int pvr_set_policy(enum gpu_clk_mode mode)
{
int ret = 0;
unsigned long freq_wanted;
int vdd_wanted;
char pll[20];
//mode = GPU_PERFORMANCE_L1;
if (mode < 0 || mode >= GPU_NUMBER_OF_POLICY || mode == owl_gpu.clk_mode)
{
DEBUG_PRINTK("owl_gpu_fun_active mode not changed %d\n",mode);
ret = -1;
goto exit_out;
}
vdd_wanted = owl_gpu.current_gpu_config->gpu_policy[mode].vdd;
freq_wanted = owl_gpu.current_gpu_config->gpu_policy[mode].freq;
strcpy(pll,owl_gpu.current_gpu_config->gpu_policy[mode].pll);
owl_gpu.bactive_clk = 1;
if(mode > owl_gpu.clk_mode) //ascend freq---first ascend vdd then ascend freq
{
if(set_gpu_vdd(gpu_regulator,vdd_wanted))
{
DEBUG_PRINTK("set_gpu_vdd error!\n");
ret = -1;
goto exit_out;
}
if(set_gpu_freq(freq_wanted,pll))
{
DEBUG_PRINTK("set_gpu_freq error!\n");//TODO: exception handle
ret = -1;
goto exit_out;
}
}
else if(mode < owl_gpu.clk_mode)//Lower freq---first lower freq then lower vdd
{
if(set_gpu_freq(freq_wanted,pll))
{
DEBUG_PRINTK("set_gpu_freq error!\n");
ret = -1;
goto exit_out;
}
if(set_gpu_vdd(gpu_regulator,vdd_wanted))
{
DEBUG_PRINTK("set_gpu_vdd error!\n");//TODO: exception handle
ret = -1;
goto exit_out;
}
}
//DEBUG_PRINTK("mode: [%d-->%d], vdd: %ld, freq: %ld !\n",owl_gpu.clk_mode,mode,get_gpu_vdd()/1000, owl_gpu.current_coreclk/1000000);
DEBUG_PRINTK("mode: [%d-->%d] !\n",owl_gpu.clk_mode,mode);
owl_gpu.clk_mode = mode;
exit_out:
owl_gpu.bactive_clk = 0;
return ret;
}
/*
***************************************************************
@Function :mali_change_mode
@Description :Change the mode of gpu
@Input :mode
@Return :mode
***************************************************************
*/
mali_power_mode mali_change_mode(mali_power_mode mode)
{
int cur_vol;
cur_vol = regulator_get_voltage(mali_regulator);
if(vol_list[mode] > cur_vol)
{
set_gpu_voltage(vol_list[mode]);
set_gpu_freq(freq_list[mode]);
}
else if(vol_list[mode] < cur_vol)
{
set_gpu_freq(freq_list[mode]);
set_gpu_voltage(vol_list[mode]);
}
return mode;
}
void *ref1(void*){
int target_fps = 0;
int target_Ug = 0;
int target_Uc = 0;
start_sampling = 1;
int fps;
int Ug;
static unsigned long long Ug_bp,Ug_tp;
get_gpu_time(&Ug_bp,&Ug_tp);
int Uc;
static unsigned long long Uc_bp,Uc_tp;
get_cpu_time(4,&Uc_bp,&Uc_tp);
int Fc,Fg;
while(true){
if(game == -1){sleep(1);start_sampling=1;continue;}
Fc=get_cpu_freq(0);
Fg=get_gpu_freq();
//printf("Sample%d Fc=%d,Fg=%d,Uc=%d,Ug=%d\n",start_sampling,get_cpu_freq(0),get_gpu_freq(),Uc,Ug);
if(start_sampling == 1){
fps = get_fps(binder);
Uc = get_cpu_util(4,&Uc_bp,&Uc_tp);
Ug = get_gpu_util(&Ug_bp,&Ug_tp);
printf("Sample%d Fc=%d,Fg=%d,Uc=%d,Ug=%d\n",start_sampling,Fc,Fg,Uc,Ug);
if(target_fps < fps)target_fps = fps;
if(target_Uc < Uc)target_Uc = Uc;
if(target_Ug < Ug)target_Ug = Ug;
set_cpu_freq(0,FL[3]);
set_gpu_freq(GFL[4]);
start_sampling=2;
sleep(1);continue;
}else if(start_sampling == 2){
fps = get_fps(binder);
Uc = get_cpu_util(4,&Uc_bp,&Uc_tp);
Ug = get_gpu_util(&Ug_bp,&Ug_tp);
printf("Sample%d Fc=%d,Fg=%d,Uc=%d,Ug=%d\n",start_sampling,Fc,Fg,Uc,Ug);
if(target_fps < fps)target_fps = fps;
if(target_Uc < Uc)target_Uc = Uc;
if(target_Ug < Ug)target_Ug = Ug;
