Am Mittwoch, den 26.11.2014, 21:33 +0800 schrieb Andy Yan:
> some platform may not support all the display mode,
> add mode_valid interface check it
>
> also add drm_connector_register which add a debugfs
> interface for dump display modes and edid information
>
> Signed-off-by: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
> ---
>
> Changes in v13: None
> Changes in v12: None
> Changes in v11: None
> Changes in v10: None
> Changes in v9: None
> Changes in v8: None
> Changes in v7: None
> Changes in v6: None
> Changes in v5: None
> Changes in v4: None
> Changes in v3: None
>
> drivers/gpu/drm/bridge/dw_hdmi.c | 17 +++++++++++++++++
> include/drm/bridge/dw_hdmi.h | 2 ++
> 2 files changed, 19 insertions(+)
>
> diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c
> index 5e88c8d..b13e782 100644
> --- a/drivers/gpu/drm/bridge/dw_hdmi.c
> +++ b/drivers/gpu/drm/bridge/dw_hdmi.c
> @@ -1406,6 +1406,20 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
> return 0;
> }
>
> +static enum drm_mode_status
> +dw_hdmi_connector_mode_valid(struct drm_connector *connector,
> + struct drm_display_mode *mode)
> +{
> + struct dw_hdmi *hdmi = container_of(connector,
> + struct dw_hdmi, connector);
> + enum drm_mode_status mode_status = MODE_OK;
> +
> + if (hdmi->plat_data->mode_valid)
> + mode_status = hdmi->plat_data->mode_valid(connector, mode);
> +
> + return mode_status;
> +}
> +
> static struct drm_encoder *dw_hdmi_connector_best_encoder(struct drm_connector
> *connector)
> {
> @@ -1430,6 +1444,7 @@ static struct drm_connector_funcs dw_hdmi_connector_funcs = {
>
> static struct drm_connector_helper_funcs dw_hdmi_connector_helper_funcs = {
> .get_modes = dw_hdmi_connector_get_modes,
> + .mode_valid = dw_hdmi_connector_mode_valid,
> .best_encoder = dw_hdmi_connector_best_encoder,
> };
>
> @@ -1631,6 +1646,8 @@ int dw_hdmi_bind(struct device *dev, struct device *master,
>
> dev_set_drvdata(dev, hdmi);
>
> + drm_connector_register(&hdmi->connector);
> +
This is not right, the connector is registered by the imx-drm core in
the drm_driver .load callback.
regards
Philipp
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