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| author | Dave Airlie <airlied@redhat.com> | 2021-03-19 03:21:33 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2021-03-19 03:21:48 +0300 |
| commit | db3f0d8ee9bf4b9fb7f9c8bbea3e5fad0cd9b66e (patch) | |
| tree | f00a9dae3ebd557e891f695bf985f452c34d1fb4 /include | |
| parent | 1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff) | |
| parent | 6909115442759efef3d4bc5d9c54d7943f1afc14 (diff) | |
| download | linux-db3f0d8ee9bf4b9fb7f9c8bbea3e5fad0cd9b66e.tar.xz | |
Merge tag 'drm-misc-fixes-2021-03-18' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v5.12-rc4:
- Make ttm_bo_unpin() not wraparound on too many unpins.
- Fix coccicheck warning in omap.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/a0e13bbb-6ba6-ff24-4db8-0e02e605de18@linux.intel.com
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index e17be324d95f..b8ca13664fa2 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -612,9 +612,11 @@ static inline void ttm_bo_pin(struct ttm_buffer_object *bo) 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; + if (bo->pin_count) + --bo->pin_count; + else + WARN_ON_ONCE(true); } int ttm_mem_evict_first(struct ttm_bo_device *bdev, |