Hi CK, Thanks for your comments. On Mon, 2016-06-13 at 13:56 +0800, CK Hu wrote: > Hi, YT: > > Some comments inline. > > On Thu, 2016-06-09 at 00:03 +0800, YT Shen wrote: > > This patch add support for the Mediatek MT2701 DISP subsystem. > > There is only one OVL engine in MT2701. > > > > Signed-off-by: YT Shen <yt.shen@xxxxxxxxxxxx> > > --- > > drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 6 ++++ > > drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 6 ++++ > > drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 42 +++++++++++++++++++++++++++ > > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 8 +++++ > > drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 2 ++ > > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 31 ++++++++++++++++++++ > > 6 files changed, 95 insertions(+) > > > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > > index eb5c05e..1da0a71 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > > +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > > @@ -286,11 +286,17 @@ static int mtk_disp_ovl_remove(struct platform_device *pdev) > > return 0; > > } > > > > +static const struct mtk_ddp_comp_driver_data mt2701_ovl_driver_data = { > > + .ovl = {0x0040, 1 << 12, 0} > > +}; > > + > > static const struct mtk_ddp_comp_driver_data mt8173_ovl_driver_data = { > > .ovl = {0x0f40, 0, 1 << 12} > > }; > > > > static const struct of_device_id mtk_disp_ovl_driver_dt_match[] = { > > + { .compatible = "mediatek,mt2701-disp-ovl", > > + .data = &mt2701_ovl_driver_data}, > > { .compatible = "mediatek,mt8173-disp-ovl", > > .data = &mt8173_ovl_driver_data}, > > {}, > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c > > index fb0db50..506a353 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c > > +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c > > @@ -225,11 +225,17 @@ static int mtk_disp_rdma_remove(struct platform_device *pdev) > > return 0; > > } > > > > +static const struct mtk_ddp_comp_driver_data mt2701_rdma_driver_data = { > > + .rdma_fifo_pseudo_size = SZ_4K, > > +}; > > + > > static const struct mtk_ddp_comp_driver_data mt8173_rdma_driver_data = { > > .rdma_fifo_pseudo_size = SZ_8K, > > }; > > > > static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = { > > + { .compatible = "mediatek,mt2701-disp-rdma", > > + .data = &mt2701_rdma_driver_data}, > > { .compatible = "mediatek,mt8173-disp-rdma", > > .data = &mt8173_rdma_driver_data}, > > {}, > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c > > index fa53806..7ab6986 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c > > @@ -32,6 +32,10 @@ > > #define DISP_REG_CONFIG_DISP_RDMA1_MOUT_EN 0x0c8 > > #define DISP_REG_CONFIG_MMSYS_CG_CON0 0x100 > > > > +#define DISP_REG_CONFIG_DISP_OVL_MOUT_EN 0x030 > > +#define DISP_REG_CONFIG_OUT_SEL 0x04c > > +#define DISP_REG_CONFIG_DSI_SEL 0x050 > > Align the digital value. OK. > > > + > > #define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n)) > > #define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n)) > > #define DISP_REG_MUTEX_RST(n) (0x28 + 0x20 * (n)) > > @@ -54,6 +58,13 @@ > > #define MT8173_MUTEX_MOD_DISP_PWM1 BIT(24) > > #define MT8173_MUTEX_MOD_DISP_OD BIT(25) > > > > +#define MT2701_MUTEX_MOD_DISP_OVL BIT(3) > > +#define MT2701_MUTEX_MOD_DISP_WDMA BIT(6) > > +#define MT2701_MUTEX_MOD_DISP_COLOR BIT(7) > > +#define MT2701_MUTEX_MOD_DISP_BLS BIT(9) > > +#define MT2701_MUTEX_MOD_DISP_RDMA0 BIT(10) > > +#define MT2701_MUTEX_MOD_DISP_RDMA1 BIT(12) > > + > > #define MUTEX_SOF_SINGLE_MODE 0 > > #define MUTEX_SOF_DSI0 1 > > #define MUTEX_SOF_DSI1 2 > > @@ -69,6 +80,10 @@ > > #define DPI0_SEL_IN_RDMA1 0x1 > > #define COLOR1_SEL_IN_OVL1 0x1 > > > > +#define OVL_MOUT_EN_RDMA 0x1 > > +#define BLS_TO_DSI_RDMA1_TO_DPI1 0x8 > > +#define DSI_SEL_IN_BLS 0x0 > > + > > struct mtk_disp_mutex { > > int id; > > bool claimed; > > @@ -82,6 +97,15 @@ struct mtk_ddp { > > const unsigned int *mutex_mod; > > }; > > > > +static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = { > > + [DDP_COMPONENT_BLS] = MT2701_MUTEX_MOD_DISP_BLS, > > + [DDP_COMPONENT_COLOR0] = MT2701_MUTEX_MOD_DISP_COLOR, > > + [DDP_COMPONENT_OVL0] = MT2701_MUTEX_MOD_DISP_OVL, > > + [DDP_COMPONENT_RDMA0] = MT2701_MUTEX_MOD_DISP_RDMA0, > > + [DDP_COMPONENT_RDMA1] = MT2701_MUTEX_MOD_DISP_RDMA1, > > + [DDP_COMPONENT_WDMA0] = MT2701_MUTEX_MOD_DISP_WDMA, > > +}; > > + > > static const unsigned int mt8173_mutex_mod[DDP_COMPONENT_ID_MAX] = { > > [DDP_COMPONENT_AAL] = MT8173_MUTEX_MOD_DISP_AAL, > > [DDP_COMPONENT_COLOR0] = MT8173_MUTEX_MOD_DISP_COLOR0, > > @@ -109,6 +133,9 @@ static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur, > > if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_COLOR0) { > > *addr = DISP_REG_CONFIG_DISP_OVL0_MOUT_EN; > > value = OVL0_MOUT_EN_COLOR0; > > + } 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) { > > *addr = DISP_REG_CONFIG_DISP_OD_MOUT_EN; > > value = OD_MOUT_EN_RDMA0; > > @@ -146,6 +173,9 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur, > > } else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) { > > *addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN; > > value = COLOR1_SEL_IN_OVL1; > > + } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) { > > + *addr = DISP_REG_CONFIG_DSI_SEL; > > + value = DSI_SEL_IN_BLS; > > } else { > > value = 0; > > } > > @@ -153,6 +183,15 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur, > > return value; > > } > > > > +static void mtk_ddp_sout_sel(void __iomem *config_regs, > > + enum mtk_ddp_comp_id cur, enum mtk_ddp_comp_id next) > > +{ > > + if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) { > > + writel_relaxed(BLS_TO_DSI_RDMA1_TO_DPI1, > > + config_regs + DISP_REG_CONFIG_OUT_SEL); > > + } > > Redundant parentheses. OK, I will remove the redundant. > > > +} > > + > > void mtk_ddp_add_comp_to_path(void __iomem *config_regs, > > enum mtk_ddp_comp_id cur, > > enum mtk_ddp_comp_id next) > > @@ -165,6 +204,8 @@ void mtk_ddp_add_comp_to_path(void __iomem *config_regs, > > writel_relaxed(reg, config_regs + addr); > > } > > > > + mtk_ddp_sout_sel(config_regs, cur, next); > > + > > value = mtk_ddp_sel_in(cur, next, &addr); > > if (value) { > > reg = readl_relaxed(config_regs + addr) | value; > > @@ -362,6 +403,7 @@ 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,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 4b4e449..87e0436 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c > > @@ -102,6 +102,7 @@ static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = { > > [MTK_DISP_PWM] = "pwm", > > [MTK_DISP_MUTEX] = "mutex", > > [MTK_DISP_OD] = "od", > > + [MTK_DISP_BLS] = "bls", > > }; > > > > struct mtk_ddp_comp_match { > > @@ -112,6 +113,7 @@ 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, NULL }, > > + [DDP_COMPONENT_BLS] = { MTK_DISP_BLS, 0, NULL }, > > [DDP_COMPONENT_COLOR0] = { MTK_DISP_COLOR, 0, &ddp_color }, > > [DDP_COMPONENT_COLOR1] = { MTK_DISP_COLOR, 1, &ddp_color }, > > [DDP_COMPONENT_DPI0] = { MTK_DPI, 0, NULL }, > > @@ -130,11 +132,17 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { > > [DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL }, > > }; > > > > +static const struct mtk_ddp_comp_driver_data mt2701_color_driver_data = { > > + .color_offset = 0x0f00, > > +}; > > + > > static const struct mtk_ddp_comp_driver_data mt8173_color_driver_data = { > > .color_offset = 0x0c00, > > }; > > > > static const struct of_device_id mtk_disp_color_driver_dt_match[] = { > > + { .compatible = "mediatek,mt2701-disp-color", > > + .data = &mt2701_color_driver_data}, > > { .compatible = "mediatek,mt8173-disp-color", > > .data = &mt8173_color_driver_data}, > > {}, > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > > index 