Am 2022-02-04 um 03:52 schrieb Christian König:
Since newly added BOs don't have any mappings it's ok to add them
without holding the VM lock. Only when we add per VM BOs the lock is
mandatory.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Reported-by: Bhardwaj, Rajneesh <Rajneesh.Bhardwaj@xxxxxxx>
Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index fdc6a1fd74af..dcc80d6e099e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -375,6 +375,8 @@ static void amdgpu_vm_bo_base_init(struct amdgpu_vm_bo_base *base,
if (bo->tbo.base.resv != vm->root.bo->tbo.base.resv)
return;
+ dma_resv_assert_held(vm->root.bo->tbo.base.resv);
+
vm->bulk_moveable = false;
if (bo->tbo.type == ttm_bo_type_kernel && bo->parent)
amdgpu_vm_bo_relocated(base);
@@ -2260,8 +2262,6 @@ struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev,
{
struct amdgpu_bo_va *bo_va;
- dma_resv_assert_held(vm->root.bo->tbo.base.resv);
-
bo_va = kzalloc(sizeof(struct amdgpu_bo_va), GFP_KERNEL);
if (bo_va == NULL) {
return NULL;
