drm/amdgpu: fix VM clearing for the root PD

We need to figure out the address after validating the BO, not before.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index ece0ac7..e40ca86 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -369,7 +369,6 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
        uint64_t addr;
        int r;
 
-       addr = amdgpu_bo_gpu_offset(bo);
        entries = amdgpu_bo_size(bo) / 8;
 
        if (pte_support_ats) {
@@ -401,6 +400,7 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
        if (r)
                goto error;
 
+       addr = amdgpu_bo_gpu_offset(bo);
        if (ats_entries) {
                uint64_t ats_value;