linux-kernel - [PATCH v2 06/23] drm/gem: Export drm_gem_lru_move_tail

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Message-Id: <20230320144356.803762-7-robdclark@gmail.com>
Date:   Mon, 20 Mar 2023 07:43:28 -0700
From:   Rob Clark <robdclark@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     Daniel Vetter <daniel@...ll.ch>, freedreno@...ts.freedesktop.org,
        linux-arm-msm@...r.kernel.org, Rob Clark <robdclark@...omium.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2 06/23] drm/gem: Export drm_gem_lru_move_tail_locked()

From: Rob Clark <robdclark@...omium.org>

Export the locked version or lru's move_tail().

Signed-off-by: Rob Clark <robdclark@...omium.org>
---
 drivers/gpu/drm/drm_gem.c | 11 ++++++++++-
 include/drm/drm_gem.h     |  1 +
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 59a0bb5ebd85..693f7f35a7bd 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -1344,7 +1344,15 @@ drm_gem_lru_remove(struct drm_gem_object *obj)
 }
 EXPORT_SYMBOL(drm_gem_lru_remove);
 
-static void
+/**
+ * drm_gem_lru_move_tail_locked - move the object to the tail of the LRU
+ *
+ * Like &drm_gem_lru_move_tail but lru lock must be held
+ *
+ * @lru: The LRU to move the object into.
+ * @obj: The GEM object to move into this LRU
+ */
+void
 drm_gem_lru_move_tail_locked(struct drm_gem_lru *lru, struct drm_gem_object *obj)
 {
 	lockdep_assert_held_once(lru->lock);
@@ -1356,6 +1364,7 @@ drm_gem_lru_move_tail_locked(struct drm_gem_lru *lru, struct drm_gem_object *obj
 	list_add_tail(&obj->lru_node, &lru->list);
 	obj->lru = lru;
 }
+EXPORT_SYMBOL(drm_gem_lru_move_tail_locked);
 
 /**
  * drm_gem_lru_move_tail - move the object to the tail of the LRU
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 772a4adf5287..a811c7e346ec 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -475,6 +475,7 @@ int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
 
 void drm_gem_lru_init(struct drm_gem_lru *lru, struct mutex *lock);
 void drm_gem_lru_remove(struct drm_gem_object *obj);
+void drm_gem_lru_move_tail_locked(struct drm_gem_lru *lru, struct drm_gem_object *obj);
 void drm_gem_lru_move_tail(struct drm_gem_lru *lru, struct drm_gem_object *obj);
 unsigned long drm_gem_lru_scan(struct drm_gem_lru *lru, unsigned nr_to_scan,
 			       bool (*shrink)(struct drm_gem_object *obj));
-- 
2.39.2