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

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This commit is contained in:
xxm
2014-05-05 18:16:30 +08:00
parent bf90b0680d
commit a53d07fa19
1 changed files with 60 additions and 39 deletions
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99
drivers/gpu/arm/midgard/platform/rk/mali_kbase_dvfs.c
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@@ -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)
{
level_up_time++;
if(level_up_time == MALI_DVFS_TIME_INTERVAL)
/*
printk("policy : %d\n",policy);
*/
dvfs_status->step = MALI_DVFS_STEP - 1; /*Highest level when performance mode*/
}
else
{
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;
}
else
{
level_down_time = 0;
level_up_time = 0;
/*
printk(" next clock=%d\n",mali_dvfs_infotbl[dvfs_status->step].clock);
*/
BUG_ON(dvfs_status->step >= MALI_DVFS_STEP);
printk("keep,utilisation=%d,current clock=%d,fps = %d\n",dvfs_status->utilisation,mali_dvfs_infotbl[dvfs_status->step].clock,fps);
*/
}
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;
}
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))