From 143ce6175c9ea9654fea6f944662cbe195ca4a78 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=E9=99=88=E4=BA=AE?= <cl@rock-chips.com>
Date: Mon, 2 Jun 2014 23:41:46 -0700
Subject: [PATCH] ddrfreq: ddr enter auto_self_refresh when early suspend

---
 arch/arm/mach-rockchip/ddr_freq.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-rockchip/ddr_freq.c b/arch/arm/mach-rockchip/ddr_freq.c
index 17d3820714b7..fc17d9941a29 100644
--- a/arch/arm/mach-rockchip/ddr_freq.c
+++ b/arch/arm/mach-rockchip/ddr_freq.c
@@ -263,6 +263,7 @@ static noinline long ddrfreq_work(unsigned long sys_status)
 	long timeout = MAX_SCHEDULE_TIMEOUT;
 	unsigned long target_rate = 0;
 	unsigned long s = sys_status;
+	bool auto_self_refresh = false;
 	char *mode = NULL;
 
 	dprintk(DEBUG_VERBOSE, "sys_status %02lx\n", sys_status);
@@ -278,6 +279,7 @@ static noinline long ddrfreq_work(unsigned long sys_status)
 	if (ddr.suspend_rate && (s & SYS_STATUS_SUSPEND)) {
 		if (ddr.suspend_rate > target_rate) {
 			target_rate = ddr.suspend_rate;
+			auto_self_refresh = true;
 			mode = "suspend";
 		}
 	}
@@ -285,6 +287,7 @@ static noinline long ddrfreq_work(unsigned long sys_status)
 	if (ddr.performance_rate && (s & SYS_STATUS_PERFORMANCE)) {
 		if (ddr.performance_rate > target_rate) {
 			target_rate = ddr.performance_rate;
+			auto_self_refresh = false;
 			mode = "performance";
 		}
 	}
@@ -293,6 +296,7 @@ static noinline long ddrfreq_work(unsigned long sys_status)
 		(s & SYS_STATUS_LCDC0) && (s & SYS_STATUS_LCDC1)) {
 		 if (ddr.dualview_rate > target_rate) {
 			 target_rate = ddr.dualview_rate;
+			 auto_self_refresh = false;
 			 mode = "dual-view";
 		 }
 	 }
@@ -301,6 +305,7 @@ static noinline long ddrfreq_work(unsigned long sys_status)
 		(s & SYS_STATUS_HDMI)) {
 		 if (ddr.hdmi_rate > target_rate) {
 			 target_rate = ddr.hdmi_rate;
+			 auto_self_refresh = false;
 			 mode = "hdmi";
 		 }
 	 }
@@ -308,6 +313,7 @@ static noinline long ddrfreq_work(unsigned long sys_status)
 	if (ddr.video_4k_rate && (s & SYS_STATUS_VIDEO_4K)) {
 		if (ddr.video_4k_rate > target_rate) {
 			target_rate = ddr.video_4k_rate;
+			auto_self_refresh = false;
 			mode = "video_4k";
 		}
 	}
@@ -315,6 +321,7 @@ static noinline long ddrfreq_work(unsigned long sys_status)
 	if (ddr.video_1080p_rate && (s & SYS_STATUS_VIDEO_1080P)) {
 		if (ddr.video_1080p_rate > target_rate) {
 			target_rate = ddr.video_1080p_rate;
+			auto_self_refresh = false;
 			mode = "video_1080p";
 		}
 	}
@@ -322,12 +329,13 @@ static noinline long ddrfreq_work(unsigned long sys_status)
 	if (ddr.isp_rate && (s & SYS_STATUS_ISP)) {
 		if (ddr.isp_rate > target_rate) {
 			target_rate = ddr.isp_rate;
+			auto_self_refresh = false;
 			mode = "isp";
 		}
 	}
 
 	if (target_rate > 0) {
-		ddrfreq_mode(false, target_rate, mode);
+		ddrfreq_mode(auto_self_refresh, target_rate, mode);
 	} else {
 		if (ddr.auto_freq) {
 			ddr_auto_freq();
-- 
2.34.1