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

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Message-ID: <CA+M3ks7-ZHghELcRHDiFNbubDZ2DRQPDh2bKKzhsu4EcA0Tzcg@mail.gmail.com>
Date:	Tue, 15 Jul 2014 11:41:18 +0200
From:	Benjamin Gaignard <benjamin.gaignard@...aro.org>
To:	Rob Clark <robdclark@...il.com>
Cc:	Russell King - ARM Linux <linux@....linux.org.uk>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Thierry Reding <thierry.reding@...il.com>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"linaro-mm-sig@...ts.linaro.org" <linaro-mm-sig@...ts.linaro.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	David Airlie <airlied@...ux.ie>
Subject: Re: [PATCH v5 00/11] Add DRM for stih4xx platforms

Hi all,

Does version 6 fit to all your expectations ?
If yes will you consider to merge it into drm-next ?
If no, please tell me what need to be fixed.

Regards,
Benjamin

2014-07-04 15:54 GMT+02:00 Benjamin Gaignard <benjamin.gaignard@...aro.org>:
> 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@...aro.org>:
>> 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@...il.com>:
>>> On Thu, Jul 3, 2014 at 5:52 PM, Russell King - ARM Linux
>>> <linux@....linux.org.uk> 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



-- 
Benjamin Gaignard

Graphic Working Group

Linaro.org │ Open source software for ARM SoCs

Follow Linaro: Facebook | Twitter | Blog
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