From 9acd972b656829d09cc9d8499ea314defe4387e9 Mon Sep 17 00:00:00 2001 From: yxj Date: Tue, 19 Feb 2013 10:18:21 +0800 Subject: [PATCH] rk3188 lcdc:support set fps by sys --- drivers/video/rockchip/lcdc/rk3188_lcdc.c | 27 +++++++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) diff --git a/drivers/video/rockchip/lcdc/rk3188_lcdc.c b/drivers/video/rockchip/lcdc/rk3188_lcdc.c index 6b7f1d480549..b35c551c7598 100644 --- a/drivers/video/rockchip/lcdc/rk3188_lcdc.c +++ b/drivers/video/rockchip/lcdc/rk3188_lcdc.c @@ -646,7 +646,7 @@ static int win1_set_par(struct rk3188_lcdc_device *lcdc_dev,rk_screen *screen, lcdc_msk_reg(lcdc_dev, WIN_VIR,m_WIN1_VIR,v_WIN1_RGB888_VIRWIDTH(xvir)); lcdc_msk_reg(lcdc_dev,ALPHA_CTRL,m_WIN1_ALPHA_EN,v_WIN1_ALPHA_EN(0)); lcdc_msk_reg(lcdc_dev,SYS_CTRL,m_WIN1_RB_SWAP,v_WIN1_RB_SWAP(0)); - // lcdc_msk_reg(lcdc_dev,SYS_CTRL1,m_W1_RGB_RB_SWAP,v_W1_RGB_RB_SWAP(1)); + //lcdc_msk_reg(lcdc_dev,SYS_CTRL1,m_W1_RGB_RB_SWAP,v_W1_RGB_RB_SWAP(1)); break; case RGB565: //rgb565 fmt_cfg = 2; @@ -1147,11 +1147,34 @@ static int rk3188_lcdc_fps_mgr(struct rk_lcdc_device_driver *dev_drv,int fps,boo { struct rk3188_lcdc_device *lcdc_dev = container_of(dev_drv,struct rk3188_lcdc_device,driver); + rk_screen * screen = dev_drv->cur_screen; + u64 ft = 0; + u32 dotclk; + int ret; + u32 pixclock; + if(set) + { + ft = div_u64(1000000000000llu,fps); + dev_drv->pixclock = div_u64(ft,(screen->upper_margin + screen->lower_margin + screen->y_res +screen->vsync_len)* + (screen->left_margin + screen->right_margin + screen->x_res + screen->hsync_len)); + dotclk = div_u64(1000000000000llu,dev_drv->pixclock); + ret = clk_set_rate(lcdc_dev->dclk, dotclk); + if(ret) + { + printk(KERN_ERR ">>>>>> set lcdc%d dclk failed\n",lcdc_dev->id); + return 0; + } + } - u32 pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk)); + pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk)); + dev_drv->pixclock = lcdc_dev->pixclock = pixclock; fps = rk_fb_calc_fps(lcdc_dev->screen,pixclock); + screen->ft = 1000/fps ; //one frame time in ms + if(set) + dev_info(dev_drv->dev,"%s:dclk:%lu,fps:%d\n",__func__,clk_get_rate(lcdc_dev->dclk),fps); + return fps; } -- 2.34.1