MC_VM_MB_L1_TLB1_CNTL  952 drivers/gpu/drm/radeon/evergreend.h #define	MC_VM_MB_L1_TLB1_CNTL				0x2238
MC_VM_MB_L1_TLB1_CNTL  462 drivers/gpu/drm/radeon/rv770d.h #define	MC_VM_MB_L1_TLB1_CNTL				0x2238