From: yxj <yxj@rock-chips.com>
Date: Wed, 2 May 2012 09:27:11 +0000 (+0800)
Subject: disable the lcdc which HDMI is used when the HDMI unplug
X-Git-Tag: firefly_0821_release~9275
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4953aacb214688c705616ce8b0962b2d1b5a51fa;p=firefly-linux-kernel-4.4.55.git

disable the lcdc which HDMI is used when the HDMI unplug
---

diff --git a/drivers/video/rockchip/rk_fb.c b/drivers/video/rockchip/rk_fb.c
index 380a67d5295c..c8454cab3790 100644
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -595,6 +595,7 @@ int rk_fb_switch_screen(rk_screen *screen ,int enable ,int lcdc_id)
 	char name[6];
 	int ret;
 	int i;
+	int layer_id;
 	sprintf(name, "lcdc%d",lcdc_id);
 	for(i = 0; i < inf->num_lcdc; i++)
 	{
@@ -612,6 +613,7 @@ int rk_fb_switch_screen(rk_screen *screen ,int enable ,int lcdc_id)
 		
 	}
 
+	
 	if((lcdc_id == 0) || (inf->num_lcdc == 1))
 	{
 		info = inf->fb[0];
@@ -620,6 +622,12 @@ int rk_fb_switch_screen(rk_screen *screen ,int enable ,int lcdc_id)
 	{
 		info = inf->fb[2];
 	}
+
+	layer_id = get_fb_layer_id(&info->fix);
+	if(!enable)
+	{
+		dev_drv->open(dev_drv,layer_id,enable); //disable the layer which attached to this fb
+	}
 	
 	hdmi_var = &info->var;
 	hdmi_fix = &info->fix;