drm/i915: Move intel_connector->unregister to connector->early_unregister

We now have a connector->func that serves the same purpose as our own
intel_connector->unregister vfunc allowing us to unwrap ourselves and
use drm_connector_register() (and friends) as the central function.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1466160034-12173-2-git-send-email-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/i915_drv.h

@@ -3673,7 +3673,7 @@ extern void intel_modeset_init_hw(struct drm_device *dev);
 extern void intel_modeset_init(struct drm_device *dev);
 extern void intel_modeset_gem_init(struct drm_device *dev);
 extern void intel_modeset_cleanup(struct drm_device *dev);
-extern void intel_connector_unregister(struct intel_connector *);
+extern void intel_connector_unregister(struct drm_connector *);
 extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state);
 extern void intel_display_resume(struct drm_device *dev);
 extern void i915_redisable_vga(struct drm_device *dev);

drivers/gpu/drm/i915/intel_crt.c

@@ -743,6 +743,7 @@ static const struct drm_connector_funcs intel_crt_connector_funcs = {
 	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_crt_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
+	.early_unregister = intel_connector_unregister,
 	.destroy = intel_crt_destroy,
 	.set_property = intel_crt_set_property,
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
@@ -875,7 +876,6 @@ void intel_crt_init(struct drm_device *dev)
 		crt->base.get_hw_state = intel_crt_get_hw_state;
 	}
 	intel_connector->get_hw_state = intel_connector_get_hw_state;
-	intel_connector->unregister = intel_connector_unregister;
 
 	drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs);
 

drivers/gpu/drm/i915/intel_display.c

@@ -16219,18 +16219,14 @@ void intel_modeset_gem_init(struct drm_device *dev)
 	intel_backlight_register(dev);
 }
 
-void intel_connector_unregister(struct intel_connector *intel_connector)
+void intel_connector_unregister(struct drm_connector *connector)
 {
-	struct drm_connector *connector = &intel_connector->base;
-
 	intel_panel_destroy_backlight(connector);
-	drm_connector_unregister(connector);
 }
 
 void intel_modeset_cleanup(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_connector *connector;
 
 	intel_disable_gt_powersave(dev_priv);
 
@@ -16256,9 +16252,7 @@ void intel_modeset_cleanup(struct drm_device *dev)
 	/* flush any delayed tasks or pending work */
 	flush_scheduled_work();
 
-	/* destroy the backlight and sysfs files before encoders/connectors */
-	for_each_intel_connector(dev, connector)
-		connector->unregister(connector);
+	drm_connector_unregister_all(dev);
 
 	drm_mode_config_cleanup(dev);
 

drivers/gpu/drm/i915/intel_dp.c

@@ -1177,7 +1177,6 @@ static void intel_aux_reg_init(struct intel_dp *intel_dp)
 static void
 intel_dp_aux_fini(struct intel_dp *intel_dp)
 {
-	drm_dp_aux_unregister(&intel_dp->aux);
 	kfree(intel_dp->aux.name);
 }
 
@@ -1212,15 +1211,6 @@ intel_dp_aux_init(struct intel_dp *intel_dp, struct intel_connector *connector)
 	return 0;
 }
 
-static void
-intel_dp_connector_unregister(struct intel_connector *intel_connector)
-{
-	struct intel_dp *intel_dp = intel_attached_dp(&intel_connector->base);
-
-	intel_dp_aux_fini(intel_dp);
-	intel_connector_unregister(intel_connector);
-}
-
 static int
 intel_dp_sink_rates(struct intel_dp *intel_dp, const int **sink_rates)
 {
@@ -4456,6 +4446,13 @@ done:
 	return 0;
 }
 
+static void
+intel_dp_connector_unregister(struct drm_connector *connector)
+{
+	drm_dp_aux_unregister(&intel_attached_dp(connector)->aux);
+	intel_connector_unregister(connector);
+}
+
 static void
 intel_dp_connector_destroy(struct drm_connector *connector)
 {
@@ -4466,6 +4463,8 @@ intel_dp_connector_destroy(struct drm_connector *connector)
 	if (!IS_ERR_OR_NULL(intel_connector->edid))
 		kfree(intel_connector->edid);
 
+	intel_dp_aux_fini(intel_attached_dp(connector));
+
 	/* Can't call is_edp() since the encoder may have been destroyed
 	 * already. */
 	if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
@@ -4572,6 +4571,7 @@ static const struct drm_connector_funcs intel_dp_connector_funcs = {
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.set_property = intel_dp_set_property,
 	.atomic_get_property = intel_connector_atomic_get_property,
+	.early_unregister = intel_dp_connector_unregister,
 	.destroy = intel_dp_connector_destroy,
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
@@ -5487,7 +5487,6 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
 		intel_connector->get_hw_state = intel_ddi_connector_get_hw_state;
 	else
 		intel_connector->get_hw_state = intel_connector_get_hw_state;
-	intel_connector->unregister = intel_dp_connector_unregister;
 
 	/* Set up the hotplug pin. */
 	switch (port) {

drivers/gpu/drm/i915/intel_dp_mst.c

@@ -336,6 +336,7 @@ static const struct drm_connector_funcs intel_dp_mst_connector_funcs = {
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.set_property = intel_dp_mst_set_property,
 	.atomic_get_property = intel_connector_atomic_get_property,
+	.early_unregister = intel_connector_unregister,
 	.destroy = intel_dp_mst_connector_destroy,
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
@@ -455,7 +456,6 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo
 	drm_connector_init(dev, connector, &intel_dp_mst_connector_funcs, DRM_MODE_CONNECTOR_DisplayPort);
 	drm_connector_helper_add(connector, &intel_dp_mst_connector_helper_funcs);
 
-	intel_connector->unregister = intel_connector_unregister;
 	intel_connector->get_hw_state = intel_dp_mst_get_hw_state;
 	intel_connector->mst_port = intel_dp;
 	intel_connector->port = port;
@@ -489,7 +489,7 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
 	struct intel_connector *intel_connector = to_intel_connector(connector);
 	struct drm_device *dev = connector->dev;
 
-	intel_connector->unregister(intel_connector);
+	drm_connector_unregister(connector);
 
 	/* need to nuke the connector */
 	drm_modeset_lock_all(dev);

drivers/gpu/drm/i915/intel_drv.h

@@ -242,14 +242,6 @@ struct intel_connector {
 	 * and active (i.e. dpms ON state). */
 	bool (*get_hw_state)(struct intel_connector *);
 
-	/*
-	 * Removes all interfaces through which the connector is accessible
-	 * - like sysfs, debugfs entries -, so that no new operations can be
-	 * started on the connector. Also makes sure all currently pending
-	 * operations finish before returing.
-	 */
-	void (*unregister)(struct intel_connector *);
-
 	/* Panel info for eDP and LVDS */
 	struct intel_panel panel;
 

drivers/gpu/drm/i915/intel_dsi.c

@@ -1384,6 +1384,7 @@ static const struct drm_connector_helper_funcs intel_dsi_connector_helper_funcs
 static const struct drm_connector_funcs intel_dsi_connector_funcs = {
 	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_dsi_detect,
+	.early_unregister = intel_connector_unregister,
 	.destroy = intel_dsi_connector_destroy,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.set_property = intel_dsi_set_property,
@@ -1460,7 +1461,6 @@ void intel_dsi_init(struct drm_device *dev)
 	intel_encoder->get_config = intel_dsi_get_config;
 
 	intel_connector->get_hw_state = intel_connector_get_hw_state;
-	intel_connector->unregister = intel_connector_unregister;
 
 	/*
 	 * On BYT/CHV, pipe A maps to MIPI DSI port A, pipe B maps to MIPI DSI

drivers/gpu/drm/i915/intel_dvo.c

@@ -341,6 +341,7 @@ static void intel_dvo_destroy(struct drm_connector *connector)
 static const struct drm_connector_funcs intel_dvo_connector_funcs = {
 	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_dvo_detect,
+	.early_unregister = intel_connector_unregister,
 	.destroy = intel_dvo_destroy,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.atomic_get_property = intel_connector_atomic_get_property,
@@ -447,7 +448,6 @@ void intel_dvo_init(struct drm_device *dev)
 	intel_encoder->compute_config = intel_dvo_compute_config;
 	intel_encoder->pre_enable = intel_dvo_pre_enable;
 	intel_connector->get_hw_state = intel_dvo_connector_get_hw_state;
-	intel_connector->unregister = intel_connector_unregister;
 
