diff options
Diffstat (limited to 'drivers/media/common/saa7146_video.c')
| -rw-r--r-- | drivers/media/common/saa7146_video.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c index 552dab442d78..becbaadb3b77 100644 --- a/drivers/media/common/saa7146_video.c +++ b/drivers/media/common/saa7146_video.c @@ -1205,6 +1205,13 @@ static int buffer_activate (struct saa7146_dev *dev, return 0; } +static void release_all_pagetables(struct saa7146_dev *dev, struct saa7146_buf *buf) +{ + saa7146_pgtable_free(dev->pci, &buf->pt[0]); + saa7146_pgtable_free(dev->pci, &buf->pt[1]); + saa7146_pgtable_free(dev->pci, &buf->pt[2]); +} + static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, enum v4l2_field field) { @@ -1257,16 +1264,12 @@ static int buffer_prepare(struct videobuf_queue *q, sfmt = format_by_fourcc(dev,buf->fmt->pixelformat); + release_all_pagetables(dev, buf); if( 0 != IS_PLANAR(sfmt->trans)) { - saa7146_pgtable_free(dev->pci, &buf->pt[0]); - saa7146_pgtable_free(dev->pci, &buf->pt[1]); - saa7146_pgtable_free(dev->pci, &buf->pt[2]); - saa7146_pgtable_alloc(dev->pci, &buf->pt[0]); saa7146_pgtable_alloc(dev->pci, &buf->pt[1]); saa7146_pgtable_alloc(dev->pci, &buf->pt[2]); } else { - saa7146_pgtable_free(dev->pci, &buf->pt[0]); saa7146_pgtable_alloc(dev->pci, &buf->pt[0]); } @@ -1329,6 +1332,9 @@ static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) struct saa7146_buf *buf = (struct saa7146_buf *)vb; DEB_CAP(("vbuf:%p\n",vb)); + + release_all_pagetables(dev, buf); + saa7146_dma_free(dev,q,buf); } |