Reviewed-by: Roger He <Hongbo.He at amd.com> Thanks Roger(Hongbo.He) -----Original Message----- From: amd-gfx [mailto:amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Christian K?nig Sent: Wednesday, November 15, 2017 8:32 PM To: amd-gfx at lists.freedesktop.org; dri-devel at 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.koenig at 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 _______________________________________________ amd-gfx mailing list amd-gfx at lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
