Linux-Media Archive on lore.kernel.org
 help / color / Atom feed
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
	linux-media@vger.kernel.org,
	Jacopo Mondi <jacopo+renesas@jmondi.org>,
	niklas.soderlund+renesas@ragnatech.se,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>
Subject: Re: [PATCH v5 15/24] v4l: Add bus type to frame descriptors
Date: Thu, 29 Apr 2021 17:09:26 +0300
Message-ID: <YIq+FlDs7T+5FjCN@pendragon.ideasonboard.com> (raw)
In-Reply-To: <20210429115811.GV3@paasikivi.fi.intel.com>

Hi Sakari,

On Thu, Apr 29, 2021 at 02:58:11PM +0300, Sakari Ailus wrote:
> On Thu, Apr 22, 2021 at 03:30:55PM +0300, Tomi Valkeinen wrote:
> > On 20/04/2021 14:50, Sakari Ailus wrote:
> > > On Sun, Apr 18, 2021 at 10:23:35PM +0300, Laurent Pinchart wrote:
> > > > On Thu, Apr 15, 2021 at 04:04:41PM +0300, Tomi Valkeinen wrote:
> > > > > From: Sakari Ailus <sakari.ailus@linux.intel.com>
> > > > > 
> > > > > Add the media bus type to the frame descriptor. CSI-2 specific
> > > > > information will be added in next patch to the frame descriptor.
> > > > 
> > > > I'd squash the next patch with this one.
> > > > 
> > > > > Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> > > > > Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
> > > > > 
> > > > > - Make the bus type a named enum
> > > > > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
> > > > > ---
> > > > >   include/media/v4l2-subdev.h | 9 +++++++++
> > > > >   1 file changed, 9 insertions(+)
> > > > > 
> > > > > diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
> > > > > index d0e9a5bdb08b..85977abbea46 100644
> > > > > --- a/include/media/v4l2-subdev.h
> > > > > +++ b/include/media/v4l2-subdev.h
> > > > > @@ -340,12 +340,21 @@ struct v4l2_mbus_frame_desc_entry {
> > > > >   #define V4L2_FRAME_DESC_ENTRY_MAX	4
> > > > > +enum v4l2_mbus_frame_desc_type {
> > > > > +	V4L2_MBUS_FRAME_DESC_TYPE_PLATFORM,
> > > > > +	V4L2_MBUS_FRAME_DESC_TYPE_PARALLEL,
> > > > > +	V4L2_MBUS_FRAME_DESC_TYPE_CCP2,
> > > > > +	V4L2_MBUS_FRAME_DESC_TYPE_CSI2,
> > > > > +};
> > > > 
> > > > This should be documented. In particular, I have no idea what
> > > > V4L2_MBUS_FRAME_DESC_TYPE_PLATFORM is. I also wonder if we shouldn't
> > > > drop CCP2 (at least for now), does anyone use that anymore ?
> > > 
> > > I guess we don't need one here, not now at least.
> > > 
> > > I agree on the documentation.
> > 
> > As it's the first one in the list, I think it really means "undefined", so
> > that current users have a value there (I presume they initialize the struct
> > to 0). Sakari?
> 
> I guess you could drop PLATFORM if there's no need for it now. In practice
> PARALLEL is probably a good choice.

Works for me too.

