Defined in 3 files as a macro:
- sys/external/bsd/drm/dist/shared-core/r600_blit.c, line 1183 (as a macro)
- sys/external/bsd/drm/dist/shared-core/radeon_cs.c, line 116 (as a macro)
- sys/external/bsd/drm/dist/shared-core/radeon_drv.h, line 1194 (as a macro)