must_be_zero 1300 drivers/gpu/drm/vmwgfx/vmwgfx_surface.c req_ext.must_be_zero = 0; must_be_zero 1754 drivers/gpu/drm/vmwgfx/vmwgfx_surface.c rep->creq.must_be_zero = 0; must_be_zero 1155 include/uapi/drm/vmwgfx_drm.h uint64_t must_be_zero;