Re: [PATCH 1/3] drm: drm_fourcc: add Samsung 16x16 tile format

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2018년 08월 10일 22:28에 Marek Szyprowski 이(가) 쓴 글:
> From: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
> 
> Add modifier for tiled formats used by graphics modules found in Samsung
> Exynos5250/542x/5433 SoCs. This is a simple tiled layout using tiles
> of 16x16 pixels in a row-major layout.

Reviewed-by: Inki Dae <inki.dae@xxxxxxxxxxx>

Thanks,
Inki Dae

> 
> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> ---
>  include/uapi/drm/drm_fourcc.h | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index 721ab7e54d96..5631b196c07a 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -299,6 +299,15 @@ extern "C" {
>   */
>  #define DRM_FORMAT_MOD_SAMSUNG_64_32_TILE	fourcc_mod_code(SAMSUNG, 1)
>  
> +/*
> + * Tiled, 16 (pixels) x 16 (lines) - sized macroblocks
> + *
> + * This is a simple tiled layout using tiles of 16x16 pixels in a row-major
> + * layout. For YCbCr formats Cb/Cr components are taken in such a way that
> + * they correspond to their 16x16 luma block.
> + */
> +#define DRM_FORMAT_MOD_SAMSUNG_16_16_TILE	fourcc_mod_code(SAMSUNG, 2)
> +
>  /*
>   * Qualcomm Compressed Format
>   *
> 



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