some platform may not support all the display mode,
add mode_valid interface check it
Signed-off-by: Andy Yan <andy.yan at rock-chips.com>
---
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 d2c6ba8..e3999da 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,
};
--
1.9.1
