int gpu_dvfs_on_off(bool enable)
{
struct kbase_device *kbdev = pkbdev;
struct exynos_context *platform = (struct exynos_context *)kbdev->platform_context;
DVFS_ASSERT(platform);
if (enable && !platform->dvfs_status) {
mutex_lock(&platform->gpu_dvfs_handler_lock);
gpu_set_target_clk_vol(platform->cur_clock, false);
gpu_dvfs_handler_init(kbdev);
mutex_unlock(&platform->gpu_dvfs_handler_lock);
gpu_dvfs_timer_control(true);
} else if (!enable && platform->dvfs_status) {
gpu_dvfs_timer_control(false);
mutex_lock(&platform->gpu_dvfs_handler_lock);
gpu_dvfs_handler_deinit(kbdev);
gpu_set_target_clk_vol(platform->gpu_dvfs_config_clock, false);
mutex_unlock(&platform->gpu_dvfs_handler_lock);
} else {
GPU_LOG(DVFS_WARNING, DUMMY, 0u, 0u, "%s: impossible state to change dvfs status (current: %d, request: %d)\n",
__func__, platform->dvfs_status, enable);
return -1;
}
return 0;
}
static int pm_callback_dvfs_on(struct kbase_device *kbdev)
{
struct exynos_context *platform = (struct exynos_context *) kbdev->platform_context;
gpu_dvfs_timer_control(true);
if (platform->dvfs_pending)
platform->dvfs_pending = 0;
return 0;
}
void gpu_dvfs_timer_control_locked(bool enable)
{
struct kbase_device *kbdev = pkbdev;
struct exynos_context *platform = (struct exynos_context *)kbdev->platform_context;
DVFS_ASSERT(platform);
mutex_lock(&platform->gpu_dvfs_handler_lock);
gpu_dvfs_timer_control(enable);
mutex_unlock(&platform->gpu_dvfs_handler_lock);
}
static void pm_callback_runtime_off(struct kbase_device *kbdev)
{
struct exynos_context *platform = (struct exynos_context *) kbdev->platform_context;
if (!platform)
return;
GPU_LOG(DVFS_INFO, LSI_GPU_OFF, 0u, 0u, "runtime off callback\n");
gpu_dvfs_stop_env_data_gathering(kbdev);
#ifdef CONFIG_MALI_DVFS
gpu_dvfs_timer_control(false);
if (platform->dvfs_pending)
platform->dvfs_pending = 0;
#endif /* CONFIG_MALI_DVFS */
if (!platform->early_clk_gating_status)
gpu_control_disable_clock(kbdev);
}