diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2014-11-18 09:51:01 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-11-25 08:55:32 -0200 |
| commit | 0c3a14c177aa85afb991e7c2be3921aa9a52a893 (patch) | |
| tree | de833b66ee640393292bc404e16c8f43a49ae89c /drivers/media/pci/solo6x10 | |
| parent | e5ae8fa739f8a1d5c292c5b13fa33ac64166e5a0 (diff) | |
[media] vb2-dma-sg: add allocation context to dma-sg
Require that dma-sg also uses an allocation context. This is in preparation
for adding prepare/finish memops to sync the memory between DMA and CPU.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Pawel Osciak <pawel@osciak.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/pci/solo6x10')
| -rw-r--r-- | drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c | 10 | ||||
| -rw-r--r-- | drivers/media/pci/solo6x10/solo6x10.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c index 30e09d935ce1..4f6bfba58065 100644 --- a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c +++ b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c @@ -718,7 +718,10 @@ static int solo_enc_queue_setup(struct vb2_queue *q, unsigned int *num_planes, unsigned int sizes[], void *alloc_ctxs[]) { + struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); + sizes[0] = FRAME_BUF_SIZE; + alloc_ctxs[0] = solo_enc->alloc_ctx; *num_planes = 1; if (*num_buffers < MIN_VID_BUFFERS) @@ -1266,6 +1269,11 @@ static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev, return ERR_PTR(-ENOMEM); hdl = &solo_enc->hdl; + solo_enc->alloc_ctx = vb2_dma_sg_init_ctx(&solo_dev->pdev->dev); + if (IS_ERR(solo_enc->alloc_ctx)) { + ret = PTR_ERR(solo_enc->alloc_ctx); + goto hdl_free; + } v4l2_ctrl_handler_init(hdl, 10); v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); @@ -1369,6 +1377,7 @@ pci_free: solo_enc->desc_items, solo_enc->desc_dma); hdl_free: v4l2_ctrl_handler_free(hdl); + vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx); kfree(solo_enc); return ERR_PTR(ret); } @@ -1383,6 +1392,7 @@ static void solo_enc_free(struct solo_enc_dev *solo_enc) solo_enc->desc_items, solo_enc->desc_dma); video_unregister_device(solo_enc->vfd); v4l2_ctrl_handler_free(&solo_enc->hdl); + vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx); kfree(solo_enc); } diff --git a/drivers/media/pci/solo6x10/solo6x10.h b/drivers/media/pci/solo6x10/solo6x10.h index 72017b7f0a75..bd8edfa319b8 100644 --- a/drivers/media/pci/solo6x10/solo6x10.h +++ b/drivers/media/pci/solo6x10/solo6x10.h @@ -180,6 +180,7 @@ struct solo_enc_dev { u32 sequence; struct vb2_queue vidq; struct list_head vidq_active; + void *alloc_ctx; int desc_count; int desc_nelts; struct solo_p2m_desc *desc_items; |