[PATCH] drm/i915: Provide ddc symlink in hdmi connector sysfs directory

[Andrzej Pietrasiewicz]

W dniu 28.11.2019 o 16:01, Andrzej Pietrasiewicz pisze:
> Use the ddc pointer provided by the generic connector.
> 

A gentle ping.

Andrzej

> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p at collabora.com>
> Acked-by: Sam Ravnborg <sam at ravnborg.org>
> Reviewed-by: Emil Velikov <emil.velikov at collabora.com>
> ---
> Rebased onto drm-intel-next-queued.
> 
>   drivers/gpu/drm/i915/display/intel_hdmi.c | 12 ++++++++----
>   1 file changed, 8 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 29a174af5314..6ec8d14bccd7 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -3134,6 +3134,7 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
>   	struct intel_encoder *intel_encoder = &intel_dig_port->base;
>   	struct drm_device *dev = intel_encoder->base.dev;
>   	struct drm_i915_private *dev_priv = to_i915(dev);
> +	struct i2c_adapter *ddc;
>   	enum port port = intel_encoder->port;
>   	struct cec_connector_info conn_info;
>   
> @@ -3149,8 +3150,13 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
>   		 intel_encoder->base.name))
>   		return;
>   
> -	drm_connector_init(dev, connector, &intel_hdmi_connector_funcs,
> -			   DRM_MODE_CONNECTOR_HDMIA);
> +	intel_hdmi->ddc_bus = intel_hdmi_ddc_pin(dev_priv, port);
> +	ddc = intel_gmbus_get_adapter(dev_priv, intel_hdmi->ddc_bus);
> +
> +	drm_connector_init_with_ddc(dev, connector,
> +				    &intel_hdmi_connector_funcs,
> +				    DRM_MODE_CONNECTOR_HDMIA,
> +				    ddc);
>   	drm_connector_helper_add(connector, &intel_hdmi_connector_helper_funcs);
>   
>   	connector->interlace_allowed = 1;
> @@ -3160,8 +3166,6 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
>   	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
>   		connector->ycbcr_420_allowed = true;
>   
> -	intel_hdmi->ddc_bus = intel_hdmi_ddc_pin(dev_priv, port);
> -
>   	intel_encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port);
>   
>   	if (HAS_DDI(dev_priv))
>