_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -89,7 +87,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gf100_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gf100_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gf100_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -115,7 +112,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf100_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gf100_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gf100_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gf100_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -142,7 +138,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gf100_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gf100_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gf100_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -168,7 +163,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gf100_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gf100_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gf100_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -194,7 +188,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf100_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gf100_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gf100_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gf100_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -221,7 +214,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gf100_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gf100_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gf100_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -247,7 +239,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gf100_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gf100_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gf100_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;

drivers/gpu/drm/nouveau/nvkm/engine/device/gk104.c

@@ -35,7 +35,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gk104_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gk104_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gk104_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -63,7 +62,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gk104_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gk104_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gk104_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -91,7 +89,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gk104_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gk104_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gk104_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -115,7 +112,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gk20a_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &gk20a_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gk20a_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gk104_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gk20a_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] = gk20a_instmem_oclass;
@@ -137,7 +133,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gk104_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gk104_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gk104_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -165,7 +160,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gk104_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gk104_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gk104_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -193,7 +187,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gk20a_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gk104_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gk104_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gk104_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -220,7 +213,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gk20a_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gk104_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gk104_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gk104_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;

drivers/gpu/drm/nouveau/nvkm/engine/device/gm100.c

@@ -35,7 +35,6 @@ gm100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gk20a_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &gk20a_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gm107_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gm107_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gk104_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -73,7 +72,6 @@ gm100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gk20a_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &gk20a_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gm107_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gm107_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gk104_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -108,7 +106,6 @@ gm100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gk20a_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &gk20a_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gm107_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gm107_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gk104_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
@@ -137,7 +134,6 @@ gm100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &gf100_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gm107_fuse_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &gk20a_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gk20a_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_LTC    ] =  gm107_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gk20a_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] = gk20a_instmem_oclass;

drivers/gpu/drm/nouveau/nvkm/engine/device/nv04.c

@@ -31,7 +31,6 @@ nv04_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv04_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -44,7 +43,6 @@ nv04_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv04_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;

drivers/gpu/drm/nouveau/nvkm/engine/device/nv10.c

@@ -32,7 +32,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv10_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -44,7 +43,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv10_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -58,7 +56,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv10_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -72,7 +69,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv1a_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -86,7 +82,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv10_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -100,7 +95,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv10_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -114,7 +108,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv1a_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -128,7 +121,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv10_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;

drivers/gpu/drm/nouveau/nvkm/engine/device/nv20.c

@@ -32,7 +32,6 @@ nv20_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv20_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -46,7 +45,6 @@ nv20_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv25_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -60,7 +58,6 @@ nv20_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv25_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -74,7 +71,6 @@ nv20_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv25_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;

drivers/gpu/drm/nouveau/nvkm/engine/device/nv30.c

@@ -32,7 +32,6 @@ nv30_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv30_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -46,7 +45,6 @@ nv30_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv35_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -60,7 +58,6 @@ nv30_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv30_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -75,7 +72,6 @@ nv30_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv36_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;
@@ -90,7 +86,6 @@ nv30_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv10_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nv04_dmaeng_oclass;

drivers/gpu/drm/nouveau/nvkm/engine/device/nv40.c

@@ -33,7 +33,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv40_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -51,7 +50,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv41_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv41_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -69,7 +67,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv41_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv41_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -87,7 +84,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv41_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv41_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -105,7 +101,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv40_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv04_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -123,7 +118,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv47_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv41_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -141,7 +135,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv49_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv41_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -159,7 +152,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv49_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv41_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -177,7 +169,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv44_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv44_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv44_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -195,7 +186,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv4c_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv46_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv44_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -213,7 +203,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv44_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv44_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv44_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -231,7 +220,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv4c_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv46_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv44_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -249,7 +237,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv4c_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv4e_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv44_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -267,7 +254,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv4c_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv46_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv44_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -285,7 +271,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv4c_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv46_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv44_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -303,7 +288,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv4c_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv46_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv40_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv44_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;

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

@@ -35,7 +35,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv50_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  nv50_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -55,7 +54,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv50_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  g84_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -78,7 +76,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv50_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  g84_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -101,7 +98,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv50_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  g84_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -124,7 +120,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g94_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  g84_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -147,7 +142,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g94_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  g84_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -170,7 +164,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  g84_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -193,7 +186,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  g84_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -216,7 +208,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  mcp77_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -239,7 +230,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  mcp77_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
@@ -262,7 +252,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gt215_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gt215_pmu_oclass;
@@ -287,7 +276,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gt215_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gt215_pmu_oclass;
@@ -311,7 +299,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  gt215_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gt215_pmu_oclass;
@@ -335,7 +322,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
-		device->oclass[NVDEV_SUBDEV_FB     ] =  mcp89_fb_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &nv50_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gt215_pmu_oclass;

drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv50.c

@@ -569,7 +569,7 @@ nv50_gr_construct_mmio(struct nvkm_grctx *ctx)
 		else if (device->chipset < 0xa0)
 			gr_def(ctx, 0x407d08, 0x00390040);
 		else {
-			if (nvkm_fb(device)->ram->type != NVKM_RAM_TYPE_GDDR5)
+			if (device->fb->ram->type != NVKM_RAM_TYPE_GDDR5)
 				gr_def(ctx, 0x407d08, 0x003d0040);
 			else
 				gr_def(ctx, 0x407d08, 0x003c0040);

drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c

@@ -26,6 +26,38 @@
 
 #include <subdev/bios.h>
 #include <subdev/bios/M0203.h>
+#include <engine/gr.h>
+#include <engine/mpeg.h>
+
+bool
+nvkm_fb_memtype_valid(struct nvkm_fb *fb, u32 memtype)
+{
+	return fb->func->memtype_valid(fb, memtype);
+}
+
+void
+nvkm_fb_tile_fini(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile)
+{
+	fb->func->tile.fini(fb, region, tile);
+}
+
+void
+nvkm_fb_tile_init(struct nvkm_fb *fb, int region, u32 addr, u32 size,
+		  u32 pitch, u32 flags, struct nvkm_fb_tile *tile)
+{
+	fb->func->tile.init(fb, region, addr, size, pitch, flags, tile);
+}
+
+void
+nvkm_fb_tile_prog(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile)
+{
+	struct nvkm_device *device = fb->subdev.device;
+	fb->func->tile.prog(fb, region, tile);
+	if (likely(device->gr))
+		device->gr->engine.tile_prog(&device->gr->engine, region);
+	if (likely(device->mpeg))
+		device->mpeg->tile_prog(device->mpeg, region);
+}
 
 int
 nvkm_fb_bios_memtype(struct nvkm_bios *bios)
@@ -52,69 +84,87 @@ nvkm_fb_bios_memtype(struct nvkm_bios *bios)
 	return NVKM_RAM_TYPE_UNKNOWN;
 }
 
