[PATCH 2/2] oaktrail: panel display quality fix
From: Alan Cox
Date: Tue Dec 20 2011 - 10:46:21 EST
From: Alan Cox <alan@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/gma500/oaktrail_lvds.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/gma500/oaktrail_lvds.c b/drivers/gpu/drm/gma500/oaktrail_lvds.c
index 7dc892a..238bbe1 100644
--- a/drivers/gpu/drm/gma500/oaktrail_lvds.c
+++ b/drivers/gpu/drm/gma500/oaktrail_lvds.c
@@ -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:
--
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