linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Tomasz Figa <tfiga@chromium.org>,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>,
	Ricardo Ribalda <ribalda@chromium.org>,
	Christoph Hellwig <hch@lst.de>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	Sergey Senozhatsky <senozhatsky@chromium.org>
Subject: [PATCHv4 0/8] videobuf2: support new noncontiguous DMA API
Date: Tue, 27 Jul 2021 16:05:09 +0900	[thread overview]
Message-ID: <20210727070517.443167-1-senozhatsky@chromium.org> (raw)

Hello,

	The series adds support for noncontiguous DMA API and
V4L2_MEMORY_FLAG_NON_COHERENT UAPI.

v4:
-- addressed Dafna's feedback

V3: https://lore.kernel.org/lkml/20210709092027.1050834-1-senozhatsky@chromium.org

Sergey Senozhatsky (8):
  videobuf2: rework vb2_mem_ops API
  videobuf2: inverse buffer cache_hints flags
  videobuf2: split buffer cache_hints initialisation
  videobuf2: move cache_hints handling to allocators
  videobuf2: add V4L2_MEMORY_FLAG_NON_COHERENT flag
  videobuf2: add queue memory coherency parameter
  videobuf2: handle V4L2_MEMORY_FLAG_NON_COHERENT flag
  videobuf2: handle non-contiguous DMA allocations

 .../userspace-api/media/v4l/buffer.rst        |  40 +++-
 .../media/v4l/vidioc-create-bufs.rst          |   7 +-
 .../media/v4l/vidioc-reqbufs.rst              |  16 +-
 .../media/common/videobuf2/videobuf2-core.c   | 127 ++++++++-----
 .../common/videobuf2/videobuf2-dma-contig.c   | 176 ++++++++++++++----
 .../media/common/videobuf2/videobuf2-dma-sg.c |  39 ++--
 .../media/common/videobuf2/videobuf2-v4l2.c   |  59 +++---
 .../common/videobuf2/videobuf2-vmalloc.c      |  30 +--
 drivers/media/dvb-core/dvb_vb2.c              |   2 +-
 drivers/media/v4l2-core/v4l2-compat-ioctl32.c |   9 +-
 drivers/media/v4l2-core/v4l2-ioctl.c          |   4 +-
 include/media/videobuf2-core.h                |  59 +++---
 include/uapi/linux/videodev2.h                |  11 +-
 13 files changed, 399 insertions(+), 180 deletions(-)

-- 
2.32.0.432.gabb21c7263-goog


             reply	other threads:[~2021-07-27  7:05 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-27  7:05 Sergey Senozhatsky [this message]
2021-07-27  7:05 ` [PATCHv4 1/8] videobuf2: rework vb2_mem_ops API Sergey Senozhatsky
2021-08-03  8:08   ` Hans Verkuil
2021-08-17 10:41     ` Sergey Senozhatsky
2021-07-27  7:05 ` [PATCHv4 2/8] videobuf2: inverse buffer cache_hints flags Sergey Senozhatsky
2021-07-27  7:05 ` [PATCHv4 3/8] videobuf2: split buffer cache_hints initialisation Sergey Senozhatsky
2021-08-03  8:10   ` Hans Verkuil
2021-08-17 10:41     ` Sergey Senozhatsky
2021-07-27  7:05 ` [PATCHv4 4/8] videobuf2: move cache_hints handling to allocators Sergey Senozhatsky
2021-08-03  8:11   ` Hans Verkuil
2021-08-17 10:42     ` Sergey Senozhatsky
2021-07-27  7:05 ` [PATCHv4 5/8] videobuf2: add V4L2_MEMORY_FLAG_NON_COHERENT flag Sergey Senozhatsky
2021-08-03  8:12   ` Hans Verkuil
2021-08-17 10:42     ` Sergey Senozhatsky
2021-07-27  7:05 ` [PATCHv4 6/8] videobuf2: add queue memory coherency parameter Sergey Senozhatsky
2021-08-03  8:29   ` Hans Verkuil
2021-08-17 10:43     ` Sergey Senozhatsky
2021-07-27  7:05 ` [PATCHv4 7/8] videobuf2: handle V4L2_MEMORY_FLAG_NON_COHERENT flag Sergey Senozhatsky
2021-08-03  8:31   ` Hans Verkuil
2021-08-17 10:43     ` Sergey Senozhatsky
2021-07-27  7:05 ` [PATCHv4 8/8] videobuf2: handle non-contiguous DMA allocations Sergey Senozhatsky
2021-08-03  8:33   ` Hans Verkuil
2021-08-03  8:39     ` Hans Verkuil
2021-08-23 10:28       ` Sergey Senozhatsky
2021-08-23 10:27     ` Sergey Senozhatsky
2021-08-03 10:15   ` Hans Verkuil
2021-08-17 11:56     ` Sergey Senozhatsky
2021-08-18  9:20       ` Tomasz Figa
2021-08-23 10:29     ` Sergey Senozhatsky

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210727070517.443167-1-senozhatsky@chromium.org \
    --to=senozhatsky@chromium.org \
    --cc=dafna.hirschfeld@collabora.com \
    --cc=hch@lst.de \
    --cc=hverkuil-cisco@xs4all.nl \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=mchehab@kernel.org \
    --cc=ribalda@chromium.org \
    --cc=tfiga@chromium.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).