-int
-_nvkm_fb_fini(struct nvkm_object *object, bool suspend)
+static void
+nvkm_fb_intr(struct nvkm_subdev *subdev)
 {
-	struct nvkm_fb *fb = (void *)object;
-	return nvkm_subdev_fini_old(&fb->subdev, suspend);
+	struct nvkm_fb *fb = nvkm_fb(subdev);
+	if (fb->func->intr)
+		fb->func->intr(fb);
 }
 
-int
-_nvkm_fb_init(struct nvkm_object *object)
+static int
+nvkm_fb_oneinit(struct nvkm_subdev *subdev)
 {
-	struct nvkm_fb *fb = (void *)object;
+	struct nvkm_fb *fb = nvkm_fb(subdev);
+	if (fb->func->ram_new) {
+		int ret = fb->func->ram_new(fb, &fb->ram);
+		if (ret) {
+			nvkm_error(subdev, "vram setup failed, %d\n", ret);
+			return ret;
+		}
+	}
+	return 0;
+}
+
+static int
+nvkm_fb_init(struct nvkm_subdev *subdev)
+{
+	struct nvkm_fb *fb = nvkm_fb(subdev);
 	int ret, i;
 
-	ret = nvkm_subdev_init_old(&fb->subdev);
+	if (fb->ram) {
+		ret = nvkm_ram_init(fb->ram);
 		if (ret)
 			return ret;
-
-	if (fb->ram)
-		nvkm_ram_init(fb->ram);
+	}
 
 	for (i = 0; i < fb->tile.regions; i++)
-		fb->tile.prog(fb, i, &fb->tile.region[i]);
+		fb->func->tile.prog(fb, i, &fb->tile.region[i]);
 
+	if (fb->func->init)
+		fb->func->init(fb);
 	return 0;
 }
 
-void
-_nvkm_fb_dtor(struct nvkm_object *object)
+static void *
+nvkm_fb_dtor(struct nvkm_subdev *subdev)
 {
-	struct nvkm_fb *fb = (void *)object;
+	struct nvkm_fb *fb = nvkm_fb(subdev);
 	int i;
 
 	for (i = 0; i < fb->tile.regions; i++)
-		fb->tile.fini(fb, i, &fb->tile.region[i]);
+		fb->func->tile.fini(fb, i, &fb->tile.region[i]);
 
 	nvkm_ram_del(&fb->ram);
-	nvkm_subdev_destroy(&fb->subdev);
-}
-
-int
-nvkm_fb_create_(struct nvkm_object *parent, struct nvkm_object *engine,
-		struct nvkm_oclass *oclass, int length, void **pobject)
-{
-	struct nvkm_fb_impl *impl = (void *)oclass;
-	struct nvkm_fb *fb;
-	int ret;
-
-	ret = nvkm_subdev_create_(parent, engine, oclass, 0, "PFB", "fb",
-				  length, pobject);
-	fb = *pobject;
-	if (ret)
-		return ret;
 
-	fb->memtype_valid = impl->memtype;
+	if (fb->func->dtor)
+		return fb->func->dtor(fb);
+	return fb;
+}
 
-	if (!impl->ram_new)
-		return 0;
+static const struct nvkm_subdev_func
+nvkm_fb = {
+	.dtor = nvkm_fb_dtor,
+	.oneinit = nvkm_fb_oneinit,
+	.init = nvkm_fb_init,
+	.intr = nvkm_fb_intr,
+};
 
-	ret = impl->ram_new(fb, &fb->ram);
-	if (ret) {
-		nvkm_error(&fb->subdev, "vram init failed, %d\n", ret);
-		return ret;
-	}
+void
+nvkm_fb_ctor(const struct nvkm_fb_func *func, struct nvkm_device *device,
+	     int index, struct nvkm_fb *fb)
+{
+	nvkm_subdev_ctor(&nvkm_fb, device, index, 0, &fb->subdev);
+	fb->func = func;
+	fb->tile.regions = fb->func->tile.regions;
+}
 
+int
+nvkm_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device,
+	     int index, struct nvkm_fb **pfb)
+{
+	if (!(*pfb = kzalloc(sizeof(**pfb), GFP_KERNEL)))
+		return -ENOMEM;
+	nvkm_fb_ctor(func, device, index, *pfb);
 	return 0;
 }

drivers/gpu/drm/nouveau/nvkm/subdev/fb/g84.c

@@ -24,16 +24,14 @@
 #include "nv50.h"
 #include "ram.h"
 
-struct nvkm_oclass *
-g84_fb_oclass = &(struct nv50_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x84),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv50_fb_ctor,
-		.dtor = nv50_fb_dtor,
-		.init = nv50_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv50_fb_memtype_valid,
-	.base.ram_new = nv50_ram_new,
+static const struct nv50_fb_func
+g84_fb = {
+	.ram_new = nv50_ram_new,
 	.trap = 0x001d07ff,
-}.base.base;
+};
+
+int
+g84_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nv50_fb_new_(&g84_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/gf100.c

@@ -33,9 +33,11 @@ gf100_fb_memtype_valid(struct nvkm_fb *fb, u32 tile_flags)
 	return likely((gf100_pte_storage_type_map[memtype] != 0xff));
 }
 
-static void
-gf100_fb_intr(struct nvkm_subdev *subdev)
+void
+gf100_fb_intr(struct nvkm_fb *base)
 {
+	struct gf100_fb *fb = gf100_fb(base);
+	struct nvkm_subdev *subdev = &fb->base.subdev;
 	struct nvkm_device *device = subdev->device;
 	u32 intr = nvkm_rd32(device, 0x000100);
 	if (intr & 0x08000000)
@@ -44,29 +46,23 @@ gf100_fb_intr(struct nvkm_subdev *subdev)
 		nvkm_debug(subdev, "PBFB intr\n");
 }
 
-int
-gf100_fb_init(struct nvkm_object *object)
+void
+gf100_fb_init(struct nvkm_fb *base)
 {
-	struct gf100_fb *fb = (void *)object;
+	struct gf100_fb *fb = gf100_fb(base);
 	struct nvkm_device *device = fb->base.subdev.device;
-	int ret;
-
-	ret = nvkm_fb_init(&fb->base);
-	if (ret)
-		return ret;
 
 	if (fb->r100c10_page)
 		nvkm_wr32(device, 0x100c10, fb->r100c10 >> 8);
 
 	nvkm_mask(device, 0x100c80, 0x00000001, 0x00000000); /* 128KiB lpg */
-	return 0;
 }
 
