[PATCH 05/28] drm: Add support for 3x3 CTM

[Pekka Paalanen]

On Tue, 13 Feb 2024 12:18:12 +0530
Uma Shankar <uma.shankar at intel.com> wrote:

> From: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>
> 
> Add support for 3x3 Color Transformation Matrices in Color Pipeline.
> 
> Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>
> Signed-off-by: Uma Shankar <uma.shankar at intel.com>
> ---
>  drivers/gpu/drm/drm_atomic_uapi.c | 3 +++
>  drivers/gpu/drm/drm_colorop.c     | 2 +-
>  include/uapi/drm/drm_mode.h       | 1 +
>  3 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
> index e7bf1fb054af..c54b0d6c133e 100644
> --- a/drivers/gpu/drm/drm_atomic_uapi.c
> +++ b/drivers/gpu/drm/drm_atomic_uapi.c
> @@ -716,6 +716,9 @@ static int drm_atomic_color_set_data_property(struct drm_colorop *colorop,
>  	case DRM_COLOROP_CTM_3X4:
>  		size = sizeof(struct drm_color_ctm_3x4);
>  		break;
> +	case DRM_COLOROP_CTM_3X3:
> +		size = sizeof(struct drm_color_ctm);
> +		break;
>  	default:
>  		/* should never get here */
>  		return -EINVAL;
> diff --git a/drivers/gpu/drm/drm_colorop.c b/drivers/gpu/drm/drm_colorop.c
> index 462ffec42cdf..6bae6dc8e54b 100644
> --- a/drivers/gpu/drm/drm_colorop.c
> +++ b/drivers/gpu/drm/drm_colorop.c
> @@ -107,7 +107,7 @@ int drm_colorop_init(struct drm_device *dev, struct drm_colorop *colorop,
>  				   0);
>  
>  	/* data */
> -	if (type == DRM_COLOROP_CTM_3X4) {
> +	if (type == DRM_COLOROP_CTM_3X4 || type == DRM_COLOROP_CTM_3X3) {
>  		prop = drm_property_create(dev, DRM_MODE_PROP_ATOMIC | DRM_MODE_PROP_BLOB,
>  					   "DATA", 0);
>  		if (!prop)
> diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
> index f16318f1785f..68696253867e 100644
> --- a/include/uapi/drm/drm_mode.h
> +++ b/include/uapi/drm/drm_mode.h
> @@ -868,6 +868,7 @@ struct drm_color_lut {
>  
>  enum drm_colorop_type {
>  	DRM_COLOROP_1D_CURVE,
> +	DRM_COLOROP_CTM_3X3,
>  	DRM_COLOROP_CTM_3X4,
>  };
>  

Hi,

where are the docs for DRM_COLOROP_CTM_3X3?


Thanks,
pq
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