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rk fb: modify wait_event to wait_event_timeout for update_regs_wait

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This commit is contained in:
zwl
2014-06-18 09:29:14 +08:00
parent e288a66e3d
commit a62d7f6461
1 changed files with 11 additions and 5 deletions
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16
drivers/video/rockchip/rk_fb.c
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@@ -1973,11 +1973,17 @@ static int rk_fb_set_win_config(struct fb_info *info,
list_is_empty = list_empty(&dev_drv->update_regs_list) &&
list_empty(&saved_list);
mutex_unlock(&dev_drv->update_regs_list_lock);
if (!list_is_empty)
wait_event(dev_drv->update_regs_wait,
list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list));
rk_fb_update_reg(dev_drv, regs);
if (!list_is_empty) {
ret = wait_event_timeout(dev_drv->update_regs_wait,
list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
msecs_to_jiffies(60));
if (ret > 0)
rk_fb_update_reg(dev_drv, regs);
else
printk("%s: wait update_regs_wait timeout\n", __func__);
} else if (ret == 0) {
rk_fb_update_reg(dev_drv, regs);
}
kfree(regs);
}