Re: [PATCH v5, 32/32] drm/mediatek: add support for mediatek SOC MT8183
From: Matthias Brugger
Date: Thu May 21 2020 - 06:52:46 EST
On 29/08/2019 16:50, yongqiang.niu@xxxxxxxxxxxx wrote:
> From: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
>
> This patch add support for mediatek SOC MT8183
> 1.ovl_2l share driver with ovl
> 2.rdma1 share drive with rdma0, but fifo size is different
> 3.add mt8183 mutex private data, and mmsys private data
> 4.add mt8183 main and external path module for crtc create
>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
After a long time the mmsys problem is fixed [1], so pelase rebase your series
on linux-next and resend.
Thanks a lot!
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git/commit/?h=for-next&id=1f9adbc72824ff07bbffd776d8b51f91f5a82c18
> ---
> drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 18 +++++++++
> drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 27 ++++++++++++-
> drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 69 ++++++++++++++++++++++++++++++++
> drivers/gpu/drm/mediatek/mtk_drm_ddp.h | 1 +
> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 47 ++++++++++++++++++++++
> 5 files changed, 161 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> index 53f3883..94c80c2 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> @@ -373,11 +373,29 @@ static int mtk_disp_ovl_remove(struct platform_device *pdev)
> .fmt_rgb565_is_0 = true,
> };
>
> +static const struct mtk_disp_ovl_data mt8183_ovl_driver_data = {
> + .addr = DISP_REG_OVL_ADDR_MT8173,
> + .gmc_bits = 10,
> + .layer_nr = 4,
> + .fmt_rgb565_is_0 = true,
> +};
> +
> +static const struct mtk_disp_ovl_data mt8183_ovl_2l_driver_data = {
> + .addr = DISP_REG_OVL_ADDR_MT8173,
> + .gmc_bits = 10,
> + .layer_nr = 2,
> + .fmt_rgb565_is_0 = true,
> +};
> +
> 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},
> + { .compatible = "mediatek,mt8183-disp-ovl",
> + .data = &mt8183_ovl_driver_data},
> + { .compatible = "mediatek,mt8183-disp-ovl-2l",
> + .data = &mt8183_ovl_2l_driver_data},
> {},
> };
> MODULE_DEVICE_TABLE(of, mtk_disp_ovl_driver_dt_match);
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> index 9a6f0a2..24945fe 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> @@ -62,6 +62,7 @@ struct mtk_disp_rdma {
> struct mtk_ddp_comp ddp_comp;
> struct drm_crtc *crtc;
> const struct mtk_disp_rdma_data *data;
> + u32 fifo_size;
> };
>
> static inline struct mtk_disp_rdma *comp_to_rdma(struct mtk_ddp_comp *comp)
> @@ -130,10 +131,16 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width,
> unsigned int threshold;
> unsigned int reg;
> struct mtk_disp_rdma *rdma = comp_to_rdma(comp);
> + u32 rdma_fifo_size;
>
> rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0, 0xfff, width);
> rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_1, 0xfffff, height);
>
> + if (rdma->fifo_size)
> + rdma_fifo_size = rdma->fifo_size;
> + else
> + rdma_fifo_size = RDMA_FIFO_SIZE(rdma);
> +
> /*
> * Enable FIFO underflow since DSI and DPI can't be blocked.
