linux-kernel - Re: [PATCH v3 9/9] [media] vivid: Local optimization

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Message-ID: <CAPybu_3L2_yGLjzo7wnXxiXRrJQ4YmRZUvAkmoVMKxJKgVe3yQ@mail.gmail.com>
Date:	Sat, 16 Jul 2016 12:52:09 +0200
From:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To:	Jonathan Corbet <corbet@....net>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Hans Verkuil <hverkuil@...all.nl>,
	Markus Heiser <markus.heiser@...marit.de>,
	Helen Mae Koike Fornazier <helen.koike@...labora.co.uk>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Antti Palosaari <crope@....fi>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Shuah Khan <shuahkh@....samsung.com>,
	linux-doc@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	linux-media <linux-media@...r.kernel.org>
Cc:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Subject: Re: [PATCH v3 9/9] [media] vivid: Local optimization

Hi

On Sat, Jul 16, 2016 at 12:41 PM, Ricardo Ribalda Delgado
<ricardo.ribalda@...il.com> wrote:

> -                       cr = clamp(cr, 16 << 4, 240 << 4);
> +                       y = clamp(y >> 4, 16, 235);
> +                       cb = clamp(cb >> 4, 16, 240);
> +                       cr = clamp(cr > 4, 16, 240);
This line is obviously wrong, sorry about that.

I wait for some more comments and add it to v4.

Regards!