G_00000D_FORCE_US 237 drivers/gpu/drm/radeon/r420d.h #define G_00000D_FORCE_US(x) (((x) >> 28) & 0x1) G_00000D_FORCE_US 46 drivers/gpu/drm/radeon/rv350d.h #define G_00000D_FORCE_US(x) (((x) >> 28) & 0x1)