> * Keep the FIFO pseudo size reset default of 8 KiB. Set the
> @@ -142,7 +149,7 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width,
> */
> threshold = width * height * vrefresh * 4 * 7 / 1000000;
> reg = RDMA_FIFO_UNDERFLOW_EN |
> - RDMA_FIFO_PSEUDO_SIZE(RDMA_FIFO_SIZE(rdma)) |
> + RDMA_FIFO_PSEUDO_SIZE(rdma_fifo_size) |
> RDMA_OUTPUT_VALID_FIFO_THRESHOLD(threshold);
> writel(reg, comp->regs + DISP_REG_RDMA_FIFO_CON);
> }
> @@ -284,6 +291,18 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
> return comp_id;
> }
>
> + if (of_find_property(dev->of_node, "mediatek,rdma_fifo_size", &ret)) {
> + ret = of_property_read_u32(dev->of_node,
> + "mediatek,rdma_fifo_size",
> + &priv->fifo_size);
> + if (ret) {
> + dev_err(dev, "Failed to get rdma fifo size\n");
> + return ret;
> + }
> +
> + priv->fifo_size *= SZ_1K;
> + }
> +
> ret = mtk_ddp_comp_init(dev, dev->of_node, &priv->ddp_comp, comp_id,
> &mtk_disp_rdma_funcs);
> if (ret) {
> @@ -328,11 +347,17 @@ static int mtk_disp_rdma_remove(struct platform_device *pdev)
> .fifo_size = SZ_8K,
> };
>
> +static const struct mtk_disp_rdma_data mt8183_rdma_driver_data = {
> + .fifo_size = 5 * SZ_1K,
> +};
> +
> 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},
> + { .compatible = "mediatek,mt8183-disp-rdma",
> + .data = &mt8183_rdma_driver_data},
> {},
> };
> MODULE_DEVICE_TABLE(of, mtk_disp_rdma_driver_dt_match);
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index 6a7cb15..9be6eae 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -33,19 +33,31 @@
> #define DISP_REG_CONFIG_DSI_SEL 0x050
> #define DISP_REG_CONFIG_DPI_SEL 0x064
>
> +#define MT8183_DISP_OVL0_MOUT_EN 0xf00
> #define MT8183_DISP_OVL0_2L_MOUT_EN 0xf04
> #define MT8183_DISP_OVL1_2L_MOUT_EN 0xf08
> #define MT8183_DISP_DITHER0_MOUT_EN 0xf0c
> #define MT8183_DISP_PATH0_SEL_IN 0xf24
> +#define MT8183_DISP_DSI0_SEL_IN 0xf2c
> +#define MT8183_DISP_DPI0_SEL_IN 0xf30
> +#define MT8183_DISP_RDMA0_SOUT_SEL_IN 0xf50
> +#define MT8183_DISP_RDMA1_SOUT_SEL_IN 0xf54
>
> #define OVL0_2L_MOUT_EN_DISP_PATH0 BIT(0)
> #define OVL1_2L_MOUT_EN_RDMA1 BIT(4)
> #define DITHER0_MOUT_IN_DSI0 BIT(0)
> #define DISP_PATH0_SEL_IN_OVL0_2L 0x1
> #define DSI0_SEL_IN_RDMA0 0x1
> +#define MT8183_DSI0_SEL_IN_RDMA1 0x3
> +#define MT8183_DPI0_SEL_IN_RDMA0 0x1
> +#define MT8183_DPI0_SEL_IN_RDMA1 0x2
> +#define MT8183_RDMA0_SOUT_COLOR0 0x1
> +#define MT8183_RDMA1_SOUT_DSI0 0x1
>
> #define MT2701_DISP_MUTEX0_MOD0 0x2c
> #define MT2701_DISP_MUTEX0_SOF0 0x30
> +#define MT8183_DISP_MUTEX0_MOD0 0x30
> +#define MT8183_DISP_MUTEX0_SOF0 0x2c
>
> #define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n))
> #define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n))
> @@ -56,6 +68,18 @@
>
