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Re: [PATCH v7 15/34] add mux and video interface bridge entity functions

From Philipp Zabel <p.zabel@pengutronix.de>
Newsgroups linux.kernel
Subject Re: [PATCH v7 15/34] add mux and video interface bridge entity functions
Date 2017-05-29 16:00 +0200
Message-ID <tMtnb-ED-3@gated-at.bofh.it> (permalink)
References <tKOYN-Xd-3@gated-at.bofh.it> <tKOYP-Xd-55@gated-at.bofh.it> <tMt3Q-vP-17@gated-at.bofh.it>
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On Mon, 2017-05-29 at 15:37 +0200, Hans Verkuil wrote:
> On 05/25/2017 02:29 AM, Steve Longerbeam wrote:
> > From: Philipp Zabel <p.zabel@pengutronix.de>
> > 
> > Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
> > 
> > - renamed MEDIA_ENT_F_MUX to MEDIA_ENT_F_VID_MUX
> > 
> > Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
> > ---
> >   Documentation/media/uapi/mediactl/media-types.rst | 22 ++++++++++++++++++++++
> >   include/uapi/linux/media.h                        |  6 ++++++
> >   2 files changed, 28 insertions(+)
> > 
> > diff --git a/Documentation/media/uapi/mediactl/media-types.rst b/Documentation/media/uapi/mediactl/media-types.rst
> > index 2a5164a..47ee003 100644
> > --- a/Documentation/media/uapi/mediactl/media-types.rst
> > +++ b/Documentation/media/uapi/mediactl/media-types.rst
> > @@ -299,6 +299,28 @@ Types and flags used to represent the media graph elements
> >   	  received on its sink pad and outputs the statistics data on
> >   	  its source pad.
> >   
> > +    -  ..  row 29
> > +
> > +       ..  _MEDIA-ENT-F-VID-MUX:
> > +
> > +       -  ``MEDIA_ENT_F_VID_MUX``
> > +
> > +       - Video multiplexer. An entity capable of multiplexing must have at
> > +         least two sink pads and one source pad, and must pass the video
> > +         frame(s) received from the active sink pad to the source pad. Video
> > +         frame(s) from the inactive sink pads are discarded.
> > +
> > +    -  ..  row 30
> > +
> > +       ..  _MEDIA-ENT-F-VID-IF-BRIDGE:
> > +
> > +       -  ``MEDIA_ENT_F_VID_IF_BRIDGE``
> > +
> > +       - Video interface bridge. A video interface bridge entity must have at
> > +         least one sink pad and one source pad. It receives video frame(s) on
> > +         its sink pad in one bus format (HDMI, eDP, MIPI CSI-2, ...) and
> > +         converts them and outputs them on its source pad in another bus format
> > +         (eDP, MIPI CSI-2, parallel, ...).
> 
> I'm unhappy with the term 'bus format'. It's too close to 'mediabus format'.
> How about calling it "bus protocol"?

How about:

   "It receives video frames on its sink pad from an input video bus
    of one type (HDMI, eDP, MIPI CSI-2, ...), and outputs them on its
    source pad to an output video bus of another type (eDP, MIPI
    CSI-2, parallel, ...)."

