From: yxj <yxj@rock-chips.com>
Date: Wed, 30 Jan 2013 09:41:17 +0000 (+0800)
Subject: rk3188 lcdc: implement rk3188_lcdc_fps_mgr
X-Git-Tag: firefly_0821_release~7676
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=92936941a3a916b16ed79e8cbf8c669498649578;p=firefly-linux-kernel-4.4.55.git

rk3188 lcdc: implement rk3188_lcdc_fps_mgr
---

diff --git a/drivers/video/rockchip/lcdc/rk3188_lcdc.c b/drivers/video/rockchip/lcdc/rk3188_lcdc.c
index 0600e32528d5..7f37d55294ab 100644
--- a/drivers/video/rockchip/lcdc/rk3188_lcdc.c
+++ b/drivers/video/rockchip/lcdc/rk3188_lcdc.c
@@ -1059,7 +1059,14 @@ static ssize_t rk3188_lcdc_get_disp_info(struct rk_lcdc_device_driver *dev_drv,c
 
 static int rk3188_lcdc_fps_mgr(struct rk_lcdc_device_driver *dev_drv,int fps,bool set)
 {
-	return 0;
+	struct rk3188_lcdc_device *lcdc_dev = 
+		container_of(dev_drv,struct rk3188_lcdc_device,driver);
+	
+	u32 pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
+	
+	fps = rk_fb_calc_fps(lcdc_dev->screen,pixclock);
+
+	return fps;
 }