That is certainly totally nonsense. dma_fence_enable_sw_signaling() is the function who is calling this callback. Signed-off-by: Chunming Zhou <david1.zhou at amd.com> Cc: Jason Ekstrand <jason at jlekstrand.net> --- drivers/gpu/drm/drm_syncobj.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index 3a8837c49639..d17ed75ac7e2 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -184,7 +184,6 @@ static const char *drm_syncobj_null_fence_get_name(struct dma_fence *fence) static bool drm_syncobj_null_fence_enable_signaling(struct dma_fence *fence) { - dma_fence_enable_sw_signaling(fence); return !dma_fence_is_signaled(fence); } -- 2.14.1