Hi Tomasz On 23 May 2012 14:07, Tomasz Stanislawski <t.stanislaws at samsung.com> wrote:
> Hello everyone, > The patches adds support for DMABUF exporting to V4L2 stack. The latest > support for DMABUF importing was posted in [1]. The exporter part is > dependant > on DMA mapping redesign [2] which is not merged into the mainline. > Therefore it > is posted as a separate patchset. Moreover some patches depends on vmap > extension for DMABUF by Dave Airlie [3] and sg_alloc_table_from_pages > function > [4]. > Do you have your own git ? Thanks Sangwook > Changelog: > v0: (RFC) > - updated setup of VIDIOC_EXPBUF ioctl > - doc updates > - introduced workaround to avoid using dma_get_pages, > - removed caching of exported dmabuf to avoid existence of circular > reference > between dmabuf and vb2_dc_buf or resource leakage > - removed all 'change behaviour' patches > - inital support for exporting in s5p-mfs driver > - removal of vb2_mmap_pfn_range that is no longer used > - use sg_alloc_table_from_pages instead of creating sglist in vb2_dc code > - move attachment allocation to exporter's attach callback > > [1] > http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/48730 > [2] http://thread.gmane.org/gmane.linux.kernel.cross-arch/14098 > [3] http://permalink.gmane.org/gmane.comp.video.dri.devel/69302 > [4] This patchset is rebased on 3.4-rc1 plus the following patchsets: > > Marek Szyprowski (1): > v4l: vb2-dma-contig: let mmap method to use dma_mmap_coherent call > > Tomasz Stanislawski (11): > v4l: add buffer exporting via dmabuf > v4l: vb2: add buffer exporting via dmabuf > v4l: vb2-dma-contig: add setup of sglist for MMAP buffers > v4l: vb2-dma-contig: add support for DMABUF exporting > v4l: vb2-dma-contig: add vmap/kmap for dmabuf exporting > v4l: s5p-fimc: support for dmabuf exporting > v4l: s5p-tv: mixer: support for dmabuf exporting > v4l: s5p-mfc: support for dmabuf exporting > v4l: vb2: remove vb2_mmap_pfn_range function > v4l: vb2-dma-contig: use sg_alloc_table_from_pages function > v4l: vb2-dma-contig: Move allocation of dbuf attachment to attach cb > > drivers/media/video/s5p-fimc/fimc-capture.c | 9 + > drivers/media/video/s5p-mfc/s5p_mfc_dec.c | 13 ++ > drivers/media/video/s5p-mfc/s5p_mfc_enc.c | 13 ++ > drivers/media/video/s5p-tv/mixer_video.c | 10 + > drivers/media/video/v4l2-compat-ioctl32.c | 1 + > drivers/media/video/v4l2-dev.c | 1 + > drivers/media/video/v4l2-ioctl.c | 6 + > drivers/media/video/videobuf2-core.c | 67 ++++++ > drivers/media/video/videobuf2-dma-contig.c | 323 > ++++++++++++++++++++++----- > drivers/media/video/videobuf2-memops.c | 40 ---- > include/linux/videodev2.h | 26 +++ > include/media/v4l2-ioctl.h | 2 + > include/media/videobuf2-core.h | 2 + > include/media/videobuf2-memops.h | 5 - > 14 files changed, 411 insertions(+), 107 deletions(-) > > -- > 1.7.9.5 > > > _______________________________________________ > Linaro-mm-sig mailing list > Linaro-mm-sig at lists.linaro.org > http://lists.linaro.org/mailman/listinfo/linaro-mm-sig > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20120523/6ed44937/attachment.htm>