drm/ttm: kill fence_lock

No users are left, kill it off! :D
Conversion to the reservation api is next on the list, after
that the functionality can be restored with rcu.

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

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_execbuf_util.c b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
index e8dac8758528..0fbbbbd67afc 100644
--- a/drivers/gpu/drm/ttm/ttm_execbuf_util.c
+++ b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
@@ -217,7 +217,6 @@ void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket,
         glob = bo->glob;
 
         spin_lock(&glob->lru_lock);
-        spin_lock(&bdev->fence_lock);
 
         list_for_each_entry(entry, list, head) {
                 bo = entry->bo;
@@ -227,7 +226,6 @@ void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket,
                 __ttm_bo_unreserve(bo);
                 entry->reserved = false;
         }
-        spin_unlock(&bdev->fence_lock);
         spin_unlock(&glob->lru_lock);
         if (ticket)
                 ww_acquire_fini(ticket);