-void
-gf100_fb_dtor(struct nvkm_object *object)
+void *
+gf100_fb_dtor(struct nvkm_fb *base)
 {
-	struct nvkm_device *device = nv_device(object);
-	struct gf100_fb *fb = (void *)object;
+	struct gf100_fb *fb = gf100_fb(base);
+	struct nvkm_device *device = fb->base.subdev.device;
 
 	if (fb->r100c10_page) {
 		dma_unmap_page(nv_device_base(device), fb->r100c10, PAGE_SIZE,
@@ -74,22 +70,19 @@ gf100_fb_dtor(struct nvkm_object *object)
 		__free_page(fb->r100c10_page);
 	}
 
-	nvkm_fb_destroy(&fb->base);
+	return fb;
 }
 
 int
-gf100_fb_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	      struct nvkm_oclass *oclass, void *data, u32 size,
-	      struct nvkm_object **pobject)
+gf100_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device,
+	      int index, struct nvkm_fb **pfb)
 {
-	struct nvkm_device *device = nv_device(parent);
 	struct gf100_fb *fb;
-	int ret;
 
-	ret = nvkm_fb_create(parent, engine, oclass, &fb);
-	*pobject = nv_object(fb);
-	if (ret)
-		return ret;
+	if (!(fb = kzalloc(sizeof(*fb), GFP_KERNEL)))
+		return -ENOMEM;
+	nvkm_fb_ctor(func, device, index, &fb->base);
+	*pfb = &fb->base;
 
 	fb->r100c10_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
 	if (fb->r100c10_page) {
@@ -100,19 +93,20 @@ gf100_fb_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 			return -EFAULT;
 	}
 
-	nv_subdev(fb)->intr = gf100_fb_intr;
 	return 0;
 }
 
-struct nvkm_oclass *
-gf100_fb_oclass = &(struct nvkm_fb_impl) {
-	.base.handle = NV_SUBDEV(FB, 0xc0),
-	.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gf100_fb_ctor,
+static const struct nvkm_fb_func
+gf100_fb = {
 	.dtor = gf100_fb_dtor,
 	.init = gf100_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.memtype = gf100_fb_memtype_valid,
+	.intr = gf100_fb_intr,
 	.ram_new = gf100_ram_new,
-}.base;
+	.memtype_valid = gf100_fb_memtype_valid,
+};
+
+int
+gf100_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return gf100_fb_new_(&gf100_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/gf100.h

 #ifndef __NVKM_RAM_NVC0_H__
 #define __NVKM_RAM_NVC0_H__
+#define gf100_fb(p) container_of((p), struct gf100_fb, base)
 #include "priv.h"
 
 struct gf100_fb {
@@ -8,10 +9,9 @@ struct gf100_fb {
 	dma_addr_t r100c10;
 };
 
-int  gf100_fb_ctor(struct nvkm_object *, struct nvkm_object *,
-		  struct nvkm_oclass *, void *, u32,
-		  struct nvkm_object **);
-void gf100_fb_dtor(struct nvkm_object *);
-int  gf100_fb_init(struct nvkm_object *);
-bool gf100_fb_memtype_valid(struct nvkm_fb *, u32);
+int gf100_fb_new_(const struct nvkm_fb_func *, struct nvkm_device *,
+		  int index, struct nvkm_fb **);
+void *gf100_fb_dtor(struct nvkm_fb *);
+void gf100_fb_init(struct nvkm_fb *);
+void gf100_fb_intr(struct nvkm_fb *);
 #endif

drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk104.c

@@ -24,15 +24,17 @@
 #include "gf100.h"
 #include "ram.h"
 
-struct nvkm_oclass *
-gk104_fb_oclass = &(struct nvkm_fb_impl) {
-	.base.handle = NV_SUBDEV(FB, 0xe0),
-	.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gf100_fb_ctor,
+static const struct nvkm_fb_func
+gk104_fb = {
 	.dtor = gf100_fb_dtor,
 	.init = gf100_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.memtype = gf100_fb_memtype_valid,
+	.intr = gf100_fb_intr,
 	.ram_new = gk104_ram_new,
-}.base;
+	.memtype_valid = gf100_fb_memtype_valid,
+};
+
+int
+gk104_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return gf100_fb_new_(&gk104_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/gk20a.c

@@ -19,47 +19,23 @@
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  */
-#include "gf100.h"
+#include "priv.h"
 
-static int
-gk20a_fb_init(struct nvkm_object *object)
+static void
+gk20a_fb_init(struct nvkm_fb *fb)
 {
-	struct nvkm_fb *fb = (void *)object;
 	struct nvkm_device *device = fb->subdev.device;
-	int ret;
-
-	ret = nvkm_fb_init(fb);
-	if (ret)
-		return ret;
-
 	nvkm_mask(device, 0x100c80, 0x00000001, 0x00000000); /* 128KiB lpg */
-	return 0;
 }
 
-static int
-gk20a_fb_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	      struct nvkm_oclass *oclass, void *data, u32 size,
-	      struct nvkm_object **pobject)
-{
-	struct nvkm_fb *fb;
-	int ret;
-
-	ret = nvkm_fb_create(parent, engine, oclass, &fb);
-	*pobject = nv_object(fb);
-	if (ret)
-		return ret;
+static const struct nvkm_fb_func
+gk20a_fb = {
+	.init = gk20a_fb_init,
+	.memtype_valid = gf100_fb_memtype_valid,
+};
 
-	return 0;
+int
+gk20a_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&gk20a_fb, device, index, pfb);
 }
-
-struct nvkm_oclass *
-gk20a_fb_oclass = &(struct nvkm_fb_impl) {
-	.base.handle = NV_SUBDEV(FB, 0xea),
-	.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gk20a_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
-		.init = gk20a_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.memtype = gf100_fb_memtype_valid,
-}.base;

drivers/gpu/drm/nouveau/nvkm/subdev/fb/gm107.c

@@ -24,15 +24,17 @@
 #include "gf100.h"
 #include "ram.h"
 
-struct nvkm_oclass *
-gm107_fb_oclass = &(struct nvkm_fb_impl) {
-	.base.handle = NV_SUBDEV(FB, 0x07),
-	.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gf100_fb_ctor,
+static const struct nvkm_fb_func
+gm107_fb = {
 	.dtor = gf100_fb_dtor,
 	.init = gf100_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.memtype = gf100_fb_memtype_valid,
+	.intr = gf100_fb_intr,
 	.ram_new = gm107_ram_new,
-}.base;
+	.memtype_valid = gf100_fb_memtype_valid,
+};
+
+int
+gm107_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return gf100_fb_new_(&gm107_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/gt215.c

@@ -24,16 +24,14 @@
 #include "nv50.h"
 #include "ram.h"
 
