disp: msm: dp: update pll driver to fix clock names per target

With the change in the clock names for newer targets, this fix
updates the driver to support different clock names per target.

Change-Id: I58c35fce34356f8c79adb0ac8a907e2fb60813ae
Signed-off-by: Sudarsan Ramesh <sudarame@codeaurora.org>

msm/dp/dp_pll.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
  */
 
 #include <linux/err.h>
@@ -74,6 +74,34 @@ static void dp_pll_clock_unregister(struct dp_pll *pll)
 	}
 }
 
+int dp_pll_clock_register_helper(struct dp_pll *pll, struct dp_pll_vco_clk *clks, int num_clks)
+{
+	int rc = 0, i = 0;
+	struct platform_device *pdev;
+	struct clk *clk;
+
+	if (!pll || !clks) {
+		DP_ERR("input not initialized\n");
+		return -EINVAL;
+	}
+
+	pdev = pll->pdev;
+
+	for (i = 0; i < num_clks; i++) {
+		clks[i].priv = pll;
+
+		clk = clk_register(&pdev->dev, &clks[i].hw);
+		if (IS_ERR(clk)) {
+			DP_ERR("%s registration failed for DP: %d\n",
+			clk_hw_get_name(&clks[i].hw), pll->index);
+			return -EINVAL;
+		}
+		pll->clk_data->clks[i] = clk;
+	}
+
+	return rc;
+}
+
 struct dp_pll *dp_pll_get(struct dp_pll_in *in)
 {
 	int rc = 0;
@@ -93,6 +121,7 @@ struct dp_pll *dp_pll_get(struct dp_pll_in *in)
 	pll->pdev = in->pdev;
 	pll->parser = in->parser;
 	pll->aux = in->aux;
+	pll->dp_core_revision = in->dp_core_revision;
 	parser = pll->parser;
 	pdev = pll->pdev;