[GIT PULL FOR v3.19] vb2: improvements

* [GIT PULL FOR v3.19] vb2: improvements
@ 2014-11-23 11:24 Hans Verkuil
  0 siblings, 0 replies; 2+ messages in thread
From: Hans Verkuil @ 2014-11-23 11:24 UTC (permalink / raw)
  To: Linux Media Mailing List

- Add allocation context to dma-sg and have vb2 do the dma mapping instead of
  the driver. This makes it consistent with the way dma-contig behaves and
  simplifies drivers.
- Add support for DMABUF import to dma-sg.
- Add support for DMABUF export to dma-sg and dma-vmalloc.
- Clarify (and fix) when buffers can safely be written to by the cpu.

After this patch series DMABUF is available for all v4l2_memory variants.

Regards,

	Hans

The following changes since commit 5937a784c3e5fe8fd1e201f42a2b1ece6c36a6c0:

  [media] staging: media: bcm2048: fix coding style error (2014-11-21 16:50:37 -0200)

are available in the git repository at:

  git://linuxtv.org/hverkuil/media_tree.git vb2

for you to fetch changes up to 4ca2ff8bfe1594c1b3aa68a005429ed4d49714e3:

  vb2: use dma_map_sg_attrs to prevent unnecessary sync (2014-11-23 12:13:06 +0100)

----------------------------------------------------------------
Hans Verkuil (12):
      videobuf2-core.h: improve documentation
      vb2: replace 'write' by 'dma_dir'
      vb2: add dma_dir to the alloc memop.
      vb2: don't free alloc context if it is ERR_PTR
      vb2-dma-sg: add allocation context to dma-sg
      vb2-dma-sg: move dma_(un)map_sg here
      vb2-dma-sg: add dmabuf import support
      vb2-dma-sg: add support for dmabuf exports
      vb2-vmalloc: add support for dmabuf exports
      vivid: enable vb2_expbuf support.
      vim2m: support expbuf
      vb2: use dma_map_sg_attrs to prevent unnecessary sync

 drivers/media/pci/cx23885/cx23885-417.c         |   4 +-
 drivers/media/pci/cx23885/cx23885-core.c        |  15 +--
 drivers/media/pci/cx23885/cx23885-dvb.c         |   4 +-
 drivers/media/pci/cx23885/cx23885-vbi.c         |  10 +-
 drivers/media/pci/cx23885/cx23885-video.c       |  10 +-
 drivers/media/pci/cx23885/cx23885.h             |   1 +
 drivers/media/pci/saa7134/saa7134-core.c        |  18 +++-
 drivers/media/pci/saa7134/saa7134-empress.c     |   1 -
 drivers/media/pci/saa7134/saa7134-ts.c          |  17 +---
 drivers/media/pci/saa7134/saa7134-vbi.c         |  16 +--
 drivers/media/pci/saa7134/saa7134-video.c       |  16 +--
 drivers/media/pci/saa7134/saa7134.h             |   2 +-
 drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c  |  60 ++++++-----
 drivers/media/pci/solo6x10/solo6x10.h           |   1 +
 drivers/media/pci/tw68/tw68-core.c              |  15 ++-
 drivers/media/pci/tw68/tw68-video.c             |   9 +-
 drivers/media/pci/tw68/tw68.h                   |   1 +
 drivers/media/platform/marvell-ccic/mcam-core.c |  31 +++---
 drivers/media/platform/marvell-ccic/mcam-core.h |   1 +
 drivers/media/platform/vim2m.c                  |   1 +
 drivers/media/platform/vivid/vivid-core.c       |   2 +-
 drivers/media/v4l2-core/videobuf2-core.c        |  14 ++-
 drivers/media/v4l2-core/videobuf2-dma-contig.c  |  71 ++++++++-----
 drivers/media/v4l2-core/videobuf2-dma-sg.c      | 423 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 drivers/media/v4l2-core/videobuf2-vmalloc.c     | 191 ++++++++++++++++++++++++++++++++--
 include/media/videobuf2-core.h                  |  42 ++++----
 include/media/videobuf2-dma-sg.h                |   3 +
 27 files changed, 764 insertions(+), 215 deletions(-)

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