[PATCH 12/25] drm/rcar-du: Annotate dma-fence critical section in commit path

[Daniel Vetter]

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

Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Cc: Kieran Bingham <kieran.bingham+renesas at ideasonboard.com>
Cc: linux-renesas-soc at vger.kernel.org
---
 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 482329102f19..42c5dc588435 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -391,6 +391,7 @@ 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
@@ -417,6 +418,7 @@ 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);
-- 
2.27.0