Re: [PATCH 2/2] uvcvideo: Allow userptr IO mode.
Hi Laurent, FYI Marek has already merged 1/2 into his vb2-fixes branch. -- Javier Martin Vista Silicon S.L. CDTUC - FASE C - Oficina S-345 Avda de los Castros s/n 39005- Santander. Cantabria. Spain +34 942 25 32 60 www.vista-silicon.com -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH 2/2] uvcvideo: Allow userptr IO mode.
Hi Javier, On Thursday 12 January 2012 13:16:19 javier Martin wrote: Hi Laurent, FYI Marek has already merged 1/2 into his vb2-fixes branch. I've queued 2/2 to my tree and will push it to v3.4. -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
[PATCH 2/2] uvcvideo: Allow userptr IO mode.
Userptr can be very useful if a UVC camera
is requested to use video buffers allocated
by another processing device. So that
buffers don't need to be copied.
Signed-off-by: Javier Martin javier.mar...@vista-silicon.com
---
drivers/media/video/uvc/uvc_queue.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/media/video/uvc/uvc_queue.c
b/drivers/media/video/uvc/uvc_queue.c
index 518f77d..8f54e24 100644
--- a/drivers/media/video/uvc/uvc_queue.c
+++ b/drivers/media/video/uvc/uvc_queue.c
@@ -126,7 +126,7 @@ void uvc_queue_init(struct uvc_video_queue *queue, enum
v4l2_buf_type type,
int drop_corrupted)
{
queue-queue.type = type;
- queue-queue.io_modes = VB2_MMAP;
+ queue-queue.io_modes = VB2_MMAP | VB2_USERPTR;
queue-queue.drv_priv = queue;
queue-queue.buf_struct_size = sizeof(struct uvc_buffer);
queue-queue.ops = uvc_queue_qops;
--
1.7.0.4
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Re: [PATCH 2/2] uvcvideo: Allow userptr IO mode.
Hi Javier,
Thanks for the patch.
On Monday 02 January 2012 15:12:23 Javier Martin wrote:
Userptr can be very useful if a UVC camera
is requested to use video buffers allocated
by another processing device. So that
buffers don't need to be copied.
Signed-off-by: Javier Martin javier.mar...@vista-silicon.com
Acked-by: Laurent Pinchart laurent.pinch...@ideasonboard.com
I'll push the patch through my tree when 1/2 will be acked.
---
drivers/media/video/uvc/uvc_queue.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/media/video/uvc/uvc_queue.c
b/drivers/media/video/uvc/uvc_queue.c index 518f77d..8f54e24 100644
--- a/drivers/media/video/uvc/uvc_queue.c
+++ b/drivers/media/video/uvc/uvc_queue.c
@@ -126,7 +126,7 @@ void uvc_queue_init(struct uvc_video_queue *queue, enum
v4l2_buf_type type, int drop_corrupted)
{
queue-queue.type = type;
- queue-queue.io_modes = VB2_MMAP;
+ queue-queue.io_modes = VB2_MMAP | VB2_USERPTR;
queue-queue.drv_priv = queue;
queue-queue.buf_struct_size = sizeof(struct uvc_buffer);
queue-queue.ops = uvc_queue_qops;
--
Regards,
Laurent Pinchart
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