fb: transition nvkm_ram away from being based on nvkm_object

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

59 files changed, 872 insertions, 1092 deletions

diff --git a/drm/nouveau/include/nvkm/core/mm.h b/drm/nouveau/include/nvkm/core/mm.h
index 096eb1a62..d92fd41e4 100644
--- a/drm/nouveau/include/nvkm/core/mm.h
+++ b/drm/nouveau/include/nvkm/core/mm.h
@@ -27,7 +27,7 @@ struct nvkm_mm {
 static inline bool
 nvkm_mm_initialised(struct nvkm_mm *mm)
 {
-	return mm->block_size != 0;
+	return mm->heap_nodes;
 }
 
 int  nvkm_mm_init(struct nvkm_mm *, u32 offset, u32 length, u32 block);
@@ -37,4 +37,5 @@ int  nvkm_mm_head(struct nvkm_mm *, u8 heap, u8 type, u32 size_max,
 int  nvkm_mm_tail(struct nvkm_mm *, u8 heap, u8 type, u32 size_max,
 		  u32 size_min, u32 align, struct nvkm_mm_node **);
 void nvkm_mm_free(struct nvkm_mm *, struct nvkm_mm_node **);
+void nvkm_mm_dump(struct nvkm_mm *, const char *);
 #endif
diff --git a/drm/nouveau/include/nvkm/subdev/fb.h b/drm/nouveau/include/nvkm/subdev/fb.h
index 344cc99f0..f102cf97b 100644
--- a/drm/nouveau/include/nvkm/subdev/fb.h
+++ b/drm/nouveau/include/nvkm/subdev/fb.h
@@ -18,7 +18,7 @@
 #define NV_MEM_TARGET_VM          3
 #define NV_MEM_TARGET_GART        4
 
-#define NV_MEM_TYPE_VM 0x7f
+#define NVKM_RAM_TYPE_VM 0x7f
 #define NV_MEM_COMP_VM 0x03
 
 struct nvkm_mem {
@@ -52,9 +52,6 @@ struct nvkm_fb {
 
 	struct nvkm_ram *ram;
 
-	struct nvkm_mm vram;
-	struct nvkm_mm tags;
-
 	struct {
 		struct nvkm_fb_tile region[16];
 		int regions;
@@ -112,36 +109,35 @@ struct nvkm_ram_data {
 	u32 freq;
 };
 
+enum nvkm_ram_type {
+	NVKM_RAM_TYPE_UNKNOWN = 0,
+	NVKM_RAM_TYPE_STOLEN,
+	NVKM_RAM_TYPE_SGRAM,
+	NVKM_RAM_TYPE_SDRAM,
+	NVKM_RAM_TYPE_DDR1,
+	NVKM_RAM_TYPE_DDR2,
+	NVKM_RAM_TYPE_DDR3,
+	NVKM_RAM_TYPE_GDDR2,
+	NVKM_RAM_TYPE_GDDR3,
+	NVKM_RAM_TYPE_GDDR4,
+	NVKM_RAM_TYPE_GDDR5
+};
+
 struct nvkm_ram {
-	struct nvkm_object base;
-	enum {
-		NV_MEM_TYPE_UNKNOWN = 0,
-		NV_MEM_TYPE_STOLEN,
-		NV_MEM_TYPE_SGRAM,
-		NV_MEM_TYPE_SDRAM,
-		NV_MEM_TYPE_DDR1,
-		NV_MEM_TYPE_DDR2,
-		NV_MEM_TYPE_DDR3,
-		NV_MEM_TYPE_GDDR2,
-		NV_MEM_TYPE_GDDR3,
-		NV_MEM_TYPE_GDDR4,
-		NV_MEM_TYPE_GDDR5
-	} type;
-	u64 stolen;
+	const struct nvkm_ram_func *func;
+	struct nvkm_fb *fb;
+	enum nvkm_ram_type type;
 	u64 size;
-	u32 tags;
+
+#define NVKM_RAM_MM_SHIFT 12
+	struct nvkm_mm vram;
+	struct nvkm_mm tags;
+	u64 stolen;
 
 	int ranks;
 	int parts;
 	int part_mask;
 
-	int  (*get)(struct nvkm_fb *, u64 size, u32 align, u32 size_nc,
-		    u32 type, struct nvkm_mem **);
-	void (*put)(struct nvkm_fb *, struct nvkm_mem **);
-
-	int  (*calc)(struct nvkm_fb *, u32 freq);
-	int  (*prog)(struct nvkm_fb *);
-	void (*tidy)(struct nvkm_fb *);
 	u32 freq;
 	u32 mr[16];
 	u32 mr1_nuts;
@@ -151,4 +147,17 @@ struct nvkm_ram {
 	struct nvkm_ram_data xition;
 	struct nvkm_ram_data target;
 };
+
+struct nvkm_ram_func {
+	void *(*dtor)(struct nvkm_ram *);
+	int (*init)(struct nvkm_ram *);
+
+	int (*get)(struct nvkm_ram *, u64 size, u32 align, u32 size_nc,
+		   u32 type, struct nvkm_mem **);
+	void (*put)(struct nvkm_ram *, struct nvkm_mem **);
+
+	int (*calc)(struct nvkm_ram *, u32 freq);
+	int (*prog)(struct nvkm_ram *);
+	void (*tidy)(struct nvkm_ram *);
+};
 #endif
diff --git a/drm/nouveau/nouveau_ttm.c b/drm/nouveau/nouveau_ttm.c
index 44e878b56..d8999f71a 100644
--- a/drm/nouveau/nouveau_ttm.c
+++ b/drm/nouveau/nouveau_ttm.c
@@ -64,9 +64,9 @@ nouveau_vram_manager_del(struct ttm_mem_type_manager *man,
 			 struct ttm_mem_reg *mem)
 {
 	struct nouveau_drm *drm = nouveau_bdev(man->bdev);
-	struct nvkm_fb *fb = nvxx_fb(&drm->device);
+	struct nvkm_ram *ram = nvxx_fb(&drm->device)->ram;
 	nvkm_mem_node_cleanup(mem->mm_node);
-	fb->ram->put(fb, (struct nvkm_mem **)&mem->mm_node);
+	ram->func->put(ram, (struct nvkm_mem **)&mem->mm_node);
 }
 
 static int
@@ -76,7 +76,7 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
 			 struct ttm_mem_reg *mem)
 {
 	struct nouveau_drm *drm = nouveau_bdev(man->bdev);
-	struct nvkm_fb *fb = nvxx_fb(&drm->device);
+	struct nvkm_ram *ram = nvxx_fb(&drm->device)->ram;
 	struct nouveau_bo *nvbo = nouveau_bo(bo);
 	struct nvkm_mem *node;
 	u32 size_nc = 0;
@@ -88,9 +88,9 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
 	if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG)
 		size_nc = 1 << nvbo->page_shift;
 
-	ret = fb->ram->get(fb, mem->num_pages << PAGE_SHIFT,
-			   mem->page_alignment << PAGE_SHIFT, size_nc,
-			   (nvbo->tile_flags >> 8) & 0x3ff, &node);
+	ret = ram->func->get(ram, mem->num_pages << PAGE_SHIFT,
+			     mem->page_alignment << PAGE_SHIFT, size_nc,
+			     (nvbo->tile_flags >> 8) & 0x3ff, &node);
 	if (ret) {
 		mem->mm_node = NULL;
 		return (ret == -ENOSPC) ? 0 : ret;
@@ -103,38 +103,11 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
 	return 0;
 }
 
-static void
-nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
-{
-	struct nvkm_fb *fb = man->priv;
-	struct nvkm_mm *mm = &fb->vram;
-	struct nvkm_mm_node *r;
-	u32 total = 0, free = 0;
-
-	mutex_lock(&nv_subdev(fb)->mutex);
-	list_for_each_entry(r, &mm->nodes, nl_entry) {
-		printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n",
-		       prefix, r->type, ((u64)r->offset << 12),
-		       (((u64)r->offset + r->length) << 12));
-
-		total += r->length;
-		if (!r->type)
-			free += r->length;
-	}
-	mutex_unlock(&nv_subdev(fb)->mutex);
-
-	printk(KERN_DEBUG "%s  total: 0x%010llx free: 0x%010llx\n",
-	       prefix, (u64)total << 12, (u64)free << 12);
-	printk(KERN_DEBUG "%s  block: 0x%08x\n",
-	       prefix, mm->block_size << 12);
-}
-
 const struct ttm_mem_type_manager_func nouveau_vram_manager = {
 	nouveau_vram_manager_init,
 	nouveau_vram_manager_fini,
 	nouveau_vram_manager_new,
 	nouveau_vram_manager_del,
-	nouveau_vram_manager_debug
 };
 
 static int
diff --git a/drm/nouveau/nvkm/core/mm.c b/drm/nouveau/nvkm/core/mm.c
index 7f458dfd5..09a1eee8f 100644
--- a/drm/nouveau/nvkm/core/mm.c
+++ b/drm/nouveau/nvkm/core/mm.c
@@ -26,7 +26,7 @@
 #define node(root, dir) ((root)->nl_entry.dir == &mm->nodes) ? NULL :          \
 	list_entry((root)->nl_entry.dir, struct nvkm_mm_node, nl_entry)
 
-static void
+void
 nvkm_mm_dump(struct nvkm_mm *mm, const char *header)
 {
 	struct nvkm_mm_node *node;
diff --git a/drm/nouveau/nvkm/engine/gr/ctxnv50.c b/drm/nouveau/nvkm/engine/gr/ctxnv50.c
index 69561ee4e..5bdb112dc 100644
--- a/drm/nouveau/nvkm/engine/gr/ctxnv50.c
+++ b/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 != NV_MEM_TYPE_GDDR5)
+			if (nvkm_fb(device)->ram->type != NVKM_RAM_TYPE_GDDR5)
 				gr_def(ctx, 0x407d08, 0x003d0040);
 			else
 				gr_def(ctx, 0x407d08, 0x003c0040);
diff --git a/drm/nouveau/nvkm/subdev/clk/base.c b/drm/nouveau/nvkm/subdev/clk/base.c
index a05ec5715..cfd1feed9 100644
--- a/drm/nouveau/nvkm/subdev/clk/base.c
+++ b/drm/nouveau/nvkm/subdev/clk/base.c
@@ -174,7 +174,7 @@ static int
 nvkm_pstate_prog(struct nvkm_clk *clk, int pstatei)
 {
 	struct nvkm_subdev *subdev = &clk->subdev;
-	struct nvkm_fb *fb = subdev->device->fb;
+	struct nvkm_ram *ram = subdev->device->fb->ram;
 	struct nvkm_pstate *pstate;
 	int ret, idx = 0;
 
@@ -186,14 +186,14 @@ nvkm_pstate_prog(struct nvkm_clk *clk, int pstatei)
 	nvkm_debug(subdev, "setting performance state %d\n", pstatei);
 	clk->pstate = pstatei;
 
-	if (fb->ram && fb->ram->calc) {
+	if (ram && ram->func->calc) {
 		int khz = pstate->base.domain[nv_clk_src_mem];
 		do {
-			ret = fb->ram->calc(fb, khz);
+			ret = ram->func->calc(ram, khz);
 			if (ret == 0)
-				ret = fb->ram->prog(fb);
+				ret = ram->func->prog(ram);
 		} while (ret > 0);
-		fb->ram->tidy(fb);
+		ram->func->tidy(ram);
 	}
 
 	return nvkm_cstate_prog(clk, pstate, 0);
diff --git a/drm/nouveau/nvkm/subdev/fb/Kbuild b/drm/nouveau/nvkm/subdev/fb/Kbuild
index d6be4c6c5..08105701a 100644
--- a/drm/nouveau/nvkm/subdev/fb/Kbuild
+++ b/drm/nouveau/nvkm/subdev/fb/Kbuild
@@ -23,6 +23,8 @@ nvkm-y += nvkm/subdev/fb/gf100.o
 nvkm-y += nvkm/subdev/fb/gk104.o
 nvkm-y += nvkm/subdev/fb/gk20a.o
 nvkm-y += nvkm/subdev/fb/gm107.o
+
+nvkm-y += nvkm/subdev/fb/ram.o
 nvkm-y += nvkm/subdev/fb/ramnv04.o
 nvkm-y += nvkm/subdev/fb/ramnv10.o
 nvkm-y += nvkm/subdev/fb/ramnv1a.o
diff --git a/drm/nouveau/nvkm/subdev/fb/base.c b/drm/nouveau/nvkm/subdev/fb/base.c
index f0a5d197e..328381b8f 100644
--- a/drm/nouveau/nvkm/subdev/fb/base.c
+++ b/drm/nouveau/nvkm/subdev/fb/base.c
@@ -22,6 +22,7 @@
  * Authors: Ben Skeggs
  */
 #include "priv.h"
+#include "ram.h"
 
 #include <subdev/bios.h>
 #include <subdev/bios/M0203.h>
@@ -37,32 +38,24 @@ nvkm_fb_bios_memtype(struct nvkm_bios *bios)
 
 	if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) {
 		switch (M0203E.type) {
-		case M0203E_TYPE_DDR2 : return NV_MEM_TYPE_DDR2;
-		case M0203E_TYPE_DDR3 : return NV_MEM_TYPE_DDR3;
-		case M0203E_TYPE_GDDR3: return NV_MEM_TYPE_GDDR3;
-		case M0203E_TYPE_GDDR5: return NV_MEM_TYPE_GDDR5;
+		case M0203E_TYPE_DDR2 : return NVKM_RAM_TYPE_DDR2;
+		case M0203E_TYPE_DDR3 : return NVKM_RAM_TYPE_DDR3;
+		case M0203E_TYPE_GDDR3: return NVKM_RAM_TYPE_GDDR3;
+		case M0203E_TYPE_GDDR5: return NVKM_RAM_TYPE_GDDR5;
 		default:
 			nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type);
-			return NV_MEM_TYPE_UNKNOWN;
+			return NVKM_RAM_TYPE_UNKNOWN;
 		}
 	}
 
 	nvkm_warn(subdev, "M0203E not matched!\n");
-	return NV_MEM_TYPE_UNKNOWN;
+	return NVKM_RAM_TYPE_UNKNOWN;
 }
 
 int
 _nvkm_fb_fini(struct nvkm_object *object, bool suspend)
 {
 	struct nvkm_fb *fb = (void *)object;
-	int ret;
-
-	if (fb->ram) {
-		ret = nv_ofuncs(fb->ram)->fini(nv_object(fb->ram), suspend);
-		if (ret && suspend)
-			return ret;
-	}
-
 	return nvkm_subdev_fini(&fb->subdev, suspend);
 }
 
@@ -76,11 +69,8 @@ _nvkm_fb_init(struct nvkm_object *object)
 	if (ret)
 		return ret;
 
-	if (fb->ram) {
-		ret = nv_ofuncs(fb->ram)->init(nv_object(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]);
@@ -96,13 +86,8 @@ _nvkm_fb_dtor(struct nvkm_object *object)
 
 	for (i = 0; i < fb->tile.regions; i++)
 		fb->tile.fini(fb, i, &fb->tile.region[i]);
-	nvkm_mm_fini(&fb->tags);
-
-	if (fb->ram) {
-		nvkm_mm_fini(&fb->vram);
-		nvkm_object_ref(NULL, (struct nvkm_object **)&fb->ram);
-	}
 
+	nvkm_ram_del(&fb->ram);
 	nvkm_subdev_destroy(&fb->subdev);
 }
 
@@ -111,20 +96,6 @@ 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;
-	static const char *name[] = {
-		[NV_MEM_TYPE_UNKNOWN] = "of unknown memory type",
-		[NV_MEM_TYPE_STOLEN ] = "stolen system memory",
-		[NV_MEM_TYPE_SGRAM  ] = "SGRAM",
-		[NV_MEM_TYPE_SDRAM  ] = "SDRAM",
-		[NV_MEM_TYPE_DDR1   ] = "DDR1",
-		[NV_MEM_TYPE_DDR2   ] = "DDR2",
-		[NV_MEM_TYPE_DDR3   ] = "DDR3",
-		[NV_MEM_TYPE_GDDR2  ] = "GDDR2",
-		[NV_MEM_TYPE_GDDR3  ] = "GDDR3",
-		[NV_MEM_TYPE_GDDR4  ] = "GDDR4",
-		[NV_MEM_TYPE_GDDR5  ] = "GDDR5",
-	};
-	struct nvkm_object *ram;
 	struct nvkm_fb *fb;
 	int ret;
 
@@ -136,33 +107,14 @@ nvkm_fb_create_(struct nvkm_object *parent, struct nvkm_object *engine,
 
 	fb->memtype_valid = impl->memtype;
 
-	if (!impl->ram)
+	if (!impl->ram_new)
 		return 0;
 
-	ret = nvkm_object_ctor(nv_object(fb), NULL, impl->ram, NULL, 0, &ram);
+	ret = impl->ram_new(fb, &fb->ram);
 	if (ret) {
 		nvkm_error(&fb->subdev, "vram init failed, %d\n", ret);
 		return ret;
 	}
 
-	fb->ram = (void *)ram;
-
-	if (!nvkm_mm_initialised(&fb->vram)) {
-		ret = nvkm_mm_init(&fb->vram, 0, fb->ram->size >> 12, 1);
-		if (ret)
-			return ret;
-	}
-
-	if (!nvkm_mm_initialised(&fb->tags)) {
-		ret = nvkm_mm_init(&fb->tags, 0, fb->ram->tags ?
-				   ++fb->ram->tags : 0, 1);
-		if (ret)
-			return ret;
-
-		nvkm_debug(&fb->subdev, "%d compression tags\n", fb->ram->tags);
-	}
-
-	nvkm_info(&fb->subdev, "%d MiB %s\n", (int)(fb->ram->size >> 20),
-		  name[fb->ram->type]);
 	return 0;
 }
diff --git a/drm/nouveau/nvkm/subdev/fb/g84.c b/drm/nouveau/nvkm/subdev/fb/g84.c
index 6c968d1e9..1fdb6c349 100644
--- a/drm/nouveau/nvkm/subdev/fb/g84.c
+++ b/drm/nouveau/nvkm/subdev/fb/g84.c
@@ -22,6 +22,7 @@
  * Authors: Ben Skeggs
  */
 #include "nv50.h"
+#include "ram.h"
 
 struct nvkm_oclass *
 g84_fb_oclass = &(struct nv50_fb_impl) {
@@ -33,6 +34,6 @@ g84_fb_oclass = &(struct nv50_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv50_fb_memtype_valid,
-	.base.ram = &nv50_ram_oclass,
+	.base.ram_new = nv50_ram_new,
 	.trap = 0x001d07ff,
 }.base.base;
diff --git a/drm/nouveau/nvkm/subdev/fb/gddr3.c b/drm/nouveau/nvkm/subdev/fb/gddr3.c
index 4465446c8..79b523aa5 100644
--- a/drm/nouveau/nvkm/subdev/fb/gddr3.c
+++ b/drm/nouveau/nvkm/subdev/fb/gddr3.c
@@ -22,7 +22,7 @@
  * Authors: Ben Skeggs <bskeggs@redhat.com>
  * 	    Roy Spliet <rspliet@eclipso.eu>
  */
-#include "priv.h"
+#include "ram.h"
 
 struct ramxlat {
 	int id;
diff --git a/drm/nouveau/nvkm/subdev/fb/gddr5.c b/drm/nouveau/nvkm/subdev/fb/gddr5.c
index f6f9eee1d..24f83b09e 100644
--- a/drm/nouveau/nvkm/subdev/fb/gddr5.c
+++ b/drm/nouveau/nvkm/subdev/fb/gddr5.c
@@ -21,7 +21,7 @@
  *
  * Authors: Ben Skeggs <bskeggs@redhat.com>
  */
-#include "priv.h"
+#include "ram.h"
 
 /* binary driver only executes this path if the condition (a) is true
  * for any configuration (combination of rammap+ramcfg+timing) that
diff --git a/drm/nouveau/nvkm/subdev/fb/gf100.c b/drm/nouveau/nvkm/subdev/fb/gf100.c
index 1ac7d746e..b269f8f67 100644
--- a/drm/nouveau/nvkm/subdev/fb/gf100.c
+++ b/drm/nouveau/nvkm/subdev/fb/gf100.c
@@ -22,6 +22,7 @@
  * Authors: Ben Skeggs
  */
 #include "gf100.h"
+#include "ram.h"
 
 extern const u8 gf100_pte_storage_type_map[256];
 
