linux-kernel - Re: Support for RGB/YUV 10, 12 BPC(bits per color/component) image data formats in kernel

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Message-ID: <20170603081817.GQ1019@valkosipuli.retiisi.org.uk>
Date:   Sat, 3 Jun 2017 11:18:17 +0300
From:   Sakari Ailus <sakari.ailus@....fi>
To:     Ajay kumar <ajaynumb@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        linux-media <linux-media@...r.kernel.org>
Subject: Re: Support for RGB/YUV 10, 12 BPC(bits per color/component) image
 data formats in kernel

Hi Ajay,

On Fri, Jun 02, 2017 at 06:38:53PM +0530, Ajay kumar wrote:
> Hi all,
> 
> I have tried searching for RGB/YUV 10, 12 BPC formats in videodev2.h,
> media-bus-format.h and drm_fourcc.h
> I could only find RGB 10BPC support in drm_fourcc.h.
> I guess not much support is present for formats with (BPC > 8) in the kernel.

What's "BPC"? Most YUV and RGB formats have only 8 bits per sample. More
format definitions may be added if there's a driver that makes use of them.

> 
> Are there any plans to add fourcc defines for such formats?
> Also, I wanted to how to define fourcc code for those formats?

-- 
Regards,

Sakari Ailus
e-mail: sakari.ailus@....fi	XMPP: sailus@...iisi.org.uk