set_cpu_freq(0,FL[10]);
set_gpu_freq(GFL[0]);
start_sampling=3;
sleep(1);continue;
}else if(start_sampling == 3){
fps = get_fps(binder);
Uc = get_cpu_util(4,&Uc_bp,&Uc_tp);
Ug = get_gpu_util(&Ug_bp,&Ug_tp);
printf("Sample%d Fc=%d,Fg=%d,Uc=%d,Ug=%d\n",start_sampling,Fc,Fg,Uc,Ug);
if(target_fps < fps)target_fps = fps;
if(target_Uc < Uc)target_Uc = Uc;
if(target_Ug < Ug)target_Ug = Ug;
set_cpu_freq(0,FL[10]);
set_gpu_freq(GFL[4]);
start_sampling=4;
sleep(1);continue;
}else if(start_sampling == 4){
printf("Sample%d Fc=%d,Fg=%d\n",start_sampling,get_cpu_freq(0),get_gpu_freq());
printf("Q : %d , Ug : %d , Uc : %d\n",target_fps,target_Ug,target_Uc);
start_sampling=5;
}
fps = get_fps(binder);
int fps_dev = (target_fps - fps)*100/target_fps;
static int FL_point = freq_level-2;
static int pre_FL = FL_point;
static int GFL_point = gpu_freq_level-1;
static int pre_GFL = GFL_point;
int CPU_Sensitive = 1;
int Fc_adj = 0;
int Fg_adj = 0;
int Ug_adj = 0;
if(fps_dev > 10){
//printf("UP! %d %d %d\n",fps,target_fps,fps_dev);
Uc = get_cpu_util(4,&Uc_bp,&Uc_tp);
Ug = get_gpu_util(&Ug_bp,&Ug_tp);
int fps_dif = (target_fps - fps);
int Uc_dev = (target_Uc - Uc)*100/target_Uc;
int Ug_dev = (target_Ug - Ug)*100/target_Ug;
if(CPU_Sensitive){
//CPU Sensitive
Fc_adj = (double)fps_dif * reciprocal(Coef_Fc2Q[game]) + FL[FL_point];
Ug_adj = Ug + (double)fps_dif * reciprocal(Coef_Ug2Q[game]);
if(Ug_adj > target_Ug){
Fg_adj = (double)(Ug_adj - target_Ug) * -reciprocal(Coef_Fg2Ug[game]) + GFL[GFL_point];
}
}else{
//GPU Sensitive
Fg_adj = (double)fps_dif * reciprocal(Coef_Fg2Q[game]) + GFL[GFL_point];
Ug_adj = Ug + (double)fps_dif * reciprocal(Coef_Uc2Q[game]);
if(Ug_adj > target_Ug){
Fc_adj = (double)(Ug_adj - target_Ug) * -reciprocal(Coef_Fc2Uc[game]) + FL[FL_point];
}
}
while(FL_point < freq_level && FL[FL_point] < Fc_adj)FL_point++;
while(GFL_point < gpu_freq_level && GFL[GFL_point] < Fg_adj)GFL_point++;
if(FL_point != pre_FL){
if(FL_point > freq_level-2){
FL_point = freq_level-2;
}else if(FL_point < 2){
FL_point = 2;
}
pre_FL = FL_point;
set_cpu_freq(0,FL[FL_point]);
}
if(GFL_point != pre_GFL){
if(GFL_point > gpu_freq_level-1){
GFL_point = gpu_freq_level-1;
}else if(GFL_point < 0){
GFL_point = 0;
}
pre_GFL = GFL_point;
set_gpu_freq(GFL[GFL_point]);
}
}else if(fps_dev <= 10){
//printf("DOWN! POWER SAVE %d %d %d\n",fps,target_fps,fps_dev);
Uc = get_cpu_util(4,&Uc_bp,&Uc_tp);
Ug = get_gpu_util(&Ug_bp,&Ug_tp);
int Uc_dev = target_Uc - Uc;
int Ug_dev = target_Ug - Ug;
if(Uc_dev*100/Uc > 10)
Fc_adj = (double)(Uc_dev) * reciprocal(Coef_Fc2Uc[game]) + FL[FL_point];
if(Ug_dev*100/Ug > 10)
Fg_adj = (double)(Ug_dev) * reciprocal(Coef_Fg2Ug[game]) + GFL[GFL_point];
while(FL_point > 0 && FL[FL_point] > Fc_adj)FL_point--;
while(GFL_point > 0 && GFL[GFL_point] > Fg_adj)GFL_point--;
if(FL_point != pre_FL){
if(FL_point > freq_level-2){
FL_point = freq_level-2;
}else if(FL_point < 2){
FL_point = 2;
}
pre_FL = FL_point;
set_cpu_freq(0,FL[FL_point]);
}
if(GFL_point != pre_GFL){
if(GFL_point > gpu_freq_level-1){
GFL_point = gpu_freq_level-1;
}else if(GFL_point < 0){
GFL_point = 0;
}
pre_GFL = GFL_point;
set_gpu_freq(GFL[GFL_point]);
}
}
sleep(1);
}
return 0;
}