@@ -113,5 +114,5 @@ gf100_fb_oclass = &(struct nvkm_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.memtype = gf100_fb_memtype_valid,
-	.ram = &gf100_ram_oclass,
+	.ram_new = gf100_ram_new,
 }.base;
diff --git a/drm/nouveau/nvkm/subdev/fb/gf100.h b/drm/nouveau/nvkm/subdev/fb/gf100.h
index add84641c..a0f6497d7 100644
--- a/drm/nouveau/nvkm/subdev/fb/gf100.h
+++ b/drm/nouveau/nvkm/subdev/fb/gf100.h
@@ -1,7 +1,6 @@
 #ifndef __NVKM_RAM_NVC0_H__
 #define __NVKM_RAM_NVC0_H__
 #include "priv.h"
-#include "nv50.h"
 
 struct gf100_fb {
 	struct nvkm_fb base;
@@ -15,14 +14,4 @@ int  gf100_fb_ctor(struct nvkm_object *, 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);
-
-#define gf100_ram_create(p,e,o,m,d)                                             \
-	gf100_ram_create_((p), (e), (o), (m), sizeof(**d), (void **)d)
-int  gf100_ram_create_(struct nvkm_object *, struct nvkm_object *,
-		      struct nvkm_oclass *, u32, int, void **);
-int  gf100_ram_get(struct nvkm_fb *, u64, u32, u32, u32,
-		  struct nvkm_mem **);
-void gf100_ram_put(struct nvkm_fb *, struct nvkm_mem **);
-
-int  gk104_ram_init(struct nvkm_object*);
 #endif
diff --git a/drm/nouveau/nvkm/subdev/fb/gk104.c b/drm/nouveau/nvkm/subdev/fb/gk104.c
index 1c0831766..6ed6181a7 100644
--- a/drm/nouveau/nvkm/subdev/fb/gk104.c
+++ b/drm/nouveau/nvkm/subdev/fb/gk104.c
@@ -22,6 +22,7 @@
  * Authors: Ben Skeggs
  */
 #include "gf100.h"
+#include "ram.h"
 
 struct nvkm_oclass *
 gk104_fb_oclass = &(struct nvkm_fb_impl) {
@@ -33,5 +34,5 @@ gk104_fb_oclass = &(struct nvkm_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.memtype = gf100_fb_memtype_valid,
-	.ram = &gk104_ram_oclass,
+	.ram_new = gk104_ram_new,
 }.base;
diff --git a/drm/nouveau/nvkm/subdev/fb/gm107.c b/drm/nouveau/nvkm/subdev/fb/gm107.c
index 843f9356b..71e3bd508 100644
--- a/drm/nouveau/nvkm/subdev/fb/gm107.c
+++ b/drm/nouveau/nvkm/subdev/fb/gm107.c
@@ -22,6 +22,7 @@
  * Authors: Ben Skeggs
  */
 #include "gf100.h"
+#include "ram.h"
 
 struct nvkm_oclass *
 gm107_fb_oclass = &(struct nvkm_fb_impl) {
@@ -33,5 +34,5 @@ gm107_fb_oclass = &(struct nvkm_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.memtype = gf100_fb_memtype_valid,
-	.ram = &gm107_ram_oclass,
+	.ram_new = gm107_ram_new,
 }.base;
diff --git a/drm/nouveau/nvkm/subdev/fb/gt215.c b/drm/nouveau/nvkm/subdev/fb/gt215.c
index dd9b8a0a3..425d289d4 100644
--- a/drm/nouveau/nvkm/subdev/fb/gt215.c
+++ b/drm/nouveau/nvkm/subdev/fb/gt215.c
@@ -22,6 +22,7 @@
  * Authors: Ben Skeggs
  */
 #include "nv50.h"
+#include "ram.h"
 
 struct nvkm_oclass *
 gt215_fb_oclass = &(struct nv50_fb_impl) {
@@ -33,6 +34,6 @@ gt215_fb_oclass = &(struct nv50_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv50_fb_memtype_valid,
-	.base.ram = &gt215_ram_oclass,
+	.base.ram_new = gt215_ram_new,
 	.trap = 0x000d0fff,
 }.base.base;
diff --git a/drm/nouveau/nvkm/subdev/fb/mcp77.c b/drm/nouveau/nvkm/subdev/fb/mcp77.c
index 7be4a47ef..3caed0f12 100644
--- a/drm/nouveau/nvkm/subdev/fb/mcp77.c
+++ b/drm/nouveau/nvkm/subdev/fb/mcp77.c
@@ -22,6 +22,7 @@
  * Authors: Ben Skeggs
  */
 #include "nv50.h"
+#include "ram.h"
 
 struct nvkm_oclass *
 mcp77_fb_oclass = &(struct nv50_fb_impl) {
@@ -33,6 +34,6 @@ mcp77_fb_oclass = &(struct nv50_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv50_fb_memtype_valid,
-	.base.ram = &mcp77_ram_oclass,
+	.base.ram_new = mcp77_ram_new,
 	.trap = 0x001d07ff,
 }.base.base;
diff --git a/drm/nouveau/nvkm/subdev/fb/mcp89.c b/drm/nouveau/nvkm/subdev/fb/mcp89.c
index 2d00656fa..3ff0bf9ce 100644
--- a/drm/nouveau/nvkm/subdev/fb/mcp89.c
+++ b/drm/nouveau/nvkm/subdev/fb/mcp89.c
@@ -22,6 +22,7 @@
  * Authors: Ben Skeggs
  */
 #include "nv50.h"
+#include "ram.h"
 
 struct nvkm_oclass *
 mcp89_fb_oclass = &(struct nv50_fb_impl) {
@@ -33,6 +34,6 @@ mcp89_fb_oclass = &(struct nv50_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv50_fb_memtype_valid,
-	.base.ram = &mcp77_ram_oclass,
+	.base.ram_new = mcp77_ram_new,
 	.trap = 0x089d1fff,
 }.base.base;
diff --git a/drm/nouveau/nvkm/subdev/fb/nv04.c b/drm/nouveau/nvkm/subdev/fb/nv04.c
index 7fb578fb8..8c8b4b359 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv04.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv04.c
@@ -22,6 +22,7 @@
  * Authors: Ben Skeggs
  */
 #include "nv04.h"
+#include "ram.h"
 #include "regsnv04.h"
 
 bool
@@ -84,5 +85,5 @@ nv04_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv04_ram_oclass,
+	.base.ram_new = nv04_ram_new,
 }.base.base;
diff --git a/drm/nouveau/nvkm/subdev/fb/nv10.c b/drm/nouveau/nvkm/subdev/fb/nv10.c
index a52cc6c71..a51c094df 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv10.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv10.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 void
 nv10_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
@@ -63,7 +64,7 @@ nv10_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv10_ram_oclass,
+	.base.ram_new = nv10_ram_new,
 	.tile.regions = 8,
 	.tile.init = nv10_fb_tile_init,
 	.tile.fini = nv10_fb_tile_fini,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv1a.c b/drm/nouveau/nvkm/subdev/fb/nv1a.c
index 83bcb73ca..e56b93d59 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv1a.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv1a.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 struct nvkm_oclass *
 nv1a_fb_oclass = &(struct nv04_fb_impl) {
@@ -35,7 +36,7 @@ nv1a_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv1a_ram_oclass,
+	.base.ram_new = nv1a_ram_new,
 	.tile.regions = 8,
 	.tile.init = nv10_fb_tile_init,
 	.tile.fini = nv10_fb_tile_fini,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv20.c b/drm/nouveau/nvkm/subdev/fb/nv20.c
index f1f3fe5ad..ada818ac1 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv20.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv20.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 void
 nv20_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
@@ -44,7 +45,7 @@ nv20_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 {
 	u32 tiles = DIV_ROUND_UP(size, 0x40);
 	u32 tags  = round_up(tiles / fb->ram->parts, 0x40);
-	if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
+	if (!nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) {
 		if (!(flags & 2)) tile->zcomp = 0x00000000; /* Z16 */
 		else              tile->zcomp = 0x04000000; /* Z24S8 */
 		tile->zcomp |= tile->tag->offset;
@@ -62,7 +63,7 @@ nv20_fb_tile_fini(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
 	tile->limit = 0;
 	tile->pitch = 0;
 	tile->zcomp = 0;
-	nvkm_mm_free(&fb->tags, &tile->tag);
+	nvkm_mm_free(&fb->ram->tags, &tile->tag);
 }
 
 void
@@ -86,7 +87,7 @@ nv20_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv20_ram_oclass,
+	.base.ram_new = nv20_ram_new,
 	.tile.regions = 8,
 	.tile.init = nv20_fb_tile_init,
 	.tile.comp = nv20_fb_tile_comp,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv25.c b/drm/nouveau/nvkm/subdev/fb/nv25.c
index 90b17004f..31dc7cf3a 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv25.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv25.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 static void
 nv25_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
@@ -31,7 +32,7 @@ nv25_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 {
 	u32 tiles = DIV_ROUND_UP(size, 0x40);
 	u32 tags  = round_up(tiles / fb->ram->parts, 0x40);
-	if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
+	if (!nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) {
 		if (!(flags & 2)) tile->zcomp = 0x00100000; /* Z16 */
 		else              tile->zcomp = 0x00200000; /* Z24S8 */
 		tile->zcomp |= tile->tag->offset;
@@ -51,7 +52,7 @@ nv25_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv20_ram_oclass,
+	.base.ram_new = nv20_ram_new,
 	.tile.regions = 8,
 	.tile.init = nv20_fb_tile_init,
 	.tile.comp = nv25_fb_tile_comp,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv30.c b/drm/nouveau/nvkm/subdev/fb/nv30.c
index 3a6da4ee4..6bddaac59 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv30.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv30.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 void
 nv30_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
@@ -50,7 +51,7 @@ nv30_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 {
 	u32 tiles = DIV_ROUND_UP(size, 0x40);
 	u32 tags  = round_up(tiles / fb->ram->parts, 0x40);
-	if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
+	if (!nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) {
 		if (flags & 2) tile->zcomp |= 0x01000000; /* Z16 */
 		else           tile->zcomp |= 0x02000000; /* Z24S8 */
 		tile->zcomp |= ((tile->tag->offset           ) >> 6);
@@ -130,7 +131,7 @@ nv30_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv20_ram_oclass,
+	.base.ram_new = nv20_ram_new,
 	.tile.regions = 8,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv30_fb_tile_comp,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv35.c b/drm/nouveau/nvkm/subdev/fb/nv35.c
index 7de68c6be..e4fd94d00 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv35.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv35.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 static void
 nv35_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
@@ -31,7 +32,7 @@ nv35_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 {
 	u32 tiles = DIV_ROUND_UP(size, 0x40);
 	u32 tags  = round_up(tiles / fb->ram->parts, 0x40);
-	if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
+	if (!nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) {
 		if (flags & 2) tile->zcomp |= 0x04000000; /* Z16 */
 		else           tile->zcomp |= 0x08000000; /* Z24S8 */
 		tile->zcomp |= ((tile->tag->offset           ) >> 6);
@@ -52,7 +53,7 @@ nv35_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv20_ram_oclass,
+	.base.ram_new = nv20_ram_new,
 	.tile.regions = 8,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv35_fb_tile_comp,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv36.c b/drm/nouveau/nvkm/subdev/fb/nv36.c
index b78062fd6..51b9b4a58 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv36.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv36.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 static void
 nv36_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
@@ -31,7 +32,7 @@ nv36_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 {
 	u32 tiles = DIV_ROUND_UP(size, 0x40);
 	u32 tags  = round_up(tiles / fb->ram->parts, 0x40);
-	if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
+	if (!nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) {
 		if (flags & 2) tile->zcomp |= 0x10000000; /* Z16 */
 		else           tile->zcomp |= 0x20000000; /* Z24S8 */
 		tile->zcomp |= ((tile->tag->offset           ) >> 6);
@@ -52,7 +53,7 @@ nv36_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv20_ram_oclass,
+	.base.ram_new = nv20_ram_new,
 	.tile.regions = 8,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv36_fb_tile_comp,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv40.c b/drm/nouveau/nvkm/subdev/fb/nv40.c
index fa02bcba3..fa1f80477 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv40.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv40.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 void
 nv40_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
@@ -32,7 +33,7 @@ nv40_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 	u32 tiles = DIV_ROUND_UP(size, 0x80);
 	u32 tags  = round_up(tiles / fb->ram->parts, 0x100);
 	if ( (flags & 2) &&
-	    !nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
+	    !nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) {
 		tile->zcomp  = 0x28000000; /* Z24S8_SPLIT_GRAD */
 		tile->zcomp |= ((tile->tag->offset           ) >> 8);
 		tile->zcomp |= ((tile->tag->offset + tags - 1) >> 8) << 13;
@@ -67,7 +68,7 @@ nv40_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv40_ram_oclass,
+	.base.ram_new = nv40_ram_new,
 	.tile.regions = 8,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv40_fb_tile_comp,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv40.h b/drm/nouveau/nvkm/subdev/fb/nv40.h
deleted file mode 100644
index 602182661..000000000
--- a/drm/nouveau/nvkm/subdev/fb/nv40.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#ifndef __NVKM_FB_NV40_H__
-#define __NVKM_FB_NV40_H__
-#include "priv.h"
-
-struct nv40_ram {
-	struct nvkm_ram base;
-	u32 ctrl;
-	u32 coef;
-};
-
-int  nv40_ram_calc(struct nvkm_fb *, u32);
-int  nv40_ram_prog(struct nvkm_fb *);
-void nv40_ram_tidy(struct nvkm_fb *);
-#endif
diff --git a/drm/nouveau/nvkm/subdev/fb/nv41.c b/drm/nouveau/nvkm/subdev/fb/nv41.c
index 568810536..5e11dd8ab 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv41.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv41.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 void
 nv41_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
@@ -61,7 +62,7 @@ nv41_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv41_ram_oclass,
+	.base.ram_new = nv41_ram_new,
 	.tile.regions = 12,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv40_fb_tile_comp,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv44.c b/drm/nouveau/nvkm/subdev/fb/nv44.c
index 9b7671698..ffdf74b69 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv44.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv44.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 static void
 nv44_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
@@ -71,7 +72,7 @@ nv44_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv44_ram_oclass,
+	.base.ram_new = nv44_ram_new,
 	.tile.regions = 12,
 	.tile.init = nv44_fb_tile_init,
 	.tile.fini = nv20_fb_tile_fini,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv46.c b/drm/nouveau/nvkm/subdev/fb/nv46.c
index 1f8b69d37..c96859910 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv46.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv46.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 void
 nv46_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
@@ -49,7 +50,7 @@ nv46_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv44_ram_oclass,
+	.base.ram_new = nv44_ram_new,
 	.tile.regions = 15,
 	.tile.init = nv46_fb_tile_init,
 	.tile.fini = nv20_fb_tile_fini,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv47.c b/drm/nouveau/nvkm/subdev/fb/nv47.c
index d3b3988d1..f150f2df1 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv47.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv47.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 struct nvkm_oclass *
 nv47_fb_oclass = &(struct nv04_fb_impl) {
@@ -35,7 +36,7 @@ nv47_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv41_ram_oclass,
+	.base.ram_new = nv41_ram_new,
 	.tile.regions = 15,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv40_fb_tile_comp,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv49.c b/drm/nouveau/nvkm/subdev/fb/nv49.c
index 236e36c50..806c7851a 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv49.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv49.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 struct nvkm_oclass *
 nv49_fb_oclass = &(struct nv04_fb_impl) {
@@ -35,7 +36,7 @@ nv49_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv49_ram_oclass,
+	.base.ram_new = nv49_ram_new,
 	.tile.regions = 15,
 	.tile.init = nv30_fb_tile_init,
 	.tile.comp = nv40_fb_tile_comp,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv4e.c b/drm/nouveau/nvkm/subdev/fb/nv4e.c
index 1352b6a73..6f24565c9 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv4e.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv4e.c
@@ -24,6 +24,7 @@
  *
  */
 #include "nv04.h"
+#include "ram.h"
 
 struct nvkm_oclass *
 nv4e_fb_oclass = &(struct nv04_fb_impl) {
@@ -35,7 +36,7 @@ nv4e_fb_oclass = &(struct nv04_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv04_fb_memtype_valid,
-	.base.ram = &nv4e_ram_oclass,
+	.base.ram_new = nv4e_ram_new,
 	.tile.regions = 12,
 	.tile.init = nv46_fb_tile_init,
 	.tile.fini = nv20_fb_tile_fini,
diff --git a/drm/nouveau/nvkm/subdev/fb/nv50.c b/drm/nouveau/nvkm/subdev/fb/nv50.c
index 1397e715d..072b0c388 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv50.c
+++ b/drm/nouveau/nvkm/subdev/fb/nv50.c
@@ -22,6 +22,7 @@
  * Authors: Ben Skeggs
  */
 #include "nv50.h"
+#include "ram.h"
 
 #include <core/client.h>
 #include <core/engctx.h>
@@ -299,6 +300,6 @@ nv50_fb_oclass = &(struct nv50_fb_impl) {
 		.fini = _nvkm_fb_fini,
 	},
 	.base.memtype = nv50_fb_memtype_valid,
-	.base.ram = &nv50_ram_oclass,
+	.base.ram_new = nv50_ram_new,
 	.trap = 0x000707ff,
 }.base.base;
diff --git a/drm/nouveau/nvkm/subdev/fb/nv50.h b/drm/nouveau/nvkm/subdev/fb/nv50.h
index 002b95ae4..92bfc3b9b 100644
--- a/drm/nouveau/nvkm/subdev/fb/nv50.h
+++ b/drm/nouveau/nvkm/subdev/fb/nv50.h
@@ -19,13 +19,5 @@ struct nv50_fb_impl {
 	u32 trap;
 };
 
-#define nv50_ram_create(p,e,o,d)                                               \
-	nv50_ram_create_((p), (e), (o), sizeof(**d), (void **)d)
-int  nv50_ram_create_(struct nvkm_object *, struct nvkm_object *,
-		      struct nvkm_oclass *, int, void **);
-int  nv50_ram_get(struct nvkm_fb *, u64 size, u32 align, u32 ncmin,
-		  u32 memtype, struct nvkm_mem **);
-void nv50_ram_put(struct nvkm_fb *, struct nvkm_mem **);
-void __nv50_ram_put(struct nvkm_fb *, struct nvkm_mem *);
 extern int nv50_fb_memtype[0x80];
 #endif
diff --git a/drm/nouveau/nvkm/subdev/fb/priv.h b/drm/nouveau/nvkm/subdev/fb/priv.h
index 74eb9a227..f206152a3 100644
--- a/drm/nouveau/nvkm/subdev/fb/priv.h
+++ b/drm/nouveau/nvkm/subdev/fb/priv.h
@@ -3,42 +3,6 @@
 #include <subdev/fb.h>
 struct nvkm_bios;
 