-struct nvkm_oclass *
-gt215_fb_oclass = &(struct nv50_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0xa3),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv50_fb_ctor,
-		.dtor = nv50_fb_dtor,
-		.init = nv50_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv50_fb_memtype_valid,
-	.base.ram_new = gt215_ram_new,
+static const struct nv50_fb_func
+gt215_fb = {
+	.ram_new = gt215_ram_new,
 	.trap = 0x000d0fff,
-}.base.base;
+};
+
+int
+gt215_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nv50_fb_new_(&gt215_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/mcp77.c

@@ -24,16 +24,14 @@
 #include "nv50.h"
 #include "ram.h"
 
-struct nvkm_oclass *
-mcp77_fb_oclass = &(struct nv50_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0xaa),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv50_fb_ctor,
-		.dtor = nv50_fb_dtor,
-		.init = nv50_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv50_fb_memtype_valid,
-	.base.ram_new = mcp77_ram_new,
+static const struct nv50_fb_func
+mcp77_fb = {
+	.ram_new = mcp77_ram_new,
 	.trap = 0x001d07ff,
-}.base.base;
+};
+
+int
+mcp77_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nv50_fb_new_(&mcp77_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/mcp89.c

@@ -24,16 +24,14 @@
 #include "nv50.h"
 #include "ram.h"
 
-struct nvkm_oclass *
-mcp89_fb_oclass = &(struct nv50_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0xaf),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv50_fb_ctor,
-		.dtor = nv50_fb_dtor,
-		.init = nv50_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv50_fb_memtype_valid,
-	.base.ram_new = mcp77_ram_new,
+static const struct nv50_fb_func
+mcp89_fb = {
+	.ram_new = mcp77_ram_new,
 	.trap = 0x089d1fff,
-}.base.base;
+};
+
+int
+mcp89_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nv50_fb_new_(&mcp89_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv04.c

@@ -21,7 +21,7 @@
  *
  * Authors: Ben Skeggs
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 #include "regsnv04.h"
 
@@ -30,60 +30,30 @@ nv04_fb_memtype_valid(struct nvkm_fb *fb, u32 tile_flags)
 {
 	if (!(tile_flags & 0xff00))
 		return true;
-
 	return false;
 }
 
-static int
-nv04_fb_init(struct nvkm_object *object)
+static void
+nv04_fb_init(struct nvkm_fb *fb)
 {
-	struct nvkm_fb *fb = (void *)object;
 	struct nvkm_device *device = fb->subdev.device;
-	int ret;
-
-	ret = nvkm_fb_init(fb);
-	if (ret)
-		return ret;
 
 	/* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows
 	 * nvidia reading PFB_CFG_0, then writing back its original value.
 	 * (which was 0x701114 in this case)
 	 */
 	nvkm_wr32(device, NV04_PFB_CFG0, 0x1114);
-	return 0;
 }
 
+static const struct nvkm_fb_func
+nv04_fb = {
+	.init = nv04_fb_init,
+	.ram_new = nv04_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
 int
-nv04_fb_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	     struct nvkm_oclass *oclass, void *data, u32 size,
-	     struct nvkm_object **pobject)
+nv04_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
 {
-	struct nv04_fb_impl *impl = (void *)oclass;
-	struct nvkm_fb *fb;
-	int ret;
-
-	ret = nvkm_fb_create(parent, engine, oclass, &fb);
-	*pobject = nv_object(fb);
-	if (ret)
-		return ret;
-
-	fb->tile.regions = impl->tile.regions;
-	fb->tile.init = impl->tile.init;
-	fb->tile.comp = impl->tile.comp;
-	fb->tile.fini = impl->tile.fini;
-	fb->tile.prog = impl->tile.prog;
-	return 0;
+	return nvkm_fb_new_(&nv04_fb, device, index, pfb);
 }
-
-struct nvkm_oclass *
-nv04_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x04),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
-		.init = nv04_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv04_ram_new,
-}.base.base;

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv04.h

-#ifndef __NVKM_FB_NV04_H__
-#define __NVKM_FB_NV04_H__
-#include "priv.h"
-
-int  nv04_fb_ctor(struct nvkm_object *, struct nvkm_object *,
-		  struct nvkm_oclass *, void *, u32,
-		  struct nvkm_object **);
-
-struct nv04_fb_impl {
-	struct nvkm_fb_impl base;
-	struct {
-		int regions;
-		void (*init)(struct nvkm_fb *, int i, u32 addr, u32 size,
-			     u32 pitch, u32 flags, struct nvkm_fb_tile *);
-		void (*comp)(struct nvkm_fb *, int i, u32 size, u32 flags,
-			     struct nvkm_fb_tile *);
-		void (*fini)(struct nvkm_fb *, int i,
-			     struct nvkm_fb_tile *);
-		void (*prog)(struct nvkm_fb *, int i,
-			     struct nvkm_fb_tile *);
-	} tile;
-};
-
-void nv10_fb_tile_init(struct nvkm_fb *, int i, u32 addr, u32 size,
-		       u32 pitch, u32 flags, struct nvkm_fb_tile *);
-void nv10_fb_tile_fini(struct nvkm_fb *, int i, struct nvkm_fb_tile *);
-void nv10_fb_tile_prog(struct nvkm_fb *, int, struct nvkm_fb_tile *);
-
-void nv20_fb_tile_init(struct nvkm_fb *, int i, u32 addr, u32 size,
-		       u32 pitch, u32 flags, struct nvkm_fb_tile *);
-void nv20_fb_tile_fini(struct nvkm_fb *, int i, struct nvkm_fb_tile *);
-void nv20_fb_tile_prog(struct nvkm_fb *, int, struct nvkm_fb_tile *);
-
-int  nv30_fb_init(struct nvkm_object *);
-void nv30_fb_tile_init(struct nvkm_fb *, int i, u32 addr, u32 size,
-		       u32 pitch, u32 flags, struct nvkm_fb_tile *);
-
-void nv40_fb_tile_comp(struct nvkm_fb *, int i, u32 size, u32 flags,
-		       struct nvkm_fb_tile *);
-
-int  nv41_fb_init(struct nvkm_object *);
-void nv41_fb_tile_prog(struct nvkm_fb *, int, struct nvkm_fb_tile *);
-
-int  nv44_fb_init(struct nvkm_object *);
-void nv44_fb_tile_prog(struct nvkm_fb *, int, struct nvkm_fb_tile *);
-
-void nv46_fb_tile_init(struct nvkm_fb *, int i, u32 addr, u32 size,
-		       u32 pitch, u32 flags, struct nvkm_fb_tile *);
-#endif

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv10.c

@@ -23,7 +23,7 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
 void
@@ -54,19 +54,18 @@ nv10_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
 	nvkm_rd32(device, 0x100240 + (i * 0x10));
 }
 
