From: yzq <yzq@rock-chips.com>
Date: Fri, 14 Oct 2011 04:41:07 +0000 (+0800)
Subject: rk29fb:close win0 win1 when suspend to fix display old frame when resume
X-Git-Tag: firefly_0821_release~9766^2~24
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a6b813e804c9468183d5d80a5720c20e48b31ba8;p=firefly-linux-kernel-4.4.55.git

rk29fb:close win0 win1 when suspend to fix display old frame when resume
---

diff --git a/drivers/video/rk29_fb.c b/drivers/video/rk29_fb.c
index 250a4ed8af52..6d1666484658 100755
--- a/drivers/video/rk29_fb.c
+++ b/drivers/video/rk29_fb.c
@@ -2814,6 +2814,7 @@ static void rk29fb_early_suspend(struct early_suspend *h)
 		fbprintk(">>>>>> power down the screen! \n");
 		inf->cur_screen->standby(1);
 	}
+	LcdMskReg(inf, SYS_CONFIG, m_W0_ENABLE | m_W1_ENABLE, v_W0_ENABLE(0) | v_W1_ENABLE(0));
 
     LcdMskReg(inf, DSP_CTRL0, m_HSYNC_POLARITY | m_VSYNC_POLARITY | m_DEN_POLARITY ,
        v_HSYNC_POLARITY(1) | v_VSYNC_POLARITY(1) | v_DEN_POLARITY(1) );