[PATCHv7 00/15] Integration of videobuf2 with dmabuf
On Tue July 31 2012 08:23:15 Hans Verkuil wrote: > Hi Tomasz! > > What is the status of this? If it is stable, then it might be a good idea to > rebase to the latest for_v3.6 and make a pull request for 3.6. BTW, while rebasing also fix two typos in patch 9 and 15: s/usefull/useful/ Regards, Hans > > Regards, > > Hans > > On Thu June 14 2012 15:37:34 Tomasz Stanislawski wrote: > > Hello everyone, > > This patchset adds support for DMABUF [2] importing to V4L2 stack. > > The support for DMABUF exporting was moved to separate patchset > > due to dependency on patches for DMA mapping redesign by > > Marek Szyprowski [4]. This patchset depends on new scatterlist > > constructor [5]. > > > > v7: > > - support for V4L2_MEMORY_DMABUF in v4l2-compact-ioctl32.c > > - cosmetic fixes to the documentation > > - added importing for vmalloc because vmap support in dmabuf for 3.5 > > was pull-requested > > - support for dmabuf importing for VIVI > > - resurrect allocation of dma-contig context > > - remove reference of alloc_ctx in dma-contig buffer > > - use sg_alloc_table_from_pages > > - fix DMA scatterlist calls to use orig_nents instead of nents > > - fix memleak in vb2_dc_sgt_foreach_page (use orig_nents instead of nents) > > > > v6: > > - fixed missing entry in v4l2_memory_names > > - fixed a bug occuring after get_user_pages failure > > - fixed a bug caused by using invalid vma for get_user_pages > > - prepare/finish no longer call dma_sync for dmabuf buffers > > > > v5: > > - removed change of importer/exporter behaviour > > - fixes vb2_dc_pages_to_sgt basing on Laurent's hints > > - changed pin/unpin words to lock/unlock in Doc > > > > v4: > > - rebased on mainline 3.4-rc2 > > - included missing importing support for s5p-fimc and s5p-tv > > - added patch for changing map/unmap for importers > > - fixes to Documentation part > > - coding style fixes > > - pairing {map/unmap}_dmabuf in vb2-core > > - fixing variable types and semantic of arguments in videobufb2-dma-contig.c > > > > v3: > > - rebased on mainline 3.4-rc1 > > - split 'code refactor' patch to multiple smaller patches > > - squashed fixes to Sumit's patches > > - patchset is no longer dependant on 'DMA mapping redesign' > > - separated path for handling IO and non-IO mappings > > - add documentation for DMABUF importing to V4L > > - removed all DMABUF exporter related code > > - removed usage of dma_get_pages extension > > > > v2: > > - extended VIDIOC_EXPBUF argument from integer memoffset to struct > > v4l2_exportbuffer > > - added patch that breaks DMABUF spec on (un)map_atachment callcacks but > > allows > > to work with existing implementation of DMABUF prime in DRM > > - all dma-contig code refactoring patches were squashed > > - bugfixes > > > > v1: List of changes since [1]. > > - support for DMA api extension dma_get_pages, the function is used to > > retrieve > > pages used to create DMA mapping. > > - small fixes/code cleanup to videobuf2 > > - added prepare and finish callbacks to vb2 allocators, it is used keep > > consistency between dma-cpu acess to the memory (by Marek Szyprowski) > > - support for exporting of DMABUF buffer in V4L2 and Videobuf2, originated > > from > > [3]. > > - support for dma-buf exporting in vb2-dma-contig allocator > > - support for DMABUF for s5p-tv and s5p-fimc (capture interface) drivers, > > originated from [3] > > - changed handling for userptr buffers (by Marek Szyprowski, Andrzej > > Pietrasiewicz) > > - let mmap method to use dma_mmap_writecombine call (by Marek Szyprowski) > > > > [1] > > http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/42966/focus=42968 > > [2] https://lkml.org/lkml/2011/12/26/29 > > [3] > > http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/36354/focus=36355 > > [4] http://thread.gmane.org/gmane.linux.kernel.cross-arch/12819 > > [5] > > http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/47983 > > > > Laurent Pinchart (2): > > v4l: vb2-dma-contig: Shorten vb2_dma_contig prefix to vb2_dc > > v4l: vb2-dma-contig: Reorder functions > > > > Marek Szyprowski (2): > > v4l: vb2: add prepare/finish callbacks to allocators > > v4l: vb2-dma-contig: add prepare/finish to dma-contig allocator > > > > Sumit Semwal (4): > > v4l: Add DMABUF as a memory type > > v4l: vb2: add support for shared buffer (dma_buf) > > v4l: vb: remove warnings about MEMORY_DMABUF > > v4l: vb2-dma-contig: add support for dma_buf importing > > > > Tomasz Stanislawski (7): > > Documentation: media: description of DMABUF importing in V4L2 > > v4l: vb2-dma-contig: remove reference of alloc_ctx from a buffer > > v4l: vb2-dma-contig: add support for scatterlist in userptr mode > > v4l: vb2-vmalloc: add support for dmabuf importing > > v4l: vivi: support for dmabuf importing > > v4l: s5p-tv: mixer: support for dmabuf importing > > v4l: s5p-fimc: support for dmabuf importing > > > >
[PATCHv7 00/15] Integration of videobuf2 with dmabuf
Hi Tomasz! What is the status of this? If it is stable, then it might be a good idea to rebase to the latest for_v3.6 and make a pull request for 3.6. Regards, Hans On Thu June 14 2012 15:37:34 Tomasz Stanislawski wrote: > Hello everyone, > This patchset adds support for DMABUF [2] importing to V4L2 stack. > The support for DMABUF exporting was moved to separate patchset > due to dependency on patches for DMA mapping redesign by > Marek Szyprowski [4]. This patchset depends on new scatterlist > constructor [5]. > > v7: > - support for V4L2_MEMORY_DMABUF in v4l2-compact-ioctl32.c > - cosmetic fixes to the documentation > - added importing for vmalloc because vmap support in dmabuf for 3.5 > was pull-requested > - support for dmabuf importing for VIVI > - resurrect allocation of dma-contig context > - remove reference of alloc_ctx in dma-contig buffer > - use sg_alloc_table_from_pages > - fix DMA scatterlist calls to use orig_nents instead of nents > - fix memleak in vb2_dc_sgt_foreach_page (use orig_nents instead of nents) > > v6: > - fixed missing entry in v4l2_memory_names > - fixed a bug occuring after get_user_pages failure > - fixed a bug caused by using invalid vma for get_user_pages > - prepare/finish no longer call dma_sync for dmabuf buffers > > v5: > - removed change of importer/exporter behaviour > - fixes vb2_dc_pages_to_sgt basing on Laurent's hints > - changed pin/unpin words to lock/unlock in Doc > > v4: > - rebased on mainline 3.4-rc2 > - included missing importing support for s5p-fimc and s5p-tv > - added patch for changing map/unmap for importers > - fixes to Documentation part > - coding style fixes > - pairing {map/unmap}_dmabuf in vb2-core > - fixing variable types and semantic of arguments in videobufb2-dma-contig.c > > v3: > - rebased on mainline 3.4-rc1 > - split 'code refactor' patch to multiple smaller patches > - squashed fixes to Sumit's patches > - patchset is no longer dependant on 'DMA mapping redesign' > - separated path for handling IO and non-IO mappings > - add documentation for DMABUF importing to V4L > - removed all DMABUF exporter related code > - removed usage of dma_get_pages extension > > v2: > - extended VIDIOC_EXPBUF argument from integer memoffset to struct > v4l2_exportbuffer > - added patch that breaks DMABUF spec on (un)map_atachment callcacks but > allows > to work with existing implementation of DMABUF prime in DRM > - all dma-contig code refactoring patches were squashed > - bugfixes > > v1: List of changes since [1]. > - support for DMA api