Reviewed-by: Roger He <hongbo...@amd.com>
Thanks
Roger(Hongbo.He)
-----Original Message-----
From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf Of
Christian K?nig
Sent: Wednesday, November 15, 2017 8:32 PM
To: amd-...@lists.freedesktop.org; dri-devel@lists.freedesktop.org
Subject: [PATCH 1/2] drm/ttm: fix ttm_mem_evict_first once more
The code path isn't hit at the moment, but we need to take the lock to add the
BO back to the LRU.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/ttm/ttm_bo.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index
07d9c6e5b6ca..7c1eac4f4b4b 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -793,10 +793,13 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev,
spin_unlock(&glob->lru_lock);
ret = ttm_bo_evict(bo, interruptible, no_wait_gpu);
- if (locked)
+ if (locked) {
ttm_bo_unreserve(bo);
- else
+ } else {
+ spin_lock(&glob->lru_lock);
ttm_bo_add_to_lru(bo);
+ spin_unlock(&glob->lru_lock);
+ }
kref_put(&bo->list_kref, ttm_bo_release_list);
return ret;
--
2.11.0
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