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From: Mauro Carvalho Chehab <maurochehab@gmail.com>
To: "Hiremath, Vaibhav" <hvaibhav@ti.com>
Cc: "linux-samsung-soc@vger.kernel.org"
	<linux-samsung-soc@vger.kernel.org>,
	'Xiaolin Zhang' <xiaolin.zhang@intel.com>,
	'Guru Raj' <gururaj.nagendra@intel.com>,
	Pawel Osciak <p.osciak@samsung.com>,
	'Magnus Damm' <magnus.damm@gmail.com>,
	'Hans Verkuil' <hverkuil@xs4all.nl>,
	"kyungmin.park@samsung.com" <kyungmin.park@samsung.com>,
	"Karicheri, Muralidharan" <m-karicheri2@ti.com>,
	'Sakari Ailus' <sakari.ailus@maxwell.research.nokia.com>,
	"linux-media@vger.kernel.org" <linux-media@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	Marek Szyprowski <m.szyprowski@samsung.com>
Subject: Re: [PATCH/RFC v2.1 0/2] Mem-to-mem device framework
Date: Wed, 03 Feb 2010 06:44:28 -0200	[thread overview]
Message-ID: <4B69376C.1010407@gmail.com> (raw)
In-Reply-To: <19F8576C6E063C45BE387C64729E7394044A277BB2@dbde02.ent.ti.com>

Hiremath, Vaibhav wrote:
>> -----Original Message-----
>> From: Pawel Osciak [mailto:p.osciak@samsung.com]
>> Sent: Monday, December 28, 2009 8:19 PM
>> To: 'Hans Verkuil'
>> Cc: linux-media@vger.kernel.org; linux-samsung-soc@vger.kernel.org;
>> linux-arm-kernel@lists.infradead.org; Marek Szyprowski;
>> kyungmin.park@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

WARNING: multiple messages have this Message-ID (diff)
From: maurochehab@gmail.com (Mauro Carvalho Chehab)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH/RFC v2.1 0/2] Mem-to-mem device framework
Date: Wed, 03 Feb 2010 06:44:28 -0200	[thread overview]
Message-ID: <4B69376C.1010407@gmail.com> (raw)
In-Reply-To: <19F8576C6E063C45BE387C64729E7394044A277BB2@dbde02.ent.ti.com>

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

WARNING: multiple messages have this Message-ID (diff)
From: Mauro Carvalho Chehab <maurochehab@gmail.com>
To: "Hiremath, Vaibhav" <hvaibhav@ti.com>
Cc: Pawel Osciak <p.osciak@samsung.com>,
	'Hans Verkuil' <hverkuil@xs4all.nl>,
	"linux-media@vger.kernel.org" <linux-media@vger.kernel.org>,
	"linux-samsung-soc@vger.kernel.org"
	<linux-samsung-soc@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	"kyungmin.park@samsung.com" <kyungmin.park@samsung.com>,
	"Karicheri, Muralidharan" <m-karicheri2@ti.com>,
	'Guru Raj' <gururaj.nagendra@intel.com>,
	'Xiaolin Zhang' <xiaolin.zhang@intel.com>,
	'Magnus Damm' <magnus.damm@gmail.com>,
	'Sakari Ailus' <sakari.ailus@maxwell.research.nokia.com>
Subject: Re: [PATCH/RFC v2.1 0/2] Mem-to-mem device framework
Date: Wed, 03 Feb 2010 06:44:28 -0200	[thread overview]
Message-ID: <4B69376C.1010407@gmail.com> (raw)
In-Reply-To: <19F8576C6E063C45BE387C64729E7394044A277BB2@dbde02.ent.ti.com>

Hiremath, Vaibhav wrote:
>> -----Original Message-----
>> From: Pawel Osciak [mailto:p.osciak@samsung.com]
>> Sent: Monday, December 28, 2009 8:19 PM
>> To: 'Hans Verkuil'
>> Cc: linux-media@vger.kernel.org; linux-samsung-soc@vger.kernel.org;
>> linux-arm-kernel@lists.infradead.org; Marek Szyprowski;
>> kyungmin.park@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

  reply	other threads:[~2010-02-03  8:44 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-23 13:17 [PATCH/RFC v2.1 0/2] Mem-to-mem device framework Pawel Osciak
2009-12-23 13:17 ` Pawel Osciak
2009-12-23 13:17 ` [PATCH v2.1 1/2] V4L: Add memory-to-memory device helper framework for V4L2 Pawel Osciak
2009-12-23 13:17   ` Pawel Osciak
2009-12-24  2:53   ` Andy Walls
2009-12-24  2:53     ` Andy Walls
2009-12-23 13:17 ` [PATCH v2.1 2/2] V4L: Add a mem-to-mem V4L2 framework test device Pawel Osciak
2009-12-23 13:17   ` Pawel Osciak
2009-12-23 13:17 ` [EXAMPLE v2] Mem-to-mem userspace test application Pawel Osciak
2009-12-23 13:17   ` Pawel Osciak
2009-12-23 15:05 ` [PATCH/RFC v2.1 0/2] Mem-to-mem device framework Hans Verkuil
2009-12-23 15:05   ` Hans Verkuil
2009-12-28 14:49   ` Pawel Osciak
2009-12-28 14:49     ` Pawel Osciak
2009-12-31  4:50     ` Hiremath, Vaibhav
2009-12-31  4:50       ` Hiremath, Vaibhav
2010-02-03  8:44       ` Mauro Carvalho Chehab [this message]
2010-02-03  8:44         ` Mauro Carvalho Chehab
2010-02-03  8:44         ` Mauro Carvalho Chehab

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