Defined in 4 files as a macro:
- sys/external/bsd/drm2/dist/drm/radeon/r100d.h, line 814 (as a macro)
- sys/external/bsd/drm2/dist/drm/radeon/r300d.h, line 316 (as a macro)
- sys/external/bsd/drm2/dist/drm/radeon/r420d.h, line 222 (as a macro)
- sys/external/bsd/drm2/dist/drm/radeon/rv250d.h, line 96 (as a macro)