Re: [PATCH v3 7/8] drm/mediatek: Add support for mediatek SOC MT2712

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Hi, CK:

On Fri, 2018-05-25 at 12:51 +0800, CK Hu wrote:
> Hi, Stu:
> 
> I've some inline comment.
> 
> On Fri, 2018-05-25 at 10:34 +0800, stu.hsieh@xxxxxxxxxxxx wrote:
> > From: Stu Hsieh <stu.hsieh@xxxxxxxxxxxx>
> > 
> > This patch add support for the Mediatek MT2712 DISP subsystem.
> > There are two OVL engine and three disp output in MT2712.
> > 
> > Signed-off-by: Stu Hsieh <stu.hsieh@xxxxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/mediatek/mtk_drm_ddp.c      | 46 +++++++++++++++++++++++++++--
> >  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c |  8 +++--
> >  drivers/gpu/drm/mediatek/mtk_drm_drv.c      | 42 ++++++++++++++++++++++++--
> >  drivers/gpu/drm/mediatek/mtk_drm_drv.h      |  7 +++--
> >  4 files changed, 94 insertions(+), 9 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> > index 0f568dd853d8..676726249ae0 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> > @@ -61,6 +61,24 @@
> >  #define MT8173_MUTEX_MOD_DISP_PWM1		24
> >  #define MT8173_MUTEX_MOD_DISP_OD		25
> >  
> > +#define MT2712_MUTEX_MOD_DISP_OVL0		11
> > +#define MT2712_MUTEX_MOD_DISP_OVL1		12
> > +#define MT2712_MUTEX_MOD_DISP_RDMA0		13
> > +#define MT2712_MUTEX_MOD_DISP_RDMA1		14
> > +#define MT2712_MUTEX_MOD_DISP_RDMA2		15
> > +#define MT2712_MUTEX_MOD_DISP_WDMA0		16
> > +#define MT2712_MUTEX_MOD_DISP_WDMA1		17
> > +#define MT2712_MUTEX_MOD_DISP_COLOR0		18
> > +#define MT2712_MUTEX_MOD_DISP_COLOR1		19
> > +#define MT2712_MUTEX_MOD_DISP_AAL0		20
> > +#define MT2712_MUTEX_MOD_DISP_UFOE		22
> > +#define MT2712_MUTEX_MOD_DISP_PWM0		23
> > +#define MT2712_MUTEX_MOD_DISP_PWM1		24
> > +#define MT2712_MUTEX_MOD_DISP_PWM2		10
> > +#define MT2712_MUTEX_MOD_DISP_OD0		25
> > +#define MT2712_MUTEX_MOD2_DISP_AAL1		33
> > +#define MT2712_MUTEX_MOD2_DISP_OD1		34
> 
> I would like this to be in the order by index.
OK

> 
> > +
> >  #define MT2701_MUTEX_MOD_DISP_OVL		3
> >  #define MT2701_MUTEX_MOD_DISP_WDMA		6
> >  #define MT2701_MUTEX_MOD_DISP_COLOR		7
> > @@ -75,6 +93,7 @@
> >  
> >  #define OVL0_MOUT_EN_COLOR0		0x1
> >  #define OD_MOUT_EN_RDMA0		0x1
> > +#define OD1_MOUT_EN_RDMA1		BIT(16)
> >  #define UFOE_MOUT_EN_DSI0		0x1
> >  #define COLOR0_SEL_IN_OVL0		0x1
> >  #define OVL1_MOUT_EN_COLOR1		0x1
> > @@ -109,12 +128,32 @@ static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = {
> >  	[DDP_COMPONENT_WDMA0] = MT2701_MUTEX_MOD_DISP_WDMA,
> >  };
> >  
> > +static const unsigned int mt2712_mutex_mod[DDP_COMPONENT_ID_MAX] = {
> > +	[DDP_COMPONENT_AAL0] = MT2712_MUTEX_MOD_DISP_AAL0,
> > +	[DDP_COMPONENT_AAL1] = MT2712_MUTEX_MOD2_DISP_AAL1,
> > +	[DDP_COMPONENT_COLOR0] = MT2712_MUTEX_MOD_DISP_COLOR0,
> > +	[DDP_COMPONENT_COLOR1] = MT2712_MUTEX_MOD_DISP_COLOR1,
> > +	[DDP_COMPONENT_OD0] = MT2712_MUTEX_MOD_DISP_OD0,
> > +	[DDP_COMPONENT_OD1] = MT2712_MUTEX_MOD2_DISP_OD1,
> > +	[DDP_COMPONENT_OVL0] = MT2712_MUTEX_MOD_DISP_OVL0,
> > +	[DDP_COMPONENT_OVL1] = MT2712_MUTEX_MOD_DISP_OVL1,
> > +	[DDP_COMPONENT_PWM0] = MT2712_MUTEX_MOD_DISP_PWM0,
> > +	[DDP_COMPONENT_PWM1] = MT2712_MUTEX_MOD_DISP_PWM1,
> > +	[DDP_COMPONENT_PWM2] = MT2712_MUTEX_MOD_DISP_PWM2,
> > +	[DDP_COMPONENT_RDMA0] = MT2712_MUTEX_MOD_DISP_RDMA0,
> > +	[DDP_COMPONENT_RDMA1] = MT2712_MUTEX_MOD_DISP_RDMA1,
> > +	[DDP_COMPONENT_RDMA2] = MT2712_MUTEX_MOD_DISP_RDMA2,
> > +	[DDP_COMPONENT_UFOE] = MT2712_MUTEX_MOD_DISP_UFOE,
> > +	[DDP_COMPONENT_WDMA0] = MT2712_MUTEX_MOD_DISP_WDMA0,
> > +	[DDP_COMPONENT_WDMA1] = MT2712_MUTEX_MOD_DISP_WDMA1,
> > +};
> > +
> >  static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = {
> > -	[DDP_COMPONENT_AAL] = MT8173_MUTEX_MOD_DISP_AAL,
> > +	[DDP_COMPONENT_AAL0] = MT8173_MUTEX_MOD_DISP_AAL,
> 
> Move this to the patch 'add ddp component AAL1'.
OK

> 
> >  	[DDP_COMPONENT_COLOR0] = MT8173_MUTEX_MOD_DISP_COLOR0,
> >  	[DDP_COMPONENT_COLOR1] = MT8173_MUTEX_MOD_DISP_COLOR1,
> >  	[DDP_COMPONENT_GAMMA] = MT8173_MUTEX_MOD_DISP_GAMMA,
> > -	[DDP_COMPONENT_OD] = MT8173_MUTEX_MOD_DISP_OD,
> > +	[DDP_COMPONENT_OD0] = MT8173_MUTEX_MOD_DISP_OD,
> 
> Move this to the patch 'add ddp component OD1'.
OK

> 
> >  	[DDP_COMPONENT_OVL0] = MT8173_MUTEX_MOD_DISP_OVL0,
> >  	[DDP_COMPONENT_OVL1] = MT8173_MUTEX_MOD_DISP_OVL1,
> >  	[DDP_COMPONENT_PWM0] = MT8173_MUTEX_MOD_DISP_PWM0,
> > @@ -139,7 +178,7 @@ static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur,
> >  	} else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_RDMA0) {
> >  		*addr = DISP_REG_CONFIG_DISP_OVL_MOUT_EN;
> >  		value = OVL_MOUT_EN_RDMA;
> > -	} else if (cur == DDP_COMPONENT_OD && next == DDP_COMPONENT_RDMA0) {
> > +	} else if (cur == DDP_COMPONENT_OD0 && next == DDP_COMPONENT_RDMA0) {
> 
> Move this to the patch 'add ddp component OD1'.
OK

> 
> >  		*addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN;
> >  		value = OD_MOUT_EN_RDMA0;
> >  	} else if (cur == DDP_COMPONENT_UFOE && next == DDP_COMPONENT_DSI0) {
> > @@ -429,6 +468,7 @@ static int mtk_ddp_remove(struct platform_device *pdev)
> >  
> >  static const struct of_device_id ddp_driver_dt_match[] = {
> >  	{ .compatible = "mediatek,mt2701-disp-mutex", .data = mt2701_mutex_mod},
> > +	{ .compatible = "mediatek,mt2712-disp-mutex", .data = mt2712_mutex_mod},
> >  	{ .compatible = "mediatek,mt8173-disp-mutex", .data = mt8173_mutex_mod},
> >  	{},
> >  };
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> > index 4672317e3ad1..86e8c9e5df41 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> > @@ -218,7 +218,8 @@ 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_AAL0]	= { MTK_DISP_AAL,	0, &ddp_aal },
> > +	[DDP_COMPONENT_AAL1]	= { MTK_DISP_AAL,	1, &ddp_aal },
> 
> Move this to the patch 'add ddp component AAL1'.
ok

> 
> >  	[DDP_COMPONENT_BLS]	= { MTK_DISP_BLS,	0, NULL },
> >  	[DDP_COMPONENT_COLOR0]	= { MTK_DISP_COLOR,	0, NULL },
> >  	[DDP_COMPONENT_COLOR1]	= { MTK_DISP_COLOR,	1, NULL },
> > @@ -226,10 +227,13 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = {
> >  	[DDP_COMPONENT_DSI0]	= { MTK_DSI,		0, NULL },
> >  	[DDP_COMPONENT_DSI1]	= { MTK_DSI,		1, NULL },
> >  	[DDP_COMPONENT_GAMMA]	= { MTK_DISP_GAMMA,	0, &ddp_gamma },
> > -	[DDP_COMPONENT_OD]	= { MTK_DISP_OD,	0, &ddp_od },
> > +	[DDP_COMPONENT_OD0]	= { MTK_DISP_OD,	0, &ddp_od },
> > +	[DDP_COMPONENT_OD1]	= { MTK_DISP_OD,	1, &ddp_od },
> 
> Move this to the patch 'add ddp component OD1'
ok

> 
> >  	[DDP_COMPONENT_OVL0]	= { MTK_DISP_OVL,	0, NULL },
> >  	[DDP_COMPONENT_OVL1]	= { MTK_DISP_OVL,	1, NULL },
> >  	[DDP_COMPONENT_PWM0]	= { MTK_DISP_PWM,	0, NULL },
> > +	[DDP_COMPONENT_PWM1]	= { MTK_DISP_PWM,	1, NULL },
> 
> Move this to the patch 'add ddp component PWM1'
ok, i would create the new patch for 'add ddp component PWM1'
> 
> > +	[DDP_COMPONENT_PWM2]	= { MTK_DISP_PWM,	2, NULL },
> 
> Move this to the patch 'add ddp component PWM2'
ok

> 
> >  	[DDP_COMPONENT_RDMA0]	= { MTK_DISP_RDMA,	0, NULL },
> >  	[DDP_COMPONENT_RDMA1]	= { MTK_DISP_RDMA,	1, NULL },
> >  	[DDP_COMPONENT_RDMA2]	= { MTK_DISP_RDMA,	2, NULL },
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> > index a2ca90fc403c..b32c4cc8d051 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> > @@ -146,11 +146,37 @@ static const enum mtk_ddp_comp_id mt2701_mtk_ddp_ext[] = {
> >  	DDP_COMPONENT_DPI0,
> >  };
> >  
> > +static const enum mtk_ddp_comp_id mt2712_mtk_ddp_main[] = {
> > +	DDP_COMPONENT_OVL0,
> > +	DDP_COMPONENT_COLOR0,
> > +	DDP_COMPONENT_AAL0,
> > +	DDP_COMPONENT_OD0,
> > +	DDP_COMPONENT_RDMA0,
> > +	DDP_COMPONENT_DPI0,
> > +	DDP_COMPONENT_PWM0,
> > +};
> > +
> > +static const enum mtk_ddp_comp_id mt2712_mtk_ddp_ext[] = {
> > +	DDP_COMPONENT_OVL1,
> > +	DDP_COMPONENT_COLOR1,
> > +	DDP_COMPONENT_AAL1,
> > +	DDP_COMPONENT_OD1,
> > +	DDP_COMPONENT_RDMA1,
> > +	DDP_COMPONENT_DPI1,
> > +	DDP_COMPONENT_PWM1,
> > +};
> > +
> > +static const enum mtk_ddp_comp_id mt2712_mtk_ddp_third[] = {
> > +	DDP_COMPONENT_RDMA2,
> > +	DDP_COMPONENT_DSI2,
> > +	DDP_COMPONENT_PWM2,
> > +};
> > +
> >  static const enum mtk_ddp_comp_id mt8173_mtk_ddp_main[] = {
> >  	DDP_COMPONENT_OVL0,
> >  	DDP_COMPONENT_COLOR0,
> > -	DDP_COMPONENT_AAL,
> > -	DDP_COMPONENT_OD,
> > +	DDP_COMPONENT_AAL0,
> 
> Move this to the patch 'add ddp component AAL1'.
ok

