QUANTUM_SCALE_1MS   50 drivers/gpu/drm/amd/amdkfd/cik_regs.h #define	QUANTUM_SCALE_1MS				(1U << 4)
QUANTUM_SCALE_1MS 1501 drivers/gpu/drm/radeon/cikd.h #define	QUANTUM_SCALE_1MS				(1U << 4)