blob: 1590c7b95dcc91dbd77748cf0d43a9ab44d43cdc [file] [log] [blame]
From b991b00d3a25db3f081d1b8a3216fcf1abf7c519 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Tue, 24 Sep 2013 16:44:39 +0300
Subject: drm/i915: backlight combination mode bit is gen4 only
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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>
(cherry picked from commit d9c638d5c6fb96770e77637547629a32cb362075)
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
---
drivers/gpu/drm/i915/intel_panel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 3bc89a6bc3ee..8f025c694733 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -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))
--
1.8.5.rc3