From: Philipp Zabel <p.zabel@pengutronix.de>
To: Marek Vasut <marex@denx.de>
Cc: linux-media@vger.kernel.org,
Steve Longerbeam <steve_longerbeam@mentor.com>,
Hans Verkuil <hverkuil@xs4all.nl>,
kernel@pengutronix.de
Subject: Re: [PATCH 12/22] [media] tc358743: put lanes in STOP state before starting streaming
Date: Fri, 14 Oct 2016 17:49:05 +0200 [thread overview]
Message-ID: <1476460145.11834.47.camel@pengutronix.de> (raw)
In-Reply-To: <70746e61-ac7d-a773-35a2-8296d0119efb@denx.de>
Am Freitag, den 07.10.2016, 21:02 +0200 schrieb Marek Vasut:
> On 10/07/2016 06:00 PM, Philipp Zabel wrote:
> > Without calling tc358743_set_csi from the new prepare_stream callback
> > (or calling tc358743_s_dv_timings or tc358743_set_fmt from userspace
> > after stopping the stream), the i.MX6 MIPI CSI2 input fails waiting
> > for lanes to enter STOP state when streaming is started again.
>
> What is the impact of that failure ? How does it manifest itself ?
The i.MX MIPI CSI-2 driver fails waiting for the lanes to enter stop
state. If the error is ignored, stream startup is not reliable.
I'll handle this a bit differently in the next version.
regards
Philipp
next prev parent reply other threads:[~2016-10-14 15:49 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-07 16:00 [PATCH 00/22] Basic i.MX IPUv3 capture support Philipp Zabel
2016-10-07 16:00 ` [PATCH 01/22] [media] v4l2-async: move code out of v4l2_async_notifier_register into v4l2_async_test_nofity_all Philipp Zabel
2016-10-07 16:30 ` Marek Vasut
2016-10-07 16:53 ` Philipp Zabel
2016-10-07 16:00 ` [PATCH 02/22] [media] v4l2-async: allow subdevices to add further subdevices to the notifier waiting list Philipp Zabel
2016-10-07 21:52 ` Sakari Ailus
2016-10-12 13:26 ` Philipp Zabel
2016-10-13 11:56 ` Sakari Ailus
2016-10-14 15:47 ` Philipp Zabel
2016-10-07 22:43 ` Sakari Ailus
2016-10-14 15:48 ` Philipp Zabel
2016-10-14 17:06 ` Ian Arkver
2016-10-14 17:30 ` Philipp Zabel
2016-10-07 16:00 ` [PATCH 03/22] [media] v4l: of: add v4l2_of_subdev_registered Philipp Zabel
2016-10-07 18:50 ` Marek Vasut
2016-10-14 15:48 ` Philipp Zabel
2016-10-07 22:50 ` Sakari Ailus
2016-10-14 15:49 ` Philipp Zabel
2016-10-07 16:00 ` [PATCH 04/22] [media] v4l2-subdev.h: add prepare_stream op Philipp Zabel
2016-10-07 23:16 ` Sakari Ailus
2016-10-14 15:48 ` Philipp Zabel
2016-10-16 22:59 ` Sakari Ailus
2016-10-07 16:00 ` [PATCH 05/22] [media] v4l2-async: add new subdevices to the tail of subdev_list Philipp Zabel
2016-10-07 16:00 ` [PATCH 06/22] [media] imx: Add i.MX SoC wide media device driver Philipp Zabel
2016-10-07 16:00 ` [PATCH 07/22] [media] imx: Add IPUv3 media common code Philipp Zabel
2016-10-17 7:04 ` Ian Arkver
2016-10-07 16:00 ` [PATCH 08/22] [media] imx-ipu: Add i.MX IPUv3 CSI subdevice driver Philipp Zabel
2016-10-07 16:00 ` [PATCH 09/22] [media] imx: Add i.MX IPUv3 capture driver Philipp Zabel
2016-10-07 16:00 ` [PATCH 10/22] [media] platform: add video-multiplexer subdevice driver Philipp Zabel
2016-10-07 16:00 ` [PATCH 11/22] [media] imx: Add i.MX MIPI CSI-2 " Philipp Zabel
2016-10-07 16:00 ` [PATCH 12/22] [media] tc358743: put lanes in STOP state before starting streaming Philipp Zabel
2016-10-07 19:02 ` Marek Vasut
2016-10-14 15:49 ` Philipp Zabel [this message]
2016-10-07 16:00 ` [PATCH 13/22] ARM: dts: imx6qdl: Add capture-subsystem node Philipp Zabel
2016-10-07 16:00 ` [PATCH 14/22] ARM: dts: imx6qdl: Add mipi_ipu1/2 multiplexers, mipi_csi, and their connections Philipp Zabel
2016-10-07 16:01 ` [PATCH 15/22] ARM: dts: imx6qdl: Add MIPI CSI-2 D-PHY compatible and clocks Philipp Zabel
2016-10-07 16:01 ` [PATCH 16/22] ARM: dts: nitrogen6x: Add dtsi for BD_HDMI_MIPI HDMI to MIPI CSI-2 receiver board Philipp Zabel
2016-10-10 15:48 ` [16/22] " Gary Bisson
2016-10-14 16:45 ` Philipp Zabel
2016-10-07 16:01 ` [PATCH 17/22] gpu: ipuv3: add ipu_csi_set_downsize Philipp Zabel
2016-10-07 16:01 ` [PATCH 18/22] [media] imx-ipuv3-csi: support downsizing Philipp Zabel
2016-10-07 19:01 ` Marek Vasut
2016-10-14 15:48 ` Philipp Zabel
2016-10-16 15:09 ` Marek Vasut
2016-10-07 16:01 ` [PATCH 19/22] [media] add mux and video interface bridge entity functions Philipp Zabel
2016-10-07 16:01 ` [PATCH 20/22] [media] video-multiplexer: set entity function to mux Philipp Zabel
2016-10-07 16:01 ` [PATCH 21/22] [media] imx: Set i.MX MIPI CSI-2 entity function to bridge Philipp Zabel
2016-10-07 16:01 ` [PATCH 22/22] [media] tc358743: set entity function to video interface bridge Philipp Zabel
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=1476460145.11834.47.camel@pengutronix.de \
--to=p.zabel@pengutronix.de \
--cc=hverkuil@xs4all.nl \
--cc=kernel@pengutronix.de \
--cc=linux-media@vger.kernel.org \
--cc=marex@denx.de \
--cc=steve_longerbeam@mentor.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
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox