.ops = &mxt_queue_ops,
.mem_ops = &vb2_vmalloc_memops,
.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC,
- .min_buffers_needed = 1,
+ .min_queued_buffers = 1,
};
static int mxt_vidioc_querycap(struct file *file, void *priv,
.ops = &sur40_queue_ops,
.mem_ops = &vb2_dma_sg_memops,
.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC,
- .min_buffers_needed = 3,
+ .min_queued_buffers = 3,
};
static const struct v4l2_file_operations sur40_video_fops = {
q->gfp_flags = __GFP_DMA32;
q->buf_struct_size = sizeof(struct saa7146_buf);
q->lock = &dev->v4l2_lock;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->dev = &dev->pci->dev;
err = vb2_queue_init(q);
if (err)
/*
* Make sure the requested values and current defaults are sane.
*/
- num_buffers = max_t(unsigned int, *count, q->min_buffers_needed);
+ num_buffers = max_t(unsigned int, *count, q->min_queued_buffers);
num_buffers = min_t(unsigned int, num_buffers, q->max_num_buffers);
memset(q->alloc_devs, 0, sizeof(q->alloc_devs));
/*
* There is no point in continuing if we can't allocate the minimum
* number of buffers needed by this vb2_queue.
*/
- if (allocated_buffers < q->min_buffers_needed)
+ if (allocated_buffers < q->min_queued_buffers)
ret = -ENOMEM;
/*
* @q: videobuf2 queue
*
* Attempt to start streaming. When this function is called there must be
- * at least q->min_buffers_needed buffers queued up (i.e. the minimum
+ * at least q->min_queued_buffers queued up (i.e. the minimum
* number of buffers required for the DMA engine to function). If the
* @start_streaming op fails it is supposed to return all the driver-owned
* buffers back to vb2 in state QUEUED. Check if that happened and if
* then we can finally call start_streaming().
*/
if (q->streaming && !q->start_streaming_called &&
- q->queued_count >= q->min_buffers_needed) {
+ q->queued_count >= q->min_queued_buffers) {
ret = vb2_start_streaming(q);
if (ret) {
/*
return -EINVAL;
}
- if (q_num_bufs < q->min_buffers_needed) {
- dprintk(q, 1, "need at least %u allocated buffers\n",
- q->min_buffers_needed);
+ if (q_num_bufs < q->min_queued_buffers) {
+ dprintk(q, 1, "need at least %u queued buffers\n",
+ q->min_queued_buffers);
return -EINVAL;
}
* Tell driver to start streaming provided sufficient buffers
* are available.
*/
- if (q->queued_count >= q->min_buffers_needed) {
+ if (q->queued_count >= q->min_queued_buffers) {
ret = vb2_start_streaming(q);
if (ret)
goto unprepare;
return -EINVAL;
if (WARN_ON(q->max_num_buffers > MAX_BUFFER_INDEX) ||
- WARN_ON(q->min_buffers_needed > q->max_num_buffers))
+ WARN_ON(q->min_queued_buffers > q->max_num_buffers))
return -EINVAL;
if (WARN_ON(q->requires_requests && !q->supports_requests))
/*
* This combination is not allowed since a non-zero value of
- * q->min_buffers_needed can cause vb2_core_qbuf() to fail if
+ * q->min_queued_buffers can cause vb2_core_qbuf() to fail if
* it has to call start_streaming(), and the Request API expects
* that queueing a request (and thus queueing a buffer contained
* in that request) will always succeed. There is no method of
* propagating an error back to userspace.
*/
- if (WARN_ON(q->supports_requests && q->min_buffers_needed))
+ if (WARN_ON(q->supports_requests && q->min_queued_buffers))
return -EINVAL;
INIT_LIST_HEAD(&q->queued_list);
return -EBUSY;
/*
- * Start with q->min_buffers_needed + 1, driver can increase it in
+ * Start with q->min_queued_buffers + 1, driver can increase it in
* queue_setup()
*
- * 'min_buffers_needed' buffers need to be queued up before you
+ * 'min_queued_buffers' buffers need to be queued up before you
* can start streaming, plus 1 for userspace (or in this case,
* kernelspace) processing.
