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

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

drivers/gpu/drm/nouveau/dispnv04/disp.h

@@ -172,7 +172,7 @@ nouveau_bios_run_init_table(struct drm_device *dev, u16 table,
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nvkm_bios *bios = nvxx_bios(&drm->device);
 	struct nvbios_init init = {
-		.subdev = nv_subdev(bios),
+		.subdev = &bios->subdev,
 		.bios = bios,
 		.offset = table,
 		.outp = outp,

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

@@ -50,7 +50,7 @@ u64  nvif_device_time(struct nvif_device *);
 	struct nvif_device *_device = (a);                                     \
 	nv_device(_device->object.priv);                                       \
 })
-#define nvxx_bios(a) nvkm_bios(nvxx_device(a))
+#define nvxx_bios(a) nvxx_device(a)->bios
 #define nvxx_fb(a) nvkm_fb(nvxx_device(a))
 #define nvxx_mmu(a) nvkm_mmu(nvxx_device(a))
 #define nvxx_bar(a) nvxx_device(a)->bar

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

@@ -19,12 +19,6 @@ struct nvkm_bios {
 	} version;
 };
 
-static inline struct nvkm_bios *
-nvkm_bios(void *obj)
-{
-	return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_VBIOS);
-}
-
 u8  nvbios_checksum(const u8 *data, int size);
 u16 nvbios_findstr(const u8 *data, int size, const char *str, int len);
 int nvbios_memcmp(struct nvkm_bios *, u32 addr, const char *, u32 len);
@@ -33,5 +27,5 @@ int nvbios_memcmp(struct nvkm_bios *, u32 addr, const char *, u32 len);
 #define nvbios_rd16(b,o) get_unaligned_le16(&(b)->data[(o)])
 #define nvbios_rd32(b,o) get_unaligned_le32(&(b)->data[(o)])
 
-extern struct nvkm_oclass nvkm_bios_oclass;
+int nvkm_bios_new(struct nvkm_device *, int, struct nvkm_bios **);
 #endif

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

@@ -70,13 +70,13 @@ nvkm_device_list(u64 *name, int size)
 static const struct nvkm_device_chip
 null_chipset = {
 	.name = "NULL",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 };
 
