[PATCH v4, 21/33] drm/mediatek: add function to background color input select for ovl/ovl_2l direct link

[CK Hu]

Hi, Yongqiang:

On Tue, 2019-07-09 at 06:34 +0800, yongqiang.niu at mediatek.com wrote:
> From: Yongqiang Niu <yongqiang.niu at mediatek.com>
> 
> This patch add function to background color input select for ovl/ovl_2l direct link
> for ovl/ovl_2l direct link usecase, we need set background color
> input select for these hardware.
> this is preparation patch for ovl/ovl_2l usecase
> 

Reviewed-by: CK Hu <ck.hu at mediatek.com>

> Signed-off-by: Yongqiang Niu <yongqiang.niu at mediatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> index a0ea8c9..ec6f329a 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> @@ -92,6 +92,8 @@ struct mtk_ddp_comp_funcs {
>  			     struct mtk_plane_state *state);
>  	void (*gamma_set)(struct mtk_ddp_comp *comp,
>  			  struct drm_crtc_state *state);
> +	void (*bgclr_in_on)(struct mtk_ddp_comp *comp);
> +	void (*bgclr_in_off)(struct mtk_ddp_comp *comp);
>  };
>  
>  struct mtk_ddp_comp {
> @@ -172,6 +174,18 @@ static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
>  		comp->funcs->gamma_set(comp, state);
>  }
>  
> +static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
> +{
> +	if (comp->funcs && comp->funcs->bgclr_in_on)
> +		comp->funcs->bgclr_in_on(comp);
> +}
> +
> +static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
> +{
> +	if (comp->funcs && comp->funcs->bgclr_in_off)
> +		comp->funcs->bgclr_in_off(comp);
> +}
> +
>  int mtk_ddp_comp_get_id(struct device_node *node,
>  			enum mtk_ddp_comp_type comp_type);
>  int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,