-#define nvkm_ram_create(p,e,o,d)                                            \
-	nvkm_object_create_((p), (e), (o), 0, sizeof(**d), (void **)d)
-#define nvkm_ram_destroy(p)                                                 \
-	nvkm_object_destroy(&(p)->base)
-#define nvkm_ram_init(p)                                                    \
-	nvkm_object_init(&(p)->base)
-#define nvkm_ram_fini(p,s)                                                  \
-	nvkm_object_fini(&(p)->base, (s))
-
-#define nvkm_ram_create_(p,e,o,s,d)                                         \
-	nvkm_object_create_((p), (e), (o), 0, (s), (void **)d)
-#define _nvkm_ram_dtor nvkm_object_destroy
-#define _nvkm_ram_init nvkm_object_init
-#define _nvkm_ram_fini nvkm_object_fini
-
-extern struct nvkm_oclass nv04_ram_oclass;
-extern struct nvkm_oclass nv10_ram_oclass;
-extern struct nvkm_oclass nv1a_ram_oclass;
-extern struct nvkm_oclass nv20_ram_oclass;
-extern struct nvkm_oclass nv40_ram_oclass;
-extern struct nvkm_oclass nv41_ram_oclass;
-extern struct nvkm_oclass nv44_ram_oclass;
-extern struct nvkm_oclass nv49_ram_oclass;
-extern struct nvkm_oclass nv4e_ram_oclass;
-extern struct nvkm_oclass nv50_ram_oclass;
-extern struct nvkm_oclass gt215_ram_oclass;
-extern struct nvkm_oclass mcp77_ram_oclass;
-extern struct nvkm_oclass gf100_ram_oclass;
-extern struct nvkm_oclass gk104_ram_oclass;
-extern struct nvkm_oclass gm107_ram_oclass;
-
-int nvkm_sddr2_calc(struct nvkm_ram *ram);
-int nvkm_sddr3_calc(struct nvkm_ram *ram);
-int nvkm_gddr3_calc(struct nvkm_ram *ram);
-int nvkm_gddr5_calc(struct nvkm_ram *ram, bool nuts);
-
 #define nvkm_fb_create(p,e,c,d)                                             \
 	nvkm_fb_create_((p), (e), (c), sizeof(**d), (void **)d)
 #define nvkm_fb_destroy(p) ({                                               \
@@ -62,7 +26,7 @@ int  _nvkm_fb_fini(struct nvkm_object *, bool);
 
 struct nvkm_fb_impl {
 	struct nvkm_oclass base;
-	struct nvkm_oclass *ram;
+	int (*ram_new)(struct nvkm_fb *, struct nvkm_ram **);
 	bool (*memtype)(struct nvkm_fb *, u32);
 };
 
diff --git a/drm/nouveau/nvkm/subdev/fb/ram.c b/drm/nouveau/nvkm/subdev/fb/ram.c
new file mode 100644
index 000000000..c17d559db
--- /dev/null
+++ b/drm/nouveau/nvkm/subdev/fb/ram.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2015 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs <bskeggs@redhat.com>
+ */
+#include "ram.h"
+
+int
+nvkm_ram_init(struct nvkm_ram *ram)
+{
+	if (ram->func->init)
+		return ram->func->init(ram);
+	return 0;
+}
+
+void
+nvkm_ram_del(struct nvkm_ram **pram)
+{
+	struct nvkm_ram *ram = *pram;
+	if (ram && !WARN_ON(!ram->func)) {
+		if (ram->func->dtor)
+			*pram = ram->func->dtor(ram);
+		nvkm_mm_fini(&ram->tags);
+		nvkm_mm_fini(&ram->vram);
+		kfree(*pram);
+		*pram = NULL;
+	}
+}
+
+int
+nvkm_ram_ctor(const struct nvkm_ram_func *func, struct nvkm_fb *fb,
+	      enum nvkm_ram_type type, u64 size, u32 tags,
+	      struct nvkm_ram *ram)
+{
+	static const char *name[] = {
+		[NVKM_RAM_TYPE_UNKNOWN] = "of unknown memory type",
+		[NVKM_RAM_TYPE_STOLEN ] = "stolen system memory",
+		[NVKM_RAM_TYPE_SGRAM  ] = "SGRAM",
+		[NVKM_RAM_TYPE_SDRAM  ] = "SDRAM",
+		[NVKM_RAM_TYPE_DDR1   ] = "DDR1",
+		[NVKM_RAM_TYPE_DDR2   ] = "DDR2",
+		[NVKM_RAM_TYPE_DDR3   ] = "DDR3",
+		[NVKM_RAM_TYPE_GDDR2  ] = "GDDR2",
+		[NVKM_RAM_TYPE_GDDR3  ] = "GDDR3",
+		[NVKM_RAM_TYPE_GDDR4  ] = "GDDR4",
+		[NVKM_RAM_TYPE_GDDR5  ] = "GDDR5",
+	};
+	struct nvkm_subdev *subdev = &fb->subdev;
+	int ret;
+
+	nvkm_info(subdev, "%d MiB %s\n", (int)(size >> 20), name[type]);
+	ram->func = func;
+	ram->fb = fb;
+	ram->type = type;
+	ram->size = size;
+
+	if (!nvkm_mm_initialised(&ram->vram)) {
+		ret = nvkm_mm_init(&ram->vram, 0, size >> NVKM_RAM_MM_SHIFT, 1);
+		if (ret)
+			return ret;
+	}
+
+	if (!nvkm_mm_initialised(&ram->tags)) {
+		ret = nvkm_mm_init(&ram->tags, 0, tags ? ++tags : 0, 1);
+		if (ret)
+			return ret;
+
+		nvkm_debug(subdev, "%d compression tags\n", tags);
+	}
+
+	return 0;
+}
+
+int
+nvkm_ram_new_(const struct nvkm_ram_func *func, struct nvkm_fb *fb,
+	      enum nvkm_ram_type type, u64 size, u32 tags,
+	      struct nvkm_ram **pram)
+{
+	if (!(*pram = kzalloc(sizeof(**pram), GFP_KERNEL)))
+		return -ENOMEM;
+	return nvkm_ram_ctor(func, fb, type, size, tags, *pram);
+}
diff --git a/drm/nouveau/nvkm/subdev/fb/ram.h b/drm/nouveau/nvkm/subdev/fb/ram.h
new file mode 100644
index 000000000..f816cbf2c
--- /dev/null
+++ b/drm/nouveau/nvkm/subdev/fb/ram.h
@@ -0,0 +1,50 @@
+#ifndef __NVKM_FB_RAM_PRIV_H__
+#define __NVKM_FB_RAM_PRIV_H__
+#include "priv.h"
+
+int  nvkm_ram_ctor(const struct nvkm_ram_func *, struct nvkm_fb *,
+		   enum nvkm_ram_type, u64 size, u32 tags,
+		   struct nvkm_ram *);
+int  nvkm_ram_new_(const struct nvkm_ram_func *, struct nvkm_fb *,
+		   enum nvkm_ram_type, u64 size, u32 tags,
+		   struct nvkm_ram **);
+void nvkm_ram_del(struct nvkm_ram **);
+int  nvkm_ram_init(struct nvkm_ram *);
+
+extern const struct nvkm_ram_func nv04_ram_func;
+
+int  nv50_ram_ctor(const struct nvkm_ram_func *, struct nvkm_fb *,
+		   struct nvkm_ram *);
+int  nv50_ram_get(struct nvkm_ram *, u64, u32, u32, u32, struct nvkm_mem **);
+void nv50_ram_put(struct nvkm_ram *, struct nvkm_mem **);
+void __nv50_ram_put(struct nvkm_ram *, struct nvkm_mem *);
+
+int  gf100_ram_ctor(const struct nvkm_ram_func *, struct nvkm_fb *,
+		    u32, struct nvkm_ram *);
+int  gf100_ram_get(struct nvkm_ram *, u64, u32, u32, u32, struct nvkm_mem **);
+void gf100_ram_put(struct nvkm_ram *, struct nvkm_mem **);
+
+int  gk104_ram_init(struct nvkm_ram *ram);
+
+/* RAM type-specific MR calculation routines */
+int nvkm_sddr2_calc(struct nvkm_ram *);
+int nvkm_sddr3_calc(struct nvkm_ram *);
+int nvkm_gddr3_calc(struct nvkm_ram *);
+int nvkm_gddr5_calc(struct nvkm_ram *, bool nuts);
+
+int nv04_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int nv10_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int nv1a_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int nv20_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int nv40_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int nv41_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int nv44_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int nv49_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int nv4e_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int nv50_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int gt215_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int mcp77_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int gf100_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int gk104_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int gm107_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+#endif
diff --git a/drm/nouveau/nvkm/subdev/fb/ramgf100.c b/drm/nouveau/nvkm/subdev/fb/ramgf100.c
index af7aaabd2..b579e910e 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramgf100.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramgf100.c
@@ -21,7 +21,8 @@
  *
  * Authors: Ben Skeggs
  */
-#include "gf100.h"
+#define gf100_ram(p) container_of((p), struct gf100_ram, base)
+#include "ram.h"
 #include "ramfuc.h"
 
 #include <core/option.h>
@@ -107,7 +108,7 @@ static void
 gf100_ram_train(struct gf100_ramfuc *fuc, u32 magic)
 {
 	struct gf100_ram *ram = container_of(fuc, typeof(*ram), fuc);
-	struct nvkm_fb *fb = nvkm_fb(ram);
+	struct nvkm_fb *fb = ram->base.fb;
 	struct nvkm_device *device = fb->subdev.device;
 	u32 part = nvkm_rd32(device, 0x022438), i;
 	u32 mask = nvkm_rd32(device, 0x022554);
@@ -124,14 +125,14 @@ gf100_ram_train(struct gf100_ramfuc *fuc, u32 magic)
 }
 
 static int
-gf100_ram_calc(struct nvkm_fb *fb, u32 freq)
+gf100_ram_calc(struct nvkm_ram *base, u32 freq)
 {
-	struct nvkm_subdev *subdev = &fb->subdev;
+	struct gf100_ram *ram = gf100_ram(base);
+	struct gf100_ramfuc *fuc = &ram->fuc;
+	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
 	struct nvkm_device *device = subdev->device;
 	struct nvkm_clk *clk = device->clk;
 	struct nvkm_bios *bios = device->bios;
-	struct gf100_ram *ram = (void *)fb->ram;
-	struct gf100_ramfuc *fuc = &ram->fuc;
 	struct nvbios_ramcfg cfg;
 	u8  ver, cnt, len, strap;
 	struct {
@@ -152,7 +153,7 @@ gf100_ram_calc(struct nvkm_fb *fb, u32 freq)
 	}
 
 	/* locate specific data set for the attached memory */
-	strap = nvbios_ramcfg_index(nv_subdev(fb));
+	strap = nvbios_ramcfg_index(subdev);
 	if (strap >= cnt) {
 		nvkm_error(subdev, "invalid ramcfg strap\n");
 		return -EINVAL;
@@ -177,7 +178,7 @@ gf100_ram_calc(struct nvkm_fb *fb, u32 freq)
 		timing.data = 0;
 	}
 
-	ret = ram_init(fuc, fb);
+	ret = ram_init(fuc, ram->base.fb);
 	if (ret)
 		return ret;
 
@@ -212,8 +213,8 @@ gf100_ram_calc(struct nvkm_fb *fb, u32 freq)
 
 	if (mode == 1 && from == 0) {
 		/* calculate refpll */
-		ret = gt215_pll_calc(nv_subdev(fb), &ram->refpll,
-				     ram->mempll.refclk, &N1, NULL, &M1, &P);
+		ret = gt215_pll_calc(subdev, &ram->refpll, ram->mempll.refclk,
+				     &N1, NULL, &M1, &P);
 		if (ret <= 0) {
 			nvkm_error(subdev, "unable to calc refpll\n");
 			return ret ? ret : -ERANGE;
@@ -227,7 +228,7 @@ gf100_ram_calc(struct nvkm_fb *fb, u32 freq)
 		ram_wait(fuc, 0x137390, 0x00020000, 0x00020000, 64000);
 
 		/* calculate mempll */
-		ret = gt215_pll_calc(nv_subdev(fb), &ram->mempll, freq,
+		ret = gt215_pll_calc(subdev, &ram->mempll, freq,
 				     &N1, NULL, &M1, &P);
 		if (ret <= 0) {
 			nvkm_error(subdev, "unable to calc refpll\n");
@@ -404,49 +405,48 @@ gf100_ram_calc(struct nvkm_fb *fb, u32 freq)
 }
 
 static int
-gf100_ram_prog(struct nvkm_fb *fb)
+gf100_ram_prog(struct nvkm_ram *base)
 {
-	struct nvkm_device *device = nv_device(fb);
-	struct gf100_ram *ram = (void *)fb->ram;
-	struct gf100_ramfuc *fuc = &ram->fuc;
-	ram_exec(fuc, nvkm_boolopt(device->cfgopt, "NvMemExec", true));
+	struct gf100_ram *ram = gf100_ram(base);
+	struct nvkm_device *device = ram->base.fb->subdev.device;
+	ram_exec(&ram->fuc, nvkm_boolopt(device->cfgopt, "NvMemExec", true));
 	return 0;
 }
 
 static void
-gf100_ram_tidy(struct nvkm_fb *fb)
+gf100_ram_tidy(struct nvkm_ram *base)
 {
-	struct gf100_ram *ram = (void *)fb->ram;
-	struct gf100_ramfuc *fuc = &ram->fuc;
-	ram_exec(fuc, false);
+	struct gf100_ram *ram = gf100_ram(base);
+	ram_exec(&ram->fuc, false);
 }
 
 extern const u8 gf100_pte_storage_type_map[256];
 
 void
-gf100_ram_put(struct nvkm_fb *fb, struct nvkm_mem **pmem)
+gf100_ram_put(struct nvkm_ram *ram, struct nvkm_mem **pmem)
 {
-	struct nvkm_ltc *ltc = nvkm_ltc(fb);
+	struct nvkm_ltc *ltc = ram->fb->subdev.device->ltc;
 	struct nvkm_mem *mem = *pmem;
 
 	*pmem = NULL;
 	if (unlikely(mem == NULL))
 		return;
 
-	mutex_lock(&fb->subdev.mutex);
+	mutex_lock(&ram->fb->subdev.mutex);
 	if (mem->tag)
 		ltc->tags_free(ltc, &mem->tag);
-	__nv50_ram_put(fb, mem);
-	mutex_unlock(&fb->subdev.mutex);
+	__nv50_ram_put(ram, mem);
+	mutex_unlock(&ram->fb->subdev.mutex);
 
 	kfree(mem);
 }
 
 int
-gf100_ram_get(struct nvkm_fb *fb, u64 size, u32 align, u32 ncmin,
+gf100_ram_get(struct nvkm_ram *ram, u64 size, u32 align, u32 ncmin,
 	      u32 memtype, struct nvkm_mem **pmem)
 {
-	struct nvkm_mm *mm = &fb->vram;
+	struct nvkm_ltc *ltc = ram->fb->subdev.device->ltc;
+	struct nvkm_mm *mm = &ram->vram;
 	struct nvkm_mm_node *r;
 	struct nvkm_mem *mem;
 	int type = (memtype & 0x0ff);
@@ -454,9 +454,9 @@ gf100_ram_get(struct nvkm_fb *fb, u64 size, u32 align, u32 ncmin,
 	const bool comp = gf100_pte_storage_type_map[type] != type;
 	int ret;
 
-	size  >>= 12;
-	align >>= 12;
-	ncmin >>= 12;
+	size  >>= NVKM_RAM_MM_SHIFT;
+	align >>= NVKM_RAM_MM_SHIFT;
+	ncmin >>= NVKM_RAM_MM_SHIFT;
 	if (!ncmin)
 		ncmin = size;
 
@@ -467,12 +467,10 @@ gf100_ram_get(struct nvkm_fb *fb, u64 size, u32 align, u32 ncmin,
 	INIT_LIST_HEAD(&mem->regions);
 	mem->size = size;
 
-	mutex_lock(&fb->subdev.mutex);
+	mutex_lock(&ram->fb->subdev.mutex);
 	if (comp) {
-		struct nvkm_ltc *ltc = nvkm_ltc(fb);
-
 		/* compression only works with lpages */
-		if (align == (1 << (17 - 12))) {
+		if (align == (1 << (17 - NVKM_RAM_MM_SHIFT))) {
 			int n = size >> 5;
 			ltc->tags_alloc(ltc, n, &mem->tag);
 		}
@@ -488,157 +486,158 @@ gf100_ram_get(struct nvkm_fb *fb, u64 size, u32 align, u32 ncmin,
 		else
 			ret = nvkm_mm_head(mm, 0, 1, size, ncmin, align, &r);
 		if (ret) {
-			mutex_unlock(&fb->subdev.mutex);
-			fb->ram->put(fb, &mem);
+			mutex_unlock(&ram->fb->subdev.mutex);
+			ram->func->put(ram, &mem);
 			return ret;
 		}
 
 		list_add_tail(&r->rl_entry, &mem->regions);
 		size -= r->length;
 	} while (size);
-	mutex_unlock(&fb->subdev.mutex);
+	mutex_unlock(&ram->fb->subdev.mutex);
 
 	r = list_first_entry(&mem->regions, struct nvkm_mm_node, rl_entry);
-	mem->offset = (u64)r->offset << 12;
+	mem->offset = (u64)r->offset << NVKM_RAM_MM_SHIFT;
 	*pmem = mem;
 	return 0;
 }
 
+static int
+gf100_ram_init(struct nvkm_ram *base)
+{
+	static const u8  train0[] = {
+		0x00, 0xff, 0x55, 0xaa, 0x33, 0xcc,
+		0x00, 0xff, 0xff, 0x00, 0xff, 0x00,
+	};
+	static const u32 train1[] = {
+		0x00000000, 0xffffffff,
+		0x55555555, 0xaaaaaaaa,
+		0x33333333, 0xcccccccc,
+		0xf0f0f0f0, 0x0f0f0f0f,
+		0x00ff00ff, 0xff00ff00,
+		0x0000ffff, 0xffff0000,
+	};
+	struct gf100_ram *ram = gf100_ram(base);
+	struct nvkm_device *device = ram->base.fb->subdev.device;
+	int i;
+
+	switch (ram->base.type) {
+	case NVKM_RAM_TYPE_GDDR5:
+		break;
+	default:
+		return 0;
+	}
+
+	/* prepare for ddr link training, and load training patterns */
+	for (i = 0; i < 0x30; i++) {
+		nvkm_wr32(device, 0x10f968, 0x00000000 | (i << 8));
+		nvkm_wr32(device, 0x10f96c, 0x00000000 | (i << 8));
+		nvkm_wr32(device, 0x10f920, 0x00000100 | train0[i % 12]);
+		nvkm_wr32(device, 0x10f924, 0x00000100 | train0[i % 12]);
+		nvkm_wr32(device, 0x10f918,              train1[i % 12]);
+		nvkm_wr32(device, 0x10f91c,              train1[i % 12]);
+		nvkm_wr32(device, 0x10f920, 0x00000000 | train0[i % 12]);
+		nvkm_wr32(device, 0x10f924, 0x00000000 | train0[i % 12]);
+		nvkm_wr32(device, 0x10f918,              train1[i % 12]);
+		nvkm_wr32(device, 0x10f91c,              train1[i % 12]);
+	}
+
+	return 0;
+}
+
+static const struct nvkm_ram_func
+gf100_ram_func = {
+	.init = gf100_ram_init,
+	.get = gf100_ram_get,
+	.put = gf100_ram_put,
+	.calc = gf100_ram_calc,
+	.prog = gf100_ram_prog,
+	.tidy = gf100_ram_tidy,
+};
+
 int
-gf100_ram_create_(struct nvkm_object *parent, struct nvkm_object *engine,
-		  struct nvkm_oclass *oclass, u32 maskaddr, int size,
-		  void **pobject)
+gf100_ram_ctor(const struct nvkm_ram_func *func, struct nvkm_fb *fb,
+	       u32 maskaddr, struct nvkm_ram *ram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
 	struct nvkm_subdev *subdev = &fb->subdev;
 	struct nvkm_device *device = subdev->device;
 	struct nvkm_bios *bios = device->bios;
-	struct nvkm_ram *ram;
-	const u32 rsvd_head = ( 256 * 1024) >> 12; /* vga memory */
-	const u32 rsvd_tail = (1024 * 1024) >> 12; /* vbios etc */
+	const u32 rsvd_head = ( 256 * 1024); /* vga memory */
+	const u32 rsvd_tail = (1024 * 1024); /* vbios etc */
 	u32 parts = nvkm_rd32(device, 0x022438);
 	u32 pmask = nvkm_rd32(device, maskaddr);
-	u32 bsize = nvkm_rd32(device, 0x10f20c);
-	u32 offset, length;
+	u64 bsize = (u64)nvkm_rd32(device, 0x10f20c) << 20;
+	u64 psize, size = 0;
+	enum nvkm_ram_type type = nvkm_fb_bios_memtype(bios);
 	bool uniform = true;
-	int ret, part;
-
-	ret = nvkm_ram_create_(parent, engine, oclass, size, pobject);
-	ram = *pobject;
-	if (ret)
-		return ret;
+	int ret, i;
 
 	nvkm_debug(subdev, "100800: %08x\n", nvkm_rd32(device, 0x100800));
 	nvkm_debug(subdev, "parts %08x mask %08x\n", parts, pmask);
 