> #define INT_MUTEX BIT(1)
>
> +#define MT8183_MUTEX_MOD_DISP_RDMA0 0
> +#define MT8183_MUTEX_MOD_DISP_RDMA1 1
> +#define MT8183_MUTEX_MOD_DISP_OVL0 9
> +#define MT8183_MUTEX_MOD_DISP_OVL0_2L 10
> +#define MT8183_MUTEX_MOD_DISP_OVL1_2L 11
> +#define MT8183_MUTEX_MOD_DISP_WDMA0 12
> +#define MT8183_MUTEX_MOD_DISP_COLOR0 13
> +#define MT8183_MUTEX_MOD_DISP_CCORR0 14
> +#define MT8183_MUTEX_MOD_DISP_AAL0 15
> +#define MT8183_MUTEX_MOD_DISP_GAMMA0 16
> +#define MT8183_MUTEX_MOD_DISP_DITHER0 17
> +
> #define MT8173_MUTEX_MOD_DISP_OVL0 11
> #define MT8173_MUTEX_MOD_DISP_OVL1 12
> #define MT8173_MUTEX_MOD_DISP_RDMA0 13
> @@ -105,6 +129,10 @@
> #define MUTEX_SOF_DSI2 5
> #define MUTEX_SOF_DSI3 6
>
> +#define MT8183_MUTEX_SOF_DPI0 2
> +#define MT8183_MUTEX_EOF_DSI0 (MUTEX_SOF_DSI0 << 6)
> +#define MT8183_MUTEX_EOF_DPI0 (MT8183_MUTEX_SOF_DPI0 << 6)
> +
> #define OVL0_MOUT_EN_COLOR0 0x1
> #define OD_MOUT_EN_RDMA0 0x1
> #define OD1_MOUT_EN_RDMA1 BIT(16)
> @@ -240,6 +268,20 @@ struct mtk_mmsys_reg_data {
> [DDP_COMPONENT_WDMA1] = MT8173_MUTEX_MOD_DISP_WDMA1,
> };
>
> +static const unsigned int mt8183_mutex_mod[DDP_COMPONENT_ID_MAX] = {
> + [DDP_COMPONENT_AAL0] = MT8183_MUTEX_MOD_DISP_AAL0,
> + [DDP_COMPONENT_CCORR] = MT8183_MUTEX_MOD_DISP_CCORR0,
> + [DDP_COMPONENT_COLOR0] = MT8183_MUTEX_MOD_DISP_COLOR0,
> + [DDP_COMPONENT_DITHER] = MT8183_MUTEX_MOD_DISP_DITHER0,
> + [DDP_COMPONENT_GAMMA] = MT8183_MUTEX_MOD_DISP_GAMMA0,
> + [DDP_COMPONENT_OVL0] = MT8183_MUTEX_MOD_DISP_OVL0,
> + [DDP_COMPONENT_OVL_2L0] = MT8183_MUTEX_MOD_DISP_OVL0_2L,
> + [DDP_COMPONENT_OVL_2L1] = MT8183_MUTEX_MOD_DISP_OVL1_2L,
> + [DDP_COMPONENT_RDMA0] = MT8183_MUTEX_MOD_DISP_RDMA0,
> + [DDP_COMPONENT_RDMA1] = MT8183_MUTEX_MOD_DISP_RDMA1,
> + [DDP_COMPONENT_WDMA0] = MT8183_MUTEX_MOD_DISP_WDMA0,
> +};
> +
> static const unsigned int mt2712_mutex_sof[DDP_MUTEX_SOF_DSI3 + 1] = {
> [DDP_MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
> [DDP_MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0,
> @@ -250,6 +292,12 @@ struct mtk_mmsys_reg_data {
> [DDP_MUTEX_SOF_DSI3] = MUTEX_SOF_DSI3,
> };
>
> +static const unsigned int mt8183_mutex_sof[DDP_MUTEX_SOF_DSI3 + 1] = {
> + [DDP_MUTEX_SOF_SINGLE_MODE] = MUTEX_SOF_SINGLE_MODE,
> + [DDP_MUTEX_SOF_DSI0] = MUTEX_SOF_DSI0 | MT8183_MUTEX_EOF_DSI0,
> + [DDP_MUTEX_SOF_DPI0] = MT8183_MUTEX_SOF_DPI0 | MT8183_MUTEX_EOF_DPI0,
> +};
> +
> static const struct mtk_ddp_data mt2701_ddp_driver_data = {
> .mutex_mod = mt2701_mutex_mod,
> .mutex_sof = mt2712_mutex_sof,
> @@ -271,6 +319,13 @@ struct mtk_mmsys_reg_data {
> .mutex_sof_reg = MT2701_DISP_MUTEX0_SOF0,
> };
>
> +static const struct mtk_ddp_data mt8183_ddp_driver_data = {
> + .mutex_mod = mt8183_mutex_mod,
> + .mutex_sof = mt8183_mutex_sof,
