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Commit 28638601 authored by Javier Martin's avatar Javier Martin Committed by Mauro Carvalho Chehab
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[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: default avatarJavier Martin <javier.martin@vista-silicon.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent f443d587

drivers/media/video/mx2_emmaprp.c

+2 −2
Original line number Diff line number Diff line
@@ -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;