From: yxj <yxj@rock-chips.com>
Date: Fri, 1 Feb 2013 09:52:27 +0000 (+0800)
Subject: rk fb:stop  vsync thread when rk fb shut down
X-Git-Tag: firefly_0821_release~7646
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0fa2fd8d71c865453b2e632fe840c730d3d5a91b;p=firefly-linux-kernel-4.4.55.git

rk fb:stop  vsync thread when rk fb shut down
---

diff --git a/drivers/video/rockchip/rk_fb.c b/drivers/video/rockchip/rk_fb.c
index 9ff5f6f13f48..d632d8b5cefe 100644
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -1352,7 +1352,16 @@ static int __devexit rk_fb_remove(struct platform_device *pdev)
 
 static void rk_fb_shutdown(struct platform_device *pdev)
 {
-//	struct rk_fb_inf *fb_inf = platform_get_drvdata(pdev);
+	struct rk_fb_inf *inf = platform_get_drvdata(pdev);
+	int i;
+	for(i = 0; i < inf->num_lcdc; i++)
+	{
+		if (!inf->lcdc_dev_drv[i])
+			continue;
+
+		if(inf->lcdc_dev_drv[i]->vsync_info.thread)
+			kthread_stop(inf->lcdc_dev_drv[i]->vsync_info.thread);
+	}
 //	kfree(fb_inf);
 //	platform_set_drvdata(pdev, NULL);
 #ifdef CONFIG_HAS_EARLYSUSPEND