From: Ingmar Sittl <ingmar.sittl@elektrobit.com>
To: Daiane Angolini <daiane.list@gmail.com>
Cc: "meta-freescale@yoctoproject.org" <meta-freescale@yoctoproject.org>
Subject: Re: no display output on LVDS with i.mx6Q Sabre SDB and dora
Date: Mon, 14 Apr 2014 15:35:10 +0200 [thread overview]
Message-ID: <534BE40E.2020803@elektrobit.com> (raw)
In-Reply-To: <CA+jg_OUfpFjkdZx8EA7SwwBuwQB7VZGB5tS-dKy2_yhu7zz5Hw@mail.gmail.com>
On 14.04.2014 15:32, Daiane Angolini wrote:
> On Mon, Apr 14, 2014 at 9:40 AM, Ingmar Sittl
> <ingmar.sittl@elektrobit.com> wrote:
>> Hi,
>>
>> I am trying to switch the i.mx6 Linux BSPs we use from the old LTIB-based
>> setup to Yocto, but run into problems getting the display to work.
>>
>> I've built fsl-image-test from dora (with X11 disabled to get a
>> framebuffer-based OpenVG/OpenGLES setup) and installed the resulting image
>> to an SD card. Unfortunately I don't seem to be able to configure the system
>> so that I get output on the Hannstar display connected to LVDS0. I've tried
>> the configuration settings recommended by others in the forum
>> (video=mxcfb0:dev=ldb,LDB-XGA,if=RGB666 video=mxcfb1:off fbmem=10M
>> vmalloc=400M no_console_suspend), but no luck.
> Do you see *anything*?
>
> the sequence of "things to be shown": (in a fsl-image-test case)
>
> u-boot splash -> 4 tux -> yocto project progress bar -> blank -> console
nothing, neither a splash screen nor the 4 tux or a progress bar
>
>
>> Built 1 zonelists in Zone order, mobility grouping on. Total pages: 194560
>> Kernel command line: console=ttymxc0,115200 root=/dev/mmcblk0p2 rootwait rw
>> video=mxcfb0:dev=ldb,LDB-XGA,if=RGB666 video=mxcfb1:off fbmem=10M
>> vmalloc=400M noconsole_suspend
> What's the consequence of "noconsole_suspend"?
I found that option in a older forum message and tried starting both with and
without this option. I assume it is not really relevant to the issue.
Ingmar
--
-----------------------------------------------------------
Dipl.-Inf. (Univ) Ingmar Sittl, Manager, Human Machine Interfaces
EB - Discover the Experience
Tel: +49-9131-7701-6276 mailto:Ingmar.Sittl@elektrobit.com
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Elektrobit Automotive GmbH, Am Wolfsmantel 46, 91058 Erlangen, Germany
Managing Directors Alexander Kocher, Gregor Zink
Register Court Fürth HRB 4886
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next prev parent reply other threads:[~2014-04-14 13:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-14 12:40 no display output on LVDS with i.mx6Q Sabre SDB and dora Ingmar Sittl
2014-04-14 13:20 ` Fabio Estevam
2014-04-14 13:33 ` Ingmar Sittl
2014-04-14 13:35 ` Fabio Estevam
2014-04-14 13:32 ` Daiane Angolini
2014-04-14 13:35 ` Ingmar Sittl [this message]
2014-04-14 13:43 ` Fabio Estevam
2014-04-14 13:47 ` Ingmar Sittl
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