Userptr can be very useful if this device is requested to use video buffers allocated by another processing device. So that buffers don't need to be copied. Signed-off-by: Javier Martin <javier.martin@xxxxxxxxxxxxxxxxx> --- drivers/media/video/mx2_emmaprp.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/mx2_emmaprp.c b/drivers/media/video/mx2_emmaprp.c index ba89a74..55ac173 100644 --- a/drivers/media/video/mx2_emmaprp.c +++ b/drivers/media/video/mx2_emmaprp.c @@ -755,7 +755,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, memset(src_vq, 0, sizeof(*src_vq)); src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - src_vq->io_modes = VB2_MMAP; + src_vq->io_modes = VB2_MMAP | VB2_USERPTR; src_vq->drv_priv = ctx; src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); src_vq->ops = &emmaprp_qops; @@ -767,7 +767,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, memset(dst_vq, 0, sizeof(*dst_vq)); dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - dst_vq->io_modes = VB2_MMAP; + dst_vq->io_modes = VB2_MMAP | VB2_USERPTR; dst_vq->drv_priv = ctx; dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); dst_vq->ops = &emmaprp_qops; -- 1.7.0.4 -- 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
