drm/rockchip: inno_hdmi: Move ddc/i2c configuration and HOTPLUG unmute to inno_hdmi_init_hw

Putting these scattered initialization code together is helpful
for the following migration to the DRM bridge driver mode.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20250512124615.2848731-6-andyshrk@163.com

Author: Andy Yan

drivers/gpu/drm/rockchip/inno_hdmi.c

@@ -620,6 +620,21 @@ static void inno_hdmi_init_hw(struct inno_hdmi *hdmi)
 	hdmi_modb(hdmi, HDMI_SYS_CTRL, msk, val);
 
 	inno_hdmi_standby(hdmi);
+
+	/*
+	 * When the controller isn't configured to an accurate
+	 * video timing and there is no reference clock available,
+	 * then the TMDS clock source would be switched to PCLK_HDMI,
+	 * so we need to init the TMDS rate to PCLK rate, and
+	 * reconfigure the DDC clock.
+	 */
+	if (hdmi->refclk)
+		inno_hdmi_i2c_init(hdmi, clk_get_rate(hdmi->refclk));
+	else
+		inno_hdmi_i2c_init(hdmi, clk_get_rate(hdmi->pclk));
+
+	/* Unmute hotplug interrupt */
+	hdmi_modb(hdmi, HDMI_STATUS, m_MASK_INT_HOTPLUG, v_MASK_INT_HOTPLUG(1));
 }
 
 static int inno_hdmi_disable_frame(struct drm_connector *connector,
@@ -1299,27 +1314,12 @@ static int inno_hdmi_bind(struct device *dev, struct device *master,
 		goto err_disable_clk;
 	}
 
-	/*
-	 * When the controller isn't configured to an accurate
-	 * video timing and there is no reference clock available,
-	 * then the TMDS clock source would be switched to PCLK_HDMI,
-	 * so we need to init the TMDS rate to PCLK rate, and
-	 * reconfigure the DDC clock.
-	 */
-	if (hdmi->refclk)
-		inno_hdmi_i2c_init(hdmi, clk_get_rate(hdmi->refclk));
-	else
-		inno_hdmi_i2c_init(hdmi, clk_get_rate(hdmi->pclk));
-
 	ret = inno_hdmi_register(drm, hdmi);
 	if (ret)
 		goto err_put_adapter;
 
 	dev_set_drvdata(dev, hdmi);
 
-	/* Unmute hotplug interrupt */
-	hdmi_modb(hdmi, HDMI_STATUS, m_MASK_INT_HOTPLUG, v_MASK_INT_HOTPLUG(1));
-
 	ret = devm_request_threaded_irq(dev, irq, inno_hdmi_hardirq,
 					inno_hdmi_irq, IRQF_SHARED,
 					dev_name(dev), hdmi);