 static const struct nvkm_device_chip
 nv4_chipset = {
 	.name = "NV04",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv04_devinit_new,
@@ -96,7 +96,7 @@ nv4_chipset = {
 static const struct nvkm_device_chip
 nv5_chipset = {
 	.name = "NV05",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv05_devinit_new,
@@ -116,7 +116,7 @@ nv5_chipset = {
 static const struct nvkm_device_chip
 nv10_chipset = {
 	.name = "NV10",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv10_devinit_new,
@@ -135,7 +135,7 @@ nv10_chipset = {
 static const struct nvkm_device_chip
 nv11_chipset = {
 	.name = "NV11",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv10_devinit_new,
@@ -156,7 +156,7 @@ nv11_chipset = {
 static const struct nvkm_device_chip
 nv15_chipset = {
 	.name = "NV15",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv10_devinit_new,
@@ -177,7 +177,7 @@ nv15_chipset = {
 static const struct nvkm_device_chip
 nv17_chipset = {
 	.name = "NV17",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv10_devinit_new,
@@ -198,7 +198,7 @@ nv17_chipset = {
 static const struct nvkm_device_chip
 nv18_chipset = {
 	.name = "NV18",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv10_devinit_new,
@@ -219,7 +219,7 @@ nv18_chipset = {
 static const struct nvkm_device_chip
 nv1a_chipset = {
 	.name = "nForce",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -240,7 +240,7 @@ nv1a_chipset = {
 static const struct nvkm_device_chip
 nv1f_chipset = {
 	.name = "nForce2",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -261,7 +261,7 @@ nv1f_chipset = {
 static const struct nvkm_device_chip
 nv20_chipset = {
 	.name = "NV20",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv20_devinit_new,
@@ -282,7 +282,7 @@ nv20_chipset = {
 static const struct nvkm_device_chip
 nv25_chipset = {
 	.name = "NV25",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv20_devinit_new,
@@ -303,7 +303,7 @@ nv25_chipset = {
 static const struct nvkm_device_chip
 nv28_chipset = {
 	.name = "NV28",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv20_devinit_new,
@@ -324,7 +324,7 @@ nv28_chipset = {
 static const struct nvkm_device_chip
 nv2a_chipset = {
 	.name = "NV2A",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv20_devinit_new,
@@ -345,7 +345,7 @@ nv2a_chipset = {
 static const struct nvkm_device_chip
 nv30_chipset = {
 	.name = "NV30",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv20_devinit_new,
@@ -366,7 +366,7 @@ nv30_chipset = {
 static const struct nvkm_device_chip
 nv31_chipset = {
 	.name = "NV31",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv20_devinit_new,
@@ -388,7 +388,7 @@ nv31_chipset = {
 static const struct nvkm_device_chip
 nv34_chipset = {
 	.name = "NV34",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv10_devinit_new,
@@ -410,7 +410,7 @@ nv34_chipset = {
 static const struct nvkm_device_chip
 nv35_chipset = {
 	.name = "NV35",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv04_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv20_devinit_new,
@@ -431,7 +431,7 @@ nv35_chipset = {
 static const struct nvkm_device_chip
 nv36_chipset = {
 	.name = "NV36",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv04_clk_new,
 //	.devinit = nv20_devinit_new,
@@ -453,7 +453,7 @@ nv36_chipset = {
 static const struct nvkm_device_chip
 nv40_chipset = {
 	.name = "NV40",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -478,7 +478,7 @@ nv40_chipset = {
 static const struct nvkm_device_chip
 nv41_chipset = {
 	.name = "NV41",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -503,7 +503,7 @@ nv41_chipset = {
 static const struct nvkm_device_chip
 nv42_chipset = {
 	.name = "NV42",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -528,7 +528,7 @@ nv42_chipset = {
 static const struct nvkm_device_chip
 nv43_chipset = {
 	.name = "NV43",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -553,7 +553,7 @@ nv43_chipset = {
 static const struct nvkm_device_chip
 nv44_chipset = {
 	.name = "NV44",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -578,7 +578,7 @@ nv44_chipset = {
 static const struct nvkm_device_chip
 nv45_chipset = {
 	.name = "NV45",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -603,7 +603,7 @@ nv45_chipset = {
 static const struct nvkm_device_chip
 nv46_chipset = {
 	.name = "G72",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -628,7 +628,7 @@ nv46_chipset = {
 static const struct nvkm_device_chip
 nv47_chipset = {
 	.name = "G70",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -653,7 +653,7 @@ nv47_chipset = {
 static const struct nvkm_device_chip
 nv49_chipset = {
 	.name = "G71",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -678,7 +678,7 @@ nv49_chipset = {
 static const struct nvkm_device_chip
 nv4a_chipset = {
 	.name = "NV44A",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -703,7 +703,7 @@ nv4a_chipset = {
 static const struct nvkm_device_chip
 nv4b_chipset = {
 	.name = "G73",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -728,7 +728,7 @@ nv4b_chipset = {
 static const struct nvkm_device_chip
 nv4c_chipset = {
 	.name = "C61",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -753,7 +753,7 @@ nv4c_chipset = {
 static const struct nvkm_device_chip
 nv4e_chipset = {
 	.name = "C51",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -779,7 +779,7 @@ static const struct nvkm_device_chip
 nv50_chipset = {
 	.name = "G80",
 	.bar = nv50_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv50_bus_new,
 //	.clk = nv50_clk_new,
 //	.devinit = nv50_devinit_new,
@@ -806,7 +806,7 @@ nv50_chipset = {
 static const struct nvkm_device_chip
 nv63_chipset = {
 	.name = "C73",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -831,7 +831,7 @@ nv63_chipset = {
 static const struct nvkm_device_chip
 nv67_chipset = {
 	.name = "C67",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -856,7 +856,7 @@ nv67_chipset = {
 static const struct nvkm_device_chip
 nv68_chipset = {
 	.name = "C68",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv31_bus_new,
 //	.clk = nv40_clk_new,
 //	.devinit = nv1a_devinit_new,
@@ -882,7 +882,7 @@ static const struct nvkm_device_chip
 nv84_chipset = {
 	.name = "G84",
 	.bar = g84_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv50_bus_new,
 //	.clk = g84_clk_new,
 //	.devinit = g84_devinit_new,
@@ -913,7 +913,7 @@ static const struct nvkm_device_chip
 nv86_chipset = {
 	.name = "G86",
 	.bar = g84_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv50_bus_new,
 //	.clk = g84_clk_new,
 //	.devinit = g84_devinit_new,
@@ -944,7 +944,7 @@ static const struct nvkm_device_chip
 nv92_chipset = {
 	.name = "G92",
 	.bar = g84_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = nv50_bus_new,
 //	.clk = g84_clk_new,
 //	.devinit = g84_devinit_new,
@@ -975,7 +975,7 @@ static const struct nvkm_device_chip
 nv94_chipset = {
 	.name = "G94",
 	.bar = g84_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = g94_bus_new,
 //	.clk = g84_clk_new,
 //	.devinit = g84_devinit_new,
@@ -1005,7 +1005,7 @@ nv94_chipset = {
 static const struct nvkm_device_chip
 nv96_chipset = {
 	.name = "G96",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.gpio = g94_gpio_new,
 //	.i2c = g94_i2c_new,
 //	.fuse = nv50_fuse_new,
@@ -1036,7 +1036,7 @@ nv96_chipset = {
 static const struct nvkm_device_chip
 nv98_chipset = {
 	.name = "G98",
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.gpio = g94_gpio_new,
 //	.i2c = g94_i2c_new,
 //	.fuse = nv50_fuse_new,
@@ -1068,7 +1068,7 @@ static const struct nvkm_device_chip
 nva0_chipset = {
 	.name = "GT200",
 	.bar = g84_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = g94_bus_new,
 //	.clk = g84_clk_new,
 //	.devinit = g84_devinit_new,
@@ -1099,7 +1099,7 @@ static const struct nvkm_device_chip
 nva3_chipset = {
 	.name = "GT215",
 	.bar = g84_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = g94_bus_new,
 //	.clk = gt215_clk_new,
 //	.devinit = gt215_devinit_new,
@@ -1132,7 +1132,7 @@ static const struct nvkm_device_chip
 nva5_chipset = {
 	.name = "GT216",
 	.bar = g84_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = g94_bus_new,
 //	.clk = gt215_clk_new,
 //	.devinit = gt215_devinit_new,
@@ -1164,7 +1164,7 @@ static const struct nvkm_device_chip
 nva8_chipset = {
 	.name = "GT218",
 	.bar = g84_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = g94_bus_new,
 //	.clk = gt215_clk_new,
 //	.devinit = gt215_devinit_new,
@@ -1196,7 +1196,7 @@ static const struct nvkm_device_chip
 nvaa_chipset = {
 	.name = "MCP77/MCP78",
 	.bar = g84_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = g94_bus_new,
 //	.clk = mcp77_clk_new,
 //	.devinit = g98_devinit_new,
@@ -1227,7 +1227,7 @@ static const struct nvkm_device_chip
 nvac_chipset = {
 	.name = "MCP79/MCP7A",
 	.bar = g84_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = g94_bus_new,
 //	.clk = mcp77_clk_new,
 //	.devinit = g98_devinit_new,
@@ -1258,7 +1258,7 @@ static const struct nvkm_device_chip
 nvaf_chipset = {
 	.name = "MCP89",
 	.bar = g84_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = g94_bus_new,
 //	.clk = gt215_clk_new,
 //	.devinit = mcp89_devinit_new,
@@ -1290,7 +1290,7 @@ static const struct nvkm_device_chip
 nvc0_chipset = {
 	.name = "GF100",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gf100_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1325,7 +1325,7 @@ static const struct nvkm_device_chip
 nvc1_chipset = {
 	.name = "GF108",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gf100_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1359,7 +1359,7 @@ static const struct nvkm_device_chip
 nvc3_chipset = {
 	.name = "GF106",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gf100_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1393,7 +1393,7 @@ static const struct nvkm_device_chip
 nvc4_chipset = {
 	.name = "GF104",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gf100_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1428,7 +1428,7 @@ static const struct nvkm_device_chip
 nvc8_chipset = {
 	.name = "GF110",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gf100_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1463,7 +1463,7 @@ static const struct nvkm_device_chip
 nvce_chipset = {
 	.name = "GF114",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gf100_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1498,7 +1498,7 @@ static const struct nvkm_device_chip
 nvcf_chipset = {
 	.name = "GF116",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gf100_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1532,7 +1532,7 @@ static const struct nvkm_device_chip
 nvd7_chipset = {
 	.name = "GF117",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gf100_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1564,7 +1564,7 @@ static const struct nvkm_device_chip
 nvd9_chipset = {
 	.name = "GF119",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gf100_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1598,7 +1598,7 @@ static const struct nvkm_device_chip
 nve4_chipset = {
 	.name = "GK104",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gk104_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1634,7 +1634,7 @@ static const struct nvkm_device_chip
 nve6_chipset = {
 	.name = "GK106",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gk104_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1670,7 +1670,7 @@ static const struct nvkm_device_chip
 nve7_chipset = {
 	.name = "GK107",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gk104_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1730,7 +1730,7 @@ static const struct nvkm_device_chip
 nvf0_chipset = {
 	.name = "GK110",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gk104_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1766,7 +1766,7 @@ static const struct nvkm_device_chip
 nvf1_chipset = {
 	.name = "GK110B",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gk104_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1802,7 +1802,7 @@ static const struct nvkm_device_chip
 nv106_chipset = {
 	.name = "GK208B",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gk104_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1837,7 +1837,7 @@ static const struct nvkm_device_chip
 nv108_chipset = {
 	.name = "GK208",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gk104_clk_new,
 //	.devinit = gf100_devinit_new,
@@ -1872,7 +1872,7 @@ static const struct nvkm_device_chip
 nv117_chipset = {
 	.name = "GM107",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.clk = gk104_clk_new,
 //	.devinit = gm107_devinit_new,
@@ -1902,7 +1902,7 @@ static const struct nvkm_device_chip
 nv124_chipset = {
 	.name = "GM204",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.devinit = gm204_devinit_new,
 //	.fb = gm107_fb_new,
@@ -1931,7 +1931,7 @@ static const struct nvkm_device_chip
 nv126_chipset = {
 	.name = "GM206",
 	.bar = gf100_bar_new,
-//	.bios = nvkm_bios_new,
+	.bios = nvkm_bios_new,
 //	.bus = gf100_bus_new,
 //	.devinit = gm204_devinit_new,
 //	.fb = gm107_fb_new,
@@ -2581,7 +2581,6 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
 		}
 	} else {
 		device->chip = &null_chipset;
-		device->oclass[NVDEV_SUBDEV_VBIOS] = &nvkm_bios_oclass;
 	}
 
