static unsigned int gpu_ipa_dvfs_max_allowed_freq(struct kbase_device *kbdev)
{
gpu_dvfs_info *dvfs_max_info;
int max_thermal_step = -1;
struct exynos_context *platform = (struct exynos_context *) kbdev->platform_context;
int max_step;
if (!platform) {
GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: platform context (0x%p) is not initialized\n", __func__, platform);
return 0xffffffff;
}
max_step = gpu_dvfs_get_level(platform->gpu_max_clock);
/* Account for Throttling Lock */
#ifdef CONFIG_EXYNOS_THERMAL
max_thermal_step = gpu_dvfs_get_level(platform->gpu_max_clock);
#endif /* CONFIG_EXYNOS_THERMAL */
if (max_thermal_step <= gpu_dvfs_get_level(platform->gpu_min_clock) && max_thermal_step > max_step)
max_step = max_thermal_step;
/* NOTE: This is the absolute maximum, not taking into account any tmu
* throttling */
dvfs_max_info = &(platform->table[max_step]);
return dvfs_max_info->clock;
}
static ssize_t show_time_in_state(struct device *dev, struct device_attribute *attr, char *buf)
{
ssize_t ret = 0;
int i;
struct exynos_context *platform = (struct exynos_context *)pkbdev->platform_context;
if (!platform)
return -ENODEV;
gpu_dvfs_update_time_in_state(gpu_control_is_power_on(pkbdev) * platform->cur_clock);
for (i = gpu_dvfs_get_level(platform->gpu_min_clock); i >= gpu_dvfs_get_level(platform->gpu_max_clock); i--) {
ret += snprintf(buf+ret, PAGE_SIZE-ret, "%d %llu\n",
platform->table[i].clock,
platform->table[i].time);
}
if (ret >= PAGE_SIZE - 1) {
buf[PAGE_SIZE-2] = '\n';
buf[PAGE_SIZE-1] = '\0';
ret = PAGE_SIZE-1;
}
return ret;
}
static ssize_t set_min_lock_dvfs(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
int ret, clock = 0;
struct exynos_context *platform = (struct exynos_context *)pkbdev->platform_context;
if (!platform)
return -ENODEV;
if (sysfs_streq("0", buf)) {
gpu_dvfs_clock_lock(GPU_DVFS_MIN_UNLOCK, SYSFS_LOCK, 0);
} else {
ret = kstrtoint(buf, 0, &clock);
if (ret) {
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "%s: invalid value\n", __func__);
return -ENOENT;
}
ret = gpu_dvfs_get_level(clock);
if ((ret < gpu_dvfs_get_level(platform->gpu_max_clock)) || (ret > gpu_dvfs_get_level(platform->gpu_min_clock))) {
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "%s: invalid clock value (%d)\n", __func__, clock);
return -ENOENT;
}
if (clock > platform->gpu_max_clock_limit)
clock = platform->gpu_max_clock_limit;
if (clock == platform->gpu_min_clock)
gpu_dvfs_clock_lock(GPU_DVFS_MIN_UNLOCK, SYSFS_LOCK, 0);
else
gpu_dvfs_clock_lock(GPU_DVFS_MIN_LOCK, SYSFS_LOCK, clock);
}
return count;
}
int kbase_platform_dvfs_power_to_freq(int power)
{
#ifdef CONFIG_MALI_DVFS
int level, freq;
unsigned int vol;
u64 _power;
struct kbase_device *kbdev = pkbdev;
struct exynos_context *platform = (struct exynos_context *) kbdev->platform_context;
if (!platform) {
GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: platform context (0x%p) is not initialized\n", __func__, platform);
return -1;
}
for (level = gpu_dvfs_get_level(platform->gpu_min_clock); level >= gpu_dvfs_get_level(platform->gpu_max_clock); level--) {
vol = platform->table[level].voltage / 10000;
freq = platform->table[level].clock;
_power = div_u64((u64)platform->ipa_power_coeff_gpu * freq * vol * vol, 100000);
if ((int)_power >= power)
break;
}
return platform->table[level].clock;
#else
return 0;
#endif /* CONFIG_MALI_DVFS */
}
static int gpu_check_target_clock(struct exynos_context *platform, int clock)
{
int target_clock = clock;
DVFS_ASSERT(platform);
if (gpu_dvfs_get_level(target_clock) < 0)
return -1;
#ifdef CONFIG_MALI_DVFS
if (!platform->dvfs_status)
return target_clock;
GPU_LOG(DVFS_DEBUG, DUMMY, 0u, 0u, "clock: %d, min: %d, max: %d\n", clock, platform->min_lock, platform->max_lock);
if ((platform->min_lock > 0) && (platform->power_status) &&
((target_clock < platform->min_lock) || (platform->cur_clock < platform->min_lock)))
target_clock = platform->min_lock;
if ((platform->max_lock > 0) && (target_clock > platform->max_lock))
target_clock = platform->max_lock;
#endif /* CONFIG_MALI_DVFS */
platform->step = gpu_dvfs_get_level(target_clock);
return target_clock;
}
static ssize_t show_down_staycount(struct device *dev, struct device_attribute *attr, char *buf)
{
ssize_t ret = 0;
unsigned long flags;
int i = -1;
struct exynos_context *platform = (struct exynos_context *)pkbdev->platform_context;
if (!platform)
return -ENODEV;
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
for (i = gpu_dvfs_get_level(platform->gpu_max_clock); i <= gpu_dvfs_get_level(platform->gpu_min_clock); i++)
ret += snprintf(buf+ret, PAGE_SIZE-ret, "Clock %d - %d\n",
platform->table[i].clock, platform->table[i].down_staycount);
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
if (ret < PAGE_SIZE - 1) {
ret += snprintf(buf+ret, PAGE_SIZE-ret, "\n");
} else {
buf[PAGE_SIZE-2] = '\n';
buf[PAGE_SIZE-1] = '\0';
ret = PAGE_SIZE-1;
