From: Mark Yao <mark.yao@rock-chips.com>
Date: Fri, 29 Apr 2016 07:08:24 +0000 (+0800)
Subject: drm/rockchip: vop: Initialize vskiplines to zero
X-Git-Tag: firefly_0821_release~2692
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=47510f4818dba13c4ca99e292bcd74a552ec2d92;p=firefly-linux-kernel-4.4.55.git

drm/rockchip: vop: Initialize vskiplines to zero

There is a path that use vskiplines with non-initialize.
That would cause vop abnormal behavior.

Change-Id: I53c6c575d6acc16aeae761dbb4867f3bc8bfe5ce
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
---

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 1a55b9ed15a8..efa92936d303 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -341,7 +341,7 @@ static void scl_vop_cal_scl_fac(struct vop *vop, struct vop_win *win,
 	uint16_t vsu_mode;
 	uint16_t lb_mode;
 	uint32_t val;
-	int vskiplines;
+	int vskiplines = 0;
 
 	if (!win->phy->scl)
 		return;