diff options
author | Alexander Graf <agraf@suse.de> | 2013-08-29 02:41:59 +0400 |
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committer | Alexander Graf <agraf@suse.de> | 2013-08-29 02:41:59 +0400 |
commit | bf550fc93d9855872a95e69e4002256110d89858 (patch) | |
tree | 10876bb4304bffe54c4160a132e7b8de6577ac4e /drivers/gpu/drm/nouveau/core/subdev/vm/base.c | |
parent | 7e48c101e0c53e6095c5f4f5e63d14df50aae8fc (diff) | |
parent | cc2df20c7c4ce594c3e17e9cc260c330646012c8 (diff) | |
download | linux-bf550fc93d9855872a95e69e4002256110d89858.tar.xz |
Merge remote-tracking branch 'origin/next' into kvm-ppc-next
Conflicts:
mm/Kconfig
CMA DMA split and ZSWAP introduction were conflicting, fix up manually.
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/vm/base.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/vm/base.c | 44 |
1 files changed, 24 insertions, 20 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c index 77c67fc970e6..67fcb6c852ac 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c @@ -236,9 +236,9 @@ nouveau_vm_unmap_pgt(struct nouveau_vm *vm, int big, u32 fpde, u32 lpde) vmm->map_pgt(vpgd->obj, pde, vpgt->obj); } - mutex_unlock(&vm->mm.mutex); + mutex_unlock(&nv_subdev(vmm)->mutex); nouveau_gpuobj_ref(NULL, &pgt); - mutex_lock(&vm->mm.mutex); + mutex_lock(&nv_subdev(vmm)->mutex); } } @@ -256,18 +256,18 @@ nouveau_vm_map_pgt(struct nouveau_vm *vm, u32 pde, u32 type) pgt_size = (1 << (vmm->pgt_bits + 12)) >> type; pgt_size *= 8; - mutex_unlock(&vm->mm.mutex); + mutex_unlock(&nv_subdev(vmm)->mutex); ret = nouveau_gpuobj_new(nv_object(vm->vmm), NULL, pgt_size, 0x1000, NVOBJ_FLAG_ZERO_ALLOC, &pgt); - mutex_lock(&vm->mm.mutex); + mutex_lock(&nv_subdev(vmm)->mutex); if (unlikely(ret)) return ret; /* someone beat us to filling the PDE while we didn't have the lock */ if (unlikely(vpgt->refcount[big]++)) { - mutex_unlock(&vm->mm.mutex); + mutex_unlock(&nv_subdev(vmm)->mutex); nouveau_gpuobj_ref(NULL, &pgt); - mutex_lock(&vm->mm.mutex); + mutex_lock(&nv_subdev(vmm)->mutex); return 0; } @@ -289,11 +289,11 @@ nouveau_vm_get(struct nouveau_vm *vm, u64 size, u32 page_shift, u32 fpde, lpde, pde; int ret; - mutex_lock(&vm->mm.mutex); + mutex_lock(&nv_subdev(vmm)->mutex); ret = nouveau_mm_head(&vm->mm, page_shift, msize, msize, align, &vma->node); if (unlikely(ret != 0)) { - mutex_unlock(&vm->mm.mutex); + mutex_unlock(&nv_subdev(vmm)->mutex); return ret; } @@ -314,13 +314,14 @@ nouveau_vm_get(struct nouveau_vm *vm, u64 size, u32 page_shift, if (pde != fpde) nouveau_vm_unmap_pgt(vm, big, fpde, pde - 1); nouveau_mm_free(&vm->mm, &vma->node); - mutex_unlock(&vm->mm.mutex); + mutex_unlock(&nv_subdev(vmm)->mutex); return ret; } } - mutex_unlock(&vm->mm.mutex); + mutex_unlock(&nv_subdev(vmm)->mutex); - vma->vm = vm; + vma->vm = NULL; + nouveau_vm_ref(vm, &vma->vm, NULL); vma->offset = (u64)vma->node->offset << 12; vma->access = access; return 0; @@ -338,10 +339,12 @@ nouveau_vm_put(struct nouveau_vma *vma) fpde = (vma->node->offset >> vmm->pgt_bits); lpde = (vma->node->offset + vma->node->length - 1) >> vmm->pgt_bits; - mutex_lock(&vm->mm.mutex); + mutex_lock(&nv_subdev(vmm)->mutex); nouveau_vm_unmap_pgt(vm, vma->node->type != vmm->spg_shift, fpde, lpde); nouveau_mm_free(&vm->mm, &vma->node); - mutex_unlock(&vm->mm.mutex); + mutex_unlock(&nv_subdev(vmm)->mutex); + + nouveau_vm_ref(NULL, &vma->vm, NULL); } int @@ -362,7 +365,7 @@ nouveau_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length, vm->fpde = offset >> (vmm->pgt_bits + 12); vm->lpde = (offset + length - 1) >> (vmm->pgt_bits + 12); - vm->pgt = kcalloc(vm->lpde - vm->fpde + 1, sizeof(*vm->pgt), GFP_KERNEL); + vm->pgt = vzalloc((vm->lpde - vm->fpde + 1) * sizeof(*vm->pgt)); if (!vm->pgt) { kfree(vm); return -ENOMEM; @@ -371,7 +374,7 @@ nouveau_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length, ret = nouveau_mm_init(&vm->mm, mm_offset >> 12, mm_length >> 12, block >> 12); if (ret) { - kfree(vm->pgt); + vfree(vm->pgt); kfree(vm); return ret; } @@ -405,24 +408,25 @@ nouveau_vm_link(struct nouveau_vm *vm, struct nouveau_gpuobj *pgd) nouveau_gpuobj_ref(pgd, &vpgd->obj); - mutex_lock(&vm->mm.mutex); + mutex_lock(&nv_subdev(vmm)->mutex); for (i = vm->fpde; i <= vm->lpde; i++) vmm->map_pgt(pgd, i, vm->pgt[i - vm->fpde].obj); list_add(&vpgd->head, &vm->pgd_list); - mutex_unlock(&vm->mm.mutex); + mutex_unlock(&nv_subdev(vmm)->mutex); return 0; } static void nouveau_vm_unlink(struct nouveau_vm *vm, struct nouveau_gpuobj *mpgd) { + struct nouveau_vmmgr *vmm = vm->vmm; struct nouveau_vm_pgd *vpgd, *tmp; struct nouveau_gpuobj *pgd = NULL; if (!mpgd) return; - mutex_lock(&vm->mm.mutex); + mutex_lock(&nv_subdev(vmm)->mutex); list_for_each_entry_safe(vpgd, tmp, &vm->pgd_list, head) { if (vpgd->obj == mpgd) { pgd = vpgd->obj; @@ -431,7 +435,7 @@ nouveau_vm_unlink(struct nouveau_vm *vm, struct nouveau_gpuobj *mpgd) break; } } - mutex_unlock(&vm->mm.mutex); + mutex_unlock(&nv_subdev(vmm)->mutex); nouveau_gpuobj_ref(NULL, &pgd); } @@ -446,7 +450,7 @@ nouveau_vm_del(struct nouveau_vm *vm) } nouveau_mm_fini(&vm->mm); - kfree(vm->pgt); + vfree(vm->pgt); kfree(vm); } |