[RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-27 Thread Laurent Pinchart
Hi Tomasz, On Friday 23 March 2012 12:33:24 Tomasz Stanislawski wrote: > On 03/22/2012 12:16 PM, Laurent Pinchart wrote: > > On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: [snip] > >> + case VIDIOC_EXPBUF: > >> + { > >> + struct v4l2_exportbuffer *p = arg; > >> + > >> +

Re: [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-27 Thread Laurent Pinchart
Hi Tomasz, On Friday 23 March 2012 12:33:24 Tomasz Stanislawski wrote: > On 03/22/2012 12:16 PM, Laurent Pinchart wrote: > > On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: [snip] > >> + case VIDIOC_EXPBUF: > >> + { > >> + struct v4l2_exportbuffer *p = arg; > >> + > >> +

[RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-23 Thread Tomasz Stanislawski
Hi Laurent, Please refer to the comments below. On 03/22/2012 12:16 PM, Laurent Pinchart wrote: > Hi Tomasz, > > Thanks for the patch. > > On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: >> This patch adds extension to V4L2 api. It allow to export a mmap buffer as >> file descriptor

Re: [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-23 Thread Tomasz Stanislawski
Hi Laurent, Please refer to the comments below. On 03/22/2012 12:16 PM, Laurent Pinchart wrote: > Hi Tomasz, > > Thanks for the patch. > > On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: >> This patch adds extension to V4L2 api. It allow to export a mmap buffer as >> file descriptor

Re: [Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Subash Patel
On 03/22/2012 07:37 PM, Laurent Pinchart wrote: Hi Subash, On Thursday 22 March 2012 19:27:01 Subash Patel wrote: On 03/22/2012 04:46 PM, Laurent Pinchart wrote: On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: [snip] diff --git a/include/linux/videodev2.h b/include/linux/vid

Re: [Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Subash Patel
Hi Thomasz, On 03/22/2012 04:46 PM, Laurent Pinchart wrote: Hi Tomasz, Thanks for the patch. On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: This patch adds extension to V4L2 api. It allow to export a mmap buffer as file descriptor. New ioctl VIDIOC_EXPBUF is added. It takes a bu

[Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Subash Patel
On 03/22/2012 07:37 PM, Laurent Pinchart wrote: > Hi Subash, > > On Thursday 22 March 2012 19:27:01 Subash Patel wrote: >> On 03/22/2012 04:46 PM, Laurent Pinchart wrote: >>> On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: > > [snip] > diff --git a/include/linux/videodev2.h b/in

[Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Subash Patel
Hi Thomasz, On 03/22/2012 04:46 PM, Laurent Pinchart wrote: > Hi Tomasz, > > Thanks for the patch. > > On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: >> This patch adds extension to V4L2 api. It allow to export a mmap buffer as >> file descriptor. New ioctl VIDIOC_EXPBUF is added. It

[Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
Hi Subash, On Thursday 22 March 2012 20:29:57 Subash Patel wrote: > On 03/22/2012 07:37 PM, Laurent Pinchart wrote: > > On Thursday 22 March 2012 19:27:01 Subash Patel wrote: > >> On 03/22/2012 04:46 PM, Laurent Pinchart wrote: > >>> On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: > >

[Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
On Thursday 22 March 2012 15:26:08 Daniel Vetter wrote: > On Thu, Mar 22, 2012 at 03:07:18PM +0100, Laurent Pinchart wrote: > > > >> + * Contains data used for exporting a video buffer as DMABUF file > > > >> + * descriptor. Uses the same 'cookie' as mmap() syscall. All > > > >> reserved > > > >> f

[Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Daniel Vetter
On Thu, Mar 22, 2012 at 03:07:18PM +0100, Laurent Pinchart wrote: > > >> + * Contains data used for exporting a video buffer as DMABUF file > > >> + * descriptor. Uses the same 'cookie' as mmap() syscall. All reserved > > >> fields > > >> + * must be set to zero. > > >> + */ > > >> +struct v4l2_exp

[Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
Hi Subash, On Thursday 22 March 2012 19:27:01 Subash Patel wrote: > On 03/22/2012 04:46 PM, Laurent Pinchart wrote: > > On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: [snip] > >> diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h > >> index bb6844e..e71c787 100644 >

[RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
Hi Tomasz, Thanks for the patch. On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: > This patch adds extension to V4L2 api. It allow to export a mmap buffer as > file descriptor. New ioctl VIDIOC_EXPBUF is added. It takes a buffer offset > used by mmap and return a file descriptor on s

Re: [Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
Hi Subash, On Thursday 22 March 2012 20:29:57 Subash Patel wrote: > On 03/22/2012 07:37 PM, Laurent Pinchart wrote: > > On Thursday 22 March 2012 19:27:01 Subash Patel wrote: > >> On 03/22/2012 04:46 PM, Laurent Pinchart wrote: > >>> On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: > >

Re: [Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
On Thursday 22 March 2012 15:26:08 Daniel Vetter wrote: > On Thu, Mar 22, 2012 at 03:07:18PM +0100, Laurent Pinchart wrote: > > > >> + * Contains data used for exporting a video buffer as DMABUF file > > > >> + * descriptor. Uses the same 'cookie' as mmap() syscall. All > > > >> reserved > > > >> f

Re: [Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Daniel Vetter
On Thu, Mar 22, 2012 at 03:07:18PM +0100, Laurent Pinchart wrote: > > >> + * Contains data used for exporting a video buffer as DMABUF file > > >> + * descriptor. Uses the same 'cookie' as mmap() syscall. All reserved > > >> fields > > >> + * must be set to zero. > > >> + */ > > >> +struct v4l2_exp

Re: [Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
Hi Subash, On Thursday 22 March 2012 19:27:01 Subash Patel wrote: > On 03/22/2012 04:46 PM, Laurent Pinchart wrote: > > On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: [snip] > >> diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h > >> index bb6844e..e71c787 100644 >

Re: [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
Hi Tomasz, Thanks for the patch. On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: > This patch adds extension to V4L2 api. It allow to export a mmap buffer as > file descriptor. New ioctl VIDIOC_EXPBUF is added. It takes a buffer offset > used by mmap and return a file descriptor on s

[RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-18 Thread Daniel Vetter
On Tue, Mar 13, 2012 at 11:17:02AM +0100, Tomasz Stanislawski wrote: > This patch adds extension to V4L2 api. It allow to export a mmap buffer as > file > descriptor. New ioctl VIDIOC_EXPBUF is added. It takes a buffer offset used by > mmap and return a file descriptor on success. > > Signed-off-

Re: [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-18 Thread Daniel Vetter
On Tue, Mar 13, 2012 at 11:17:02AM +0100, Tomasz Stanislawski wrote: > This patch adds extension to V4L2 api. It allow to export a mmap buffer as > file > descriptor. New ioctl VIDIOC_EXPBUF is added. It takes a buffer offset used by > mmap and return a file descriptor on success. > > Signed-off-

[RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-13 Thread Tomasz Stanislawski
This patch adds extension to V4L2 api. It allow to export a mmap buffer as file descriptor. New ioctl VIDIOC_EXPBUF is added. It takes a buffer offset used by mmap and return a file descriptor on success. Signed-off-by: Tomasz Stanislawski Signed-off-by: Kyungmin Park --- drivers/media/video/v4

[RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-13 Thread Tomasz Stanislawski
This patch adds extension to V4L2 api. It allow to export a mmap buffer as file descriptor. New ioctl VIDIOC_EXPBUF is added. It takes a buffer offset used by mmap and return a file descriptor on success. Signed-off-by: Tomasz Stanislawski Signed-off-by: Kyungmin Park --- drivers/media/video/v4