-struct nvkm_oclass *
-nv10_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x10),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
-		.init = _nvkm_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv10_ram_new,
+static const struct nvkm_fb_func
+nv10_fb = {
 	.tile.regions = 8,
 	.tile.init = nv10_fb_tile_init,
 	.tile.fini = nv10_fb_tile_fini,
 	.tile.prog = nv10_fb_tile_prog,
-}.base.base;
+	.ram_new = nv10_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv10_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv10_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv1a.c

@@ -23,22 +23,21 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
-struct nvkm_oclass *
-nv1a_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x1a),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
-		.init = _nvkm_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv1a_ram_new,
+static const struct nvkm_fb_func
+nv1a_fb = {
 	.tile.regions = 8,
 	.tile.init = nv10_fb_tile_init,
 	.tile.fini = nv10_fb_tile_fini,
 	.tile.prog = nv10_fb_tile_prog,
-}.base.base;
+	.ram_new = nv1a_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv1a_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv1a_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv20.c

@@ -23,7 +23,7 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
 void
@@ -34,7 +34,7 @@ nv20_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
 	tile->limit = max(1u, addr + size) - 1;
 	tile->pitch = pitch;
 	if (flags & 4) {
-		fb->tile.comp(fb, i, size, flags, tile);
+		fb->func->tile.comp(fb, i, size, flags, tile);
 		tile->addr |= 2;
 	}
 }
@@ -77,20 +77,19 @@ nv20_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
 	nvkm_wr32(device, 0x100300 + (i * 0x04), tile->zcomp);
 }
 
-struct nvkm_oclass *
-nv20_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x20),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
-		.init = _nvkm_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv20_ram_new,
+static const struct nvkm_fb_func
+nv20_fb = {
 	.tile.regions = 8,
 	.tile.init = nv20_fb_tile_init,
 	.tile.comp = nv20_fb_tile_comp,
 	.tile.fini = nv20_fb_tile_fini,
 	.tile.prog = nv20_fb_tile_prog,
-}.base.base;
+	.ram_new = nv20_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv20_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv20_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv25.c

@@ -23,7 +23,7 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
 static void
@@ -42,20 +42,19 @@ nv25_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 	}
 }
 
-struct nvkm_oclass *
-nv25_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x25),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
-		.init = _nvkm_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv20_ram_new,
+static const struct nvkm_fb_func
+nv25_fb = {
 	.tile.regions = 8,
 	.tile.init = nv20_fb_tile_init,
 	.tile.comp = nv25_fb_tile_comp,
 	.tile.fini = nv20_fb_tile_fini,
 	.tile.prog = nv20_fb_tile_prog,
-}.base.base;
+	.ram_new = nv20_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv25_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv25_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv30.c

@@ -23,7 +23,7 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
 void
@@ -34,8 +34,8 @@ nv30_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
 	if (!(flags & 4)) {
 		tile->addr = (0 << 4);
 	} else {
-		if (fb->tile.comp) /* z compression */
-			fb->tile.comp(fb, i, size, flags, tile);
+		if (fb->func->tile.comp) /* z compression */
+			fb->func->tile.comp(fb, i, size, flags, tile);
 		tile->addr = (1 << 4);
 	}
 
@@ -65,7 +65,7 @@ nv30_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 static int
 calc_bias(struct nvkm_fb *fb, int k, int i, int j)
 {
-	struct nvkm_device *device = nv_device(fb);
+	struct nvkm_device *device = fb->subdev.device;
 	int b = (device->chipset > 0x30 ?
 		 nvkm_rd32(device, 0x122c + 0x10 * k + 0x4 * j) >>
 			(4 * (i ^ 1)) :
@@ -88,16 +88,11 @@ calc_ref(struct nvkm_fb *fb, int l, int k, int i)
 	return x;
 }
 
-int
-nv30_fb_init(struct nvkm_object *object)
+void
+nv30_fb_init(struct nvkm_fb *fb)
 {
-	struct nvkm_device *device = nv_device(object);
-	struct nvkm_fb *fb = (void *)object;
-	int ret, i, j;
-
-	ret = nvkm_fb_init(fb);
-	if (ret)
-		return ret;
+	struct nvkm_device *device = fb->subdev.device;
+	int i, j;
 
 	/* Init the memory timing regs at 0x10037c/0x1003ac */
 	if (device->chipset == 0x30 ||
@@ -117,24 +112,22 @@ nv30_fb_init(struct nvkm_object *object)
 					  calc_ref(fb, l, 1, j));
 		}
 	}
-
-	return 0;
 }
 
-struct nvkm_oclass *
-nv30_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x30),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
+static const struct nvkm_fb_func
+nv30_fb = {
 	.init = nv30_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv20_ram_new,
 	.tile.regions = 8,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv30_fb_tile_comp,
 	.tile.fini = nv20_fb_tile_fini,
 	.tile.prog = nv20_fb_tile_prog,
-}.base.base;
+	.ram_new = nv20_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv30_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv30_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv35.c

@@ -23,7 +23,7 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
 static void
@@ -43,20 +43,20 @@ nv35_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 	}
 }
 
-struct nvkm_oclass *
-nv35_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x35),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
+static const struct nvkm_fb_func
+nv35_fb = {
 	.init = nv30_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv20_ram_new,
 	.tile.regions = 8,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv35_fb_tile_comp,
 	.tile.fini = nv20_fb_tile_fini,
 	.tile.prog = nv20_fb_tile_prog,
-}.base.base;
+	.ram_new = nv20_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv35_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv35_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv36.c

@@ -23,7 +23,7 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
 static void
@@ -43,20 +43,20 @@ nv36_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 	}
 }
 
-struct nvkm_oclass *
-nv36_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x36),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
+static const struct nvkm_fb_func
+nv36_fb = {
 	.init = nv30_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv20_ram_new,
 	.tile.regions = 8,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv36_fb_tile_comp,
 	.tile.fini = nv20_fb_tile_fini,
 	.tile.prog = nv20_fb_tile_prog,
-}.base.base;
+	.ram_new = nv20_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv36_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv36_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv40.c

@@ -23,7 +23,7 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
 void
@@ -43,35 +43,26 @@ nv40_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 	}
 }
 
-static int
-nv40_fb_init(struct nvkm_object *object)
+static void
+nv40_fb_init(struct nvkm_fb *fb)
 {
-	struct nvkm_fb *fb = (void *)object;
-	struct nvkm_device *device = fb->subdev.device;
-	int ret;
-
-	ret = nvkm_fb_init(fb);
-	if (ret)
-		return ret;
-
-	nvkm_mask(device, 0x10033c, 0x00008000, 0x00000000);
-	return 0;
+	nvkm_mask(fb->subdev.device, 0x10033c, 0x00008000, 0x00000000);
 }
 
