Defined in 4 files as a macro:
- drivers/gpu/drm/radeon/evergreend.h, line 1092 (as a macro)
- drivers/gpu/drm/radeon/nid.h, line 406 (as a macro)
- drivers/gpu/drm/radeon/r600d.h, line 513 (as a macro)
- drivers/gpu/drm/radeon/rv770d.h, line 592 (as a macro)