 	if (!device->name)

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

@@ -28,7 +28,6 @@ gf100_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0xc0:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -59,7 +58,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf100_pm_oclass;
 		break;
 	case 0xc4:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -90,7 +88,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf100_pm_oclass;
 		break;
 	case 0xc3:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -120,7 +117,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf100_pm_oclass;
 		break;
 	case 0xce:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -151,7 +147,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf100_pm_oclass;
 		break;
 	case 0xcf:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -181,7 +176,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf100_pm_oclass;
 		break;
 	case 0xc1:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -211,7 +205,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf108_pm_oclass;
 		break;
 	case 0xc8:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -242,7 +235,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf100_pm_oclass;
 		break;
 	case 0xd9:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  gf110_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  gf110_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -272,7 +264,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf117_pm_oclass;
 		break;
 	case 0xd7:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  gf110_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  gf117_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;

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

@@ -28,7 +28,6 @@ gk104_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0xe4:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  gk104_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  gk104_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -60,7 +59,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gk104_pm_oclass;
 		break;
 	case 0xe7:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  gk104_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  gk104_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -92,7 +90,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gk104_pm_oclass;
 		break;
 	case 0xe6:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  gk104_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  gk104_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -144,7 +141,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gk20a_pmu_oclass;
 		break;
 	case 0xf0:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  gk104_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  gk104_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -176,7 +172,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = &gk110_pm_oclass;
 		break;
 	case 0xf1:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  gk104_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  gf110_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -208,7 +203,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = &gk110_pm_oclass;
 		break;
 	case 0x106:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  gk104_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  gk104_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;
@@ -239,7 +233,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_MSPPP  ] = &gf100_msppp_oclass;
 		break;
 	case 0x108:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  gk104_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  gk104_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gf100_fuse_oclass;

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

@@ -28,7 +28,6 @@ gm100_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x117:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  gk104_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  gf110_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gm107_fuse_oclass;
@@ -66,7 +65,6 @@ gm100_identify(struct nvkm_device *device)
 #endif
 		break;
 	case 0x124:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  gk104_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  gm204_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gm107_fuse_oclass;
@@ -105,7 +103,6 @@ gm100_identify(struct nvkm_device *device)
 #endif
 		break;
 	case 0x126:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  gk104_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  gm204_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] = &gm107_fuse_oclass;

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

@@ -28,7 +28,6 @@ nv04_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x04:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
 		device->oclass[NVDEV_SUBDEV_DEVINIT] =  nv04_devinit_oclass;
@@ -45,7 +44,6 @@ nv04_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x05:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
 		device->oclass[NVDEV_SUBDEV_DEVINIT] =  nv05_devinit_oclass;

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

@@ -28,7 +28,6 @@ nv10_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x10:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -44,7 +43,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x15:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -62,7 +60,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x16:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -80,7 +77,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x1a:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -98,7 +94,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x11:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -116,7 +111,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x17:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -134,7 +128,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x1f:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -152,7 +145,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x18:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;

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

@@ -28,7 +28,6 @@ nv20_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x20:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -46,7 +45,6 @@ nv20_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x25:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -64,7 +62,6 @@ nv20_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x28:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -82,7 +79,6 @@ nv20_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x2a:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;

