drm/i915: rename and move intel_get_pipe_from_connector()

Rename intel_get_pipe_from_connector() to intel_connector_get_pipe() and
move it near its connector function friends in intel_connector.c. No
functional changes.

Reviewed-by: Ville Syrjälä <[e-mail]>
Signed-off-by: Jani Nikula <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/i915/intel_connector.c

···
 	return encoder->get_hw_state(encoder, &pipe);
 }
 
+enum pipe intel_connector_get_pipe(struct intel_connector *connector)
+{
+	struct drm_device *dev = connector->base.dev;
+
+	WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
+
+	if (!connector->base.state->crtc)
+		return INVALID_PIPE;
+
+	return to_intel_crtc(connector->base.state->crtc)->pipe;
+}
+
 /**
  * intel_connector_update_modes - update connector from edid
  * @connector: DRM connector device to use

drivers/gpu/drm/i915/intel_display.c

···
 	return ret;
 }
 
-enum pipe intel_get_pipe_from_connector(struct intel_connector *connector)
-{
-	struct drm_device *dev = connector->base.dev;
-
-	WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
-
-	if (!connector->base.state->crtc)
-		return INVALID_PIPE;
-
-	return to_intel_crtc(connector->base.state->crtc)->pipe;
-}
-
 int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data,
 				      struct drm_file *file)
 {

drivers/gpu/drm/i915/intel_drv.h

···
 bool intel_port_is_tc(struct drm_i915_private *dev_priv, enum port port);
 enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv,
 			      enum port port);
-
-enum pipe intel_get_pipe_from_connector(struct intel_connector *connector);
 int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data,
 				      struct drm_file *file_priv);
 enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv,
···
 void intel_connector_attach_encoder(struct intel_connector *connector,
 				    struct intel_encoder *encoder);
 bool intel_connector_get_hw_state(struct intel_connector *connector);
+enum pipe intel_connector_get_pipe(struct intel_connector *connector);
 int intel_connector_update_modes(struct drm_connector *connector,
 				 struct edid *edid);
 int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);

drivers/gpu/drm/i915/intel_panel.c

···
 static u32 vlv_get_backlight(struct intel_connector *connector)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
-	enum pipe pipe = intel_get_pipe_from_connector(connector);
+	enum pipe pipe = intel_connector_get_pipe(connector);
 
 	return _vlv_get_backlight(dev_priv, pipe);
 }