[RFC 29/30] drm/i915: split intel_dp_commit into encoder and connector pieces

[Paulo Zanoni <przanoni@gmail.com>]

From: Paulo Zanoni <paulo.r.zanoni@intel.com>

Same reason as the previous HDMI commit: the DDI code will have its
own encoder init function but still use the DP and HDMI connectors.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 91 ++++++++++++++++++++++-------------------
 1 file changed, 50 insertions(+), 41 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 314b4c7..6cf3123 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2586,40 +2586,26 @@ intel_dp_add_properties(struct drm_connector *connector)
 	intel_attach_broadcast_rgb_property(connector);
 }
 
-void
-intel_dp_init(struct drm_device *dev, int output_reg, enum port port)
+static void
+intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
+			struct intel_connector *intel_connector)
 {
+	struct drm_connector *connector = &intel_connector->base;
+	struct intel_dp *intel_dp = &intel_dig_port->dp;
+	struct intel_encoder *intel_encoder = &intel_dig_port->base;
+	struct drm_device *dev = intel_encoder->base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct drm_connector *connector;
-	struct intel_dp *intel_dp;
-	struct intel_encoder *intel_encoder;
-	struct intel_connector *intel_connector;
-	struct intel_digital_port *intel_dig_port;
+	enum port port = intel_dig_port->port;
 	const char *name = NULL;
 	int type;
 
-	intel_dig_port = kzalloc(sizeof(struct intel_digital_port), GFP_KERNEL);
-	if (!intel_dig_port)
-		return;
-
-	intel_dig_port->port = port;
-
-	intel_dp = &intel_dig_port->dp;
-	intel_dp->output_reg = output_reg;
 	intel_dp->dpms_mode = -1;
 
-	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
-	if (!intel_connector) {
-		kfree(intel_dig_port);
-		return;
-	}
-	intel_encoder = &intel_dig_port->base;
-
-	if (HAS_PCH_SPLIT(dev) && output_reg == PCH_DP_D)
+	if (HAS_PCH_SPLIT(dev) && port == PORT_D)
 		if (intel_dpd_is_edp(dev))
 			intel_dp->is_pch_edp = true;
 
-	if (output_reg == DP_A || is_pch_edp(intel_dp)) {
+	if (port == PORT_A || is_pch_edp(intel_dp)) {
 		type = DRM_MODE_CONNECTOR_eDP;
 		intel_encoder->type = INTEL_OUTPUT_EDP;
 	} else {
@@ -2627,32 +2613,17 @@ intel_dp_init(struct drm_device *dev, int output_reg, enum port port)
 		intel_encoder->type = INTEL_OUTPUT_DISPLAYPORT;
 	}
 
-	connector = &intel_connector->base;
 	drm_connector_init(dev, connector, &intel_dp_connector_funcs, type);
 	drm_connector_helper_add(connector, &intel_dp_connector_helper_funcs);
 
 	connector->polled = DRM_CONNECTOR_POLL_HPD;
 
-	intel_encoder->cloneable = false;
-
 	INIT_DELAYED_WORK(&intel_dp->panel_vdd_work,
 			  ironlake_panel_vdd_work);
 
-	intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
-
 	connector->interlace_allowed = true;
 	connector->doublescan_allowed = 0;
 
-	drm_encoder_init(dev, &intel_encoder->base, &intel_dp_enc_funcs,
-			 DRM_MODE_ENCODER_TMDS);
-
-	if (IS_HASWELL(dev))
-		drm_encoder_helper_add(&intel_encoder->base,
-				       &intel_dp_helper_funcs_hsw);
-	else
-		drm_encoder_helper_add(&intel_encoder->base,
-				       &intel_dp_helper_funcs);
-
 	intel_connector_attach_encoder(intel_connector, intel_encoder);
 	drm_sysfs_connector_add(connector);
 
@@ -2767,8 +2738,6 @@ intel_dp_init(struct drm_device *dev, int output_reg, enum port port)
 		ironlake_edp_panel_vdd_off(intel_dp, false);
 	}
 
-	intel_encoder->hot_plug = intel_dp_hot_plug;
-
 	if (is_edp(intel_dp)) {
 		dev_priv->int_edp_connector = connector;
 		intel_panel_setup_backlight(dev);
@@ -2785,3 +2754,43 @@ intel_dp_init(struct drm_device *dev, int output_reg, enum port port)
 		I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd);
 	}
 }
+
+void
+intel_dp_init(struct drm_device *dev, int output_reg, enum port port)
+{
+	struct intel_digital_port *intel_dig_port;
+	struct intel_encoder *intel_encoder;
+	struct drm_encoder *encoder;
+	struct intel_connector *intel_connector;
+
+	intel_dig_port = kzalloc(sizeof(struct intel_digital_port), GFP_KERNEL);
+	if (!intel_dig_port)
+		return;
+
+	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
+	if (!intel_connector) {
+		kfree(intel_dig_port);
+		return;
+	}
+
+	intel_encoder = &intel_dig_port->base;
+	encoder = &intel_encoder->base;
+
+	drm_encoder_init(dev, encoder, &intel_dp_enc_funcs,
+			 DRM_MODE_ENCODER_TMDS);
+
+	if (IS_HASWELL(dev))
+		drm_encoder_helper_add(encoder, &intel_dp_helper_funcs_hsw);
+	else
+		drm_encoder_helper_add(encoder, &intel_dp_helper_funcs);
+
+	intel_dig_port->port = port;
+	intel_dig_port->hdmi.sdvox_reg = 0;
+	intel_dig_port->dp.output_reg = output_reg;
+
+	intel_encoder->crtc_mask =  (1 << 0) | (1 << 1) | (1 << 2);
+	intel_encoder->cloneable = false;
+	intel_encoder->hot_plug = intel_dp_hot_plug;
+
+	intel_dp_init_connector(intel_dig_port, intel_connector);
+}
-- 
1.7.11.2