MC_FUS_VM_FB_OFFSET 2898 drivers/gpu/drm/radeon/evergreen.c 		tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
MC_FUS_VM_FB_OFFSET 2901 drivers/gpu/drm/radeon/evergreen.c 		WREG32(MC_FUS_VM_FB_OFFSET, tmp);