drm/ttm: wait for eviction in ttm_bo_force_list_clean
Now that we can pipeline evictions we need to wait for
them to finish when we cleanup a memory domain.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 5d93169..e340d0d6 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1287,6 +1287,7 @@
{
struct ttm_mem_type_manager *man = &bdev->man[mem_type];
struct ttm_bo_global *glob = bdev->glob;
+ struct fence *fence;
int ret;
/*
@@ -1307,6 +1308,23 @@
spin_lock(&glob->lru_lock);
}
spin_unlock(&glob->lru_lock);
+
+ spin_lock(&man->move_lock);
+ fence = fence_get(man->move);
+ spin_unlock(&man->move_lock);
+
+ if (fence) {
+ ret = fence_wait(fence, false);
+ fence_put(fence);
+ if (ret) {
+ if (allow_errors) {
+ return ret;
+ } else {
+ pr_err("Cleanup eviction failed\n");
+ }
+ }
+ }
+
return 0;
}