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authorChristian König <christian.koenig@amd.com>2017-11-15 11:05:17 +0100
committerAlex Deucher <alexander.deucher@amd.com>2017-12-06 12:47:53 -0500
commit090528639321ab09c150603c0da3c38c26aa5ea9 (patch)
tree303bd957f6d24cfd9938d8d334793a9858e506af /drivers/gpu/drm/ttm
parent31b8adab3247eaa6cffbaa59276456b694718cc8 (diff)
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.koenig@amd.com> Reviewed-and-Tested-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Roger He <Hongbo.He@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/ttm')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c7
1 files 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;