From: Jiyu Yang <jiyu.yang@amlogic.com>
Date: Fri, 11 Mar 2016 06:34:02 +0000 (+0800)
Subject: PD#119939 add array check for dvfs table for mali450
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5154c8d437b5d7c9e88e9656d62db1e2f6aaa6b8;p=GitHub%2FLineageOS%2FG12%2Fandroid_hardware_amlogic_kernel-modules_mali-driver.git

PD#119939 add array check for dvfs table for mali450

Change-Id: I9f6b40f28f6ad779c65fffae70d41987a01ab10e
---

diff --git a/mali/platform/meson_bu/scaling.c b/mali/platform/meson_bu/scaling.c
index 1a725a1..54a6d66 100644
--- a/mali/platform/meson_bu/scaling.c
+++ b/mali/platform/meson_bu/scaling.c
@@ -405,6 +405,16 @@ static void mali_decide_next_status(struct mali_gpu_utilization_data *data, int*
 			*pp_change_flag = -1;
 		}
 	}
+
+	if (decided_fs_idx < 0 ) {
+		printk("gpu debug, next index below 0\n");
+		decided_fs_idx = 0;
+	}
+	if (decided_fs_idx > pmali_plat->scale_info.maxclk) {
+		decided_fs_idx = pmali_plat->scale_info.maxclk;
+		printk("gpu debug, next index above max, set to %d\n", decided_fs_idx);
+	}
+
 	if (change_mode)
 		mali_stay_count = pmali_plat->dvfs_table[decided_fs_idx].keep_count;
 	*next_fs_idx = decided_fs_idx;