diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-25 09:52:40 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-25 10:13:34 +0100 |
| commit | bec771b5e0901f4b0bc861bcb58056de5151ae3a (patch) | |
| tree | 2f9f981daa642f20c42b13094b90714a995c0da7 | |
| parent | 65ca2566ffc8d186d094cc664526cdec5612b548 (diff) | |
| download | linux-rt-bec771b5e0901f4b0bc861bcb58056de5151ae3a.tar.gz | |
Revert "drm/ttm: Warn on pinning without holding a reference"
This reverts commit 7d09e9725b5dcc8d14e101de931e4969d033a6ad which is
commit 57fcd550eb15bce14a7154736379dfd4ed60ae81 upstream.
It is causing too many warnings on 5.11.y, so should be dropped for now.
Cc: Huang Rui <ray.huang@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Christian Koenig <christian.koenig@amd.com>
Cc: Huang Rui <ray.huang@amd.com>
Cc: Sasha Levin <sashal@kernel.org>
Reported-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Link: https://lore.kernel.org/r/8c3da8bc-0bf3-496f-1fd6-4f65a07b2d13@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 2 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 2 |
2 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index a76eb2c14e8c..22073e77fdf9 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -514,7 +514,7 @@ static void ttm_bo_release(struct kref *kref) * shrinkers, now that they are queued for * destruction. */ - if (WARN_ON(bo->pin_count)) { + if (bo->pin_count) { bo->pin_count = 0; ttm_bo_del_from_lru(bo); ttm_bo_add_mem_to_lru(bo, &bo->mem); diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 79b9367e0ffd..2564e66e67d7 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -600,7 +600,6 @@ static inline bool ttm_bo_uses_embedded_gem_object(struct ttm_buffer_object *bo) static inline void ttm_bo_pin(struct ttm_buffer_object *bo) { dma_resv_assert_held(bo->base.resv); - WARN_ON_ONCE(!kref_read(&bo->kref)); ++bo->pin_count; } @@ -614,7 +613,6 @@ static inline void ttm_bo_unpin(struct ttm_buffer_object *bo) { dma_resv_assert_held(bo->base.resv); WARN_ON_ONCE(!bo->pin_count); - WARN_ON_ONCE(!kref_read(&bo->kref)); --bo->pin_count; } |