Re: [PATCH v5 00/11] Add DRM for stih4xx platforms

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Hi,

I have following Russel advice to rebase my patches on top of the new
component helpers API.

A new branch "drm_kms_for_next-v6" is available here
git://git.linaro.org/people/benjamin.gaignard/kernel.git

Regards,
Benjamin


2014-07-04 10:39 GMT+02:00 Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>:
> Rob, Russel,
>
> What I can do is to rebase my driver on driver-core-next branch from
> Greg tree (git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git).
>
> Does that could help ?
>
> Regards,
> Benjamin
>
>
> 2014-07-03 23:59 GMT+02:00 Rob Clark <robdclark@xxxxxxxxx>:
>> On Thu, Jul 3, 2014 at 5:52 PM, Russell King - ARM Linux
>> <linux@xxxxxxxxxxxxxxxx> wrote:
>>> On Thu, Jul 03, 2014 at 05:31:21PM -0400, Rob Clark wrote:
>>>> >From a brief look, it looks like my comments have been addressed, so I
>>>> think this is starting to shape up..
>>>>
>>>> Laurent/Thierry/Russell, I don't suppose any of you are likely to have
>>>> time before 3.17 merge window to give sti one last once-over to see
>>>> what I missed ;-)
>>>
>>> As this appears to be using the component helpers, it would be good for
>>> the author to be pre-warned about the change to the API.  I'm going to
>>> be doing this as a two step thing.
>>>
>>> The first stage of it has just been taken by Greg this evening.  This
>>> retires old behaviour that was needed for the initial versions of imx-drm,
>>> and fixes a bug.  More importantly, it introduces a new interface where
>>> you build the list of expected components before calling
>>> component_master_add(), passing it into that function.
>>>
>>> It is slightly less flexible from the driver writer's view point, but
>>> allows us to do more in the component helper, and support some features
>>> that others would like to see (such as being able to add additional
>>> optional components after the initial bind (that's not much interest
>>> to DRM though.)
>>>
>>> This should make the v3.17 merge window.  I'm hoping that by forewarning
>>> about the change, that people can be aware of it and have patches
>>> prepared for v3.18 (or maybe even v3.17) to convert over to it, so we
>>> can get rid of the older interface before we get too many users of it.
>>>
>>> I've just peeked at the binding document in the first patch.  I notice
>>> that it isn't making use of the of_graph stuff, which is a bit of a
>>> shame because I've sent a RFC patch adding drivers/gpu/drm/drm_of.c
>>> to provide a helper which encoders can use to get the CRTC mask from
>>> an of_graph representation.
>>
>> which reminds me, I need to have a look at the drm_of stuff..
>>
>>> I'm using this not only for imx-drm, but also for tda998x - and that's
>>> where the problems are likely to start if we end up with different
>>> DRM implementations doing different solutions to the connectivity
>>> problem.
>>
>> If it simplifies merge-order stuff, I'd be ok with a follow-up patch
>> that converts over (assuming it shouldn't have an impact on the DT
>> bindings, which I'm only assuming it should not..)
>>
>> Probably it would be a good idea if Benjamin at least had a patch
>> ready to go to convert over which could be merged right after your
>> stuff hits drm-next.
>>
>> BR,
>> -R
>>
>>> --
>>> FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly
>>> improving, and getting towards what was expected from it.
>
>
>
> --
> Benjamin Gaignard
>
> Graphic Working Group
>
> Linaro.org │ Open source software for ARM SoCs
>
> Follow Linaro: Facebook | Twitter | Blog



-- 
Benjamin Gaignard

Graphic Working Group

Linaro.org │ Open source software for ARM SoCs

Follow Linaro: Facebook | Twitter | Blog
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