These should probably all look like

        enabled |= (1 << pipe)

so that the intent is clear...

Signed-off-by: Keith Packard <kei...@keithp.com>
---
 drivers/gpu/drm/i915/intel_pm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 94aabca..1a84425 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -1815,7 +1815,7 @@ static void sandybridge_update_wm(struct drm_device *dev)
                DRM_DEBUG_KMS("FIFO watermarks For pipe C -"
                              " plane %d, cursor: %d\n",
                              plane_wm, cursor_wm);
-               enabled |= 3;
+               enabled |= 4;
        }
 
        /*
-- 
1.7.10.4

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