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Commit d0659d32 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/mmu: directly use instmem for page tables 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent d8e83994

drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h

+1 −1
Original line number Diff line number Diff line
@@ -53,7 +53,7 @@ void nvkm_gpuobj_destroy(struct nvkm_gpuobj *); 


int  nvkm_gpuobj_new(struct nvkm_object *, struct nvkm_object *, u32 size,

		     u32 align, u32 flags, struct nvkm_gpuobj **);

int  nvkm_gpuobj_dup(struct nvkm_object *, struct nvkm_gpuobj *,

int  nvkm_gpuobj_dup(struct nvkm_object *, struct nvkm_memory *,

		     struct nvkm_gpuobj **);

int  nvkm_gpuobj_map(struct nvkm_gpuobj *, u32 acc, struct nvkm_vma *);

int  nvkm_gpuobj_map_vm(struct nvkm_gpuobj *, struct nvkm_vm *, u32 access,

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

+6 −5
Original line number Diff line number Diff line
@@ -6,7 +6,7 @@ struct nvkm_device; 
struct nvkm_mem;



struct nvkm_vm_pgt {

	struct nvkm_gpuobj *obj[2];

	struct nvkm_memory *mem[2];

	u32 refcount[2];

};
@@ -53,13 +53,14 @@ struct nvkm_mmu { 
		       struct nvkm_vm **);



	void (*map_pgt)(struct nvkm_gpuobj *pgd, u32 pde,

			struct nvkm_gpuobj *pgt[2]);

	void (*map)(struct nvkm_vma *, struct nvkm_gpuobj *,

			struct nvkm_memory *pgt[2]);

	void (*map)(struct nvkm_vma *, struct nvkm_memory *,

		    struct nvkm_mem *, u32 pte, u32 cnt,

		    u64 phys, u64 delta);

	void (*map_sg)(struct nvkm_vma *, struct nvkm_gpuobj *,

	void (*map_sg)(struct nvkm_vma *, struct nvkm_memory *,

		       struct nvkm_mem *, u32 pte, u32 cnt, dma_addr_t *);

	void (*unmap)(struct nvkm_gpuobj *pgt, u32 pte, u32 cnt);

	void (*unmap)(struct nvkm_vma *, struct nvkm_memory *pgt,

		      u32 pte, u32 cnt);

	void (*flush)(struct nvkm_vm *);

};

drivers/gpu/drm/nouveau/nvkm/core/gpuobj.c

+3 −5
Original line number Diff line number Diff line
@@ -308,7 +308,6 @@ static void 
nvkm_gpudup_dtor(struct nvkm_object *object)

{

	struct nvkm_gpuobj *gpuobj = (void *)object;

	nvkm_object_ref(NULL, (struct nvkm_object **)&gpuobj->parent);

	nvkm_object_destroy(&gpuobj->object);

}
@@ -323,7 +322,7 @@ nvkm_gpudup_oclass = { 
};



int

nvkm_gpuobj_dup(struct nvkm_object *parent, struct nvkm_gpuobj *base,

nvkm_gpuobj_dup(struct nvkm_object *parent, struct nvkm_memory *base,

		struct nvkm_gpuobj **pgpuobj)

{

	struct nvkm_gpuobj *gpuobj;
@@ -335,8 +334,7 @@ nvkm_gpuobj_dup(struct nvkm_object *parent, struct nvkm_gpuobj *base, 
	if (ret)

		return ret;



	nvkm_object_ref(nv_object(base), (struct nvkm_object **)&gpuobj->parent);

	gpuobj->addr = base->addr;

	gpuobj->size = base->size;

	gpuobj->addr = nvkm_memory_addr(base);

	gpuobj->size = nvkm_memory_size(base);

	return 0;

}

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

+1 −1
Original line number Diff line number Diff line
@@ -61,7 +61,7 @@ nv04_dmaobj_bind(struct nvkm_dmaobj *obj, struct nvkm_object *parent, 


	if (dmaobj->clone) {

		struct nv04_mmu *mmu = nv04_mmu(dmaobj);

		struct nvkm_gpuobj *pgt = mmu->vm->pgt[0].obj[0];

		struct nvkm_memory *pgt = mmu->vm->pgt[0].mem[0];

		if (!dmaobj->base.start)

			return nvkm_gpuobj_dup(parent, pgt, pgpuobj);

		nvkm_kmap(pgt);

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

+1 −1
Original line number Diff line number Diff line
@@ -161,7 +161,7 @@ gf100_bar_dtor(struct nvkm_object *object) 
	nvkm_gpuobj_ref(NULL, &bar->bar[1].mem);



	if (bar->bar[0].vm) {

		nvkm_gpuobj_ref(NULL, &bar->bar[0].vm->pgt[0].obj[0]);

		nvkm_memory_del(&bar->bar[0].vm->pgt[0].mem[0]);

		nvkm_vm_ref(NULL, &bar->bar[0].vm, bar->bar[0].pgd);

	}

	nvkm_gpuobj_ref(NULL, &bar->bar[0].pgd);