}
return ret;
}
static ssize_t set_highspeed_clock(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
ssize_t ret = 0;
unsigned long flags;
int highspeed_clock = -1;
struct exynos_context *platform = (struct exynos_context *)pkbdev->platform_context;
if (!platform)
return -ENODEV;
ret = kstrtoint(buf, 0, &highspeed_clock);
if (ret) {
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "%s: invalid value\n", __func__);
return -ENOENT;
}
ret = gpu_dvfs_get_level(highspeed_clock);
if ((ret < gpu_dvfs_get_level(platform->gpu_max_clock)) || (ret > gpu_dvfs_get_level(platform->gpu_min_clock))) {
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "%s: invalid clock value (%d)\n", __func__, highspeed_clock);
return -ENOENT;
}
if (highspeed_clock > platform->gpu_max_clock_limit)
highspeed_clock = platform->gpu_max_clock_limit;
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
platform->interactive.highspeed_clock = highspeed_clock;
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
return count;
}
static int gpu_dvfs_governor_static(struct exynos_context *platform, int utilization)
{
static bool step_down = true;
static int count;
DVFS_ASSERT(platform);
if (count == G3D_GOVERNOR_STATIC_PERIOD) {
if (step_down) {
if (platform->step > gpu_dvfs_get_level(platform->gpu_max_clock))
platform->step--;
if (((platform->max_lock > 0) && (platform->table[platform->step].clock == platform->max_lock))
|| (platform->step == gpu_dvfs_get_level(platform->gpu_max_clock)))
step_down = false;
} else {
if (platform->step < gpu_dvfs_get_level(platform->gpu_min_clock))
platform->step++;
if (((platform->min_lock > 0) && (platform->table[platform->step].clock == platform->min_lock))
|| (platform->step == gpu_dvfs_get_level(platform->gpu_min_clock)))
step_down = true;
}
count = 0;
} else {
count++;
}
return 0;
}
int gpu_dvfs_init_time_in_state(void)
{
#ifdef CONFIG_MALI_DEBUG_SYS
struct kbase_device *kbdev = pkbdev;
struct exynos_context *platform = (struct exynos_context *) kbdev->platform_context;
int i;
DVFS_ASSERT(platform);
for (i = gpu_dvfs_get_level(platform->gpu_max_clock); i <= gpu_dvfs_get_level(platform->gpu_min_clock); i++)
platform->table[i].time = 0;
#endif /* CONFIG_MALI_DEBUG_SYS */
return 0;
}
static ssize_t set_down_staycount(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
unsigned long flags;
char tmpbuf[32];
char *sptr, *tok;
int ret = -1;
int clock = -1, level = -1, down_staycount = 0;
unsigned int len = 0;
struct exynos_context *platform = (struct exynos_context *)pkbdev->platform_context;
if (!platform)
return -ENODEV;
len = (unsigned int)min(count, sizeof(tmpbuf) - 1);
memcpy(tmpbuf, buf, len);
tmpbuf[len] = '\0';
sptr = tmpbuf;
tok = strsep(&sptr, " ,");
if (tok == NULL) {
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "%s: invalid input\n", __func__);
return -ENOENT;
}
ret = kstrtoint(tok, 0, &clock);
if (ret) {
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "%s: invalid input %d\n", __func__, clock);
return -ENOENT;
}
tok = strsep(&sptr, " ,");
if (tok == NULL) {
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "%s: invalid input\n", __func__);
return -ENOENT;
}
ret = kstrtoint(tok, 0, &down_staycount);
if (ret) {
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "%s: invalid input %d\n", __func__, down_staycount);
return -ENOENT;
}
level = gpu_dvfs_get_level(clock);
if (level < 0) {
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "%s: invalid clock value (%d)\n", __func__, clock);
return -ENOENT;
}
if ((down_staycount < MIN_DOWN_STAYCOUNT) || (down_staycount > MAX_DOWN_STAYCOUNT)) {
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "%s: down_staycount is out of range (%d, %d ~ %d)\n",
__func__, down_staycount, MIN_DOWN_STAYCOUNT, MAX_DOWN_STAYCOUNT);
return -ENOENT;
}
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
platform->table[level].down_staycount = down_staycount;
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
return count;
}
int gpu_enable_dvs(struct exynos_context *platform)
{
#ifdef CONFIG_EXYNOS_CL_DVFS_G3D
int level = 0;
#endif /* CONFIG_EXYNOS_CL_DVFS_G3D */
if (!platform->dvs_status)
return 0;
if (!gpu_is_power_on()) {
GPU_LOG(DVFS_INFO, DUMMY, 0u, 0u, "%s: can't set dvs in the power-off state!\n", __func__);
return -1;
}
#if defined(CONFIG_REGULATOR_S2MPS15)
#ifdef CONFIG_EXYNOS_CL_DVFS_G3D
level = gpu_dvfs_get_level(gpu_get_cur_clock(platform));
exynos7420_cl_dvfs_stop(ID_G3D, level);
#endif /* CONFIG_EXYNOS_CL_DVFS_G3D */
/* Do not need to enable dvs during suspending */
if (!pkbdev->pm.suspending) {
if (s2m_set_dvs_pin(true) != 0) {
GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: failed to enable dvs\n", __func__);
return -1;
}
}
#endif /* CONFIG_REGULATOR_S2MPS13 */
GPU_LOG(DVFS_INFO, DUMMY, 0u, 0u, "dvs is enabled (vol: %d)\n", gpu_get_cur_voltage(platform));
return 0;
}
