[PATCH v2 1/8] drm/connector: let drivers declare infoframes as unsupported

[Liu Ying]

On 08/19/2025, Dmitry Baryshkov wrote:

[...]

> @@ -930,23 +947,29 @@ static int write_device_infoframe(struct drm_connector *connector,
>  				  union hdmi_infoframe *frame)
>  {
>  	const struct drm_connector_hdmi_funcs *funcs = connector->hdmi.funcs;
> +	enum hdmi_infoframe_type type = frame->any.type;
>  	struct drm_device *dev = connector->dev;
>  	u8 buffer[HDMI_INFOFRAME_SIZE(MAX)];
>  	int ret;
>  	int len;
>  
> -	drm_dbg_kms(dev, "Writing infoframe type %x\n", frame->any.type);
> +	drm_dbg_kms(dev, "Writing infoframe type %x\n", type);
>  
>  	if (!funcs || !funcs->write_infoframe) {
>  		drm_dbg_kms(dev, "Function not implemented, bailing.\n");
>  		return -EINVAL;
>  	}
>  
> +	if (!drm_hdmi_connector_supports_infoframe(connector, type)) {
> +		drm_dbg_kms(dev, "Infoframe %d not supported, bailing.\n", type);

This '%d' should also be replaced with '0x%02x'.

> +		return 0;
> +	}

[...]

-- 
Regards,
Liu Ying