-	ram->type = nvkm_fb_bios_memtype(bios);
-	ram->ranks = (nvkm_rd32(device, 0x10f200) & 0x00000004) ? 2 : 1;
-
 	/* read amount of vram attached to each memory controller */
-	for (part = 0; part < parts; part++) {
-		if (!(pmask & (1 << part))) {
-			u32 size = nvkm_rd32(device, 0x11020c + (part * 0x1000));
-			if (size != bsize) {
-				if (size < bsize)
-					bsize = size;
-				uniform = false;
-			}
-
-			nvkm_debug(subdev, "%d: size %08x\n", part, size);
-			ram->size += (u64)size << 20;
+	for (i = 0; i < parts; i++) {
+		if (pmask & (1 << i))
+			continue;
+
+		psize = (u64)nvkm_rd32(device, 0x11020c + (i * 0x1000)) << 20;
+		if (psize != bsize) {
+			if (psize < bsize)
+				bsize = psize;
+			uniform = false;
 		}
+
+		nvkm_debug(subdev, "%d: %d MiB\n", i, (u32)(psize >> 20));
+		size += psize;
 	}
 
+	ret = nvkm_ram_ctor(func, fb, type, size, 0, ram);
+	if (ret)
+		return ret;
+
+	nvkm_mm_fini(&ram->vram);
+
 	/* if all controllers have the same amount attached, there's no holes */
 	if (uniform) {
-		offset = rsvd_head;
-		length = (ram->size >> 12) - rsvd_head - rsvd_tail;
-		ret = nvkm_mm_init(&fb->vram, offset, length, 1);
+		ret = nvkm_mm_init(&ram->vram, rsvd_head >> NVKM_RAM_MM_SHIFT,
+				   (size - rsvd_head - rsvd_tail) >>
+				   NVKM_RAM_MM_SHIFT, 1);
+		if (ret)
+			return ret;
 	} else {
 		/* otherwise, address lowest common amount from 0GiB */
-		ret = nvkm_mm_init(&fb->vram, rsvd_head,
-				   (bsize << 8) * parts - rsvd_head, 1);
+		ret = nvkm_mm_init(&ram->vram, rsvd_head >> NVKM_RAM_MM_SHIFT,
+				   ((bsize * parts) - rsvd_head) >>
+				   NVKM_RAM_MM_SHIFT, 1);
 		if (ret)
 			return ret;
 
 		/* and the rest starting from (8GiB + common_size) */
-		offset = (0x0200000000ULL >> 12) + (bsize << 8);
-		length = (ram->size >> 12) - ((bsize * parts) << 8) - rsvd_tail;
-
-		ret = nvkm_mm_init(&fb->vram, offset, length, 1);
+		ret = nvkm_mm_init(&ram->vram, (0x0200000000ULL + bsize) >>
+				   NVKM_RAM_MM_SHIFT,
+				   (size - (bsize * parts) - rsvd_tail) >>
+				   NVKM_RAM_MM_SHIFT, 1);
 		if (ret)
-			nvkm_mm_fini(&fb->vram);
-	}
-
-	if (ret)
-		return ret;
-
-	ram->get = gf100_ram_get;
-	ram->put = gf100_ram_put;
-	return 0;
-}
-
-static int
-gf100_ram_init(struct nvkm_object *object)
-{
-	struct nvkm_fb *fb = (void *)object->parent;
-	struct nvkm_device *device = fb->subdev.device;
-	struct gf100_ram *ram = (void *)object;
-	int ret, i;
-
-	ret = nvkm_ram_init(&ram->base);
-	if (ret)
-		return ret;
-
-	/* prepare for ddr link training, and load training patterns */
-	switch (ram->base.type) {
-	case NV_MEM_TYPE_GDDR5: {
-		static const u8  train0[] = {
-			0x00, 0xff, 0x55, 0xaa, 0x33, 0xcc,
-			0x00, 0xff, 0xff, 0x00, 0xff, 0x00,
-		};
-		static const u32 train1[] = {
-			0x00000000, 0xffffffff,
-			0x55555555, 0xaaaaaaaa,
-			0x33333333, 0xcccccccc,
-			0xf0f0f0f0, 0x0f0f0f0f,
-			0x00ff00ff, 0xff00ff00,
-			0x0000ffff, 0xffff0000,
-		};
-
-		for (i = 0; i < 0x30; i++) {
-			nvkm_wr32(device, 0x10f968, 0x00000000 | (i << 8));
-			nvkm_wr32(device, 0x10f96c, 0x00000000 | (i << 8));
-			nvkm_wr32(device, 0x10f920, 0x00000100 | train0[i % 12]);
-			nvkm_wr32(device, 0x10f924, 0x00000100 | train0[i % 12]);
-			nvkm_wr32(device, 0x10f918,              train1[i % 12]);
-			nvkm_wr32(device, 0x10f91c,              train1[i % 12]);
-			nvkm_wr32(device, 0x10f920, 0x00000000 | train0[i % 12]);
-			nvkm_wr32(device, 0x10f924, 0x00000000 | train0[i % 12]);
-			nvkm_wr32(device, 0x10f918,              train1[i % 12]);
-			nvkm_wr32(device, 0x10f91c,              train1[i % 12]);
-		}
-	}	break;
-	default:
-		break;
+			return ret;
 	}
 
+	ram->ranks = (nvkm_rd32(device, 0x10f200) & 0x00000004) ? 2 : 1;
 	return 0;
 }
 
-static int
-gf100_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
+int
+gf100_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
 	struct nvkm_subdev *subdev = &fb->subdev;
 	struct nvkm_bios *bios = subdev->device->bios;
 	struct gf100_ram *ram;
 	int ret;
 
-	ret = gf100_ram_create(parent, engine, oclass, 0x022554, &ram);
-	*pobject = nv_object(ram);
+	if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL)))
+		return -ENOMEM;
+	*pram = &ram->base;
+
+	ret = gf100_ram_ctor(&gf100_ram_func, fb, 0x022554, &ram->base);
 	if (ret)
 		return ret;
 
@@ -654,17 +653,6 @@ gf100_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 		return ret;
 	}
 
-	switch (ram->base.type) {
-	case NV_MEM_TYPE_GDDR5:
-		ram->base.calc = gf100_ram_calc;
-		ram->base.prog = gf100_ram_prog;
-		ram->base.tidy = gf100_ram_tidy;
-		break;
-	default:
-		nvkm_warn(subdev, "reclocking of this ram type unsupported\n");
-		return 0;
-	}
-
 	ram->fuc.r_0x10fe20 = ramfuc_reg(0x10fe20);
 	ram->fuc.r_0x10fe24 = ramfuc_reg(0x10fe24);
 	ram->fuc.r_0x137320 = ramfuc_reg(0x137320);
@@ -725,14 +713,3 @@ gf100_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	ram->fuc.r_0x13d8f4 = ramfuc_reg(0x13d8f4);
 	return 0;
 }
-
-struct nvkm_oclass
-gf100_ram_oclass = {
-	.handle = 0,
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gf100_ram_ctor,
-		.dtor = _nvkm_ram_dtor,
-		.init = gf100_ram_init,
-		.fini = _nvkm_ram_fini,
-	}
-};
diff --git a/drm/nouveau/nvkm/subdev/fb/ramgk104.c b/drm/nouveau/nvkm/subdev/fb/ramgk104.c
index 000f45c0f..28cd633db 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramgk104.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramgk104.c
@@ -21,8 +21,9 @@
  *
  * Authors: Ben Skeggs
  */
+#define gk104_ram(p) container_of((p), struct gk104_ram, base)
+#include "ram.h"
 #include "ramfuc.h"
-#include "gf100.h"
 
 #include <core/option.h>
 #include <subdev/bios.h>
@@ -228,7 +229,7 @@ static void
 gk104_ram_nuts(struct gk104_ram *ram, struct ramfuc_reg *reg,
 	       u32 _mask, u32 _data, u32 _copy)
 {
-	struct nvkm_fb *fb = nvkm_fb(ram);
+	struct nvkm_fb *fb = ram->base.fb;
 	struct ramfuc *fuc = &ram->fuc.base;
 	struct nvkm_device *device = fb->subdev.device;
 	u32 addr = 0x110000 + (reg->addr & 0xfff);
@@ -248,9 +249,8 @@ gk104_ram_nuts(struct gk104_ram *ram, struct ramfuc_reg *reg,
 	gk104_ram_nuts((s), &(s)->fuc.r_##r, (m), (d), (c))
 
 static int
-gk104_ram_calc_gddr5(struct nvkm_fb *fb, u32 freq)
+gk104_ram_calc_gddr5(struct gk104_ram *ram, u32 freq)
 {
-	struct gk104_ram *ram = (void *)fb->ram;
 	struct gk104_ramfuc *fuc = &ram->fuc;
 	struct nvkm_ram_data *next = ram->base.next;
 	int vc = !next->bios.ramcfg_11_02_08;
@@ -674,9 +674,8 @@ gk104_ram_calc_gddr5(struct nvkm_fb *fb, u32 freq)
  ******************************************************************************/
 
 static int
-gk104_ram_calc_sddr3(struct nvkm_fb *fb, u32 freq)
+gk104_ram_calc_sddr3(struct gk104_ram *ram, u32 freq)
 {
-	struct gk104_ram *ram = (void *)fb->ram;
 	struct gk104_ramfuc *fuc = &ram->fuc;
 	const u32 rcoef = ((  ram->P1 << 16) | (ram->N1 << 8) | ram->M1);
 	const u32 runk0 = ram->fN1 << 16;
@@ -926,9 +925,9 @@ gk104_ram_calc_sddr3(struct nvkm_fb *fb, u32 freq)
  ******************************************************************************/
 
 static int
-gk104_ram_calc_data(struct nvkm_fb *fb, u32 khz, struct nvkm_ram_data *data)
+gk104_ram_calc_data(struct gk104_ram *ram, u32 khz, struct nvkm_ram_data *data)
 {
-	struct gk104_ram *ram = (void *)fb->ram;
+	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
 	struct nvkm_ram_data *cfg;
 	u32 mhz = khz / 1000;
 
@@ -941,20 +940,19 @@ gk104_ram_calc_data(struct nvkm_fb *fb, u32 khz, struct nvkm_ram_data *data)
 		}
 	}
 
-	nvkm_error(&fb->subdev, "ramcfg data for %dMHz not found\n", mhz);
+	nvkm_error(subdev, "ramcfg data for %dMHz not found\n", mhz);
 	return -EINVAL;
 }
 
 static int
-gk104_ram_calc_xits(struct nvkm_fb *fb, struct nvkm_ram_data *next)
+gk104_ram_calc_xits(struct gk104_ram *ram, struct nvkm_ram_data *next)
 {
-	struct gk104_ram *ram = (void *)fb->ram;
 	struct gk104_ramfuc *fuc = &ram->fuc;
-	struct nvkm_subdev *subdev = &fb->subdev;
+	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
 	int refclk, i;
 	int ret;
 
-	ret = ram_init(fuc, fb);
+	ret = ram_init(fuc, ram->base.fb);
 	if (ret)
 		return ret;
 
@@ -974,7 +972,7 @@ gk104_ram_calc_xits(struct nvkm_fb *fb, struct nvkm_ram_data *next)
 		refclk = fuc->mempll.refclk;
 
 	/* calculate refpll coefficients */
-	ret = gt215_pll_calc(nv_subdev(fb), &fuc->refpll, refclk, &ram->N1,
+	ret = gt215_pll_calc(subdev, &fuc->refpll, refclk, &ram->N1,
 			     &ram->fN1, &ram->M1, &ram->P1);
 	fuc->mempll.refclk = ret;
 	if (ret <= 0) {
@@ -991,7 +989,7 @@ gk104_ram_calc_xits(struct nvkm_fb *fb, struct nvkm_ram_data *next)
 		fuc->mempll.min_p = 1;
 		fuc->mempll.max_p = 2;
 
-		ret = gt215_pll_calc(nv_subdev(fb), &fuc->mempll, next->freq,
+		ret = gt215_pll_calc(subdev, &fuc->mempll, next->freq,
 				     &ram->N2, NULL, &ram->M2, &ram->P2);
 		if (ret <= 0) {
 			nvkm_error(subdev, "unable to calc mempll\n");
@@ -1006,15 +1004,15 @@ gk104_ram_calc_xits(struct nvkm_fb *fb, struct nvkm_ram_data *next)
 	ram->base.freq = next->freq;
 
 	switch (ram->base.type) {
-	case NV_MEM_TYPE_DDR3:
+	case NVKM_RAM_TYPE_DDR3:
 		ret = nvkm_sddr3_calc(&ram->base);
 		if (ret == 0)
-			ret = gk104_ram_calc_sddr3(fb, next->freq);
+			ret = gk104_ram_calc_sddr3(ram, next->freq);
 		break;
-	case NV_MEM_TYPE_GDDR5:
+	case NVKM_RAM_TYPE_GDDR5:
 		ret = nvkm_gddr5_calc(&ram->base, ram->pnuts != 0);
 		if (ret == 0)
-			ret = gk104_ram_calc_gddr5(fb, next->freq);
+			ret = gk104_ram_calc_gddr5(ram, next->freq);
 		break;
 	default:
 		ret = -ENOSYS;
@@ -1025,21 +1023,21 @@ gk104_ram_calc_xits(struct nvkm_fb *fb, struct nvkm_ram_data *next)
 }
 
 static int
-gk104_ram_calc(struct nvkm_fb *fb, u32 freq)
+gk104_ram_calc(struct nvkm_ram *base, u32 freq)
 {
-	struct nvkm_clk *clk = nvkm_clk(fb);
-	struct gk104_ram *ram = (void *)fb->ram;
+	struct gk104_ram *ram = gk104_ram(base);
+	struct nvkm_clk *clk = ram->base.fb->subdev.device->clk;
 	struct nvkm_ram_data *xits = &ram->base.xition;
 	struct nvkm_ram_data *copy;
 	int ret;
 
 	if (ram->base.next == NULL) {
-		ret = gk104_ram_calc_data(fb, clk->read(clk, nv_clk_src_mem),
+		ret = gk104_ram_calc_data(ram, clk->read(clk, nv_clk_src_mem),
 					  &ram->base.former);
 		if (ret)
 			return ret;
 
-		ret = gk104_ram_calc_data(fb, freq, &ram->base.target);
+		ret = gk104_ram_calc_data(ram, freq, &ram->base.target);
 		if (ret)
 			return ret;
 
@@ -1063,14 +1061,13 @@ gk104_ram_calc(struct nvkm_fb *fb, u32 freq)
 		ram->base.next = &ram->base.target;
 	}
 
-	return gk104_ram_calc_xits(fb, ram->base.next);
+	return gk104_ram_calc_xits(ram, ram->base.next);
 }
 
 static void
-gk104_ram_prog_0(struct nvkm_fb *fb, u32 freq)
+gk104_ram_prog_0(struct gk104_ram *ram, u32 freq)
 {
-	struct nvkm_device *device = fb->subdev.device;
-	struct gk104_ram *ram = (void *)fb->ram;
+	struct nvkm_device *device = ram->base.fb->subdev.device;
 	struct nvkm_ram_data *cfg;
 	u32 mhz = freq / 1000;
 	u32 mask, data;
@@ -1144,11 +1141,11 @@ gk104_ram_prog_0(struct nvkm_fb *fb, u32 freq)
 }
 
 static int
-gk104_ram_prog(struct nvkm_fb *fb)
+gk104_ram_prog(struct nvkm_ram *base)
 {
-	struct nvkm_device *device = nv_device(fb);
-	struct gk104_ram *ram = (void *)fb->ram;
+	struct gk104_ram *ram = gk104_ram(base);
 	struct gk104_ramfuc *fuc = &ram->fuc;
+	struct nvkm_device *device = ram->base.fb->subdev.device;
 	struct nvkm_ram_data *next = ram->base.next;
 
 	if (!nvkm_boolopt(device->cfgopt, "NvMemExec", true)) {
@@ -1156,20 +1153,19 @@ gk104_ram_prog(struct nvkm_fb *fb)
 		return (ram->base.next == &ram->base.xition);
 	}
 
-	gk104_ram_prog_0(fb, 1000);
+	gk104_ram_prog_0(ram, 1000);
 	ram_exec(fuc, true);
-	gk104_ram_prog_0(fb, next->freq);
+	gk104_ram_prog_0(ram, next->freq);
 
 	return (ram->base.next == &ram->base.xition);
 }
 
 static void
-gk104_ram_tidy(struct nvkm_fb *fb)
+gk104_ram_tidy(struct nvkm_ram *base)
 {
-	struct gk104_ram *ram = (void *)fb->ram;
-	struct gk104_ramfuc *fuc = &ram->fuc;
+	struct gk104_ram *ram = gk104_ram(base);
 	ram->base.next = NULL;
-	ram_exec(fuc, false);
+	ram_exec(&ram->fuc, false);
 }
 
 struct gk104_ram_train {
@@ -1185,10 +1181,10 @@ struct gk104_ram_train {
 };
 
 static int
-gk104_ram_train_type(struct nvkm_fb *fb, int i, u8 ramcfg,
+gk104_ram_train_type(struct nvkm_ram *ram, int i, u8 ramcfg,
 		     struct gk104_ram_train *train)
 {
-	struct nvkm_bios *bios = nvkm_bios(fb);
+	struct nvkm_bios *bios = ram->fb->subdev.device->bios;
 	struct nvbios_M0205E M0205E;
 	struct nvbios_M0205S M0205S;
 	struct nvbios_M0209E M0209E;
@@ -1246,9 +1242,9 @@ gk104_ram_train_type(struct nvkm_fb *fb, int i, u8 ramcfg,
 }
 
 static int
-gk104_ram_train_init_0(struct nvkm_fb *fb, struct gk104_ram_train *train)
+gk104_ram_train_init_0(struct nvkm_ram *ram, struct gk104_ram_train *train)
 {
-	struct nvkm_subdev *subdev = &fb->subdev;
+	struct nvkm_subdev *subdev = &ram->fb->subdev;
 	struct nvkm_device *device = subdev->device;
 	int i, j;
 
@@ -1282,9 +1278,9 @@ gk104_ram_train_init_0(struct nvkm_fb *fb, struct gk104_ram_train *train)
 }
 
 static int
-gk104_ram_train_init(struct nvkm_fb *fb)
+gk104_ram_train_init(struct nvkm_ram *ram)
 {
-	u8 ramcfg = nvbios_ramcfg_index(nv_subdev(fb));
+	u8 ramcfg = nvbios_ramcfg_index(&ram->fb->subdev);
 	struct gk104_ram_train *train;
 	int ret, i;
 
@@ -1292,14 +1288,14 @@ gk104_ram_train_init(struct nvkm_fb *fb)
 		return -ENOMEM;
 
 	for (i = 0; i < 0x100; i++) {
-		ret = gk104_ram_train_type(fb, i, ramcfg, train);
+		ret = gk104_ram_train_type(ram, i, ramcfg, train);
 		if (ret && ret != -ENOENT)
 			break;
 	}
 
-	switch (fb->ram->type) {
-	case NV_MEM_TYPE_GDDR5:
-		ret = gk104_ram_train_init_0(fb, train);
+	switch (ram->type) {
+	case NVKM_RAM_TYPE_GDDR5:
+		ret = gk104_ram_train_init_0(ram, train);
 		break;
 	default:
 		ret = 0;
@@ -1311,19 +1307,14 @@ gk104_ram_train_init(struct nvkm_fb *fb)
 }
 
 int
-gk104_ram_init(struct nvkm_object *object)
+gk104_ram_init(struct nvkm_ram *ram)
 {
-	struct nvkm_fb *fb = (void *)object->parent;
-	struct gk104_ram *ram   = (void *)object;
-	struct nvkm_device *device = fb->subdev.device;
+	struct nvkm_subdev *subdev = &ram->fb->subdev;
+	struct nvkm_device *device = subdev->device;
 	struct nvkm_bios *bios = device->bios;
 	u8  ver, hdr, cnt, len, snr, ssz;
 	u32 data, save;
-	int ret, i;
-
-	ret = nvkm_ram_init(&ram->base);
-	if (ret)
-		return ret;
+	int i;
 
