drm/ttm: use a static ttm_mem_global instance

As the name says we only need one global instance of ttm_mem_global.

Drop all the driver initialization and just use a single exported
instance which is initialized during BO global initialization.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
index 450387c92b63..7704e17c402f 100644
--- a/drivers/gpu/drm/ttm/ttm_memory.c
+++ b/drivers/gpu/drm/ttm/ttm_memory.c
@@ -41,6 +41,9 @@
 
 #define TTM_MEMORY_ALLOC_RETRIES 4
 
+struct ttm_mem_global ttm_mem_glob;
+EXPORT_SYMBOL(ttm_mem_glob);
+
 struct ttm_mem_zone {
         struct kobject kobj;
         struct ttm_mem_global *glob;
@@ -464,7 +467,6 @@ out_no_zone:
         ttm_mem_global_release(glob);
         return ret;
 }
-EXPORT_SYMBOL(ttm_mem_global_init);
 
 void ttm_mem_global_release(struct ttm_mem_global *glob)
 {
@@ -486,7 +488,6 @@ void ttm_mem_global_release(struct ttm_mem_global *glob)
         kobject_del(&glob->kobj);
         kobject_put(&glob->kobj);
 }
-EXPORT_SYMBOL(ttm_mem_global_release);
 
 static void ttm_check_swapping(struct ttm_mem_global *glob)
 {