[PATCH/RFC v2.1 0/2] Mem-to-mem device framework

Mauro Carvalho Chehab maurochehab at gmail.com
Wed Feb 3 03:44:28 EST 2010


Hiremath, Vaibhav wrote:
>> -----Original Message-----
>> From: Pawel Osciak [mailto:p.osciak at samsung.com]
>> Sent: Monday, December 28, 2009 8:19 PM
>> To: 'Hans Verkuil'
>> Cc: linux-media at vger.kernel.org; linux-samsung-soc at vger.kernel.org;
>> linux-arm-kernel at lists.infradead.org; Marek Szyprowski;
>> kyungmin.park at samsung.com; Hiremath, Vaibhav; Karicheri,
>> Muralidharan; 'Guru Raj'; 'Xiaolin Zhang'; 'Magnus Damm'; 'Sakari
>> Ailus'
>> Subject: RE: [PATCH/RFC v2.1 0/2] Mem-to-mem device framework
>>
>> Hello Hans,
>>
>>
>> On Wednesday 23 December 2009 16:06:18 Hans Verkuil wrote:
>>> Thank you for working on this! It's much appreciated. Now I've
>> noticed that
>>> patches regarding memory-to-memory and memory pool tend to get
>> very few comments.
>>> I suspect that the main reason is that these are SoC-specific
>> features that do
>>> not occur in consumer-type products. So most v4l developers do not
>> have the
>>> interest and motivation (and time!) to look into this.
>> Thank you very much for your response. We were a bit surprised with
>> the lack of
>> responses as there seemed to be a good number of people interested
>> in this area.
>>
>> I'm hoping that everybody interested would take a look at the test
>> device posted
>> along with the patches. It's virtual, no specific hardware required,
>> but it
>> demonstrates the concepts behind the framework, including
>> transactions.
>>
> [Hiremath, Vaibhav] I was on vacation and resumed today itself, I will go through these patch series this weekend and will get back to you.
> 
> I just had cursory look and I would say it should be really good starting point for us to support mem-to-mem devices.\

Hmm... it seems to me that those patches are still under discussion/analysis.
I'll mark them as RFC at the Patchwork.

Please let me know after you, SoC guys, go into a consensus about it. Then,
please submit me the final version.

Cheers,
Mauro



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