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| author | Dave Airlie <airlied@redhat.com> | 2021-03-19 10:21:33 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2021-03-19 10:21:48 +1000 |
| commit | db3f0d8ee9bf4b9fb7f9c8bbea3e5fad0cd9b66e (patch) | |
| tree | f00a9dae3ebd557e891f695bf985f452c34d1fb4 | |
| parent | 1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff) | |
| parent | 6909115442759efef3d4bc5d9c54d7943f1afc14 (diff) | |
| download | linux-stericsson-db3f0d8ee9bf4b9fb7f9c8bbea3e5fad0cd9b66e.tar.gz | |
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
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/dsi.c | 7 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 6 |
2 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index 8e11612f5fe171..b31d750c425acc 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -2149,11 +2149,12 @@ static int dsi_vc_send_short(struct dsi_data *dsi, int vc, const struct mipi_dsi_msg *msg) { struct mipi_dsi_packet pkt; + int ret; u32 r; - r = mipi_dsi_create_packet(&pkt, msg); - if (r < 0) - return r; + ret = mipi_dsi_create_packet(&pkt, msg); + if (ret < 0) + return ret; WARN_ON(!dsi_bus_is_locked(dsi)); diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index e17be324d95f5d..b8ca13664fa20e 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, |