diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-11 14:46:53 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-11 14:46:53 +0200 |
| commit | 336879b1da97fffc097f77c6d6f818660f2826f0 (patch) | |
| tree | 4ddb4d1c5d2b67fb096c72e41d2a03b01a605041 /drivers/media/v4l2-core/v4l2-mem2mem.c | |
| parent | 3d3cbd84300e7be1e53083cac0f6f9c12978ecb4 (diff) | |
| parent | fdcaa1dbb7c6ed419b10fb8cdb5001ab0a00538f (diff) | |
Merge remote-tracking branch 'airlied/drm-next' into topic/vblank-rework
Dave asked me to do the backmerge before sending him the revised pull
request, so here we go. Nothing fancy in the conflicts, just a few
things changed right next to each another.
Conflicts:
drivers/gpu/drm/drm_irq.c
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-mem2mem.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-mem2mem.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c index 178ce96556c..80c588f4e42 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -208,7 +208,7 @@ static void v4l2_m2m_try_run(struct v4l2_m2m_dev *m2m_dev) * An example of the above could be an instance that requires more than one * src/dst buffer per transaction. */ -static void v4l2_m2m_try_schedule(struct v4l2_m2m_ctx *m2m_ctx) +void v4l2_m2m_try_schedule(struct v4l2_m2m_ctx *m2m_ctx) { struct v4l2_m2m_dev *m2m_dev; unsigned long flags_job, flags_out, flags_cap; @@ -274,6 +274,7 @@ static void v4l2_m2m_try_schedule(struct v4l2_m2m_ctx *m2m_ctx) v4l2_m2m_try_run(m2m_dev); } +EXPORT_SYMBOL_GPL(v4l2_m2m_try_schedule); /** * v4l2_m2m_cancel_job() - cancel pending jobs for the context @@ -568,8 +569,12 @@ unsigned int v4l2_m2m_poll(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, if (m2m_ctx->m2m_dev->m2m_ops->lock) m2m_ctx->m2m_dev->m2m_ops->lock(m2m_ctx->priv); - else if (m2m_ctx->q_lock) - mutex_lock(m2m_ctx->q_lock); + else if (m2m_ctx->q_lock) { + if (mutex_lock_interruptible(m2m_ctx->q_lock)) { + rc |= POLLERR; + goto end; + } + } spin_lock_irqsave(&src_q->done_lock, flags); if (!list_empty(&src_q->done_list)) |