From: yxj <yxj@rock-chips.com>
Date: Wed, 3 Jul 2013 02:46:56 +0000 (+0800)
Subject: rk30 lcdc:delay 30ms before disable lcdc clk
X-Git-Tag: firefly_0821_release~6914
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=06fdbd6756a2e2860ac4442f79c99bd6a4e7ae6a;p=firefly-linux-kernel-4.4.55.git

rk30 lcdc:delay 30ms before disable lcdc clk
---

diff --git a/drivers/video/rockchip/lcdc/rk30_lcdc.c b/drivers/video/rockchip/lcdc/rk30_lcdc.c
old mode 100644
new mode 100755
index 87cac6605ebb..3b23b55ed091
--- a/drivers/video/rockchip/lcdc/rk30_lcdc.c
+++ b/drivers/video/rockchip/lcdc/rk30_lcdc.c
@@ -59,7 +59,7 @@ static int rk30_lcdc_clk_disable(struct rk30_lcdc_device *lcdc_dev)
 	spin_lock(&lcdc_dev->reg_lock);
 	lcdc_dev->clk_on = 0;
 	spin_unlock(&lcdc_dev->reg_lock);
-	
+	mdelay(30);
 	clk_disable(lcdc_dev->dclk);
 	clk_disable(lcdc_dev->hclk);
 	clk_disable(lcdc_dev->aclk);
@@ -1276,7 +1276,7 @@ static int rk30_lcdc_fps_mgr(struct rk_lcdc_device_driver *dev_drv,int fps,bool
 	    	dev_drv->pixclock = lcdc_dev->pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
 			
 	}
-	
+
 	ft = (u64)(screen->upper_margin + screen->lower_margin + screen->y_res +screen->vsync_len)*
 	(screen->left_margin + screen->right_margin + screen->x_res + screen->hsync_len)*
 	(dev_drv->pixclock);       // one frame time ,(pico seconds)
@@ -1385,8 +1385,7 @@ int rk30_lcdc_early_suspend(struct rk_lcdc_device_driver *dev_drv)
 		spin_unlock(&lcdc_dev->reg_lock);
 		return 0;
 	}
-	
-	mdelay(30);	
+		
 	rk30_lcdc_clk_disable(lcdc_dev);
 
 	return 0;