Re: [PATCH v2 5/5] drm/msm/dp: Add DisplayPort controller for SA8775P

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On Fri, 13 Sept 2024 at 13:38, Soutrik Mukhopadhyay
<quic_mukhopad@xxxxxxxxxxx> 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@xxxxxxxxxxx>
> ---
> v2: No change
>
> ---
>  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 },

Please wait for the discussion to end before posting new iterations.
In this case Bjorn pointed out that this is not the full
configuration. Please add a comment, describing that there is a second
MDSS, which isn't declared here as it wasn't validated.

> +       {}
> +};
> +
>  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
>


-- 
With best wishes
Dmitry




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