extension dma_get_pages, the function is used to > retrieve > pages used to create DMA mapping. > - small fixes/code cleanup to videobuf2 > - added prepare and finish callbacks to vb2 allocators, it is used keep > consistency between dma-cpu acess to the memory (by Marek Szyprowski) > - support for exporting of DMABUF buffer in V4L2 and Videobuf2, originated > from > [3]. > - support for dma-buf exporting in vb2-dma-contig allocator > - support for DMABUF for s5p-tv and s5p-fimc (capture interface) drivers, > originated from [3] > - changed handling for userptr buffers (by Marek Szyprowski, Andrzej > Pietrasiewicz) > - let mmap method to use dma_mmap_writecombine call (by Marek Szyprowski) > > [1] > http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/42966/focus=42968 > [2] https://lkml.org/lkml/2011/12/26/29 > [3] > http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/36354/focus=36355 > [4] http://thread.gmane.org/gmane.linux.kernel.cross-arch/12819 > [5] > http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/47983 > > Laurent Pinchart (2): > v4l: vb2-dma-contig: Shorten vb2_dma_contig prefix to vb2_dc > v4l: vb2-dma-contig: Reorder functions > > Marek Szyprowski (2): > v4l: vb2: add prepare/finish callbacks to allocators > v4l: vb2-dma-contig: add prepare/finish to dma-contig allocator > > Sumit Semwal (4): > v4l: Add DMABUF as a memory type > v4l: vb2: add support for shared buffer (dma_buf) > v4l: vb: remove warnings about MEMORY_DMABUF > v4l: vb2-dma-contig: add support for dma_buf importing > > Tomasz Stanislawski (7): > Documentation: media: description of DMABUF importing in V4L2 > v4l: vb2-dma-contig: remove reference of alloc_ctx from a buffer > v4l: vb2-dma-contig: add support for scatterlist in userptr mode > v4l: vb2-vmalloc: add support for dmabuf importing > v4l: vivi: support for dmabuf importing > v4l: s5p-tv: mixer: support for dmabuf importing > v4l: s5p-fimc: support for dmabuf importing > > Documentation/DocBook/media/v4l/compat.xml |4 + > Documentation/DocBook/media/v4l/io.xml | 179 > .../DocBook/media/v4l/vidioc-create-bufs.xml |3 +- > Documentation/DocBook/media/v4l/vidioc-qbuf.xml| 15 + > Documentation/DocBook/media/v4l/vidioc-reqbufs.xml | 47 +- > drivers/media/video/Kconfig|1 +
Re: [PATCHv7 00/15] Integration of videobuf2 with dmabuf
Hi Tomasz! What is the status of this? If it is stable, then it might be a good idea to rebase to the latest for_v3.6 and make a pull request for 3.6. Regards, Hans On Thu June 14 2012 15:37:34 Tomasz Stanislawski wrote: Hello everyone, This patchset adds support for DMABUF [2] importing to V4L2 stack. The support for DMABUF exporting was moved to separate patchset due to dependency on patches for DMA mapping redesign by Marek Szyprowski [4]. This patchset depends on new scatterlist constructor [5]. v7: - support for V4L2_MEMORY_DMABUF in v4l2-compact-ioctl32.c - cosmetic fixes to the documentation - added importing for vmalloc because vmap support in dmabuf for 3.5 was pull-requested - support for dmabuf importing for VIVI - resurrect allocation of dma-contig context - remove reference of alloc_ctx in dma-contig buffer - use sg_alloc_table_from_pages - fix DMA scatterlist calls to use orig_nents instead of nents - fix memleak in vb2_dc_sgt_foreach_page (use orig_nents instead of nents) v6: - fixed missing entry in v4l2_memory_names - fixed a bug occuring after get_user_pages failure - fixed a bug caused by using invalid vma for get_user_pages - prepare/finish no longer call dma_sync for dmabuf buffers v5: - removed change of importer/exporter behaviour - fixes vb2_dc_pages_to_sgt basing on Laurent's hints - changed pin/unpin words to lock/unlock in Doc v4: - rebased on mainline 3.4-rc2 - included missing importing