diff options
| author | Christian König <christian.koenig@amd.com> | 2015-04-27 17:04:35 +0200 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2015-07-03 12:34:21 -0400 |
| commit | 268c4693e3431ad7dd25ef8e50742cbfb1badd73 (patch) | |
| tree | 9f02b2eceb49c1555009ae16b4585a943e3f86dc /drivers/gpu | |
| parent | 92e022e63b29ec2564e3a5c2a6294bb3389f8c72 (diff) | |
| download | lwn-268c4693e3431ad7dd25ef8e50742cbfb1badd73.tar.gz lwn-268c4693e3431ad7dd25ef8e50742cbfb1badd73.zip | |
drm/radeon: reset BOs address after clearing it.
[ Upstream commit 48afbd70ac7b6aa62e8d452091023941d8085f8a ]
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>
CC: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'drivers/gpu')
| -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 b0c4958a3993..190eb5bee4eb 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -513,6 +513,8 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev, tmp->addr = bo_va->addr; tmp->bo = radeon_bo_ref(bo_va->bo); list_add(&tmp->vm_status, &vm->freed); + + bo_va->addr = 0; } interval_tree_remove(&bo_va->it, &vm->va); |