Single-planar V4L2 buffers are converted to multi-planar vb2 buffers
with a single plane when queued. The plane data_offset field is not
available in the single-planar API and must be set to 0 for dmabuf
buffers and all output buffers.
Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
---
drivers/media/v4l2-core/videobuf2-core.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/media/v4l2-core/videobuf2-core.c
b/drivers/media/v4l2-core/videobuf2-core.c
index b0402f2..3eae3d8 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -931,6 +931,7 @@ static int __fill_vb2_buffer(struct vb2_buffer *vb, const
struct v4l2_buffer *b,
*/
if (V4L2_TYPE_IS_OUTPUT(b->type))
v4l2_planes[0].bytesused = b->bytesused;
+ v4l2_planes[0].data_offset = 0;
if (b->memory == V4L2_MEMORY_USERPTR) {
v4l2_planes[0].m.userptr = b->m.userptr;
@@ -940,6 +941,7 @@ static int __fill_vb2_buffer(struct vb2_buffer *vb, const
struct v4l2_buffer *b,
if (b->memory == V4L2_MEMORY_DMABUF) {
v4l2_planes[0].m.fd = b->m.fd;
v4l2_planes[0].length = b->length;
+ v4l2_planes[0].data_offset = 0;
}
}
--
Regards,
Laurent Pinchart
--
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