-- 
Regards,

Laurent Pinchart

  reply index

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-15 13:04 [PATCH v5 00/24] v4l: subdev internal routing Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 01/24] media: entity: Use pad as a starting point for graph walk Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 02/24] media: entity: Use pads instead of entities in the media graph walk stack Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 03/24] media: entity: Walk the graph based on pads Tomi Valkeinen
2021-04-18 17:47   ` Laurent Pinchart
2021-04-20 11:30     ` Sakari Ailus
2021-04-15 13:04 ` [PATCH v5 04/24] v4l: mc: Start walk from a specific pad in use count calculation Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 05/24] media: entity: Add iterator helper for entity pads Tomi Valkeinen
2021-04-18 17:52   ` Laurent Pinchart
2021-04-22 12:04     ` Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 06/24] media: entity: Move the pipeline from entity to pads Tomi Valkeinen
2021-04-18 18:00   ` Laurent Pinchart
2021-04-20 11:38     ` Sakari Ailus
2021-04-15 13:04 ` [PATCH v5 07/24] media: entity: Use pad as the starting point for a pipeline Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 08/24] media: entity: Add has_route entity operation Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 09/24] media: entity: Add media_entity_has_route() function Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 10/24] media: entity: Use routing information during graph traversal Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 11/24] media: entity: Skip link validation for pads to which there is no route to Tomi Valkeinen
2021-04-18 18:06   ` Laurent Pinchart
2021-04-20 11:41     ` Sakari Ailus
2021-04-23 12:37       ` Tomi Valkeinen
2021-04-29 12:06         ` Sakari Ailus
2021-04-29 14:10           ` Laurent Pinchart
2021-04-15 13:04 ` [PATCH v5 12/24] media: entity: Add an iterator helper for connected pads Tomi Valkeinen
2021-04-18 18:20   ` Laurent Pinchart
2021-04-20 11:48     ` Sakari Ailus
2021-04-29  1:33       ` Laurent Pinchart
2021-04-29 11:56         ` Sakari Ailus
2021-04-29 12:04           ` Tomi Valkeinen
2021-04-29 12:07             ` Sakari Ailus
2021-04-29 12:14               ` Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 13/24] media: entity: Add only connected pads to the pipeline Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 14/24] media: entity: Add debug information in graph walk route check Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 15/24] v4l: Add bus type to frame descriptors Tomi Valkeinen
2021-04-18 19:23   ` Laurent Pinchart
2021-04-20 11:50     ` Sakari Ailus
2021-04-22 12:30       ` Tomi Valkeinen
2021-04-29 11:58         ` Sakari Ailus
2021-04-29 14:09           ` Laurent Pinchart [this message]
2021-04-15 13:04 ` [PATCH v5 16/24] v4l: Add CSI-2 bus configuration " Tomi Valkeinen
2021-04-18 19:24   ` Laurent Pinchart
2021-04-20 16:32     ` Sakari Ailus
2021-04-15 13:04 ` [PATCH v5 17/24] v4l: Add stream to frame descriptor Tomi Valkeinen
2021-04-18 19:27   ` Laurent Pinchart
2021-04-22 12:47     ` Tomi Valkeinen
2021-04-22 16:18       ` Laurent Pinchart
2021-04-15 13:04 ` [PATCH v5 18/24] v4l: subdev: Add [GS]_ROUTING subdev ioctls and operations Tomi Valkeinen
2021-04-18 18:32   ` Laurent Pinchart
2021-04-22 11:16     ` Tomi Valkeinen
2021-04-22 16:20       ` Laurent Pinchart
2021-04-22 16:58         ` Tomi Valkeinen
2021-04-20 16:35   ` Sakari Ailus
2021-04-15 13:04 ` [PATCH v5 19/24] media: Documentation: Add GS_ROUTING documentation Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 20/24] v4l: mc: Add an S_ROUTING helper function for power state changes Tomi Valkeinen
2021-04-18 18:55   ` Laurent Pinchart
2021-04-20 16:41     ` Sakari Ailus
2021-04-15 13:04 ` [PATCH v5 21/24] v4l: subdev: routing kernel helper functions Tomi Valkeinen
2021-04-18 19:18   ` Laurent Pinchart
2021-04-15 13:04 ` [PATCH v5 22/24] v4l: subdev: add v4l2_subdev_get_format_dir() Tomi Valkeinen
2021-04-18 19:04   ` Laurent Pinchart
2021-04-21 13:04     ` Tomi Valkeinen
2021-04-29  1:43       ` Laurent Pinchart
2021-05-04  6:49         ` Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 23/24] v4l: subdev: Take routing information into account in link validation Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 24/24] v4l: subdev: increase V4L2_FRAME_DESC_ENTRY_MAX to 8 Tomi Valkeinen
2021-04-18 19:06   ` Laurent Pinchart
2021-04-16  8:38 ` [PATCH v5 00/24] v4l: subdev internal routing Niklas Söderlund
2021-04-16  8:47   ` Tomi Valkeinen
2021-04-16  8:56     ` Niklas Söderlund
2021-04-18 17:32 ` Laurent Pinchart
2021-04-21 12:57   ` Tomi Valkeinen
2021-04-29  1:27     ` Laurent Pinchart

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=YIq+FlDs7T+5FjCN@pendragon.ideasonboard.com \
    --to=laurent.pinchart@ideasonboard.com \
    --cc=hverkuil-cisco@xs4all.nl \
    --cc=jacopo+renesas@jmondi.org \
    --cc=linux-media@vger.kernel.org \
    --cc=mchehab@kernel.org \
    --cc=niklas.soderlund+renesas@ragnatech.se \
    --cc=sakari.ailus@linux.intel.com \
    --cc=tomi.valkeinen@ideasonboard.com \
    /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

Linux-Media Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-media/0 linux-media/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-media linux-media/ https://lore.kernel.org/linux-media \
		linux-media@vger.kernel.org
	public-inbox-index linux-media

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-media


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git