C_028800_STENCILFUNC 1899 drivers/gpu/drm/radeon/evergreend.h #define   C_028800_STENCILFUNC                         0xFFFFF8FF
C_028800_STENCILFUNC 2347 drivers/gpu/drm/radeon/r600d.h #define   C_028800_STENCILFUNC                         0xFFFFF8FF