[PATCH 14/65] drm/rcar-du: Annotate dma-fence critical section in commit path

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Ends right after drm_atomic_helper_commit_hw_done(), absolutely
nothing fancy going on here.

Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
Cc: linux-renesas-soc@xxxxxxxxxxxxxxx
---
 drivers/gpu/drm/rcar-du/rcar_du_kms.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index 72dda446355f..8d91140151cc 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -441,6 +441,7 @@ static void rcar_du_atomic_commit_tail(struct drm_atomic_state *old_state)
 	struct drm_crtc_state *crtc_state;
 	struct drm_crtc *crtc;
 	unsigned int i;
+	bool fence_cookie = dma_fence_begin_signalling();
 
 	/*
 	 * Store RGB routing to DPAD0 and DPAD1, the hardware will be configured
@@ -467,6 +468,7 @@ static void rcar_du_atomic_commit_tail(struct drm_atomic_state *old_state)
 	drm_atomic_helper_commit_modeset_enables(dev, old_state);
 
 	drm_atomic_helper_commit_hw_done(old_state);
+	dma_fence_end_signalling(fence_cookie);
 	drm_atomic_helper_wait_for_flip_done(dev, old_state);
 
 	drm_atomic_helper_cleanup_planes(dev, old_state);
-- 
2.28.0




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