diff --git a/src/i830_driver.c b/src/i830_driver.c
index 9bf0a64..dd158de 100644
--- a/src/i830_driver.c
+++ b/src/i830_driver.c
@@ -966,7 +966,7 @@ i830_init_clock_gating(ScrnInfoPtr pScrn)
      */
     if (IS_GM45(pI830) || IS_G4X(pI830)) {
 	OUTREG(RENCLK_GATE_D1, 0);
-	OUTREG(RENCLK_GATE_D2, 0);
+	OUTREG(RENCLK_GATE_D2, (1<<9)|(1<<7)|(1<<6));
 	OUTREG(RAMCLK_GATE_D, 0);
 	OUTREG(DSPCLK_GATE_D, VRHUNIT_CLOCK_GATE_DISABLE |
 	       OVRUNIT_CLOCK_GATE_DISABLE |