static unsigned int decideNextStatus(unsigned int utilization)
{
static unsigned int level = 0; // 0:stay, 1:up
static int mali_dvfs_clk = 0;
if (mali_runtime_resumed >= 0) {
level = mali_runtime_resumed;
mali_runtime_resumed = -1;
}
if (mali_dvfs_threshold[maliDvfsStatus.currentStep].upthreshold
<= mali_dvfs_threshold[maliDvfsStatus.currentStep].downthreshold) {
MALI_PRINT(("upthreadshold is smaller than downthreshold: %d < %d\n",
mali_dvfs_threshold[maliDvfsStatus.currentStep].upthreshold,
mali_dvfs_threshold[maliDvfsStatus.currentStep].downthreshold));
return level;
}
if (!mali_dvfs_control && level == maliDvfsStatus.currentStep) {
if (utilization > (int)(255 * mali_dvfs_threshold[maliDvfsStatus.currentStep].upthreshold / 100) &&
level < MALI_DVFS_STEPS - 1) {
level++;
}
if (utilization < (int)(255 * mali_dvfs_threshold[maliDvfsStatus.currentStep].downthreshold / 100) &&
level > 0) {
level--;
}
} else if (mali_dvfs_control == 999) {
int i = 0;
for (i = 0; i < MALI_DVFS_STEPS; i++) {
step[i].clk = mali_dvfs_all[i].clock;
}
#ifdef EXYNOS4_ASV_ENABLED
//mali_dvfs_table_update();
#endif
i = 0;
for (i = 0; i < MALI_DVFS_STEPS; i++) {
mali_dvfs[i].clock = step[i].clk;
}
mali_dvfs_control = 0;
level = 0;
step0_clk = step[0].clk;
change_dvfs_tableset(step0_clk, 0);
#if (MALI_DVFS_STEPS > 1)
step1_clk = step[1].clk;
change_dvfs_tableset(step1_clk, 1);
#if (MALI_DVFS_STEPS > 2)
step2_clk = step[2].clk;
change_dvfs_tableset(step2_clk, 2);
#if (MALI_DVFS_STEPS > 3)
step3_clk = step[3].clk;
change_dvfs_tableset(step3_clk, 3);
#endif
#endif
#endif
} else if (mali_dvfs_control != mali_dvfs_clk && mali_dvfs_control != 999) {
if (mali_dvfs_control < mali_dvfs_all[1].clock && mali_dvfs_control > 0) {
int i = 0;
for (i = 0; i < MALI_DVFS_STEPS; i++) {
step[i].clk = mali_dvfs_all[0].clock;
}
maliDvfsStatus.currentStep = 0;
} else if (mali_dvfs_control < mali_dvfs_all[2].clock && mali_dvfs_control >= mali_dvfs_all[1].clock) {
int i = 0;
for (i = 0; i < MALI_DVFS_STEPS; i++) {
step[i].clk = mali_dvfs_all[1].clock;
}
maliDvfsStatus.currentStep = 1;
} else if (mali_dvfs_control < mali_dvfs_all[3].clock && mali_dvfs_control >= mali_dvfs_all[2].clock) {
int i = 0;
for (i = 0; i < MALI_DVFS_STEPS; i++) {
step[i].clk = mali_dvfs_all[2].clock;
}
maliDvfsStatus.currentStep = 2;
} else {
int i = 0;
for (i = 0; i < MALI_DVFS_STEPS; i++) {
step[i].clk = mali_dvfs_all[3].clock;
}
maliDvfsStatus.currentStep = 3;
}
step0_clk = step[0].clk;
change_dvfs_tableset(step0_clk, 0);
#if (MALI_DVFS_STEPS > 1)
step1_clk = step[1].clk;
change_dvfs_tableset(step1_clk, 1);
#if (MALI_DVFS_STEPS > 2)
step2_clk = step[2].clk;
change_dvfs_tableset(step2_clk, 2);
#if (MALI_DVFS_STEPS > 3)
step3_clk = step[3].clk;
change_dvfs_tableset(step3_clk, 3);
#endif
#endif
#endif
level = maliDvfsStatus.currentStep;
}
mali_dvfs_clk = mali_dvfs_control;
return level;
}
static void mali_dvfs_work_handler(struct work_struct *w)
{
int change_clk = 0;
