From: Mark Yao <mark.yao@rock-chips.com>
Date: Wed, 14 Jun 2017 00:57:35 +0000 (+0800)
Subject: drm/rockchip: vop: correct clk_set_parent return value check
X-Git-Tag: release-20171130_firefly~4^2~403
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=344aecd4198c436c84251e8415191b0648f6f9c7;p=firefly-linux-kernel-4.4.55.git

drm/rockchip: vop: correct clk_set_parent return value check

Change-Id: I3da501169739759426c83a3b7e6e255c717e226c
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 ca779ea5869e..266ee026c672 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -1666,7 +1666,7 @@ static void vop_crtc_enable(struct drm_crtc *crtc)
 	VOP_CTRL_SET(vop, pin_pol, val);
 
 	if (vop->dclk_source && s->pll && s->pll->pll) {
-		if (!clk_set_parent(vop->dclk_source, s->pll->pll))
+		if (clk_set_parent(vop->dclk_source, s->pll->pll))
 			DRM_DEV_ERROR(vop->dev,
 				      "failed to set dclk's parents\n");
 	}