drm/ttm: ttm_bo_swapout_all doesn't use it's argument.

Just drop the argument from this.

This does ask the question if this is the function vmwgfx
should be using or should it be doing an evict all like
the other drivers.

Reviewed-by: Christian K├Ânig <christian.koenig@amd.com>
Reviewed-by: Zack Rusin <zackr@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200728034254.20114-1-airlied@gmail.com
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index b037477..f297fd5 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1838,7 +1838,7 @@
 }
 EXPORT_SYMBOL(ttm_bo_swapout);
 
-void ttm_bo_swapout_all(struct ttm_bo_device *bdev)
+void ttm_bo_swapout_all(void)
 {
 	struct ttm_operation_ctx ctx = {
 		.interruptible = false,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 4704283..fb39826 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1352,7 +1352,7 @@
 	vmw_execbuf_release_pinned_bo(dev_priv);
 	vmw_resource_evict_all(dev_priv);
 	vmw_release_device_early(dev_priv);
-	ttm_bo_swapout_all(&dev_priv->bdev);
+	ttm_bo_swapout_all();
 	if (dev_priv->enable_fb)
 		vmw_fifo_resource_dec(dev_priv);
 	if (atomic_read(&dev_priv->num_fifo_resources) != 0) {
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index b1c705a..a9e13b2 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -692,7 +692,7 @@
 
 int ttm_bo_swapout(struct ttm_bo_global *glob,
 			struct ttm_operation_ctx *ctx);
-void ttm_bo_swapout_all(struct ttm_bo_device *bdev);
+void ttm_bo_swapout_all(void);
 
 /**
  * ttm_bo_uses_embedded_gem_object - check if the given bo uses the