MC_VM_MB_L1_TLB2_CNTL  953 drivers/gpu/drm/radeon/evergreend.h #define	MC_VM_MB_L1_TLB2_CNTL				0x223C
MC_VM_MB_L1_TLB2_CNTL  463 drivers/gpu/drm/radeon/rv770d.h #define	MC_VM_MB_L1_TLB2_CNTL				0x223C