| From: |
| Sergey Senozhatsky <senozhatsky-AT-chromium.org> |
| To: |
| Tomasz Figa <tfiga-AT-chromium.org>, Hans Verkuil <hverkuil-cisco-AT-xs4all.nl> |
| Subject: |
| [PATCHv6 0/8] videobuf2: support new noncontiguous DMA API |
| Date: |
| Thu, 09 Sep 2021 20:24:22 +0900 |
| Message-ID: |
| <20210909112430.61243-1-senozhatsky@chromium.org> |
| Cc: |
| Marek Szyprowski <m.szyprowski-AT-samsung.com>, Dafna Hirschfeld <dafna.hirschfeld-AT-collabora.com>, Ricardo Ribalda <ribalda-AT-chromium.org>, Christoph Hellwig <hch-AT-lst.de>, Mauro Carvalho Chehab <mchehab-AT-kernel.org>, linux-media-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, Sergey Senozhatsky <senozhatsky-AT-chromium.org> |
| Archive-link: |
| Article |
Hello,
The series adds support for noncontiguous DMA API and
V4L2_MEMORY_FLAG_NON_COHERENT UAPI.
v5:
https://lore.kernel.org/lkml/20210823122235.116189-1-seno...
-- addressed feedback (Tomasz)
-- reworked prepare/finish functions (Tomasz)
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 | 126 +++++++----
.../common/videobuf2/videobuf2-dma-contig.c | 195 ++++++++++++++----
.../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, 411 insertions(+), 186 deletions(-)
--
2.33.0.153.gba50c8fa24-goog
