linux-kernel - Re: [PATCH v4] drm: add fourcc codes for 16bit R and RG

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Message-ID: <20170104180442.GA336@imgtec.com>
Date:   Wed, 4 Jan 2017 18:04:42 +0000
From:   Eric Engestrom <eric.engestrom@...tec.com>
To:     Rainer Hochecker <fernetmenta@...i.tv>
CC:     <ville.syrjala@...ux.intel.com>, <ben@...dawsk.net>,
        <intel-gfx@...ts.freedesktop.org>, <daniel@...ll.ch>,
        <fernetmenta@...ine.de>, <linux-kernel@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>, <jani.nikula@...ux.intel.com>
Subject: Re: [PATCH v4] drm: add fourcc codes for 16bit R and RG

On Wednesday, 2017-01-04 14:50:02 +0100, Rainer Hochecker wrote:
> From: Rainer Hochecker <fernetmenta@...ine.de>
> 
> Signed-off-by: Rainer Hochecker <fernetmenta@...ine.de>
> ---
>  include/uapi/drm/drm_fourcc.h | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index a5890bf..4d65fb6 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -41,10 +41,17 @@ extern "C" {
>  /* 8 bpp Red */
>  #define DRM_FORMAT_R8		fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
>  
> +/* 16 bpp Red */
> +#define DRM_FORMAT_R16		fourcc_code('R', '1', '6', ' ') /* [15:0] R */
> +
>  /* 16 bpp RG */
>  #define DRM_FORMAT_RG88		fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
>  #define DRM_FORMAT_GR88		fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
>  
> +/* 32 bpp RG */
> +#define DRM_FORMAT_RG1616	fourcc_code('R', 'G', '3', '2') /* [31:0] G:R 16:16 little endian */

Comment above is still wrong: s/G:R/R:G/ :)

> +#define DRM_FORMAT_GR1616	fourcc_code('G', 'R', '3', '2') /* [31:0] G:R 16:16 little endian */
> +
>  /* 8 bpp RGB */
>  #define DRM_FORMAT_RGB332	fourcc_code('R', 'G', 'B', '8') /* [7:0] R:G:B 3:3:2 */
>  #define DRM_FORMAT_BGR233	fourcc_code('B', 'G', 'R', '8') /* [7:0] B:G:R 2:3:3 */
> -- 
> 2.9.3
>