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

@@ -28,7 +28,6 @@ nv30_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x30:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -46,7 +45,6 @@ nv30_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x35:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -64,7 +62,6 @@ nv30_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x31:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -83,7 +80,6 @@ nv30_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x36:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;
@@ -102,7 +98,6 @@ nv30_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x34:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv04_clk_oclass;

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

@@ -28,7 +28,6 @@ nv40_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x40:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -50,7 +49,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x41:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -72,7 +70,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x42:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -94,7 +91,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x43:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -116,7 +112,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x45:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -138,7 +133,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x47:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -160,7 +154,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x49:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -182,7 +175,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x4b:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -204,7 +196,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x44:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -226,7 +217,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x46:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -248,7 +238,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x4a:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -270,7 +259,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x4c:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -292,7 +280,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x4e:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv4e_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -314,7 +301,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x63:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -336,7 +322,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x67:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;
@@ -358,7 +343,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x68:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv10_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_CLK    ] = &nv40_clk_oclass;

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

@@ -28,7 +28,6 @@ nv50_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x50:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv50_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv50_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;
@@ -52,7 +51,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv50_pm_oclass;
 		break;
 	case 0x84:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv50_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv50_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;
@@ -79,7 +77,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0x86:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv50_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv50_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;
@@ -106,7 +103,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0x92:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  nv50_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv50_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;
@@ -133,7 +129,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0x94:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;
@@ -160,7 +155,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0x96:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;
@@ -187,7 +181,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0x98:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;
@@ -214,7 +207,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0xa0:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv50_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;
@@ -241,7 +233,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  gt200_pm_oclass;
 		break;
 	case 0xaa:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;
@@ -268,7 +259,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0xac:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;
@@ -295,7 +285,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0xa3:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;
@@ -324,7 +313,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  gt215_pm_oclass;
 		break;
 	case 0xa5:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;
@@ -352,7 +340,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  gt215_pm_oclass;
 		break;
 	case 0xa8:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;
@@ -380,7 +367,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  gt215_pm_oclass;
 		break;
 	case 0xaf:
-		device->oclass[NVDEV_SUBDEV_VBIOS  ] = &nvkm_bios_oclass;
 		device->oclass[NVDEV_SUBDEV_GPIO   ] =  g94_gpio_oclass;
 		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_FUSE   ] =  &nv50_fuse_oclass;

drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c

@@ -209,14 +209,15 @@ gf119_disp_intr_unk1_0(struct nv50_disp *disp, int head)
 static void
 gf119_disp_intr_unk2_0(struct nv50_disp *disp, int head)
 {
+	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_output *outp = exec_script(disp, head, 2);
 
 	/* see note in nv50_disp_intr_unk20_0() */
 	if (outp && outp->info.type == DCB_OUTPUT_DP) {
 		struct nvkm_output_dp *outpdp = nvkm_output_dp(outp);
 		struct nvbios_init init = {
-			.subdev = nv_subdev(disp),
-			.bios = nvkm_bios(disp),
+			.subdev = subdev,
+			.bios = subdev->device->bios,
 			.outp = &outp->info,
 			.crtc = head,
 			.offset = outpdp->info.script[4],

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

@@ -319,6 +319,7 @@ nv50_disp_intr_unk10_0(struct nv50_disp *disp, int head)
 static void
 nv50_disp_intr_unk20_0(struct nv50_disp *disp, int head)
 {
+	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
 	struct nvkm_output *outp = exec_script(disp, head, 2);
 
 	/* the binary driver does this outside of the supervisor handling
@@ -337,8 +338,8 @@ nv50_disp_intr_unk20_0(struct nv50_disp *disp, int head)
 	if (outp && outp->info.type == DCB_OUTPUT_DP) {
 		struct nvkm_output_dp *outpdp = nvkm_output_dp(outp);
 		struct nvbios_init init = {
-			.subdev = nv_subdev(disp),
-			.bios = nvkm_bios(disp),
+			.subdev = subdev,
+			.bios = subdev->device->bios,
 			.outp = &outp->info,
 			.crtc = head,
 			.offset = outpdp->info.script[4],

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

@@ -83,20 +83,29 @@ nvbios_extend(struct nvkm_bios *bios, u32 length)
 	return 0;
 }
 
-static int
-nvkm_bios_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
+static void *
+nvkm_bios_dtor(struct nvkm_subdev *subdev)
+{
+	struct nvkm_bios *bios = nvkm_bios(subdev);
+	kfree(bios->data);
+	return bios;
+}
+
+static const struct nvkm_subdev_func
+nvkm_bios = {
+	.dtor = nvkm_bios_dtor,
+};
+
+int
+nvkm_bios_new(struct nvkm_device *device, int index, struct nvkm_bios **pbios)
 {
 	struct nvkm_bios *bios;
 	struct bit_entry bit_i;
 	int ret;
 
-	ret = nvkm_subdev_create(parent, engine, oclass, 0,
-				 "VBIOS", "bios", &bios);
-	*pobject = nv_object(bios);
-	if (ret)
-		return ret;
+	if (!(bios = *pbios = kzalloc(sizeof(*bios), GFP_KERNEL)))
+		return -ENOMEM;
+	nvkm_subdev_ctor(&nvkm_bios, device, index, 0, &bios->subdev);
 
 	ret = nvbios_shadow(bios);
 	if (ret)
@@ -136,36 +145,3 @@ nvkm_bios_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 		  bios->version.minor, bios->version.micro, bios->version.patch);
 	return 0;
 }
-
-static void
-nvkm_bios_dtor(struct nvkm_object *object)
-{
-	struct nvkm_bios *bios = (void *)object;
-	kfree(bios->data);
-	nvkm_subdev_destroy(&bios->subdev);
-}
-
-static int
-nvkm_bios_init(struct nvkm_object *object)
-{
-	struct nvkm_bios *bios = (void *)object;
-	return nvkm_subdev_init_old(&bios->subdev);
-}
-
-static int
-nvkm_bios_fini(struct nvkm_object *object, bool suspend)
-{
-	struct nvkm_bios *bios = (void *)object;
-	return nvkm_subdev_fini_old(&bios->subdev, suspend);
-}
-
-struct nvkm_oclass
-nvkm_bios_oclass = {
-	.handle = NV_SUBDEV(VBIOS, 0x00),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nvkm_bios_ctor,
-		.dtor = nvkm_bios_dtor,
-		.init = nvkm_bios_init,
-		.fini = nvkm_bios_fini,
-	},
-};

drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c

@@ -141,7 +141,7 @@ init_conn(struct nvbios_init *init)
 static inline u32
 init_nvreg(struct nvbios_init *init, u32 reg)
 {
-	struct nvkm_devinit *devinit = nvkm_devinit(init->bios);
+	struct nvkm_devinit *devinit = init->bios->subdev.device->devinit;
 