> + .mutex_mod_reg = MT8183_DISP_MUTEX0_MOD0,
> + .mutex_sof_reg = MT8183_DISP_MUTEX0_SOF0,
> +};
> +
> const struct mtk_mmsys_reg_data mt2701_mmsys_reg_data = {
> .ovl0_mout_en = DISP_REG_CONFIG_DISP_OVL_MOUT_EN,
> .dsi0_sel_in = DISP_REG_CONFIG_DSI_SEL,
> @@ -287,6 +342,18 @@ struct mtk_mmsys_reg_data {
> .dsi0_sel_in_rdma1 = DSI0_SEL_IN_RDMA1,
> };
>
> +const struct mtk_mmsys_reg_data mt8183_mmsys_reg_data = {
> + .ovl0_mout_en = MT8183_DISP_OVL0_MOUT_EN,
> + .rdma0_sout_sel_in = MT8183_DISP_RDMA0_SOUT_SEL_IN,
> + .rdma0_sout_color0 = MT8183_RDMA0_SOUT_COLOR0,
> + .rdma1_sout_sel_in = MT8183_DISP_RDMA1_SOUT_SEL_IN,
> + .rdma1_sout_dsi0 = MT8183_RDMA1_SOUT_DSI0,
> + .dpi0_sel_in = MT8183_DISP_DPI0_SEL_IN,
> + .dpi0_sel_in_rdma1 = MT8183_DPI0_SEL_IN_RDMA1,
> + .dsi0_sel_in = MT8183_DISP_DSI0_SEL_IN,
> + .dsi0_sel_in_rdma1 = MT8183_DSI0_SEL_IN_RDMA1,
> +};
> +
> static unsigned int mtk_ddp_mout_en(const struct mtk_mmsys_reg_data *data,
> enum mtk_ddp_comp_id cur,
> enum mtk_ddp_comp_id next,
> @@ -734,6 +801,8 @@ static int mtk_ddp_remove(struct platform_device *pdev)
> .data = &mt2712_ddp_driver_data},
> { .compatible = "mediatek,mt8173-disp-mutex",
> .data = &mt8173_ddp_driver_data},
> + { .compatible = "mediatek,mt8183-disp-mutex",
> + .data = &mt8183_ddp_driver_data},
> {},
> };
> MODULE_DEVICE_TABLE(of, ddp_driver_dt_match);
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp.h
> index c55cc63..b74d8b9 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.h
> @@ -15,6 +15,7 @@
>
> extern const struct mtk_mmsys_reg_data mt2701_mmsys_reg_data;
> extern const struct mtk_mmsys_reg_data mt8173_mmsys_reg_data;
> +extern const struct mtk_mmsys_reg_data mt8183_mmsys_reg_data;
> void mtk_ddp_add_comp_to_path(void __iomem *config_regs,
> const struct mtk_mmsys_reg_data *reg_data,
> enum mtk_ddp_comp_id cur,
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 2471ce9..a4346fe 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -184,6 +184,24 @@ static int mtk_atomic_commit(struct drm_device *drm,
> DDP_COMPONENT_DPI0,
> };
>
> +static const enum mtk_ddp_comp_id mt8183_mtk_ddp_main[] = {
> + DDP_COMPONENT_OVL0,
> + DDP_COMPONENT_OVL_2L0,
> + DDP_COMPONENT_RDMA0,
> + DDP_COMPONENT_COLOR0,
> + DDP_COMPONENT_CCORR,
> + DDP_COMPONENT_AAL0,
> + DDP_COMPONENT_GAMMA,
> + DDP_COMPONENT_DITHER,
> + DDP_COMPONENT_DSI0,
> +};
> +
> +static const enum mtk_ddp_comp_id mt8183_mtk_ddp_ext[] = {
> + DDP_COMPONENT_OVL_2L1,
> + DDP_COMPONENT_RDMA1,
> + 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),
> @@ -211,6 +229,14 @@ static int mtk_atomic_commit(struct drm_device *drm,
> .reg_data = &mt8173_mmsys_reg_data,
> };
>
> +static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
