drm/ttm: call ttm_bo_swapout directly when ttm shrink

remove the extra indirection because we have only one implementation anyway

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

3 files changed, 2 insertions, 69 deletions

diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index c1263308145a..24a8db7bebb1 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -752,6 +752,7 @@ ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp,
                   const char __user *wbuf, char __user *rbuf,
                   size_t count, loff_t *f_pos, bool write);
 
+int ttm_bo_swapout(struct ttm_bo_global *glob);
 void ttm_bo_swapout_all(struct ttm_bo_device *bdev);
 int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo);
 #endif
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 5115718ca607..934fecfa7b07 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -522,7 +522,6 @@ struct ttm_bo_global {
         struct kobject kobj;
         struct ttm_mem_global *mem_glob;
         struct page *dummy_read_page;
-        struct ttm_mem_shrink shrink;
         struct mutex device_list_mutex;
         spinlock_t lru_lock;
 
diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h
index 2c1e3598effe..85f3ad6f1348 100644
--- a/include/drm/ttm/ttm_memory.h
+++ b/include/drm/ttm/ttm_memory.h
@@ -37,20 +37,6 @@
 #include <linux/mm.h>
 
 /**
- * struct ttm_mem_shrink - callback to shrink TTM memory usage.
- *
- * @do_shrink: The callback function.
- *
- * Arguments to the do_shrink functions are intended to be passed using
- * inheritance. That is, the argument class derives from struct ttm_mem_shrink,
- * and can be accessed using container_of().
- */
-
-struct ttm_mem_shrink {
-        int (*do_shrink) (struct ttm_mem_shrink *);
-};
-
-/**
  * struct ttm_mem_global - Global memory accounting structure.
  *
  * @shrink: A single callback to shrink TTM memory usage. Extend this
@@ -76,7 +62,7 @@ struct ttm_mem_shrink {
 struct ttm_mem_zone;
 struct ttm_mem_global {
         struct kobject kobj;
-        struct ttm_mem_shrink *shrink;
+        struct ttm_bo_global *bo_glob;
         struct workqueue_struct *swap_queue;
         struct work_struct work;
         spinlock_t lock;
@@ -90,59 +76,6 @@ struct ttm_mem_global {
 #endif
 };
 
-/**
- * ttm_mem_init_shrink - initialize a struct ttm_mem_shrink object
- *
- * @shrink: The object to initialize.
- * @func: The callback function.
- */
-
-static inline void ttm_mem_init_shrink(struct ttm_mem_shrink *shrink,
-                                       int (*func) (struct ttm_mem_shrink *))
-{
-        shrink->do_shrink = func;
-}
-
-/**
- * ttm_mem_register_shrink - register a struct ttm_mem_shrink object.
- *
- * @glob: The struct ttm_mem_global object to register with.
- * @shrink: An initialized struct ttm_mem_shrink object to register.
- *
- * Returns:
- * -EBUSY: There's already a callback registered. (May change).
- */
-
-static inline int ttm_mem_register_shrink(struct ttm_mem_global *glob,
-                                          struct ttm_mem_shrink *shrink)
-{
-        spin_lock(&glob->lock);
-        if (glob->shrink != NULL) {
-                spin_unlock(&glob->lock);
-                return -EBUSY;
-        }
-        glob->shrink = shrink;
-        spin_unlock(&glob->lock);
-        return 0;
-}
-
-/**
- * ttm_mem_unregister_shrink - unregister a struct ttm_mem_shrink object.
- *
- * @glob: The struct ttm_mem_global object to unregister from.
- * @shrink: A previously registert struct ttm_mem_shrink object.
- *
- */
-
-static inline void ttm_mem_unregister_shrink(struct ttm_mem_global *glob,
-                                             struct ttm_mem_shrink *shrink)
-{
-        spin_lock(&glob->lock);
-        BUG_ON(glob->shrink != shrink);
-        glob->shrink = NULL;
-        spin_unlock(&glob->lock);
-}
-
 extern int ttm_mem_global_init(struct ttm_mem_global *glob);
 extern void ttm_mem_global_release(struct ttm_mem_global *glob);
 extern int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory,