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Message-Id: <20210727070517.443167-1-senozhatsky@chromium.org>
Date: Tue, 27 Jul 2021 16:05:09 +0900
From: Sergey Senozhatsky <senozhatsky@...omium.org>
To: Tomasz Figa <tfiga@...omium.org>,
Hans Verkuil <hverkuil-cisco@...all.nl>
Cc: Dafna Hirschfeld <dafna.hirschfeld@...labora.com>,
Ricardo Ribalda <ribalda@...omium.org>,
Christoph Hellwig <hch@....de>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
Sergey Senozhatsky <senozhatsky@...omium.org>
Subject: [PATCHv4 0/8] videobuf2: support new noncontiguous DMA API
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
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