static int gpu_get_dvfs_table(struct exynos_context *platform, char *buf, size_t buf_size)
{
int i, cnt = 0;
if (!platform)
return -ENODEV;
if (buf == NULL)
return 0;
for (i = gpu_dvfs_get_level(platform->gpu_max_clock); i <= gpu_dvfs_get_level(platform->gpu_min_clock); i++)
cnt += snprintf(buf+cnt, buf_size-cnt, " %d", platform->table[i].clock);
cnt += snprintf(buf+cnt, buf_size-cnt, "\n");
return cnt;
}
int gpu_dvfs_governor_setting(struct exynos_context *platform, int governor_type)
{
#ifdef CONFIG_MALI_DVFS
int i;
#endif /* CONFIG_MALI_DVFS */
unsigned long flags;
DVFS_ASSERT(platform);
if ((governor_type < 0) || (governor_type >= G3D_MAX_GOVERNOR_NUM)) {
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "%s: invalid governor type (%d)\n", __func__, governor_type);
return -1;
}
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
#ifdef CONFIG_MALI_DVFS
platform->table = governor_info[governor_type].table;
platform->table_size = governor_info[governor_type].table_size;
platform->step = gpu_dvfs_get_level(governor_info[governor_type].start_clk);
gpu_dvfs_get_next_level = (GET_NEXT_LEVEL)(governor_info[governor_type].governor);
platform->env_data.utilization = 80;
platform->max_lock = 0;
platform->min_lock = 0;
for (i = 0; i < NUMBER_LOCK; i++) {
platform->user_max_lock[i] = 0;
platform->user_min_lock[i] = 0;
}
platform->down_requirement = 1;
platform->governor_type = governor_type;
gpu_dvfs_init_time_in_state();
#else /* CONFIG_MALI_DVFS */
platform->table = (gpu_dvfs_info *)gpu_get_attrib_data(platform->attrib, GPU_GOVERNOR_TABLE_DEFAULT);
platform->table_size = (u32)gpu_get_attrib_data(platform->attrib, GPU_GOVERNOR_TABLE_SIZE_DEFAULT);
platform->step = gpu_dvfs_get_level(platform->gpu_dvfs_start_clock);
#endif /* CONFIG_MALI_DVFS */
platform->cur_clock = platform->table[platform->step].clock;
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
return 0;
}
static ssize_t set_volt_table(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct exynos_context *platform = (struct exynos_context *)pkbdev->platform_context;
int max = gpu_dvfs_get_level(platform->gpu_max_clock);
int min = gpu_dvfs_get_level(platform->gpu_min_clock);
int i, tokens, rest, target;
int t[min - max];
unsigned long flags;
if ((tokens = read_into((int*)&t, min-max, buf, count)) < 0)
return -EINVAL;
target = -1;
if (tokens == 2) {
for (i = max; i <= min; i++) {
if (t[0] == platform->table[i].clock) {
target = i;
break;
}
}
}
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
if (tokens == 2 && target > -1) {
if ((rest = t[1] % GPU_VOLT_STEP) != 0)
t[1] += GPU_VOLT_STEP - rest;
sanitize_min_max(t[1], GPU_MIN_VOLT, GPU_MAX_VOLT);
platform->table[target].voltage = t[1];
} else {
for (i = 0; i < tokens; i++) {
if ((rest = t[i] % GPU_VOLT_STEP) != 0)
t[i] += GPU_VOLT_STEP - rest;
sanitize_min_max(t[i], GPU_MIN_VOLT, GPU_MAX_VOLT);
platform->table[i + max].voltage = t[i];
}
}
ipa_update();
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
return count;
}
static ssize_t show_volt_table(struct device *dev, struct device_attribute *attr, char *buf)
{
struct exynos_context *platform = (struct exynos_context *)pkbdev->platform_context;
ssize_t count = 0, pr_len;
int i, max, min;
if (!platform)
return -ENODEV;
max = gpu_dvfs_get_level(platform->gpu_max_clock);
min = gpu_dvfs_get_level(platform->gpu_min_clock);
pr_len = (size_t)((PAGE_SIZE - 2) / (min-max));
for (i = max; i <= min; i++) {
count += snprintf(&buf[count], pr_len, "%d %d\n",
platform->table[i].clock,
platform->table[i].voltage);
}
return count;
}
static int gpu_get_asv_table(struct exynos_context *platform, char *buf, size_t buf_size)
{
int i, cnt = 0;
if (!platform)
return -ENODEV;
if (buf == NULL)
return 0;
cnt += snprintf(buf+cnt, buf_size-cnt, "GPU, vol, min, max, down_stay, mif, int, cpu\n");
for (i = gpu_dvfs_get_level(platform->gpu_max_clock); i <= gpu_dvfs_get_level(platform->gpu_min_clock); i++) {
cnt += snprintf(buf+cnt, buf_size-cnt, "%d, %7d, %2d, %3d, %d, %6d, %6d, %7d\n",
platform->table[i].clock, platform->table[i].voltage, platform->table[i].min_threshold,
platform->table[i].max_threshold, platform->table[i].down_staycount, platform->table[i].mem_freq,
platform->table[i].int_freq, platform->table[i].cpu_freq);
}
return cnt;
}
static int gpu_dvfs_governor_default(struct exynos_context *platform, int utilization)
{
DVFS_ASSERT(platform);
if ((platform->step > gpu_dvfs_get_level(platform->gpu_max_clock)) &&
(utilization > platform->table[platform->step].max_threshold)) {
platform->step--;
#ifdef MALI_SEC_HWCNT
if ((!platform->hwcnt_bt_clk) && (platform->table[platform->step].clock > platform->gpu_max_clock_limit))
platform->step = gpu_dvfs_get_level(platform->gpu_max_clock_limit);
#else
if (platform->table[platform->step].clock > platform->gpu_max_clock_limit)
platform->step = gpu_dvfs_get_level(platform->gpu_max_clock_limit);
#endif
