+
+static void radeon_uvd_idle_work_handler(struct work_struct *work)
+{
+ struct radeon_device *rdev =
+ container_of(work, struct radeon_device, uvd.idle_work.work);
+
+ if (radeon_fence_count_emitted(rdev, R600_RING_TYPE_UVD_INDEX) == 0)
+ radeon_set_uvd_clocks(rdev, 0, 0);
+ else
+ schedule_delayed_work(&rdev->uvd.idle_work,
+ msecs_to_jiffies(UVD_IDLE_TIMEOUT_MS));
+}
+
+void radeon_uvd_note_usage(struct radeon_device *rdev)
+{
+ bool set_clocks = !cancel_delayed_work_sync(&rdev->uvd.idle_work);
+ set_clocks &= schedule_delayed_work(&rdev->uvd.idle_work,
+ msecs_to_jiffies(UVD_IDLE_TIMEOUT_MS));
+ if (set_clocks)
+ radeon_set_uvd_clocks(rdev, 53300, 40000);
+}