forked from Minki/linux
[media] saa7134: add DMABUF support
Since saa7134 is now using vb2, there is no reason why we can't support dmabuf for this driver. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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@ -189,6 +189,7 @@ static const struct v4l2_ioctl_ops ts_ioctl_ops = {
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.vidioc_querybuf = vb2_ioctl_querybuf,
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.vidioc_qbuf = vb2_ioctl_qbuf,
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.vidioc_dqbuf = vb2_ioctl_dqbuf,
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.vidioc_expbuf = vb2_ioctl_expbuf,
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.vidioc_streamon = vb2_ioctl_streamon,
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.vidioc_streamoff = vb2_ioctl_streamoff,
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.vidioc_g_frequency = saa7134_g_frequency,
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@ -286,7 +287,7 @@ static int empress_init(struct saa7134_dev *dev)
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* transfers that do not start at the beginning of a page. A USERPTR
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* can start anywhere in a page, so USERPTR support is a no-go.
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*/
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q->io_modes = VB2_MMAP | VB2_READ;
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q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
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q->drv_priv = &dev->ts_q;
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q->ops = &saa7134_empress_qops;
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q->gfp_flags = GFP_DMA32;
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@ -1906,6 +1906,7 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
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.vidioc_querybuf = vb2_ioctl_querybuf,
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.vidioc_qbuf = vb2_ioctl_qbuf,
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.vidioc_dqbuf = vb2_ioctl_dqbuf,
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.vidioc_expbuf = vb2_ioctl_expbuf,
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.vidioc_s_std = saa7134_s_std,
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.vidioc_g_std = saa7134_g_std,
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.vidioc_querystd = saa7134_querystd,
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@ -2089,7 +2090,7 @@ int saa7134_video_init1(struct saa7134_dev *dev)
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* USERPTR support is a no-go unless the application knows about these
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* limitations and has special support for this.
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*/
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q->io_modes = VB2_MMAP | VB2_READ;
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q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
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if (saa7134_userptr)
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q->io_modes |= VB2_USERPTR;
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q->drv_priv = &dev->video_q;
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