platform->down_requirement = platform->table[platform->step].down_staycount;
} else if ((platform->step < gpu_dvfs_get_level(platform->gpu_min_clock)) && (utilization < platform->table[platform->step].min_threshold)) {
platform->down_requirement--;
if (platform->down_requirement == 0) {
platform->step++;
platform->down_requirement = platform->table[platform->step].down_staycount;
}
} else {
platform->down_requirement = platform->table[platform->step].down_staycount;
}
DVFS_ASSERT((platform->step >= gpu_dvfs_get_level(platform->gpu_max_clock))
&& (platform->step <= gpu_dvfs_get_level(platform->gpu_min_clock)));
return 0;
}
static int gpu_dvfs_governor_booster(struct exynos_context *platform, int utilization)
{
static int weight;
int cur_weight, booster_threshold, dvfs_table_lock;
DVFS_ASSERT(platform);
cur_weight = platform->cur_clock*utilization;
/* booster_threshold = current clock * set the percentage of utilization */
booster_threshold = platform->cur_clock * 50;
dvfs_table_lock = gpu_dvfs_get_level(platform->gpu_max_clock);
if ((platform->step >= dvfs_table_lock+2) &&
((cur_weight - weight) > booster_threshold)) {
platform->step -= 2;
platform->down_requirement = platform->table[platform->step].down_staycount;
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "Booster Governor: G3D level 2 step\n");
} else if ((platform->step > gpu_dvfs_get_level(platform->gpu_max_clock)) &&
(utilization > platform->table[platform->step].max_threshold)) {
platform->step--;
platform->down_requirement = platform->table[platform->step].down_staycount;
} else if ((platform->step < gpu_dvfs_get_level(platform->gpu_min_clock)) &&
(utilization < platform->table[platform->step].min_threshold)) {
platform->down_requirement--;
if (platform->down_requirement == 0) {
platform->step++;
platform->down_requirement = platform->table[platform->step].down_staycount;
}
} else {
platform->down_requirement = platform->table[platform->step].down_staycount;
}
DVFS_ASSERT((platform->step >= gpu_dvfs_get_level(platform->gpu_max_clock))
&& (platform->step <= gpu_dvfs_get_level(platform->gpu_min_clock)));
weight = cur_weight;
return 0;
}
int kbase_platform_dvfs_freq_to_power(int freq)
{
#ifdef CONFIG_MALI_DVFS
int level;
unsigned int vol;
unsigned long flags;
unsigned long long power;
struct kbase_device *kbdev = pkbdev;
struct exynos_context *platform = (struct exynos_context *) kbdev->platform_context;
if (!platform) {
GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: platform context (0x%p) is not initialized\n", __func__, platform);
return -1;
}
if (0 == freq) {
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
power = platform->power;
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
} else {
for (level = gpu_dvfs_get_level(platform->gpu_max_clock); level <= gpu_dvfs_get_level(platform->gpu_min_clock); level++)
if (platform->table[level].clock == freq)
break;
if (level <= gpu_dvfs_get_level(platform->gpu_min_clock)) {
vol = platform->table[level].voltage / 10000;
power = div_u64((u64)platform->ipa_power_coeff_gpu * freq * vol * vol, 100000);
} else {
power = 0;
}
}
return (int)power;
#else
return 0;
#endif /* CONFIG_MALI_DVFS */
}
int gpu_dvfs_update_time_in_state(int clock)
{
#ifdef CONFIG_MALI_DEBUG_SYS
struct kbase_device *kbdev = pkbdev;
struct exynos_context *platform = (struct exynos_context *) kbdev->platform_context;
u64 current_time;
static u64 prev_time;
int level = gpu_dvfs_get_level(clock);
DVFS_ASSERT(platform);
if (prev_time == 0)
prev_time = get_jiffies_64();
current_time = get_jiffies_64();
if ((level >= gpu_dvfs_get_level(platform->gpu_max_clock)) && (level <= gpu_dvfs_get_level(platform->gpu_min_clock)))
platform->table[level].time += current_time-prev_time;
prev_time = current_time;
#endif /* CONFIG_MALI_DEBUG_SYS */
return 0;
}
int gpu_dvfs_update_time_in_state(struct exynos_context *platform, int freq)
{
#ifdef CONFIG_MALI_T6XX_DEBUG_SYS
u64 current_time;
static u64 prev_time;
int level = gpu_dvfs_get_level(platform, freq);
if (prev_time == 0)
prev_time = get_jiffies_64();
current_time = get_jiffies_64();
if ((level >= 0) && (level < platform->table_size))
platform->table[level].time += current_time-prev_time;
prev_time = current_time;
#endif /* CONFIG_MALI_T6XX_DEBUG_SYS */
return 0;
}
static int gpu_dvfs_governor_interactive(struct exynos_context *platform, int utilization)
{
DVFS_ASSERT(platform);
if ((platform->step > gpu_dvfs_get_level(platform->gpu_max_clock))
&& (utilization > platform->table[platform->step].max_threshold)) {
int highspeed_level = gpu_dvfs_get_level(platform->interactive.highspeed_clock);
if ((highspeed_level > 0) && (platform->step > highspeed_level)
&& (utilization > platform->interactive.highspeed_load)) {
if (platform->interactive.delay_count == platform->interactive.highspeed_delay) {
platform->step = highspeed_level;
platform->interactive.delay_count = 0;
} else {
platform->interactive.delay_count++;