 	/* run a bunch of tables from rammap table.  there's actually
 	 * individual pointers for each rammap entry too, but, nvidia
@@ -1347,7 +1338,7 @@ gk104_ram_init(struct nvkm_object *object)
 		if (i != save >> 4) {
 			nvkm_mask(device, 0x10f65c, 0x000000f0, i << 4);
 			nvbios_exec(&(struct nvbios_init) {
-					.subdev = nv_subdev(fb),
+					.subdev = subdev,
 					.bios = bios,
 					.offset = nvbios_rd32(bios, data),
 					.execute = 1,
@@ -1359,14 +1350,13 @@ gk104_ram_init(struct nvkm_object *object)
 	nvkm_wr32(device, 0x10ecc0, 0xffffffff);
 	nvkm_mask(device, 0x10f160, 0x00000010, 0x00000010);
 
-	return gk104_ram_train_init(fb);
+	return gk104_ram_train_init(ram);
 }
 
 static int
 gk104_ram_ctor_data(struct gk104_ram *ram, u8 ramcfg, int i)
 {
-	struct nvkm_fb *fb = (void *)nv_object(ram)->parent;
-	struct nvkm_bios *bios = nvkm_bios(fb);
+	struct nvkm_bios *bios = ram->base.fb->subdev.device->bios;
 	struct nvkm_ram_data *cfg;
 	struct nvbios_ramcfg *d = &ram->diff;
 	struct nvbios_ramcfg *p, *n;
@@ -1432,25 +1422,33 @@ done:
 	return ret;
 }
 
-static void
-gk104_ram_dtor(struct nvkm_object *object)
+static void *
+gk104_ram_dtor(struct nvkm_ram *base)
 {
-	struct gk104_ram *ram = (void *)object;
+	struct gk104_ram *ram = gk104_ram(base);
 	struct nvkm_ram_data *cfg, *tmp;
 
 	list_for_each_entry_safe(cfg, tmp, &ram->cfg, head) {
 		kfree(cfg);
 	}
 
-	nvkm_ram_destroy(&ram->base);
+	return ram;
 }
 
-static int
-gk104_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
+static const struct nvkm_ram_func
+gk104_ram_func = {
+	.dtor = gk104_ram_dtor,
+	.init = gk104_ram_init,
+	.get = gf100_ram_get,
+	.put = gf100_ram_put,
+	.calc = gk104_ram_calc,
+	.prog = gk104_ram_prog,
+	.tidy = gk104_ram_tidy,
+};
+
+int
+gk104_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
 	struct nvkm_subdev *subdev = &fb->subdev;
 	struct nvkm_device *device = subdev->device;
 	struct nvkm_bios *bios = device->bios;
@@ -1461,25 +1459,16 @@ gk104_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	u8  ramcfg = nvbios_ramcfg_index(nv_subdev(fb));
 	u32 tmp;
 
-	ret = gf100_ram_create(parent, engine, oclass, 0x022554, &ram);
-	*pobject = nv_object(ram);
+	if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL)))
+		return -ENOMEM;
+	*pram = &ram->base;
+
+	ret = gf100_ram_ctor(&gk104_ram_func, fb, 0x022554, &ram->base);
 	if (ret)
 		return ret;
 
 	INIT_LIST_HEAD(&ram->cfg);
 
-	switch (ram->base.type) {
-	case NV_MEM_TYPE_DDR3:
-	case NV_MEM_TYPE_GDDR5:
-		ram->base.calc = gk104_ram_calc;
-		ram->base.prog = gk104_ram_prog;
-		ram->base.tidy = gk104_ram_tidy;
-		break;
-	default:
-		nvkm_warn(subdev, "reclocking of this RAM type is unsupported\n");
-		break;
-	}
-
 	/* calculate a mask of differently configured memory partitions,
 	 * because, of course reclocking wasn't complicated enough
 	 * already without having to treat some of them differently to
@@ -1596,7 +1585,7 @@ gk104_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	ram->fuc.r_0x10f914 = ramfuc_reg(0x10f914);
 
 	switch (ram->base.type) {
-	case NV_MEM_TYPE_GDDR5:
+	case NVKM_RAM_TYPE_GDDR5:
 		ram->fuc.r_mr[0] = ramfuc_reg(0x10f300);
 		ram->fuc.r_mr[1] = ramfuc_reg(0x10f330);
 		ram->fuc.r_mr[2] = ramfuc_reg(0x10f334);
@@ -1608,7 +1597,7 @@ gk104_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 		ram->fuc.r_mr[8] = ramfuc_reg(0x10f354);
 		ram->fuc.r_mr[15] = ramfuc_reg(0x10f34c);
 		break;
-	case NV_MEM_TYPE_DDR3:
+	case NVKM_RAM_TYPE_DDR3:
 		ram->fuc.r_mr[0] = ramfuc_reg(0x10f300);
 		ram->fuc.r_mr[2] = ramfuc_reg(0x10f320);
 		break;
@@ -1634,14 +1623,3 @@ gk104_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	ram->fuc.r_0x100750 = ramfuc_reg(0x100750);
 	return 0;
 }
-
-struct nvkm_oclass
-gk104_ram_oclass = {
-	.handle = 0,
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gk104_ram_ctor,
-		.dtor = gk104_ram_dtor,
-		.init = gk104_ram_init,
-		.fini = _nvkm_ram_fini,
-	}
-};
diff --git a/drm/nouveau/nvkm/subdev/fb/ramgm107.c b/drm/nouveau/nvkm/subdev/fb/ramgm107.c
index 40079eb44..43d807f6c 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramgm107.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramgm107.c
@@ -21,31 +21,20 @@
  *
  * Authors: Ben Skeggs
  */
-#include "gf100.h"
+#include "ram.h"
 
-static int
-gm107_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
-{
-	struct nvkm_ram *ram;
-	int ret;
+static const struct nvkm_ram_func
+gm107_ram_func = {
+	.init = gk104_ram_init,
+	.get = gf100_ram_get,
+	.put = gf100_ram_put,
+};
 
-	ret = gf100_ram_create(parent, engine, oclass, 0x021c14, &ram);
-	*pobject = nv_object(ram);
-	if (ret)
-		return ret;
+int
+gm107_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
+{
+	if (!(*pram = kzalloc(sizeof(**pram), GFP_KERNEL)))
+		return -ENOMEM;
 
-	return 0;
+	return gf100_ram_ctor(&gm107_ram_func, fb, 0x021c14, *pram);
 }
-
-struct nvkm_oclass
-gm107_ram_oclass = {
-	.handle = 0,
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gm107_ram_ctor,
-		.dtor = _nvkm_ram_dtor,
-		.init = gk104_ram_init,
-		.fini = _nvkm_ram_fini,
-	}
-};
diff --git a/drm/nouveau/nvkm/subdev/fb/ramgt215.c b/drm/nouveau/nvkm/subdev/fb/ramgt215.c
index 660079bb4..2cfedc0e1 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramgt215.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramgt215.c
@@ -22,9 +22,9 @@
  * Authors: Ben Skeggs
  * 	    Roy Spliet <rspliet@eclipso.eu>
  */
-
+#define gt215_ram(p) container_of((p), struct gt215_ram, base)
+#include "ram.h"
 #include "ramfuc.h"
-#include "nv50.h"
 
 #include <core/option.h>
 #include <subdev/bios.h>
@@ -153,12 +153,11 @@ gt215_link_train_calc(u32 *vals, struct gt215_ltrain *train)
  * Link training for (at least) DDR3
  */
 int
-gt215_link_train(struct nvkm_fb *fb)
+gt215_link_train(struct gt215_ram *ram)
 {
-	struct gt215_ram *ram = (void *)fb->ram;
 	struct gt215_ltrain *train = &ram->ltrain;
 	struct gt215_ramfuc *fuc = &ram->fuc;
-	struct nvkm_subdev *subdev = &fb->subdev;
+	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
 	struct nvkm_device *device = subdev->device;
 	struct nvkm_bios *bios = device->bios;
 	struct nvkm_clk *clk = device->clk;
@@ -194,7 +193,7 @@ gt215_link_train(struct nvkm_fb *fb)
 		goto out;
 
 	/* First: clock up/down */
-	ret = ram->base.calc(fb, (u32) M0205T.freq * 1000);
+	ret = ram->base.func->calc(&ram->base, (u32) M0205T.freq * 1000);
 	if (ret)
 		goto out;
 
@@ -237,7 +236,7 @@ gt215_link_train(struct nvkm_fb *fb)
 
 	ram_exec(fuc, true);
 
-	ram->base.calc(fb, clk_current);
+	ram->base.func->calc(&ram->base, clk_current);
 	ram_exec(fuc, true);
 
 	/* Post-processing, avoids flicker */
@@ -246,7 +245,7 @@ gt215_link_train(struct nvkm_fb *fb)
 
 	gt215_clk_post(clk, f);
 
-	ram_train_result(fb, result, 64);
+	ram_train_result(ram->base.fb, result, 64);
 	for (i = 0; i < 64; i++)
 		nvkm_debug(subdev, "Train: %08x", result[i]);
 	gt215_link_train_calc(result, train);
@@ -272,7 +271,7 @@ out:
 }
 
 int
-gt215_link_train_init(struct nvkm_fb *fb)
+gt215_link_train_init(struct gt215_ram *ram)
 {
 	static const u32 pattern[16] = {
 		0xaaaaaaaa, 0xcccccccc, 0xdddddddd, 0xeeeeeeee,
@@ -280,10 +279,9 @@ gt215_link_train_init(struct nvkm_fb *fb)
 		0x33333333, 0x55555555, 0x77777777, 0x66666666,
 		0x99999999, 0x88888888, 0xeeeeeeee, 0xbbbbbbbb,
 	};
-	struct nvkm_device *device = fb->subdev.device;
-	struct nvkm_bios *bios = device->bios;
-	struct gt215_ram *ram = (void *)fb->ram;
 	struct gt215_ltrain *train = &ram->ltrain;
+	struct nvkm_device *device = ram->base.fb->subdev.device;
+	struct nvkm_bios *bios = device->bios;
 	struct nvkm_mem *mem;
 	struct nvbios_M0205E M0205E;
 	u8 ver, hdr, cnt, len;
@@ -302,7 +300,8 @@ gt215_link_train_init(struct nvkm_fb *fb)
 
 	train->state = NVA3_TRAIN_ONCE;
 
-	ret = fb->ram->get(fb, 0x8000, 0x10000, 0, 0x800, &ram->ltrain.mem);
+	ret = ram->base.func->get(&ram->base, 0x8000, 0x10000, 0, 0x800,
+				  &ram->ltrain.mem);
 	if (ret)
 		return ret;
 
@@ -338,12 +337,10 @@ gt215_link_train_init(struct nvkm_fb *fb)
 }
 
 void
-gt215_link_train_fini(struct nvkm_fb *fb)
+gt215_link_train_fini(struct gt215_ram *ram)
 {
-	struct gt215_ram *ram = (void *)fb->ram;
-
 	if (ram->ltrain.mem)
-		fb->ram->put(fb, &ram->ltrain.mem);
+		ram->base.func->put(&ram->base, &ram->ltrain.mem);
 }
 
 /*
@@ -351,11 +348,10 @@ gt215_link_train_fini(struct nvkm_fb *fb)
  */
 #define T(t) cfg->timing_10_##t
 static int
-gt215_ram_timing_calc(struct nvkm_fb *fb, u32 *timing)
+gt215_ram_timing_calc(struct gt215_ram *ram, u32 *timing)
 {
-	struct gt215_ram *ram = (void *)fb->ram;
 	struct nvbios_ramcfg *cfg = &ram->base.target.bios;
-	struct nvkm_subdev *subdev = &fb->subdev;
+	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
 	struct nvkm_device *device = subdev->device;
 	int tUNK_base, tUNK_40_0, prevCL;
 	u32 cur2, cur3, cur7, cur8;
@@ -367,10 +363,10 @@ gt215_ram_timing_calc(struct nvkm_fb *fb, u32 *timing)
 
 
 	switch ((!T(CWL)) * ram->base.type) {
-	case NV_MEM_TYPE_DDR2:
+	case NVKM_RAM_TYPE_DDR2:
 		T(CWL) = T(CL) - 1;
 		break;
-	case NV_MEM_TYPE_GDDR3:
+	case NVKM_RAM_TYPE_GDDR3:
 		T(CWL) = ((cur2 & 0xff000000) >> 24) + 1;
 		break;
 	}
@@ -408,8 +404,8 @@ gt215_ram_timing_calc(struct nvkm_fb *fb, u32 *timing)
 	timing[8] = cur8 & 0xffffff00;
 
 	switch (ram->base.type) {
-	case NV_MEM_TYPE_DDR2:
-	case NV_MEM_TYPE_GDDR3:
+	case NVKM_RAM_TYPE_DDR2:
+	case NVKM_RAM_TYPE_GDDR3:
 		tUNK_40_0 = prevCL - (cur8 & 0xff);
 		if (tUNK_40_0 > 0)
 			timing[8] |= T(CL);
@@ -493,12 +489,12 @@ gt215_ram_fbvref(struct gt215_ramfuc *fuc, u32 val)
 }
 
 static int
-gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
+gt215_ram_calc(struct nvkm_ram *base, u32 freq)
 {
-	struct gt215_ram *ram = (void *)fb->ram;
+	struct gt215_ram *ram = gt215_ram(base);
 	struct gt215_ramfuc *fuc = &ram->fuc;
 	struct gt215_ltrain *train = &ram->ltrain;
-	struct nvkm_subdev *subdev = &fb->subdev;
+	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
 	struct nvkm_device *device = subdev->device;
 	struct nvkm_bios *bios = device->bios;
 	struct gt215_clk_info mclk;
@@ -516,7 +512,7 @@ gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
 	ram->base.next = next;
 
 	if (ram->ltrain.state == NVA3_TRAIN_ONCE)
-		gt215_link_train(fb);
+		gt215_link_train(ram);
 
 	/* lookup memory config data relevant to the target frequency */
 	data = nvbios_rammapEm(bios, freq / 1000, &ver, &hdr, &cnt, &len,
@@ -527,7 +523,7 @@ gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
 	}
 
 	/* locate specific data set for the attached memory */
-	strap = nvbios_ramcfg_index(nv_subdev(fb));
+	strap = nvbios_ramcfg_index(subdev);
 	if (strap >= cnt) {
 		nvkm_error(subdev, "invalid ramcfg strap\n");
 		return -EINVAL;
@@ -551,15 +547,15 @@ gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
 		}
 	}
 
-	ret = gt215_pll_info(nvkm_clk(fb), 0x12, 0x4000, freq, &mclk);
+	ret = gt215_pll_info(device->clk, 0x12, 0x4000, freq, &mclk);
 	if (ret < 0) {
 		nvkm_error(subdev, "failed mclk calculation\n");
 		return ret;
 	}
 
-	gt215_ram_timing_calc(fb, timing);
+	gt215_ram_timing_calc(ram, timing);
 
-	ret = ram_init(fuc, fb);
+	ret = ram_init(fuc, ram->base.fb);
 	if (ret)
 		return ret;
 
@@ -569,13 +565,13 @@ gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
 	ram->base.mr[2] = ram_rd32(fuc, mr[2]);
 
 	switch (ram->base.type) {
-	case NV_MEM_TYPE_DDR2:
+	case NVKM_RAM_TYPE_DDR2:
 		ret = nvkm_sddr2_calc(&ram->base);
 		break;
-	case NV_MEM_TYPE_DDR3:
+	case NVKM_RAM_TYPE_DDR3:
 		ret = nvkm_sddr3_calc(&ram->base);
 		break;
-	case NV_MEM_TYPE_GDDR3:
+	case NVKM_RAM_TYPE_GDDR3:
 		ret = nvkm_gddr3_calc(&ram->base);
 		break;
 	default:
@@ -630,7 +626,7 @@ gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
 	ram_nsec(fuc, 2000);
 
 	if (!next->bios.ramcfg_10_02_10) {
-		if (ram->base.type == NV_MEM_TYPE_GDDR3)
+		if (ram->base.type == NVKM_RAM_TYPE_GDDR3)
 			ram_mask(fuc, 0x111100, 0x04020000, 0x00020000);
 		else
 			ram_mask(fuc, 0x111100, 0x04020000, 0x04020000);
@@ -638,10 +634,10 @@ gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
 
 	/* If we're disabling the DLL, do it now */
 	switch (next->bios.ramcfg_DLLoff * ram->base.type) {
-	case NV_MEM_TYPE_DDR3:
+	case NVKM_RAM_TYPE_DDR3:
 		nvkm_sddr3_dll_disable(fuc, ram->base.mr);
 		break;
-	case NV_MEM_TYPE_GDDR3:
+	case NVKM_RAM_TYPE_GDDR3:
 		nvkm_gddr3_dll_disable(fuc, ram->base.mr);
 		break;
 	}
@@ -657,7 +653,7 @@ gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
 	ram_wr32(fuc, 0x1002dc, 0x00000001);
 	ram_nsec(fuc, 2000);
 
-	if (nv_device(fb)->chipset == 0xa3 && freq <= 500000)
+	if (device->chipset == 0xa3 && freq <= 500000)
 		ram_mask(fuc, 0x100700, 0x00000006, 0x00000006);
 
 	/* Fiddle with clocks */
@@ -715,7 +711,7 @@ gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
 		ram_mask(fuc, 0x1007e0, 0x22222222, r100760);
 	}
 
-	if (nv_device(fb)->chipset == 0xa3 && freq > 500000) {
+	if (device->chipset == 0xa3 && freq > 500000) {
 		ram_mask(fuc, 0x100700, 0x00000006, 0x00000000);
 	}
 
@@ -759,11 +755,11 @@ gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
 
 	if (next->bios.ramcfg_10_02_04) {
 		switch (ram->base.type) {
-		case NV_MEM_TYPE_DDR3:
-			if (nv_device(fb)->chipset != 0xa8)
+		case NVKM_RAM_TYPE_DDR3:
+			if (device->chipset != 0xa8)
 				r111100 |= 0x00000004;
 			/* no break */
-		case NV_MEM_TYPE_DDR2:
+		case NVKM_RAM_TYPE_DDR2:
 			r111100 |= 0x08000000;
 			break;
 		default:
@@ -771,12 +767,12 @@ gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
 		}
 	} else {
 		switch (ram->base.type) {
-		case NV_MEM_TYPE_DDR2:
+		case NVKM_RAM_TYPE_DDR2:
 			r111100 |= 0x1a800000;
 			unk714  |= 0x00000010;
 			break;
-		case NV_MEM_TYPE_DDR3:
-			if (nv_device(fb)->chipset == 0xa8) {
+		case NVKM_RAM_TYPE_DDR3:
+			if (device->chipset == 0xa8) {
 				r111100 |=  0x08000000;
 			} else {
 				r111100 &= ~0x00000004;
@@ -784,7 +780,7 @@ gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
 			}
 			unk714  |= 0x00000010;
 			break;
-		case NV_MEM_TYPE_GDDR3:
+		case NVKM_RAM_TYPE_GDDR3:
 			r111100 |= 0x30000000;
 			unk714  |= 0x00000020;
 			break;
@@ -820,13 +816,13 @@ gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
 	if (!next->bios.ramcfg_DLLoff)
 		nvkm_sddr2_dll_reset(fuc);
 
-	if (ram->base.type == NV_MEM_TYPE_GDDR3) {
+	if (ram->base.type == NVKM_RAM_TYPE_GDDR3) {
 		ram_nsec(fuc, 31000);
 	} else {
 		ram_nsec(fuc, 14000);
 	}
 
