Merge branch 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes

This pull-request includes some bug fixes and code cleanups.
Especially, this fixes the bind failure issue occurred when it tries
to re-bind Exynos drm driver after unbound, and the modetest failure
issue incurred by not having a pair to vblank on and off requests.

* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos: correct connector->dpms field before resuming
drm/exynos: enable vblank after DPMS on
drm/exynos: init kms poll at the end of initialization
drm/exynos: propagate plane initialization errors
drm/exynos: vidi: fix build warning
drm/exynos: remove explicit encoder/connector de-initialization
drm/exynos: init vblank with real number of crtcs

drivers/gpu/drm/exynos/exynos_dp_core.c

···
 				void *data)
 {
 	struct exynos_drm_display *display = dev_get_drvdata(dev);
-	struct exynos_dp_device *dp = display->ctx;
-	struct drm_encoder *encoder = dp->encoder;
 
 	exynos_dp_dpms(display, DRM_MODE_DPMS_OFF);
-
-	exynos_dp_connector_destroy(&dp->connector);
-	encoder->funcs->destroy(encoder);
 }
 
 static const struct component_ops exynos_dp_ops = {

drivers/gpu/drm/exynos/exynos_drm_crtc.c

···
 				!atomic_read(&exynos_crtc->pending_flip),
 				HZ/20))
 			atomic_set(&exynos_crtc->pending_flip, 0);
-		drm_vblank_off(crtc->dev, exynos_crtc->pipe);
+		drm_crtc_vblank_off(crtc);
 	}
 
 	if (manager->ops->dpms)
 		manager->ops->dpms(manager, mode);
 
 	exynos_crtc->dpms = mode;
+
+	if (mode == DRM_MODE_DPMS_ON)
+		drm_crtc_vblank_on(crtc);
 }
 
 static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)

drivers/gpu/drm/exynos/exynos_drm_dpi.c

···
 
 int exynos_dpi_remove(struct device *dev)
 {
-	struct drm_encoder *encoder = exynos_dpi_display.encoder;
 	struct exynos_dpi *ctx = exynos_dpi_display.ctx;
 
 	exynos_dpi_dpms(&exynos_dpi_display, DRM_MODE_DPMS_OFF);
-
-	exynos_dpi_connector_destroy(&ctx->connector);
-	encoder->funcs->destroy(encoder);
 
 	if (ctx->panel)
 		drm_panel_detach(ctx->panel);

drivers/gpu/drm/exynos/exynos_drm_drv.c

···
 
 		plane = exynos_plane_init(dev, possible_crtcs,
 					  DRM_PLANE_TYPE_OVERLAY);
-		if (IS_ERR(plane))
-			goto err_mode_config_cleanup;
-	}
+		if (!IS_ERR(plane))
+			continue;
 
-	/* init kms poll for handling hpd */
-	drm_kms_helper_poll_init(dev);
-
-	ret = drm_vblank_init(dev, MAX_CRTC);
-	if (ret)
+		ret = PTR_ERR(plane);
 		goto err_mode_config_cleanup;
+	}
 
 	/* setup possible_clones. */
 	exynos_drm_encoder_setup(dev);
···
 	/* Try to bind all sub drivers. */
 	ret = component_bind_all(dev->dev, dev);
 	if (ret)
-		goto err_cleanup_vblank;
+		goto err_mode_config_cleanup;
+
+	ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
+	if (ret)
+		goto err_unbind_all;
 
 	/* Probe non kms sub drivers and virtual display driver. */
 	ret = exynos_drm_device_subdrv_probe(dev);
 	if (ret)
-		goto err_unbind_all;
-
-	/* force connectors detection */
-	drm_helper_hpd_irq_event(dev);
+		goto err_cleanup_vblank;
 
 	/*
 	 * enable drm irq mode.
···
 	 */
 	dev->vblank_disable_allowed = true;
 
+	/* init kms poll for handling hpd */
+	drm_kms_helper_poll_init(dev);
+
+	/* force connectors detection */
+	drm_helper_hpd_irq_event(dev);
+
 	return 0;
 
-err_unbind_all:
-	component_unbind_all(dev->dev, dev);
 err_cleanup_vblank:
 	drm_vblank_cleanup(dev);
+err_unbind_all:
+	component_unbind_all(dev->dev, dev);
 err_mode_config_cleanup:
 	drm_mode_config_cleanup(dev);
 	drm_release_iommu_mapping(dev);
···
 	exynos_drm_fbdev_fini(dev);
 	drm_kms_helper_poll_fini(dev);
 
-	component_unbind_all(dev->dev, dev);
 	drm_vblank_cleanup(dev);
+	component_unbind_all(dev->dev, dev);
 	drm_mode_config_cleanup(dev);
 	drm_release_iommu_mapping(dev);
 
···
 
 	drm_modeset_lock_all(dev);
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		if (connector->funcs->dpms)
-			connector->funcs->dpms(connector, connector->dpms);
+		if (connector->funcs->dpms) {
+			int dpms = connector->dpms;
+
+			connector->dpms = DRM_MODE_DPMS_OFF;
+			connector->funcs->dpms(connector, dpms);
+		}
 	}
 	drm_modeset_unlock_all(dev);
 

drivers/gpu/drm/exynos/exynos_drm_dsi.c

···
 				void *data)
 {
 	struct exynos_dsi *dsi = exynos_dsi_display.ctx;
-	struct drm_encoder *encoder = dsi->encoder;
 
 	exynos_dsi_dpms(&exynos_dsi_display, DRM_MODE_DPMS_OFF);
-
-	exynos_dsi_connector_destroy(&dsi->connector);
-	encoder->funcs->destroy(encoder);
 
 	mipi_dsi_host_unregister(&dsi->dsi_host);
 }

drivers/gpu/drm/exynos/exynos_drm_vidi.c

···
 {
 	struct exynos_drm_manager *mgr = platform_get_drvdata(pdev);
 	struct vidi_context *ctx = mgr->ctx;
-	struct drm_encoder *encoder = ctx->encoder;
 
 	if (ctx->raw_edid != (struct edid *)fake_edid_info) {
 		kfree(ctx->raw_edid);
···
 
 		return -EINVAL;
 	}
-
-	encoder->funcs->destroy(encoder);
-	drm_connector_cleanup(&ctx->connector);
 
 	return 0;
 }

drivers/gpu/drm/exynos/exynos_hdmi.c

···
 
 static void hdmi_unbind(struct device *dev, struct device *master, void *data)
 {
-	struct exynos_drm_display *display = get_hdmi_display(dev);
-	struct drm_encoder *encoder = display->encoder;
-	struct hdmi_context *hdata = display->ctx;
-
-	hdmi_connector_destroy(&hdata->connector);
-	encoder->funcs->destroy(encoder);
 }
 
 static const struct component_ops hdmi_component_ops = {