r600_set_bios_scratch_engine_hung
r600_set_bios_scratch_engine_hung(rdev, true);
r600_set_bios_scratch_engine_hung(rdev, false);
r600_set_bios_scratch_engine_hung(rdev, true);
r600_set_bios_scratch_engine_hung(rdev, false);
r600_set_bios_scratch_engine_hung(rdev, true);
r600_set_bios_scratch_engine_hung(rdev, false);
r600_set_bios_scratch_engine_hung(rdev, true);
r600_set_bios_scratch_engine_hung(rdev, false);
extern void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung);
r600_set_bios_scratch_engine_hung(rdev, true);
r600_set_bios_scratch_engine_hung(rdev, false);