linux-kernel - Re: [Linaro-mm-sig] [RFC v3 0/2] Introduce DMA buffer sharing mechanism

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Message-ID: <CAB2ybb-iAN_GPoUkPaEgUyhZmm9mZfoC9cf6oeaPehhCnHGu4g@mail.gmail.com>
Date:	Mon, 26 Dec 2011 12:21:45 +0530
From:	"Semwal, Sumit" <sumit.semwal@...com>
To:	Rob Clark <rob@...com>
Cc:	Dave Airlie <airlied@...il.com>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-mm@...ck.org,
	linaro-mm-sig@...ts.linaro.org, dri-devel@...ts.freedesktop.org,
	linux-media@...r.kernel.org, linux@....linux.org.uk, arnd@...db.de,
	jesse.barker@...aro.org, m.szyprowski@...sung.com,
	t.stanislaws@...sung.com, patches@...aro.org, daniel@...ll.ch
Subject: Re: [Linaro-mm-sig] [RFC v3 0/2] Introduce DMA buffer sharing mechanism

On Fri, Dec 23, 2011 at 10:50 PM, Rob Clark <rob@...com> wrote:
> On Fri, Dec 23, 2011 at 4:08 AM, Semwal, Sumit <sumit.semwal@...com> wrote:
>> On Wed, Dec 21, 2011 at 1:50 AM, Dave Airlie <airlied@...il.com> wrote:
>> <snip>
>>>>
>>>> Hence for both patches:
>>>> Reviewed-by: Daniel Vetter <daniel.vetter@...ll.ch>
>>>
>>> Yeah I'm with Daniel, I like this one, I can definitely build the drm
>>> buffer sharing layer on top of this.
>>>
>>> How do we see this getting merged? I'm quite happy to push it to Linus
>>> if we don't have an identified path, though it could go via a Linaro
>>> tree as well.
>>>
>>> so feel free to add:
>>> Reviewed-by: Dave Airlie <airlied@...hat.com>
>> Thanks Daniel and Dave!
>>
>> I guess we can start with staging for 3.3, and see how it shapes up. I
>> will post the latest patch version pretty soon.
>
> not sure about staging, but could make sense to mark as experimental.
Thanks, I will mark it experimental for the first version; we can
remove that once it is more widely used and tested.
>
>> Arnd, Dave: do you have any preference on the path it takes to get
>> merged? In my mind, Linaro tree might make more sense, but I would
>> leave it upto you gentlemen.
>
> Looks like Dave is making some progress on drm usage of buffer sharing
> between gpu's.. if that is ready to go in at the same time, it might
> be a bit logistically simpler for him to put dmabuf in the same pull
> req.  I don't have strong preference one way or another, so do what is
> collectively simpler ;-)
:) Right - I am quite happy for it to get merged in either ways :)
>
> BR,
> -R
Best regards,
~Sumit.
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