From 48afbd70ac7b6aa62e8d452091023941d8085f8a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Mon, 27 Apr 2015 17:04:35 +0200 Subject: [PATCH] drm/radeon: reset BOs address after clearing it. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Otherwise it is possible that we will have page table corruption if we change a BOs address multiple times. Signed-off-by: Christian König CC: stable@vger.kernel.org Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_vm.c | 2 ++ 1 file changed, 2 insertions(+) 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); -- 2.20.1