Re: [PATCH v12][ 06/12] ARM: dts: imx5*, imx6*: correct display-timings nodes.

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Hi,

Shawn Guo wrote:
> On Mon, Apr 07, 2014 at 02:44:45PM +0200, Denis Carikli wrote:
> > The imx-drm driver can't use the de-active and
> > pixelclk-active display-timings properties yet.
> > 
> > Instead the data-enable and the pixel data clock
> > polarity are hardcoded in the imx-drm driver.
> > 
> > So theses properties are now set to keep
> > the same behaviour when imx-drm will start
> > using them.
> > 
> > Signed-off-by: Denis Carikli <denis@xxxxxxxxxx>
> > ---
> > ChangeLog v9->v10:
> > - New patch that was splitted out of:
> >   "staging imx-drm: Use de-active and pixelclk-active
> >   display-timings."
> > ---
> >  arch/arm/boot/dts/imx51-babbage.dts       |    2 ++
> >  arch/arm/boot/dts/imx53-m53evk.dts        |    2 ++
> >  arch/arm/boot/dts/imx53-tx53-x03x.dts     |    2 +-
> >  arch/arm/boot/dts/imx6qdl-gw53xx.dtsi     |    2 ++
> >  arch/arm/boot/dts/imx6qdl-gw54xx.dtsi     |    2 ++
> >  arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi |    2 ++
> >  arch/arm/boot/dts/imx6qdl-sabreauto.dtsi  |    2 ++
> >  arch/arm/boot/dts/imx6qdl-sabrelite.dtsi  |    2 ++
> >  arch/arm/boot/dts/imx6qdl-sabresd.dtsi    |    2 ++
> >  9 files changed, 17 insertions(+), 1 deletion(-)
> 
> ...
> 
> > diff --git a/arch/arm/boot/dts/imx53-tx53-x03x.dts b/arch/arm/boot/dts/imx53-tx53-x03x.dts
> > index 0217dde3..4092a81 100644
> > --- a/arch/arm/boot/dts/imx53-tx53-x03x.dts
> > +++ b/arch/arm/boot/dts/imx53-tx53-x03x.dts
> > @@ -93,7 +93,7 @@
> >  					hsync-active = <0>;
> >  					vsync-active = <0>;
> >  					de-active = <1>;
> > -					pixelclk-active = <1>;
> > +					pixelclk-active = <0>;
> 
> @Lothar, is this change correct?
> 
No, the ET0430 display which is affected by this patch actually has an
inverted clock wrt the other displays of the family.

'pixelclk-active = <1>' is the correct setting for this display!

Thanks, Shawn for the reminder.


Lothar Waßmann
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