-struct nvkm_oclass *
-nv40_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x40),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
+static const struct nvkm_fb_func
+nv40_fb = {
 	.init = nv40_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv40_ram_new,
 	.tile.regions = 8,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv40_fb_tile_comp,
 	.tile.fini = nv20_fb_tile_fini,
 	.tile.prog = nv20_fb_tile_prog,
-}.base.base;
+	.ram_new = nv40_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv40_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv40_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv41.c

@@ -23,7 +23,7 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
 void
@@ -37,35 +37,26 @@ nv41_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
 	nvkm_wr32(device, 0x100700 + (i * 0x04), tile->zcomp);
 }
 
-int
-nv41_fb_init(struct nvkm_object *object)
+void
+nv41_fb_init(struct nvkm_fb *fb)
 {
-	struct nvkm_fb *fb = (void *)object;
-	struct nvkm_device *device = fb->subdev.device;
-	int ret;
-
-	ret = nvkm_fb_init(fb);
-	if (ret)
-		return ret;
-
-	nvkm_wr32(device, 0x100800, 0x00000001);
-	return 0;
+	nvkm_wr32(fb->subdev.device, 0x100800, 0x00000001);
 }
 
-struct nvkm_oclass *
-nv41_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x41),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
+static const struct nvkm_fb_func
+nv41_fb = {
 	.init = nv41_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv41_ram_new,
 	.tile.regions = 12,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv40_fb_tile_comp,
 	.tile.fini = nv20_fb_tile_fini,
 	.tile.prog = nv41_fb_tile_prog,
-}.base.base;
+	.ram_new = nv41_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv41_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv41_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv44.c

@@ -23,7 +23,7 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
 static void
@@ -46,35 +46,27 @@ nv44_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
 	nvkm_rd32(device, 0x100600 + (i * 0x10));
 }
 
-int
-nv44_fb_init(struct nvkm_object *object)
+void
+nv44_fb_init(struct nvkm_fb *fb)
 {
-	struct nvkm_fb *fb = (void *)object;
 	struct nvkm_device *device = fb->subdev.device;
-	int ret;
-
-	ret = nvkm_fb_init(fb);
-	if (ret)
-		return ret;
-
 	nvkm_wr32(device, 0x100850, 0x80000000);
 	nvkm_wr32(device, 0x100800, 0x00000001);
-	return 0;
 }
 
-struct nvkm_oclass *
-nv44_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x44),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
+static const struct nvkm_fb_func
+nv44_fb = {
 	.init = nv44_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv44_ram_new,
 	.tile.regions = 12,
 	.tile.init = nv44_fb_tile_init,
 	.tile.fini = nv20_fb_tile_fini,
 	.tile.prog = nv44_fb_tile_prog,
-}.base.base;
+	.ram_new = nv44_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv44_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv44_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv46.c

@@ -23,7 +23,7 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
 void
@@ -40,19 +40,19 @@ nv46_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
 	tile->pitch = pitch;
 }
 
-struct nvkm_oclass *
-nv46_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x46),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
+static const struct nvkm_fb_func
+nv46_fb = {
 	.init = nv44_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv44_ram_new,
 	.tile.regions = 15,
 	.tile.init = nv46_fb_tile_init,
 	.tile.fini = nv20_fb_tile_fini,
 	.tile.prog = nv44_fb_tile_prog,
-}.base.base;
+	.ram_new = nv44_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv46_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv46_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv47.c

@@ -23,23 +23,23 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
-struct nvkm_oclass *
-nv47_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x47),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
+static const struct nvkm_fb_func
+nv47_fb = {
 	.init = nv41_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv41_ram_new,
 	.tile.regions = 15,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv40_fb_tile_comp,
 	.tile.fini = nv20_fb_tile_fini,
 	.tile.prog = nv41_fb_tile_prog,
-}.base.base;
+	.ram_new = nv41_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv47_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv47_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv49.c

@@ -23,23 +23,23 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
-struct nvkm_oclass *
-nv49_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x49),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
+static const struct nvkm_fb_func
+nv49_fb = {
 	.init = nv41_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv49_ram_new,
 	.tile.regions = 15,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv40_fb_tile_comp,
 	.tile.fini = nv20_fb_tile_fini,
 	.tile.prog = nv41_fb_tile_prog,
-}.base.base;
+	.ram_new = nv49_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv49_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv49_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv4e.c

@@ -23,22 +23,22 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  */
-#include "nv04.h"
+#include "priv.h"
 #include "ram.h"
 
-struct nvkm_oclass *
-nv4e_fb_oclass = &(struct nv04_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x4e),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_fb_ctor,
-		.dtor = _nvkm_fb_dtor,
+static const struct nvkm_fb_func
+nv4e_fb = {
 	.init = nv44_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram_new = nv4e_ram_new,
 	.tile.regions = 12,
 	.tile.init = nv46_fb_tile_init,
 	.tile.fini = nv20_fb_tile_fini,
 	.tile.prog = nv44_fb_tile_prog,
-}.base.base;
+	.ram_new = nv44_ram_new,
+	.memtype_valid = nv04_fb_memtype_valid,
+};
+
+int
+nv4e_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv4e_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.c

@@ -40,7 +40,14 @@ nv50_fb_memtype[0x80] = {
 	1, 0, 2, 0, 1, 0, 2, 0, 1, 1, 2, 2, 1, 1, 0, 0
 };
 
-bool
+static int
+nv50_fb_ram_new(struct nvkm_fb *base, struct nvkm_ram **pram)
+{
+	struct nv50_fb *fb = nv50_fb(base);
+	return fb->func->ram_new(&fb->base, pram);
+}
+
+static bool
 nv50_fb_memtype_valid(struct nvkm_fb *fb, u32 memtype)
 {
 	return nv50_fb_memtype[(memtype & 0xff00) >> 8] != 0;
@@ -143,10 +150,11 @@ static const struct nvkm_enum vm_fault[] = {
 };
 
 static void
-nv50_fb_intr(struct nvkm_subdev *subdev)
+nv50_fb_intr(struct nvkm_fb *base)
 {
-	struct nv50_fb *fb = (void *)subdev;
-	struct nvkm_device *device = fb->base.subdev.device;
+	struct nv50_fb *fb = nv50_fb(base);
+	struct nvkm_subdev *subdev = &fb->base.subdev;
+	struct nvkm_device *device = subdev->device;
 	struct nvkm_fifo *fifo = device->fifo;
 	struct nvkm_fifo_chan *chan;
 	const struct nvkm_enum *en, *re, *cl, *sc;
@@ -202,40 +210,28 @@ nv50_fb_intr(struct nvkm_subdev *subdev)
 	nvkm_fifo_chan_put(fifo, flags, &chan);
 }
 
