suport gpu dvs

[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-rk30 / cpufreq.c

diff --git a/arch/arm/mach-rk30/cpufreq.c b/arch/arm/mach-rk30/cpufreq.c
old mode 100755 (executable)
new mode 100644 (file)
index b05a842..cdc8c7f
--- a/arch/arm/mach-rk30/cpufreq.c
+++ b/arch/arm/mach-rk30/cpufreq.c
@@ -202,6 +202,20 @@ static int rk30_verify_speed(struct cpufreq_policy *policy)
 static int rk30_cpu_init(struct cpufreq_policy *policy)
 {
        if (policy->cpu == 0) {
+               struct clk *gpu_clk;
+               struct clk *ddr_clk;
+               
+               gpu_clk = clk_get(NULL, "gpu");
+               if (!IS_ERR(gpu_clk))
+                       clk_enable_dvfs(gpu_clk);
+
+               ddr_clk = clk_get(NULL, "ddr");
+               if (!IS_ERR(ddr_clk))
+               {
+                       clk_enable_dvfs(ddr_clk);
+                       clk_set_rate(ddr_clk,clk_get_rate(ddr_clk)+1);
+               }
+               
                cpu_clk = clk_get(NULL, "cpu");
                if (IS_ERR(cpu_clk))
                        return PTR_ERR(cpu_clk);