drm/ttm: flip the switch, and convert to dma_fence

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>

1 files changed, 2 insertions, 8 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_execbuf_util.c b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
index 108730e9147b..adafc0f8ec06 100644
--- a/drivers/gpu/drm/ttm/ttm_execbuf_util.c
+++ b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
@@ -163,7 +163,7 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
 EXPORT_SYMBOL(ttm_eu_reserve_buffers);
 
 void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket,
-                                 struct list_head *list, void *sync_obj)
+                                 struct list_head *list, struct fence *fence)
 {
         struct ttm_validate_buffer *entry;
         struct ttm_buffer_object *bo;
@@ -183,18 +183,12 @@ void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket,
 
         list_for_each_entry(entry, list, head) {
                 bo = entry->bo;
-                entry->old_sync_obj = bo->sync_obj;
-                bo->sync_obj = driver->sync_obj_ref(sync_obj);
+                reservation_object_add_excl_fence(bo->resv, fence);
                 ttm_bo_add_to_lru(bo);
                 __ttm_bo_unreserve(bo);
         }
         spin_unlock(&glob->lru_lock);
         if (ticket)
                 ww_acquire_fini(ticket);
-
-        list_for_each_entry(entry, list, head) {
-                if (entry->old_sync_obj)
-                        driver->sync_obj_unref(&entry->old_sync_obj);
-        }
 }
 EXPORT_SYMBOL(ttm_eu_fence_buffer_objects);