saa7134: add DMABUF support
Subsystems (2)
PATCH 1/1 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 <[email protected]>
--- drivers/media/pci/saa7134/saa7134-empress.c | 3 ++- drivers/media/pci/saa7134/saa7134-video.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-)
drivers/media/pci/saa7134/saa7134-empress.c +2 -1
@@ -189,6 +189,7 @@ static const struct v4l2_ioctl_ops ts_ioctl_ops = { .vidioc_querybuf = vb2_ioctl_querybuf, .vidioc_qbuf = vb2_ioctl_qbuf, .vidioc_dqbuf = vb2_ioctl_dqbuf, + .vidioc_expbuf = vb2_ioctl_expbuf, .vidioc_streamon = vb2_ioctl_streamon, .vidioc_streamoff = vb2_ioctl_streamoff, .vidioc_g_frequency = saa7134_g_frequency,
@@ -286,7 +287,7 @@ static int empress_init(struct saa7134_dev *dev)* transfers that do not start at the beginning of a page. A USERPTR * can start anywhere in a page, so USERPTR support is a no-go. */ - q->io_modes =VB2_MMAP |VB2_READ ; + q->io_modes =VB2_MMAP |VB2_DMABUF |VB2_READ ; q->drv_priv = &dev->ts_q; q->ops = &saa7134_empress_qops; q->gfp_flags =GFP_DMA32 ;
drivers/media/pci/saa7134/saa7134-video.c +2 -1
@@ -1906,6 +1906,7 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_querybuf = vb2_ioctl_querybuf, .vidioc_qbuf = vb2_ioctl_qbuf, .vidioc_dqbuf = vb2_ioctl_dqbuf, + .vidioc_expbuf = vb2_ioctl_expbuf, .vidioc_s_std = saa7134_s_std, .vidioc_g_std = saa7134_g_std, .vidioc_querystd = saa7134_querystd,
@@ -2089,7 +2090,7 @@ int saa7134_video_init1(struct saa7134_dev *dev)* USERPTR support is a no-go unless the application knows about these * limitations and has special support for this. */ - q->io_modes =VB2_MMAP |VB2_READ ; + q->io_modes =VB2_MMAP |VB2_DMABUF |VB2_READ ;if (saa7134_userptr) q->io_modes |=VB2_USERPTR ; q->drv_priv = &dev->video_q;
Signature · 1 line
2.6.4