}
} else {
platform->step--;
platform->interactive.delay_count = 0;
}
#ifdef MALI_SEC_HWCNT
if ((!platform->hwcnt_bt_clk) && (platform->table[platform->step].clock > platform->gpu_max_clock_limit))
platform->step = gpu_dvfs_get_level(platform->gpu_max_clock_limit);
#else
if (platform->table[platform->step].clock > platform->gpu_max_clock_limit)
platform->step = gpu_dvfs_get_level(platform->gpu_max_clock_limit);
#endif
platform->down_requirement = platform->table[platform->step].down_staycount;
} else if ((platform->step < gpu_dvfs_get_level(platform->gpu_min_clock))
&& (utilization < platform->table[platform->step].min_threshold)) {
platform->interactive.delay_count = 0;
platform->down_requirement--;
if (platform->down_requirement == 0) {
platform->step++;
platform->down_requirement = platform->table[platform->step].down_staycount;
}
} else {
platform->interactive.delay_count = 0;
platform->down_requirement = platform->table[platform->step].down_staycount;
}
DVFS_ASSERT((platform->step >= gpu_dvfs_get_level(platform->gpu_max_clock))
&& (platform->step <= gpu_dvfs_get_level(platform->gpu_min_clock)));
return 0;
}
static int gpu_update_cur_level(struct exynos_context *platform)
{
unsigned long flags;
int level = 0;
DVFS_ASSERT(platform);
level = gpu_dvfs_get_level(platform->cur_clock);
if (level >= 0) {
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
if (platform->step != level)
platform->down_requirement = platform->table[level].stay_count;
platform->step = level;
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
} else {
GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: invalid dvfs level returned %d\n", __func__, platform->cur_clock);
return -1;
}
return 0;
}
int gpu_set_target_clk_vol_pending(int clk)
{
int ret = 0, target_clk = 0, target_vol = 0;
int prev_clk = 0;
struct kbase_device *kbdev = pkbdev;
struct exynos_context *platform = (struct exynos_context *) kbdev->platform_context;
#ifdef CONFIG_EXYNOS_CL_DVFS_G3D
int level = 0;
#endif
DVFS_ASSERT(platform);
target_clk = gpu_check_target_clock(platform, clk);
if (target_clk < 0) {
GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u,
"%s: mismatch clock error (source %d, target %d)\n", __func__, clk, target_clk);
return -1;
}
target_vol = MAX(gpu_dvfs_get_voltage(target_clk) + platform->voltage_margin, platform->cold_min_vol);
target_vol = target_vol < (int) platform->table[0].voltage ? target_vol : (int) platform->table[0].voltage;
prev_clk = gpu_get_cur_clock(platform);
#ifdef CONFIG_EXYNOS_CL_DVFS_G3D
level = gpu_dvfs_get_level(clk);
exynos7420_cl_dvfs_stop(ID_G3D, level);
#endif
GPU_SET_CLK_VOL(kbdev, platform->cur_clock, target_clk, target_vol);
ret = gpu_update_cur_level(platform);
#ifdef CONFIG_EXYNOS_CL_DVFS_G3D
if (!platform->voltage_margin && platform->cl_dvfs_start_base
&& platform->cur_clock >= platform->cl_dvfs_start_base)
exynos7420_cl_dvfs_start(ID_G3D);
#endif
GPU_LOG(DVFS_INFO, DUMMY, 0u, 0u, "pending clk[%d -> %d], vol[%d (margin : %d)]\n",
prev_clk, gpu_get_cur_clock(platform), gpu_get_cur_voltage(platform), platform->voltage_margin);
return ret;
}
static int gpu_set_clock(struct exynos_context *platform, int clk)
{
long g3d_rate_prev = -1;
unsigned long g3d_rate = clk * MHZ;
int ret = 0;
int level = 0;
if (aclk_g3d == 0)
return -1;
#ifdef CONFIG_MALI_RT_PM
if (platform->exynos_pm_domain)
mutex_lock(&platform->exynos_pm_domain->access_lock);
#endif /* CONFIG_MALI_RT_PM */
if (!gpu_is_power_on()) {
ret = -1;
GPU_LOG(DVFS_INFO, DUMMY, 0u, 0u, "%s: can't set clock in the power-off state!\n", __func__);
goto err;
}
g3d_rate_prev = clk_get_rate(aclk_g3d);
/* if changed the VPLL rate, set rate for VPLL and wait for lock time */
if (g3d_rate != g3d_rate_prev) {
ret = clk_set_parent(mout_g3d, fin_pll);
if (ret < 0) {
GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: failed to clk_set_parent [fin_pll]\n", __func__);
goto err;
}
/*change g3d pll*/
ret = clk_set_rate(fout_g3d_pll, g3d_rate);
if (ret < 0) {
GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: failed to clk_set_rate [fout_g3d_pll]\n", __func__);
goto err;
}
level = gpu_dvfs_get_level(g3d_rate/MHZ);
if (level < 0) {
GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: failed to gpu_dvfs_get_level \n", __func__);
goto err;
}
ret = clk_set_rate(sclk_hpm_g3d, (clk_get_rate(aclk_g3d)/hpm_freq_table[level]));
if(ret < 0)
GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: failed to clk_set_rate [sclk_hpm_g3d]\n", __func__);
ret = clk_set_parent(mout_g3d, fout_g3d_pll);
if (ret < 0) {
GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: failed to clk_set_parent [fout_g3d_pll]\n", __func__);
goto err;
}
g3d_rate_prev = g3d_rate;
}
platform->cur_clock = gpu_get_cur_clock(platform);
if (platform->cur_clock != clk_get_rate(fout_g3d_pll)/MHZ)
GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "clock value is wrong (aclk_g3d: %d, fout_g3d_pll: %d)\n",