regards
Philipp

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[PATCH v7 00/34] i.MX Media Driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 05/34] ARM: dts: imx6qdl: Add compatible, clocks, irqs to MIPI CSI-2 node Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 21/34] media: imx: Add Capture Device Interface Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 25/34] media: imx: Add MIPI CSI-2 Receiver subdev driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 13/34] ARM: dts: imx6-sabreauto: add pinctrl for gpt input capture Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 31/34] media: imx: csi: add frame size/interval enumeration Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 14/34] ARM: dts: imx6-sabreauto: add the ADV7180 video decoder Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 27/34] media: imx: csi: add support for bayer formats Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 08/34] ARM: dts: imx6qdl-sabrelite: remove erratum ERR006687 workaround Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 28/34] media: imx: csi: increase burst size for YUV formats Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 30/34] media: imx: csi: add sink selection rectangles Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 09/34] ARM: dts: imx6-sabrelite: add OV5642 and OV5640 camera sensors Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 19/34] media: Add userspace header file for i.MX Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 12/34] ARM: dts: imx6-sabreauto: add reset-gpios property for max7310_b Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 06/34] ARM: dts: imx6qdl: Add video multiplexers, mipi_csi, and their connections Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 15/34] add mux and video interface bridge entity functions Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
    Re: [PATCH v7 15/34] add mux and video interface bridge entity  functions Hans Verkuil <hverkuil@xs4all.nl> - 2017-05-29 15:40 +0200
      Re: [PATCH v7 15/34] add mux and video interface bridge entity  functions Hans Verkuil <hverkuil@xs4all.nl> - 2017-05-29 16:00 +0200
      Re: [PATCH v7 15/34] add mux and video interface bridge entity  functions Philipp Zabel <p.zabel@pengutronix.de> - 2017-05-29 16:00 +0200
  [PATCH v7 29/34] media: imx: csi: add frame skipping support Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 04/34] ARM: dts: imx6qdl: add multiplexer controls Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 26/34] ARM: imx_v6_v7_defconfig: Enable staging video4linux drivers Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 01/34] dt-bindings: Add bindings for video-multiplexer device Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 23/34] media: imx: Add VDIC subdev driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 18/34] platform: video-mux: include temporary mmio-mux support Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
    Re: [PATCH v7 18/34] platform: video-mux: include temporary mmio-mux  support kbuild test robot <lkp@intel.com> - 2017-05-25 10:00 +0200
    [PATCH] platform: video-mux: fix ptr_ret.cocci warnings kbuild test robot <lkp@intel.com> - 2017-05-25 10:00 +0200
  [PATCH v7 17/34] platform: add video-multiplexer subdevice driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 34/34] media: imx: Drop warning upon multiple S_STREAM disable calls Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:40 +0200
  [PATCH v7 02/34] [media] dt-bindings: Add bindings for i.MX media driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:50 +0200
  [PATCH v7 10/34] ARM: dts: imx6-sabresd: add OV5642 and OV5640 camera sensors Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-25 02:50 +0200
  Re: [PATCH v7 00/34] i.MX Media Driver Hans Verkuil <hverkuil@xs4all.nl> - 2017-05-29 15:50 +0200
    Re: [PATCH v7 00/34] i.MX Media Driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-05-29 16:20 +0200
      Re: [PATCH v7 00/34] i.MX Media Driver Hans Verkuil <hverkuil@xs4all.nl> - 2017-05-29 16:30 +0200
        Re: [PATCH v7 00/34] i.MX Media Driver Hans Verkuil <hverkuil@xs4all.nl> - 2017-05-29 17:30 +0200
    Re: [PATCH v7 00/34] i.MX Media Driver Sakari Ailus <sakari.ailus@iki.fi> - 2017-05-29 17:40 +0200
      Re: [PATCH v7 00/34] i.MX Media Driver Hans Verkuil <hverkuil@xs4all.nl> - 2017-05-29 18:30 +0200
      Re: [PATCH v7 00/34] i.MX Media Driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-29 20:20 +0200
        Re: [PATCH v7 00/34] i.MX Media Driver Pavel Machek <pavel@ucw.cz> - 2017-05-31 22:20 +0200
    Re: [PATCH v7 00/34] i.MX Media Driver Hans Verkuil <hverkuil@xs4all.nl> - 2017-05-29 19:30 +0200
    Re: [PATCH v7 00/34] i.MX Media Driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-29 19:30 +0200
  Re: [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-05-30 00:00 +0200
    Re: [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Sakari Ailus <sakari.ailus@iki.fi> - 2017-05-30 09:00 +0200
      Re: [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-06-03 20:10 +0200
        Re: [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-06-04 20:10 +0200
          Re: [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Sakari Ailus <sakari.ailus@iki.fi> - 2017-06-07 14:40 +0200
  Re: [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Pavel Machek <pavel@ucw.cz> - 2017-05-31 22:00 +0200
    Re: [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Sakari Ailus <sakari.ailus@iki.fi> - 2017-06-01 10:30 +0200
      exposure vs. exposure_absolute was Re: [PATCH v7 16/34] [media] add  Omnivision OV5640 sensor driver Pavel Machek <pavel@ucw.cz> - 2017-06-01 10:50 +0200
      Re: [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-06-03 21:40 +0200
        Re: [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Pavel Machek <pavel@ucw.cz> - 2017-06-03 22:00 +0200
          Re: [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Sakari Ailus <sakari.ailus@iki.fi> - 2017-06-04 00:00 +0200
            Re: [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Pavel Machek <pavel@ucw.cz> - 2017-06-04 00:20 +0200
            Re: [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-06-04 06:50 +0200
              Re: [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Sakari Ailus <sakari.ailus@iki.fi> - 2017-06-07 14:40 +0200
  Re: [PATCH v7 00/34] i.MX Media Driver Tim Harvey <tharvey@gateworks.com> - 2017-06-02 02:30 +0200
    Re: [PATCH v7 00/34] i.MX Media Driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-06-02 02:50 +0200

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