diff options
| author | Javier Martin <javier.martin@vista-silicon.com> | 2012-03-20 18:33:59 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-04-10 22:40:08 +0400 |
| commit | 28638601cf2440a7335eb2478b773dcc63e29e7e (patch) | |
| tree | 2451a85f9a9fa100d2e07e018d9a2c34fc2eee70 /drivers/media/video/mx2_emmaprp.c | |
| parent | f443d5878a45933e9924f755bcad28e3732e1750 (diff) | |
| download | linux-28638601cf2440a7335eb2478b773dcc63e29e7e.tar.xz | |
[media] i.MX2: eMMa-PrP: Allow userptr IO mode
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@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/mx2_emmaprp.c')
| -rw-r--r-- | 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 ba89a7401c8c..55ac1735e85b 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; |