MC_VM_MB_L1_TLB3_CNTL  954 drivers/gpu/drm/radeon/evergreend.h #define	MC_VM_MB_L1_TLB3_CNTL				0x2240
MC_VM_MB_L1_TLB3_CNTL  464 drivers/gpu/drm/radeon/rv770d.h #define	MC_VM_MB_L1_TLB3_CNTL				0x2240