From: zyc <zyc@rock-chips.com>
Date: Tue, 14 Jun 2011 04:48:25 +0000 (-0700)
Subject: "fb:reinit the vars when opening the fb1."
X-Git-Tag: firefly_0821_release~10199
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=55b4e889d4e9e0b1dc75fcd3380090ed29689f3e;p=firefly-linux-kernel-4.4.55.git

"fb:reinit the vars when opening the fb1."

1. 解决旋转情况下,预览过程中，按下power键休眠，唤醒时显示异常
2. 解决旋转情况下播放视频，切换上下曲时有时会花屏一下
---

diff --git a/drivers/video/rk29_fb.c b/drivers/video/rk29_fb.c
old mode 100644
new mode 100755
index 714dda637725..791b87b64da8
--- a/drivers/video/rk29_fb.c
+++ b/drivers/video/rk29_fb.c
@@ -1888,7 +1888,7 @@ static int fb1_set_par(struct fb_info *info)
 
 #if CONFIG_FB_ROTATE_VIDEO
 //need refresh	,zyc add		
-	if(has_set_rotate == true)
+	if((has_set_rotate == true) && (last_yuv_phy[0] != 0) && (last_yuv_phy[1] != 0))
 	{
 		u32 yuv_phy[2];
 		struct rk29_ipp_req ipp_req;
@@ -1987,6 +1987,12 @@ int fb1_open(struct fb_info *info, int user)
     par->addr_seted = 0;
     inf->video_mode = 1;
     wq_condition2 = 1;
+#if CONFIG_FB_ROTATE_VIDEO
+   //reinitialize  the var when open,zyc
+    last_yuv_phy[0] = 0;
+    last_yuv_phy[1] = 0;
+    has_set_rotate = 0;
+#endif
     if(par->refcount) {
         printk(">>>>>> fb1 has opened! \n");
         return -EACCES;