From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1751371AbdAaJit (ORCPT <rfc822;w@1wt.eu>);
        Tue, 31 Jan 2017 04:38:49 -0500
Received: from mailout1.samsung.com ([203.254.224.24]:45811 "EHLO
        mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1751164AbdAaJi3 (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Tue, 31 Jan 2017 04:38:29 -0500
X-AuditID: b6c32a47-f79116d000001a32-f8-58905ac9fb44
Subject: Re: [PATCH] [media] s5p-mfc: Align stream buffer and CPB buffer to 512
From: Smitha T Murthy <smitha.t@samsung.com>
To: Andrzej Hajda <a.hajda@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org,
        linux-kernel@vger.kernel.org, kyungmin.park@samsung.com,
        kamil@wypas.org, jtp.park@samsung.com, mchehab@kernel.org,
        pankaj.dubey@samsung.com, krzk@kernel.org, m.szyprowski@samsung.com
In-reply-to: <de7bbdbf-35cc-a575-79d1-2ec5764469a5@samsung.com>
Content-type: text/plain; charset=UTF-8
Date: Tue, 31 Jan 2017 14:42:33 +0530
Message-id: <1485853953.16927.23.camel@smitha-fedora>
MIME-version: 1.0
X-Mailer: Evolution 2.28.3 (2.28.3-1.fc12)
Content-transfer-encoding: 7bit
X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupmk+LIzCtJLcpLzFFi42LZdljTTPdk1IQIg97pcha31p1jtTiy9iqT
        xcwT7awW589vYLc42/SG3WLT42usFpd3zWGz6NmwldVi7ZG77BbLNv1hsli09Qu7A7fHplWd
        bB6bl9R79G1ZxejxeZOcx5UjjewBrFGpNhmpiSmpRQqpecn5KZl56bZK3sHxzvGmZgaGuoaW
        FuZKCnmJuam2Si4+AbpumTlAlykplCXmlAKFAhKLi5X07WyK8ktLUhUy8otLbJWiDQ2N9AwN
        zPWMjIz0TIxirYxMgUoSUjMWzfjPUrCBpaLv4wGmBsZ1zF2MnBwSAiYS7acnQdliEhfurWcD
        sYUEdjBKzFkv3cXIBWR/ZpS4vmoDC0zDr99f2SESGxgl/r3cyAiSEBYIlFh67xkriM0moCPx
        7f1psEkiAuoSs0/eYQZpYBZoY5I4N+cEWIJTwF7i0MczYA3MApoSrdt/A03l4GARUJXYtMUG
        JMwrYCqxtreNGSTMKyAo8XeHMMQN2hLrGs6wQHTKS2x/OwdsvITALnaJTTtugtVLCMhKbDoA
        9ZiLRMfVbnYIW1ji1fEtULaUxKsd16B6mxkl5m5rhnpyAqPEytZSCNte4sCVOVDL+CQ6Dv9l
        h5jPK9HRJgRhekhsWiUCUe0o0bvqIDMkeM4ySpzuPMU+gVFuFpInZyF8MwvJBwsYmVcxiqUW
        FOempxYbFRjrFSfmFpfmpesl5+duYgQnRC33HYzbzvkcYhTgYFTi4dVo648QYk0sK67MPcQo
        wcGsJMKb7zchQog3JbGyKrUoP76oNCe1+BCjKTBMJzJLiSbnA5N1Xkm8oYmZoYmRiYG5mYWF
        iZI477911hFCAumJJanZqakFqUUwfUwcnFINjC5KRxf/UfbfvtDdrOrYuocXtNKeLAgvWuCV
        84/jdP+Kyk17N9ZKvhR8c5PZo9d7BlejpY701u0vFOXyOs65F0kbliv3ltfUGX/sYJV1quBX
        XdS5gXvHn2fq5z6mLVh9tcLS3DzjgO/G+9u5zns/65rJKLZA/6t3W6+zbFN3fnxA8uvvGj3p
        SizFGYmGWsxFxYkA02kkXp4DAAA=
X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrBIsWRmVeSWpSXmKPExsWSnRNsqHsiakKEwaHJ2ha31p1jtTiy9iqT