-	if (ram->base.type == NV_MEM_TYPE_DDR3) {
+	if (ram->base.type == NVKM_RAM_TYPE_DDR3) {
 		ram_wr32(fuc, 0x100264, 0x1);
 		ram_nsec(fuc, 2000);
 	}
@@ -862,11 +858,11 @@ gt215_ram_calc(struct nvkm_fb *fb, u32 freq)
 }
 
 static int
-gt215_ram_prog(struct nvkm_fb *fb)
+gt215_ram_prog(struct nvkm_ram *base)
 {
-	struct nvkm_device *device = nv_device(fb);
-	struct gt215_ram *ram = (void *)fb->ram;
+	struct gt215_ram *ram = gt215_ram(base);
 	struct gt215_ramfuc *fuc = &ram->fuc;
+	struct nvkm_device *device = ram->base.fb->subdev.device;
 	bool exec = nvkm_boolopt(device->cfgopt, "NvMemExec", true);
 
 	if (exec) {
@@ -887,70 +883,56 @@ gt215_ram_prog(struct nvkm_fb *fb)
 }
 
 static void
-gt215_ram_tidy(struct nvkm_fb *fb)
+gt215_ram_tidy(struct nvkm_ram *base)
 {
-	struct gt215_ram *ram = (void *)fb->ram;
-	struct gt215_ramfuc *fuc = &ram->fuc;
-	ram_exec(fuc, false);
+	struct gt215_ram *ram = gt215_ram(base);
+	ram_exec(&ram->fuc, false);
 }
 
 static int
-gt215_ram_init(struct nvkm_object *object)
+gt215_ram_init(struct nvkm_ram *base)
 {
-	struct nvkm_fb *fb = (void *)object->parent;
-	struct gt215_ram   *ram = (void *)object;
-	int ret;
-
-	ret = nvkm_ram_init(&ram->base);
-	if (ret)
-		return ret;
-
-	gt215_link_train_init(fb);
+	struct gt215_ram *ram = gt215_ram(base);
+	gt215_link_train_init(ram);
 	return 0;
 }
 
-static int
-gt215_ram_fini(struct nvkm_object *object, bool suspend)
+static void *
+gt215_ram_dtor(struct nvkm_ram *base)
 {
-	struct nvkm_fb *fb = (void *)object->parent;
-
-	if (!suspend)
-		gt215_link_train_fini(fb);
-
-	return 0;
+	struct gt215_ram *ram = gt215_ram(base);
+	gt215_link_train_fini(ram);
+	return ram;
 }
 
-static int
-gt215_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 datasize,
-	       struct nvkm_object **pobject)
+static const struct nvkm_ram_func
+gt215_ram_func = {
+	.dtor = gt215_ram_dtor,
+	.init = gt215_ram_init,
+	.get = nv50_ram_get,
+	.put = nv50_ram_put,
+	.calc = gt215_ram_calc,
+	.prog = gt215_ram_prog,
+	.tidy = gt215_ram_tidy,
+};
+
+int
+gt215_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
-	struct nvkm_subdev *subdev = &fb->subdev;
-	struct nvkm_gpio *gpio = subdev->device->gpio;
+	struct nvkm_gpio *gpio = fb->subdev.device->gpio;
 	struct dcb_gpio_func func;
 	struct gt215_ram *ram;
-	int ret, i;
 	u32 reg, shift;
+	int ret, i;
+
+	if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL)))
+		return -ENOMEM;
+	*pram = &ram->base;
 
-	ret = nv50_ram_create(parent, engine, oclass, &ram);
-	*pobject = nv_object(ram);
+	ret = nv50_ram_ctor(&gt215_ram_func, fb, &ram->base);
 	if (ret)
 		return ret;
 
-	switch (ram->base.type) {
-	case NV_MEM_TYPE_DDR2:
-	case NV_MEM_TYPE_DDR3:
-	case NV_MEM_TYPE_GDDR3:
-		ram->base.calc = gt215_ram_calc;
-		ram->base.prog = gt215_ram_prog;
-		ram->base.tidy = gt215_ram_tidy;
-		break;
-	default:
-		nvkm_warn(subdev, "reclocking of this ram type unsupported\n");
-		return 0;
-	}
-
 	ram->fuc.r_0x001610 = ramfuc_reg(0x001610);
 	ram->fuc.r_0x001700 = ramfuc_reg(0x001700);
 	ram->fuc.r_0x002504 = ramfuc_reg(0x002504);
@@ -1008,13 +990,3 @@ gt215_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 
 	return 0;
 }
-
-struct nvkm_oclass
-gt215_ram_oclass = {
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gt215_ram_ctor,
-		.dtor = _nvkm_ram_dtor,
-		.init = gt215_ram_init,
-		.fini = gt215_ram_fini,
-	},
-};
diff --git a/drm/nouveau/nvkm/subdev/fb/rammcp77.c b/drm/nouveau/nvkm/subdev/fb/rammcp77.c
index e1d82ab25..0a0e44b75 100644
--- a/drm/nouveau/nvkm/subdev/fb/rammcp77.c
+++ b/drm/nouveau/nvkm/subdev/fb/rammcp77.c
@@ -21,7 +21,8 @@
  *
  * Authors: Ben Skeggs
  */
-#include "nv50.h"
+#define mcp77_ram(p) container_of((p), struct mcp77_ram, base)
+#include "ram.h"
 
 struct mcp77_ram {
 	struct nvkm_ram base;
@@ -29,56 +30,13 @@ struct mcp77_ram {
 };
 
 static int
-mcp77_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 datasize,
-	       struct nvkm_object **pobject)
+mcp77_ram_init(struct nvkm_ram *base)
 {
-	u32 rsvd_head = ( 256 * 1024); /* vga memory */
-	u32 rsvd_tail = (1024 * 1024); /* vbios etc */
-	struct nvkm_fb *fb = nvkm_fb(parent);
-	struct nvkm_device *device = fb->subdev.device;
-	struct mcp77_ram *ram;
-	int ret;
-
-	ret = nvkm_ram_create(parent, engine, oclass, &ram);
-	*pobject = nv_object(fb);
-	if (ret)
-		return ret;
-
-	ram->base.type   = NV_MEM_TYPE_STOLEN;
-	ram->base.stolen = (u64)nvkm_rd32(device, 0x100e10) << 12;
-	ram->base.size   = (u64)nvkm_rd32(device, 0x100e14) << 12;
-
-	rsvd_tail += 0x1000;
-	ram->poller_base = ram->base.size - rsvd_tail;
-
-	ret = nvkm_mm_init(&fb->vram, rsvd_head >> 12,
-			   (ram->base.size  - (rsvd_head + rsvd_tail)) >> 12,
-			   1);
-	if (ret)
-		return ret;
-
-	ram->base.get = nv50_ram_get;
-	ram->base.put = nv50_ram_put;
-	return 0;
-}
-
-static int
-mcp77_ram_init(struct nvkm_object *object)
-{
-	struct nvkm_fb *fb = nvkm_fb(object);
-	struct nvkm_device *device = fb->subdev.device;
-	struct mcp77_ram *ram = (void *)object;
-	int ret;
-	u64 dniso, hostnb, flush;
-
-	ret = nvkm_ram_init(&ram->base);
-	if (ret)
-		return ret;
-
-	dniso  = ((ram->base.size - (ram->poller_base + 0x00)) >> 5) - 1;
-	hostnb = ((ram->base.size - (ram->poller_base + 0x20)) >> 5) - 1;
-	flush  = ((ram->base.size - (ram->poller_base + 0x40)) >> 5) - 1;
+	struct mcp77_ram *ram = mcp77_ram(base);
+	struct nvkm_device *device = ram->base.fb->subdev.device;
+	u32 dniso  = ((ram->base.size - (ram->poller_base + 0x00)) >> 5) - 1;
+	u32 hostnb = ((ram->base.size - (ram->poller_base + 0x20)) >> 5) - 1;
+	u32 flush  = ((ram->base.size - (ram->poller_base + 0x40)) >> 5) - 1;
 
 	/* Enable NISO poller for various clients and set their associated
 	 * read address, only for MCP77/78 and MCP79/7A. (fd#25701)
@@ -92,12 +50,38 @@ mcp77_ram_init(struct nvkm_object *object)
 	return 0;
 }
 
-struct nvkm_oclass
-mcp77_ram_oclass = {
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = mcp77_ram_ctor,
-		.dtor = _nvkm_ram_dtor,
-		.init = mcp77_ram_init,
-		.fini = _nvkm_ram_fini,
-	},
+static const struct nvkm_ram_func
+mcp77_ram_func = {
+	.init = mcp77_ram_init,
+	.get = nv50_ram_get,
+	.put = nv50_ram_put,
 };
+
+int
+mcp77_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
+{
+	struct nvkm_device *device = fb->subdev.device;
+	u32 rsvd_head = ( 256 * 1024); /* vga memory */
+	u32 rsvd_tail = (1024 * 1024) + 0x1000; /* vbios etc + poller mem */
+	u64 base = (u64)nvkm_rd32(device, 0x100e10) << 12;
+	u64 size = (u64)nvkm_rd32(device, 0x100e14) << 12;
+	struct mcp77_ram *ram;
+	int ret;
+
+	if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL)))
+		return -ENOMEM;
+	*pram = &ram->base;
+
+	ret = nvkm_ram_ctor(&mcp77_ram_func, fb, NVKM_RAM_TYPE_STOLEN,
+			    size, 0, &ram->base);
+	if (ret)
+		return ret;
+
+	ram->poller_base = size - rsvd_tail;
+	ram->base.stolen = base;
+	nvkm_mm_fini(&ram->base.vram);
+
+	return nvkm_mm_init(&ram->base.vram, rsvd_head >> NVKM_RAM_MM_SHIFT,
+			    (size - rsvd_head - rsvd_tail) >>
+			    NVKM_RAM_MM_SHIFT, 1);
+}
diff --git a/drm/nouveau/nvkm/subdev/fb/ramnv04.c b/drm/nouveau/nvkm/subdev/fb/ramnv04.c
index db9c29dfa..6f053a03d 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramnv04.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramnv04.c
@@ -21,60 +21,45 @@
  *
  * Authors: Ben Skeggs
  */
-#include "priv.h"
+#include "ram.h"
 #include "regsnv04.h"
 
-static int
-nv04_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
-		struct nvkm_oclass *oclass, void *data, u32 size,
-		struct nvkm_object **pobject)
+const struct nvkm_ram_func
+nv04_ram_func = {
+};
+
+int
+nv04_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
-	struct nvkm_ram *ram;
 	struct nvkm_device *device = fb->subdev.device;
 	u32 boot0 = nvkm_rd32(device, NV04_PFB_BOOT_0);
-	int ret;
-
-	ret = nvkm_ram_create(parent, engine, oclass, &ram);
-	*pobject = nv_object(ram);
-	if (ret)
-		return ret;
+	u64 size;
+	enum nvkm_ram_type type;
 
 	if (boot0 & 0x00000100) {
-		ram->size  = ((boot0 >> 12) & 0xf) * 2 + 2;
-		ram->size *= 1024 * 1024;
+		size  = ((boot0 >> 12) & 0xf) * 2 + 2;
+		size *= 1024 * 1024;
 	} else {
 		switch (boot0 & NV04_PFB_BOOT_0_RAM_AMOUNT) {
 		case NV04_PFB_BOOT_0_RAM_AMOUNT_32MB:
-			ram->size = 32 * 1024 * 1024;
+			size = 32 * 1024 * 1024;
 			break;
 		case NV04_PFB_BOOT_0_RAM_AMOUNT_16MB:
-			ram->size = 16 * 1024 * 1024;
+			size = 16 * 1024 * 1024;
 			break;
 		case NV04_PFB_BOOT_0_RAM_AMOUNT_8MB:
-			ram->size = 8 * 1024 * 1024;
+			size = 8 * 1024 * 1024;
 			break;
 		case NV04_PFB_BOOT_0_RAM_AMOUNT_4MB:
-			ram->size = 4 * 1024 * 1024;
+			size = 4 * 1024 * 1024;
 			break;
 		}
 	}
 
 	if ((boot0 & 0x00000038) <= 0x10)
-		ram->type = NV_MEM_TYPE_SGRAM;
+		type = NVKM_RAM_TYPE_SGRAM;
 	else
-		ram->type = NV_MEM_TYPE_SDRAM;
+		type = NVKM_RAM_TYPE_SDRAM;
 
-	return 0;
+	return nvkm_ram_new_(&nv04_ram_func, fb, type, size, 0, pram);
 }
-
-struct nvkm_oclass
-nv04_ram_oclass = {
-	.handle = 0,
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv04_ram_create,
-		.dtor = _nvkm_ram_dtor,
-		.init = _nvkm_ram_init,
-		.fini = _nvkm_ram_fini,
-	}
-};
diff --git a/drm/nouveau/nvkm/subdev/fb/ramnv10.c b/drm/nouveau/nvkm/subdev/fb/ramnv10.c
index 76cc560e1..dfd155c98 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramnv10.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramnv10.c
@@ -21,40 +21,20 @@
  *
  * Authors: Ben Skeggs
  */
-#include "priv.h"
+#include "ram.h"
 
-static int
-nv10_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
-		struct nvkm_oclass *oclass, void *data, u32 size,
-		struct nvkm_object **pobject)
+int
+nv10_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
-	struct nvkm_ram *ram;
 	struct nvkm_device *device = fb->subdev.device;
+	u32 size = nvkm_rd32(device, 0x10020c) & 0xff000000;
 	u32 cfg0 = nvkm_rd32(device, 0x100200);
-	int ret;
-
-	ret = nvkm_ram_create(parent, engine, oclass, &ram);
-	*pobject = nv_object(ram);
-	if (ret)
-		return ret;
+	enum nvkm_ram_type type;
 
 	if (cfg0 & 0x00000001)
-		ram->type = NV_MEM_TYPE_DDR1;
+		type = NVKM_RAM_TYPE_DDR1;
 	else
-		ram->type = NV_MEM_TYPE_SDRAM;
+		type = NVKM_RAM_TYPE_SDRAM;
 
-	ram->size = nvkm_rd32(device, 0x10020c) & 0xff000000;
-	return 0;
+	return nvkm_ram_new_(&nv04_ram_func, fb, type, size, 0, pram);
 }
-
-struct nvkm_oclass
-nv10_ram_oclass = {
-	.handle = 0,
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv10_ram_create,
-		.dtor = _nvkm_ram_dtor,
-		.init = _nvkm_ram_init,
-		.fini = _nvkm_ram_fini,
-	}
-};
diff --git a/drm/nouveau/nvkm/subdev/fb/ramnv1a.c b/drm/nouveau/nvkm/subdev/fb/ramnv1a.c
index 6bbdf8174..3c6a8710e 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramnv1a.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramnv1a.c
@@ -21,18 +21,13 @@
  *
  * Authors: Ben Skeggs
  */
-#include "priv.h"
+#include "ram.h"
 
-static int
-nv1a_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
-		struct nvkm_oclass *oclass, void *data, u32 size,
-		struct nvkm_object **pobject)
+int
+nv1a_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
-	struct nvkm_ram *ram;
 	struct pci_dev *bridge;
 	u32 mem, mib;
-	int ret;
 
 	bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 1));
 	if (!bridge) {
@@ -40,12 +35,7 @@ nv1a_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
 		return -ENODEV;
 	}
 
-	ret = nvkm_ram_create(parent, engine, oclass, &ram);
-	*pobject = nv_object(ram);
-	if (ret)
-		return ret;
-
-	if (nv_device(fb)->chipset == 0x1a) {
+	if (fb->subdev.device->chipset == 0x1a) {
 		pci_read_config_dword(bridge, 0x7c, &mem);
 		mib = ((mem >> 6) & 31) + 1;
 	} else {
@@ -53,18 +43,6 @@ nv1a_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
 		mib = ((mem >> 4) & 127) + 1;
 	}
 
-	ram->type = NV_MEM_TYPE_STOLEN;
-	ram->size = mib * 1024 * 1024;
-	return 0;
+	return nvkm_ram_new_(&nv04_ram_func, fb, NVKM_RAM_TYPE_STOLEN,
+			     mib * 1024 * 1024, 0, pram);
 }
-
-struct nvkm_oclass
-nv1a_ram_oclass = {
-	.handle = 0,
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv1a_ram_create,
-		.dtor = _nvkm_ram_dtor,
-		.init = _nvkm_ram_init,
-		.fini = _nvkm_ram_fini,
-	}
-};
diff --git a/drm/nouveau/nvkm/subdev/fb/ramnv20.c b/drm/nouveau/nvkm/subdev/fb/ramnv20.c
index 017f82e5b..747e47c10 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramnv20.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramnv20.c
@@ -21,43 +21,29 @@
  *
  * Authors: Ben Skeggs
  */
-#include "priv.h"
+#include "ram.h"
 
-static int
-nv20_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
-		struct nvkm_oclass *oclass, void *data, u32 size,
-		struct nvkm_object **pobject)
+int
+nv20_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
-	struct nvkm_ram *ram;
 	struct nvkm_device *device = fb->subdev.device;
-	u32 pbus1218 = nvkm_rd32(device, 0x001218);
+	u32 pbus1218 =  nvkm_rd32(device, 0x001218);
+	u32     size = (nvkm_rd32(device, 0x10020c) & 0xff000000);
+	u32     tags =  nvkm_rd32(device, 0x100320);
+	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
 	int ret;
 
-	ret = nvkm_ram_create(parent, engine, oclass, &ram);
-	*pobject = nv_object(ram);
+	switch (pbus1218 & 0x00000300) {
+	case 0x00000000: type = NVKM_RAM_TYPE_SDRAM; break;
+	case 0x00000100: type = NVKM_RAM_TYPE_DDR1 ; break;
+	case 0x00000200: type = NVKM_RAM_TYPE_GDDR3; break;
+	case 0x00000300: type = NVKM_RAM_TYPE_GDDR2; break;
+	}
+
+	ret = nvkm_ram_new_(&nv04_ram_func, fb, type, size, tags, pram);
 	if (ret)
 		return ret;
 
-	switch (pbus1218 & 0x00000300) {
-	case 0x00000000: ram->type = NV_MEM_TYPE_SDRAM; break;
-	case 0x00000100: ram->type = NV_MEM_TYPE_DDR1; break;
-	case 0x00000200: ram->type = NV_MEM_TYPE_GDDR3; break;
-	case 0x00000300: ram->type = NV_MEM_TYPE_GDDR2; break;
-	}
-	ram->size  = (nvkm_rd32(device, 0x10020c) & 0xff000000);
-	ram->parts = (nvkm_rd32(device, 0x100200) & 0x00000003) + 1;
-	ram->tags  = nvkm_rd32(device, 0x100320);
+	(*pram)->parts = (nvkm_rd32(device, 0x100200) & 0x00000003) + 1;
 	return 0;
 }
-
-struct nvkm_oclass
-nv20_ram_oclass = {
-	.handle = 0,
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv20_ram_create,
-		.dtor = _nvkm_ram_dtor,
-		.init = _nvkm_ram_init,
-		.fini = _nvkm_ram_fini,
-	}
-};
diff --git a/drm/nouveau/nvkm/subdev/fb/ramnv40.c b/drm/nouveau/nvkm/subdev/fb/ramnv40.c
index 6b2ca3ff8..56f8cffc2 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramnv40.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramnv40.c
@@ -21,7 +21,7 @@
  *
  * Authors: Ben Skeggs
  */
-#include "nv40.h"
+#include "ramnv40.h"
 
 #include <subdev/bios.h>
 #include <subdev/bios/bit.h>
@@ -30,12 +30,12 @@
 #include <subdev/clk/pll.h>
 #include <subdev/timer.h>
 
-int
-nv40_ram_calc(struct nvkm_fb *fb, u32 freq)
+static int
+nv40_ram_calc(struct nvkm_ram *base, u32 freq)
 {
-	struct nvkm_subdev *subdev = &fb->subdev;
+	struct nv40_ram *ram = nv40_ram(base);
+	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
 	struct nvkm_bios *bios = subdev->device->bios;
-	struct nv40_ram *ram = (void *)fb->ram;
 	struct nvbios_pll pll;
 	int N1, M1, N2, M2;
 	int log2P, ret;
@@ -46,8 +46,7 @@ nv40_ram_calc(struct nvkm_fb *fb, u32 freq)
 		return ret;
 	}
 
-	ret = nv04_pll_calc(nv_subdev(fb), &pll, freq,
-			    &N1, &M1, &N2, &M2, &log2P);
+	ret = nv04_pll_calc(subdev, &pll, freq, &N1, &M1, &N2, &M2, &log2P);
 	if (ret < 0)
 		return ret;
 
