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Message-ID: <1563342828.29169.18.camel@mtksdaap41>
Subject: Re: [PATCH v4, 21/33] drm/mediatek: add function to background
 color input select for ovl/ovl_2l direct link
From:   CK Hu <ck.hu@mediatek.com>
To:     <yongqiang.niu@mediatek.com>
CC:     Philipp Zabel <p.zabel@pengutronix.de>,
        Rob Herring <robh+dt@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        "David Airlie" <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
        Mark Rutland <mark.rutland@arm.com>,
        <dri-devel@lists.freedesktop.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-mediatek@lists.infradead.org>
Date:   Wed, 17 Jul 2019 13:53:48 +0800
In-Reply-To: <1562625253-29254-22-git-send-email-yongqiang.niu@mediatek.com>
References: <1562625253-29254-1-git-send-email-yongqiang.niu@mediatek.com>
         <1562625253-29254-22-git-send-email-yongqiang.niu@mediatek.com>
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Sender: linux-kernel-owner@vger.kernel.org
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Hi, Yongqiang:

On Tue, 2019-07-09 at 06:34 +0800, yongqiang.niu@mediatek.com wrote:
> From: Yongqiang Niu <yongqiang.niu@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@mediatek.com>

> Signed-off-by: Yongqiang Niu <yongqiang.niu@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,