Re: [PATCH] OMAPDSS: OMAPFB: check for matching memory size early

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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@xxxxxxxxx>
> ---
> 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.


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