Requested by both Bas and Friedrich. Mapping PTEs as PRT doesn't need to sync for anything. Signed-off-by: Christian König <christian.koenig@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 13d429b91327..a42e172b7dbc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1158,7 +1158,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, int r; amdgpu_sync_create(&sync); - if (clear || !bo) { + if (clear) { mem = NULL; /* Implicitly sync to command submissions in the same VM before @@ -1173,6 +1173,10 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, if (r) goto error_free; } + } else if (!bo) { + mem = NULL; + + /* PRT map operations don't need to sync to anything. */ } else { struct drm_gem_object *obj = &bo->tbo.base; -- 2.34.1