From: Rob Clark <robdcl...@chromium.org>

Now that active_list/inactive_list is protected by mm_lock, we no longer
need dev->struct_mutex in the free_object() path.

Signed-off-by: Rob Clark <robdcl...@chromium.org>
---
 drivers/gpu/drm/msm/msm_gem.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index e4876498be47..af1abddca78e 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -949,8 +949,6 @@ static void free_object(struct msm_gem_object *msm_obj)
        struct drm_device *dev = obj->dev;
        struct msm_drm_private *priv = dev->dev_private;
 
-       WARN_ON(!mutex_is_locked(&dev->struct_mutex));
-
        /* object should not be on active list: */
        WARN_ON(is_active(msm_obj));
 
@@ -987,20 +985,14 @@ void msm_gem_free_work(struct work_struct *work)
 {
        struct msm_drm_private *priv =
                container_of(work, struct msm_drm_private, free_work);
-       struct drm_device *dev = priv->dev;
        struct llist_node *freed;
        struct msm_gem_object *msm_obj, *next;
 
        while ((freed = llist_del_all(&priv->free_list))) {
-
-               mutex_lock(&dev->struct_mutex);
-
                llist_for_each_entry_safe(msm_obj, next,
                                          freed, freed)
                        free_object(msm_obj);
 
-               mutex_unlock(&dev->struct_mutex);
-
                if (need_resched())
                        break;
        }
-- 
2.26.2

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