[Intel-gfx] [PATCH v6 1/2] drm: Introduce new DRM_FORMAT_XYUV

[Juha-Pekka Heikkila]

On 28.08.2018 13:53, Stanislav Lisovskiy wrote:
> v5: This is YUV444 packed format same as AYUV, but without alpha,
>      as supported by i915.
> 
> v6: Removed unneeded initializer for new XYUV format.
> 
> Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>
> ---
>   drivers/gpu/drm/drm_fourcc.c  | 1 +
>   include/uapi/drm/drm_fourcc.h | 1 +
>   2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
> index 35c1e2742c27..81eb97d108f3 100644
> --- a/drivers/gpu/drm/drm_fourcc.c
> +++ b/drivers/gpu/drm/drm_fourcc.c
> @@ -173,6 +173,7 @@ const struct drm_format_info *__drm_format_info(u32 format)
>   		{ .format = DRM_FORMAT_UYVY,		.depth = 0,  .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
>   		{ .format = DRM_FORMAT_VYUY,		.depth = 0,  .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true },
>   		{ .format = DRM_FORMAT_AYUV,		.depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true, .is_yuv = true },
> +		{ .format = DRM_FORMAT_XYUV,		.depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },

I think you need to set is_yuv here to true

>   	};
>   
>   	unsigned int i;
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index 2ed46e9ae16a..5ba5b1473342 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -148,6 +148,7 @@ extern "C" {
>   #define DRM_FORMAT_VYUY		fourcc_code('V', 'Y', 'U', 'Y') /* [31:0] Y1:Cb0:Y0:Cr0 8:8:8:8 little endian */
>   
>   #define DRM_FORMAT_AYUV		fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
> +#define DRM_FORMAT_XYUV		fourcc_code('X', 'Y', 'U', 'V') /* [31:0] X:Y:Cb:Cr 8:8:8:8 little endian */
>   
>   /*
>    * 2 plane RGB + A
>