@@ -64,12 +63,13 @@ nv40_ram_calc(struct nvkm_fb *fb, u32 freq)
 	return 0;
 }
 
-int
-nv40_ram_prog(struct nvkm_fb *fb)
+static int
+nv40_ram_prog(struct nvkm_ram *base)
 {
-	struct nvkm_device *device = fb->subdev.device;
+	struct nv40_ram *ram = nv40_ram(base);
+	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
+	struct nvkm_device *device = subdev->device;
 	struct nvkm_bios *bios = device->bios;
-	struct nv40_ram *ram = (void *)fb->ram;
 	struct bit_entry M;
 	u32 crtc_mask = 0;
 	u8  sr1[2];
@@ -152,7 +152,7 @@ nv40_ram_prog(struct nvkm_fb *fb)
 	/* execute memory reset script from vbios */
 	if (!bit_entry(bios, 'M', &M)) {
 		struct nvbios_init init = {
-			.subdev = nv_subdev(fb),
+			.subdev = subdev,
 			.bios = bios,
 			.offset = nvbios_rd16(bios, M.offset + 0x00),
 			.execute = 1,
@@ -181,51 +181,50 @@ nv40_ram_prog(struct nvkm_fb *fb)
 	return 0;
 }
 
-void
-nv40_ram_tidy(struct nvkm_fb *fb)
+static void
+nv40_ram_tidy(struct nvkm_ram *base)
 {
 }
 
-static int
-nv40_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
-		struct nvkm_oclass *oclass, void *data, u32 size,
-		struct nvkm_object **pobject)
+static const struct nvkm_ram_func
+nv40_ram_func = {
+	.calc = nv40_ram_calc,
+	.prog = nv40_ram_prog,
+	.tidy = nv40_ram_tidy,
+};
+
+int
+nv40_ram_new_(struct nvkm_fb *fb, enum nvkm_ram_type type, u64 size,
+	      u32 tags, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
 	struct nv40_ram *ram;
+	if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL)))
+		return -ENOMEM;
+	*pram = &ram->base;
+	return nvkm_ram_ctor(&nv40_ram_func, fb, type, size, tags, &ram->base);
+}
+
+int
+nv40_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
+{
 	struct nvkm_device *device = fb->subdev.device;
 	u32 pbus1218 = nvkm_rd32(device, 0x001218);
+	u32     size = nvkm_rd32(device, 0x10020c) & 0xff000000;
+	u32     tags = nvkm_rd32(device, 0x100320);
+	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
 	int ret;
 
-	ret = nvkm_ram_create(parent, engine, oclass, &ram);
-	*pobject = nv_object(ram);
-	if (ret)
-		return ret;
-
 	switch (pbus1218 & 0x00000300) {
-	case 0x00000000: ram->base.type = NV_MEM_TYPE_SDRAM; break;
-	case 0x00000100: ram->base.type = NV_MEM_TYPE_DDR1; break;
-	case 0x00000200: ram->base.type = NV_MEM_TYPE_GDDR3; break;
-	case 0x00000300: ram->base.type = NV_MEM_TYPE_DDR2; break;
+	case 0x00000000: type = NVKM_RAM_TYPE_SDRAM; break;
+	case 0x00000100: type = NVKM_RAM_TYPE_DDR1 ; break;
+	case 0x00000200: type = NVKM_RAM_TYPE_GDDR3; break;
+	case 0x00000300: type = NVKM_RAM_TYPE_DDR2 ; break;
 	}
 
-	ram->base.size  =  nvkm_rd32(device, 0x10020c) & 0xff000000;
-	ram->base.parts = (nvkm_rd32(device, 0x100200) & 0x00000003) + 1;
-	ram->base.tags  =  nvkm_rd32(device, 0x100320);
-	ram->base.calc = nv40_ram_calc;
-	ram->base.prog = nv40_ram_prog;
-	ram->base.tidy = nv40_ram_tidy;
+	ret = nv40_ram_new_(fb, type, size, tags, pram);
+	if (ret)
+		return ret;
+
+	(*pram)->parts = (nvkm_rd32(device, 0x100200) & 0x00000003) + 1;
 	return 0;
 }
-
-
-struct nvkm_oclass
-nv40_ram_oclass = {
-	.handle = 0,
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv40_ram_create,
-		.dtor = _nvkm_ram_dtor,
-		.init = _nvkm_ram_init,
-		.fini = _nvkm_ram_fini,
-	}
-};
diff --git a/drm/nouveau/nvkm/subdev/fb/ramnv40.h b/drm/nouveau/nvkm/subdev/fb/ramnv40.h
new file mode 100644
index 000000000..8a0524566
--- /dev/null
+++ b/drm/nouveau/nvkm/subdev/fb/ramnv40.h
@@ -0,0 +1,14 @@
+#ifndef __NV40_FB_RAM_H__
+#define __NV40_FB_RAM_H__
+#define nv40_ram(p) container_of((p), struct nv40_ram, base)
+#include "ram.h"
+
+struct nv40_ram {
+	struct nvkm_ram base;
+	u32 ctrl;
+	u32 coef;
+};
+
+int nv40_ram_new_(struct nvkm_fb *fb, enum nvkm_ram_type, u64, u32,
+		  struct nvkm_ram **);
+#endif
diff --git a/drm/nouveau/nvkm/subdev/fb/ramnv41.c b/drm/nouveau/nvkm/subdev/fb/ramnv41.c
index 9ebfb0d8f..114828be2 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramnv41.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramnv41.c
@@ -21,47 +21,29 @@
  *
  * Authors: Ben Skeggs
  */
-#include "nv40.h"
+#include "ramnv40.h"
 
-static int
-nv41_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
-		struct nvkm_oclass *oclass, void *data, u32 size,
-		struct nvkm_object **pobject)
+int
+nv41_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
-	struct nv40_ram *ram;
 	struct nvkm_device *device = fb->subdev.device;
+	u32  size = nvkm_rd32(device, 0x10020c) & 0xff000000;
+	u32  tags = nvkm_rd32(device, 0x100320);
 	u32 fb474 = nvkm_rd32(device, 0x100474);
+	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
 	int ret;
 
-	ret = nvkm_ram_create(parent, engine, oclass, &ram);
-	*pobject = nv_object(ram);
-	if (ret)
-		return ret;
-
 	if (fb474 & 0x00000004)
-		ram->base.type = NV_MEM_TYPE_GDDR3;
+		type = NVKM_RAM_TYPE_GDDR3;
 	if (fb474 & 0x00000002)
-		ram->base.type = NV_MEM_TYPE_DDR2;
+		type = NVKM_RAM_TYPE_DDR2;
 	if (fb474 & 0x00000001)
-		ram->base.type = NV_MEM_TYPE_DDR1;
+		type = NVKM_RAM_TYPE_DDR1;
 
-	ram->base.size  =  nvkm_rd32(device, 0x10020c) & 0xff000000;
-	ram->base.parts = (nvkm_rd32(device, 0x100200) & 0x00000003) + 1;
-	ram->base.tags  =  nvkm_rd32(device, 0x100320);
-	ram->base.calc = nv40_ram_calc;
-	ram->base.prog = nv40_ram_prog;
-	ram->base.tidy = nv40_ram_tidy;
+	ret = nv40_ram_new_(fb, type, size, tags, pram);
+	if (ret)
+		return ret;
+
+	(*pram)->parts = (nvkm_rd32(device, 0x100200) & 0x00000003) + 1;
 	return 0;
 }
-
-struct nvkm_oclass
-nv41_ram_oclass = {
-	.handle = 0,
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv41_ram_create,
-		.dtor = _nvkm_ram_dtor,
-		.init = _nvkm_ram_init,
-		.fini = _nvkm_ram_fini,
-	}
-};
diff --git a/drm/nouveau/nvkm/subdev/fb/ramnv44.c b/drm/nouveau/nvkm/subdev/fb/ramnv44.c
index ac0ba6deb..bc56fbf1c 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramnv44.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramnv44.c
@@ -21,45 +21,22 @@
  *
  * Authors: Ben Skeggs
  */
-#include "nv40.h"
+#include "ramnv40.h"
 
-static int
-nv44_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
-		struct nvkm_oclass *oclass, void *data, u32 size,
-		struct nvkm_object **pobject)
+int
+nv44_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
-	struct nv40_ram *ram;
 	struct nvkm_device *device = fb->subdev.device;
+	u32  size = nvkm_rd32(device, 0x10020c) & 0xff000000;
 	u32 fb474 = nvkm_rd32(device, 0x100474);
-	int ret;
-
-	ret = nvkm_ram_create(parent, engine, oclass, &ram);
-	*pobject = nv_object(ram);
-	if (ret)
-		return ret;
+	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
 
 	if (fb474 & 0x00000004)
-		ram->base.type = NV_MEM_TYPE_GDDR3;
+		type = NVKM_RAM_TYPE_GDDR3;
 	if (fb474 & 0x00000002)
-		ram->base.type = NV_MEM_TYPE_DDR2;
+		type = NVKM_RAM_TYPE_DDR2;
 	if (fb474 & 0x00000001)
-		ram->base.type = NV_MEM_TYPE_DDR1;
+		type = NVKM_RAM_TYPE_DDR1;
 
-	ram->base.size = nvkm_rd32(device, 0x10020c) & 0xff000000;
-	ram->base.calc = nv40_ram_calc;
-	ram->base.prog = nv40_ram_prog;
-	ram->base.tidy = nv40_ram_tidy;
-	return 0;
+	return nv40_ram_new_(fb, type, size, 0, pram);
 }
-
-struct nvkm_oclass
-nv44_ram_oclass = {
-	.handle = 0,
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv44_ram_create,
-		.dtor = _nvkm_ram_dtor,
-		.init = _nvkm_ram_init,
-		.fini = _nvkm_ram_fini,
-	}
-};
diff --git a/drm/nouveau/nvkm/subdev/fb/ramnv49.c b/drm/nouveau/nvkm/subdev/fb/ramnv49.c
index 4a19da6a2..c01f4b102 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramnv49.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramnv49.c
@@ -21,47 +21,29 @@
  *
  * Authors: Ben Skeggs
  */
-#include "nv40.h"
+#include "ramnv40.h"
 
-static int
-nv49_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
-		struct nvkm_oclass *oclass, void *data, u32 size,
-		struct nvkm_object **pobject)
+int
+nv49_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
-	struct nv40_ram *ram;
 	struct nvkm_device *device = fb->subdev.device;
+	u32  size = nvkm_rd32(device, 0x10020c) & 0xff000000;
+	u32  tags = nvkm_rd32(device, 0x100320);
 	u32 fb914 = nvkm_rd32(device, 0x100914);
+	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
 	int ret;
 
-	ret = nvkm_ram_create(parent, engine, oclass, &ram);
-	*pobject = nv_object(ram);
-	if (ret)
-		return ret;
-
 	switch (fb914 & 0x00000003) {
-	case 0x00000000: ram->base.type = NV_MEM_TYPE_DDR1; break;
-	case 0x00000001: ram->base.type = NV_MEM_TYPE_DDR2; break;
-	case 0x00000002: ram->base.type = NV_MEM_TYPE_GDDR3; break;
+	case 0x00000000: type = NVKM_RAM_TYPE_DDR1 ; break;
+	case 0x00000001: type = NVKM_RAM_TYPE_DDR2 ; break;
+	case 0x00000002: type = NVKM_RAM_TYPE_GDDR3; break;
 	case 0x00000003: break;
 	}
 
-	ram->base.size  =  nvkm_rd32(device, 0x10020c) & 0xff000000;
-	ram->base.parts = (nvkm_rd32(device, 0x100200) & 0x00000003) + 1;
-	ram->base.tags  =  nvkm_rd32(device, 0x100320);
-	ram->base.calc = nv40_ram_calc;
-	ram->base.prog = nv40_ram_prog;
-	ram->base.tidy = nv40_ram_tidy;
+	ret = nv40_ram_new_(fb, type, size, tags, pram);
+	if (ret)
+		return ret;
+
+	(*pram)->parts = (nvkm_rd32(device, 0x100200) & 0x00000003) + 1;
 	return 0;
 }
-
-struct nvkm_oclass
-nv49_ram_oclass = {
-	.handle = 0,
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv49_ram_create,
-		.dtor = _nvkm_ram_dtor,
-		.init = _nvkm_ram_init,
-		.fini = _nvkm_ram_fini,
-	}
-};
diff --git a/drm/nouveau/nvkm/subdev/fb/ramnv4e.c b/drm/nouveau/nvkm/subdev/fb/ramnv4e.c
index 1778b3c7c..fa3c2e062 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramnv4e.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramnv4e.c
@@ -21,35 +21,13 @@
  *
  * Authors: Ben Skeggs
  */
-#include "priv.h"
+#include "ram.h"
 
-static int
-nv4e_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
-		struct nvkm_oclass *oclass, void *data, u32 size,
-		struct nvkm_object **pobject)
+int
+nv4e_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
-	struct nvkm_ram *ram;
 	struct nvkm_device *device = fb->subdev.device;
-	int ret;
-
-	ret = nvkm_ram_create(parent, engine, oclass, &ram);
-	*pobject = nv_object(ram);
-	if (ret)
-		return ret;
-
-	ram->size = nvkm_rd32(device, 0x10020c) & 0xff000000;
-	ram->type = NV_MEM_TYPE_STOLEN;
-	return 0;
+	u32 size = nvkm_rd32(device, 0x10020c) & 0xff000000;
+	return nvkm_ram_new_(&nv04_ram_func, fb, NVKM_RAM_TYPE_UNKNOWN,
+			     size, 0, pram);
 }
-
-struct nvkm_oclass
-nv4e_ram_oclass = {
-	.handle = 0,
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv4e_ram_create,
-		.dtor = _nvkm_ram_dtor,
-		.init = _nvkm_ram_init,
-		.fini = _nvkm_ram_fini,
-	}
-};
diff --git a/drm/nouveau/nvkm/subdev/fb/ramnv50.c b/drm/nouveau/nvkm/subdev/fb/ramnv50.c
index 1c38fb4d9..9197e0ef5 100644
--- a/drm/nouveau/nvkm/subdev/fb/ramnv50.c
+++ b/drm/nouveau/nvkm/subdev/fb/ramnv50.c
@@ -21,8 +21,10 @@
  *
  * Authors: Ben Skeggs
  */
-#include "nv50.h"
+#define nv50_ram(p) container_of((p), struct nv50_ram, base)
+#include "ram.h"
 #include "ramseq.h"
+#include "nv50.h"
 
 #include <core/option.h>
 #include <subdev/bios.h>
@@ -66,11 +68,10 @@ struct nv50_ram {
 
 #define T(t) cfg->timing_10_##t
 static int
-nv50_ram_timing_calc(struct nvkm_fb *fb, u32 *timing)
+nv50_ram_timing_calc(struct nv50_ram *ram, u32 *timing)
 {
-	struct nv50_ram *ram = (void *)fb->ram;
 	struct nvbios_ramcfg *cfg = &ram->base.target.bios;
-	struct nvkm_subdev *subdev = &fb->subdev;
+	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
 	struct nvkm_device *device = subdev->device;
 	u32 cur2, cur4, cur7, cur8;
 	u8 unkt3b;
@@ -81,16 +82,16 @@ nv50_ram_timing_calc(struct nvkm_fb *fb, u32 *timing)
 	cur8 = nvkm_rd32(device, 0x100240);
 
 	switch ((!T(CWL)) * ram->base.type) {
-	case NV_MEM_TYPE_DDR2:
+	case NVKM_RAM_TYPE_DDR2:
 		T(CWL) = T(CL) - 1;
 		break;
-	case NV_MEM_TYPE_GDDR3:
+	case NVKM_RAM_TYPE_GDDR3:
 		T(CWL) = ((cur2 & 0xff000000) >> 24) + 1;
 		break;
 	}
 
 	/* XXX: N=1 is not proper statistics */
-	if (nv_device(fb)->chipset == 0xa0) {
+	if (device->chipset == 0xa0) {
 		unkt3b = 0x19 + ram->base.next->bios.rammap_00_16_40;
 		timing[6] = (0x2d + T(CL) - T(CWL) +
 				ram->base.next->bios.rammap_00_16_40) << 16 |
@@ -127,10 +128,11 @@ nv50_ram_timing_calc(struct nvkm_fb *fb, u32 *timing)
 	timing[8] = (cur8 & 0xffffff00);
 
 	/* XXX: P.version == 1 only has DDR2 and GDDR3? */
-	if (fb->ram->type == NV_MEM_TYPE_DDR2) {
+	if (ram->base.type == NVKM_RAM_TYPE_DDR2) {
 		timing[5] |= (T(CL) + 3) << 8;
 		timing[8] |= (T(CL) - 4);
-	} else if (fb->ram->type == NV_MEM_TYPE_GDDR3) {
+	} else
+	if (ram->base.type == NVKM_RAM_TYPE_GDDR3) {
 		timing[5] |= (T(CL) + 2) << 8;
 		timing[8] |= (T(CL) - 2);
 	}
@@ -153,11 +155,11 @@ nvkm_sddr2_dll_reset(struct nv50_ramseq *hwsq)
 }
 
 static int
-nv50_ram_calc(struct nvkm_fb *fb, u32 freq)
+nv50_ram_calc(struct nvkm_ram *base, u32 freq)
 {
-	struct nv50_ram *ram = (void *)fb->ram;
+	struct nv50_ram *ram = nv50_ram(base);
 	struct nv50_ramseq *hwsq = &ram->hwsq;
-	struct nvkm_subdev *subdev = &fb->subdev;
+	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
 	struct nvkm_bios *bios = subdev->device->bios;
 	struct nvbios_perfE perfE;
 	struct nvbios_pll mpll;
@@ -177,7 +179,7 @@ nv50_ram_calc(struct nvkm_fb *fb, u32 freq)
 	i = 0;
 	do {
 		data = nvbios_perfEp(bios, i++, &ver, &hdr, &cnt,
-					    &size, &perfE);
+				     &size, &perfE);
 		if (!data || (ver < 0x25 || ver >= 0x40) ||
 		    (size < 2)) {
 			nvkm_error(subdev, "invalid/missing perftab entry\n");
@@ -188,7 +190,7 @@ nv50_ram_calc(struct nvkm_fb *fb, u32 freq)
 	nvbios_rammapEp_from_perf(bios, data, hdr, &next->bios);
 
 	/* locate specific data set for the attached memory */
-	strap = nvbios_ramcfg_index(nv_subdev(fb));
+	strap = nvbios_ramcfg_index(subdev);
 	if (strap >= cnt) {
 		nvkm_error(subdev, "invalid ramcfg strap\n");
 		return -EINVAL;
@@ -213,9 +215,9 @@ nv50_ram_calc(struct nvkm_fb *fb, u32 freq)
 		}
 	}
 
-	nv50_ram_timing_calc(fb, timing);
+	nv50_ram_timing_calc(ram, timing);
 
-	ret = ram_init(hwsq, nv_subdev(fb));
+	ret = ram_init(hwsq, subdev);
 	if (ret)
 		return ret;
 
