2 files changed, 7 insertions, 20 deletions

diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index e4fee8e02559..1021106438b2 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -31,7 +31,6 @@
 #define _TTM_BO_DRIVER_H_
 
 #include <drm/drm_mm.h>
-#include <drm/drm_global.h>
 #include <drm/drm_vma_manager.h>
 #include <linux/workqueue.h>
 #include <linux/fs.h>
@@ -385,15 +384,6 @@ struct ttm_bo_driver {
 };
 
 /**
- * struct ttm_bo_global_ref - Argument to initialize a struct ttm_bo_global.
- */
-
-struct ttm_bo_global_ref {
-        struct drm_global_reference ref;
-        struct ttm_mem_global *mem_glob;
-};
-
-/**
  * struct ttm_bo_global - Buffer object driver global data.
  *
  * @mem_glob: Pointer to a struct ttm_mem_global object for accounting.
@@ -407,7 +397,7 @@ struct ttm_bo_global_ref {
  * @swap_lru: Lru list of buffer objects used for swapping.
  */
 
-struct ttm_bo_global {
+extern struct ttm_bo_global {
 
         /**
          * Constant after init.
@@ -416,12 +406,12 @@ struct ttm_bo_global {
         struct kobject kobj;
         struct ttm_mem_global *mem_glob;
         struct page *dummy_read_page;
-        struct mutex device_list_mutex;
         spinlock_t lru_lock;
 
         /**
-         * Protected by device_list_mutex.
+         * Protected by ttm_global_mutex.
          */
+        unsigned int use_count;
         struct list_head device_list;
 
         /**
@@ -433,7 +423,7 @@ struct ttm_bo_global {
          * Internal protection.
          */
         atomic_t bo_count;
-};
+} ttm_bo_glob;
 
 
 #define TTM_NUM_MEM_TYPES 8
@@ -578,9 +568,6 @@ void ttm_bo_mem_put(struct ttm_buffer_object *bo, struct ttm_mem_reg *mem);
 void ttm_bo_mem_put_locked(struct ttm_buffer_object *bo,
                            struct ttm_mem_reg *mem);
 
-void ttm_bo_global_release(struct drm_global_reference *ref);
-int ttm_bo_global_init(struct drm_global_reference *ref);
-
 int ttm_bo_device_release(struct ttm_bo_device *bdev);
 
 /**
@@ -598,7 +585,7 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev);
  * Returns:
  * !0: Failure.
  */
-int ttm_bo_device_init(struct ttm_bo_device *bdev, struct ttm_bo_global *glob,
+int ttm_bo_device_init(struct ttm_bo_device *bdev,
                        struct ttm_bo_driver *driver,
                        struct address_space *mapping,
                        uint64_t file_page_offset, bool need_dma32);
diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h
index 737b5fed8003..3ff48a0a2d7b 100644
--- a/include/drm/ttm/ttm_memory.h
+++ b/include/drm/ttm/ttm_memory.h
@@ -63,7 +63,7 @@
 
 #define TTM_MEM_MAX_ZONES 2
 struct ttm_mem_zone;
-struct ttm_mem_global {
+extern struct ttm_mem_global {
         struct kobject kobj;
         struct ttm_bo_global *bo_glob;
         struct workqueue_struct *swap_queue;
@@ -78,7 +78,7 @@ struct ttm_mem_global {
 #else
         struct ttm_mem_zone *zone_dma32;
 #endif
-};
+} ttm_mem_glob;
 
 extern int ttm_mem_global_init(struct ttm_mem_global *glob);
 extern void ttm_mem_global_release(struct ttm_mem_global *glob);