Hi Philipp: On 2014?11?27? 00:23, Philipp Zabel wrote: > 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 at rock-chips.com> >> --- >> >> 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. Sorry, I didn't found imx-drm core has did that before.And I found many connector drivers register it by itself. This will be removed in next patch. > regards > Philipp > > > >