*/
- count = max(2, q->min_buffers_needed + 1);
+ count = max(2, q->min_queued_buffers + 1);
dprintk(q, 3, "setting up file io: mode %s, count %d, read_once %d, write_immediately %d\n",
(read) ? "read" : "write", count, q->fileio_read_once,
q->io_modes = VB2_MMAP;
q->drv_priv = ctx;
q->buf_struct_size = sizeof(struct dvb_buffer);
- q->min_buffers_needed = 1;
+ q->min_queued_buffers = 1;
q->ops = &dvb_vb2_qops;
q->mem_ops = &vb2_vmalloc_memops;
q->buf_ops = &dvb_vb2_buf_ops;
queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
queue->drv_priv = data;
queue->buf_struct_size = sizeof(struct video_i2c_buffer);
- queue->min_buffers_needed = 1;
+ queue->min_queued_buffers = 1;
queue->ops = &video_i2c_video_qops;
queue->mem_ops = &vb2_vmalloc_memops;
q->gfp_flags = __GFP_DMA32;
q->buf_struct_size = sizeof(struct bttv_buffer);
q->lock = &btv->lock;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->dev = &btv->c.pci->dev;
err = vb2_queue_init(q);
if (err)
q->ops = &cobalt_qops;
q->mem_ops = &vb2_dma_sg_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->lock = &s->lock;
q->dev = &cobalt->pci_dev->dev;
vdev->queue = q;
s->vidq.ops = &cx18_vb2_qops;
s->vidq.mem_ops = &vb2_vmalloc_memops;
s->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- s->vidq.min_buffers_needed = 2;
+ s->vidq.min_queued_buffers = 2;
s->vidq.gfp_flags = GFP_DMA32;
s->vidq.dev = &cx->pci_dev->dev;
s->vidq.lock = &cx->serialize_lock;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
q->gfp_flags = GFP_DMA32;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct cx23885_buffer);
q->ops = &cx23885_qops;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
q->gfp_flags = GFP_DMA32;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->drv_priv = port;
q->buf_struct_size = sizeof(struct cx23885_buffer);
q->ops = &dvb_qops;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
q->gfp_flags = GFP_DMA32;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct cx23885_buffer);
q->ops = &cx23885_video_qops;
q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
q->gfp_flags = GFP_DMA32;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct cx23885_buffer);
q->ops = &cx23885_vbi_qops;
q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
q->io_modes |= is_output ? VB2_WRITE : VB2_READ;
q->gfp_flags = GFP_DMA32;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->drv_priv = chan;
q->buf_struct_size = sizeof(struct cx25821_buffer);
q->ops = &cx25821_video_qops;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
q->gfp_flags = GFP_DMA32;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct cx88_buffer);
q->ops = &blackbird_qops;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
q->gfp_flags = GFP_DMA32;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct cx88_buffer);
q->ops = &dvb_qops;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
q->gfp_flags = GFP_DMA32;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct cx88_buffer);
q->ops = &cx8800_video_qops;
q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
q->gfp_flags = GFP_DMA32;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct cx88_buffer);
q->ops = &cx8800_vbi_qops;
pd->vidq.ops = &q_ops;
pd->vidq.mem_ops = &vb2_dma_contig_memops;
pd->vidq.drv_priv = pd;
- pd->vidq.min_buffers_needed = 2;
+ pd->vidq.min_queued_buffers = 2;
pd->vidq.gfp_flags = GFP_DMA32;
pd->vidq.lock = &pd->mux; /* for locking v4l2_file_operations */
