On 12/1/25 11:50, Philipp Stanner wrote:
> The return code of dma_fence_signal() is not useful and shall be removed
> from the kernel. To do so, the few users who rely on the return code
> must be ported.
>
> Use dma_fence_check_and_signal() and mapp its boolean return code to
> dma_fence_signal()'s former value for already-signaled fences.
>
> Suggested-by: Christian König <christian.koenig@amd.com>
> Signed-off-by: Philipp Stanner <phasta@kernel.org>
Reviewed-by: Christian König <christian.koenig@amd.com>
> ---
> drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c b/drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c
> index 1bcc67977f48..eaf2e91f8e97 100644
> --- a/drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c
> +++ b/drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c
> @@ -692,7 +692,7 @@ static int threaded_fence_signal(void *arg)
>
> msleep(20);
>
> - return dma_fence_signal(fence);
> + return dma_fence_check_and_signal(fence) ? -EINVAL : 0;
> }
>
> static void ttm_bo_validate_move_fence_not_signaled(struct kunit *test)