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Date:   Mon, 20 Feb 2017 17:18:38 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Jagan Teki <jagan@...nedev.com>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Matteo Lisi <matteo.lisi@...icam.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Domenico Acri <domenico.acri@...icam.com>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Michael Trimarchi <michael@...rulasolutions.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 2/4] arm: dts: imx6q: Add Engicam i.CoreM6 Quad/Dual
 OpenFrame Cap 10.1 initial support

On Mon, Feb 20, 2017 at 5:11 PM, Fabio Estevam <festevam@...il.com> wrote:
> On Mon, Feb 20, 2017 at 5:05 PM, Jagan Teki <jagan@...nedev.com> wrote:
>
>> +&ldb {
>> +       status = "okay";
>> +
>> +       lvds-channel@0 {
>> +               fsl,data-mapping = "spwg";
>> +               fsl,data-width = <24>;
>> +               status = "okay";
>> +
>> +               display-timings {
>> +                        native-mode = <&timing1>;
>> +                        timing1: hsd100pxn1 {
>> +                                clock-frequency = <60000000>;
>> +                                hactive = <1280>;
>> +                                vactive = <800>;
>> +                                hback-porch = <40>;
>> +                                hfront-porch = <40>;
>> +                                vback-porch = <10>;
>> +                                vfront-porch = <3>;
>> +                                hsync-len = <80>;
>> +                                vsync-len = <10>;
>
> hsd100pxn1 is supported by the drm simple panel driver.
>
> This allows you to remove the display-timings from the dts and use
> compatible = "hannstar,hsd100pxn1" instead.

After looking at the timings you provided they do not match with the
timings from hsd100pxn1, so it seems you have a different panel on
this board.

If this is the case, then you should not put a 'hsd100pxn1' reference
in the dts.

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