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gma500/oaktrail: panel display quality fix

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The GCT setup was used on Moorestown. The Oaktrail version uses a normal PC
interface. That means we must also honour the dither info from the BIOS
data.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alan Cox 2011-12-20 15:58:44 +00:00 committed by Dave Airlie
parent 5d3852dcab
commit e2e022ec51
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/gma500/oaktrail_lvds.c
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@ -375,6 +375,8 @@ void oaktrail_lvds_init(struct drm_device *dev,
if (dev_priv->vbt_data.size != 0x00)
mode_dev->panel_wants_dither = (dev_priv->gct_data.
Panel_Port_Control & MRST_PANEL_8TO6_DITHER_ENABLE);
if (dev_priv->lvds_dither)
mode_dev->panel_wants_dither = 1;
/*
* LVDS discovery: