Re: [PATCH 15/28] drm/mediatek: add connection from RDMA1 to DSI1

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Hi, Stu:

On Wed, 2018-06-13 at 14:44 +0800, CK Hu wrote:
> Hi, Stu:
> 
> On Mon, 2018-06-11 at 11:26 +0800, Stu Hsieh wrote:
> > This patch add the connection from RDMA1 to DSI1
> > 
> > Signed-off-by: Stu Hsieh <stu.hsieh@xxxxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 9 +++++++++
> >  1 file changed, 9 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> > index 4abd5dabeccf..7e4ad5580cf6 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> > @@ -28,6 +28,7 @@
> >  #define DISP_REG_CONFIG_DISP_UFOE_MOUT_EN	0x050
> >  #define DISP_REG_CONFIG_DISP_COLOR0_SEL_IN	0x084
> >  #define DISP_REG_CONFIG_DISP_COLOR1_SEL_IN	0x088
> > +#define DISP_REG_CONFIG_DSIO_SEL_IN		0x0a8
> >  #define DISP_REG_CONFIG_DPI_SEL_IN		0x0ac
> >  #define DISP_REG_CONFIG_DISP_RDMA0_MOUT_EN	0x0c4
> >  #define DISP_REG_CONFIG_DISP_RDMA1_MOUT_EN	0x0c8
> > @@ -84,10 +85,12 @@
> >  #define RDMA0_MOUT_DPI0			0x2
> >  #define RDMA0_MOUT_DSI2			0x4
> >  #define RDMA0_MOUT_DSI3			0x5
> > +#define RDMA1_MOUT_DSI1			0x1
> >  #define RDMA1_MOUT_DPI0			0x2
> >  #define RDMA1_MOUT_DPI1			0x3
> >  #define DPI0_SEL_IN_RDMA1		0x1
> >  #define DPI1_SEL_IN_RDMA1		(0x1 << 8)
> > +#define DSI1_SEL_IN_RDMA1		0x1
> >  #define COLOR1_SEL_IN_OVL1		0x1
> >  
> >  #define OVL_MOUT_EN_RDMA		0x1
> > @@ -170,6 +173,9 @@ static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur,
> >  	} else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI3) {
> >  		*addr = DISP_REG_CONFIG_DISP_RDMA0_MOUT_EN;
> >  		value = RDMA0_MOUT_DSI3;
> > +	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
> > +		*addr = DISP_REG_CONFIG_DISP_RDMA1_MOUT_EN;
> > +		value = RDMA1_MOUT_DSI1;
> >  	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
> >  		*addr = DISP_REG_CONFIG_DISP_RDMA1_MOUT_EN;
> >  		value = RDMA1_MOUT_DPI0;
> > @@ -198,6 +204,9 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur,
> >  	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
> >  		*addr = DISP_REG_CONFIG_DPI_SEL_IN;
> >  		value = DPI1_SEL_IN_RDMA1;
> > +	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
> > +		*addr = DISP_REG_CONFIG_DSIO_SEL_IN;
> 
> Does data sheet use the naming 'DSI0'? You use this register to select
> DSI1 input.

This is DSIO not DSI0, so it's OK for me.

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

> 
> Regards,
> CK
> 
> > +		value = DSI1_SEL_IN_RDMA1;
> >  	} else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
> >  		*addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN;
> >  		value = COLOR1_SEL_IN_OVL1;
> 


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