Re: [PATCH v4 5/5] drm/msm/dp: Add DisplayPort controller for SA8775P

[Dmitry Baryshkov]

On Fri, Oct 04, 2024 at 04:00:46PM GMT, Soutrik Mukhopadhyay wrote:
> The Qualcomm SA8775P platform comes with 2 DisplayPort controllers
> for each mdss, having different base offsets than the previous
> SoCs. The support for all 4 DPTX have been added here, and
> validation of only MDSS0 DPTX0 and DPTX1 have been conducted.
> 
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> Signed-off-by: Soutrik Mukhopadhyay <quic_mukhopad@xxxxxxxxxxx>
> ---
> v2: No change
> 
> v3: Fixed review comments from Konrad and Bjorn
> 	-Added all the necessary DPTX controllers for this platform.
> 
> v4: Updated commit message
> 
> ---
>  drivers/gpu/drm/msm/dp/dp_display.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
> index e1228fb093ee..2195779584dc 100644
> --- a/drivers/gpu/drm/msm/dp/dp_display.c
> +++ b/drivers/gpu/drm/msm/dp/dp_display.c
> @@ -118,6 +118,14 @@ 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 },
> +	{ .io_start = 0x22154000, .id = MSM_DP_CONTROLLER_2, .wide_bus_supported = true },
> +	{ .io_start = 0x2215c000, .id = MSM_DP_CONTROLLER_3, .wide_bus_supported = true },

Please take a look at other device descriptions in the file, note the
difference and fix your DP description accordingly.

> +	{}
> +};
> +
>  static const struct msm_dp_desc sc7180_dp_descs[] = {
>  	{ .io_start = 0x0ae90000, .id = MSM_DP_CONTROLLER_0, .wide_bus_supported = true },
>  	{}
> @@ -162,6 +170,7 @@ 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