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rk30 lcdc:delay 30ms before disable lcdc clk

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This commit is contained in:
yxj
2013-07-03 10:46:56 +08:00
parent b81062c4cc
commit 06fdbd6756
1 changed files with 3 additions and 4 deletions
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7
drivers/video/rockchip/lcdc/rk30_lcdc.c Normal file → Executable file
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@@ -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;