linux-kernel - Re: [PATCH v11 05/12] drm/mediatek: add BLS component

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Date:   Tue, 17 Jan 2017 13:07:56 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     YT Shen <yt.shen@...iatek.com>
CC:     <dri-devel@...ts.freedesktop.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Rob Herring <robh+dt@...nel.org>,
        "Mark Rutland" <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <yingjoe.chen@...iatek.com>,
        <emil.l.velikov@...il.com>, <thierry.reding@...il.com>,
        Daniel Kurtz <djkurtz@...omium.org>
Subject: Re: [PATCH v11 05/12] drm/mediatek: add BLS component

Hi, YT:

On Wed, 2017-01-11 at 14:51 +0800, YT Shen wrote:
> Add BLS component for PWM + GAMMA function
> 
> Signed-off-by: YT Shen <yt.shen@...iatek.com>

Acked-by: CK Hu <ck.hu@...iatek.com>

> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 5 ++++-
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 2 ++
>  2 files changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index 3ff788c..f6e853a 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -255,6 +255,7 @@ static void mtk_gamma_set(struct mtk_ddp_comp *comp,
>  	[MTK_DISP_PWM] = "pwm",
>  	[MTK_DISP_MUTEX] = "mutex",
>  	[MTK_DISP_OD] = "od",
> +	[MTK_DISP_BLS] = "bls",
>  };
>  
>  struct mtk_ddp_comp_match {
> @@ -265,6 +266,7 @@ struct mtk_ddp_comp_match {
>  
>  static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = {
>  	[DDP_COMPONENT_AAL]	= { MTK_DISP_AAL,	0, &ddp_aal },
> +	[DDP_COMPONENT_BLS]	= { MTK_DISP_BLS,	0, NULL },
>  	[DDP_COMPONENT_COLOR0]	= { MTK_DISP_COLOR,	0, &ddp_color },
>  	[DDP_COMPONENT_COLOR1]	= { MTK_DISP_COLOR,	1, &ddp_color },
>  	[DDP_COMPONENT_DPI0]	= { MTK_DPI,		0, NULL },
> @@ -336,7 +338,8 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node,
>  	comp->id = comp_id;
>  	comp->funcs = funcs ?: mtk_ddp_matches[comp_id].funcs;
>  
> -	if (comp_id == DDP_COMPONENT_DPI0 ||
> +	if (comp_id == DDP_COMPONENT_BLS ||
> +	    comp_id == DDP_COMPONENT_DPI0 ||
>  	    comp_id == DDP_COMPONENT_DSI0 ||
>  	    comp_id == DDP_COMPONENT_PWM0) {
>  		comp->regs = NULL;
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> index 22a33ee..0828cf8 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> @@ -36,11 +36,13 @@ enum mtk_ddp_comp_type {
>  	MTK_DISP_PWM,
>  	MTK_DISP_MUTEX,
>  	MTK_DISP_OD,
> +	MTK_DISP_BLS,
>  	MTK_DDP_COMP_TYPE_MAX,
>  };
>  
>  enum mtk_ddp_comp_id {
>  	DDP_COMPONENT_AAL,
> +	DDP_COMPONENT_BLS,
>  	DDP_COMPONENT_COLOR0,
>  	DDP_COMPONENT_COLOR1,
>  	DDP_COMPONENT_DPI0,