@@ -693,6 +693,8 @@ static const struct v4l2_ioctl_ops vim2m_ioctl_ops = {
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
+ .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
+ .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
@@ -720,6 +722,12 @@ static int vim2m_queue_setup(struct vb2_queue *vq,
size = q_data->width * q_data->height * q_data->fmt->depth >> 3;
+ if (fmt) {
+ if (fmt->fmt.pix.sizeimage < size)
+ return -EINVAL;
+ size = fmt->fmt.pix.sizeimage;
+ }
+
while (size * count > MEM2MEM_VID_MEM_LIMIT)
(count)--;