Defined in 4 files as a macro:
- sys/external/bsd/drm2/dist/drm/radeon/r100d.h, line 790 (as a macro)
- sys/external/bsd/drm2/dist/drm/radeon/r300d.h, line 256 (as a macro)
- sys/external/bsd/drm2/dist/drm/radeon/r420d.h, line 162 (as a macro)
- sys/external/bsd/drm2/dist/drm/radeon/rv250d.h, line 36 (as a macro)