From: yzq <yzq@rock-chips.com>
Date: Wed, 17 Oct 2012 08:59:45 +0000 (+0800)
Subject: rk_fb: one lcdc dual screen mode,if plug hdmi,not blank lcdc.
X-Git-Tag: firefly_0821_release~8390
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=216db9ff010466023c66e040051c7ad6092886b7;p=firefly-linux-kernel-4.4.55.git

rk_fb: one lcdc dual screen mode,if plug hdmi,not blank lcdc.
---

diff --git a/drivers/video/rockchip/rk_fb.c b/drivers/video/rockchip/rk_fb.c
index 5bfe1540011c..0a2507c2f618 100644
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -304,10 +304,17 @@ static int rk_fb_blank(int blank_mode, struct fb_info *info)
 	{
 		return  -ENODEV;
 	}
-	
-    	dev_drv->blank(dev_drv,layer_id,blank_mode);
-
-    	return 0;
+#if defined(CONFIG_RK_HDMI)
+#if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)
+	if(hdmi_get_hotplug() == HDMI_HPD_ACTIVED){
+		printk("hdmi is connect , not blank lcdc\n");
+	}else
+#endif
+#endif
+	{
+		dev_drv->blank(dev_drv,layer_id,blank_mode);
+	}
+	return 0;
 }
 
 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)