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

From: Stu Hsieh
Date: Fri May 25 2018 - 08:00:07 EST

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In reply to: CK Hu: "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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