linux-kernel - Re: [PATCH 25/28] drm/mediatek: add DSI3 support for mutex

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Date:   Wed, 13 Jun 2018 15:22:58 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     Stu Hsieh <stu.hsieh@...iatek.com>
CC:     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>,
        <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <srv_heupstream@...iatek.com>
Subject: Re: [PATCH 25/28] drm/mediatek: add DSI3 support for mutex

Hi, Stu:

On Mon, 2018-06-11 at 11:26 +0800, Stu Hsieh wrote:
> This patch add the DSI3 support for mutex
> 
> Signed-off-by: Stu Hsieh <stu.hsieh@...iatek.com>

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

> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index 1e7e3872eccc..28dd8531a7de 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -78,6 +78,7 @@
>  #define MUTEX_SOF_DPI0			3
>  #define MUTEX_SOF_DPI1			4
>  #define MUTEX_SOF_DSI2			5
> +#define MUTEX_SOF_DSI3			6
>  
>  #define OVL0_MOUT_EN_COLOR0		0x1
>  #define OD_MOUT_EN_RDMA0		0x1
> @@ -387,6 +388,9 @@ void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex,
>  	case DDP_COMPONENT_DSI2:
>  		reg = MUTEX_SOF_DSI2;
>  		break;
> +	case DDP_COMPONENT_DSI3:
> +		reg = MUTEX_SOF_DSI3;
> +		break;
>  	case DDP_COMPONENT_DPI0:
>  		reg = MUTEX_SOF_DPI0;
>  		break;
> @@ -425,6 +429,7 @@ void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex,
>  	case DDP_COMPONENT_DSI0:
>  	case DDP_COMPONENT_DSI1:
>  	case DDP_COMPONENT_DSI2:
> +	case DDP_COMPONENT_DSI3:
>  	case DDP_COMPONENT_DPI0:
>  	case DDP_COMPONENT_DPI1:
>  		writel_relaxed(MUTEX_SOF_SINGLE_MODE,