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authorZhenyu Wang <zhenyuw@linux.intel.com>2009-09-19 14:54:07 +0800
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-09-17 14:31:01 -0700
commit339e5a4c78041cd7b473ddf0a81eb06a131127bb (patch)
tree23ecc02965faad2a013ab2115b46207d56652b0f /drivers/gpu/drm/i915
parentb09aea7fb38f328c02e9f9b79617cabed02455e4 (diff)
downloadop-kernel-dev-339e5a4c78041cd7b473ddf0a81eb06a131127bb.zip
op-kernel-dev-339e5a4c78041cd7b473ddf0a81eb06a131127bb.tar.gz
drm/i915: Fix SSC frequence for IGDNG
IGDNG LVDS SSC uses 120Mhz freq. This fixes one 1600x900 LVDS panel black issue on IGDNG with SSC enabled. Cc: Stable Team <stable@kernel.org> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/intel_bios.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 1e28c16..4337414 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -217,6 +217,9 @@ parse_general_features(struct drm_i915_private *dev_priv,
if (IS_I85X(dev_priv->dev))
dev_priv->lvds_ssc_freq =
general->ssc_freq ? 66 : 48;
+ else if (IS_IGDNG(dev_priv->dev))
+ dev_priv->lvds_ssc_freq =
+ general->ssc_freq ? 100 : 120;
else
dev_priv->lvds_ssc_freq =
general->ssc_freq ? 100 : 96;
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