linux-kernel - Re: [PATCH v5 06/12] drm/msm/dp: Add DP and EDP compatibles for SC8280XP

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Message-ID: <8867c2d5-71d7-60a0-f481-e50f35db264e@quicinc.com>
Date:   Thu, 8 Dec 2022 15:13:36 -0800
From:   Kuogee Hsieh <quic_khsieh@...cinc.com>
To:     Bjorn Andersson <quic_bjorande@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC:     Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Kalyan Thota <quic_kalyant@...cinc.com>,
        Jessica Zhang <quic_jesszhan@...cinc.com>,
        "Johan Hovold" <johan+linaro@...nel.org>,
        Sankeerth Billakanti <quic_sbillaka@...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 v5 06/12] drm/msm/dp: Add DP and EDP compatibles for
 SC8280XP


On 12/7/2022 2:00 PM, Bjorn Andersson wrote:
> From: Bjorn Andersson <bjorn.andersson@...aro.org>
>
> The SC8280XP platform has four DisplayPort controllers, per MDSS
> instance, all with widebus support.
>
> The first two are defined to be DisplayPort only, while the latter pair
> (of each instance) can be either DisplayPort or Embedded DisplayPort.
> The two sets are tied to the possible compatibels.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>
Reviewed-by: Kuogee Hsieh <quic_khsieh@...cinc.com>
> ---
>
> Changes since v4:
> - None
>
>   drivers/gpu/drm/msm/dp/dp_display.c | 22 ++++++++++++++++++++++
>   1 file changed, 22 insertions(+)
>
> diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
> index eeb292f1ad1b..5b7f1f885b2f 100644
> --- a/drivers/gpu/drm/msm/dp/dp_display.c
> +++ b/drivers/gpu/drm/msm/dp/dp_display.c
> @@ -145,6 +145,26 @@ static const struct msm_dp_desc sc8180x_dp_descs[] = {
>   	{}
>   };
>   
> +static const struct msm_dp_desc sc8280xp_dp_descs[] = {
> +	{ .io_start = 0x0ae90000, .id = MSM_DP_CONTROLLER_0, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
> +	{ .io_start = 0x0ae98000, .id = MSM_DP_CONTROLLER_1, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
> +	{ .io_start = 0x0ae9a000, .id = MSM_DP_CONTROLLER_2, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
> +	{ .io_start = 0x0aea0000, .id = MSM_DP_CONTROLLER_3, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
> +	{ .io_start = 0x22090000, .id = MSM_DP_CONTROLLER_0, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
> +	{ .io_start = 0x22098000, .id = MSM_DP_CONTROLLER_1, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
> +	{ .io_start = 0x2209a000, .id = MSM_DP_CONTROLLER_2, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
> +	{ .io_start = 0x220a0000, .id = MSM_DP_CONTROLLER_3, .connector_type = DRM_MODE_CONNECTOR_DisplayPort, .wide_bus_en = true },
> +	{}
> +};
> +
> +static const struct msm_dp_desc sc8280xp_edp_descs[] = {
> +	{ .io_start = 0x0ae9a000, .id = MSM_DP_CONTROLLER_2, .connector_type = DRM_MODE_CONNECTOR_eDP, .wide_bus_en = true },
> +	{ .io_start = 0x0aea0000, .id = MSM_DP_CONTROLLER_3, .connector_type = DRM_MODE_CONNECTOR_eDP, .wide_bus_en = true },
> +	{ .io_start = 0x2209a000, .id = MSM_DP_CONTROLLER_2, .connector_type = DRM_MODE_CONNECTOR_eDP, .wide_bus_en = true },
> +	{ .io_start = 0x220a0000, .id = MSM_DP_CONTROLLER_3, .connector_type = DRM_MODE_CONNECTOR_eDP, .wide_bus_en = true },
> +	{}
> +};
> +
>   static const struct msm_dp_desc sm8350_dp_descs[] = {
>   	{ .io_start = 0x0ae90000, .id = MSM_DP_CONTROLLER_0, .connector_type = DRM_MODE_CONNECTOR_DisplayPort },
>   	{}
> @@ -156,6 +176,8 @@ static const struct of_device_id dp_dt_match[] = {
>   	{ .compatible = "qcom,sc7280-edp", .data = &sc7280_dp_descs },
>   	{ .compatible = "qcom,sc8180x-dp", .data = &sc8180x_dp_descs },
>   	{ .compatible = "qcom,sc8180x-edp", .data = &sc8180x_dp_descs },
> +	{ .compatible = "qcom,sc8280xp-dp", .data = &sc8280xp_dp_descs },
> +	{ .compatible = "qcom,sc8280xp-edp", .data = &sc8280xp_edp_descs },
>   	{ .compatible = "qcom,sm8350-dp", .data = &sm8350_dp_descs },
>   	{}
>   };