diff options
| author | Christian König <christian.koenig@amd.com> | 2015-04-27 17:04:35 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-13 05:14:31 -0700 |
| commit | e488a25194bbbb0e4e472cf30932db3e467dc3a9 (patch) | |
| tree | f2f641bf3de660101b5c5114958023c708eeeacd /drivers | |
| parent | 01c74f735d649f061287190a289bbbee000bd2a2 (diff) | |
drm/radeon: reset BOs address after clearing it.
commit 48afbd70ac7b6aa62e8d452091023941d8085f8a upstream.
Otherwise it is possible that we will have page table corruption
if we change a BOs address multiple times.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_vm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index 16d8e95abd94..cabcb0aafe03 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -490,6 +490,8 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev, spin_lock(&vm->status_lock); list_add(&tmp->vm_status, &vm->freed); spin_unlock(&vm->status_lock); + + bo_va->addr = 0; } interval_tree_remove(&bo_va->it, &vm->va); |