support for s5p-fimc and s5p-tv - added patch for changing map/unmap for importers - fixes to Documentation part - coding style fixes - pairing {map/unmap}_dmabuf in vb2-core - fixing variable types and semantic of arguments in videobufb2-dma-contig.c v3: - rebased on mainline 3.4-rc1 - split 'code refactor' patch to multiple smaller patches - squashed fixes to Sumit's patches - patchset is no longer dependant on 'DMA mapping redesign' - separated path for handling IO and non-IO mappings - add documentation for DMABUF importing to V4L - removed all DMABUF exporter related code - removed usage of dma_get_pages extension v2: - extended VIDIOC_EXPBUF argument from integer memoffset to struct v4l2_exportbuffer - added patch that breaks DMABUF spec on (un)map_atachment callcacks but allows to work with existing implementation of DMABUF prime in DRM - all dma-contig code refactoring patches were squashed - bugfixes v1: List of changes since [1]. - support for DMA api extension dma_get_pages, the function is used to retrieve pages used to create DMA mapping. - small fixes/code cleanup to videobuf2 - added prepare and finish callbacks to vb2 allocators, it is used keep consistency between dma-cpu acess to the memory (by Marek Szyprowski) - support for exporting of DMABUF buffer in V4L2 and Videobuf2, originated from [3]. - support for dma-buf exporting in vb2-dma-contig allocator - support for DMABUF for s5p-tv and s5p-fimc (capture interface) drivers, originated from [3] - changed handling for userptr buffers (by Marek Szyprowski, Andrzej Pietrasiewicz) - let mmap method to use dma_mmap_writecombine call (by Marek Szyprowski) [1] http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/42966/focus=42968 [2] https://lkml.org/lkml/2011/12/26/29 [3] http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/36354/focus=36355 [4] http://thread.gmane.org/gmane.linux.kernel.cross-arch/12819 [5] http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/47983 Laurent Pinchart (2): v4l: vb2-dma-contig: Shorten vb2_dma_contig prefix to vb2_dc v4l: vb2-dma-contig: Reorder functions Marek Szyprowski (2): v4l: vb2: add prepare/finish callbacks to allocators v4l: vb2-dma-contig: add prepare/finish to dma-contig allocator Sumit Semwal (4): v4l: Add DMABUF as a memory type v4l: vb2: add support for shared buffer (dma_buf) v4l: vb: remove warnings about MEMORY_DMABUF v4l: vb2-dma-contig: add support for dma_buf importing Tomasz Stanislawski (7): Documentation: media: description of DMABUF importing in V4L2 v4l: vb2-dma-contig: remove reference of alloc_ctx from a buffer v4l: vb2-dma-contig: add support for scatterlist in userptr mode v4l: vb2-vmalloc: add support for dmabuf importing v4l: vivi: support for dmabuf importing v4l: s5p-tv: mixer: support for dmabuf importing v4l: s5p-fimc: support for dmabuf importing Documentation/DocBook/media/v4l/compat.xml |4 + Documentation/DocBook/media/v4l/io.xml | 179 .../DocBook/media/v4l/vidioc-create-bufs.xml |3 +- Documentation/DocBook/media/v4l/vidioc-qbuf.xml| 15 + Documentation/DocBook/media/v4l/vidioc-reqbufs.xml | 47 +- drivers/media/video/Kconfig|1 + drivers/media/video/s5p-fimc/Kconfig |1 + drivers/media/video/s5p-fimc/fimc-capture.c
Re: [PATCHv7 00/15] Integration of videobuf2 with dmabuf