platform->cur_clock, (int) clk_get_rate(fout_g3d_pll)/MHZ);
GPU_LOG(DVFS_DEBUG, LSI_CLOCK_VALUE, g3d_rate/MHZ, platform->cur_clock,
"clock set: %ld, clock get: %d\n", g3d_rate/MHZ, platform->cur_clock);
err:
#ifdef CONFIG_MALI_RT_PM
if (platform->exynos_pm_domain)
mutex_unlock(&platform->exynos_pm_domain->access_lock);
#endif /* CONFIG_MALI_RT_PM */
return ret;
}
int gpu_dvfs_governor_init(struct kbase_device *kbdev, int governor_type)
{
unsigned long flags;
#ifdef CONFIG_MALI_T6XX_DVFS
int i, total = 0;
#endif /* CONFIG_MALI_T6XX_DVFS */
struct exynos_context *platform = (struct exynos_context *) kbdev->platform_context;
if (!platform)
return -ENODEV;
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
#ifdef CONFIG_MALI_T6XX_DVFS
switch (governor_type) {
case G3D_DVFS_GOVERNOR_DEFAULT:
gpu_dvfs_get_next_freq = (GET_NEXT_FREQ)&gpu_dvfs_governor_default;
platform->table = gpu_dvfs_infotbl_default;
platform->table_size = GPU_DVFS_TABLE_SIZE(gpu_dvfs_infotbl_default);
#if SOC_NAME == 5260
platform->devfreq_g3d_asv_abb = gpu_abb_infobl_default;
#endif /* SOC_NAME */
platform->step = gpu_dvfs_get_level(platform, G3D_GOVERNOR_DEFAULT_CLOCK_DEFAULT);
break;
case G3D_DVFS_GOVERNOR_STATIC:
gpu_dvfs_get_next_freq = (GET_NEXT_FREQ)&gpu_dvfs_governor_static;
platform->table = gpu_dvfs_infotbl_default;
platform->table_size = GPU_DVFS_TABLE_SIZE(gpu_dvfs_infotbl_default);
#if SOC_NAME == 5260
platform->devfreq_g3d_asv_abb = gpu_abb_infobl_default;
#endif /* SOC_NAME */
platform->step = gpu_dvfs_get_level(platform, G3D_GOVERNOR_DEFAULT_CLOCK_STATIC);
break;
case G3D_DVFS_GOVERNOR_BOOSTER:
gpu_dvfs_get_next_freq = (GET_NEXT_FREQ)&gpu_dvfs_governor_booster;
platform->table = gpu_dvfs_infotbl_default;
platform->table_size = GPU_DVFS_TABLE_SIZE(gpu_dvfs_infotbl_default);
#if SOC_NAME == 5260
platform->devfreq_g3d_asv_abb = gpu_abb_infobl_default;
#endif /* SOC_NAME */
platform->step = gpu_dvfs_get_level(platform, G3D_GOVERNOR_DEFAULT_CLOCK_BOOSTER);
break;
default:
GPU_LOG(DVFS_WARNING, "[gpu_dvfs_governor_init] invalid governor type\n");
gpu_dvfs_get_next_freq = (GET_NEXT_FREQ)&gpu_dvfs_governor_default;
platform->table = gpu_dvfs_infotbl_default;
platform->table_size = GPU_DVFS_TABLE_SIZE(gpu_dvfs_infotbl_default);
#if SOC_NAME == 5260
platform->devfreq_g3d_asv_abb = gpu_abb_infobl_default;
#endif /* SOC_NAME */
platform->step = gpu_dvfs_get_level(platform, G3D_GOVERNOR_DEFAULT_CLOCK_DEFAULT);
break;
}
platform->utilization = 100;
platform->target_lock_type = -1;
platform->max_lock = 0;
platform->min_lock = 0;
#ifdef CONFIG_CPU_THERMAL_IPA
gpu_ipa_dvfs_calc_norm_utilisation(kbdev);
#endif /* CONFIG_CPU_THERMAL_IPA */
for (i = 0; i < NUMBER_LOCK; i++) {
platform->user_max_lock[i] = 0;
platform->user_min_lock[i] = 0;
}
platform->down_requirement = 1;
platform->wakeup_lock = 0;
platform->governor_type = governor_type;
platform->governor_num = G3D_MAX_GOVERNOR_NUM;
for (i = 0; i < G3D_MAX_GOVERNOR_NUM; i++)
total += snprintf(platform->governor_list+total,
sizeof(platform->governor_list), "[%d] %s\n", i, governor_list[i]);
gpu_dvfs_init_time_in_state(platform);
#else
platform->table = gpu_dvfs_infotbl_default;
platform->table_size = GPU_DVFS_TABLE_SIZE(gpu_dvfs_infotbl_default);
#if SOC_NAME == 5260
platform->devfreq_g3d_asv_abb = gpu_abb_infobl_default;
#endif /* SOC_NAME */
platform->step = gpu_dvfs_get_level(platform, MALI_DVFS_START_FREQ);
#endif /* CONFIG_MALI_T6XX_DVFS */
platform->cur_clock = platform->table[platform->step].clock;
/* asv info update */
gpu_dvfs_update_asv_table(platform, governor_type);
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
return 1;
}
int gpu_dvfs_clock_lock(gpu_dvfs_lock_command lock_command, gpu_dvfs_lock_type lock_type, int clock)
{
struct kbase_device *kbdev = pkbdev;
struct exynos_context *platform = (struct exynos_context *) kbdev->platform_context;
int i;
bool dirty = false;
unsigned long flags;
DVFS_ASSERT(platform);
if (!platform->dvfs_status)
return 0;
if ((lock_type < TMU_LOCK) || (lock_type >= NUMBER_LOCK)) {
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "%s: invalid lock type is called (%d)\n", __func__, lock_type);
return -1;
}
switch (lock_command) {
case GPU_DVFS_MAX_LOCK:
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
if (gpu_dvfs_get_level(clock) < 0) {
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "max lock error: invalid clock value %d\n", clock);
return -1;
}
platform->user_max_lock[lock_type] = clock;
platform->max_lock = clock;
if (platform->max_lock > 0) {
for (i = 0; i < NUMBER_LOCK; i++) {
if (platform->user_max_lock[i] > 0)
platform->max_lock = MIN(platform->max_lock, platform->user_max_lock[i]);
}
} else {
platform->max_lock = clock;
}
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
if ((platform->max_lock > 0) && (platform->cur_clock >= platform->max_lock))
