Burning cpu cycles isn't awesome, so use sleeps instead.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
                line_mask = DSL_LINEMASK_GEN3;
 
        line1 = I915_READ(reg) & line_mask;
-       mdelay(5);
+       msleep(5);
        line2 = I915_READ(reg) & line_mask;
 
        return line1 == line2;
 
 
        if (wait_for_atomic((I915_READ(MEMSWCTL) & MEMCTL_CMD_STS) == 0, 10))
                DRM_ERROR("stuck trying to change perf mode\n");
-       mdelay(1);
+       msleep(1);
 
        ironlake_set_drps(dev, fstart);
 
 
        /* Go back to the starting frequency */
        ironlake_set_drps(dev, dev_priv->ips.fstart);
-       mdelay(1);
+       msleep(1);
        rgvswctl |= MEMCTL_CMD_STS;
        I915_WRITE(MEMSWCTL, rgvswctl);
-       mdelay(1);
+       msleep(1);
 
        spin_unlock_irq(&mchdev_lock);
 }