On Tue July 31 2012 08:23:15 Hans Verkuil wrote: Hi Tomasz! What is the status of this? If it is stable, then it might be a good idea to rebase to the latest for_v3.6 and make a pull request for 3.6. BTW, while rebasing also fix two typos in patch 9 and 15: s/usefull/useful/ Regards, Hans Regards, Hans On Thu June 14 2012 15:37:34 Tomasz Stanislawski wrote: Hello everyone, This patchset adds support for DMABUF [2] importing to V4L2 stack. The support for DMABUF exporting was moved to separate patchset due to dependency on patches for DMA mapping redesign by Marek Szyprowski [4]. This patchset depends on new scatterlist constructor [5]. v7: - support for V4L2_MEMORY_DMABUF in v4l2-compact-ioctl32.c - cosmetic fixes to the documentation - added importing for vmalloc because vmap support in dmabuf for 3.5 was pull-requested - support for dmabuf importing for VIVI - resurrect allocation of dma-contig context - remove reference of alloc_ctx in dma-contig buffer - use sg_alloc_table_from_pages - fix DMA scatterlist calls to use orig_nents instead of nents - fix memleak in vb2_dc_sgt_foreach_page (use orig_nents instead of nents) v6: - fixed missing entry in v4l2_memory_names - fixed a bug occuring after get_user_pages failure - fixed a bug caused by using invalid vma for get_user_pages - prepare/finish no longer call dma_sync for dmabuf buffers v5: - removed change of importer/exporter behaviour - fixes vb2_dc_pages_to_sgt basing on Laurent's hints - changed pin/unpin words to lock/unlock in Doc v4: - rebased on mainline 3.4-rc2 - included missing importing support for s5p-fimc and s5p-tv - added patch for changing map/unmap for importers - fixes to Documentation part - coding style fixes - pairing {map/unmap}_dmabuf in vb2-core - fixing variable types and semantic of arguments in videobufb2-dma-contig.c v3: - rebased on mainline 3.4-rc1 - split 'code refactor' patch to multiple smaller patches - squashed fixes to Sumit's patches - patchset is no longer dependant on 'DMA mapping redesign' - separated path for handling IO and non-IO mappings - add documentation for DMABUF importing to V4L - removed all DMABUF exporter related code - removed usage of dma_get_pages extension v2: - extended VIDIOC_EXPBUF argument from integer memoffset to struct v4l2_exportbuffer - added patch that breaks DMABUF spec on (un)map_atachment callcacks but allows to work with existing implementation of DMABUF prime in DRM - all dma-contig code refactoring patches were squashed - bugfixes v1: List of changes since [1]. - support for DMA api extension dma_get_pages, the function is used to retrieve pages used to create DMA mapping. - small fixes/code cleanup to videobuf2 - added prepare and finish callbacks to vb2 allocators, it is used keep consistency between dma-cpu acess to the memory (by Marek Szyprowski) - support for exporting of DMABUF buffer in V4L2 and Videobuf2, originated from [3]. - support for dma-buf exporting in vb2-dma-contig allocator - support for DMABUF for s5p-tv and s5p-fimc (capture interface) drivers, originated from [3] - changed handling for userptr buffers (by Marek Szyprowski, Andrzej Pietrasiewicz) - let mmap method to use dma_mmap_writecombine call (by Marek Szyprowski) [1] http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/42966/focus=42968 [2] https://lkml.org/lkml/2011/12/26/29 [3] http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/36354/focus=36355 [4] http://thread.gmane.org/gmane.linux.kernel.cross-arch/12819 [5] http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/47983 Laurent Pinchart (2): v4l: vb2-dma-contig: Shorten vb2_dma_contig prefix to vb2_dc v4l: vb2-dma-contig: Reorder functions Marek Szyprowski (2): v4l: vb2: add prepare/finish callbacks to allocators v4l: vb2-dma-contig: add prepare/finish to dma-contig allocator Sumit Semwal (4): v4l: Add DMABUF as a memory type v4l: vb2: add support for shared buffer (dma_buf) v4l: vb: remove warnings about MEMORY_DMABUF v4l: vb2-dma-contig: add support for dma_buf importing Tomasz Stanislawski (7): Documentation: media: description of DMABUF importing in V4L2 v4l: vb2-dma-contig: remove reference of alloc_ctx from a buffer v4l: vb2-dma-contig: add support for scatterlist in userptr mode v4l: vb2-vmalloc: add support for dmabuf importing v4l: vivi: support for dmabuf importing v4l: s5p-tv: mixer: support for dmabuf importing v4l: s5p-fimc: support for dmabuf importing Documentation/DocBook/media/v4l/compat.xml |4 + Documentation/DocBook/media/v4l/io.xml | 179 .../DocBook/media/v4l/vidioc-create-bufs.xml |3 +-
