static ssize_t gpu_lock_store(struct kobject *kobj,
struct kobj_attribute *attr,
const char *buf, size_t n)
{
int val;
ssize_t ret = -EINVAL;
mutex_lock(&gpu_lock_mutex);
if (sscanf(buf, "%d", &val) != 1) {
pr_info("%s: Invalid gpu lock format\n", __func__);
goto out;
}
if (val == 0) { /* unlock */
gpu_lock_cnt = exynos_gpufreq_unlock();
if (gpu_lock_cnt == 0)
gpu_lock_val = 0;
} else if (val > 0 && val < 5) { /* lock with level */
gpu_lock_cnt = exynos_gpufreq_lock(val);
if (gpu_lock_val < val)
gpu_lock_val = val;
} else {
pr_info("%s: Lock request is invalid\n", __func__);
}
ret = n;
out:
mutex_unlock(&gpu_lock_mutex);
return ret;
}
static ssize_t gpu_lock_store(struct kobject *kobj,
struct kobj_attribute *attr,
const char *buf, size_t n)
{
int val;
ssize_t ret = -EINVAL;
mutex_lock(&gpu_lock_mutex);
if (sscanf(buf, "%d", &val) != 1) {
pr_info("%s: Invalid mali lock format\n", __func__);
goto out;
}
if (val == 0) {
if (gpu_lock_val != 0) {
exynos_gpufreq_unlock();
gpu_lock_val = 0;
} else {
pr_info("%s: Unlock request is ignored\n", __func__);
}
} else if (val == 1) {
if (gpu_lock_val == 0) {
exynos_gpufreq_lock();
gpu_lock_val = val;
} else {
pr_info("%s: Lock request is ignored\n", __func__);
}
} else {
pr_info("%s: Lock request is invalid\n", __func__);
}
ret = n;
out:
mutex_unlock(&gpu_lock_mutex);
return ret;
}
static inline void rotation_booster_off(void)
{
exynos_gpufreq_unlock();
exynos4_busfreq_lock_free(DVFS_LOCK_ID_ROTATION_BOOSTER);
exynos_cpufreq_lock_free(DVFS_LOCK_ID_ROTATION_BOOSTER);
}
