[meta-freescale] iMX28 EVK can't change display timings in Linux 2.6.35.3

Otavio Salvador otavio.salvador at ossystems.com.br
Mon Oct 5 05:33:55 PDT 2015


On Mon, Oct 5, 2015 at 5:33 AM, Cjb_SW Freescale
<cjb.sw.nospam at gmail.com> wrote:
> Dear All,
> I'm working on a custom board based upon iMX28EVK, with which it shares a
> big part of schematics.
> My problem is that with the SEIKO 4.3" (the evaluation kit display)
> everything work perfectly.
> With another display I can see the visible area shifted about 5-6mm from the
> left part.
> I tried to change the sources in the module lcd_43wvf1g.c adapting all the
> values (timings, clocks, Fporch Hporch and so on) to my LCD specifications,
> but nothing change on the output.
> So I'm asking, how can I configure a new display in the kernel?
> How are the kernel CommandLine variables parsed for video interface? Is
> there one?

I strongly advise to move to Linux mainline (or linux-fslc, here) as
it offers a nicer and supported kernel. The BSP for i.MX28 is dead
from Freescale side.

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750


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