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Return -EOPNOTSUPP if the driver is asked to write or clear the unsupported InfoFrame. Reviewed-by: Daniel Stone Acked-by: Daniel Stone Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c b/drivers/gpu/drm= /bridge/synopsys/dw-hdmi-qp.c index 39332c57f2c54296f39e27612544f4fbf923863f..9a195c479bcaf112f67b6a2f085= 402d0e33896de 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c @@ -936,6 +936,7 @@ static int dw_hdmi_qp_bridge_clear_infoframe(struct drm= _bridge *bridge, break; default: dev_dbg(hdmi->dev, "Unsupported infoframe type %x\n", type); + return -EOPNOTSUPP; } =20 return 0; @@ -961,7 +962,7 @@ static int dw_hdmi_qp_bridge_write_infoframe(struct drm= _bridge *bridge, =20 default: dev_dbg(hdmi->dev, "Unsupported infoframe type %x\n", type); - return 0; + return -EOPNOTSUPP; } } =20 @@ -1084,6 +1085,10 @@ struct dw_hdmi_qp *dw_hdmi_qp_bind(struct platform_d= evice *pdev, hdmi->bridge.type =3D DRM_MODE_CONNECTOR_HDMIA; hdmi->bridge.vendor =3D "Synopsys"; hdmi->bridge.product =3D "DW HDMI QP TX"; + hdmi->bridge.supported_infoframes =3D + DRM_CONNECTOR_INFOFRAME_AUDIO | + DRM_CONNECTOR_INFOFRAME_AVI | + DRM_CONNECTOR_INFOFRAME_DRM; =20 hdmi->bridge.ddc =3D dw_hdmi_qp_i2c_adapter(hdmi); if (IS_ERR(hdmi->bridge.ddc)) --=20 2.47.3