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path: root/drivers/gpu/drm/nouveau/nouveau_vm.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_vm.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_vm.c61
1 files changed, 32 insertions, 29 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_vm.c b/drivers/gpu/drm/nouveau/nouveau_vm.c
index 519a6b4..ef0832b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_vm.c
@@ -172,9 +172,9 @@ nouveau_vm_unmap_pgt(struct nouveau_vm *vm, int big, u32 fpde, u32 lpde)
vm->map_pgt(vpgd->obj, pde, vpgt->obj);
}
- mutex_unlock(&vm->mm->mutex);
+ mutex_unlock(&vm->mm.mutex);
nouveau_gpuobj_ref(NULL, &pgt);
- mutex_lock(&vm->mm->mutex);
+ mutex_lock(&vm->mm.mutex);
}
}
@@ -191,18 +191,18 @@ nouveau_vm_map_pgt(struct nouveau_vm *vm, u32 pde, u32 type)
pgt_size = (1 << (vm->pgt_bits + 12)) >> type;
pgt_size *= 8;
- mutex_unlock(&vm->mm->mutex);
+ mutex_unlock(&vm->mm.mutex);
ret = nouveau_gpuobj_new(vm->dev, NULL, pgt_size, 0x1000,
NVOBJ_FLAG_ZERO_ALLOC, &pgt);
- mutex_lock(&vm->mm->mutex);
+ mutex_lock(&vm->mm.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(&vm->mm.mutex);
nouveau_gpuobj_ref(NULL, &pgt);
- mutex_lock(&vm->mm->mutex);
+ mutex_lock(&vm->mm.mutex);
return 0;
}
@@ -223,10 +223,10 @@ nouveau_vm_get(struct nouveau_vm *vm, u64 size, u32 page_shift,
u32 fpde, lpde, pde;
int ret;
- mutex_lock(&vm->mm->mutex);
- ret = nouveau_mm_get(vm->mm, page_shift, msize, 0, align, &vma->node);
+ mutex_lock(&vm->mm.mutex);
+ ret = nouveau_mm_get(&vm->mm, page_shift, msize, 0, align, &vma->node);
if (unlikely(ret != 0)) {
- mutex_unlock(&vm->mm->mutex);
+ mutex_unlock(&vm->mm.mutex);
return ret;
}
@@ -245,13 +245,13 @@ nouveau_vm_get(struct nouveau_vm *vm, u64 size, u32 page_shift,
if (ret) {
if (pde != fpde)
nouveau_vm_unmap_pgt(vm, big, fpde, pde - 1);
- nouveau_mm_put(vm->mm, vma->node);
- mutex_unlock(&vm->mm->mutex);
+ nouveau_mm_put(&vm->mm, vma->node);
+ mutex_unlock(&vm->mm.mutex);
vma->node = NULL;
return ret;
}
}
- mutex_unlock(&vm->mm->mutex);
+ mutex_unlock(&vm->mm.mutex);
vma->vm = vm;
vma->offset = (u64)vma->node->offset << 12;
@@ -270,11 +270,11 @@ nouveau_vm_put(struct nouveau_vma *vma)
fpde = (vma->node->offset >> vm->pgt_bits);
lpde = (vma->node->offset + vma->node->length - 1) >> vm->pgt_bits;
- mutex_lock(&vm->mm->mutex);
+ mutex_lock(&vm->mm.mutex);
nouveau_vm_unmap_pgt(vm, vma->node->type != vm->spg_shift, fpde, lpde);
- nouveau_mm_put(vm->mm, vma->node);
+ nouveau_mm_put(&vm->mm, vma->node);
vma->node = NULL;
- mutex_unlock(&vm->mm->mutex);
+ mutex_unlock(&vm->mm.mutex);
}
int
@@ -306,7 +306,7 @@ nouveau_vm_new(struct drm_device *dev, u64 offset, u64 length, u64 mm_offset,
block = length;
} else
- if (dev_priv->card_type == NV_C0) {
+ if (dev_priv->card_type >= NV_C0) {
vm->map_pgt = nvc0_vm_map_pgt;
vm->map = nvc0_vm_map;
vm->map_sg = nvc0_vm_map_sg;
@@ -360,32 +360,35 @@ nouveau_vm_link(struct nouveau_vm *vm, struct nouveau_gpuobj *pgd)
nouveau_gpuobj_ref(pgd, &vpgd->obj);
- mutex_lock(&vm->mm->mutex);
+ mutex_lock(&vm->mm.mutex);
for (i = vm->fpde; i <= vm->lpde; i++)
vm->map_pgt(pgd, i, vm->pgt[i - vm->fpde].obj);
list_add(&vpgd->head, &vm->pgd_list);
- mutex_unlock(&vm->mm->mutex);
+ mutex_unlock(&vm->mm.mutex);
return 0;
}
static void
-nouveau_vm_unlink(struct nouveau_vm *vm, struct nouveau_gpuobj *pgd)
+nouveau_vm_unlink(struct nouveau_vm *vm, struct nouveau_gpuobj *mpgd)
{
struct nouveau_vm_pgd *vpgd, *tmp;
+ struct nouveau_gpuobj *pgd = NULL;
- if (!pgd)
+ if (!mpgd)
return;
- mutex_lock(&vm->mm->mutex);
+ mutex_lock(&vm->mm.mutex);
list_for_each_entry_safe(vpgd, tmp, &vm->pgd_list, head) {
- if (vpgd->obj != pgd)
- continue;
-
- list_del(&vpgd->head);
- nouveau_gpuobj_ref(NULL, &vpgd->obj);
- kfree(vpgd);
+ if (vpgd->obj == mpgd) {
+ pgd = vpgd->obj;
+ list_del(&vpgd->head);
+ kfree(vpgd);
+ break;
+ }
}
- mutex_unlock(&vm->mm->mutex);
+ mutex_unlock(&vm->mm.mutex);
+
+ nouveau_gpuobj_ref(NULL, &pgd);
}
static void
@@ -396,8 +399,8 @@ nouveau_vm_del(struct nouveau_vm *vm)
list_for_each_entry_safe(vpgd, tmp, &vm->pgd_list, head) {
nouveau_vm_unlink(vm, vpgd->obj);
}
- WARN_ON(nouveau_mm_fini(&vm->mm) != 0);
+ nouveau_mm_fini(&vm->mm);
kfree(vm->pgt);
kfree(vm);
}