int change_step = 0;
bMaliDvfsRun=1;
/* dvfs table change when clock was changed */
if (step0_clk != mali_dvfs[0].clock) {
MALI_PRINT(("::: step0_clk change to %d Mhz\n", step0_clk));
change_clk = step0_clk;
change_step = 0;
step0_clk = change_dvfs_tableset(change_clk, change_step);
}
#if (MALI_DVFS_STEPS > 1)
if (step1_clk != mali_dvfs[1].clock) {
MALI_PRINT(("::: step1_clk change to %d Mhz\n", step1_clk));
change_clk = step1_clk;
change_step = 1;
step1_clk = change_dvfs_tableset(change_clk, change_step);
}
if (step0_up != mali_dvfs_threshold[0].upthreshold) {
MALI_PRINT(("::: step0_up change to %d %\n", step0_up));
mali_dvfs_threshold[0].upthreshold = step0_up;
}
if (step1_down != mali_dvfs_threshold[1].downthreshold) {
MALI_PRINT((":::step1_down change to %d %\n", step1_down));
mali_dvfs_threshold[1].downthreshold = step1_down;
}
#if (MALI_DVFS_STEPS > 2)
if (step2_clk != mali_dvfs[2].clock) {
MALI_PRINT(("::: step2_clk change to %d Mhz\n", step2_clk));
change_clk = step2_clk;
change_step = 2;
step2_clk = change_dvfs_tableset(change_clk, change_step);
}
if (step1_up != mali_dvfs_threshold[1].upthreshold) {
MALI_PRINT((":::step1_up change to %d %\n", step1_up));
mali_dvfs_threshold[1].upthreshold = step1_up;
}
if (step2_down != mali_dvfs_threshold[2].downthreshold) {
MALI_PRINT((":::step2_down change to %d %\n", step2_down));
mali_dvfs_threshold[2].downthreshold = step2_down;
}
#if (MALI_DVFS_STEPS > 3)
if (step3_clk != mali_dvfs[3].clock) {
MALI_PRINT(("::: step3_clk change to %d Mhz\n", step3_clk));
change_clk = step3_clk;
change_step = 3;
step3_clk = change_dvfs_tableset(change_clk, change_step);
}
if (step2_up != mali_dvfs_threshold[2].upthreshold) {
MALI_PRINT((":::step2_up change to %d %\n", step2_up));
mali_dvfs_threshold[2].upthreshold = step2_up;
}
if (step3_down != mali_dvfs_threshold[3].downthreshold) {
MALI_PRINT((":::step3_down change to %d %\n", step3_down));
mali_dvfs_threshold[3].downthreshold = step3_down;
}
#endif
#endif
#endif
#ifdef DEBUG
mali_dvfs[0].vol = step0_vol;
mali_dvfs[1].vol = step1_vol;
mali_dvfs[2].vol = step2_vol;
mali_dvfs[3].vol = step3_vol;
#endif
MALI_DEBUG_PRINT(3, ("=== mali_dvfs_work_handler\n"));
if (!mali_dvfs_status(mali_dvfs_utilization))
MALI_DEBUG_PRINT(1,( "error on mali dvfs status in mali_dvfs_work_handler"));
bMaliDvfsRun=0;
}
static unsigned int decideNextStatus(unsigned int utilization)
{
static unsigned int level = 0; // 0:stay, 1:up
static int mali_dvfs_clk = 0;
if (mali_runtime_resumed >= 0) {
level = mali_runtime_resumed;
mali_runtime_resumed = -1;
return level;
}
if (mali_dvfs_threshold[maliDvfsStatus.currentStep].upthreshold
<= mali_dvfs_threshold[maliDvfsStatus.currentStep].downthreshold) {
MALI_PRINT(("upthreadshold is smaller than downthreshold: %d < %d\n",
mali_dvfs_threshold[maliDvfsStatus.currentStep].upthreshold,
mali_dvfs_threshold[maliDvfsStatus.currentStep].downthreshold));
return level;
}
