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gma500/oaktrail: panel display quality fix
author
Alan Cox
<alan@linux.intel.com>
Tue, 20 Dec 2011 15:58:44 +0000
(15:58 +0000)
committer
Dave Airlie
<airlied@redhat.com>
Tue, 20 Dec 2011 15:50:13 +0000
(15:50 +0000)
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>
drivers/gpu/drm/gma500/oaktrail_lvds.c
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diff --git
a/drivers/gpu/drm/gma500/oaktrail_lvds.c
b/drivers/gpu/drm/gma500/oaktrail_lvds.c
index 7dc892ae7241d8cfb27e13995d6189a4ab31e23d..238bbe105304f80e5f5227a92b90847871f341b0 100644
(file)
--- 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: