some platform may not support all the display mode, add mode_valid interface check it
Signed-off-by: Andy Yan andy.yan@rock-chips.com
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Changes in v18: None Changes in v17: None Changes in v16: None Changes in v15: None Changes in v14: - remove drm_connector_register, because imx-drm core has registered connector
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 | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c index d49861c..d5bec0c 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi.c +++ b/drivers/gpu/drm/bridge/dw_hdmi.c @@ -1405,6 +1405,20 @@ 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) { @@ -1429,6 +1443,7 @@ 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, };