diff mbox

media: i.MX2: eMMa-PrP: Allow userptr IO mode.

Message ID 1332257639-7908-1-git-send-email-javier.martin@vista-silicon.com (mailing list archive)
State Accepted, archived
Headers

Commit Message

Javier Martin March 20, 2012, 3:33 p.m. UTC 
  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>
---
 drivers/media/video/mx2_emmaprp.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

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;