From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: DongCV <cv-dong@jinso.co.jp>
Cc: "Wolfram Sang" <wsa@sang-engineering.com>,
duclm <lm-duc@jinso.co.jp>,
"Ryusuke Sakato" <ryusuke.sakato.bx@renesas.com>,
"Kuninori Morimoto" <kuninori.morimoto.gx@renesas.com>,
"Magnus Damm" <magnus.damm@gmail.com>,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
稲吉 <h-inayoshi@jinso.co.jp>,
"Yoshihiro Shimoda" <yoshihiro.shimoda.uh@renesas.com>,
Dung：人ソ <nv-dung@jinso.co.jp>,
"Cao Minh Hiep" <cm-hiep@jinso.co.jp>,
"Laurent Pinchart" <laurent.pinchart+renesas@ideasonboard.com>,
"Simon Horman" <horms+renesas@verge.net.au>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
na-hoan@jinso.co.jp
Subject: Re: The failure summary report of GEN2 for linux stable v4.10-rc2
Date: Fri, 20 Jan 2017 14:36:01 +0200 [thread overview]
Message-ID: <2549854.ggP3E59vJ7@avalon> (raw)
In-Reply-To: <53275dcd-a10d-a9b1-6354-04f146eb633f@jinso.co.jp>
Dear Dong,
On Friday 20 Jan 2017 12:11:50 DongCV wrote:
> Dear Mr Laurent,
>
> Thank you for your quick reply.
> This is the log file contains information about the command "modetest -M
> rcar-du" (with the HDMI cable plugged).
Thank you. I think I know what's wrong. The default mode picked by the system
in your case uses positive H/V sync polarities, while in my cases the sync
signals have negative polarities. Could you try to select 1024x768 @60Hz
instead of 1024x768 @75Hz ? I think the HDMI output would then work correctly,
which would confirm that the problem is indeed caused by sync polarities.
I don't know why positive sync polarities are broken on Lager. I'll try to
investigate that, but it will have to wait for two weeks as I'll be travelling
until the 6th of February without access to my Lager board.
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2017-01-20 12:35 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-16 9:29 The failure summary report of GEN2 for linux stable v4.10-rc2 "カオ・ヴァン・ドン"
2017-01-16 15:34 ` Laurent Pinchart
[not found] ` <d7f4a948-37a2-e912-6e25-5690ad8ecef9@jinso.co.jp>
2017-01-18 6:53 ` DongCV
2017-01-18 22:47 ` Laurent Pinchart
2017-01-18 22:26 ` Laurent Pinchart
[not found] ` <8a056d37-3de9-30ac-74bc-e1393d1b193a@jinso.co.jp>
2017-01-19 23:49 ` Laurent Pinchart
2017-01-20 3:11 ` DongCV
2017-01-20 12:36 ` Laurent Pinchart [this message]
2017-01-23 7:58 ` Hiep Cao Minh
2017-02-14 21:53 ` Laurent Pinchart
2017-02-17 10:49 ` Hiep Cao Minh
[not found] ` <2653919.pRB2KAMlVt@avalon>
2017-02-22 12:23 ` Hiep Cao Minh
2017-02-22 17:41 ` Laurent Pinchart
2017-02-24 0:52 ` Hiep Cao Minh
2017-01-17 2:40 ` The failure summary report of GEN3 for linux upstream v4.10-rc2 Hoan
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