diff --git a/[refs] b/[refs]
index 4f254d48832c..0e724736bc76 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e98ded32f37a538b906d98059b3db71be36405a7
+refs/heads/master: 74e8ebc55d85ca1acb3e73610965bea63cc39054
diff --git a/trunk/drivers/char/drm/radeon_irq.c b/trunk/drivers/char/drm/radeon_irq.c
index 5b18bee6492e..cd25f28e26a3 100644
--- a/trunk/drivers/char/drm/radeon_irq.c
+++ b/trunk/drivers/char/drm/radeon_irq.c
@@ -123,11 +123,6 @@ static int radeon_wait_irq(drm_device_t *dev, int swi_nr)
 
 	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 
-	/* This is a hack to work around mysterious freezes on certain
-	 * systems:
-	 */ 
-	radeon_acknowledge_irqs( dev_priv );
-
 	DRM_WAIT_ON( ret, dev_priv->swi_queue, 3 * DRM_HZ, 
 		     RADEON_READ( RADEON_LAST_SWI_REG ) >= swi_nr );