Defined in 4 files as a macro:
- drivers/gpu/drm/radeon/evergreend.h, line 824 (as a macro)
- drivers/gpu/drm/radeon/nid.h, line 348 (as a macro)
- drivers/gpu/drm/radeon/r600d.h, line 249 (as a macro)
- drivers/gpu/drm/radeon/rv770d.h, line 397 (as a macro)