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SubjectRe: [PATCH] soc: mediatek: mmsys: Add mt8183 mmsys routing table
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Hi Hsin-Yi,

Thank you for your patch.

On 23/3/21 6:51, Hsin-Yi Wang wrote:
> mt8183 has different routing registers than mt8173.
>
> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>

I applied the patches on top of the mmsys routing patches and I have display
working on my Lenovo IdeaPad Duet. So

Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>

> ---
> This patch is based on series ("soc: mediatek: Prepare MMSYS for DDP routing using tables")[1]
> and tested with mt8183 krand and mt8183 juniper device.
> The register value is referenced from [2].
>
> [1] https://patchwork.kernel.org/project/linux-mediatek/cover/20210317181711.795245-1-enric.balletbo@collabora.com/
> [2] https://patchwork.kernel.org/project/linux-mediatek/patch/1609815993-22744-6-git-send-email-yongqiang.niu@mediatek.com/
> ---
> drivers/soc/mediatek/mtk-mmsys.c | 2 ++
> drivers/soc/mediatek/mtk-mmsys.h | 47 ++++++++++++++++++++++++++++++++
> 2 files changed, 49 insertions(+)
>
> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> index c46d8ab8b0c2..16bb55b0463a 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.c
> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> @@ -40,6 +40,8 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
>
> static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = {
> .clk_driver = "clk-mt8183-mm",
> + .routes = mmsys_mt8183_routing_table,
> + .num_routes = ARRAY_SIZE(mmsys_mt8183_routing_table),
> };
>
> struct mtk_mmsys {
> diff --git a/drivers/soc/mediatek/mtk-mmsys.h b/drivers/soc/mediatek/mtk-mmsys.h
> index a760a34e6eca..c55baf5932b8 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.h
> +++ b/drivers/soc/mediatek/mtk-mmsys.h
> @@ -66,6 +66,28 @@
> #define DPI_SEL_IN_BLS 0x0
> #define DSI_SEL_IN_RDMA 0x1
>
> +#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 MT8183_OVL0_MOUT_EN_OVL0_2L BIT(4)
> +#define MT8183_OVL0_2L_MOUT_EN_DISP_PATH0 BIT(0)
> +#define MT8183_OVL1_2L_MOUT_EN_RDMA1 BIT(4)
> +#define MT8183_DITHER0_MOUT_IN_DSI0 BIT(0)
> +#define MT8183_DISP_PATH0_SEL_IN_OVL0_2L 0x1
> +#define MT8183_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
> +
> struct mtk_mmsys_routes {
> u32 from_comp;
> u32 to_comp;
> @@ -212,4 +234,29 @@ static const struct mtk_mmsys_routes mmsys_default_routing_table[] = {
> }
> };
>
> +static const struct mtk_mmsys_routes mmsys_mt8183_routing_table[] = {
> + {
> + DDP_COMPONENT_OVL0, DDP_COMPONENT_OVL_2L0,
> + MT8183_DISP_OVL0_MOUT_EN, MT8183_OVL0_MOUT_EN_OVL0_2L
> + }, {
> + DDP_COMPONENT_OVL_2L0, DDP_COMPONENT_RDMA0,
> + MT8183_DISP_OVL0_2L_MOUT_EN, MT8183_OVL0_2L_MOUT_EN_DISP_PATH0
> + }, {
> + DDP_COMPONENT_OVL_2L1, DDP_COMPONENT_RDMA1,
> + MT8183_DISP_OVL1_2L_MOUT_EN, MT8183_OVL1_2L_MOUT_EN_RDMA1
> + }, {
> + DDP_COMPONENT_DITHER, DDP_COMPONENT_DSI0,
> + MT8183_DISP_DITHER0_MOUT_EN, MT8183_DITHER0_MOUT_IN_DSI0
> + }, {
> + DDP_COMPONENT_OVL_2L0, DDP_COMPONENT_RDMA0,
> + MT8183_DISP_PATH0_SEL_IN, MT8183_DISP_PATH0_SEL_IN_OVL0_2L
> + }, {
> + DDP_COMPONENT_RDMA1, DDP_COMPONENT_DPI0,
> + MT8183_DISP_DPI0_SEL_IN, MT8183_DPI0_SEL_IN_RDMA1
> + }, {
> + DDP_COMPONENT_RDMA0, DDP_COMPONENT_COLOR0,
> + MT8183_DISP_RDMA0_SOUT_SEL_IN, MT8183_RDMA0_SOUT_COLOR0
> + }
> +};
> +
> #endif /* __SOC_MEDIATEK_MTK_MMSYS_H */
>

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