> 
> > +	DDP_COMPONENT_OD0,
> 
> Move this to the patch 'add ddp component OD1'
ok

> 
> >  	DDP_COMPONENT_RDMA0,
> >  	DDP_COMPONENT_UFOE,
> >  	DDP_COMPONENT_DSI0,
> > @@ -173,6 +199,15 @@ static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = {
> >  	.shadow_register = true,
> >  };
> >  
> > +static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = {
> > +	.main_path = mt2712_mtk_ddp_main,
> > +	.main_len = ARRAY_SIZE(mt2712_mtk_ddp_main),
> > +	.ext_path = mt2712_mtk_ddp_ext,
> > +	.ext_len = ARRAY_SIZE(mt2712_mtk_ddp_ext),
> > +	.third_path = mt2712_mtk_ddp_third,
> > +	.third_len = ARRAY_SIZE(mt2712_mtk_ddp_third),
> > +};
> > +
> >  static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
> >  	.main_path = mt8173_mtk_ddp_main,
> >  	.main_len = ARRAY_SIZE(mt8173_mtk_ddp_main),
> > @@ -374,6 +409,7 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
> >  	{ .compatible = "mediatek,mt8173-dsi",        .data = (void *)MTK_DSI },
> >  	{ .compatible = "mediatek,mt8173-dpi",        .data = (void *)MTK_DPI },
> >  	{ .compatible = "mediatek,mt2701-disp-mutex", .data = (void *)MTK_DISP_MUTEX },
> > +	{ .compatible = "mediatek,mt2712-disp-mutex", .data = (void *)MTK_DISP_MUTEX },
> >  	{ .compatible = "mediatek,mt8173-disp-mutex", .data = (void *)MTK_DISP_MUTEX },
> >  	{ .compatible = "mediatek,mt2701-disp-pwm",   .data = (void *)MTK_DISP_BLS },
> >  	{ .compatible = "mediatek,mt8173-disp-pwm",   .data = (void *)MTK_DISP_PWM },
> > @@ -552,6 +588,8 @@ static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend,
> >  static const struct of_device_id mtk_drm_of_ids[] = {
> >  	{ .compatible = "mediatek,mt2701-mmsys",
> >  	  .data = &mt2701_mmsys_driver_data},
> > +	{ .compatible = "mediatek,mt2712-mmsys",
> > +	  .data = &mt2712_mmsys_driver_data},
> >  	{ .compatible = "mediatek,mt8173-mmsys",
> >  	  .data = &mt8173_mmsys_driver_data},
> >  	{ }
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
> > index c3378c452c0a..e821342bc2d3 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
> > @@ -17,8 +17,8 @@
> >  #include <linux/io.h>
> >  #include "mtk_drm_ddp_comp.h"
> >  
> > -#define MAX_CRTC	2
> > -#define MAX_CONNECTOR	2
> > +#define MAX_CRTC	3
> > +#define MAX_CONNECTOR	3
> >  
> >  struct device;
> >  struct device_node;
> > @@ -33,6 +33,9 @@ struct mtk_mmsys_driver_data {
> >  	unsigned int main_len;
> >  	const enum mtk_ddp_comp_id *ext_path;
> >  	unsigned int ext_len;
> > +	enum mtk_ddp_comp_id *third_path;
> > +	unsigned int third_len;
> > +
> 
> Move this to the patch 'add third ddp path'.
ok
> 
> >  	bool shadow_register;
> >  };
> >  
> 
> Regards,
> CK
> 
> 


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