<div dir="ltr">Hi Tomasz,<br><div><div class="gmail_extra"><br><div class="gmail_quote">On 10 May 2013 08:25, Vikas Sajjan <span dir="ltr"><<a href="mailto:vikas.sajjan@linaro.org" target="_blank">vikas.sajjan@linaro.org</a>></span> wrote:<br>


<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi Tomasz,<br><div class="gmail_extra"><br><br><div class="gmail_quote"><div><div>
On 10 May 2013 05:35, Tomasz Figa <span dir="ltr"><<a href="mailto:tomasz.figa@gmail.com" target="_blank">tomasz.figa@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi Vikas,<br>
<div><div><br>
On Wednesday 08 of May 2013 11:31:34 Vikas Sajjan wrote:<br>
> Adds display timing node for a DP panel to Arndale Board DTS file<br>
><br>
> Signed-off-by: Vikas Sajjan <<a href="mailto:vikas.sajjan@linaro.org" target="_blank">vikas.sajjan@linaro.org</a>><br>
> ---<br>
>  arch/arm/boot/dts/exynos5250-arndale.dts |   16 ++++++++++++++++<br>
>  1 file changed, 16 insertions(+)<br>
><br>
> diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts<br>
> b/arch/arm/boot/dts/exynos5250-arndale.dts index f68b820..c831a5c<br>
> 100644<br>
> --- a/arch/arm/boot/dts/exynos5250-arndale.dts<br>
> +++ b/arch/arm/boot/dts/exynos5250-arndale.dts<br>
> @@ -459,4 +459,20 @@<br>
>               samsung,lane-count = <4>;<br>
>       };<br>
><br>
> +     display-timings {<br>
> +             native-mode = <&timing0>;<br>
> +             timing0: timing@0 {<br>
> +                     /* 2560x1600 DP panel */<br>
> +                     clock-frequency = <50000>;<br>
> +                     hactive = <2560>;<br>
> +                     vactive = <1600>;<br>
> +                     hfront-porch = <48>;<br>
> +                     hback-porch = <80>;<br>
> +                     hsync-len = <32>;<br>
> +                     vback-porch = <16>;<br>
> +                     vfront-porch = <8>;<br>
> +                     vsync-len = <6>;<br>
> +             };<br>
> +     };<br>
<br>
</div></div>What display are those timings used for? Shouldn't they be placed inside<br>
node of that display?<br>
<br></blockquote></div></div><div>This timing information will be used parsed by the FIMD probe with the help of "Video Helper function"  as done in this link <br><br><a href="https://git.kernel.org/cgit/linux/kernel/git/daeinki/drm-exynos.git/commit/?h=exynos-drm-next&id=7f4596f4aebcc9fcf2d50d3fe398508d710c4dd0" target="_blank">https://git.kernel.org/cgit/linux/kernel/git/daeinki/drm-exynos.git/commit/?h=exynos-drm-next&id=7f4596f4aebcc9fcf2d50d3fe398508d710c4dd0</a><br>



<br>Please refer to this patch which is used for exynos4412-origen and exynos5250-smdk5250 respectively in similar way<br><br><a href="https://git.kernel.org/cgit/linux/kernel/git/kgene/linux-samsung.git/commit/?h=for-next&id=0207775d6ff7e6a6eddb9931f9328f0f0173a338" target="_blank">https://git.kernel.org/cgit/linux/kernel/git/kgene/linux-samsung.git/commit/?h=for-next&id=0207775d6ff7e6a6eddb9931f9328f0f0173a338</a><br>



<br><a href="https://git.kernel.org/cgit/linux/kernel/git/kgene/linux-samsung.git/commit/?h=for-next&id=06c460b73f75894cabfb1f5277f27cddbc92745c" target="_blank">https://git.kernel.org/cgit/linux/kernel/git/kgene/linux-samsung.git/commit/?h=for-next&id=06c460b73f75894cabfb1f5277f27cddbc92745c</a><br>



 <br></div><div>And also you can refer to Documentation/devicetree/bindings/video/display-timing.txt <br></div></div></div></div></blockquote><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">


<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Best regards,<br>
Tomasz<br>
<br><span><font color="#888888">
</font></span></blockquote></div><span><font color="#888888"><br><br clear="all"><br>-- <br>Thanks and Regards<div> Vikas Sajjan</div>
</font></span></div></div>
</blockquote></div><br><br clear="all"><br>-- <br>Thanks and Regards<div> Vikas Sajjan</div>
</div></div></div>