> + .main_path = mt8183_mtk_ddp_main,
> + .main_len = ARRAY_SIZE(mt8183_mtk_ddp_main),
> + .ext_path = mt8183_mtk_ddp_ext,
> + .ext_len = ARRAY_SIZE(mt8183_mtk_ddp_ext),
> + .reg_data = &mt8183_mmsys_reg_data,
> +};
> +
> static int mtk_drm_kms_init(struct drm_device *drm)
> {
> struct mtk_drm_private *private = drm->dev_private;
> @@ -409,12 +435,22 @@ static void mtk_drm_unbind(struct device *dev)
> .data = (void *)MTK_DISP_OVL },
> { .compatible = "mediatek,mt8173-disp-ovl",
> .data = (void *)MTK_DISP_OVL },
> + { .compatible = "mediatek,mt8183-disp-ovl",
> + .data = (void *)MTK_DISP_OVL },
> + { .compatible = "mediatek,mt8183-disp-ovl-2l",
> + .data = (void *)MTK_DISP_OVL_2L },
> { .compatible = "mediatek,mt2701-disp-rdma",
> .data = (void *)MTK_DISP_RDMA },
> { .compatible = "mediatek,mt8173-disp-rdma",
> .data = (void *)MTK_DISP_RDMA },
> + { .compatible = "mediatek,mt8183-disp-rdma",
> + .data = (void *)MTK_DISP_RDMA },
> + { .compatible = "mediatek,mt8183-disp-rdma1",
> + .data = (void *)MTK_DISP_RDMA },
> { .compatible = "mediatek,mt8173-disp-wdma",
> .data = (void *)MTK_DISP_WDMA },
> + { .compatible = "mediatek,mt8183-disp-ccorr",
> + .data = (void *)MTK_DISP_CCORR },
> { .compatible = "mediatek,mt2701-disp-color",
> .data = (void *)MTK_DISP_COLOR },
> { .compatible = "mediatek,mt8173-disp-color",
> @@ -423,22 +459,30 @@ static void mtk_drm_unbind(struct device *dev)
> .data = (void *)MTK_DISP_AAL},
> { .compatible = "mediatek,mt8173-disp-gamma",
> .data = (void *)MTK_DISP_GAMMA, },
> + { .compatible = "mediatek,mt8183-disp-dither",
> + .data = (void *)MTK_DISP_DITHER },
> { .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,mt8183-dsi",
> + .data = (void *)MTK_DSI },
> { .compatible = "mediatek,mt2701-dpi",
> .data = (void *)MTK_DPI },
> { .compatible = "mediatek,mt8173-dpi",
> .data = (void *)MTK_DPI },
> + { .compatible = "mediatek,mt8183-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,mt8183-disp-mutex",
> + .data = (void *)MTK_DISP_MUTEX },
> { .compatible = "mediatek,mt2701-disp-pwm",
> .data = (void *)MTK_DISP_BLS },
> { .compatible = "mediatek,mt8173-disp-pwm",
> @@ -514,6 +558,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
> */
> if (comp_type == MTK_DISP_COLOR ||
> comp_type == MTK_DISP_OVL ||
> + comp_type == MTK_DISP_OVL_2L ||
> comp_type == MTK_DISP_RDMA ||
> comp_type == MTK_DSI ||
> comp_type == MTK_DPI) {
> @@ -613,6 +658,8 @@ static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend,
> .data = &mt2712_mmsys_driver_data},
> { .compatible = "mediatek,mt8173-mmsys",
> .data = &mt8173_mmsys_driver_data},
> + { .compatible = "mediatek,mt8183-display",
> + .data = &mt8183_mmsys_driver_data},
> { }
> };
>
>