From 7bcff1c242475ffc47e413ac7b1d7a3e3529b109 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 5 Jun 2015 11:28:52 -0300 Subject: [PATCH] [media] vim2m: add create_bufs and prepare_buf support Add support for the missing VIDIOC_CREATE_BUFS and VIDIOC_PREPARE_BUF ioctls. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/vim2m.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c index cecfd75b58d7..295fde5fdb75 100644 --- a/drivers/media/platform/vim2m.c +++ b/drivers/media/platform/vim2m.c @@ -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)--; -- GitLab