Hi Tomasz,

On 10 May 2013 08:25, Vikas Sajjan <vikas.sajjan@linaro.org> wrote:
Hi Tomasz,


On 10 May 2013 05:35, Tomasz Figa <tomasz.figa@gmail.com> wrote:
Hi Vikas,

On Wednesday 08 of May 2013 11:31:34 Vikas Sajjan wrote:
> Adds display timing node for a DP panel to Arndale Board DTS file
>
> Signed-off-by: Vikas Sajjan <vikas.sajjan@linaro.org>
> ---
>  arch/arm/boot/dts/exynos5250-arndale.dts |   16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts
> b/arch/arm/boot/dts/exynos5250-arndale.dts index f68b820..c831a5c
> 100644
> --- a/arch/arm/boot/dts/exynos5250-arndale.dts
> +++ b/arch/arm/boot/dts/exynos5250-arndale.dts
> @@ -459,4 +459,20 @@
>               samsung,lane-count = <4>;
>       };
>
> +     display-timings {
> +             native-mode = <&timing0>;
> +             timing0: timing@0 {
> +                     /* 2560x1600 DP panel */
> +                     clock-frequency = <50000>;
> +                     hactive = <2560>;
> +                     vactive = <1600>;
> +                     hfront-porch = <48>;
> +                     hback-porch = <80>;
> +                     hsync-len = <32>;
> +                     vback-porch = <16>;
> +                     vfront-porch = <8>;
> +                     vsync-len = <6>;
> +             };
> +     };

What display are those timings used for? Shouldn't they be placed inside
node of that display?

And also you can refer to Documentation/devicetree/bindings/video/display-timing.txt
 

Best regards,
Tomasz




--
Thanks and Regards
 Vikas Sajjan



--
Thanks and Regards
 Vikas Sajjan