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drm/radeon: check if BO_VA is set before adding it to the invalidation list 

Otherwise we try to clear BO_VAs without an address.

Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=91141

Signed-off-by: Christian König <christian.koenig@amd.com>
Test-by: hadack@gmx.de
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2015-07-08 09:56:14 +02:00 committed by Alex Deucher
parent eb99070b4a
commit dbedff05d1
1 changed files with 5 additions and 5 deletions
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10
drivers/gpu/drm/radeon/radeon_vm.c
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@ -507,22 +507,21 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
tmp->bo = radeon_bo_ref(bo_va->bo);
interval_tree_remove(&bo_va->it, &vm->va);
spin_lock(&vm->status_lock);
bo_va->it.start = 0;
bo_va->it.last = 0;
spin_lock(&vm->status_lock);
list_del_init(&bo_va->vm_status);
list_add(&tmp->vm_status, &vm->freed);
spin_unlock(&vm->status_lock);
}
if (soffset || eoffset) {
spin_lock(&vm->status_lock);
bo_va->it.start = soffset;
bo_va->it.last = eoffset - 1;
interval_tree_insert(&bo_va->it, &vm->va);
spin_lock(&vm->status_lock);
list_add(&bo_va->vm_status, &vm->cleared);
spin_unlock(&vm->status_lock);
interval_tree_insert(&bo_va->it, &vm->va);
}
bo_va->flags = flags;
@ -1156,7 +1155,8 @@ void radeon_vm_bo_invalidate(struct radeon_device *rdev,
list_for_each_entry(bo_va, &bo->va, bo_list) {
spin_lock(&bo_va->vm->status_lock);
if (list_empty(&bo_va->vm_status))
if (list_empty(&bo_va->vm_status) &&
(bo_va->it.start || bo_va->it.last))
list_add(&bo_va->vm_status, &bo_va->vm->invalidated);
spin_unlock(&bo_va->vm->status_lock);
}