[PATCH 24/28] drm/mediatek: add DSI2 support for mutex

[CK Hu]

Hi, Stu:

On Mon, 2018-06-11 at 11:26 +0800, Stu Hsieh wrote:
> This patch add the DSI2 support for mutex
> 
> Signed-off-by: Stu Hsieh <stu.hsieh at mediatek.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 5916fc11693a..1e7e3872eccc 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -77,6 +77,7 @@
>  #define MUTEX_SOF_DSI1			2
>  #define MUTEX_SOF_DPI0			3
>  #define MUTEX_SOF_DPI1			4
> +#define MUTEX_SOF_DSI2			5
>  
>  #define OVL0_MOUT_EN_COLOR0		0x1
>  #define OD_MOUT_EN_RDMA0		0x1
> @@ -383,6 +384,9 @@ void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex,
>  	case DDP_COMPONENT_DSI1:
>  		reg = MUTEX_SOF_DSI0;
>  		break;
> +	case DDP_COMPONENT_DSI2:
> +		reg = MUTEX_SOF_DSI2;
> +		break;
>  	case DDP_COMPONENT_DPI0:
>  		reg = MUTEX_SOF_DPI0;
>  		break;
> @@ -420,6 +424,7 @@ void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex,
>  	switch (id) {
>  	case DDP_COMPONENT_DSI0:
>  	case DDP_COMPONENT_DSI1:
> +	case DDP_COMPONENT_DSI2:
>  	case DDP_COMPONENT_DPI0:
>  	case DDP_COMPONENT_DPI1:
>  		writel_relaxed(MUTEX_SOF_SINGLE_MODE,