[PATCHv7 00/15] Integration of videobuf2 with dmabuf
Hi Tomasz, On Thursday 14 June 2012 15:37:34 Tomasz Stanislawski wrote: > Hello everyone, > This patchset adds support for DMABUF [2] importing to V4L2 stack. > The support for DMABUF exporting was moved to separate patchset > due to dependency on patches for DMA mapping redesign by > Marek Szyprowski [4]. This patchset depends on new scatterlist > constructor [5]. There are very few remaining issues with the patch set, I think the next iteration will be the right one. [snip] > [5] > http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/47983 What's the status of that patch ? Is it ready for v3.6 ? I'd like to see DMABUF import support in V4L2 in v3.6. -- Regards, Laurent Pinchart
Re: [PATCHv7 00/15] Integration of videobuf2 with dmabuf
Hi Tomasz, On Thursday 14 June 2012 15:37:34 Tomasz Stanislawski wrote: Hello everyone, This patchset adds support for DMABUF [2] importing to V4L2 stack. The support for DMABUF exporting was moved to separate patchset due to dependency on patches for DMA mapping redesign by Marek Szyprowski [4]. This patchset depends on new scatterlist constructor [5]. There are very few remaining issues with the patch set, I think the next iteration will be the right one. [snip] [5] http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/47983 What's the status of that patch ? Is it ready for v3.6 ? I'd like to see DMABUF import support in V4L2 in v3.6. -- Regards, Laurent Pinchart ___ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
[PATCHv7 00/15] Integration of videobuf2 with dmabuf
Hello everyone, This patchset adds support for DMABUF [2] importing to V4L2 stack. The support for DMABUF exporting was moved to separate patchset due to dependency on patches for DMA mapping redesign by Marek Szyprowski [4]. This patchset depends on new scatterlist constructor [5]. v7: - support for V4L2_MEMORY_DMABUF in v4l2-compact-ioctl32.c - cosmetic fixes to the documentation - added importing for vmalloc because vmap support in dmabuf for 3.5 was pull-requested - support for dmabuf importing for VIVI - resurrect allocation of dma-contig context - remove reference of alloc_ctx in dma-contig buffer - use sg_alloc_table_from_pages - fix DMA scatterlist calls to use orig_nents instead of nents - fix memleak in vb2_dc_sgt_foreach_page (use orig_nents instead of nents) v6: - fixed missing entry in v4l2_memory_names - fixed a bug occuring after get_user_pages failure - fixed a bug caused by using invalid vma for get_user_pages - prepare/finish no longer call dma_sync for dmabuf buffers v5: - removed change of importer/exporter behaviour - fixes vb2_dc_pages_to_sgt basing on Laurent's hints - changed pin/unpin words to lock/unlock in Doc v4: - rebased on mainline 3.4-rc2 - included missing importing support for s5p-fimc and s5p-tv - added patch for changing map/unmap for importers - fixes to Documentation part - coding style fixes - pairing {map/unmap}_dmabuf in vb2-core - fixing variable types and semantic of arguments in videobufb2-dma-contig.c v3: - rebased on mainline 3.4-rc1 - split 'code refactor' patch to multiple smaller patches - squashed fixes to Sumit's patches - patchset is no longer dependant on 'DMA mapping redesign' - separated path for handling IO and non-IO mappings - add documentation for DMABUF importing to V4L - removed all DMABUF exporter related code - removed usage of dma_get_pages extension