gpu_set_target_clk_vol(platform->max_lock, false);
GPU_LOG(DVFS_DEBUG, LSI_GPU_MAX_LOCK, lock_type, clock,
"lock max clk[%d], user lock[%d], current clk[%d]\n",
platform->max_lock, platform->user_max_lock[lock_type], platform->cur_clock);
break;
case GPU_DVFS_MIN_LOCK:
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
if (gpu_dvfs_get_level(clock) < 0) {
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "min lock error: invalid clock value %d\n", clock);
return -1;
}
platform->user_min_lock[lock_type] = clock;
platform->min_lock = clock;
if (platform->min_lock > 0) {
for (i = 0; i < NUMBER_LOCK; i++) {
if (platform->user_min_lock[i] > 0)
platform->min_lock = MAX(platform->min_lock, platform->user_min_lock[i]);
}
} else {
platform->min_lock = clock;
}
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
if ((platform->min_lock > 0)&& (platform->cur_clock < platform->min_lock)
&& (platform->min_lock <= platform->max_lock))
gpu_set_target_clk_vol(platform->min_lock, false);
GPU_LOG(DVFS_DEBUG, LSI_GPU_MIN_LOCK, lock_type, clock,
"lock min clk[%d], user lock[%d], current clk[%d]\n",
platform->min_lock, platform->user_min_lock[lock_type], platform->cur_clock);
break;
case GPU_DVFS_MAX_UNLOCK:
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
platform->user_max_lock[lock_type] = 0;
platform->max_lock = platform->gpu_max_clock;
for (i = 0; i < NUMBER_LOCK; i++) {
if (platform->user_max_lock[i] > 0) {
dirty = true;
platform->max_lock = MIN(platform->user_max_lock[i], platform->max_lock);
}
}
if (!dirty)
platform->max_lock = 0;
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
GPU_LOG(DVFS_DEBUG, LSI_GPU_MAX_LOCK, lock_type, clock, "unlock max clk\n");
break;
case GPU_DVFS_MIN_UNLOCK:
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
platform->user_min_lock[lock_type] = 0;
platform->min_lock = platform->gpu_min_clock;
for (i = 0; i < NUMBER_LOCK; i++) {
if (platform->user_min_lock[i] > 0) {
dirty = true;
platform->min_lock = MAX(platform->user_min_lock[i], platform->min_lock);
}
}
if (!dirty)
platform->min_lock = 0;
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
GPU_LOG(DVFS_DEBUG, LSI_GPU_MIN_LOCK, lock_type, clock, "unlock min clk\n");
break;
default:
break;
}
return 0;
}
int gpu_set_target_clk_vol(int clk, bool pending_is_allowed)
{
int ret = 0, target_clk = 0, target_vol = 0;
int prev_clk = 0;
struct kbase_device *kbdev = pkbdev;
struct exynos_context *platform = (struct exynos_context *) kbdev->platform_context;
#ifdef CONFIG_EXYNOS_CL_DVFS_G3D
int level = 0;
#endif
DVFS_ASSERT(platform);
if (!gpu_control_is_power_on(pkbdev)) {
GPU_LOG(DVFS_INFO, DUMMY, 0u, 0u, "%s: can't set clock and voltage in the power-off state!\n", __func__);
return -1;
}
mutex_lock(&platform->gpu_clock_lock);
#ifdef CONFIG_MALI_DVFS
if (pending_is_allowed && platform->dvs_is_enabled) {
if (!platform->dvfs_pending && clk < platform->cur_clock) {
platform->dvfs_pending = clk;
GPU_LOG(DVFS_DEBUG, DUMMY, 0u, 0u, "pending to change the clock [%d -> %d\n", platform->cur_clock, platform->dvfs_pending);
} else if (clk > platform->cur_clock) {
platform->dvfs_pending = 0;
}
mutex_unlock(&platform->gpu_clock_lock);
return 0;
} else {
platform->dvfs_pending = 0;
}
if (platform->dvs_is_enabled) {
mutex_unlock(&platform->gpu_clock_lock);
GPU_LOG(DVFS_INFO, DUMMY, 0u, 0u, "%s: can't control clock and voltage in dvs mode\n", __func__);
return 0;
}
#endif /* CONFIG_MALI_DVFS */
target_clk = gpu_check_target_clock(platform, clk);
if (target_clk < 0) {
mutex_unlock(&platform->gpu_clock_lock);
GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u,
"%s: mismatch clock error (source %d, target %d)\n", __func__, clk, target_clk);
return -1;
}
target_vol = MAX(gpu_dvfs_get_voltage(target_clk) + platform->voltage_margin, platform->cold_min_vol);
target_vol = target_vol < (int) platform->table[0].voltage ? target_vol : (int) platform->table[0].voltage;
prev_clk = gpu_get_cur_clock(platform);
#ifdef CONFIG_EXYNOS_CL_DVFS_G3D
level = gpu_dvfs_get_level(clk);
exynos7420_cl_dvfs_stop(ID_G3D, level);
#endif
GPU_SET_CLK_VOL(kbdev, prev_clk, target_clk, target_vol);
ret = gpu_update_cur_level(platform);
#ifdef CONFIG_EXYNOS_CL_DVFS_G3D
if (!platform->voltage_margin && platform->power_status
&& platform->cl_dvfs_start_base && platform->cur_clock >= platform->cl_dvfs_start_base)
exynos7420_cl_dvfs_start(ID_G3D);
#endif
mutex_unlock(&platform->gpu_clock_lock);
GPU_LOG(DVFS_INFO, DUMMY, 0u, 0u, "clk[%d -> %d], vol[%d (margin : %d)]\n",
prev_clk, gpu_get_cur_clock(platform), gpu_get_cur_voltage(platform), platform->voltage_margin);
return ret;
}
int gpu_dvfs_handler_control(struct kbase_device *kbdev, gpu_dvfs_handler_command command, int param)
{
int ret = 0;
#ifdef CONFIG_MALI_MIDGARD_DVFS
int i;
bool dirty = false;
unsigned long flags;
#endif /* CONFIG_MALI_MIDGARD_DVFS */
struct exynos_context *platform;
platform = (struct exynos_context *)kbdev->platform_context;
