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drm/i915: backlight combination mode bit is gen4 only 

Not valid for later non-PCH split platforms such as VLV.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jani Nikula 2013-09-24 16:44:39 +03:00 committed by Daniel Vetter
parent 6801c18c0a
commit d9c638d5c6
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_panel.c
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@ -329,7 +329,7 @@ static int is_backlight_combination_mode(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (INTEL_INFO(dev)->gen >= 4)
if (IS_GEN4(dev))
return I915_READ(BLC_PWM_CTL2) & BLM_COMBINATION_MODE;
if (IS_GEN2(dev))