On Wed, Feb 21, 2024 at 12:50:32AM +0200, Abel Vesa wrote:
> diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.h b/drivers/gpu/drm/msm/dp/dp_ctrl.h
> index fa014cee7e21..a10d1b19d172 100644
> --- a/drivers/gpu/drm/msm/dp/dp_ctrl.h
> +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.h
> @@ -32,6 +32,7 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link,
> struct phy *phy);
>
> void dp_ctrl_reset_irq_ctrl(struct dp_ctrl *dp_ctrl, bool enable);
> +int dp_ctrl_phy_set_mode(struct dp_ctrl *dp_ctrl, int mode);
> void dp_ctrl_phy_init(struct dp_ctrl *dp_ctrl);
> void dp_ctrl_phy_exit(struct dp_ctrl *dp_ctrl);
> void dp_ctrl_irq_phy_exit(struct dp_ctrl *dp_ctrl);
> diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
> index e4433891becb..9e58285d4ec6 100644
> --- a/drivers/gpu/drm/msm/dp/dp_display.c
> +++ b/drivers/gpu/drm/msm/dp/dp_display.c
> @@ -1229,6 +1229,7 @@ static int dp_display_probe(struct platform_device *pdev)
> int rc = 0;
> struct dp_display_private *dp;
> const struct msm_dp_desc *desc;
> + bool is_edp = false;
>
> if (!pdev || !pdev->dev.of_node) {
> DRM_ERROR("pdev not found\n");
> @@ -1243,13 +1244,19 @@ static int dp_display_probe(struct platform_device *pdev)
> if (!desc)
> return -EINVAL;
>
> + if (dp->dp_display.connector_type == DRM_MODE_CONNECTOR_eDP ||
dp is just allocated, and will be 0. You need to check
desc->connector_type here.
Regards,
Bjorn
> + of_property_read_bool(pdev->dev.of_node, "is-edp"))
> + is_edp = true;
> +
> + dp->dp_display.is_edp = is_edp;
> dp->dp_display.pdev = pdev;
> dp->name = "drm_dp";
> dp->id = desc->id;
> - dp->dp_display.connector_type = desc->connector_type;
> dp->wide_bus_en = desc->wide_bus_en;
> - dp->dp_display.is_edp =
> - (dp->dp_display.connector_type == DRM_MODE_CONNECTOR_eDP);
> +
> + dp->dp_display.connector_type = is_edp ?
> + DRM_MODE_CONNECTOR_eDP :
> + DRM_MODE_CONNECTOR_DisplayPort;
>
> rc = dp_init_sub_modules(dp);
> if (rc) {
> @@ -1257,6 +1264,12 @@ static int dp_display_probe(struct platform_device *pdev)
> return -EPROBE_DEFER;
> }
>
> + rc = dp_ctrl_phy_set_mode(dp->ctrl, is_edp ? PHY_SUBMODE_EDP : PHY_SUBMODE_DP);
> + if (rc) {
> + DRM_ERROR("setting PHY submode failed\n");
> + goto err;
> + }
> +
> /* setup event q */
> mutex_init(&dp->event_mutex);
> init_waitqueue_head(&dp->event_q);
>
> --
> 2.34.1
>
