From 3b1503b82976a145710cddd90dea728f6785d088 Mon Sep 17 00:00:00 2001
From: Finley Xiao <finley.xiao@rock-chips.com>
Date: Thu, 28 Mar 2019 17:58:09 +0800
Subject: [PATCH] MALI: midgard_for_linux: RK: Add support to get soc
 infomation

Change-Id: I0fcc59bdb978ea85de3c1afb9ae6b368d1fd5e9c
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
---
 .../platform/rk/mali_kbase_config_rk.c        | 50 ++++++++++++++++++-
 1 file changed, 49 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/arm/midgard_for_linux/platform/rk/mali_kbase_config_rk.c b/drivers/gpu/arm/midgard_for_linux/platform/rk/mali_kbase_config_rk.c
index 3b223a44a44c..f48ce67cb569 100644
--- a/drivers/gpu/arm/midgard_for_linux/platform/rk/mali_kbase_config_rk.c
+++ b/drivers/gpu/arm/midgard_for_linux/platform/rk/mali_kbase_config_rk.c
@@ -21,6 +21,7 @@
 #include <linux/of.h>
 #include <linux/delay.h>
 #include <linux/nvmem-consumer.h>
+#include <linux/rockchip/cpu.h>
 #include <linux/soc/rockchip/pvtm.h>
 #include <linux/thermal.h>
 #include <soc/rockchip/rockchip_opp_select.h>
@@ -430,8 +431,55 @@ static void kbase_platform_rk_remove_sysfs_files(struct device *dev)
 	device_remove_file(dev, &dev_attr_utilisation);
 }
 
+static int rk3288_get_soc_info(struct device *dev, struct device_node *np,
+			       int *bin, int *process)
+{
+	int ret = -EINVAL, value = -EINVAL;
+	char *name;
+
+	if (!bin)
+		goto out;
+
+	if (soc_is_rk3288w())
+		name = "performance-w";
+	else
+		name = "performance";
+	if (of_property_match_string(np, "nvmem-cell-names", name) >= 0) {
+		ret = rockchip_get_efuse_value(np, name, &value);
+		if (ret) {
+			dev_err(dev, "Failed to get soc performance value\n");
+			goto out;
+		}
+		if (value & 0x2)
+			*bin = 3;
+		else if (value & 0x01)
+			*bin = 2;
+		else
+			*bin = 0;
+	} else {
+		dev_err(dev, "Failed to get bin config\n");
+	}
+	if (*bin >= 0)
+		dev_info(dev, "bin=%d\n", *bin);
+
+out:
+	return ret;
+}
+
+static const struct of_device_id rockchip_mali_of_match[] = {
+	{
+		.compatible = "rockchip,rk3288",
+		.data = (void *)&rk3288_get_soc_info,
+	},
+	{
+		.compatible = "rockchip,rk3288w",
+		.data = (void *)&rk3288_get_soc_info,
+	},
+	{},
+};
+
 int kbase_platform_rk_init_opp_table(struct kbase_device *kbdev)
 {
-	return rockchip_init_opp_table(kbdev->dev, NULL,
+	return rockchip_init_opp_table(kbdev->dev, rockchip_mali_of_match,
 				       "gpu_leakage", "mali");
 }