 	/* C51 (at least) sometimes has the lower bits set which the VBIOS
 	 * interprets to mean that access needs to go through certain IO
@@ -154,7 +154,7 @@ init_nvreg(struct nvbios_init *init, u32 reg)
 	/* GF8+ display scripts need register addresses mangled a bit to
 	 * select a specific CRTC/OR
 	 */
-	if (nv_device(init->bios)->card_type >= NV_50) {
+	if (init->bios->subdev.device->card_type >= NV_50) {
 		if (reg & 0x80000000) {
 			reg += init_crtc(init) * 0x800;
 			reg &= ~0x80000000;
@@ -337,7 +337,7 @@ init_wrauxr(struct nvbios_init *init, u32 addr, u8 data)
 static void
 init_prog_pll(struct nvbios_init *init, u32 id, u32 freq)
 {
-	struct nvkm_devinit *devinit = nvkm_devinit(init->bios);
+	struct nvkm_devinit *devinit = init->bios->subdev.device->devinit;
 	if (devinit->pll_set && init_exec(init)) {
 		int ret = devinit->pll_set(devinit, id, freq);
 		if (ret)
@@ -1447,7 +1447,7 @@ init_zm_index_io(struct nvbios_init *init)
 static void
 init_compute_mem(struct nvbios_init *init)
 {
-	struct nvkm_devinit *devinit = nvkm_devinit(init->bios);
+	struct nvkm_devinit *devinit = init->bios->subdev.device->devinit;
 
 	trace("COMPUTE_MEM\n");
 	init->offset += 1;
@@ -1624,7 +1624,7 @@ init_io(struct nvbios_init *init)
 	 * needed some day..  it's almost certainly wrong, but, it also
 	 * somehow makes things work...
 	 */
-	if (nv_device(init->bios)->card_type >= NV_50 &&
+	if (bios->subdev.device->card_type >= NV_50 &&
 	    port == 0x03c3 && data == 0x01) {
 		init_mask(init, 0x614100, 0xf0800000, 0x00800000);
 		init_mask(init, 0x00e18c, 0x00020000, 0x00020000);
@@ -1930,7 +1930,7 @@ init_ram_restrict_pll(struct nvbios_init *init)
 static void
 init_gpio(struct nvbios_init *init)
 {
-	struct nvkm_gpio *gpio = nvkm_gpio(init->bios);
+	struct nvkm_gpio *gpio = init->bios->subdev.device->gpio;
 
 	trace("GPIO\n");
 	init->offset += 1;
@@ -2158,7 +2158,7 @@ static void
 init_gpio_ne(struct nvbios_init *init)
 {
 	struct nvkm_bios *bios = init->bios;
-	struct nvkm_gpio *gpio = nvkm_gpio(bios);
+	struct nvkm_gpio *gpio = bios->subdev.device->gpio;
 	struct dcb_gpio_func func;
 	u8 count = nvbios_rd08(bios, init->offset + 1);
 	u8 idx = 0, ver, len;
@@ -2287,7 +2287,7 @@ nvbios_exec(struct nvbios_init *init)
 int
 nvbios_init(struct nvkm_subdev *subdev, bool execute)
 {
-	struct nvkm_bios *bios = nvkm_bios(subdev);
+	struct nvkm_bios *bios = subdev->device->bios;
 	int ret = 0;
 	int i = -1;
 	u16 data;

drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c

@@ -115,7 +115,7 @@ nvbios_perfEp(struct nvkm_bios *bios, int idx,
 		info->shader   = nvbios_rd16(bios, perf + 0x06) * 1000;
 		info->core     = info->shader + (signed char)
 				 nvbios_rd08(bios, perf + 0x08) * 1000;
-		switch (nv_device(bios)->chipset) {
+		switch (bios->subdev.device->chipset) {
 		case 0x49:
 		case 0x4b:
 			info->memory = nvbios_rd16(bios, perf + 0x0b) * 1000;

drivers/gpu/drm/nouveau/nvkm/subdev/bios/pll.c

@@ -111,7 +111,8 @@ pll_limits_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
 static struct pll_mapping *
 pll_map(struct nvkm_bios *bios)
 {
-	switch (nv_device(bios)->card_type) {
+	struct nvkm_device *device = bios->subdev.device;
+	switch (device->card_type) {
 	case NV_04:
 	case NV_10:
 	case NV_11:
@@ -122,12 +123,12 @@ pll_map(struct nvkm_bios *bios)
 	case NV_40:
 		return nv40_pll_mapping;
 	case NV_50:
-		if (nv_device(bios)->chipset == 0x50)
+		if (device->chipset == 0x50)
 			return nv50_pll_mapping;
 		else
-		if (nv_device(bios)->chipset <  0xa3 ||
-		    nv_device(bios)->chipset == 0xaa ||
-		    nv_device(bios)->chipset == 0xac)
+		if (device->chipset <  0xa3 ||
+		    device->chipset == 0xaa ||
+		    device->chipset == 0xac)
 			return g84_pll_mapping;
 	default:
 		return NULL;