@@ -225,7 +227,7 @@ nv50_ram_calc(struct nvkm_fb *fb, u32 freq)
 	ram->base.mr[2] = ram_rd32(hwsq, mr[2]);
 
 	switch (ram->base.type) {
-	case NV_MEM_TYPE_GDDR3:
+	case NVKM_RAM_TYPE_GDDR3:
 		ret = nvkm_gddr3_calc(&ram->base);
 		break;
 	default:
@@ -257,7 +259,7 @@ nv50_ram_calc(struct nvkm_fb *fb, u32 freq)
 	ret = nvbios_pll_parse(bios, 0x004008, &mpll);
 	mpll.vco2.max_freq = 0;
 	if (ret >= 0) {
-		ret = nv04_pll_calc(nv_subdev(fb), &mpll, freq,
+		ret = nv04_pll_calc(subdev, &mpll, freq,
 				    &N1, &M1, &N2, &M2, &P);
 		if (ret <= 0)
 			ret = -EINVAL;
@@ -284,7 +286,7 @@ nv50_ram_calc(struct nvkm_fb *fb, u32 freq)
 			next->bios.rammap_00_16_40 << 14);
 	ram_mask(hwsq, 0x00400c, 0x0000ffff, (N1 << 8) | M1);
 	ram_mask(hwsq, 0x004008, 0x91ff0000, r004008);
-	if (nv_device(fb)->chipset >= 0x96)
+	if (subdev->device->chipset >= 0x96)
 		ram_wr32(hwsq, 0x100da0, r100da0);
 	ram_nsec(hwsq, 64000); /*XXX*/
 	ram_nsec(hwsq, 32000); /*XXX*/
@@ -298,11 +300,11 @@ nv50_ram_calc(struct nvkm_fb *fb, u32 freq)
 	ram_nsec(hwsq, 12000);
 
 	switch (ram->base.type) {
-	case NV_MEM_TYPE_DDR2:
+	case NVKM_RAM_TYPE_DDR2:
 		ram_nuke(hwsq, mr[0]); /* force update */
 		ram_mask(hwsq, mr[0], 0x000, 0x000);
 		break;
-	case NV_MEM_TYPE_GDDR3:
+	case NVKM_RAM_TYPE_GDDR3:
 		ram_nuke(hwsq, mr[1]); /* force update */
 		ram_wr32(hwsq, mr[1], ram->base.mr[1]);
 		ram_nuke(hwsq, mr[0]); /* force update */
@@ -382,26 +384,23 @@ nv50_ram_calc(struct nvkm_fb *fb, u32 freq)
 }
 
 static int
-nv50_ram_prog(struct nvkm_fb *fb)
+nv50_ram_prog(struct nvkm_ram *base)
 {
-	struct nvkm_device *device = nv_device(fb);
-	struct nv50_ram *ram = (void *)fb->ram;
-	struct nv50_ramseq *hwsq = &ram->hwsq;
-
-	ram_exec(hwsq, nvkm_boolopt(device->cfgopt, "NvMemExec", true));
+	struct nv50_ram *ram = nv50_ram(base);
+	struct nvkm_device *device = ram->base.fb->subdev.device;
+	ram_exec(&ram->hwsq, nvkm_boolopt(device->cfgopt, "NvMemExec", true));
 	return 0;
 }
 
 static void
-nv50_ram_tidy(struct nvkm_fb *fb)
+nv50_ram_tidy(struct nvkm_ram *base)
 {
-	struct nv50_ram *ram = (void *)fb->ram;
-	struct nv50_ramseq *hwsq = &ram->hwsq;
-	ram_exec(hwsq, false);
+	struct nv50_ram *ram = nv50_ram(base);
+	ram_exec(&ram->hwsq, false);
 }
 
 void
-__nv50_ram_put(struct nvkm_fb *fb, struct nvkm_mem *mem)
+__nv50_ram_put(struct nvkm_ram *ram, struct nvkm_mem *mem)
 {
 	struct nvkm_mm_node *this;
 
@@ -409,14 +408,14 @@ __nv50_ram_put(struct nvkm_fb *fb, struct nvkm_mem *mem)
 		this = list_first_entry(&mem->regions, typeof(*this), rl_entry);
 
 		list_del(&this->rl_entry);
-		nvkm_mm_free(&fb->vram, &this);
+		nvkm_mm_free(&ram->vram, &this);
 	}
 
-	nvkm_mm_free(&fb->tags, &mem->tag);
+	nvkm_mm_free(&ram->tags, &mem->tag);
 }
 
 void
-nv50_ram_put(struct nvkm_fb *fb, struct nvkm_mem **pmem)
+nv50_ram_put(struct nvkm_ram *ram, struct nvkm_mem **pmem)
 {
 	struct nvkm_mem *mem = *pmem;
 
@@ -424,19 +423,19 @@ nv50_ram_put(struct nvkm_fb *fb, struct nvkm_mem **pmem)
 	if (unlikely(mem == NULL))
 		return;
 
-	mutex_lock(&fb->subdev.mutex);
-	__nv50_ram_put(fb, mem);
-	mutex_unlock(&fb->subdev.mutex);
+	mutex_lock(&ram->fb->subdev.mutex);
+	__nv50_ram_put(ram, mem);
+	mutex_unlock(&ram->fb->subdev.mutex);
 
 	kfree(mem);
 }
 
 int
-nv50_ram_get(struct nvkm_fb *fb, u64 size, u32 align, u32 ncmin,
+nv50_ram_get(struct nvkm_ram *ram, u64 size, u32 align, u32 ncmin,
 	     u32 memtype, struct nvkm_mem **pmem)
 {
-	struct nvkm_mm *heap = &fb->vram;
-	struct nvkm_mm *tags = &fb->tags;
+	struct nvkm_mm *heap = &ram->vram;
+	struct nvkm_mm *tags = &ram->tags;
 	struct nvkm_mm_node *r;
 	struct nvkm_mem *mem;
 	int comp = (memtype & 0x300) >> 8;
@@ -444,17 +443,17 @@ nv50_ram_get(struct nvkm_fb *fb, u64 size, u32 align, u32 ncmin,
 	int back = (memtype & 0x800);
 	int min, max, ret;
 
-	max = (size >> 12);
-	min = ncmin ? (ncmin >> 12) : max;
-	align >>= 12;
+	max = (size >> NVKM_RAM_MM_SHIFT);
+	min = ncmin ? (ncmin >> NVKM_RAM_MM_SHIFT) : max;
+	align >>= NVKM_RAM_MM_SHIFT;
 
 	mem = kzalloc(sizeof(*mem), GFP_KERNEL);
 	if (!mem)
 		return -ENOMEM;
 
-	mutex_lock(&fb->subdev.mutex);
+	mutex_lock(&ram->fb->subdev.mutex);
 	if (comp) {
-		if (align == 16) {
+		if (align == (1 << (16 - NVKM_RAM_MM_SHIFT))) {
 			int n = (max >> 4) * comp;
 
 			ret = nvkm_mm_head(tags, 0, 1, n, n, 1, &mem->tag);
@@ -477,26 +476,35 @@ nv50_ram_get(struct nvkm_fb *fb, u64 size, u32 align, u32 ncmin,
 		else
 			ret = nvkm_mm_head(heap, 0, type, max, min, align, &r);
 		if (ret) {
-			mutex_unlock(&fb->subdev.mutex);
-			fb->ram->put(fb, &mem);
+			mutex_unlock(&ram->fb->subdev.mutex);
+			ram->func->put(ram, &mem);
 			return ret;
 		}
 
 		list_add_tail(&r->rl_entry, &mem->regions);
 		max -= r->length;
 	} while (max);
-	mutex_unlock(&fb->subdev.mutex);
+	mutex_unlock(&ram->fb->subdev.mutex);
 
 	r = list_first_entry(&mem->regions, struct nvkm_mm_node, rl_entry);
-	mem->offset = (u64)r->offset << 12;
+	mem->offset = (u64)r->offset << NVKM_RAM_MM_SHIFT;
 	*pmem = mem;
 	return 0;
 }
 
+static const struct nvkm_ram_func
+nv50_ram_func = {
+	.get = nv50_ram_get,
+	.put = nv50_ram_put,
+	.calc = nv50_ram_calc,
+	.prog = nv50_ram_prog,
+	.tidy = nv50_ram_tidy,
+};
+
 static u32
-nv50_fb_vram_rblock(struct nvkm_fb *fb, struct nvkm_ram *ram)
+nv50_fb_vram_rblock(struct nvkm_ram *ram)
 {
-	struct nvkm_subdev *subdev = &fb->subdev;
+	struct nvkm_subdev *subdev = &ram->fb->subdev;
 	struct nvkm_device *device = subdev->device;
 	int colbits, rowbitsa, rowbitsb, banks;
 	u64 rowsize, predicted;
@@ -532,83 +540,63 @@ nv50_fb_vram_rblock(struct nvkm_fb *fb, struct nvkm_ram *ram)
 }
 
 int
-nv50_ram_create_(struct nvkm_object *parent, struct nvkm_object *engine,
-		 struct nvkm_oclass *oclass, int length, void **pobject)
+nv50_ram_ctor(const struct nvkm_ram_func *func,
+	      struct nvkm_fb *fb, struct nvkm_ram *ram)
 {
-	const u32 rsvd_head = ( 256 * 1024) >> 12; /* vga memory */
-	const u32 rsvd_tail = (1024 * 1024) >> 12; /* vbios etc */
-	struct nvkm_fb *fb = nvkm_fb(parent);
 	struct nvkm_device *device = fb->subdev.device;
 	struct nvkm_bios *bios = device->bios;
-	struct nvkm_ram *ram;
+	const u32 rsvd_head = ( 256 * 1024); /* vga memory */
+	const u32 rsvd_tail = (1024 * 1024); /* vbios etc */
+	u64 size = nvkm_rd32(device, 0x10020c);
+	u32 tags = nvkm_rd32(device, 0x100320);
+	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
 	int ret;
 
-	ret = nvkm_ram_create_(parent, engine, oclass, length, pobject);
-	ram = *pobject;
-	if (ret)
-		return ret;
-
-	ram->size = nvkm_rd32(device, 0x10020c);
-	ram->size = (ram->size & 0xffffff00) | ((ram->size & 0x000000ff) << 32);
-
-	ram->part_mask = (nvkm_rd32(device, 0x001540) & 0x00ff0000) >> 16;
-	ram->parts = hweight8(ram->part_mask);
-
 	switch (nvkm_rd32(device, 0x100714) & 0x00000007) {
-	case 0: ram->type = NV_MEM_TYPE_DDR1; break;
+	case 0: type = NVKM_RAM_TYPE_DDR1; break;
 	case 1:
-		if (nvkm_fb_bios_memtype(bios) == NV_MEM_TYPE_DDR3)
-			ram->type = NV_MEM_TYPE_DDR3;
+		if (nvkm_fb_bios_memtype(bios) == NVKM_RAM_TYPE_DDR3)
+			type = NVKM_RAM_TYPE_DDR3;
 		else
-			ram->type = NV_MEM_TYPE_DDR2;
+			type = NVKM_RAM_TYPE_DDR2;
 		break;
-	case 2: ram->type = NV_MEM_TYPE_GDDR3; break;
-	case 3: ram->type = NV_MEM_TYPE_GDDR4; break;
-	case 4: ram->type = NV_MEM_TYPE_GDDR5; break;
+	case 2: type = NVKM_RAM_TYPE_GDDR3; break;
+	case 3: type = NVKM_RAM_TYPE_GDDR4; break;
+	case 4: type = NVKM_RAM_TYPE_GDDR5; break;
 	default:
 		break;
 	}
 
-	ret = nvkm_mm_init(&fb->vram, rsvd_head, (ram->size >> 12) -
-			   (rsvd_head + rsvd_tail),
-			   nv50_fb_vram_rblock(fb, ram) >> 12);
+	size = (size & 0x000000ff) << 32 | (size & 0xffffff00);
+
+	ret = nvkm_ram_ctor(func, fb, type, size, tags, ram);
 	if (ret)
 		return ret;
 
+	ram->part_mask = (nvkm_rd32(device, 0x001540) & 0x00ff0000) >> 16;
+	ram->parts = hweight8(ram->part_mask);
 	ram->ranks = (nvkm_rd32(device, 0x100200) & 0x4) ? 2 : 1;
-	ram->tags  =  nvkm_rd32(device, 0x100320);
-	ram->get = nv50_ram_get;
-	ram->put = nv50_ram_put;
-	return 0;
+	nvkm_mm_fini(&ram->vram);
+
+	return nvkm_mm_init(&ram->vram, rsvd_head >> NVKM_RAM_MM_SHIFT,
+			    (size - rsvd_head - rsvd_tail) >> NVKM_RAM_MM_SHIFT,
+			    nv50_fb_vram_rblock(ram) >> NVKM_RAM_MM_SHIFT);
 }
 
-static int
-nv50_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	      struct nvkm_oclass *oclass, void *data, u32 datasize,
-	      struct nvkm_object **pobject)
+int
+nv50_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
-	struct nvkm_fb *fb = nvkm_fb(parent);
-	struct nvkm_subdev *subdev = &fb->subdev;
 	struct nv50_ram *ram;
 	int ret, i;
 
-	ret = nv50_ram_create(parent, engine, oclass, &ram);
-	*pobject = nv_object(ram);
+	if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL)))
+		return -ENOMEM;
+	*pram = &ram->base;
+
+	ret = nv50_ram_ctor(&nv50_ram_func, fb, &ram->base);
 	if (ret)
 		return ret;
 
-	switch (ram->base.type) {
-	case NV_MEM_TYPE_GDDR3:
-		ram->base.calc = nv50_ram_calc;
-		ram->base.prog = nv50_ram_prog;
-		ram->base.tidy = nv50_ram_tidy;
-		break;
-	case NV_MEM_TYPE_DDR2:
-	default:
-		nvkm_warn(subdev, "reclocking of this ram type unsupported\n");
-		return 0;
-	}
-
 	ram->hwsq.r_0x002504 = hwsq_reg(0x002504);
 	ram->hwsq.r_0x00c040 = hwsq_reg(0x00c040);
 	ram->hwsq.r_0x004008 = hwsq_reg(0x004008);
@@ -648,13 +636,3 @@ nv50_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 
 	return 0;
 }
-
-struct nvkm_oclass
-nv50_ram_oclass = {
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = nv50_ram_ctor,
-		.dtor = _nvkm_ram_dtor,
-		.init = _nvkm_ram_init,
-		.fini = _nvkm_ram_fini,
-	}
-};
diff --git a/drm/nouveau/nvkm/subdev/instmem/nv50.c b/drm/nouveau/nvkm/subdev/instmem/nv50.c
index 339dd19e0..4f6354df5 100644
--- a/drm/nouveau/nvkm/subdev/instmem/nv50.c
+++ b/drm/nouveau/nvkm/subdev/instmem/nv50.c
@@ -84,8 +84,8 @@ static void
 nv50_instobj_dtor(struct nvkm_object *object)
 {
 	struct nv50_instobj *node = (void *)object;
-	struct nvkm_fb *fb = nvkm_fb(object);
-	fb->ram->put(fb, &node->mem);
+	struct nvkm_ram *ram = nvkm_fb(object)->ram;
+	ram->func->put(ram, &node->mem);
 	nvkm_instobj_destroy(&node->base);
 }
 
@@ -94,7 +94,7 @@ nv50_instobj_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 = nvkm_fb(parent);
+	struct nvkm_ram *ram = nvkm_fb(parent)->ram;
 	struct nvkm_instobj_args *args = data;
 	struct nv50_instobj *node;
 	int ret;
@@ -107,7 +107,8 @@ nv50_instobj_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	if (ret)
 		return ret;
 
-	ret = fb->ram->get(fb, args->size, args->align, 0, 0x800, &node->mem);
+	ret = ram->func->get(ram, args->size, args->align, 0, 0x800,
+			     &node->mem);
 	if (ret)
 		return ret;
 
diff --git a/drm/nouveau/nvkm/subdev/ltc/gf100.c b/drm/nouveau/nvkm/subdev/ltc/gf100.c
index 22712cdc0..5cb7604be 100644
--- a/drm/nouveau/nvkm/subdev/ltc/gf100.c
+++ b/drm/nouveau/nvkm/subdev/ltc/gf100.c
@@ -145,12 +145,12 @@ gf100_ltc_init(struct nvkm_object *object)
 void
 gf100_ltc_dtor(struct nvkm_object *object)
 {
-	struct nvkm_fb *fb = nvkm_fb(object);
 	struct nvkm_ltc_priv *ltc = (void *)object;
+	struct nvkm_ram *ram = ltc->base.subdev.device->fb->ram;
 
 	nvkm_mm_fini(&ltc->tags);
-	if (fb->ram)
-		nvkm_mm_free(&fb->vram, &ltc->tag_ram);
+	if (ram)
+		nvkm_mm_free(&ram->vram, &ltc->tag_ram);
 
 	nvkm_ltc_destroy(ltc);
 }
@@ -158,19 +158,20 @@ gf100_ltc_dtor(struct nvkm_object *object)
 /* TODO: Figure out tag memory details and drop the over-cautious allocation.
  */
 int
-gf100_ltc_init_tag_ram(struct nvkm_fb *fb, struct nvkm_ltc_priv *ltc)
+gf100_ltc_init_tag_ram(struct nvkm_ltc_priv *ltc)
 {
+	struct nvkm_ram *ram = ltc->base.subdev.device->fb->ram;
 	u32 tag_size, tag_margin, tag_align;
 	int ret;
 
 	/* No VRAM, no tags for now. */
-	if (!fb->ram) {
+	if (!ram) {
 		ltc->num_tags = 0;
 		goto mm_init;
 	}
 
 	/* tags for 1/4 of VRAM should be enough (8192/4 per GiB of VRAM) */
-	ltc->num_tags = (fb->ram->size >> 17) / 4;
+	ltc->num_tags = (ram->size >> 17) / 4;
 	if (ltc->num_tags > (1 << 17))
 		ltc->num_tags = 1 << 17; /* we have 17 bits in PTE */
 	ltc->num_tags = (ltc->num_tags + 63) & ~63; /* round up to 64 */
@@ -190,7 +191,7 @@ gf100_ltc_init_tag_ram(struct nvkm_fb *fb, struct nvkm_ltc_priv *ltc)
 	tag_size += tag_align;
 	tag_size  = (tag_size + 0xfff) >> 12; /* round up */
 
-	ret = nvkm_mm_tail(&fb->vram, 1, 1, tag_size, tag_size, 1,
+	ret = nvkm_mm_tail(&ram->vram, 1, 1, tag_size, tag_size, 1,
 			   &ltc->tag_ram);
 	if (ret) {
 		ltc->num_tags = 0;
@@ -214,7 +215,6 @@ gf100_ltc_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	       struct nvkm_object **pobject)
 {
 	struct nvkm_device *device = (void *)parent;
-	struct nvkm_fb *fb = device->fb;
 	struct nvkm_ltc_priv *ltc;
 	u32 parts, mask;
 	int ret, i;
@@ -232,7 +232,7 @@ gf100_ltc_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	}
 	ltc->lts_nr = nvkm_rd32(device, 0x17e8dc) >> 28;
 
-	ret = gf100_ltc_init_tag_ram(fb, ltc);
+	ret = gf100_ltc_init_tag_ram(ltc);
 	if (ret)
 		return ret;
 
diff --git a/drm/nouveau/nvkm/subdev/ltc/gm107.c b/drm/nouveau/nvkm/subdev/ltc/gm107.c
index 222f37e50..431acbef6 100644
--- a/drm/nouveau/nvkm/subdev/ltc/gm107.c
+++ b/drm/nouveau/nvkm/subdev/ltc/gm107.c
@@ -124,7 +124,6 @@ gm107_ltc_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	       struct nvkm_object **pobject)
 {
 	struct nvkm_device *device = (void *)parent;
-	struct nvkm_fb *fb = device->fb;
 	struct nvkm_ltc_priv *ltc;
 	u32 parts, mask;
 	int ret, i;
@@ -142,7 +141,7 @@ gm107_ltc_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	}
 	ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28;
 
-	ret = gf100_ltc_init_tag_ram(fb, ltc);
+	ret = gf100_ltc_init_tag_ram(ltc);
 	if (ret)
 		return ret;
 
diff --git a/drm/nouveau/nvkm/subdev/ltc/priv.h b/drm/nouveau/nvkm/subdev/ltc/priv.h
index 09537d7b6..0544288b0 100644
--- a/drm/nouveau/nvkm/subdev/ltc/priv.h
+++ b/drm/nouveau/nvkm/subdev/ltc/priv.h
@@ -45,7 +45,7 @@ int  gf100_ltc_ctor(struct nvkm_object *, struct nvkm_object *,
 		    struct nvkm_oclass *, void *, u32,
 		    struct nvkm_object **);
 void gf100_ltc_dtor(struct nvkm_object *);
-int  gf100_ltc_init_tag_ram(struct nvkm_fb *, struct nvkm_ltc_priv *);
+int  gf100_ltc_init_tag_ram(struct nvkm_ltc_priv *);
 int  gf100_ltc_tags_alloc(struct nvkm_ltc *, u32, struct nvkm_mm_node **);
 void gf100_ltc_tags_free(struct nvkm_ltc *, struct nvkm_mm_node **);