pd->vidq.dev = &pdev->dev;
vbq->mem_ops = &vb2_dma_sg_memops;
vbq->buf_struct_size = sizeof(struct cio2_buffer);
vbq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- vbq->min_buffers_needed = 1;
+ vbq->min_queued_buffers = 1;
vbq->drv_priv = cio2;
vbq->lock = &q->lock;
r = vb2_queue_init(vbq);
vindev->queue.mem_ops = &vb2_dma_sg_memops;
vindev->queue.gfp_flags = GFP_DMA32;
vindev->queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- vindev->queue.min_buffers_needed = 2;
+ vindev->queue.min_queued_buffers = 2;
vindev->queue.drv_priv = vindev;
vindev->queue.lock = &vindev->lock;
vindev->queue.dev = dev;
voutdev->queue.mem_ops = &vb2_dma_sg_memops;
voutdev->queue.gfp_flags = GFP_DMA32;
voutdev->queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- voutdev->queue.min_buffers_needed = 2;
+ voutdev->queue.min_queued_buffers = 2;
voutdev->queue.drv_priv = voutdev;
voutdev->queue.lock = &voutdev->lock;
voutdev->queue.dev = dev;
input->vidq.gfp_flags = 0;
input->vidq.buf_struct_size = sizeof(struct tw5864_buf);
input->vidq.lock = &input->lock;
- input->vidq.min_buffers_needed = 2;
+ input->vidq.min_queued_buffers = 2;
input->vidq.dev = &input->root->pci->dev;
ret = vb2_queue_init(&input->vidq);
if (ret)
dev->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM;
dev->vidq.buf_struct_size = sizeof(struct tw68_buf);
dev->vidq.lock = &dev->lock;
- dev->vidq.min_buffers_needed = 2;
+ dev->vidq.min_queued_buffers = 2;
dev->vidq.dev = &dev->pci->dev;
ret = vb2_queue_init(&dev->vidq);
if (ret)
vc->vidq.ops = &tw686x_video_qops;
vc->vidq.mem_ops = dev->dma_ops->mem_ops;
vc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- vc->vidq.min_buffers_needed = 2;
+ vc->vidq.min_queued_buffers = 2;
vc->vidq.lock = &vc->vb_mutex;
vc->vidq.gfp_flags = dev->dma_mode != TW686X_DMA_MODE_MEMCPY ?
GFP_DMA32 : 0;
zr->buf_in_reserve = 0;
- if (*nbuffers < vq->min_buffers_needed)
- *nbuffers = vq->min_buffers_needed;
+ if (*nbuffers < vq->min_queued_buffers)
+ *nbuffers = vq->min_queued_buffers;
if (*nplanes) {
if (sizes[0] < size)
vq->mem_ops = &vb2_dma_contig_memops;
vq->gfp_flags = GFP_DMA32;
vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- vq->min_buffers_needed = 9;
+ vq->min_queued_buffers = 9;
vq->lock = &zr->lock;
err = vb2_queue_init(vq);
if (err)
src_vq->mem_ops = &vb2_vmalloc_memops;
src_vq->drv_priv = inst;
src_vq->buf_struct_size = sizeof(struct vpu_vb2_buffer);
- src_vq->min_buffers_needed = 1;
+ src_vq->min_queued_buffers = 1;
src_vq->dev = inst->vpu->dev;
src_vq->lock = &inst->lock;
ret = vb2_queue_init(src_vq);
dst_vq->mem_ops = &vb2_vmalloc_memops;
dst_vq->drv_priv = inst;
dst_vq->buf_struct_size = sizeof(struct vpu_vb2_buffer);
- dst_vq->min_buffers_needed = 1;
+ dst_vq->min_queued_buffers = 1;
dst_vq->dev = inst->vpu->dev;
dst_vq->lock = &inst->lock;
ret = vb2_queue_init(dst_vq);
vbq->drv_priv = video;
vbq->buf_struct_size = sizeof(struct aspeed_video_buffer);
vbq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- vbq->min_buffers_needed = ASPEED_VIDEO_V4L2_MIN_BUF_REQ;
+ vbq->min_queued_buffers = ASPEED_VIDEO_V4L2_MIN_BUF_REQ;
rc = vb2_queue_init(vbq);
if (rc) {
q->ops = &isi_video_qops;
q->mem_ops = &vb2_dma_contig_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->dev = &pdev->dev;
ret = vb2_queue_init(q);
* would need to be reflected in job_ready(). Currently we expect all
* queues to have at least one buffer queued.
