drm/nouveau/mmu: remove old vm creation hooks

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

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

@@ -616,31 +616,6 @@ nvkm_vm_legacy(struct nvkm_mmu *mmu, u64 offset, u64 length, u64 mm_offset,
 	return 0;
 }
 
-int
-nvkm_vm_create(struct nvkm_mmu *mmu, u64 offset, u64 length, u64 mm_offset,
-	       u32 block, struct lock_class_key *key, struct nvkm_vm **pvm)
-{
-	static struct lock_class_key _key;
-	struct nvkm_vm *vm;
-	int ret;
-
-	vm = kzalloc(sizeof(*vm), GFP_KERNEL);
-	if (!vm)
-		return -ENOMEM;
-
-	__mutex_init(&vm->mutex, "&vm->mutex", key ? key : &_key);
-	vm->mmu = mmu;
-
-	ret = nvkm_vm_legacy(mmu, offset, length, mm_offset, block, vm);
-	if (ret) {
-		kfree(vm);
-		return ret;
-	}
-
-	*pvm = vm;
-	return 0;
-}
-
 int
 nvkm_vm_new(struct nvkm_device *device, u64 offset, u64 length, u64 mm_offset,
 	    struct lock_class_key *key, struct nvkm_vm **pvm)
@@ -666,10 +641,7 @@ nvkm_vm_new(struct nvkm_device *device, u64 offset, u64 length, u64 mm_offset,
 		return ret;
 	}
 
-	if (!mmu->func->create)
-		return -EINVAL;
-
-	return mmu->func->create(mmu, offset, length, mm_offset, key, pvm);
+	return -EINVAL;
 }
 
 static int

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

@@ -30,7 +30,6 @@ g84_mmu = {
 	.pgt_bits  = 29 - 12,
 	.spg_shift = 12,
 	.lpg_shift = 16,
-	.create = nv50_vm_create,
 	.map_pgt = nv50_vm_map_pgt,
 	.map = nv50_vm_map,
 	.map_sg = nv50_vm_map_sg,

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

@@ -190,13 +190,6 @@ gf100_vm_flush(struct nvkm_vm *vm)
 	mutex_unlock(&mmu->subdev.mutex);
 }
 
-int
-gf100_vm_create(struct nvkm_mmu *mmu, u64 offset, u64 length, u64 mm_offset,
-		struct lock_class_key *key, struct nvkm_vm **pvm)
-{
-	return nvkm_vm_create(mmu, offset, length, mm_offset, 4096, key, pvm);
-}
-
 static const struct nvkm_mmu_func
 gf100_mmu = {
 	.limit = (1ULL << 40),
@@ -204,7 +197,6 @@ gf100_mmu = {
 	.pgt_bits  = 27 - 12,
 	.spg_shift = 12,
 	.lpg_shift = 17,
-	.create = gf100_vm_create,
 	.map_pgt = gf100_vm_map_pgt,
 	.map = gf100_vm_map,
 	.map_sg = gf100_vm_map_sg,

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

@@ -30,7 +30,6 @@ gk104_mmu = {
 	.pgt_bits  = 27 - 12,
 	.spg_shift = 12,
 	.lpg_shift = 17,
-	.create = gf100_vm_create,
 	.map_pgt = gf100_vm_map_pgt,
 	.map = gf100_vm_map,
 	.map_sg = gf100_vm_map_sg,

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

@@ -30,7 +30,6 @@ gk20a_mmu = {
 	.pgt_bits  = 27 - 12,
 	.spg_shift = 12,
 	.lpg_shift = 17,
-	.create = gf100_vm_create,
 	.map_pgt = gf100_vm_map_pgt,
 	.map = gf100_vm_map,
 	.map_sg = gf100_vm_map_sg,

drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm200.c

@@ -32,7 +32,6 @@ gm200_mmu = {
 	.pgt_bits  = 27 - 12,
 	.spg_shift = 12,
 	.lpg_shift = 17,
-	.create = gf100_vm_create,
 	.map_pgt = gf100_vm_map_pgt,
 	.map = gf100_vm_map,
 	.map_sg = gf100_vm_map_sg,
@@ -48,7 +47,6 @@ gm200_mmu_fixed = {
 	.pgt_bits  = 27 - 12,
 	.spg_shift = 12,
 	.lpg_shift = 17,
-	.create = gf100_vm_create,
 	.map_pgt = gf100_vm_map_pgt,
 	.map = gf100_vm_map,
 	.map_sg = gf100_vm_map_sg,

drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c

@@ -32,7 +32,6 @@ gm20b_mmu = {
 	.pgt_bits  = 27 - 12,
 	.spg_shift = 12,
 	.lpg_shift = 17,
-	.create = gf100_vm_create,
 	.map_pgt = gf100_vm_map_pgt,
 	.map = gf100_vm_map,
 	.map_sg = gf100_vm_map_sg,
@@ -48,7 +47,6 @@ gm20b_mmu_fixed = {
 	.pgt_bits  = 27 - 12,
 	.spg_shift = 12,
 	.lpg_shift = 17,
-	.create = gf100_vm_create,
 	.map_pgt = gf100_vm_map_pgt,
 	.map = gf100_vm_map,
 	.map_sg = gf100_vm_map_sg,

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

@@ -200,16 +200,6 @@ nv50_vm_flush(struct nvkm_vm *vm)
 	mutex_unlock(&subdev->mutex);
 }
 
-int
-nv50_vm_create(struct nvkm_mmu *mmu, u64 offset, u64 length, u64 mm_offset,
-	       struct lock_class_key *key, struct nvkm_vm **pvm)
-{
-	u32 block = (1 << (mmu->func->pgt_bits + 12));
-	if (block > length)
-		block = length;
-	return nvkm_vm_create(mmu, offset, length, mm_offset, block, key, pvm);
-}
-
 static const struct nvkm_mmu_func
 nv50_mmu = {
 	.limit = (1ULL << 40),
@@ -217,7 +207,6 @@ nv50_mmu = {
 	.pgt_bits  = 29 - 12,
 	.spg_shift = 12,
 	.lpg_shift = 16,
-	.create = nv50_vm_create,
 	.map_pgt = nv50_vm_map_pgt,
 	.map = nv50_vm_map,
 	.map_sg = nv50_vm_map_sg,

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

@@ -18,9 +18,6 @@ struct nvkm_mmu_func {
 	u8  spg_shift;
 	u8  lpg_shift;
 
-	int  (*create)(struct nvkm_mmu *, u64 offset, u64 length, u64 mm_offset,
-		       struct lock_class_key *, struct nvkm_vm **);
-
 	void (*map_pgt)(struct nvkm_gpuobj *pgd, u32 pde,
 			struct nvkm_memory *pgt[2]);
 	void (*map)(struct nvkm_vma *, struct nvkm_memory *,
@@ -42,13 +39,8 @@ struct nvkm_mmu_func {
 	} vmm;
 };
 
-int nvkm_vm_create(struct nvkm_mmu *, u64, u64, u64, u32,
-		   struct lock_class_key *, struct nvkm_vm **);
-
 extern const struct nvkm_mmu_func nv04_mmu;
 
-int nv50_vm_create(struct nvkm_mmu *, u64, u64, u64, struct lock_class_key *,
-		   struct nvkm_vm **);
 void nv50_vm_map_pgt(struct nvkm_gpuobj *, u32, struct nvkm_memory **);
 void nv50_vm_map(struct nvkm_vma *, struct nvkm_memory *, struct nvkm_mem *,
 		 u32, u32, u64, u64);
@@ -57,8 +49,6 @@ void nv50_vm_map_sg(struct nvkm_vma *, struct nvkm_memory *, struct nvkm_mem *,
 void nv50_vm_unmap(struct nvkm_vma *, struct nvkm_memory *, u32, u32);
 void nv50_vm_flush(struct nvkm_vm *);
 
-int gf100_vm_create(struct nvkm_mmu *, u64, u64, u64, struct lock_class_key *,
-		    struct nvkm_vm **);
 void gf100_vm_map_pgt(struct nvkm_gpuobj *, u32, struct nvkm_memory **);
 void gf100_vm_map(struct nvkm_vma *, struct nvkm_memory *, struct nvkm_mem *,
 		  u32, u32, u64, u64);