ddrfreq: ddr enter auto_self_refresh when early suspend

diff --git a/arch/arm/mach-rockchip/ddr_freq.c b/arch/arm/mach-rockchip/ddr_freq.c
index 17d3820714b7d61275045b0dfd7a1af422c1b633..fc17d9941a292d26c541113c7c144b4d2ac30c8b 100644 (file)
--- 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();