linux-stable.git/Documentation/userspace-api/media, branch v5.9

media: media/v4l2: remove V4L2_FLAG_MEMORY_NON_CONSISTENT flag

2020-09-14T13:28:06+00:00

The patch partially reverts some of the UAPI bits of the buffer
cache management hints. Namely, the queue consistency (memory
coherency) user-space hint because, as it turned out, the kernel
implementation of this feature was misusing DMA_ATTR_NON_CONSISTENT.

The patch reverts both kernel and user space parts: removes the
DMA consistency attr functions, rolls back changes to v4l2_requestbuffers,
v4l2_create_buffers structures and corresponding UAPI functions
(plus compat32 layer) and cleans up the documentation.

[hverkuil: fixed a few typos in the commit log]
[hverkuil: fixed vb2_core_reqbufs call in drivers/media/dvb-core/dvb_vb2.c]
[mchehab: fixed a typo in the commit log: revers->reverts]

Signed-off-by: Christoph Hellwig 
Signed-off-by: Sergey Senozhatsky 
Signed-off-by: Hans Verkuil 
Signed-off-by: Mauro Carvalho Chehab

Merge tag 'media/v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

2020-08-07T20:00:53+00:00

Pull media updates from Mauro Carvalho Chehab:

 - Legacy soc_camera driver was removed from staging

 - New I2C sensor related drivers: dw9768, ch7322, max9271, rdacm20

 - TI vpe driver code was re-organized and had new features added

 - Added Xilinx MIPI CSI-2 Rx Subsystem driver

 - Added support for Infrared Toy and IR Droid devices

 - Lots of random driver fixes, new features and cleanups

* tag 'media/v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (318 commits)
  media: camss: fix memory leaks on error handling paths in probe
  media: davinci: vpif_capture: fix potential double free
  media: radio: remove redundant assignment to variable retval
  media: allegro: fix potential null dereference on header
  media: mtk-mdp: Fix a refcounting bug on error in init
  media: allegro: fix an error pointer vs NULL check
  media: meye: fix missing pm_mchip_mode field
  media: cafe-driver: use generic power management
  media: saa7164: use generic power management
  media: v4l2-dev/ioctl: Fix document for VIDIOC_QUERYCAP
  media: v4l2: Correct kernel-doc inconsistency
  media: v4l2: Correct kernel-doc inconsistency
  media: dvbdev.h: keep * together with the type
  media: v4l2-subdev.h: keep * together with the type
  media: videobuf2: Print videobuf2 buffer state by name
  media: colorspaces-details.rst: fix V4L2_COLORSPACE_JPEG description
  media: tw68: use generic power management
  media: meye: use generic power management
  media: cx88: use generic power management
  media: cx25821: use generic power management
  ...

media: v4l2-dev/ioctl: Fix document for VIDIOC_QUERYCAP

2020-08-06T09:25:53+00:00

V4L2_CAP_VIDEO_M2M is documented as 0x00004000
V4L2_CAP_VIDEO_M2M_MPLANE is documented as 0x00008000
This is different from the definition in include/uapi/linux/videodev2.h

Signed-off-by: Jian-Jia Su 
Reviewed-by: Helen Koike 
Signed-off-by: Hans Verkuil 
Signed-off-by: Mauro Carvalho Chehab

media: colorspaces-details.rst: fix V4L2_COLORSPACE_JPEG description

2020-07-19T12:25:10+00:00

The description was missing V4L2_XFER_FUNC_SRGB in the description
of what V4L2_COLORSPACE_JPEG stands for.

Signed-off-by: Hans Verkuil 
Signed-off-by: Mauro Carvalho Chehab

Documentation: userspace-api/media: drop doubled words

2020-07-19T05:46:40+00:00

Drop duplicated words in Documentation/userspace-api/media/.
This addresses the words "struct" and "value".

Signed-off-by: Randy Dunlap 
Cc: Jonathan Corbet 
Signed-off-by: Hans Verkuil 
[hverkuil-cisco@xs4all.nl: dev-sdr.rst: there is two -> there are two]
Signed-off-by: Mauro Carvalho Chehab

media: docs: dev-decoder: Add one more reason for dynamic change

2020-07-04T10:42:39+00:00

Add bit-depth change as one more reason which could change in the
middle of the stream. For the worst case the stream is 8bit at the
beginning but later in the bit-stream it changes to 10bit. That
change should be propagated to the client so that it can take the
appropriate action. In that case it has to stop the streaming on
the capture queue, re-negotiate the pixel format, allocate new
buffers and start the streaming again.

Signed-off-by: Stanimir Varbanov 
Signed-off-by: Hans Verkuil 
Signed-off-by: Mauro Carvalho Chehab

media: cec-ioc-adap-g-caps.rst: document available_log_addrs

2020-06-23T13:10:51+00:00

The CEC_ADAP_G_CAPS documentation of the cec_caps struct was missing
the available_log_addrs field. Add this.

Signed-off-by: Hans Verkuil 
Signed-off-by: Mauro Carvalho Chehab

media: dev-encoder.rst: add GFDL-1-1+ to SPDX header

2020-06-23T13:05:10+00:00

The media documents under the uAPI should be GFDL compatible.

So, make this one dual-licensed GPL-2.0 or GFDL-1.1+ with
no-invariant sections.

Signed-off-by: Tomasz Figa 
Signed-off-by: Hans Verkuil 
Signed-off-by: Mauro Carvalho Chehab

media: dev-encoder.rst: add reference to V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL

2020-06-23T12:02:46+00:00

Setting the stateful encoder capture frame interval is only supported
if this flag is set. Document this.

Signed-off-by: Hans Verkuil 
Reviewed-by: Michael Tretter 
Acked-by: Tomasz Figa 
Signed-off-by: Mauro Carvalho Chehab

media: videodev2.h: add V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL flag

2020-06-23T12:02:46+00:00

Add the V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL flag to signal that
the coded frame interval can be set separately from the raw frame
interval for stateful encoders.

Signed-off-by: Hans Verkuil 
Reviewed-by: Michael Tretter 
Acked-by: Tomasz Figa 
Signed-off-by: Mauro Carvalho Chehab