drm/i915: Fix read outside array bounds in restoring the SWF10 range.

dev_priv->saveSWF1 is a 16 element array, but this reads up to index 22,
and restored values from the wrong registers.

Signed-off-by: Roel Kluin <[e-mail]>
Signed-off-by: Eric Anholt <[e-mail]>

drivers/gpu/drm/i915/i915_suspend.c

···
 
 	for (i = 0; i < 16; i++) {
 		I915_WRITE(SWF00 + (i << 2), dev_priv->saveSWF0[i]);
-		I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i+7]);
+		I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i]);
 	}
 	for (i = 0; i < 3; i++)
 		I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]);