*/
- vq->min_buffers_needed = 1;
+ vq->min_queued_buffers = 1;
vq->dev = ctx->dev->dev;
return vb2_queue_init(vq);
q->mem_ops = &vb2_dma_contig_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->lock = &isc->lock;
- q->min_buffers_needed = 1;
+ q->min_queued_buffers = 1;
q->dev = isc->dev;
ret = vb2_queue_init(q);
vbq->drv_priv = video;
vbq->buf_struct_size = sizeof(struct npcm_video_buffer);
vbq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- vbq->min_buffers_needed = 3;
+ vbq->min_queued_buffers = 3;
rc = vb2_queue_init(vbq);
if (rc) {
vq->mem_ops = &vb2_dma_contig_memops;
vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
vq->lock = &csi->vdev_mutex;
- vq->min_buffers_needed = 2;
+ vq->min_queued_buffers = 2;
vq->dev = csi->dev;
ret = vb2_queue_init(vq);
q->mem_ops = &vb2_dma_contig_memops;
q->buf_struct_size = sizeof(struct mxc_isi_buffer);
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->lock = &video->lock;
q->dev = pipe->isi->dev;
src_vq->drv_priv = inst;
src_vq->buf_struct_size = sizeof(struct venus_buffer);
src_vq->allow_zero_bytesused = 1;
- src_vq->min_buffers_needed = 0;
+ src_vq->min_queued_buffers = 0;
src_vq->dev = inst->core->dev;
src_vq->lock = &inst->ctx_q_lock;
ret = vb2_queue_init(src_vq);
dst_vq->drv_priv = inst;
dst_vq->buf_struct_size = sizeof(struct venus_buffer);
dst_vq->allow_zero_bytesused = 1;
- dst_vq->min_buffers_needed = 0;
+ dst_vq->min_queued_buffers = 0;
dst_vq->dev = inst->core->dev;
dst_vq->lock = &inst->ctx_q_lock;
return vb2_queue_init(dst_vq);
src_vq->drv_priv = inst;
src_vq->buf_struct_size = sizeof(struct venus_buffer);
src_vq->allow_zero_bytesused = 1;
- src_vq->min_buffers_needed = 1;
+ src_vq->min_queued_buffers = 1;
src_vq->dev = inst->core->dev;
src_vq->lock = &inst->ctx_q_lock;
if (inst->core->res->hfi_version == HFI_VERSION_1XX)
dst_vq->drv_priv = inst;
dst_vq->buf_struct_size = sizeof(struct venus_buffer);
dst_vq->allow_zero_bytesused = 1;
- dst_vq->min_buffers_needed = 1;
+ dst_vq->min_queued_buffers = 1;
dst_vq->dev = inst->core->dev;
dst_vq->lock = &inst->ctx_q_lock;
return vb2_queue_init(dst_vq);
q->ops = &rvin_qops;
q->mem_ops = &vb2_dma_contig_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 4;
+ q->min_queued_buffers = 4;
q->dev = vin->dev;
ret = vb2_queue_init(q);
q->mem_ops = &vb2_dma_contig_memops;
q->buf_struct_size = sizeof(struct ceu_buffer);
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->lock = &ceudev->mlock;
q->dev = ceudev->v4l2_dev.dev;
q->ops = &rzg2l_cru_qops;
q->mem_ops = &vb2_dma_contig_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 4;
+ q->min_queued_buffers = 4;
q->dev = cru->dev;
ret = vb2_queue_init(q);
q->ops = &sh_vou_qops;
q->mem_ops = &vb2_dma_contig_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->lock = &vou_dev->fop_lock;
q->dev = &pdev->dev;
ret = vb2_queue_init(q);
q->ops = &rkisp1_vb2_ops;
q->mem_ops = &vb2_dma_contig_memops;
q->buf_struct_size = sizeof(struct rkisp1_buffer);
- q->min_buffers_needed = RKISP1_MIN_BUFFERS_NEEDED;
+ q->min_queued_buffers = RKISP1_MIN_BUFFERS_NEEDED;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->lock = &node->vlock;
q->dev = cap->rkisp1->dev;
src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
src_vq->buf_struct_size = sizeof(struct hva_frame);
- src_vq->min_buffers_needed = MIN_FRAMES;
+ src_vq->min_queued_buffers = MIN_FRAMES;
src_vq->dev = ctx->hva_dev->dev;
ret = queue_init(ctx, src_vq);
dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
dst_vq->buf_struct_size = sizeof(struct hva_stream);
- dst_vq->min_buffers_needed = MIN_STREAMS;
