linux-kernel - Re: [PATCH v4 2/4] gpu: ipu-v3: ipu-ic: Simplify selection of encoding matrix

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Message-ID: <1549879210.7687.4.camel@pengutronix.de>
Date:   Mon, 11 Feb 2019 11:00:10 +0100
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Steve Longerbeam <slongerbeam@...il.com>,
        linux-media@...r.kernel.org
Cc:     Tim Harvey <tharvey@...eworks.com>,
        "open list:DRM DRIVERS FOR FREESCALE IMX" 
        <dri-devel@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 2/4] gpu: ipu-v3: ipu-ic: Simplify selection of
 encoding matrix

On Fri, 2019-02-08 at 17:47 -0800, Steve Longerbeam wrote:
> Simplify the selection of the Y'CbCr encoding matrices in init_csc().
> A side-effect of this change is that init_csc() now allows YUV->YUV
> using the identity matrix, intead of returning error.
> 
> Signed-off-by: Steve Longerbeam <slongerbeam@...il.com>

Note that this only works if both YUV encodings have the same range.

regards
Philipp