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path: root/drivers/media/pci/tw68/tw68-video.c
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Diffstat (limited to 'drivers/media/pci/tw68/tw68-video.c')
-rw-r--r--drivers/media/pci/tw68/tw68-video.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/tw68-video.c
index 5c94ac7c88d9..8355e55b4e8e 100644
--- a/drivers/media/pci/tw68/tw68-video.c
+++ b/drivers/media/pci/tw68/tw68-video.c
@@ -384,6 +384,7 @@ static int tw68_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
unsigned tot_bufs = q->num_buffers + *num_buffers;
sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
+ alloc_ctxs[0] = dev->alloc_ctx;
/*
* We allow create_bufs, but only if the sizeimage is the same as the
* current sizeimage. The tw68_buffer_count calculation becomes quite
@@ -461,17 +462,12 @@ static int tw68_buf_prepare(struct vb2_buffer *vb)
struct tw68_buf *buf = container_of(vb, struct tw68_buf, vb);
struct sg_table *dma = vb2_dma_sg_plane_desc(vb, 0);
unsigned size, bpl;
- int rc;
size = (dev->width * dev->height * dev->fmt->depth) >> 3;
if (vb2_plane_size(vb, 0) < size)
return -EINVAL;
vb2_set_plane_payload(vb, 0, size);
- rc = dma_map_sg(&dev->pci->dev, dma->sgl, dma->nents, DMA_FROM_DEVICE);
- if (!rc)
- return -EIO;
-
bpl = (dev->width * dev->fmt->depth) >> 3;
switch (dev->field) {
case V4L2_FIELD_TOP:
@@ -505,11 +501,8 @@ static void tw68_buf_finish(struct vb2_buffer *vb)
{
struct vb2_queue *vq = vb->vb2_queue;
struct tw68_dev *dev = vb2_get_drv_priv(vq);
- struct sg_table *dma = vb2_dma_sg_plane_desc(vb, 0);
struct tw68_buf *buf = container_of(vb, struct tw68_buf, vb);
- dma_unmap_sg(&dev->pci->dev, dma->sgl, dma->nents, DMA_FROM_DEVICE);
-
pci_free_consistent(dev->pci, buf->size, buf->cpu, buf->dma);
}