From: Javier Martin Date: Tue, 20 Mar 2012 14:33:59 +0000 (-0300) Subject: [media] i.MX2: eMMa-PrP: Allow userptr IO mode X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=28638601cf2440a7335eb2478b773dcc63e29e7e;p=openwrt%2Fstaging%2Fblogic.git [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 Signed-off-by: Mauro Carvalho Chehab --- 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;