[PATCH] drm/atomic: Call ww_acquire_done after check phase is complete

[Daniel Vetter]

We want to make sure that no one tries to acquire more locks and
states, and ww mutexes provide debug facilities for that. So use them.

Cc: Rob Clark <robdclark at gmail.com>
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
---
 drivers/gpu/drm/drm_atomic.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 422183e7ee7d..5ea609f270ea 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1268,6 +1268,8 @@ int drm_atomic_check_only(struct drm_atomic_state *state)
 		}
 	}
 
+	ww_acquire_done(&state->acquire_ctx->ww_ctx);
+
 	return ret;
 }
 EXPORT_SYMBOL(drm_atomic_check_only);
-- 
2.5.0