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

[Inki Dae]

2012/9/22 Stephen Warren <swarren at wwwdotorg.org>:
> On 09/21/2012 01:22 AM, Inki Dae wrote:
>> 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.
>
> I think the videomode helpers would be merged for 3.7 at the very
> earliest; 3.6 is cooked already. Given there are still some comments on
> the binding, perhaps it won't happen until 3.8, but it'd be best to ask
> on that thread so that people more directly involved with the status can
> answer.
>

as I mentioned before, it's better to use videomode helper instead but
for this, we should wait for that the videomode helper are merged to
mainline so I think it's better to merge it as is and then modify it
for videomode helper to be used later.

Thanks,
Inki Dae

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