+ if (intel->gen >= 6) {
+ BEGIN_BATCH(4);
+ OUT_BATCH(_3DSTATE_PIPE_CONTROL);
+ OUT_BATCH(PIPE_CONTROL_INSTRUCTION_FLUSH |
+ PIPE_CONTROL_WRITE_FLUSH |
+ PIPE_CONTROL_NO_WRITE);
+ OUT_BATCH(0); /* write address */
+ OUT_BATCH(0); /* write data */
+ ADVANCE_BATCH();
+ } else if (intel->gen >= 4) {