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

[Andrzej Pietrasiewicz]

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

 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);
-- 
2.17.1