[PATCH 21/72] gpu: ipu-v3: Update DP sync SRM always in ipu_dp_enable_channel()

[Steve Longerbeam]

In Freescale kernels, when a DP channel is enabled, the DP sync
SRM is updated for both background and foreground DP channels. Do
the same.

Signed-off-by: Steve Longerbeam <steve_longerbeam at mentor.com>
---
 drivers/gpu/ipu-v3/ipu-dp.c |   11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/ipu-v3/ipu-dp.c b/drivers/gpu/ipu-v3/ipu-dp.c
index d918596..a31b4a5 100644
--- a/drivers/gpu/ipu-v3/ipu-dp.c
+++ b/drivers/gpu/ipu-v3/ipu-dp.c
@@ -388,14 +388,13 @@ int ipu_dp_enable_channel(struct ipu_dp *dp)
 	struct ipu_dp_priv *priv = flow->priv;
 	u32 reg;
 
-	if (!dp->foreground)
-		return 0;
-
 	mutex_lock(&priv->mutex);
 
-	reg = readl(flow->base + DP_COM_CONF);
-	reg |= DP_COM_CONF_FG_EN;
-	writel(reg, flow->base + DP_COM_CONF);
+	if (dp->foreground) {
+		reg = readl(flow->base + DP_COM_CONF);
+		reg |= DP_COM_CONF_FG_EN;
+		writel(reg, flow->base + DP_COM_CONF);
+	}
 
 	ipu_srm_dp_sync_update(priv->ipu);
 
-- 
1.7.9.5