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Date: Thu, 17 Dec 2020 17:03:51 +0800
From: Hsin-Yi Wang <hsinyi@...omium.org>
To: Yongqiang Niu <yongqiang.niu@...iatek.com>
Cc: CK Hu <ck.hu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>,
Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Mark Rutland <mark.rutland@....com>,
Devicetree List <devicetree@...r.kernel.org>,
David Airlie <airlied@...ux.ie>,
lkml <linux-kernel@...r.kernel.org>,
dri-devel <dri-devel@...ts.freedesktop.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@...ts.infradead.org>,
Daniel Vetter <daniel@...ll.ch>,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v8, 6/6] drm/mediatek: add support for mediatek SOC MT8183
On Thu, Dec 10, 2020 at 9:07 AM Yongqiang Niu
<yongqiang.niu@...iatek.com> wrote:
>
> This patch add support for mediatek SOC MT8183
> 1. add ovl private data
> 2. add rdma private data
> 3. add mutes private data
> 4. add main and external path module for crtc create
>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
> ---
> drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 18 ++++++++++++
> drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 6 ++++
> drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 47 ++++++++++++++++++++++++++++++++
> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 43 +++++++++++++++++++++++++++++
> 4 files changed, 114 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> index 28651bc..8cf9f3b 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> @@ -430,11 +430,29 @@ 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 0508392..86e77c2 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
> @@ -359,11 +359,17 @@ 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 014c1bb..60788c1 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -15,6 +15,8 @@
>
> #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))
> @@ -25,6 +27,18 @@
>
> #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
> @@ -74,6 +88,10 @@
> #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)
> +
>
> struct mtk_disp_mutex {
> int id;
> @@ -153,6 +171,20 @@ struct mtk_ddp {
> [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,
> @@ -163,6 +195,12 @@ struct mtk_ddp {
> [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,
> @@ -184,6 +222,13 @@ struct mtk_ddp {
> .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,
Tested on an mt8183 device, and get:
[ 10.014978] mediatek-ddp 14016000.mutex: Failed to get clock
[ 10.026441] mediatek-ddp: probe of 14016000.mutex failed with error -2
Since mt8183 mutex doesn't need clock, I think this should add
.no_clk = true,
> +};
> +
> struct mtk_disp_mutex *mtk_disp_mutex_get(struct device *dev, unsigned int id)
> {
> struct mtk_ddp *ddp = dev_get_drvdata(dev);
> @@ -402,6 +447,8 @@ 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_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 59c85c6..a7e9f88 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -131,6 +131,24 @@
> 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),
> @@ -163,6 +181,13 @@
> .ext_len = ARRAY_SIZE(mt8173_mtk_ddp_ext),
> };
>
> +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),
> +};
> +
> static int mtk_drm_kms_init(struct drm_device *drm)
> {
> struct mtk_drm_private *private = drm->dev_private;
> @@ -403,12 +428,20 @@ 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,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",
> @@ -417,22 +450,30 @@ 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",
> @@ -451,6 +492,8 @@ static void mtk_drm_unbind(struct device *dev)
> .data = &mt2712_mmsys_driver_data},
> { .compatible = "mediatek,mt8173-mmsys",
> .data = &mt8173_mmsys_driver_data},
> + { .compatible = "mediatek,mt8183-mmsys",
> + .data = &mt8183_mmsys_driver_data},
> { }
> };
>
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