linux-kernel - Re: [PATCH] HZ: 300Hz support

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Message-Id: <1163018898.3138.388.camel@laptopd505.fenrus.org>
Date:	Wed, 08 Nov 2006 21:48:17 +0100
From:	Arjan van de Ven <arjan@...radead.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-kernel@...r.kernel.org, akpm@...l.org
Subject: Re: [PATCH] HZ: 300Hz support

On Wed, 2006-11-08 at 20:42 +0000, Alan Cox wrote:
> Fix two things. Firstly the unit is "Hz" not "HZ". Secondly it is useful
> to have 300Hz support when doing multimedia work. 250 is fine for us in
> Europe but the US frame rate is 30fps (29.99 blah for pedants). 300
> gives us a tick divisible by both 25 and 30, and for interlace work 50
> and 60. It's also giving similar performance to 250Hz.
> 
> I'd argue we should remove 250 and add 300, but that might be excess
> disruption for now.


the last time 300 was proposed the counter argument was that it was
lousy in terms of PIT rounding... did you check that out?


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