+ dst_vq->min_queued_buffers = MIN_STREAMS;
dst_vq->dev = ctx->hva_dev->dev;
return queue_init(ctx, dst_vq);
q->ops = &dcmi_video_qops;
q->mem_ops = &vb2_dma_contig_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->allow_cache_hints = 1;
q->dev = &pdev->dev;
reg_set(vcap, DCMIPP_P0FSCR, DCMIPP_P0FSCR_PIPEN);
/*
- * vb2 framework guarantee that we have at least 'min_buffers_needed'
+ * vb2 framework guarantee that we have at least 'min_queued_buffers'
* buffers in the list at this moment
*/
vcap->next = list_first_entry(&vcap->buffers, typeof(*buf), list);
q->ops = &dcmipp_bytecap_qops;
q->mem_ops = &vb2_dma_contig_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 1;
+ q->min_queued_buffers = 1;
q->dev = dev;
/* DCMIPP requires 16 bytes aligned buffers */
for (i = 0; i < CSI_MAX_BUFFER; i++)
csi->current_buf[i] = NULL;
- q->min_buffers_needed = 3;
+ q->min_queued_buffers = 3;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
q->io_modes = VB2_MMAP | VB2_DMABUF;
q->lock = &csi->lock;
queue->buf_struct_size = sizeof(struct sun6i_csi_buffer);
queue->ops = &sun6i_csi_capture_queue_ops;
queue->mem_ops = &vb2_dma_contig_memops;
- queue->min_buffers_needed = 2;
+ queue->min_queued_buffers = 2;
queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
queue->lock = &capture->lock;
queue->dev = csi_dev->dev;
src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
src_vq->drv_priv = ctx;
src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
- src_vq->min_buffers_needed = 1;
+ src_vq->min_queued_buffers = 1;
src_vq->ops = &deinterlace_qops;
src_vq->mem_ops = &vb2_dma_contig_memops;
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
dst_vq->drv_priv = ctx;
dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
- dst_vq->min_buffers_needed = 2;
+ dst_vq->min_queued_buffers = 2;
dst_vq->ops = &deinterlace_qops;
dst_vq->mem_ops = &vb2_dma_contig_memops;
dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
src_vq->drv_priv = ctx;
src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
- src_vq->min_buffers_needed = 1;
+ src_vq->min_queued_buffers = 1;
src_vq->ops = &rotate_qops;
src_vq->mem_ops = &vb2_dma_contig_memops;
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
dst_vq->drv_priv = ctx;
dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
- dst_vq->min_buffers_needed = 2;
+ dst_vq->min_queued_buffers = 2;
dst_vq->ops = &rotate_qops;
dst_vq->mem_ops = &vb2_dma_contig_memops;
dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
q->buf_struct_size = sizeof(struct vpfe_cap_buffer);
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->lock = &vpfe->lock;
- q->min_buffers_needed = 1;
+ q->min_queued_buffers = 1;
q->dev = vpfe->pdev;
err = vb2_queue_init(q);
q->mem_ops = &vb2_dma_contig_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->lock = &ctx->mutex;
- q->min_buffers_needed = 3;
+ q->min_queued_buffers = 3;
q->dev = ctx->cal->dev;
ret = vb2_queue_init(q);
q->mem_ops = &vb2_dma_contig_memops;
q->buf_struct_size = sizeof(struct vpif_cap_buffer);
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 1;
+ q->min_queued_buffers = 1;
q->lock = &common->lock;
q->dev = vpif_dev;
q->mem_ops = &vb2_dma_contig_memops;
q->buf_struct_size = sizeof(struct vpif_disp_buffer);
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 1;
+ q->min_queued_buffers = 1;
q->lock = &common->lock;
q->dev = vpif_dev;
err = vb2_queue_init(q);
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->dev = dmaengine_get_dma_device(csi->dma.chan);
q->lock = &csi->mutex;
- q->min_buffers_needed = 1;
+ q->min_queued_buffers = 1;
