S_028800_STENCILFUNC 1897 drivers/gpu/drm/radeon/evergreend.h #define   S_028800_STENCILFUNC(x)                      (((x) & 0x7) << 8)
S_028800_STENCILFUNC 2345 drivers/gpu/drm/radeon/r600d.h #define   S_028800_STENCILFUNC(x)                      (((x) & 0x7) << 8)