[PATCH] drm/hisilicon: Enable the shadowfb for hibmc

[Tian Tao]

set the prefer_shadow as 1,so we use the shadowfb to acceleration.

Signed-off-by: Tian Tao <tiantao6 at hisilicon.com>
Signed-off-by: Gong junjie <gongjunjie2 at huawei.com>
---
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index dbdeb2b..2883555 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -93,7 +93,7 @@ static int hibmc_kms_init(struct hibmc_drm_private *priv)
 
 	priv->dev->mode_config.fb_base = priv->fb_base;
 	priv->dev->mode_config.preferred_depth = 24;
-	priv->dev->mode_config.prefer_shadow = 0;
+	priv->dev->mode_config.prefer_shadow = 1;
 
 	priv->dev->mode_config.funcs = (void *)&hibmc_mode_funcs;
 
-- 
2.7.4