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.pinchart@xxxxxxxxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html