 	/* Now, try to find a controller */
 	for (i = 0; i < ARRAY_SIZE(intel_dvo_devices); i++) {

drivers/gpu/drm/i915/intel_hdmi.c

@@ -1774,6 +1774,7 @@ static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.set_property = intel_hdmi_set_property,
 	.atomic_get_property = intel_connector_atomic_get_property,
+	.early_unregister = intel_connector_unregister,
 	.destroy = intel_hdmi_destroy,
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
@@ -1906,7 +1907,6 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
 		intel_connector->get_hw_state = intel_ddi_connector_get_hw_state;
 	else
 		intel_connector->get_hw_state = intel_connector_get_hw_state;
-	intel_connector->unregister = intel_connector_unregister;
 
 	intel_hdmi_add_properties(intel_hdmi, connector);
 

drivers/gpu/drm/i915/intel_lvds.c

@@ -555,6 +555,7 @@ static const struct drm_connector_funcs intel_lvds_connector_funcs = {
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.set_property = intel_lvds_set_property,
 	.atomic_get_property = intel_connector_atomic_get_property,
+	.early_unregister = intel_connector_unregister,
 	.destroy = intel_lvds_destroy,
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
@@ -991,7 +992,6 @@ void intel_lvds_init(struct drm_device *dev)
 	intel_encoder->get_hw_state = intel_lvds_get_hw_state;
 	intel_encoder->get_config = intel_lvds_get_config;
 	intel_connector->get_hw_state = intel_connector_get_hw_state;
-	intel_connector->unregister = intel_connector_unregister;
 
 	intel_connector_attach_encoder(intel_connector, intel_encoder);
 	intel_encoder->type = INTEL_OUTPUT_LVDS;

drivers/gpu/drm/i915/intel_sdvo.c

@@ -2177,12 +2177,23 @@ done:
 #undef CHECK_PROPERTY
 }
 
+static void
+intel_sdvo_connector_unregister(struct drm_connector *connector)
+{
+	struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
+
+	sysfs_remove_link(&connector->kdev->kobj,
+			  sdvo->ddc.dev.kobj.name);
+	intel_connector_unregister(connector);
+}
+
 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
 	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_sdvo_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.set_property = intel_sdvo_set_property,
 	.atomic_get_property = intel_connector_atomic_get_property,
+	.early_unregister = intel_sdvo_connector_unregister,
 	.destroy = intel_sdvo_destroy,
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
@@ -2345,20 +2356,6 @@ intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
 		return 0x72;
 }
 
-static void
-intel_sdvo_connector_unregister(struct intel_connector *intel_connector)
-{
-	struct drm_connector *drm_connector;
-	struct intel_sdvo *sdvo_encoder;
-
-	drm_connector = &intel_connector->base;
-	sdvo_encoder = intel_attached_sdvo(&intel_connector->base);
-
-	sysfs_remove_link(&drm_connector->kdev->kobj,
-			  sdvo_encoder->ddc.dev.kobj.name);
-	intel_connector_unregister(intel_connector);
-}
-
 static int
 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
 			  struct intel_sdvo *encoder)
@@ -2381,7 +2378,6 @@ intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
 	connector->base.base.doublescan_allowed = 0;
 	connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
 	connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
-	connector->base.unregister = intel_sdvo_connector_unregister;
 
 	intel_connector_attach_encoder(&connector->base, &encoder->base);
 	ret = drm_connector_register(drm_connector);

drivers/gpu/drm/i915/intel_tv.c

@@ -1501,6 +1501,7 @@ out:
 static const struct drm_connector_funcs intel_tv_connector_funcs = {
 	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_tv_detect,
+	.early_unregister = intel_connector_unregister,
 	.destroy = intel_tv_destroy,
 	.set_property = intel_tv_set_property,
 	.atomic_get_property = intel_connector_atomic_get_property,
@@ -1599,7 +1600,6 @@ intel_tv_init(struct drm_device *dev)
 	intel_encoder->disable = intel_disable_tv;
 	intel_encoder->get_hw_state = intel_tv_get_hw_state;
 	intel_connector->get_hw_state = intel_connector_get_hw_state;
-	intel_connector->unregister = intel_connector_unregister;
 
 	intel_connector_attach_encoder(intel_connector, intel_encoder);
 	intel_encoder->type = INTEL_OUTPUT_TVOUT;