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path: root/drivers/gpu/drm/msm/msm_gem.c
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Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
-rw-r--r--drivers/gpu/drm/msm/msm_gem.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 97467364dc0a..3da64c7f65a2 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -177,30 +177,38 @@ static void put_pages(struct drm_gem_object *obj)
}
}
-struct page **msm_gem_get_pages(struct drm_gem_object *obj)
+static struct page **msm_gem_pin_pages_locked(struct drm_gem_object *obj)
{
struct msm_gem_object *msm_obj = to_msm_bo(obj);
struct page **p;
- msm_gem_lock(obj);
+ GEM_WARN_ON(!msm_gem_is_locked(obj));
if (GEM_WARN_ON(msm_obj->madv != MSM_MADV_WILLNEED)) {
- msm_gem_unlock(obj);
return ERR_PTR(-EBUSY);
}
p = get_pages(obj);
-
if (!IS_ERR(p)) {
msm_obj->pin_count++;
update_lru(obj);
}
+ return p;
+}
+
+struct page **msm_gem_pin_pages(struct drm_gem_object *obj)
+{
+ struct page **p;
+
+ msm_gem_lock(obj);
+ p = msm_gem_pin_pages_locked(obj);
msm_gem_unlock(obj);
+
return p;
}
-void msm_gem_put_pages(struct drm_gem_object *obj)
+void msm_gem_unpin_pages(struct drm_gem_object *obj)
{
struct msm_gem_object *msm_obj = to_msm_bo(obj);