From: chenxing <chenxing@rock-chips.com>
Date: Wed, 4 Jul 2012 09:23:30 +0000 (+0800)
Subject: rk30:sdk: add GPU frequency limit between 133MHz to 400MHz
X-Git-Tag: firefly_0821_release~9046
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a44982e45922096726ed9376ef9bc40d8e2bb954;p=firefly-linux-kernel-4.4.55.git

rk30:sdk: add GPU frequency limit between 133MHz to 400MHz
---

diff --git a/arch/arm/mach-rk30/cpufreq.c b/arch/arm/mach-rk30/cpufreq.c
index b352b1f9f7a5..f7a1c87c21b7 100755
--- a/arch/arm/mach-rk30/cpufreq.c
+++ b/arch/arm/mach-rk30/cpufreq.c
@@ -256,6 +256,9 @@ static int rk30_cpu_init(struct cpufreq_policy *policy)
 		}
 		clk_enable_dvfs(cpu_clk);
 
+		/* Limit gpu frequency between 133M to 400M */
+		dvfs_clk_enable_limit(gpu_clk, 133000000, 400000000);
+
 		freq_wq = create_singlethread_workqueue("rk30_cpufreqd");
 #ifdef CONFIG_RK30_CPU_FREQ_LIMIT_BY_TEMP
 		if (rk30_cpufreq_is_ondemand_policy(policy)) {