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From: Edward Hervey <bilboed@gmail.com>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: 'Nicolas Pitre' <nicolas.pitre@linaro.org>,
	'Kyungmin Park' <kmpark@infradead.org>,
	'Linus Walleij' <linus.walleij@linaro.org>,
	linaro-dev@lists.linaro.org,
	'Harald Gustafsson' <harald.gustafsson@ericsson.com>,
	'Hans Verkuil' <hverkuil@xs4all.nl>,
	'Discussion of the development of and with GStreamer'
	<gstreamer-devel@lists.freedesktop.org>,
	johan.mossberg.lml@gmail.com,
	'ST-Ericsson LT Mailing List' <st-ericsson@lists.linaro.org>,
	linux-media@vger.kernel.org,
	'Laurent Pinchart' <laurent.pinchart@ideasonboard.com>
Subject: RE: [st-ericsson] v4l2 vs omx for camera
Date: Tue, 01 Mar 2011 11:25:45 +0100	[thread overview]
Message-ID: <1298975145.24906.60.camel@localhost> (raw)
In-Reply-To: <002b01cbd724$8e528bc0$aaf7a340$%szyprowski@samsung.com>

On Mon, 2011-02-28 at 09:50 +0100, Marek Szyprowski wrote:
> Hello,
[...]
> 
> I'm not sure that highmem is the right solution. First, this will force
> systems with rather small amount of memory (like 256M) to use highmem just
> to support DMA allocable memory. It also doesn't solve the issue with
> specific memory requirement for our DMA hardware (multimedia codec needs
> video memory buffers from 2 physical banks).

  Could you explain why a codec would require memory buffers from 2
physical banks ?

  Thanks,

   Edward

> 
> The relocation issue has been already addressed in the last CMA patch series.
> Michal managed to create a framework that allowed to relocate on demand any
> pages from the CMA area.
> 
> Best regards
> --
> Marek Szyprowski
> Samsung Poland R&D Center
> 
> 



  reply	other threads:[~2011-03-01 10:26 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <AANLkTik=Yc9cb9r7Ro=evRoxd61KVE=8m7Z5+dNwDzVd@mail.gmail.com>
     [not found] ` <AANLkTinDFMMDD-F-FsccCTvUvp6K3zewYsGT1BH9VP1F@mail.gmail.com>
     [not found]   ` <201102100847.15212.hverkuil@xs4all.nl>
     [not found]     ` <201102171448.09063.laurent.pinchart@ideasonboard.com>
     [not found]       ` <AANLkTikg0Oj6nq6h_1-d7AQ4NQr2UyMuSemyniYZBLu3@mail.gmail.com>
2011-02-22  2:44         ` [st-ericsson] v4l2 vs omx for camera Clark, Rob
     [not found]           ` <AANLkTin0GZxLqtPjNx9AEOPQKRkJ6hf2mXMOqp+LvNw0@mail.gmail.com>
2011-02-24 12:29             ` Linus Walleij
2011-02-24 13:04               ` Hans Verkuil
2011-02-24 13:10                 ` Laurent Pinchart
2011-02-25  6:10                   ` Clark, Rob
2011-02-26 13:26                 ` Felipe Contreras
2011-02-24 13:17           ` Hans Verkuil
2011-02-24 13:30             ` Laurent Pinchart
2011-02-24 14:48             ` Kyungmin Park
2011-02-24 14:51               ` Laurent Pinchart
2011-02-25  6:48             ` Clark, Rob
2011-02-24 13:27           ` Laurent Pinchart
2011-02-26 13:38             ` Felipe Contreras
2011-02-26 13:47               ` Hans Verkuil
2011-02-26 15:26                 ` Edward Hervey
2011-02-27 19:49                   ` Arnd Bergmann
2011-02-28 10:14                     ` Hans Verkuil
2011-02-28 10:15                     ` Laurent Pinchart
2011-02-24 20:19         ` Edward Hervey
2011-02-24 21:36           ` Edward Hervey
2011-02-25  6:33           ` Clark, Rob
2011-02-25 17:22           ` Linus Walleij
2011-02-26 12:12             ` Hans Verkuil
2011-02-28 10:11               ` Laurent Pinchart
2011-02-28 10:21                 ` Hans Verkuil
2011-02-28 10:33                   ` Laurent Pinchart
2011-02-26 14:14             ` Kyungmin Park
2011-02-26 19:20               ` Nicolas Pitre
2011-02-28  8:50                 ` Marek Szyprowski
2011-03-01 10:25                   ` Edward Hervey [this message]
2011-03-01 10:51                     ` Marek Szyprowski
2011-02-26 13:13         ` Felipe Contreras

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