ret = vb2_queue_init(q);
if (ret)
vq->ops = &omap_vout_vb2_ops;
vq->mem_ops = &vb2_dma_contig_memops;
vq->lock = &vout->lock;
- vq->min_buffers_needed = 1;
+ vq->min_queued_buffers = 1;
vfd->queue = vq;
ret = vb2_queue_init(vq);
q->mem_ops = vimc_allocator == VIMC_ALLOCATOR_DMA_CONTIG
? &vb2_dma_contig_memops : &vb2_vmalloc_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->lock = &vcapture->lock;
q->dev = v4l2_dev->dev;
static int vivid_create_queue(struct vivid_dev *dev,
struct vb2_queue *q,
u32 buf_type,
- unsigned int min_buffers_needed,
+ unsigned int min_queued_buffers,
const struct vb2_ops *ops)
{
if (buf_type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->multiplanar)
q->mem_ops = allocators[dev->inst] == 1 ? &vb2_dma_contig_memops :
&vb2_vmalloc_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = supports_requests[dev->inst] ? 0 : min_buffers_needed;
+ q->min_queued_buffers = supports_requests[dev->inst] ? 0 : min_queued_buffers;
q->lock = &dev->mutex;
q->dev = dev->v4l2_dev.dev;
q->supports_requests = supports_requests[dev->inst];
q->ops = &cx231xx_video_qops;
q->mem_ops = &vb2_vmalloc_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 1;
+ q->min_queued_buffers = 1;
q->lock = &dev->lock;
err = vb2_queue_init(q);
if (err)
q->ops = &cx231xx_video_qops;
q->mem_ops = &vb2_vmalloc_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 1;
+ q->min_queued_buffers = 1;
q->lock = &dev->lock;
ret = vb2_queue_init(q);
if (ret)
q->ops = &cx231xx_vbi_qops;
q->mem_ops = &vb2_vmalloc_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 1;
+ q->min_queued_buffers = 1;
q->lock = &dev->lock;
ret = vb2_queue_init(q);
if (ret)
cxdev->videoqueue.buf_struct_size =
sizeof(struct cxusb_medion_vbuffer);
cxdev->videoqueue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- cxdev->videoqueue.min_buffers_needed = 6;
+ cxdev->videoqueue.min_queued_buffers = 6;
cxdev->videoqueue.lock = &cxdev->dev_lock;
ret = vb2_queue_init(&cxdev->videoqueue);
{
struct gspca_dev *gspca_dev = video_drvdata(filp);
- parm->parm.capture.readbuffers = gspca_dev->queue.min_buffers_needed;
+ parm->parm.capture.readbuffers = gspca_dev->queue.min_queued_buffers;
if (!gspca_dev->sd_desc->get_streamparm)
return 0;
{
struct gspca_dev *gspca_dev = video_drvdata(filp);
- parm->parm.capture.readbuffers = gspca_dev->queue.min_buffers_needed;
+ parm->parm.capture.readbuffers = gspca_dev->queue.min_queued_buffers;
if (!gspca_dev->sd_desc->set_streamparm) {
parm->parm.capture.capability = 0;
q->ops = &gspca_qops;
q->mem_ops = &vb2_vmalloc_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
q->lock = &gspca_dev->usb_lock;
ret = vb2_queue_init(q);
if (ret)
q->mem_ops = &vb2_dma_contig_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->lock = &isc->lock;
- q->min_buffers_needed = 1;
+ q->min_queued_buffers = 1;
q->dev = isc->dev;
ret = vb2_queue_init(q);
vq->mem_ops = &vb2_dma_contig_memops;
vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
vq->lock = &priv->mutex;
- vq->min_buffers_needed = 2;
+ vq->min_queued_buffers = 2;
vq->dev = priv->dev;
ret = vb2_queue_init(vq);
vbq->buf_struct_size = imgu->buf_struct_size;
vbq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
/* can streamon w/o buffers */
- vbq->min_buffers_needed = 0;
+ vbq->min_queued_buffers = 0;
vbq->drv_priv = imgu;
vbq->lock = &node->lock;
r = vb2_queue_init(vbq);
* we need all of them to be queued into the driver
*/
sess->num_dst_bufs = q_num_bufs + *num_buffers;
- q->min_buffers_needed = max(fmt_out->min_buffers, sess->num_dst_bufs);
+ q->min_queued_buffers = max(fmt_out->min_buffers, sess->num_dst_bufs);
