[PATCH V6 2/2] video: drm: exynos: Add device tree support

Inki Dae inki.dae at samsung.com
Fri Sep 21 03:22:29 EDT 2012


2012/9/21 Stephen Warren <swarren at wwwdotorg.org>:
> On 09/21/2012 05:22 AM, Leela Krishna Amudala wrote:
>> This patch adds device tree based discovery support for exynos DRM-FIMD
>> driver which includes driver modification to handle platform data in
>> both the cases with DT and non-DT, Also adds the documentation for bindings.
>
>> diff --git a/Documentation/devicetree/bindings/drm/exynos/fimd.txt b/Documentation/devicetree/bindings/drm/exynos/fimd.txt
> ...
>> + - samsung,fimd-display: This property should specify the phandle of the
>> +   display device node which holds the video interface timing with the
>> +   below mentioned properties.
>> +
>> +   - lcd-htiming: Specifies the horizontal timing for the overlay. The
>> +     horizontal timing includes four parameters in the following order.
>> +
>> +     - horizontal back porch (in number of lcd clocks)
>> +     - horizontal front porch (in number of lcd clocks)
>> +     - hsync pulse width (in number of lcd clocks)
>> +     - Display panels X resolution.
>> +
>> +   - lcd-vtiming: Specifies the vertical timing for the overlay. The
>> +     vertical timing includes four parameters in the following order.
>> +
>> +     - vertical back porch (in number of lcd lines)
>> +     - vertical front porch (in number of lcd lines)
>> +     - vsync pulse width (in number of lcd clocks)
>> +     - Display panels Y resolution.
>
> Should this not use the new videomode timings that are under discussion at:
>
> http://lists.freedesktop.org/archives/dri-devel/2012-July/024875.html
>

ok, I agree with you. then the videomode helper is going to be merged
to mainline(3.6)? if so, this patch should be reworked based on the
videomode helper.


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