From 225047ca4a61569efc8fbda4d8aa967553e2af91 Mon Sep 17 00:00:00 2001
From: Liang Chen <cl@rock-chips.com>
Date: Mon, 8 Jan 2018 17:35:17 +0800
Subject: [PATCH] video: rockchip: vpu: auto select opp-table by leakage

Change-Id: I3937d7bd896cca9aedb80bac2a8eb8737c79e7fb
Signed-off-by: Liang Chen <cl@rock-chips.com>
---
 drivers/video/rockchip/vcodec/vcodec_service.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/video/rockchip/vcodec/vcodec_service.c b/drivers/video/rockchip/vcodec/vcodec_service.c
index 6aa7b317b47c..45f8ca2b54c7 100644
--- a/drivers/video/rockchip/vcodec/vcodec_service.c
+++ b/drivers/video/rockchip/vcodec/vcodec_service.c
@@ -54,6 +54,7 @@
 #include <linux/dma-buf.h>
 #include <linux/rockchip-iovmm.h>
 #include <video/rk_vpu_service.h>
+#include <soc/rockchip/rockchip_opp_select.h>
 
 #include "vcodec_hw_info.h"
 #include "vcodec_hw_vpu.h"
@@ -3271,6 +3272,9 @@ static int vcodec_probe(struct platform_device *pdev)
 	struct vpu_service_info *pservice = NULL;
 	struct vcodec_device_info *driver_data;
 	struct vpu_session *session = NULL;
+#define MAX_PROP_NAME_LEN	3
+	char name[MAX_PROP_NAME_LEN];
+	int lkg_volt_sel;
 
 	pservice = devm_kzalloc(dev, sizeof(struct vpu_service_info),
 				GFP_KERNEL);
@@ -3327,6 +3331,15 @@ static int vcodec_probe(struct platform_device *pdev)
 		goto err;
 
 	if (!IS_ERR(pservice->vdd_vcodec)) {
+		lkg_volt_sel = rockchip_of_get_lkg_volt_sel(dev,
+							    "rkvdec_leakage");
+		if (lkg_volt_sel >= 0) {
+			snprintf(name, MAX_PROP_NAME_LEN, "L%d", lkg_volt_sel);
+			ret = dev_pm_opp_set_prop_name(dev, name);
+			if (ret)
+				dev_err(dev, "Failed to set prop name\n");
+		}
+
 		if (dev_pm_opp_of_add_table(dev)) {
 			dev_err(dev, "Invalid operating-points\n");
 			return -EINVAL;