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

 #ifndef __NVKM_BIOS_PRIV_H__
 #define __NVKM_BIOS_PRIV_H__
+#define nvkm_bios(p) container_of((p), struct nvkm_bios, subdev)
 #include <subdev/bios.h>
 
 struct nvbios_source {

drivers/gpu/drm/nouveau/nvkm/subdev/bios/ramcfg.c

@@ -50,7 +50,7 @@ nvbios_ramcfg_count(struct nvkm_bios *bios)
 u8
 nvbios_ramcfg_index(struct nvkm_subdev *subdev)
 {
-	struct nvkm_bios *bios = nvkm_bios(subdev);
+	struct nvkm_bios *bios = subdev->device->bios;
 	u8 strap = nvbios_ramcfg_strap(subdev);
 	u32 xlat = 0x00000000;
 	struct bit_entry bit_M;

drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c

@@ -134,7 +134,7 @@ shadow_fw_read(void *data, u32 offset, u32 length, struct nvkm_bios *bios)
 static void *
 shadow_fw_init(struct nvkm_bios *bios, const char *name)
 {
-	struct device *dev = &nv_device(bios)->pdev->dev;
+	struct device *dev = &bios->subdev.device->pdev->dev;
 	const struct firmware *fw;
 	int ret = request_firmware(&fw, name, dev);
 	if (ret)

drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c

@@ -88,7 +88,7 @@ acpi_read_slow(void *data, u32 offset, u32 length, struct nvkm_bios *bios)
 static void *
 acpi_init(struct nvkm_bios *bios, const char *name)
 {
-	if (!nouveau_acpi_rom_supported(nv_device(bios)->pdev))
+	if (!nouveau_acpi_rom_supported(bios->subdev.device->pdev))
 		return ERR_PTR(-ENODEV);
 	return NULL;
 }

drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c

@@ -43,7 +43,7 @@ of_read(void *data, u32 offset, u32 length, struct nvkm_bios *bios)
 static void *
 of_init(struct nvkm_bios *bios, const char *name)
 {
-	struct pci_dev *pdev = nv_device(bios)->pdev;
+	struct pci_dev *pdev = bios->subdev.device->pdev;
 	struct device_node *dn;
 	struct priv *priv;
 	if (!(dn = pci_device_to_OF_node(pdev)))

drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c

@@ -51,7 +51,7 @@ pcirom_fini(void *data)
 static void *
 pcirom_init(struct nvkm_bios *bios, const char *name)
 {
-	struct pci_dev *pdev = nv_device(bios)->pdev;
+	struct pci_dev *pdev = bios->subdev.device->pdev;
 	struct priv *priv = NULL;
 	int ret;
 
@@ -83,7 +83,7 @@ nvbios_pcirom = {
 static void *
 platform_init(struct nvkm_bios *bios, const char *name)
 {
-	struct pci_dev *pdev = nv_device(bios)->pdev;
+	struct pci_dev *pdev = bios->subdev.device->pdev;
 	struct priv *priv;
 	int ret = -ENOMEM;
 

drivers/gpu/drm/nouveau/nvkm/subdev/bios/therm.c

@@ -203,7 +203,7 @@ nvbios_therm_fan_parse(struct nvkm_bios *bios, struct nvbios_therm_fan *fan)
 	}
 
 	/* starting from fermi, fan management is always linear */
-	if (nv_device(bios)->card_type >= NV_C0 &&
+	if (bios->subdev.device->card_type >= NV_C0 &&
 		fan->fan_mode == NVBIOS_THERM_FAN_OTHER) {
 		fan->fan_mode = NVBIOS_THERM_FAN_LINEAR;
 	}

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

@@ -39,7 +39,7 @@ static u32
 nvkm_clk_adjust(struct nvkm_clk *clk, bool adjust,
 		u8 pstate, u8 domain, u32 input)
 {
-	struct nvkm_bios *bios = nvkm_bios(clk);
+	struct nvkm_bios *bios = clk->subdev.device->bios;
 	struct nvbios_boostE boostE;
 	u8  ver, hdr, cnt, len;
 	u16 data;
@@ -136,7 +136,7 @@ nvkm_cstate_del(struct nvkm_cstate *cstate)
 static int
 nvkm_cstate_new(struct nvkm_clk *clk, int idx, struct nvkm_pstate *pstate)
 {
-	struct nvkm_bios *bios = nvkm_bios(clk);
+	struct nvkm_bios *bios = clk->subdev.device->bios;
 	struct nvkm_domain *domain = clk->domains;
 	struct nvkm_cstate *cstate = NULL;
 	struct nvbios_cstepX cstepX;
@@ -305,7 +305,7 @@ nvkm_pstate_del(struct nvkm_pstate *pstate)
 static int
 nvkm_pstate_new(struct nvkm_clk *clk, int idx)
 {
-	struct nvkm_bios *bios = nvkm_bios(clk);
+	struct nvkm_bios *bios = clk->subdev.device->bios;
 	struct nvkm_domain *domain = clk->domains - 1;
 	struct nvkm_pstate *pstate;
 	struct nvkm_cstate *cstate;

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

@@ -240,7 +240,8 @@ calc_src(struct gf100_clk *clk, int idx, u32 freq, u32 *dsrc, u32 *ddiv)
 static u32
 calc_pll(struct gf100_clk *clk, int idx, u32 freq, u32 *coef)
 {
-	struct nvkm_bios *bios = nvkm_bios(clk);
+	struct nvkm_subdev *subdev = &clk->base.subdev;
+	struct nvkm_bios *bios = subdev->device->bios;
 	struct nvbios_pll limits;
 	int N, M, P, ret;
 
@@ -252,7 +253,7 @@ calc_pll(struct gf100_clk *clk, int idx, u32 freq, u32 *coef)
 	if (!limits.refclk)
 		return 0;
 
-	ret = gt215_pll_calc(nv_subdev(clk), &limits, freq, &N, NULL, &M, &P);
+	ret = gt215_pll_calc(subdev, &limits, freq, &N, NULL, &M, &P);
 	if (ret <= 0)
 		return 0;
 

