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From: Sakari Ailus <sakari.ailus@iki.fi>
To: Philipp Zabel <p.zabel@pengutronix.de>
Cc: linux-media@vger.kernel.org,
	Steve Longerbeam <steve_longerbeam@mentor.com>,
	Marek Vasut <marex@denx.de>, Hans Verkuil <hverkuil@xs4all.nl>,
	Gary Bisson <gary.bisson@boundarydevices.com>,
	kernel@pengutronix.de
Subject: Re: [PATCH v2 00/21] Basic i.MX IPUv3 capture support
Date: Thu, 20 Oct 2016 00:30:27 +0300	[thread overview]
Message-ID: <20161019213026.GU9460@valkosipuli.retiisi.org.uk> (raw)
In-Reply-To: <1476466481-24030-1-git-send-email-p.zabel@pengutronix.de>

On Fri, Oct 14, 2016 at 07:34:20PM +0200, Philipp Zabel wrote:
> Hi,
> 
> the second round removes the prepare_stream callback and instead lets the
> intermediate subdevices propagate s_stream calls to their sources rather
> than individually calling s_stream on each subdevice from the bridge driver.
> This is similar to how drm bridges recursively call into their next neighbor.
> It makes it easier to do bringup ordering on a per-link level, as long as the
> source preparation can be done at s_power, and the sink can just prepare, call
> s_stream on its source, and then enable itself inside s_stream. Obviously this
> would only work in a generic fashion if all asynchronous subdevices with both
> inputs and outputs would propagate s_stream to their source subdevices.

Hi Philipp,

I'll review the async patches tomorrow / the day after. I have not forgotten
them. :-)

-- 
Kind regards,

Sakari Ailus
e-mail: sakari.ailus@iki.fi	XMPP: sailus@retiisi.org.uk

  parent reply	other threads:[~2016-10-19 21:31 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-14 17:34 [PATCH v2 00/21] Basic i.MX IPUv3 capture support Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 01/21] [media] v4l2-async: move code out of v4l2_async_notifier_register into v4l2_async_test_nofity_all Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 02/21] [media] v4l2-async: allow subdevices to add further subdevices to the notifier waiting list Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 03/21] [media] v4l: of: add v4l2_of_subdev_registered Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 04/21] [media] v4l2-async: add new subdevices to the tail of subdev_list Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 05/21] [media] imx: Add i.MX SoC wide media device driver Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 06/21] [media] imx: Add IPUv3 media common code Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 07/21] [media] imx-ipu: Add i.MX IPUv3 CSI subdevice driver Philipp Zabel
2016-11-08  7:18   ` Ying Liu
2016-10-14 17:34 ` [PATCH v2 08/21] [media] imx: Add i.MX IPUv3 capture driver Philipp Zabel
2016-10-17 11:32   ` Jack Mitchell
2016-10-17 11:35     ` Marek Vasut
2016-10-17 11:40       ` Jack Mitchell
2016-10-17 12:12     ` Philipp Zabel
2016-10-19 16:22       ` Jack Mitchell
2016-10-19 19:25         ` Marek Vasut
2016-10-26 11:29           ` Jack Mitchell
2016-11-08  7:21   ` Ying Liu
2016-10-14 17:34 ` [PATCH v2 09/21] [media] platform: add video-multiplexer subdevice driver Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 10/21] [media] imx: Add i.MX MIPI CSI-2 " Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 11/21] [media] tc358743: put lanes in STOP state before starting streaming Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 12/21] ARM: dts: imx6qdl: Add capture-subsystem node Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 13/21] ARM: dts: imx6qdl: Add mipi_ipu1/2 multiplexers, mipi_csi, and their connections Philipp Zabel
2016-11-08  8:23   ` Ying Liu
2016-10-14 17:34 ` [PATCH v2 14/21] ARM: dts: imx6qdl: Add MIPI CSI-2 D-PHY compatible and clocks Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 15/21] ARM: dts: nitrogen6x: Add dtsi for BD_HDMI_MIPI HDMI to MIPI CSI-2 receiver board Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 16/21] gpu: ipuv3: add ipu_csi_set_downsize Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 17/21] [media] imx-ipuv3-csi: support downsizing Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 18/21] [media] add mux and video interface bridge entity functions Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 19/21] [media] video-multiplexer: set entity function to mux Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 20/21] [media] imx: Set i.MX MIPI CSI-2 entity function to bridge Philipp Zabel
2016-10-14 17:34 ` [PATCH v2 21/21] [media] tc358743: set entity function to video interface bridge Philipp Zabel
2016-10-17 10:18 ` [PATCH v2 00/21] Basic i.MX IPUv3 capture support Gary Bisson
2016-10-17 12:41   ` Philipp Zabel
2016-10-19 21:30 ` Sakari Ailus [this message]
     [not found]   ` <CAH-u=807nRYzza0kTfOMv1AiWazk6FGJyz6W5_bYw7v9nOrccA@mail.gmail.com>
2016-12-29 15:10     ` Jean-Michel Hautbois
2016-12-29 20:51     ` Robert Schwebel
2016-12-30 19:06       ` Marek Vasut
2016-12-30 20:26         ` Steve Longerbeam
2017-01-02 13:51           ` Jean-Michel Hautbois
2017-01-02 14:45             ` Hans Verkuil
2017-01-02 14:59               ` Jean-Michel Hautbois
2017-01-02 19:19                 ` Fabio Estevam
2017-01-02 19:20                 ` Steve Longerbeam
2017-01-02 17:04               ` Fabio Estevam
2017-01-02 19:17               ` Steve Longerbeam
2017-01-09 19:43           ` Philipp Zabel
2017-01-10  0:15             ` Steve Longerbeam
2017-01-10 23:52               ` Steve Longerbeam
2017-01-11  9:12                 ` Jean-Michel Hautbois
2017-01-11 12:10                 ` Philipp Zabel
2017-01-12 23:22                   ` Steve Longerbeam
2017-01-12 23:43                     ` Steve Longerbeam
2017-01-13  2:22                       ` Steve Longerbeam
2017-01-13 11:18                         ` Philipp Zabel
2017-01-13 11:04                     ` Philipp Zabel
2017-01-13 11:05                     ` Philipp Zabel
2017-01-14 20:26                       ` Steve Longerbeam
2017-01-16 11:49                         ` Philipp Zabel
2017-01-11 12:11               ` Philipp Zabel
2017-01-24 18:11             ` Philipp Zabel

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