drm/ttm: drop glob parameter from ttm_bo_swapout

We can always access the global state.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/393499/

drivers/gpu/drm/ttm/ttm_bo.c

@@ -1432,8 +1432,9 @@ EXPORT_SYMBOL(ttm_bo_wait);
  * A buffer object shrink method that tries to swap out the first
  * buffer object on the bo_global::swap_lru list.
  */
-int ttm_bo_swapout(struct ttm_bo_global *glob, struct ttm_operation_ctx *ctx)
+int ttm_bo_swapout(struct ttm_operation_ctx *ctx)
 {
+	struct ttm_bo_global *glob = &ttm_bo_glob;
 	struct ttm_buffer_object *bo;
 	int ret = -EBUSY;
 	bool locked;
@@ -1531,7 +1532,7 @@ void ttm_bo_swapout_all(void)
 		.no_wait_gpu = false
 	};
 
-	while (ttm_bo_swapout(&ttm_bo_glob, &ctx) == 0);
+	while (ttm_bo_swapout(&ctx) == 0);
 }
 EXPORT_SYMBOL(ttm_bo_swapout_all);
 

drivers/gpu/drm/ttm/ttm_memory.c

@@ -275,7 +275,7 @@ static void ttm_shrink(struct ttm_mem_global *glob, bool from_wq,
 
 	while (ttm_zones_above_swap_target(glob, from_wq, extra)) {
 		spin_unlock(&glob->lock);
-		ret = ttm_bo_swapout(&ttm_bo_glob, ctx);
+		ret = ttm_bo_swapout(ctx);
 		spin_lock(&glob->lock);
 		if (unlikely(ret != 0))
 			break;

include/drm/ttm/ttm_bo_api.h

@@ -541,8 +541,7 @@ 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,
-			struct ttm_operation_ctx *ctx);
+int ttm_bo_swapout(struct ttm_operation_ctx *ctx);
 void ttm_bo_swapout_all(void);
 
 /**