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drm/nouveau: add some debug output if nouveau_mm busy at destroy time 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-06-07 16:18:19 +10:00
parent e41f26e7d1
commit ad9ac437a5
2 changed files with 10 additions and 3 deletions
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11
drivers/gpu/drm/nouveau/nouveau_mm.c
View File

@ -158,11 +158,18 @@ int
nouveau_mm_fini(struct nouveau_mm **prmm)
{
struct nouveau_mm *rmm = *prmm;
struct nouveau_mm_node *heap =
struct nouveau_mm_node *node, *heap =
list_first_entry(&rmm->nodes, struct nouveau_mm_node, nl_entry);
if (!list_is_singular(&rmm->nodes))
if (!list_is_singular(&rmm->nodes)) {
printk(KERN_ERR "nouveau_mm not empty at destroy time!\n");
list_for_each_entry(node, &rmm->nodes, nl_entry) {
printk(KERN_ERR "0x%02x: 0x%08x 0x%08x\n",
node->type, node->offset, node->length);
}
WARN_ON(1);
return -EBUSY;
}
kfree(heap);
kfree(rmm);

2
drivers/gpu/drm/nouveau/nouveau_vm.c
View File

@ -396,8 +396,8 @@ 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);
}