disp: msm: dsi: snapshot of dsi from 4.14 to 4.19

This change is a snapshot of dsi files taken of 4.14
as of commit 764f7c2 (Merge remote-tracking branch
'quic/dev/msm-4.14-display' into msm-4.14)

Change-Id: I8361a844c35a4450f7800964a8da2741676fd6c7
Signed-off-by: Satya Rama Aditya Pinapala <psraditya30@codeaurora.org>

msm/dsi/dsi_phy.c

@@ -1139,7 +1139,6 @@ int dsi_phy_conv_logical_to_phy_lane(
 	return i;
 }
 
-
 /**
  * dsi_phy_config_dynamic_refresh() - Configure dynamic refresh registers
  * @phy:	DSI PHY handle
@@ -1239,6 +1238,27 @@ void dsi_phy_dynamic_refresh_clear(struct msm_dsi_phy *phy)
 	mutex_unlock(&phy->phy_lock);
 }
 
+/**
+ * dsi_phy_set_continuous_clk() - set/unset force clock lane HS request
+ * @phy:	DSI PHY handle
+ * @enable:	variable to control continuous clock
+ */
+void dsi_phy_set_continuous_clk(struct msm_dsi_phy *phy, bool enable)
+{
+	if (!phy)
+		return;
+
+	mutex_lock(&phy->phy_lock);
+
+	if (phy->hw.ops.set_continuous_clk)
+		phy->hw.ops.set_continuous_clk(&phy->hw, enable);
+	else
+		pr_warn("set_continuous_clk ops not present\n");
+
+	mutex_unlock(&phy->phy_lock);
+
+}
+
 void dsi_phy_drv_register(void)
 {
 	platform_driver_register(&dsi_phy_platform_driver);