C_028800_STENCIL_ENABLE 1884 drivers/gpu/drm/radeon/evergreend.h #define   C_028800_STENCIL_ENABLE                      0xFFFFFFFE
C_028800_STENCIL_ENABLE 2332 drivers/gpu/drm/radeon/r600d.h #define   C_028800_STENCIL_ENABLE                      0xFFFFFFFE