rockchip:midgard:get policy from kernel as a param for mali dvfs

diff --git a/drivers/gpu/arm/midgard/platform/rk/mali_kbase_dvfs.c b/drivers/gpu/arm/midgard/platform/rk/mali_kbase_dvfs.c
index 5e6c62926b4464b402ee36786a6594dcc727c58c..ce8f72147fbcf05c531516a9f96582ff13e37efd 100755 (executable)
--- a/drivers/gpu/arm/midgard/platform/rk/mali_kbase_dvfs.c
+++ b/drivers/gpu/arm/midgard/platform/rk/mali_kbase_dvfs.c
@@ -41,6 +41,8 @@
 #include <linux/regulator/driver.h>
 #include <linux/rk_fb.h>
 
+#include <linux/rockchip/common.h>
+
 #include <platform/rk/mali_kbase_platform.h>
 #include <platform/rk/mali_kbase_dvfs.h>
 #include <mali_kbase_gator.h>
@@ -91,7 +93,7 @@ static void update_time_in_state(int level);
 static mali_dvfs_status mali_dvfs_status_current;
 
 #define LIMIT_FPS 60
-
+#define LIMIT_FPS_POWER_SAVE 50
 static void mali_dvfs_event_proc(struct work_struct *w)
 {
        unsigned long flags;
@@ -100,6 +102,8 @@ static void mali_dvfs_event_proc(struct work_struct *w)
        static int level_up_time = 0;
        struct rk_context *platform;
        u32 fps=0;
+       u32 fps_limit;
+       u32 policy;
        mutex_lock(&mali_enable_clock_lock);
        dvfs_status = &mali_dvfs_status_current;
 
@@ -112,49 +116,66 @@ static void mali_dvfs_event_proc(struct work_struct *w)
        fps = rk_get_real_fps(0);
 
        spin_lock_irqsave(&mali_dvfs_spinlock, flags);
-       if ((dvfs_status->utilisation > mali_dvfs_infotbl[dvfs_status->step].max_threshold) && (dvfs_status->step < MALI_DVFS_STEP-1) && (fps < LIMIT_FPS)) 
+       /*
+       policy = rockchip_pm_get_policy();
+       */
+       policy = ROCKCHIP_PM_POLICY_NORMAL;
+       if(ROCKCHIP_PM_POLICY_PERFORMANCE == policy)
+       {
+               /*
+               printk("policy : %d\n",policy);
+               */
+               dvfs_status->step = MALI_DVFS_STEP - 1; /*Highest level when performance mode*/
+       }
+       else 
        {
-               level_up_time++;
-               if(level_up_time == MALI_DVFS_TIME_INTERVAL)
+               fps_limit = (ROCKCHIP_PM_POLICY_NORMAL == policy)?LIMIT_FPS : LIMIT_FPS_POWER_SAVE;
+               /*
+               printk("policy : %d , fps_limit = %d\n",policy,fps_limit);
+               */
+               if ((dvfs_status->utilisation > mali_dvfs_infotbl[dvfs_status->step].max_threshold) && (dvfs_status->step < MALI_DVFS_STEP-1) && fps < fps_limit) 
                {
-                       /*
-                       printk("up,utilisation=%d,current clock=%d,fps = %d",dvfs_status->utilisation,mali_dvfs_infotbl[dvfs_status->step].clock,fps);
-                       */
-                       dvfs_status->step++;
+                       level_up_time++;
+                       if(level_up_time == MALI_DVFS_TIME_INTERVAL)
+                       {
+                               /*
+                               printk("up,utilisation=%d,current clock=%d,fps = %d",dvfs_status->utilisation,mali_dvfs_infotbl[dvfs_status->step].clock,fps);
+                               */
+                               dvfs_status->step++;
+                               level_up_time = 0;
+                               /*
+                               printk(" next clock=%d\n",mali_dvfs_infotbl[dvfs_status->step].clock);
+                               */
+                               BUG_ON(dvfs_status->step >= MALI_DVFS_STEP);
+                       }
+                       level_down_time = 0;
+               } 
+               else if((dvfs_status->step > 0) && (dvfs_status->utilisation < mali_dvfs_infotbl[dvfs_status->step].min_threshold)) 
+               /*else if((dvfs_status->step > 0) && (platform->time_tick == MALI_DVFS_TIME_INTERVAL) && (platform->utilisation < mali_dvfs_infotbl[dvfs_status->step].min_threshold)) */
+               {
+                       level_down_time++;
+                       if(level_down_time==MALI_DVFS_TIME_INTERVAL)
+                       {
+                               /*
+                               printk("down,utilisation=%d,current clock=%d,fps = %d",dvfs_status->utilisation,mali_dvfs_infotbl[dvfs_status->step].clock,fps);
+                               */
+                               BUG_ON(dvfs_status->step <= 0);
+                               dvfs_status->step--;
+                               level_down_time = 0;
+                               /*
+                               printk(" next clock=%d\n",mali_dvfs_infotbl[dvfs_status->step].clock);
+                               */
+                       }
                        level_up_time = 0;
-                       /*
-                       printk(" next clock=%d\n",mali_dvfs_infotbl[dvfs_status->step].clock);
-                       */
-                       BUG_ON(dvfs_status->step >= MALI_DVFS_STEP);
                }
-               level_down_time = 0;
-
-       } 
-       else if((dvfs_status->step > 0) && (dvfs_status->utilisation < mali_dvfs_infotbl[dvfs_status->step].min_threshold)) 
-       /*else if((dvfs_status->step > 0) && (platform->time_tick == MALI_DVFS_TIME_INTERVAL) && (platform->utilisation < mali_dvfs_infotbl[dvfs_status->step].min_threshold)) */
-       {
-               level_down_time++;
-               if(level_down_time==MALI_DVFS_TIME_INTERVAL)
+               else
                {
-                       /*
-                       printk("down,utilisation=%d,current clock=%d,fps = %d",dvfs_status->utilisation,mali_dvfs_infotbl[dvfs_status->step].clock,fps);
-                       */
-                       BUG_ON(dvfs_status->step <= 0);
-                       dvfs_status->step--;
                        level_down_time = 0;
+                       level_up_time = 0;
                        /*
-                       printk(" next clock=%d\n",mali_dvfs_infotbl[dvfs_status->step].clock);
-                       */
+                       printk("keep,utilisation=%d,current clock=%d,fps = %d\n",dvfs_status->utilisation,mali_dvfs_infotbl[dvfs_status->step].clock,fps);
+                       */              
                }
-               level_up_time = 0;
-       }
-       else
-       {
-               level_down_time = 0;
-               level_up_time = 0;
-               /*
-               printk("keep,utilisation=%d,current clock=%d,fps = %d\n",dvfs_status->utilisation,mali_dvfs_infotbl[dvfs_status->step].clock,fps);
-               */              
        }
 #ifdef CONFIG_MALI_MIDGARD_FREQ_LOCK
        if ((dvfs_status->upper_lock >= 0) && (dvfs_status->step > dvfs_status->upper_lock))