Declare which infoframes are supported via the .hdmi_write_infoframe()
interface. Return -EOPNOTSUPP if the driver is asked to write or clear
the unsupported InfoFrame.

Reviewed-by: Liu Ying <victor.liu@nxp.com>
Acked-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
---
 drivers/gpu/drm/bridge/ite-it6263.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/bridge/ite-it6263.c b/drivers/gpu/drm/bridge/ite-it6263.c
index 2eb8fba7016cbf0dcb19aec4ca8849f1fffaa64c..691e2d8a721bdbf99ca2dd49a45ce508ee7d9591 100644
--- a/drivers/gpu/drm/bridge/ite-it6263.c
+++ b/drivers/gpu/drm/bridge/ite-it6263.c
@@ -773,6 +773,7 @@ static int it6263_hdmi_clear_infoframe(struct drm_bridge *bridge,
 		break;
 	default:
 		dev_dbg(it->dev, "unsupported HDMI infoframe 0x%x\n", type);
+		return -EOPNOTSUPP;
 	}
 
 	return 0;
@@ -813,6 +814,7 @@ static int it6263_hdmi_write_infoframe(struct drm_bridge *bridge,
 		break;
 	default:
 		dev_dbg(it->dev, "unsupported HDMI infoframe 0x%x\n", type);
+		return -EOPNOTSUPP;
 	}
 
 	return 0;
@@ -899,6 +901,9 @@ static int it6263_probe(struct i2c_client *client)
 	it->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
 	it->bridge.vendor = "ITE";
 	it->bridge.product = "IT6263";
+	it->bridge.supported_infoframes =
+		DRM_CONNECTOR_INFOFRAME_AVI |
+		DRM_CONNECTOR_INFOFRAME_VENDOR;
 
 	return devm_drm_bridge_add(dev, &it->bridge);
 }

-- 
2.47.3