From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: Grazvydas Ignotas <notasas@gmail.com>
Cc: linux-fbdev@vger.kernel.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH] OMAPDSS: OMAPFB: check for matching memory size early
Date: Wed, 21 Mar 2012 12:58:19 +0000 [thread overview]
Message-ID: <1332334699.2236.16.camel@deskari> (raw)
In-Reply-To: <1331253769-9770-1-git-send-email-notasas@gmail.com>
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Hi,
On Fri, 2012-03-09 at 02:42 +0200, Grazvydas Ignotas wrote:
> If the size of memory region that is being set up is the same as before,
> we don't have to do memory and layer busy checks.
>
> Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
> ---
> I'm not sure if this is semantically correct, but this helps to get
> some old programs working, that rely on old DSS version which didn't
> check for mmap lock, but incidentally they are using same size too..
Well, I wouldn't allow code like that if it was a new ioctl, but if, as
you say, the old omapfb worked that way, then I think it's better to do
things the same way.
I can see no harm in it, so I'll apply.
Tomi
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prev parent reply other threads:[~2012-03-21 12:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-09 0:42 [PATCH] OMAPDSS: OMAPFB: check for matching memory size early Grazvydas Ignotas
2012-03-21 12:58 ` Tomi Valkeinen [this message]
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