diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index 22ae57c407c3..5f74323b256a 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -15454,13 +15454,6 @@ static int vop2_bind(struct device *dev, struct device *master, void *data)
 		INIT_WORK(&vop2->post_buf_empty_work, post_buf_empty_work_event);
 	}
 
-	if (vop2->merge_irq == false)
-		ret = devm_request_irq(dev, vop2->irq, vop3_sys_isr, IRQF_SHARED, dev_name(dev), vop2);
-	else
-		ret = devm_request_irq(dev, vop2->irq, vop2_isr, IRQF_SHARED, dev_name(dev), vop2);
-	if (ret)
-		return ret;
-
 	vop2_dovi_data_init(vop2);
 	vop2_dsc_data_init(vop2);
 
@@ -15468,6 +15461,30 @@ static int vop2_bind(struct device *dev, struct device *master, void *data)
 	if (registered_num_crtcs <= 0)
 		return -ENODEV;
 
+	ret = vop2_gamma_init(vop2);
+	if (ret)
+		return ret;
+	vop2_clk_init(vop2);
+	vop2_cubic_lut_init(vop2);
+	vop2_wb_connector_init(vop2, registered_num_crtcs);
+	rockchip_drm_dma_init_device(drm_dev, vop2->dev);
+	pm_runtime_enable(&pdev->dev);
+	rockchip_vop2_devfreq_init(vop2);
+
+	/**
+	 * At MOS environment, the irq handle may be triggered immediately
+	 * after request irq, the irq handle maybe access vop2 memory, e.g.,
+	 * vop3_vp_isr() -> vop2_wb_handler() access vop2->wb->regs,
+	 * so move devm_request_irq() to the end of this function to make sure
+	 * vop2 is initialized.
+	 */
+	if (vop2->merge_irq == false)
+		ret = devm_request_irq(dev, vop2->irq, vop3_sys_isr, IRQF_SHARED, dev_name(dev), vop2);
+	else
+		ret = devm_request_irq(dev, vop2->irq, vop2_isr, IRQF_SHARED, dev_name(dev), vop2);
+	if (ret)
+		return ret;
+
 	if (vop2->merge_irq == false) {
 		struct drm_crtc *crtc;
 		char irq_name[12];
@@ -15491,16 +15508,6 @@ static int vop2_bind(struct device *dev, struct device *master, void *data)
 		}
 	}
 
-	ret = vop2_gamma_init(vop2);
-	if (ret)
-		return ret;
-	vop2_clk_init(vop2);
-	vop2_cubic_lut_init(vop2);
-	vop2_wb_connector_init(vop2, registered_num_crtcs);
-	rockchip_drm_dma_init_device(drm_dev, vop2->dev);
-	pm_runtime_enable(&pdev->dev);
-	rockchip_vop2_devfreq_init(vop2);
-
 	return 0;
 }