[PATCH v2] drm/syncobj: Fix sync syncobj issue

[jie1zhan]

enable signaling after flatten dma_fence_chains on transfer

Signed-off-by: jie1zhan <jesse.zhang at amd.com>
---
 drivers/gpu/drm/drm_syncobj.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
index 7e48dcd1bee4..0d9d3577325f 100644
--- a/drivers/gpu/drm/drm_syncobj.c
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -920,6 +920,7 @@ static int drm_syncobj_transfer_to_timeline(struct drm_file *file_private,
 	if (ret)
 		goto err_free_fence;
 
+	dma_fence_enable_sw_signaling(fence);
 	chain = dma_fence_chain_alloc();
 	if (!chain) {
 		ret = -ENOMEM;
-- 
2.25.1