[PATCH 11/11] drm/tidss: Annotate dma-fence critical section in commit path

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Ends right after hw_done(), totally standard case.

Acked-by: Jyri Sarha <jsarha@xxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Jyri Sarha <jsarha@xxxxxx>
Cc: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
 drivers/gpu/drm/tidss/tidss_kms.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/tidss/tidss_kms.c b/drivers/gpu/drm/tidss/tidss_kms.c
index 09485c7f0d6f..95f8e0f78e32 100644
--- a/drivers/gpu/drm/tidss/tidss_kms.c
+++ b/drivers/gpu/drm/tidss/tidss_kms.c
@@ -4,6 +4,8 @@
  * Author: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
  */
 
+#include <linux/dma-fence.h>
+
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_bridge.h>
@@ -26,6 +28,7 @@ static void tidss_atomic_commit_tail(struct drm_atomic_state *old_state)
 {
 	struct drm_device *ddev = old_state->dev;
 	struct tidss_device *tidss = to_tidss(ddev);
+	bool fence_cookie = dma_fence_begin_signalling();
 
 	dev_dbg(ddev->dev, "%s\n", __func__);
 
@@ -36,6 +39,7 @@ static void tidss_atomic_commit_tail(struct drm_atomic_state *old_state)
 	drm_atomic_helper_commit_modeset_enables(ddev, old_state);
 
 	drm_atomic_helper_commit_hw_done(old_state);
+	dma_fence_end_signalling(fence_cookie);
 	drm_atomic_helper_wait_for_flip_done(ddev, old_state);
 
 	drm_atomic_helper_cleanup_planes(ddev, old_state);
-- 
2.30.0

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