void radeon_pm_compute_clocks(struct radeon_device *rdev);
void radeon_combios_get_power_modes(struct radeon_device *rdev);
void radeon_atombios_get_power_modes(struct radeon_device *rdev);
+bool radeon_pm_in_vbl(struct radeon_device *rdev);
bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
void radeon_sync_with_vblank(struct radeon_device *rdev);