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 0600e32528d5e8d801ce6718d9a8ae3ba8f2e158..7f37d55294abed5bc68a85ce6b378f7ad1675cd0 100644 (file)
--- 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;
 }