From: Egbert Eich <e...@suse.de>
According to the use UMS X.Org driver G200 WB chips don't support
doublescan
Signed-off-by: Egbert Eich <e...@suse.de>
Signed-off-by: Takashi Iwai <ti...@suse.de>
---
drivers/gpu/drm/mgag200/mgag200_mode.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c
b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 1b2b117a48d1..ca5a6df98fa3 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -1734,6 +1734,7 @@ static struct drm_connector *mga_vga_init(struct
drm_device *dev)
{
struct drm_connector *connector;
struct mga_connector *mga_connector;
+ struct mga_device *mdev = dev->dev_private;
mga_connector = kzalloc(sizeof(struct mga_connector), GFP_KERNEL);
if (!mga_connector)
@@ -1742,7 +1743,7 @@ static struct drm_connector *mga_vga_init(struct
drm_device *dev)
connector = &mga_connector->base;
connector->interlace_allowed = true;
- connector->doublescan_allowed = true;
+ connector->doublescan_allowed = (mdev->type == G200_WB) ? false : true;
drm_connector_init(dev, connector,
&mga_vga_connector_funcs, DRM_MODE_CONNECTOR_VGA);
--
2.13.2
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