From: yxj <yxj@rock-chips.com>
Date: Fri, 26 Apr 2013 03:58:36 +0000 (+0800)
Subject: rk3188 lcdc:make sure turn off dither for 24bit display device
X-Git-Tag: firefly_0821_release~7209
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b6657ffb1070d3a0feb677fdac9e23c15255a659;p=firefly-linux-kernel-4.4.55.git

rk3188 lcdc:make sure turn off dither for 24bit display device
---

diff --git a/drivers/video/rockchip/lcdc/rk3188_lcdc.c b/drivers/video/rockchip/lcdc/rk3188_lcdc.c
index 9c490b41d5dc..8ac6fa3ad2e2 100644
--- a/drivers/video/rockchip/lcdc/rk3188_lcdc.c
+++ b/drivers/video/rockchip/lcdc/rk3188_lcdc.c
@@ -503,6 +503,8 @@ static int rk3188_load_screen(struct rk_lcdc_device_driver *dev_drv, bool initsc
 			break;
 		case OUT_P888:
 			face = OUT_P888;
+			lcdc_msk_reg(lcdc_dev,DSP_CTRL0,m_DITHER_DOWN_EN | m_DITHER_UP_EN,
+					v_DITHER_DOWN_EN(0) | v_DITHER_UP_EN(0));
 			break;
 		default:
 			printk("unsupported display output interface!\n");