if (!platform)
return -ENODEV;
switch (command) {
#ifdef CONFIG_MALI_MIDGARD_DVFS
case GPU_HANDLER_DVFS_ON:
mutex_lock(&platform->gpu_dvfs_handler_lock);
gpu_dvfs_on_off(kbdev, true);
mutex_unlock(&platform->gpu_dvfs_handler_lock);
break;
case GPU_HANDLER_DVFS_OFF:
mutex_lock(&platform->gpu_dvfs_handler_lock);
gpu_dvfs_on_off(kbdev, false);
mutex_unlock(&platform->gpu_dvfs_handler_lock);
break;
case GPU_HANDLER_DVFS_GOVERNOR_CHANGE:
mutex_lock(&platform->gpu_dvfs_handler_lock);
gpu_dvfs_on_off(kbdev, false);
gpu_dvfs_governor_init(kbdev, param);
gpu_dvfs_on_off(kbdev, true);
mutex_unlock(&platform->gpu_dvfs_handler_lock);
break;
case GPU_HANDLER_DVFS_MAX_LOCK:
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
if ((platform->min_lock >= 0) && (param < platform->min_lock)) {
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
GPU_LOG(DVFS_WARNING, "[G3D] max lock Error: lock is smaller than min lock\n");
return -1;
}
if ((platform->target_lock_type < TMU_LOCK) || (platform->target_lock_type >= NUMBER_LOCK)) {
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
return -1;
}
platform->user_max_lock[platform->target_lock_type] = param;
platform->max_lock = param;
if (platform->max_lock > 0) {
for (i = 0; i < NUMBER_LOCK; i++) {
if (platform->user_max_lock[i] > 0)
platform->max_lock = MIN(platform->max_lock, platform->user_max_lock[i]);
}
} else {
platform->max_lock = param;
}
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
if ((platform->max_lock > 0) && (platform->cur_clock > platform->max_lock))
gpu_control_state_set(kbdev, GPU_CONTROL_CHANGE_CLK_VOL, platform->max_lock);
GPU_LOG(DVFS_DEBUG, "[G3D] Lock max clk[%d], user lock[%d], current clk[%d]\n", platform->max_lock,
platform->user_min_lock[platform->target_lock_type], platform->cur_clock);
platform->target_lock_type = -1;
break;
case GPU_HANDLER_DVFS_MIN_LOCK:
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
if ((platform->max_lock > 0) && (param > platform->max_lock)) {
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
GPU_LOG(DVFS_WARNING, "min lock Error: the lock is larger than max lock\n");
return -1;
}
if ((platform->target_lock_type < TMU_LOCK) || (platform->target_lock_type >= NUMBER_LOCK)) {
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
return -1;
}
platform->user_min_lock[platform->target_lock_type] = param;
platform->min_lock = param;
if (platform->min_lock > 0) {
for (i = 0; i < NUMBER_LOCK; i++) {
if (platform->user_min_lock[i] > 0)
platform->min_lock = MAX(platform->min_lock, platform->user_min_lock[i]);
}
} else {
platform->min_lock = param;
}
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
if ((platform->min_lock > 0) && (platform->cur_clock < platform->min_lock))
gpu_control_state_set(kbdev, GPU_CONTROL_CHANGE_CLK_VOL, platform->min_lock);
GPU_LOG(DVFS_DEBUG, "[G3D] Lock min clk[%d], user lock[%d], current clk[%d]\n", platform->min_lock,
platform->user_min_lock[platform->target_lock_type], platform->cur_clock);
platform->target_lock_type = -1;
break;
case GPU_HANDLER_DVFS_MAX_UNLOCK:
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
if ((platform->target_lock_type < TMU_LOCK) || (platform->target_lock_type >= NUMBER_LOCK)) {
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
return -1;
}
platform->user_max_lock[platform->target_lock_type] = 0;
platform->max_lock = platform->table[platform->table_size-1].clock;
for (i = 0; i < NUMBER_LOCK; i++) {
if (platform->user_max_lock[i] > 0) {
dirty = true;
platform->max_lock = MIN(platform->user_max_lock[i], platform->max_lock);
}
}
if (!dirty)
platform->max_lock = 0;
platform->target_lock_type = -1;
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
GPU_LOG(DVFS_DEBUG, "[G3D] Unlock max clk\n");
break;
case GPU_HANDLER_DVFS_MIN_UNLOCK:
spin_lock_irqsave(&platform->gpu_dvfs_spinlock, flags);
if ((platform->target_lock_type < TMU_LOCK) || (platform->target_lock_type >= NUMBER_LOCK)) {
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
return -1;
}
platform->user_min_lock[platform->target_lock_type] = 0;
platform->min_lock = platform->table[0].clock;
for (i = 0; i < NUMBER_LOCK; i++) {
if (platform->user_min_lock[i] > 0) {
dirty = true;
platform->min_lock = MAX(platform->user_min_lock[i], platform->min_lock);
}
}
if (!dirty)
platform->min_lock = 0;
platform->target_lock_type = -1;
spin_unlock_irqrestore(&platform->gpu_dvfs_spinlock, flags);
GPU_LOG(DVFS_DEBUG, "[G3D] Unlock min clk\n");
break;
case GPU_HANDLER_INIT_TIME_IN_STATE:
gpu_dvfs_init_time_in_state(platform);
break;
case GPU_HANDLER_UPDATE_TIME_IN_STATE:
gpu_dvfs_update_time_in_state(platform, param);
break;
case GPU_HANDLER_DVFS_GET_LEVEL:
ret = gpu_dvfs_get_level(platform, param);
break;
#endif /* CONFIG_MALI_MIDGARD_DVFS */
case GPU_HANDLER_DVFS_GET_VOLTAGE:
ret = gpu_dvfs_get_voltage(platform, param);
break;
default:
break;
}
return ret;
}
