From: Rob Herring <robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Nishanth Peethambaran
<nishanth.p-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
Michal Nazarewicz
<mina86-deATy8a+UHjQT0dZR+AlfA@public.gmane.org>,
linaro-mm-sig-cunTk1MwBs8s++Sfvej+rw@public.gmane.org,
Kyungmin Park
<kyungmin.park-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
Sylwester Nawrocki
<sylvester.nawrocki-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [Linaro-mm-sig] [PATCH 0/2] Device Tree support for CMA (Contiguous Memory Allocator)
Date: Mon, 18 Feb 2013 15:58:26 -0600 [thread overview]
Message-ID: <5122A402.7030807@gmail.com> (raw)
In-Reply-To: <CAMcxFTQAOjmzy77eB8nj3JDZ-6mwoMpm8yabtQj04tcLw-giLg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 02/16/2013 11:18 PM, Nishanth Peethambaran wrote:
> Limiting the scope of the product to a particular use-case (720p or
> 1080p video playback) will be part of firmware mostly OTP-ed in the
> SoC. Firmware author could decide the amount of CMA memory needed and
> put this as part of DT.
What kernel developer would want a firmware author deciding how much
memory is needed? It is not a decision that can be made without
knowledge of the OS. While the frame size could be determined easily
enough based on resolution, the number of buffers needed cannot.
Rob
next prev parent reply other threads:[~2013-02-18 21:58 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-14 12:45 [PATCH 0/2] Device Tree support for CMA (Contiguous Memory Allocator) Marek Szyprowski
[not found] ` <1360845928-8107-1-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2013-02-14 12:45 ` [PATCH 1/2] drivers: dma-contiguous: clean source code and prepare for device tree Marek Szyprowski
2013-02-14 21:37 ` Laura Abbott
2013-02-14 12:45 ` [PATCH 2/2] drivers: dma-contiguous: add initialization from " Marek Szyprowski
2013-02-14 21:34 ` [Linaro-mm-sig] " Laura Abbott
2013-02-15 16:12 ` Nishanth Peethambaran
[not found] ` <511D586A.5060902-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2013-03-15 15:21 ` Marek Szyprowski
[not found] ` <51433C8B.20607-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2013-03-19 17:54 ` Laura Abbott
2013-02-14 21:30 ` [PATCH 0/2] Device Tree support for CMA (Contiguous Memory Allocator) Sascha Hauer
[not found] ` <20130214213013.GG1906-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2013-02-14 22:08 ` Sylwester Nawrocki
[not found] ` <511D6076.9090503-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-02-15 8:33 ` Sascha Hauer
[not found] ` <20130215083304.GK1906-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2013-02-15 16:24 ` Rob Herring
2013-02-17 5:18 ` [Linaro-mm-sig] " Nishanth Peethambaran
[not found] ` <CAMcxFTQAOjmzy77eB8nj3JDZ-6mwoMpm8yabtQj04tcLw-giLg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-02-18 21:58 ` Rob Herring [this message]
2013-02-19 9:29 ` Nishanth Peethambaran
2013-02-18 22:25 ` Sylwester Nawrocki
[not found] ` <5122AA3F.8030001-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-02-19 5:03 ` Olof Johansson
2013-03-15 15:05 ` Marek Szyprowski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5122A402.7030807@gmail.com \
--to=robherring2-re5jqeeqqe8avxtiumwx3w@public.gmane.org \
--cc=devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org \
--cc=kyungmin.park-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org \
--cc=linaro-mm-sig-cunTk1MwBs8s++Sfvej+rw@public.gmane.org \
--cc=linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
--cc=mina86-deATy8a+UHjQT0dZR+AlfA@public.gmane.org \
--cc=nishanth.p-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
--cc=s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org \
--cc=sylvester.nawrocki-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).