Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
 drivers/gpu/drm/i915/intel_panel.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_panel.c 
b/drivers/gpu/drm/i915/intel_panel.c
index 5d3e9d7..0362f5c 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -344,6 +344,8 @@ void intel_panel_enable_backlight(struct drm_device *dev,
                                  enum pipe pipe)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
+       enum transcoder cpu_transcoder =
+               intel_pipe_to_cpu_transcoder(dev_priv, pipe);
        unsigned long flags;
 
        spin_lock_irqsave(&dev_priv->backlight.lock, flags);
@@ -374,7 +376,7 @@ void intel_panel_enable_backlight(struct drm_device *dev,
                else
                        tmp &= ~BLM_PIPE_SELECT;
 
-               tmp |= BLM_PIPE(pipe);
+               tmp |= BLM_PIPE(cpu_transcoder);
                tmp &= ~BLM_PWM_ENABLE;
 
                I915_WRITE(reg, tmp);
-- 
1.7.9.5

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