Re: [PATCH v12 1/2] drm: Introduce new DRM_FORMAT_XYUV

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Fri, Nov 09, 2018 at 11:39:15AM +0200, 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.
> 
> v7: Added is_yuv field initialization according to latest
>     drm_fourcc format structure initialization changes.
> 
> v8: Edited commit message to be more clear about skl+, renamed
>     PLANE_CTL_FORMAT_AYUV to PLANE_CTL_FORMAT_XYUV as this format
>     doesn't support per-pixel alpha. Fixed minor code issues.
> 
> v9: Moved DRM format check to proper place in intel_framebuffer_init.
> 
> v10: Changed DRM_FORMAT_XYUV to be DRM_FORMAT_XYUV8888
> 
> v11: Fixed rebase conflict, caused by added new formats to drm-tip
>      meanwhile.
> 
> Reviewed-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@arm.com>
> Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>

Pushed this one to drm-misc-next. Thanks for the patch and review.

The i915 part won't apply properly in drm-misc-next, so we'll need
to wait until dinq and drm-misc-next are suitably aligned before
we push that one.

> ---
>  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 f523948c82b1..94d358eb0b8d 100644
> --- a/drivers/gpu/drm/drm_fourcc.c
> +++ b/drivers/gpu/drm/drm_fourcc.c
> @@ -237,6 +237,7 @@ const struct drm_format_info *__drm_format_info(u32 format)
>  		{ .format = DRM_FORMAT_X0L2,		.depth = 0,  .num_planes = 1,
>  		  .char_per_block = { 8, 0, 0 }, .block_w = { 2, 0, 0 }, .block_h = { 2, 0, 0 },
>  		  .hsub = 2, .vsub = 2, .is_yuv = true },
> +		{ .format = DRM_FORMAT_XYUV8888,		.depth = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .is_yuv = true },
>  	};
>  
>  	unsigned int i;
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index e7e48f1f4a74..0b44260a5ee9 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -151,6 +151,7 @@ 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_XYUV8888		fourcc_code('X', 'Y', 'U', 'V') /* [31:0] X:Y:Cb:Cr 8:8:8:8 little endian */
>  
>  /*
>   * packed YCbCr420 2x2 tiled formats
> -- 
> 2.17.1
> 
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-- 
Ville Syrjälä
Intel
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