if (!mali_dvfs_control && level == maliDvfsStatus.currentStep) {
if (utilization > (int)(255 * mali_dvfs_threshold[maliDvfsStatus.currentStep].upthreshold / 100) &&
level < MALI_DVFS_STEPS - 1) {
level++;
// this prevents the usage of 5th step -gm
// if ((samsung_rev() < EXYNOS4412_REV_2_0) && (maliDvfsStatus.currentStep == 3)) {
// level=get_mali_dvfs_status();
// }
}
if (utilization < (int)(255 * mali_dvfs_threshold[maliDvfsStatus.currentStep].downthreshold / 100) &&
level > 0) {
level--;
}
} else if (mali_dvfs_control == 999) {
int i = 0;
for (i = 0; i < MALI_DVFS_STEPS; i++) {
step[i].clk = mali_dvfs_all[i].clock;
}
#ifdef EXYNOS4_ASV_ENABLED
// mali_dvfs_table_update();
#endif
i = 0;
for (i = 0; i < MALI_DVFS_STEPS; i++) {
mali_dvfs[i].clock = step[i].clk;
}
mali_dvfs_control = 0;
level = 0;
step0_clk = step[0].clk;
change_dvfs_tableset(step0_clk, 0);
#if (MALI_DVFS_STEPS > 1)
step1_clk = step[1].clk;
change_dvfs_tableset(step1_clk, 1);
#if (MALI_DVFS_STEPS > 2)
step2_clk = step[2].clk;
change_dvfs_tableset(step2_clk, 2);
#if (MALI_DVFS_STEPS > 3)
step3_clk = step[3].clk;
change_dvfs_tableset(step3_clk, 3);
#if (MALI_DVFS_STEPS > 4)
step4_clk = step[4].clk;
change_dvfs_tableset(step4_clk, 4);
#endif
#endif
#endif
#endif
} else if (mali_dvfs_control != mali_dvfs_clk && mali_dvfs_control != 999) {
if (mali_dvfs_control < mali_dvfs_all[1].clock && mali_dvfs_control > 0) {
int i = 0;
for (i = 0; i < MALI_DVFS_STEPS; i++) {
step[i].clk = mali_dvfs_all[0].clock;
}
maliDvfsStatus.currentStep = 0;
} else if (mali_dvfs_control < mali_dvfs_all[2].clock && mali_dvfs_control >= mali_dvfs_all[1].clock) {
int i = 0;
for (i = 0; i < MALI_DVFS_STEPS; i++) {
step[i].clk = mali_dvfs_all[1].clock;
}
maliDvfsStatus.currentStep = 1;
} else if (mali_dvfs_control < mali_dvfs_all[3].clock && mali_dvfs_control >= mali_dvfs_all[2].clock) {
int i = 0;
for (i = 0; i < MALI_DVFS_STEPS; i++) {
step[i].clk = mali_dvfs_all[2].clock;
}
maliDvfsStatus.currentStep = 2;
} else if (mali_dvfs_control < mali_dvfs_all[4].clock && mali_dvfs_control >= mali_dvfs_all[3].clock) {
int i = 0;
for (i = 0; i < MALI_DVFS_STEPS; i++) {
step[i].clk = mali_dvfs_all[3].clock;
}
maliDvfsStatus.currentStep = 3;
} else {
int i = 0;
for (i = 0; i < MALI_DVFS_STEPS; i++) {
step[i].clk = mali_dvfs_all[4].clock;
}
maliDvfsStatus.currentStep = 4;
}
step0_clk = step[0].clk;
change_dvfs_tableset(step0_clk, 0);
#if (MALI_DVFS_STEPS > 1)
step1_clk = step[1].clk;
change_dvfs_tableset(step1_clk, 1);
#if (MALI_DVFS_STEPS > 2)
step2_clk = step[2].clk;
change_dvfs_tableset(step2_clk, 2);
#if (MALI_DVFS_STEPS > 3)
step3_clk = step[3].clk;
change_dvfs_tableset(step3_clk, 3);
#if (MALI_DVFS_STEPS > 4)
step4_clk = step[4].clk;
change_dvfs_tableset(step4_clk, 4);
#endif
#endif
#endif
#endif
level = maliDvfsStatus.currentStep;
}
mali_dvfs_clk = mali_dvfs_control;
if (_mali_osk_atomic_read(&bottomlock_status) > 0) {
if (level < bottom_lock_step)
level = bottom_lock_step;
}
return level;
}
