-static int rk_slowdown_clk_gpu_before_poweroff_cores(struct kbase_device *kbdev)
-{
- int ret = 0;
- const unsigned long freq = 200 * 1000 * 1000;
-
- mutex_lock(&kbdev->mutex_for_clk);
- ret = clk_set_rate(kbdev->clock, freq);
- if (ret)
- E("Failed to set clock to %lu.", freq);
- kbdev->is_power_off = true;
- mutex_unlock(&kbdev->mutex_for_clk);
-
- return ret;
-}
-
-static int rk_restore_clk_gpu(struct kbase_device *kbdev)
-{
- int ret = 0;
-
- mutex_lock(&kbdev->mutex_for_clk);
- if (kbdev->freq != 0)
- ret = clk_set_rate(kbdev->clock, kbdev->freq);
- if (ret)
- E("Failed to set clock to %lu.", kbdev->freq);
- kbdev->is_power_off = false;
- mutex_unlock(&kbdev->mutex_for_clk);
-
- return ret;
-}
-