drm/amdgpu: move lockdep assert to the right place.
authorChristian König <christian.koenig@amd.com>
Fri, 4 Feb 2022 08:42:22 +0000 (09:42 +0100)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 7 Feb 2022 23:03:50 +0000 (18:03 -0500)
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@amd.com>
Reported-by: Bhardwaj, Rajneesh <Rajneesh.Bhardwaj@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

index e0a2f5211b739d79618de50abfe92ece2b4778ca..37acd8911168138c9cd17a9b81c6b7015cb2ace9 100644 (file)
@@ -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);
@@ -2244,8 +2246,6 @@ 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;