On Mon, 10 Mar 2025, Yongbang Shi <shiyongbang@xxxxxxxxxx> wrote:
> @@ -15,11 +15,17 @@
>
> static int hibmc_dp_connector_get_modes(struct drm_connector *connector)
> {
> + struct hibmc_dp *dp = to_hibmc_dp(connector);
> + const struct drm_edid *drm_edid;
> int count;
>
> - count = drm_add_modes_noedid(connector, connector->dev->mode_config.max_width,
> - connector->dev->mode_config.max_height);
> - drm_set_preferred_mode(connector, 1024, 768); // temporary implementation
> + drm_edid = drm_edid_read_ddc(connector, &dp->aux.ddc);
drm_edid_read() should cover this if connector->ddc is set properly...
> @@ -103,8 +125,8 @@ int hibmc_dp_init(struct hibmc_drm_private *priv)
>
> drm_encoder_helper_add(encoder, &hibmc_dp_encoder_helper_funcs);
>
> - ret = drm_connector_init(dev, connector, &hibmc_dp_conn_funcs,
> - DRM_MODE_CONNECTOR_DisplayPort);
> + ret = drm_connector_init_with_ddc(dev, connector, &hibmc_dp_conn_funcs,
> + DRM_MODE_CONNECTOR_DisplayPort, &dp->aux.ddc);
...which you seem to do here.
BR,
Jani.
--
Jani Nikula, Intel
