linux-kernel - Re: [PATCH 8/8] drm/msm: dsi: add support for DSI 2.8.0

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Date:   Wed, 25 Oct 2023 11:06:13 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Neil Armstrong <neil.armstrong@...aro.org>
Cc:     Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        Krishna Manikandan <quic_mkrishn@...cinc.com>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 8/8] drm/msm: dsi: add support for DSI 2.8.0

On Wed, 25 Oct 2023 at 10:35, Neil Armstrong <neil.armstrong@...aro.org> wrote:
>
> Add DSI Controller version 2.8.0 support for the SM8650 platform.
>
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
>  drivers/gpu/drm/msm/dsi/dsi_cfg.c | 17 +++++++++++++++++
>  drivers/gpu/drm/msm/dsi/dsi_cfg.h |  1 +
>  2 files changed, 18 insertions(+)
>
> diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> index 1f98ff74ceb0..10ba7d153d1c 100644
> --- a/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> @@ -190,6 +190,21 @@ static const struct msm_dsi_config sm8550_dsi_cfg = {
>         },
>  };
>
> +static const struct regulator_bulk_data sm8650_dsi_regulators[] = {
> +       { .supply = "vdda", .init_load_uA = 16600 },    /* 1.2 V */

Same comment regarding uA and sm8550 cfg.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

> +};
> +
> +static const struct msm_dsi_config sm8650_dsi_cfg = {
> +       .io_offset = DSI_6G_REG_SHIFT,
> +       .regulator_data = sm8650_dsi_regulators,
> +       .num_regulators = ARRAY_SIZE(sm8650_dsi_regulators),
> +       .bus_clk_names = dsi_v2_4_clk_names,
> +       .num_bus_clks = ARRAY_SIZE(dsi_v2_4_clk_names),
> +       .io_start = {
> +               { 0xae94000, 0xae96000 },
> +       },
> +};
> +
>  static const struct regulator_bulk_data sc7280_dsi_regulators[] = {
>         { .supply = "vdda", .init_load_uA = 8350 },     /* 1.2 V */
>         { .supply = "refgen" },
> @@ -281,6 +296,8 @@ static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
>                 &sdm845_dsi_cfg, &msm_dsi_6g_v2_host_ops},
>         {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_7_0,
>                 &sm8550_dsi_cfg, &msm_dsi_6g_v2_host_ops},
> +       {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_8_0,
> +               &sm8650_dsi_cfg, &msm_dsi_6g_v2_host_ops},
>  };
>
>  const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor)
> diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.h b/drivers/gpu/drm/msm/dsi/dsi_cfg.h
> index 43f0dd74edb6..4c9b4b37681b 100644
> --- a/drivers/gpu/drm/msm/dsi/dsi_cfg.h
> +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.h
> @@ -28,6 +28,7 @@
>  #define MSM_DSI_6G_VER_MINOR_V2_5_0    0x20050000
>  #define MSM_DSI_6G_VER_MINOR_V2_6_0    0x20060000
>  #define MSM_DSI_6G_VER_MINOR_V2_7_0    0x20070000
> +#define MSM_DSI_6G_VER_MINOR_V2_8_0    0x20080000
>
>  #define MSM_DSI_V2_VER_MINOR_8064      0x0
>
>
> --
> 2.34.1
>


-- 
With best wishes
Dmitry