Hi, Yongqiang:
Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> 於 2021年1月7日 週四 上午11:12寫道：
>
> Add DDP support for MT8167 SoC.
>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 48 ++++++++++++++++++++++++++++++++++
> 1 file changed, 48 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index 1f99db6..1308046 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))
> @@ -38,6 +40,18 @@
> #define MT8167_MUTEX_MOD_DISP_DITHER 15
> #define MT8167_MUTEX_MOD_DISP_UFOE 16
>
> +#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
> @@ -89,6 +103,10 @@
> #define MT8167_MUTEX_SOF_DPI0 2
> #define MT8167_MUTEX_SOF_DPI1 3
>
> +#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;
> @@ -183,6 +201,20 @@ 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,
> @@ -200,6 +232,12 @@ struct mtk_ddp {
> [DDP_MUTEX_SOF_DPI1] = MT8167_MUTEX_SOF_DPI1,
> };
>
> +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,
According to discussion in [1], add comment for the odd EOF setting.
[1] https://patchwork.kernel.org/project/linux-mediatek/patch/1595469798-3824-8-git-send-email-yongqiang.niu@xxxxxxxxxxxx/
Regards,
Chun-Kuang.
> +};
> +
> static const struct mtk_ddp_data mt2701_ddp_driver_data = {
> .mutex_mod = mt2701_mutex_mod,
> .mutex_sof = mt2712_mutex_sof,
> @@ -229,6 +267,14 @@ 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,
> + .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);
> @@ -449,6 +495,8 @@ static int mtk_ddp_remove(struct platform_device *pdev)
> .data = &mt8167_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);
> --
> 1.8.1.1.dirty
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