[PATCH] drm/atomic: Call ww_acquire_done after drm_modeset_lock_all

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After we acquired all generic modeset locks in drm_modeset_lock_all, it's
unsafe acquire any other so just mark acquisition as done.

Atomic drivers shouldn't use drm_modeset_lock_all.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/drm_modeset_lock.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c
index 963e23db0fe7..8a5100685875 100644
--- a/drivers/gpu/drm/drm_modeset_lock.c
+++ b/drivers/gpu/drm/drm_modeset_lock.c
@@ -113,6 +113,7 @@ void drm_modeset_lock_all(struct drm_device *dev)
 		kfree(ctx);
 		return;
 	}
+	ww_acquire_done(&ctx->ww_ctx);
 
 	WARN_ON(config->acquire_ctx);
 
-- 
2.16.1

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