v2: - extended VIDIOC_EXPBUF argument from integer memoffset to struct v4l2_exportbuffer - added patch that breaks DMABUF spec on (un)map_atachment callcacks but allows to work with existing implementation of DMABUF prime in DRM - all dma-contig code refactoring patches were squashed - bugfixes v1: List of changes since [1]. - support for DMA api extension dma_get_pages, the function is used to retrieve pages used to create DMA mapping. - small fixes/code cleanup to videobuf2 - added prepare and finish callbacks to vb2 allocators, it is used keep consistency between dma-cpu acess to the memory (by Marek Szyprowski) - support for exporting of DMABUF buffer in V4L2 and Videobuf2, originated from [3]. - support for dma-buf exporting in vb2-dma-contig allocator - support for DMABUF for s5p-tv and s5p-fimc (capture interface) drivers, originated from [3] - changed handling for userptr buffers (by Marek Szyprowski, Andrzej Pietrasiewicz) - let mmap method to use dma_mmap_writecombine call (by Marek Szyprowski) [1] http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/42966/focus=42968 [2] https://lkml.org/lkml/2011/12/26/29 [3] http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/36354/focus=36355 [4] http://thread.gmane.org/gmane.linux.kernel.cross-arch/12819 [5] http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/47983 Laurent Pinchart (2): v4l: vb2-dma-contig: Shorten vb2_dma_contig prefix to vb2_dc v4l: vb2-dma-contig: Reorder functions Marek Szyprowski (2): v4l: vb2: add prepare/finish callbacks to allocators v4l: vb2-dma-contig: add prepare/finish to dma-contig allocator Sumit Semwal (4): v4l: Add DMABUF as a memory type v4l: vb2: add support for shared buffer (dma_buf) v4l: vb: remove warnings about MEMORY_DMABUF v4l: vb2-dma-contig: add support for dma_buf importing Tomasz Stanislawski (7): Documentation: media: description of DMABUF importing in V4L2 v4l: vb2-dma-contig: remove reference of alloc_ctx from a buffer v4l: vb2-dma-contig: add support for scatterlist in userptr mode v4l: vb2-vmalloc: add support for dmabuf importing v4l: vivi: support for dmabuf importing v4l: s5p-tv: mixer: support for dmabuf importing v4l: s5p-fimc: support for dmabuf importing Documentation/DocBook/media/v4l/compat.xml |4 + Documentation/DocBook/media/v4l/io.xml | 179 .../DocBook/media/v4l/vidioc-create-bufs.xml |3 +- Documentation/DocBook/media/v4l/vidioc-qbuf.xml| 15 + Documentation/DocBook/media/v4l/vidioc-reqbufs.xml | 47 +- drivers/media/video/Kconfig|1 + drivers/media/video/s5p-fimc/Kconfig |1 + drivers/media/video/s5p-fimc/fimc-capture.c|2 +- drivers/media/video/s5p-tv/Kconfig |1 + drivers/media/video/s5p-tv/mixer_video.c |2 +- drivers/media/video/v4l2-compat-ioctl32.c | 16 + drivers/media/video/v4l2-ioctl.c |1 + drivers/media/video/videobuf-core.c|4 +
[PATCHv7 00/15] Integration of videobuf2 with dmabuf
Hello everyone, This patchset adds support for DMABUF [2] importing to V4L2 stack. The support for DMABUF exporting was moved to separate patchset due to dependency on patches for DMA mapping redesign by Marek Szyprowski [4]. This patchset depends on new scatterlist constructor [5]. v7: - support for V4L2_MEMORY_DMABUF in v4l2-compact-ioctl32.c - cosmetic fixes to the documentation - added importing for vmalloc because vmap support in dmabuf for 3.5 was pull-requested - support for dmabuf importing for VIVI - resurrect allocation of dma-contig context - remove reference of alloc_ctx in dma-contig buffer - use sg_alloc_table_from_pages - fix DMA scatterlist calls to use orig_nents instead of nents - fix memleak in vb2_dc_sgt_foreach_page (use orig_nents instead of nents) v6: - fixed missing entry in v4l2_memory_names - fixed a bug occuring after get_user_pages failure - fixed a bug