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

@@ -261,7 +261,8 @@ calc_src(struct gk104_clk *clk, int idx, u32 freq, u32 *dsrc, u32 *ddiv)
 static u32
 calc_pll(struct gk104_clk *clk, int idx, u32 freq, u32 *coef)
 {
-	struct nvkm_bios *bios = nvkm_bios(clk);
+	struct nvkm_subdev *subdev = &clk->base.subdev;
+	struct nvkm_bios *bios = subdev->device->bios;
 	struct nvbios_pll limits;
 	int N, M, P, ret;
 
@@ -273,7 +274,7 @@ calc_pll(struct gk104_clk *clk, int idx, u32 freq, u32 *coef)
 	if (!limits.refclk)
 		return 0;
 
-	ret = gt215_pll_calc(nv_subdev(clk), &limits, freq, &N, NULL, &M, &P);
+	ret = gt215_pll_calc(subdev, &limits, freq, &N, NULL, &M, &P);
 	if (ret <= 0)
 		return 0;
 

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

@@ -231,8 +231,8 @@ int
 gt215_pll_info(struct nvkm_clk *clock, int idx, u32 pll, u32 khz,
 	       struct gt215_clk_info *info)
 {
-	struct nvkm_bios *bios = nvkm_bios(clock);
 	struct gt215_clk *clk = (void *)clock;
+	struct nvkm_subdev *subdev = &clk->base.subdev;
 	struct nvbios_pll limits;
 	int P, N, M, diff;
 	int ret;
@@ -248,7 +248,7 @@ gt215_pll_info(struct nvkm_clk *clock, int idx, u32 pll, u32 khz,
 	}
 
 	/* Try with PLL */
-	ret = nvbios_pll_parse(bios, pll, &limits);
+	ret = nvbios_pll_parse(subdev->device->bios, pll, &limits);
 	if (ret)
 		return ret;
 
@@ -256,7 +256,7 @@ gt215_pll_info(struct nvkm_clk *clock, int idx, u32 pll, u32 khz,
 	if (ret != limits.refclk)
 		return -EINVAL;
 
-	ret = gt215_pll_calc(nv_subdev(clk), &limits, khz, &N, NULL, &M, &P);
+	ret = gt215_pll_calc(subdev, &limits, khz, &N, NULL, &M, &P);
 	if (ret >= 0) {
 		info->pll = (P << 16) | (N << 8) | M;
 	}

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

@@ -164,11 +164,11 @@ static u32
 calc_pll(struct mcp77_clk *clk, u32 reg,
 	 u32 clock, int *N, int *M, int *P)
 {
-	struct nvkm_bios *bios = nvkm_bios(clk);
+	struct nvkm_subdev *subdev = &clk->base.subdev;
 	struct nvbios_pll pll;
 	int ret;
 
-	ret = nvbios_pll_parse(bios, reg, &pll);
+	ret = nvbios_pll_parse(subdev->device->bios, reg, &pll);
 	if (ret)
 		return 0;
 
@@ -177,7 +177,7 @@ calc_pll(struct mcp77_clk *clk, u32 reg,
 	if (!pll.refclk)
 		return 0;
 
-	return nv04_pll_calc(nv_subdev(clk), &pll, clock, N, M, NULL, NULL, P);
+	return nv04_pll_calc(subdev, &pll, clock, N, M, NULL, NULL, P);
 }
 
 static inline u32

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

@@ -48,8 +48,9 @@ nv04_clk_pll_calc(struct nvkm_clk *clock, struct nvbios_pll *info,
 int
 nv04_clk_pll_prog(struct nvkm_clk *clk, u32 reg1, struct nvkm_pll_vals *pv)
 {
-	struct nvkm_devinit *devinit = nvkm_devinit(clk);
-	int cv = nvkm_bios(clk)->version.chip;
+	struct nvkm_device *device = clk->subdev.device;
+	struct nvkm_devinit *devinit = device->devinit;
+	int cv = device->bios->version.chip;
 
 	if (cv == 0x30 || cv == 0x31 || cv == 0x35 || cv == 0x36 ||
 	    cv >= 0x40) {

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

@@ -133,18 +133,18 @@ static int
 nv40_clk_calc_pll(struct nv40_clk *clk, u32 reg, u32 khz,
 		  int *N1, int *M1, int *N2, int *M2, int *log2P)
 {
-	struct nvkm_bios *bios = nvkm_bios(clk);
+	struct nvkm_subdev *subdev = &clk->base.subdev;
 	struct nvbios_pll pll;
 	int ret;
 
-	ret = nvbios_pll_parse(bios, reg, &pll);
+	ret = nvbios_pll_parse(subdev->device->bios, reg, &pll);
 	if (ret)
 		return ret;
 
 	if (khz < pll.vco1.max_freq)
 		pll.vco2.max_freq = 0;
 
-	ret = nv04_pll_calc(nv_subdev(clk), &pll, khz, N1, M1, N2, M2, log2P);
+	ret = nv04_pll_calc(subdev, &pll, khz, N1, M1, N2, M2, log2P);
 	if (ret == 0)
 		return -ERANGE;
 

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

@@ -324,11 +324,11 @@ nv50_clk_read(struct nvkm_clk *obj, enum nv_clk_src src)
 static u32
 calc_pll(struct nv50_clk *clk, u32 reg, u32 idx, int *N, int *M, int *P)
 {
-	struct nvkm_bios *bios = nvkm_bios(clk);
+	struct nvkm_subdev *subdev = &clk->base.subdev;
 	struct nvbios_pll pll;
 	int ret;
 
-	ret = nvbios_pll_parse(bios, reg, &pll);
+	ret = nvbios_pll_parse(subdev->device->bios, reg, &pll);
 	if (ret)
 		return 0;
 
@@ -337,7 +337,7 @@ calc_pll(struct nv50_clk *clk, u32 reg, u32 idx, int *N, int *M, int *P)
 	if (!pll.refclk)
 		return 0;
 
