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Subject[RFC v4 09/17] [media] vb2: add 'ordered_in_vb2' property to queues
Date
From: Gustavo Padovan <gustavo.padovan@collabora.com>

By setting this member on vb2_queue the driver tell vb2 core that
it requires the buffers queued in QBUF to be queued with same order to the
driver.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
---
include/media/videobuf2-core.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 6dd3f0181107..fc333e10e7d8 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -505,6 +505,9 @@ struct vb2_buf_ops {
* the same order they are dequeued from the driver. The default
* is not ordered unless the driver sets this flag. As of now it
* is mandatory for using explicit fences.
+ * @ordered_in_vb2: set by the driver to tell vb2 te guarantee the order
+ * of buffer queue from userspace with QBUF() until they are
+ * queued to the driver.
* @fileio: file io emulator internal data, used only if emulator is active
* @threadio: thread io internal data, used only if thread is active
*/
@@ -558,6 +561,7 @@ struct vb2_queue {
unsigned int copy_timestamp:1;
unsigned int last_buffer_dequeued:1;
unsigned int ordered_in_driver:1;
+ unsigned int ordered_in_vb2:1;

struct vb2_fileio_data *fileio;
struct vb2_threadio_data *threadio;
--
2.13.6
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