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From: Philippe Leduc <ledphilippe@gmail.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: Help configuring i.MX6 IPUv3 with a parrallel display
Date: Wed, 24 Feb 2016 13:50:46 +0100	[thread overview]
Message-ID: <CABQt-Ukb1thMQYOwCmuNmfdYTni6JeT9wKxtMH45Tfvv0mLB9w@mail.gmail.com> (raw)
In-Reply-To: <20160224124343.GO3939@pengutronix.de>

Same result with memset or cp : the screen stay white. I'll recheck my
timings. Could it be related with the freeze of the splash utility?

BTW, it seems that of_get_display_timings() can't manage ranges of
datas as mentionned in the binding doc (display-timings.txt).
Philippe LEDUC
ledphilippe@gmail.com


2016-02-24 13:43 GMT+01:00 Sascha Hauer <s.hauer@pengutronix.de>:
> On Wed, Feb 24, 2016 at 01:39:25PM +0100, Philippe Leduc wrote:
>> > You could try setting it to
>> V4L2_PIX_FMT_RGB24 manually in ipu_crtc_mode_set().
>> It is working with this trick and I do not get any error:
>>
>> Unfortunately, the display stay white... I tried to write it with "mw
>> -d /dev/fb0 0xXXXXXXXX +0x40000" and splash freeze the board.
>
> Try 'cp /dev/ram0 /dev/fb0' or 'memset -d /dev/fb0 0x0 0x55 1M'. With
> 'mw' you can only write single words which only gives you some dots in
> one screen corner.
>
> Sascha
>
> --
> Pengutronix e.K.                           |                             |
> Industrial Linux Solutions                 | http://www.pengutronix.de/  |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
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  reply	other threads:[~2016-02-24 12:51 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-22 16:41 Philippe Leduc
2016-02-23  8:32 ` Sascha Hauer
2016-02-23 11:47   ` Philippe Leduc
2016-02-24  8:22     ` Philippe Leduc
2016-02-24 11:15       ` Sascha Hauer
2016-02-24 12:39         ` Philippe Leduc
2016-02-24 12:43           ` Sascha Hauer
2016-02-24 12:50             ` Philippe Leduc [this message]
2016-02-24 13:46               ` Philippe Leduc
2016-02-24 18:15                 ` Sascha Hauer
2016-02-25  8:44                   ` Philippe Leduc
2016-02-25  9:16                 ` Holger Schurig

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