-int
-nv50_fb_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	     struct nvkm_oclass *oclass, void *data, u32 size,
-	     struct nvkm_object **pobject)
+static void
+nv50_fb_init(struct nvkm_fb *base)
 {
-	struct nvkm_device *device = nv_device(parent);
-	struct nv50_fb *fb;
-	int ret;
-
-	ret = nvkm_fb_create(parent, engine, oclass, &fb);
-	*pobject = nv_object(fb);
-	if (ret)
-		return ret;
+	struct nv50_fb *fb = nv50_fb(base);
+	struct nvkm_device *device = fb->base.subdev.device;
 
-	fb->r100c08_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
-	if (fb->r100c08_page) {
-		fb->r100c08 = dma_map_page(nv_device_base(device),
-					     fb->r100c08_page, 0, PAGE_SIZE,
-					     DMA_BIDIRECTIONAL);
-		if (dma_mapping_error(nv_device_base(device), fb->r100c08))
-			return -EFAULT;
-	} else {
-		nvkm_warn(&fb->base.subdev, "failed 100c08 page alloc\n");
-	}
+	/* Not a clue what this is exactly.  Without pointing it at a
+	 * scratch page, VRAM->GART blits with M2MF (as in DDX DFS)
+	 * cause IOMMU "read from address 0" errors (rh#561267)
+	 */
+	nvkm_wr32(device, 0x100c08, fb->r100c08 >> 8);
 
-	nv_subdev(fb)->intr = nv50_fb_intr;
-	return 0;
+	/* This is needed to get meaningful information from 100c90
+	 * on traps. No idea what these values mean exactly. */
+	nvkm_wr32(device, 0x100c90, fb->func->trap);
 }
 
-void
-nv50_fb_dtor(struct nvkm_object *object)
+static void *
+nv50_fb_dtor(struct nvkm_fb *base)
 {
-	struct nvkm_device *device = nv_device(object);
-	struct nv50_fb *fb = (void *)object;
+	struct nv50_fb *fb = nv50_fb(base);
+	struct nvkm_device *device = fb->base.subdev.device;
 
 	if (fb->r100c08_page) {
 		dma_unmap_page(nv_device_base(device), fb->r100c08, PAGE_SIZE,
@@ -243,43 +239,52 @@ nv50_fb_dtor(struct nvkm_object *object)
 		__free_page(fb->r100c08_page);
 	}
 
-	nvkm_fb_destroy(&fb->base);
+	return fb;
 }
 
+static const struct nvkm_fb_func
+nv50_fb_ = {
+	.dtor = nv50_fb_dtor,
+	.init = nv50_fb_init,
+	.intr = nv50_fb_intr,
+	.ram_new = nv50_fb_ram_new,
+	.memtype_valid = nv50_fb_memtype_valid,
+};
+
 int
-nv50_fb_init(struct nvkm_object *object)
+nv50_fb_new_(const struct nv50_fb_func *func, struct nvkm_device *device,
+	     int index, struct nvkm_fb **pfb)
 {
-	struct nv50_fb_impl *impl = (void *)object->oclass;
-	struct nv50_fb *fb = (void *)object;
-	struct nvkm_device *device = fb->base.subdev.device;
-	int ret;
+	struct nv50_fb *fb;
 
-	ret = nvkm_fb_init(&fb->base);
-	if (ret)
-		return ret;
+	if (!(fb = kzalloc(sizeof(*fb), GFP_KERNEL)))
+		return -ENOMEM;
+	nvkm_fb_ctor(&nv50_fb_, device, index, &fb->base);
+	fb->func = func;
+	*pfb = &fb->base;
 
-	/* Not a clue what this is exactly.  Without pointing it at a
-	 * scratch page, VRAM->GART blits with M2MF (as in DDX DFS)
-	 * cause IOMMU "read from address 0" errors (rh#561267)
-	 */
-	nvkm_wr32(device, 0x100c08, fb->r100c08 >> 8);
+	fb->r100c08_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
+	if (fb->r100c08_page) {
+		fb->r100c08 = dma_map_page(nv_device_base(device),
+					     fb->r100c08_page, 0, PAGE_SIZE,
+					     DMA_BIDIRECTIONAL);
+		if (dma_mapping_error(nv_device_base(device), fb->r100c08))
+			return -EFAULT;
+	} else {
+		nvkm_warn(&fb->base.subdev, "failed 100c08 page alloc\n");
+	}
 
-	/* This is needed to get meaningful information from 100c90
-	 * on traps. No idea what these values mean exactly. */
-	nvkm_wr32(device, 0x100c90, impl->trap);
 	return 0;
 }
 
-struct nvkm_oclass *
-nv50_fb_oclass = &(struct nv50_fb_impl) {
-	.base.base.handle = NV_SUBDEV(FB, 0x50),
-	.base.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv50_fb_ctor,
-		.dtor = nv50_fb_dtor,
-		.init = nv50_fb_init,
-		.fini = _nvkm_fb_fini,
-	},
-	.base.memtype = nv50_fb_memtype_valid,
-	.base.ram_new = nv50_ram_new,
+static const struct nv50_fb_func
+nv50_fb = {
+	.ram_new = nv50_ram_new,
 	.trap = 0x000707ff,
-}.base.base;
+};
+
+int
+nv50_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nv50_fb_new_(&nv50_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.h

 #ifndef __NVKM_FB_NV50_H__
 #define __NVKM_FB_NV50_H__
+#define nv50_fb(p) container_of((p), struct nv50_fb, base)
 #include "priv.h"
 
 struct nv50_fb {
+	const struct nv50_fb_func *func;
 	struct nvkm_fb base;
 	struct page *r100c08_page;
 	dma_addr_t r100c08;
 };
 
-int  nv50_fb_ctor(struct nvkm_object *, struct nvkm_object *,
-		  struct nvkm_oclass *, void *, u32,
-		  struct nvkm_object **);
-void nv50_fb_dtor(struct nvkm_object *);
-int  nv50_fb_init(struct nvkm_object *);
-
-struct nv50_fb_impl {
-	struct nvkm_fb_impl base;
+struct nv50_fb_func {
+	int (*ram_new)(struct nvkm_fb *, struct nvkm_ram **);
 	u32 trap;
 };
 
+int nv50_fb_new_(const struct nv50_fb_func *, struct nvkm_device *, int index,
+		 struct nvkm_fb **pfb);
 extern int nv50_fb_memtype[0x80];
 #endif

drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h

 #ifndef __NVKM_FB_PRIV_H__
 #define __NVKM_FB_PRIV_H__
+#define nvkm_fb(p) container_of((p), struct nvkm_fb, subdev)
 #include <subdev/fb.h>
 struct nvkm_bios;
 