}
static int vdec_queue_setup(struct vb2_queue *q, unsigned int *num_buffers,
src_vq->mem_ops = &vb2_dma_contig_memops;
src_vq->drv_priv = sess;
src_vq->buf_struct_size = sizeof(struct dummy_buf);
- src_vq->min_buffers_needed = 1;
+ src_vq->min_queued_buffers = 1;
src_vq->dev = sess->core->dev;
src_vq->lock = &sess->lock;
ret = vb2_queue_init(src_vq);
dst_vq->mem_ops = &vb2_dma_contig_memops;
dst_vq->drv_priv = sess;
dst_vq->buf_struct_size = sizeof(struct dummy_buf);
- dst_vq->min_buffers_needed = 1;
+ dst_vq->min_queued_buffers = 1;
dst_vq->dev = sess->core->dev;
dst_vq->lock = &sess->lock;
return vb2_queue_init(dst_vq);
q->buf_struct_size = sizeof(struct stfcamss_buffer);
q->dev = video->stfcamss->dev;
q->lock = &video->q_lock;
- q->min_buffers_needed = STFCAMSS_MIN_BUFFERS;
+ q->min_queued_buffers = STFCAMSS_MIN_BUFFERS;
ret = vb2_queue_init(q);
if (ret < 0) {
dev_err(video->stfcamss->dev,
queue->buf_struct_size = sizeof(struct sun6i_isp_buffer);
queue->ops = &sun6i_isp_capture_queue_ops;
queue->mem_ops = &vb2_dma_contig_memops;
- queue->min_buffers_needed = 2;
+ queue->min_queued_buffers = 2;
queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
queue->lock = &capture->lock;
queue->dev = isp_dev->dev;
queue->buf_struct_size = sizeof(struct sun6i_isp_buffer);
queue->ops = &sun6i_isp_params_queue_ops;
queue->mem_ops = &vb2_vmalloc_memops;
- queue->min_buffers_needed = 1;
+ queue->min_queued_buffers = 1;
queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
queue->lock = ¶ms->lock;
queue->dev = isp_dev->dev;
chan->queue.ops = &tegra_channel_queue_qops;
chan->queue.mem_ops = &vb2_dma_contig_memops;
chan->queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- chan->queue.min_buffers_needed = 2;
+ chan->queue.min_queued_buffers = 2;
chan->queue.dev = vi->dev;
ret = vb2_queue_init(&chan->queue);
if (ret < 0) {
* by calling vb2_buffer_done() with %VB2_BUF_STATE_QUEUED.
* If you need a minimum number of buffers before you can
* start streaming, then set
- * &vb2_queue->min_buffers_needed. If that is non-zero
+ * &vb2_queue->min_queued_buffers. If that is non-zero
* then @start_streaming won't be called until at least
* that many buffers have been queued up by userspace.
* @stop_streaming: called when 'streaming' state must be disabled; driver
* @gfp_flags: additional gfp flags used when allocating the buffers.
* Typically this is 0, but it may be e.g. %GFP_DMA or %__GFP_DMA32
* to force the buffer allocation to a specific memory zone.
- * @min_buffers_needed: the minimum number of buffers needed before
+ * @min_queued_buffers: the minimum number of queued buffers needed before
* @start_streaming can be called. Used when a DMA engine
* cannot be started unless at least this number of buffers
* have been queued into the driver.
+ * VIDIOC_REQBUFS will ensure at least @min_queued_buffers
+ * buffers will be allocated. Note that VIDIOC_CREATE_BUFS will not
+ * modify the requested buffer count.
*/
/*
* Private elements (won't appear at the uAPI book):
unsigned int buf_struct_size;
u32 timestamp_flags;
gfp_t gfp_flags;
- u32 min_buffers_needed;
+ u32 min_queued_buffers;
struct device *alloc_devs[VB2_MAX_PLANES];
* available before it can be started. The start_streaming() op
* won't be called until at least this many buffers are queued up.
*/
- q->min_buffers_needed = 2;
+ q->min_queued_buffers = 2;
/*
* The serialization lock for the streaming ioctls. This is the same
* as the main serialization lock, but if some of the non-streaming
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