MC_VM_MD_L1_TLB1_CNTL  965 drivers/gpu/drm/radeon/evergreend.h #define	MC_VM_MD_L1_TLB1_CNTL				0x2658
MC_VM_MD_L1_TLB1_CNTL  475 drivers/gpu/drm/radeon/rv770d.h #define	MC_VM_MD_L1_TLB1_CNTL				0x2658