Re: [PATCH] drm: add fourcc codes for 16bit R and GR

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Hi

On Mon, Jan 2, 2017 at 11:41 AM, Rainer Hochecker <fernetmenta@xxxxxxx> wrote:
> From: Rainer Hochecker <fernetmenta@xxxxxxxxx>
>
> Add fourcc codes for 16bit planes. Required by mesa for
> eglCreateImageKHR to access P010 surfaces created by vaapi.
>
> Signed-off-by: Rainer Hochecker <fernetmenta@xxxxxxxxx>
> ---
>  include/uapi/drm/drm_fourcc.h | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index a5890bf..e6ab638 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -41,10 +41,16 @@ 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 GR */
> +#define DRM_FORMAT_GR16                fourcc_code('G', 'R', '1', '6') /* [31:0] G:R 16:16 little endian */
> +

Shouldn't it be 'G', 'R', '3', '2'?

Also, please put dri-devel on CC.

Thanks
David

>  /* 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
>
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