require_exist     912 drivers/gpu/drm/vmwgfx/vmwgfx_surface.c 	bool require_exist = false;
require_exist     920 drivers/gpu/drm/vmwgfx/vmwgfx_surface.c 			require_exist = true;
require_exist     947 drivers/gpu/drm/vmwgfx/vmwgfx_surface.c 			require_exist = true;
require_exist     950 drivers/gpu/drm/vmwgfx/vmwgfx_surface.c 					 require_exist);