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From: Tim Harvey <tharvey@gateworks.com>
To: Fabio Estevam <festevam@gmail.com>
Cc: Steve Longerbeam <slongerbeam@gmail.com>,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	linux-media <linux-media@vger.kernel.org>
Subject: Re: [PATCH] media: imx.rst: Update the imx6-sabreauto ADV7180 instructions
Date: Tue, 15 Oct 2019 09:33:25 -0700	[thread overview]
Message-ID: <CAJ+vNU1+oS1wFav4W2g0f6XGCP3oqEwzxyvrN3fkggNSBau0Tg@mail.gmail.com> (raw)
In-Reply-To: <CAOMZO5Dcv9fz=A8nTsvVsvu7+LNag2Sj03tJyFQKgpt_1B6Dwg@mail.gmail.com>

On Tue, Oct 15, 2019 at 9:16 AM Fabio Estevam <festevam@gmail.com> wrote:
>
> Hi Tim,
>
> On Tue, Oct 15, 2019 at 1:07 PM Tim Harvey <tharvey@gateworks.com> wrote:
> >
> > Right, I understand there is something else going on with the i.MX53
> > but what about the i.MX6 testing related to these patches?
>
> I tested it on a imx6 sabreauto board with 5.3.x kernel plus Steve's
> patch that discard the 10 initial corrupted frames and I do not get
> rolling video.
>
> I do get rolling video if I remove/insert the cable though.

Right, because this re-creates the initial issue. Upon any signal lock
you would need to throw away the first few frames. I wish I knew the
proper way to deal with this.

Tim

>
> > Regarding the i.MX53 as you have a kernel that does work you could
> > start looking for i2c register differences and csi config differences
> > between the two kernels. I discovered an issue with the adv7280 by
> > comparing i2c register dumps.
>
> Yes, I am in the process of comparing the two kernels.
>
> Thanks

  reply	other threads:[~2019-10-15 16:33 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-10 15:44 [PATCH] media: imx.rst: Update the imx6-sabreauto ADV7180 instructions Fabio Estevam
2019-10-12 20:14 ` Steve Longerbeam
2019-10-12 20:24   ` Steve Longerbeam
2019-10-12 21:19     ` Fabio Estevam
2019-10-15 15:49       ` Tim Harvey
2019-10-15 15:53         ` Fabio Estevam
2019-10-15 16:07           ` Tim Harvey
2019-10-15 16:16             ` Fabio Estevam
2019-10-15 16:33               ` Tim Harvey [this message]
2019-10-15 16:42                 ` Fabio Estevam
2019-10-15 18:19                   ` Steve Longerbeam
2019-10-15 19:11                     ` Fabio Estevam
2019-10-16  1:17                       ` Steve Longerbeam
2019-10-16  1:32                         ` Fabio Estevam
2019-10-16 13:04                         ` Fabio Estevam
2019-10-16 17:31                           ` Steve Longerbeam
2019-10-16 18:54                             ` Fabio Estevam
2019-10-16 19:11                               ` Steve Longerbeam
2019-10-16 19:51                                 ` Fabio Estevam
2020-06-25 10:53                                   ` Hans Verkuil
2020-06-25 11:38                                     ` Fabio Estevam

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