Add detect video driver by cmdline param.

pym/cl_fill.py

@@ -446,6 +446,9 @@ class fillVars(varsShare):
                            os.listdir(xorg_modules_dir)))
         else:
             list_avialable_drivers = []
+        videoVal = self.getValueFromCmdLine("calculate",4)
+        if videoVal in list_avialable_drivers + ["auto"]:
+            return videoVal
         if display and list_avialable_drivers:
             reDriver = re.compile('|'.join(map(lambda x: "%s_drv.so"%x,
                                                list_avialable_drivers)))