From: Dave Stevenson Date: Wed, 17 Mar 2021 12:34:57 +0000 (+0000) Subject: staging/bcm2835-camera: Add support for DMABUFs X-Git-Tag: accepted/tizen/unified/20230118.172025~1194 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7293d8bad9bfb5b9de6c98bda5c9c7fe2a160a91;p=platform%2Fkernel%2Flinux-rpi.git staging/bcm2835-camera: Add support for DMABUFs DMABUFs are all handled by videobuf2, so there is no reason not to enable support for them. Note that this driver is still using the vmalloc allocator, so the buffers it allocates will not be compatible with the codec or ISP driver that require contiguous buffers. However this driver should be able to import the buffers allocated by them. Signed-off-by: Dave Stevenson --- diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c index 5d14ddb28339..0a8721eaa6d3 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c +++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c @@ -1453,6 +1453,7 @@ static const struct v4l2_ioctl_ops camera0_ioctl_ops = { .vidioc_querybuf = vb2_ioctl_querybuf, .vidioc_qbuf = vb2_ioctl_qbuf, .vidioc_dqbuf = vb2_ioctl_dqbuf, + .vidioc_expbuf = vb2_ioctl_expbuf, .vidioc_enum_framesizes = vidioc_enum_framesizes, .vidioc_enum_frameintervals = vidioc_enum_frameintervals, .vidioc_g_parm = vidioc_g_parm, @@ -1934,7 +1935,7 @@ static int bcm2835_mmal_probe(struct platform_device *pdev) q = &dev->capture.vb_vidq; memset(q, 0, sizeof(*q)); q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; + q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ | VB2_DMABUF; q->drv_priv = dev; q->buf_struct_size = sizeof(struct vb2_mmal_buffer); q->ops = &bm2835_mmal_video_qops;