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

[Jani Nikula]

On Thu, 28 Nov 2019, Andrzej Pietrasiewicz <andrzej.p at collabora.com> wrote:
> Use the ddc pointer provided by the generic connector.
>
> 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-misc-next as of 28 Nov 2019

The conflict is in drm-intel-next-queued where this would be
applied. Please rebase on drm-tip or drm-intel-next-queued.

BR,
Jani.

>
>  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 b54ccbb5aad5..40f32f2d8af1 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -3128,6 +3128,7 @@ 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;
>  
> @@ -3140,8 +3141,13 @@ 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;
> @@ -3151,8 +3157,6 @@ 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);
> -
>  	if (WARN_ON(port == PORT_A))
>  		return;
>  	intel_encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port);

-- 
Jani Nikula, Intel Open Source Graphics Center