Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx>
---
drivers/gpu/drm/ttm/ttm_bo.c | 19 +++++++------------
1 file changed, 7 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index b9c26a5..a760178 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -779,26 +779,21 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev,
struct ttm_bo_global *glob = bdev->glob;
struct ttm_mem_type_manager *man = &bdev->man[mem_type];
struct ttm_buffer_object *bo;
- int ret, put_count = 0;
+ int ret = -EBUSY, put_count = 0;
spin_lock(&glob->lru_lock);
- if (list_empty(&man->lru)) {
- spin_unlock(&glob->lru_lock);
- return -EBUSY;
+ list_for_each_entry(bo, &man->lru, lru) {
+ ret = ttm_bo_reserve_locked(bo, false, true, false, 0);
+ if (!ret)
+ break;
}
- bo = list_first_entry(&man->lru, struct ttm_buffer_object, lru);
- kref_get(&bo->list_kref);
-
- ret = ttm_bo_reserve_locked(bo, false, true, false, 0);
-
- if (WARN_ON_ONCE(ret == -EBUSY)) {
+ if (ret) {
spin_unlock(&glob->lru_lock);
-
- kref_put(&bo->list_kref, ttm_bo_release_list);
return ret;
}
+ kref_get(&bo->list_kref);
if (!list_empty(&bo->ddestroy)) {
ret = ttm_bo_cleanup_refs_and_unlock(bo, interruptible,
no_wait_gpu);
--
1.8.0
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