-#define nvkm_fb_create(p,e,c,d)                                             \
-	nvkm_fb_create_((p), (e), (c), sizeof(**d), (void **)d)
-#define nvkm_fb_destroy(p) ({                                               \
-	struct nvkm_fb *_fb = (p);                                          \
-	_nvkm_fb_dtor(nv_object(_fb));                                      \
-})
-#define nvkm_fb_init(p) ({                                                  \
-	struct nvkm_fb *_fb = (p);                                          \
-	_nvkm_fb_init(nv_object(_fb));                                      \
-})
-#define nvkm_fb_fini(p,s) ({                                                \
-	struct nvkm_fb *_fb = (p);                                          \
-	_nvkm_fb_fini(nv_object(_fb), (s));                                 \
-})
-
-int nvkm_fb_create_(struct nvkm_object *, struct nvkm_object *,
-		       struct nvkm_oclass *, int, void **);
-void _nvkm_fb_dtor(struct nvkm_object *);
-int  _nvkm_fb_init(struct nvkm_object *);
-int  _nvkm_fb_fini(struct nvkm_object *, bool);
-
-struct nvkm_fb_impl {
-	struct nvkm_oclass base;
+struct nvkm_fb_func {
+	void *(*dtor)(struct nvkm_fb *);
+	void (*init)(struct nvkm_fb *);
+	void (*intr)(struct nvkm_fb *);
+
+	struct {
+		int regions;
+		void (*init)(struct nvkm_fb *, int i, u32 addr, u32 size,
+			     u32 pitch, u32 flags, struct nvkm_fb_tile *);
+		void (*comp)(struct nvkm_fb *, int i, u32 size, u32 flags,
+			     struct nvkm_fb_tile *);
+		void (*fini)(struct nvkm_fb *, int i, struct nvkm_fb_tile *);
+		void (*prog)(struct nvkm_fb *, int i, struct nvkm_fb_tile *);
+	} tile;
+
 	int (*ram_new)(struct nvkm_fb *, struct nvkm_ram **);
-	bool (*memtype)(struct nvkm_fb *, u32);
+
+	bool (*memtype_valid)(struct nvkm_fb *, u32 memtype);
 };
 
+void nvkm_fb_ctor(const struct nvkm_fb_func *, struct nvkm_device *device,
+		  int index, struct nvkm_fb *);
+int nvkm_fb_new_(const struct nvkm_fb_func *, struct nvkm_device *device,
+		 int index, struct nvkm_fb **);
+int nvkm_fb_bios_memtype(struct nvkm_bios *);
+
 bool nv04_fb_memtype_valid(struct nvkm_fb *, u32 memtype);
-bool nv50_fb_memtype_valid(struct nvkm_fb *, u32 memtype);
 
-int  nvkm_fb_bios_memtype(struct nvkm_bios *);
+void nv10_fb_tile_init(struct nvkm_fb *, int i, u32 addr, u32 size,
+		       u32 pitch, u32 flags, struct nvkm_fb_tile *);
+void nv10_fb_tile_fini(struct nvkm_fb *, int i, struct nvkm_fb_tile *);
+void nv10_fb_tile_prog(struct nvkm_fb *, int, struct nvkm_fb_tile *);
+
+void nv20_fb_tile_init(struct nvkm_fb *, int i, u32 addr, u32 size,
+		       u32 pitch, u32 flags, struct nvkm_fb_tile *);
+void nv20_fb_tile_fini(struct nvkm_fb *, int i, struct nvkm_fb_tile *);
+void nv20_fb_tile_prog(struct nvkm_fb *, int, struct nvkm_fb_tile *);
+
+void nv30_fb_init(struct nvkm_fb *);
+void nv30_fb_tile_init(struct nvkm_fb *, int i, u32 addr, u32 size,
+		       u32 pitch, u32 flags, struct nvkm_fb_tile *);
+
+void nv40_fb_tile_comp(struct nvkm_fb *, int i, u32 size, u32 flags,
+		       struct nvkm_fb_tile *);
+
+void nv41_fb_init(struct nvkm_fb *);
+void nv41_fb_tile_prog(struct nvkm_fb *, int, struct nvkm_fb_tile *);
+
+void nv44_fb_init(struct nvkm_fb *);
+void nv44_fb_tile_prog(struct nvkm_fb *, int, struct nvkm_fb_tile *);
+
+void nv46_fb_tile_init(struct nvkm_fb *, int i, u32 addr, u32 size,
+		       u32 pitch, u32 flags, struct nvkm_fb_tile *);
+
+bool gf100_fb_memtype_valid(struct nvkm_fb *, u32);
 #endif

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramfuc.h

@@ -57,10 +57,7 @@ ramfuc_reg(u32 addr)
 static inline int
 ramfuc_init(struct ramfuc *ram, struct nvkm_fb *fb)
 {
-	struct nvkm_pmu *pmu = nvkm_pmu(fb);
-	int ret;
-
-	ret = nvkm_memx_init(pmu, &ram->memx);
+	int ret = nvkm_memx_init(fb->subdev.device->pmu, &ram->memx);
 	if (ret)
 		return ret;
 
@@ -148,9 +145,7 @@ ramfuc_train(struct ramfuc *ram)
 static inline int
 ramfuc_train_result(struct nvkm_fb *fb, u32 *result, u32 rsize)
 {
-	struct nvkm_pmu *pmu = nvkm_pmu(fb);
-
-	return nvkm_memx_train_result(pmu, result, rsize);
+	return nvkm_memx_train_result(fb->subdev.device->pmu, result, rsize);
 }
 
 static inline void

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.c

@@ -1457,7 +1457,7 @@ gk104_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 	struct dcb_gpio_func func;
 	struct gk104_ram *ram;
 	int ret, i;
-	u8  ramcfg = nvbios_ramcfg_index(nv_subdev(fb));
+	u8  ramcfg = nvbios_ramcfg_index(subdev);
 	u32 tmp;
 
 	if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL)))

drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c

@@ -77,14 +77,15 @@ static void
 nv50_vm_map(struct nvkm_vma *vma, struct nvkm_memory *pgt,
 	    struct nvkm_mem *mem, u32 pte, u32 cnt, u64 phys, u64 delta)
 {
+	struct nvkm_ram *ram = vma->vm->mmu->subdev.device->fb->ram;
 	u32 comp = (mem->memtype & 0x180) >> 7;
 	u32 block, target;
 	int i;
 
 	/* IGPs don't have real VRAM, re-target to stolen system memory */
 	target = 0;
-	if (nvkm_fb(vma->vm->mmu)->ram->stolen) {
-		phys += nvkm_fb(vma->vm->mmu)->ram->stolen;
+	if (ram->stolen) {
+		phys += ram->stolen;
 		target = 3;
 	}