[Intel-gfx] [PATCH] libdrm/fourcc: Add formats R8, RG88, GR88, NV24, NV42

[Hwang, Dongseong]

Hi Stéphane and Daniele,

Could you give me lgtm?
Daniel wants someone from client side to ack this change in order to land
it.

Kind Regards,
Dongseong

On Thu, Apr 21, 2016 at 7:02 PM, Dongseong Hwang <dongseong.hwang at intel.com>
wrote:

> Follow-up of kernel patch:
> https://lists.freedesktop.org/archives/dri-devel/2015-July/086041.html
>
> Generate it using `make headers_install`
>
> ChromeOS will use new format to optimize video decoding.
>
> CC: Stéphane Marchesin <marcheu at chromium.org>
> CC: Daniele Castagna <dcastagna at chromium.org>
> Cc: Rainer Hochecker <rainer.hochecker at onlinehome.de>
> Cc: Benjamin Widawsky <benjamin.widawsky at intel.com>
> CC: Chad Versace <chad.versace at intel.com>
> Signed-off-by: Dongseong Hwang <dongseong.hwang at intel.com>
> ---
>  include/drm/drm_fourcc.h | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h
> index e741b09..bf68099 100644
> --- a/include/drm/drm_fourcc.h
> +++ b/include/drm/drm_fourcc.h
> @@ -34,6 +34,13 @@
>  /* color index */
>  #define DRM_FORMAT_C8          fourcc_code('C', '8', ' ', ' ') /* [7:0] C
> */
>
> +/* 8 bpp Red */
> +#define DRM_FORMAT_R8          fourcc_code('R', '8', ' ', ' ') /* [7:0] 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 */
> +
>  /* 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 */
> @@ -106,6 +113,8 @@
>  #define DRM_FORMAT_NV21                fourcc_code('N', 'V', '2', '1') /*
> 2x2 subsampled Cb:Cr plane */
>  #define DRM_FORMAT_NV16                fourcc_code('N', 'V', '1', '6') /*
> 2x1 subsampled Cr:Cb plane */
>  #define DRM_FORMAT_NV61                fourcc_code('N', 'V', '6', '1') /*
> 2x1 subsampled Cb:Cr plane */
> +#define DRM_FORMAT_NV24                fourcc_code('N', 'V', '2', '4') /*
> non-subsampled Cr:Cb plane */
> +#define DRM_FORMAT_NV42                fourcc_code('N', 'V', '4', '2') /*
> non-subsampled Cb:Cr plane */
>
>  /*
>   * 3 plane YCbCr
> @@ -216,7 +225,7 @@
>   * - multiple of 128 pixels for the width
>   * - multiple of  32 pixels for the height
>   *
> - * For more information: see
> http://linuxtv.org/downloads/v4l-dvb-apis/re32.html
> + * For more information: see
> https://linuxtv.org/downloads/v4l-dvb-apis/re32.html
>   */
>  #define DRM_FORMAT_MOD_SAMSUNG_64_32_TILE      fourcc_mod_code(SAMSUNG, 1)
>
> --
> 2.5.0
>
>
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