From: xu xing <xing.xu@amlogic.com>
Date: Thu, 29 May 2014 10:37:55 +0000 (+0800)
Subject: PD #81802:thermal:add gpu freq control in m8b,do not control gpu core num
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=08a4c4a4b895b0e2520ffc2fb0c416844a560398;p=GitHub%2FLineageOS%2FG12%2Fandroid_hardware_amlogic_kernel-modules_mali-driver.git

PD #81802:thermal:add gpu freq control in m8b,do not control gpu core num
---

diff --git a/mali/platform/meson_m450/platform_m8b.c b/mali/platform/meson_m450/platform_m8b.c
index 8b2544e..22291bb 100755
--- a/mali/platform/meson_m450/platform_m8b.c
+++ b/mali/platform/meson_m450/platform_m8b.c
@@ -23,7 +23,8 @@
 #include <common/mali_kernel_common.h>
 #include <common/mali_osk_profiling.h>
 #include <common/mali_pmu.h>
-
+#include <linux/gpu_cooling.h>
+#include <linux/gpucore_cooling.h>
 #include "meson_main.h"
 
 /**
@@ -62,6 +63,30 @@ u32 get_mali_tbl_size(void)
 	return sizeof(mali_dvfs_clk) / sizeof(u32);
 }
 
+int get_mali_freq_level(int freq)
+{
+	int i = 0, level = -1;
+	if(freq < 0)
+		return level;
+	int mali_freq_num = sizeof(mali_dvfs_clk_sample) / sizeof(mali_dvfs_clk_sample[0]) - 1;
+	if(freq <= mali_dvfs_clk_sample[0])
+		level = mali_freq_num-1;
+	if(freq >= mali_dvfs_clk_sample[mali_freq_num - 1])
+		level = 0;
+	for(i=0; i<mali_freq_num - 1 ;i++) {
+		if(freq >= mali_dvfs_clk_sample[i] && freq<=mali_dvfs_clk_sample[i+1]) {
+			level = i;
+			level = mali_freq_num-level-1;
+		}
+	}
+	return level;
+}
+
+unsigned int get_mali_max_level(void)
+{
+	int mali_freq_num = sizeof(mali_dvfs_clk_sample) / sizeof(mali_dvfs_clk_sample[0]);
+	return mali_freq_num - 1;
+}
 #define MALI_PP_NUMBER 2
 
 static struct resource mali_gpu_resources[] =
@@ -90,6 +115,41 @@ int mali_meson_init_start(struct platform_device* ptr_plt_dev)
 int mali_meson_init_finish(struct platform_device* ptr_plt_dev)
 {
 	mali_core_scaling_init(MALI_PP_NUMBER, mali_default_clock_idx);
+#ifdef CONFIG_GPU_THERMAL
+	int err;
+	struct gpufreq_cooling_device *gcdev = NULL;
+	gcdev = gpufreq_cooling_alloc();
+	if(IS_ERR(gcdev))
+		printk("malloc gpu cooling buffer error!!\n");
+	else if(!gcdev)
+		printk("system does not enable thermal driver\n");
+	else {
+		gcdev->get_gpu_freq_level = get_mali_freq_level;
+		gcdev->get_gpu_max_level = get_mali_max_level;
+		gcdev->set_gpu_freq_idx = set_max_mali_freq;
+		gcdev->get_gpu_current_max_level = get_max_mali_freq;
+		err = gpufreq_cooling_register(gcdev);
+		if(err < 0)
+			printk("register GPU  cooling error\n");
+		printk("gpu cooling register okay with err=%d\n",err);
+	}
+#if 0
+	struct gpucore_cooling_device *gccdev=NULL;
+	gccdev=gpucore_cooling_alloc();
+	if(IS_ERR(gccdev))
+		printk("malloc gpu core cooling buffer error!!\n");
+	else if(!gccdev)
+		printk("system does not enable thermal driver\n");
+	else {
+		gccdev->max_gpu_core_num=MALI_PP_NUMBER;
+		gccdev->set_max_pp_num=set_max_pp_num;
+		err=gpucore_cooling_register(gccdev);
+		if(err < 0)
+			printk("register GPU  cooling error\n");
+		printk("gpu core cooling register okay with err=%d\n",err);
+	}
+#endif
+#endif
 	return 0;
 }