linux-kernel - Re: [PATCH 1/3] media: rkvdec: Fix H264 scaling list order

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Date:   Sat, 18 Jul 2020 07:54:07 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Jonas Karlman <jonas@...boo.se>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Nicolas Dufresne <nicolas.dufresne@...labora.com>
Subject: Re: [PATCH 1/3] media: rkvdec: Fix H264 scaling list order

Em Sat, 18 Jul 2020 07:05:54 +0200
Mauro Carvalho Chehab <mchehab+huawei@...nel.org> escreveu:

> From: Jonas Karlman <jonas@...boo.se>
> 
> The Rockchip Video Decoder driver is expecting that the values in a
> scaling list are in zig-zag order and applies the inverse scanning process
> to get the values in matrix order.
> 
> Commit 0b0393d59eb4 ("media: uapi: h264: clarify expected
> scaling_list_4x4/8x8 order") clarified that the values in the scaling list
> should already be in matrix order.
> 
> Fix this by removing the reordering and change to use two memcpy.

Please ignore this one. This patch is already merged, and it is
not related to the 2 atomisp patches on this short series.

Thanks,
Mauro