Re: [PATCHv14][ 4/4] ARM: dts: imx25: mbimxsd25: Add displays support.

[Alexander Shiyan]

+CC: Tomi Valkeinen

Четверг, 13 марта 2014, 8:25 +04:00 от Alexander Shiyan <shc_work at mail.ru>:
> Среда, 12 марта 2014, 18:16 -03:00 от Fabio Estevam <festevam at gmail.com>:
> > Hi Eric,
> > 
> > On Wed, Mar 12, 2014 at 6:07 PM, Eric Bénard <eric at eukrea.com> wrote:
> > 
> > > if you have an oscilloscope, can you probe PIXCLK, HSYNC, VSYNC and DE
> > > to check the signals are properly configured vs the datasheet of your
> > > display.
> > 
> > Yes, I have measured VSYNC and there is no activity on this line.
> > 
> > Also tried 3.13 with a non-dt kernel and the same issue is seen.
> > 
> > Running FSL 2.6.31 I can see VSYNC at 57Hz and Tux on the display, so
> > the hardware is good.
> > 
> > At least for me imxfb seems to be broken even for the non-dt case.
> 
> I will check the latest changes on the weekends for i.MX27.

I acknowledge that the (linux-next-20140314) framebuffer driver works fine.
Today I checked it on Phytec-PCM970 board with i.MX27 (DT).

Nevertheless, I ask Tomi to apply at least two patches for this driver:
http://www.spinics.net/lists/arm-kernel/msg315522.html
http://www.spinics.net/lists/arm-kernel/msg315523.html

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