53065c7..6e2d918 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h > > @@ -35,6 +35,7 @@ enum mtk_ddp_comp_type { > > MTK_DISP_PWM, > > MTK_DISP_MUTEX, > > MTK_DISP_OD, > > + MTK_DISP_BLS, > > MTK_DDP_COMP_TYPE_MAX, > > }; > > > > @@ -57,6 +58,7 @@ enum mtk_ddp_comp_id { > > DDP_COMPONENT_UFOE, > > DDP_COMPONENT_WDMA0, > > DDP_COMPONENT_WDMA1, > > + DDP_COMPONENT_BLS, > > DDP_COMPONENT_ID_MAX, > > }; > > > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > > index e9eb535..b4b66a7 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > > @@ -109,6 +109,19 @@ static const struct drm_mode_config_funcs mtk_drm_mode_config_funcs = { > > .atomic_commit = mtk_atomic_commit, > > }; > > > > +static const enum mtk_ddp_comp_id mt2701_mtk_ddp_main[] = { > > + DDP_COMPONENT_OVL0, > > + DDP_COMPONENT_RDMA0, > > + DDP_COMPONENT_COLOR0, > > + DDP_COMPONENT_BLS, > > + DDP_COMPONENT_DSI0, > > +}; > > + > > +static const enum mtk_ddp_comp_id mt2701_mtk_ddp_ext[] = { > > + DDP_COMPONENT_RDMA1, > > + DDP_COMPONENT_DPI0, > > +}; > > + > > static const enum mtk_ddp_comp_id mt8173_mtk_ddp_main[] = { > > DDP_COMPONENT_OVL0, > > DDP_COMPONENT_COLOR0, > > @@ -128,6 +141,14 @@ static const enum mtk_ddp_comp_id mt8173_mtk_ddp_ext[] = { > > DDP_COMPONENT_DPI0, > > }; > > > > +static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = { > > + .main_path = mt2701_mtk_ddp_main, > > + .main_len = ARRAY_SIZE(mt2701_mtk_ddp_main), > > + .ext_path = mt2701_mtk_ddp_ext, > > + .ext_len = ARRAY_SIZE(mt2701_mtk_ddp_ext), > > + .shadow_register = true, > > +}; > > + > > 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), > > @@ -332,18 +353,26 @@ static const struct component_master_ops mtk_drm_ops = { > > }; > > > > static const struct of_device_id mtk_ddp_comp_dt_ids[] = { > > + { .compatible = "mediatek,mt2701-disp-ovl", .data = (void *)MTK_DISP_OVL }, > > { .compatible = "mediatek,mt8173-disp-ovl", .data = (void *)MTK_DISP_OVL }, > > + { .compatible = "mediatek,mt2701-disp-rdma", .data = (void *)MTK_DISP_RDMA }, > > { .compatible = "mediatek,mt8173-disp-rdma", .data = (void *)MTK_DISP_RDMA }, > > + { .compatible = "mediatek,mt2701-disp-wdma", .data = (void *)MTK_DISP_WDMA }, > > { .compatible = "mediatek,mt8173-disp-wdma", .data = (void *)MTK_DISP_WDMA }, > > + { .compatible = "mediatek,mt2701-disp-color", .data = (void *)MTK_DISP_COLOR }, > > { .compatible = "mediatek,mt8173-disp-color", .data = (void *)MTK_DISP_COLOR }, > > { .compatible = "mediatek,mt8173-disp-aal", .data = (void *)MTK_DISP_AAL}, > > { .compatible = "mediatek,mt8173-disp-gamma", .data = (void *)MTK_DISP_GAMMA, }, > > { .compatible = "mediatek,mt8173-disp-ufoe", .data = (void *)MTK_DISP_UFOE }, > > + { .compatible = "mediatek,mt2701-dsi", .data = (void *)MTK_DSI }, > > { .compatible = "mediatek,mt8173-dsi", .data = (void *)MTK_DSI }, > > + { .compatible = "mediatek,mt2701-dpi", .data = (void *)MTK_DPI }, > > { .compatible = "mediatek,mt8173-dpi", .data = (void *)MTK_DPI }, > > + { .compatible = "mediatek,mt2701-disp-mutex", .data = (void *)MTK_DISP_MUTEX }, > > { .compatible = "mediatek,mt8173-disp-mutex", .data = (void *)MTK_DISP_MUTEX }, > > { .compatible = "mediatek,mt8173-disp-pwm", .data = (void *)MTK_DISP_PWM }, > > { .compatible = "mediatek,mt8173-disp-od", .data = (void *)MTK_DISP_OD }, > > + { .compatible = "mediatek,mt2701-disp-bls", .data = (void *)MTK_DISP_BLS }, > > { } > > }; > > > > @@ -515,6 +544,8 @@ static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend, > > mtk_drm_sys_resume); > > > > static const struct of_device_id mtk_drm_of_ids[] = { > > + { .compatible = "mediatek,mt2701-mmsys", > > + .data = &mt2701_mmsys_driver_data}, > > { .compatible = "mediatek,mt8173-mmsys", > > .data = &mt8173_mmsys_driver_data}, > > { } > > Regards, > CK > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html