Merge branch 'drm-next0401' of git://github.com/markyzq/kernel-drm-rockchip into drm-next

These are based on drm-next branch, fix some drm/rockchip problem.
   Please pull them.

* 'drm-next0401' of git://github.com/markyzq/kernel-drm-rockchip:
  drm/rockchip: vop: add vop power domain support
  drm: rockchip: Turn off VT switching on suspend
  drm/rockchip: register all connectors after bind
  drm/rockchip: fix clk enable disable mismatch in vop_crtc_mode_set

drivers/gpu/drm/rockchip/rockchip_drm_drv.c

@@ -129,6 +129,7 @@ static int rockchip_drm_load(struct drm_device *drm_dev, unsigned long flags)
 	struct rockchip_drm_private *private;
 	struct dma_iommu_mapping *mapping;
 	struct device *dev = drm_dev->dev;
+	struct drm_connector *connector;
 	int ret;
 
 	private = devm_kzalloc(drm_dev->dev, sizeof(*private), GFP_KERNEL);
@@ -171,6 +172,23 @@ static int rockchip_drm_load(struct drm_device *drm_dev, unsigned long flags)
 	if (ret)
 		goto err_detach_device;
 
+	/*
+	 * All components are now added, we can publish the connector sysfs
+	 * entries to userspace.  This will generate hotplug events and so
+	 * userspace will expect to be able to access DRM at this point.
+	 */
+	list_for_each_entry(connector, &drm_dev->mode_config.connector_list,
+			head) {
+		ret = drm_connector_register(connector);
+		if (ret) {
+			dev_err(drm_dev->dev,
+				"[CONNECTOR:%d:%s] drm_connector_register failed: %d\n",
+				connector->base.id,
+				connector->name, ret);
+			goto err_unbind;
+		}
+	}
+
 	/* init kms poll for handling hpd */
 	drm_kms_helper_poll_init(drm_dev);
 
@@ -200,6 +218,7 @@ err_vblank_cleanup:
 	drm_vblank_cleanup(drm_dev);
 err_kms_helper_poll_fini:
 	drm_kms_helper_poll_fini(drm_dev);
+err_unbind:
 	component_unbind_all(dev, drm_dev);
 err_detach_device:
 	arm_iommu_detach_device(dev);

drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c

@@ -119,6 +119,9 @@ static int rockchip_drm_fbdev_create(struct drm_fb_helper *helper,
 	DRM_DEBUG_KMS("FB [%dx%d]-%d kvaddr=%p offset=%ld size=%d\n",
 		      fb->width, fb->height, fb->depth, rk_obj->kvaddr,
 		      offset, size);
+
+	fbi->skip_vt_switch = true;
+
 	return 0;
 
 err_drm_framebuffer_unref:

drivers/gpu/drm/rockchip/rockchip_drm_vop.c

@@ -421,6 +421,12 @@ static void vop_enable(struct drm_crtc *crtc)
 	if (vop->is_enabled)
 		return;
 
+	ret = pm_runtime_get_sync(vop->dev);
+	if (ret < 0) {
+		dev_err(vop->dev, "failed to get pm runtime: %d\n", ret);
+		return;
+	}
+
 	ret = clk_enable(vop->hclk);
 	if (ret < 0) {
 		dev_err(vop->dev, "failed to enable hclk - %d\n", ret);
@@ -517,6 +523,7 @@ static void vop_disable(struct drm_crtc *crtc)
 	clk_disable(vop->dclk);
 	clk_disable(vop->aclk);
 	clk_disable(vop->hclk);
+	pm_runtime_put(vop->dev);
 }
 
 /*
@@ -893,7 +900,7 @@ static int vop_crtc_mode_set(struct drm_crtc *crtc,
 	u16 vsync_len = adjusted_mode->vsync_end - adjusted_mode->vsync_start;
 	u16 vact_st = adjusted_mode->vtotal - adjusted_mode->vsync_start;
 	u16 vact_end = vact_st + vdisplay;
-	int ret;
+	int ret, ret_clk;
 	uint32_t val;
 
 	/*
@@ -915,7 +922,8 @@ static int vop_crtc_mode_set(struct drm_crtc *crtc,
 	default:
 		DRM_ERROR("unsupport connector_type[%d]\n",
 			  vop->connector_type);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out;
 	};
 	VOP_CTRL_SET(vop, out_mode, vop->connector_out_mode);
 
@@ -938,7 +946,7 @@ static int vop_crtc_mode_set(struct drm_crtc *crtc,
 
 	ret = vop_crtc_mode_set_base(crtc, x, y, fb);
 	if (ret)
-		return ret;
+		goto out;
 
 	/*
 	 * reset dclk, take all mode config affect, so the clk would run in
@@ -949,13 +957,14 @@ static int vop_crtc_mode_set(struct drm_crtc *crtc,
 	reset_control_deassert(vop->dclk_rst);
 
 	clk_set_rate(vop->dclk, adjusted_mode->clock * 1000);
-	ret = clk_enable(vop->dclk);
-	if (ret < 0) {
-		dev_err(vop->dev, "failed to enable dclk - %d\n", ret);
-		return ret;
+out:
+	ret_clk = clk_enable(vop->dclk);
+	if (ret_clk < 0) {
+		dev_err(vop->dev, "failed to enable dclk - %d\n", ret_clk);
+		return ret_clk;
 	}
 
-	return 0;
+	return ret;
 }
 
 static void vop_crtc_commit(struct drm_crtc *crtc)