summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/media/common/videobuf2/videobuf2-core.c3
-rw-r--r--drivers/media/common/videobuf2/videobuf2-v4l2.c3
-rw-r--r--drivers/media/v4l2-core/v4l2-mem2mem.c1
-rw-r--r--include/media/videobuf2-core.h3
4 files changed, 9 insertions, 1 deletions
diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c
index b4457edc3245..275cddd8808c 100644
--- a/drivers/media/common/videobuf2/videobuf2-core.c
+++ b/drivers/media/common/videobuf2/videobuf2-core.c
@@ -1041,6 +1041,7 @@ static int __prepare_userptr(struct vb2_buffer *vb)
if (vb->planes[plane].mem_priv) {
if (!reacquired) {
reacquired = true;
+ vb->copied_timestamp = 0;
call_void_vb_qop(vb, buf_cleanup, vb);
}
call_void_memop(vb, put_userptr, vb->planes[plane].mem_priv);
@@ -1165,6 +1166,7 @@ static int __prepare_dmabuf(struct vb2_buffer *vb)
if (!reacquired) {
reacquired = true;
+ vb->copied_timestamp = 0;
call_void_vb_qop(vb, buf_cleanup, vb);
}
@@ -1942,6 +1944,7 @@ static void __vb2_queue_cancel(struct vb2_queue *q)
if (vb->request)
media_request_put(vb->request);
vb->request = NULL;
+ vb->copied_timestamp = 0;
}
}
diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/media/common/videobuf2/videobuf2-v4l2.c
index 3aeaea3af42a..55277370c313 100644
--- a/drivers/media/common/videobuf2/videobuf2-v4l2.c
+++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c
@@ -604,7 +604,8 @@ int vb2_find_timestamp(const struct vb2_queue *q, u64 timestamp,
unsigned int i;
for (i = start_idx; i < q->num_buffers; i++)
- if (q->bufs[i]->timestamp == timestamp)
+ if (q->bufs[i]->copied_timestamp &&
+ q->bufs[i]->timestamp == timestamp)
return i;
return -1;
}
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c
index 1494d0d5951a..add228c98a9a 100644
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -992,6 +992,7 @@ void v4l2_m2m_buf_copy_metadata(const struct vb2_v4l2_buffer *out_vb,
cap_vb->field = out_vb->field;
cap_vb->flags &= ~mask;
cap_vb->flags |= out_vb->flags & mask;
+ cap_vb->vb2_buf.copied_timestamp = 1;
}
EXPORT_SYMBOL_GPL(v4l2_m2m_buf_copy_metadata);
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 6d5490bb91d3..a844abcae71e 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -262,6 +262,8 @@ struct vb2_buffer {
* prepared: this buffer has been prepared, i.e. the
* buf_prepare op was called. It is cleared again
* after the 'buf_finish' op is called.
+ * copied_timestamp: the timestamp of this capture buffer was copied
+ * from an output buffer.
* queued_entry: entry on the queued buffers list, which holds
* all buffers queued from userspace
* done_entry: entry on the list that stores all buffers ready
@@ -271,6 +273,7 @@ struct vb2_buffer {
enum vb2_buffer_state state;
unsigned int synced:1;
unsigned int prepared:1;
+ unsigned int copied_timestamp:1;
struct vb2_plane planes[VB2_MAX_PLANES];
struct list_head queued_entry;