caused by using invalid vma for get_user_pages - prepare/finish no longer call dma_sync for dmabuf buffers v5: - removed change of importer/exporter behaviour - fixes vb2_dc_pages_to_sgt basing on Laurent's hints - changed pin/unpin words to lock/unlock in Doc v4: - rebased on mainline 3.4-rc2 - included missing importing support for s5p-fimc and s5p-tv - added patch for changing map/unmap for importers - fixes to Documentation part - coding style fixes - pairing {map/unmap}_dmabuf in vb2-core - fixing variable types and semantic of arguments in videobufb2-dma-contig.c v3: - rebased on mainline 3.4-rc1 - split 'code refactor' patch to multiple smaller patches - squashed fixes to Sumit's patches - patchset is no longer dependant on 'DMA mapping redesign' - separated path for handling IO and non-IO mappings - add documentation for DMABUF importing to V4L - removed all DMABUF exporter related code - removed usage of dma_get_pages extension v2: - extended VIDIOC_EXPBUF argument from integer memoffset to struct v4l2_exportbuffer - added patch that breaks DMABUF spec on (un)map_atachment callcacks but allows to work with existing implementation of DMABUF prime in DRM - all dma-contig code refactoring patches were squashed - bugfixes v1: List of changes since [1]. - support for DMA api extension dma_get_pages, the function is used to retrieve pages used to create DMA mapping. - small fixes/code cleanup to videobuf2 - added prepare and finish callbacks to vb2 allocators, it is used keep consistency between dma-cpu acess to the memory (by Marek Szyprowski) - support for exporting of DMABUF buffer in V4L2 and Videobuf2, originated from [3]. - support for dma-buf exporting in vb2-dma-contig allocator - support for DMABUF for s5p-tv and s5p-fimc (capture interface) drivers, originated from [3] - changed handling for userptr buffers (by Marek Szyprowski, Andrzej Pietrasiewicz) - let mmap method to use dma_mmap_writecombine call (by Marek Szyprowski) [1] http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/42966/focus=42968 [2] https://lkml.org/lkml/2011/12/26/29 [3] http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/36354/focus=36355 [4] http://thread.gmane.org/gmane.linux.kernel.cross-arch/12819 [5] http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/47983 Laurent Pinchart (2): v4l: vb2-dma-contig: Shorten vb2_dma_contig prefix to vb2_dc v4l: vb2-dma-contig: Reorder functions Marek Szyprowski (2): v4l: vb2: add prepare/finish callbacks to allocators v4l: vb2-dma-contig: add prepare/finish to dma-contig allocator Sumit Semwal (4): v4l: Add DMABUF as a memory type v4l: vb2: add support for shared buffer (dma_buf) v4l: vb: remove warnings about MEMORY_DMABUF v4l: vb2-dma-contig: add support for dma_buf importing Tomasz Stanislawski (7): Documentation: media: description of DMABUF importing in V4L2 v4l: vb2-dma-contig: remove reference of alloc_ctx from a buffer v4l: vb2-dma-contig: add support for scatterlist in userptr mode v4l: vb2-vmalloc: add support for dmabuf importing v4l: vivi: support for dmabuf importing v4l: s5p-tv: mixer: support for dmabuf importing v4l: s5p-fimc: support for dmabuf importing Documentation/DocBook/media/v4l/compat.xml |4 + Documentation/DocBook/media/v4l/io.xml | 179 .../DocBook/media/v4l/vidioc-create-bufs.xml |3 +- Documentation/DocBook/media/v4l/vidioc-qbuf.xml| 15 + Documentation/DocBook/media/v4l/vidioc-reqbufs.xml | 47 +- drivers/media/video/Kconfig|1 + drivers/media/video/s5p-fimc/Kconfig |1 + drivers/media/video/s5p-fimc/fimc-capture.c|2 +- drivers/media/video/s5p-tv/Kconfig |1 + drivers/media/video/s5p-tv/mixer_video.c |2 +- drivers/media/video/v4l2-compat-ioctl32.c | 16 + drivers/media/video/v4l2-ioctl.c |1 + drivers/media/video/videobuf-core.c|4 +