drm/gem_vram/ttm: move to driver backend destroy function.

Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200907204630.1406528-10-airlied@gmail.com

diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 6a7e0788d8f043707a2db81a23a4dc7e95281b48..07447abb4134159ee8f65a6a08eeb1a8537088dc 100644 (file)
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -967,16 +967,12 @@ static const struct drm_gem_object_funcs drm_gem_vram_object_funcs = {
  * TTM TT
  */
 
-static void backend_func_destroy(struct ttm_bo_device *bdev, struct ttm_tt *tt)
+static void bo_driver_ttm_tt_destroy(struct ttm_bo_device *bdev, struct ttm_tt *tt)
 {
        ttm_tt_fini(tt);
        kfree(tt);
 }
 
-static struct ttm_backend_func backend_func = {
-       .destroy = backend_func_destroy
-};
-
 /*
  * TTM BO device
  */
@@ -991,8 +987,6 @@ static struct ttm_tt *bo_driver_ttm_tt_create(struct ttm_buffer_object *bo,
        if (!tt)
                return NULL;
 
-       tt->func = &backend_func;
-
        ret = ttm_tt_init(tt, bo, page_flags);
        if (ret < 0)
                goto err_ttm_tt_init;
@@ -1054,6 +1048,7 @@ static int bo_driver_io_mem_reserve(struct ttm_bo_device *bdev,
 
 static struct ttm_bo_driver bo_driver = {
        .ttm_tt_create = bo_driver_ttm_tt_create,
+       .ttm_tt_destroy = bo_driver_ttm_tt_destroy,
        .eviction_valuable = ttm_bo_eviction_valuable,
        .evict_flags = bo_driver_evict_flags,
        .move_notify = bo_driver_move_notify,