        xcwT7awW589vYLc42/SG3WLT42usFpd3zWGz6NmwldVi7ZG77BbLNv1hsli09Qu7A7fHplWd
        bB6bl9R79G1ZxejxeZOcx5UjjewBrFFuNhmpiSmpRQqpecn5KZl56bZKoSFuuhZKCnmJuam2
        ShG6viFBSgpliTmlQJ6RARpwcA5wD1bSt0twy1g04z9LwQaWir6PB5gaGNcxdzFyckgImEj8
        +v2VHcIWk7hwbz1bFyMXh5DAOkaJLU/XgxUJCwRKLL33jBXEZhPQkfj2/jQbiC0ioC4x++Qd
        ZpAGZoFGJomVjyeCNXAK2Esc+niGFWLSJUaJbatvMIIkmAU0JVq3/wZax8HBIqAqsWmLDUiY
        V8BUYm1vGzNImFdAUOLvDmGIg7Ql1jWcYYHolJfY/nYO8wRG/llIBs1C6JiFpGoBI/MqRrHU
        guLc9NziAgMjveLE3OLSvHS95PzcTYzAWNt2WEl8B+OsFV6HGAU4GJV4eBO290cIsSaWFVfm
        HmKU4GBWEuHN95sQIcSbklhZlVqUH19UmpNafIjRFOjuicxSosn5wDSQVxJvaGJqYWFhYmls
        bGxhoiTOGzv9WbiQQHpiSWp2ampBahFMHxMHp1QD46LZsksUZ+ifXhwXfPz05zAtXj+PJAe+
        TA6holsz+oyFrdSLViq97Nbe+O7L+TqZ9ctc7khF/ffWXzc3K+hI92yvTdeWB198mcExy2P2
        P9FVPkvO5HFzJ9XZqIu7LrNW2LR9Rg4jf/3GvzcVCs29lU1PpubaBR269ZV5UpJnpH9CJdvr
        Z8eSlViKMxINtZiLihMB9EQqGcsCAAA=
X-MTR: 20000000000000000@CPGS
X-CMS-MailID: 20170131093712epcas2p20a7de69db460ea3684557cbae3969faa
X-Msg-Generator: CA
X-Sender-IP: 182.195.34.23
X-Local-Sender: =?UTF-8?B?U21pdGhhIFQgTXVydGh5G1NTSVItVHVybiBLZXkgU29sdXRp?=
        =?UTF-8?B?b25zG+yCvOyEseyghOyekBtMZWFkIEVuZ2luZWVy?=
X-Global-Sender: =?UTF-8?B?U21pdGhhIFQgTXVydGh5G1NTSVItVHVybiBLZXkgU29sdXRp?=
        =?UTF-8?B?b25zG1NhbXN1bmcgRWxlY3Ryb25pY3MbTGVhZCBFbmdpbmVlcg==?=
X-Sender-Code: =?UTF-8?B?QzEwG1NXQUhRG0MxMElEMDdJRDAxMDk5Nw==?=
CMS-TYPE: 102P
DLP-Filter: Pass
X-CFilter-Loop: Reflected
X-HopCount: 7
X-CMS-RootMailID: 20170118094212epcas5p22e588016d2b330dcd0b99b6e1012c744
X-RootMTR: 20170118094212epcas5p22e588016d2b330dcd0b99b6e1012c744
References: <CGME20170118094212epcas5p22e588016d2b330dcd0b99b6e1012c744@epcas5p2.samsung.com>
 <1484732223-24670-1-git-send-email-smitha.t@samsung.com>
 <de7bbdbf-35cc-a575-79d1-2ec5764469a5@samsung.com>
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Wed, 2017-01-18 at 15:37 +0100, Andrzej Hajda wrote: 
> Hi Smitha,
> 
> On 18.01.2017 10:37, Smitha T Murthy wrote:
> > >From MFCv6 onwards encoder stream buffer and decoder CPB buffer
> 
> Unexpected char at the beginning.
> 
> > need to be aligned with 512.
> 
> Patch below adds checks only if buffer size is multiple of 512, am I right?
> If yes, please precise the subject, for example "...CPB buffer size need
> to be...".
> 

Thank you for the review, after further analysis I found this patch is
not required. So I will drop it.