linux-kernel - Re: [PATCH 5/5] drm/msm/dp: Add DisplayPort controller for SA8775P

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Message-ID: <ZuH3WqMwn7fl3nhh@hu-bjorande-lv.qualcomm.com>
Date: Wed, 11 Sep 2024 13:02:34 -0700
From: Bjorn Andersson <quic_bjorande@...cinc.com>
To: Soutrik Mukhopadhyay <quic_mukhopad@...cinc.com>
CC: <vkoul@...nel.org>, <kishon@...nel.org>, <konradybcio@...nel.org>,
        <andersson@...nel.org>, <simona@...ll.ch>,
        <dmitry.baryshkov@...aro.org>, <abel.vesa@...aro.org>,
        <robdclark@...il.com>, <quic_abhinavk@...cinc.com>, <sean@...rly.run>,
        <marijn.suijten@...ainline.org>, <airlied@...il.com>,
        <daniel@...ll.ch>, <maarten.lankhorst@...ux.intel.com>,
        <mripard@...nel.org>, <tzimmermann@...e.de>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <quic_khsieh@...cinc.com>,
        <konrad.dybcio@...aro.org>, <quic_parellan@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-phy@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <quic_riteshk@...cinc.com>, <quic_vproddut@...cinc.com>
Subject: Re: [PATCH 5/5] drm/msm/dp: Add DisplayPort controller for SA8775P

On Wed, Sep 11, 2024 at 03:38:13PM +0530, Soutrik Mukhopadhyay wrote:
> The Qualcomm SA8775P platform comes with a DisplayPort controller
> with a different base offset than the previous SoCs,
> add support for this in the DisplayPort driver.
> 
> Signed-off-by: Soutrik Mukhopadhyay <quic_mukhopad@...cinc.com>
> ---
>  drivers/gpu/drm/msm/dp/dp_display.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
> index e1228fb093ee..e4954fd99eb0 100644
> --- a/drivers/gpu/drm/msm/dp/dp_display.c
> +++ b/drivers/gpu/drm/msm/dp/dp_display.c
> @@ -118,6 +118,12 @@ struct msm_dp_desc {
>  	bool wide_bus_supported;
>  };
>  
> +static const struct msm_dp_desc sa8775p_dp_descs[] = {
> +	{ .io_start = 0xaf54000, .id = MSM_DP_CONTROLLER_0, .wide_bus_supported = true },
> +	{ .io_start = 0xaf5c000, .id = MSM_DP_CONTROLLER_1, .wide_bus_supported = true },

Why is this list incomplete?

Regards,
Bjorn

> +	{}
> +};
> +
>  static const struct msm_dp_desc sc7180_dp_descs[] = {
>  	{ .io_start = 0x0ae90000, .id = MSM_DP_CONTROLLER_0, .wide_bus_supported = true },
>  	{}
> @@ -162,6 +168,7 @@ static const struct msm_dp_desc x1e80100_dp_descs[] = {
>  };
>  
>  static const struct of_device_id dp_dt_match[] = {
> +	{ .compatible = "qcom,sa8775p-dp", .data = &sa8775p_dp_descs },
>  	{ .compatible = "qcom,sc7180-dp", .data = &sc7180_dp_descs },
>  	{ .compatible = "qcom,sc7280-dp", .data = &sc7280_dp_descs },
>  	{ .compatible = "qcom,sc7280-edp", .data = &sc7280_dp_descs },
> -- 
> 2.17.1
>