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drm-misc-fixes for v5.12-rc4: 

- Make ttm_bo_unpin() not wraparound on too many unpins.
 - Fix coccicheck warning in omap.
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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
This commit is contained in:
Dave Airlie 2021-03-19 10:21:33 +10:00
parent 1e28eed176 6909115442
commit db3f0d8ee9
2 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/omapdrm/dss/dsi.c
View File

@ -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));

6
include/drm/ttm/ttm_bo_api.h
View File

@ -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,