-	return nv04_pll_calc(nv_subdev(clk), &pll, idx, N, M, NULL, NULL, P);
+	return nv04_pll_calc(subdev, &pll, idx, N, M, NULL, NULL, P);
 }
 
 static inline u32

drivers/gpu/drm/nouveau/nvkm/subdev/clk/pllnv04.c

@@ -37,7 +37,7 @@ getMNP_single(struct nvkm_subdev *subdev, struct nvbios_pll *info, int clk,
 	 * "clk" parameter in kHz
 	 * returns calculated clock
 	 */
-	struct nvkm_bios *bios = nvkm_bios(subdev);
+	struct nvkm_bios *bios = subdev->device->bios;
 	int minvco = info->vco1.min_freq, maxvco = info->vco1.max_freq;
 	int minM = info->vco1.min_m, maxM = info->vco1.max_m;
 	int minN = info->vco1.min_n, maxN = info->vco1.max_n;
@@ -136,7 +136,7 @@ getMNP_double(struct nvkm_subdev *subdev, struct nvbios_pll *info, int clk,
 	 * "clk" parameter in kHz
 	 * returns calculated clock
 	 */
-	int chip_version = nvkm_bios(subdev)->version.chip;
+	int chip_version = subdev->device->bios->version.chip;
 	int minvco1 = info->vco1.min_freq, maxvco1 = info->vco1.max_freq;
 	int minvco2 = info->vco2.min_freq, maxvco2 = info->vco2.max_freq;
 	int minU1 = info->vco1.min_inputfreq, minU2 = info->vco2.min_inputfreq;

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

@@ -355,7 +355,8 @@ setPLL_double_lowregs(struct nvkm_devinit *init, u32 NMNMreg,
 int
 nv04_devinit_pll_set(struct nvkm_devinit *devinit, u32 type, u32 freq)
 {
-	struct nvkm_bios *bios = nvkm_bios(devinit);
+	struct nvkm_subdev *subdev = &devinit->subdev;
+	struct nvkm_bios *bios = subdev->device->bios;
 	struct nvkm_pll_vals pv;
 	struct nvbios_pll info;
 	int cv = bios->version.chip;
@@ -366,8 +367,7 @@ nv04_devinit_pll_set(struct nvkm_devinit *devinit, u32 type, u32 freq)
 	if (ret)
 		return ret;
 
-	ret = nv04_pll_calc(nv_subdev(devinit), &info, freq,
-			    &N1, &M1, &N2, &M2, &P);
+	ret = nv04_pll_calc(subdev, &info, freq, &N1, &M1, &N2, &M2, &P);
 	if (!ret)
 		return -EINVAL;
 

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

@@ -44,7 +44,7 @@ nvkm_gpio_find(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line,
 	       struct dcb_gpio_func *func)
 {
 	struct nvkm_device *device = gpio->subdev.device;
-	struct nvkm_bios *bios = nvkm_bios(gpio);
+	struct nvkm_bios *bios = device->bios;
 	u8  ver, len;
 	u16 data;
 

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

@@ -43,8 +43,9 @@ mxm_shadow_rom_fetch(struct nvkm_i2c_bus *bus, u8 addr,
 static bool
 mxm_shadow_rom(struct nvkm_mxm *mxm, u8 version)
 {
-	struct nvkm_bios *bios = nvkm_bios(mxm);
-	struct nvkm_i2c *i2c = nvkm_i2c(mxm);
+	struct nvkm_device *device = mxm->subdev.device;
+	struct nvkm_bios *bios = device->bios;
+	struct nvkm_i2c *i2c = device->i2c;
 	struct nvkm_i2c_bus *bus = NULL;
 	u8 i2cidx, mxms[6], addr, size;
 
@@ -229,8 +230,8 @@ int
 nvkm_mxm_create_(struct nvkm_object *parent, struct nvkm_object *engine,
 		 struct nvkm_oclass *oclass, int length, void **pobject)
 {
-	struct nvkm_device *device = nv_device(parent);
-	struct nvkm_bios *bios = nvkm_bios(device);
+	struct nvkm_device *device = (void *)parent;
+	struct nvkm_bios *bios = device->bios;
 	struct nvkm_mxm *mxm;
 	u8  ver, len;
 	u16 data;

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

@@ -49,7 +49,7 @@ mxm_match_tmds_partner(struct nvkm_mxm *mxm, u8 *data, void *info)
 static bool
 mxm_match_dcb(struct nvkm_mxm *mxm, u8 *data, void *info)
 {
-	struct nvkm_bios *bios = nvkm_bios(mxm);
+	struct nvkm_bios *bios = mxm->subdev.device->bios;
 	struct context *ctx = info;
 	u64 desc = *(u64 *)data;
 

drivers/gpu/drm/nouveau/nvkm/subdev/therm/fanpwm.c

@@ -87,8 +87,8 @@ int
 nvkm_fanpwm_create(struct nvkm_therm *obj, struct dcb_gpio_func *func)
 {
 	struct nvkm_therm_priv *therm = container_of(obj, typeof(*therm), base);
-	struct nvkm_device *device = nv_device(therm);
-	struct nvkm_bios *bios = nvkm_bios(therm);
+	struct nvkm_device *device = therm->base.subdev.device;
+	struct nvkm_bios *bios = device->bios;
 	struct nvkm_fanpwm *fan;
 	struct nvbios_therm_fan info;
 	u32 divs, duty;

drivers/gpu/drm/nouveau/nvkm/subdev/therm/temp.c

@@ -251,7 +251,7 @@ nvkm_therm_sensor_ctor(struct nvkm_therm *obj)
 {
 	struct nvkm_therm_priv *therm = container_of(obj, typeof(*therm), base);
 	struct nvkm_subdev *subdev = &therm->base.subdev;
-	struct nvkm_bios *bios = nvkm_bios(therm);
+	struct nvkm_bios *bios = subdev->device->bios;
 
 	nvkm_alarm_init(&therm->sensor.therm_poll_alarm, alarm_timer_callback);
 

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

@@ -64,7 +64,7 @@ nvkm_volt_set(struct nvkm_volt *volt, u32 uv)
 static int
 nvkm_volt_map(struct nvkm_volt *volt, u8 id)
 {
-	struct nvkm_bios *bios = nvkm_bios(volt);
+	struct nvkm_bios *bios = volt->subdev.device->bios;
 	struct nvbios_vmap_entry info;
 	u8  ver, len;
 	u16 vmap;