Added GPU OC (Thanks to ktoonsez)

ausdim · Jul 19, 2013 · 01db4f7 · 01db4f7
1 parent dbbf852
commit 01db4f7
Showing 1 changed file with 57 additions and 6 deletions.
diff --git a/drivers/gpu/msm/kgsl_pwrctrl.c b/drivers/gpu/msm/kgsl_pwrctrl.c
@@ -33,6 +33,8 @@
 #define UPDATE_BUSY_VAL		1000000
 #define UPDATE_BUSY		50
 
+unsigned long internal_max = 450000000;
+
 struct clk_pair {
 	const char *name;
 	uint map;
@@ -371,6 +373,9 @@ static int _get_nearest_pwrlevel(struct kgsl_pwrctrl *pwr, unsigned int clock)
 	return -ERANGE;
 }
 
+extern void SetGPUpll_config(u32 loc, unsigned long freq);
+extern void SetMAXGPUFreq(unsigned long freq);
+
 static int kgsl_pwrctrl_max_gpuclk_store(struct device *dev,
 					 struct device_attribute *attr,
 					 const char *buf, size_t count)
@@ -389,6 +394,39 @@ static int kgsl_pwrctrl_max_gpuclk_store(struct device *dev,
 	if (ret != 1)
 		return count;
 
+	if (val == 450000000)
+	{
+		//pwr->pwrlevels[0].gpu_freq = val;
+		//SetMAXGPUFreq(val);
+		SetGPUpll_config(0x21, val);
+	}
+	else if (val == 504000000)
+	{
+		//pwr->pwrlevels[0].gpu_freq = val;
+		//SetMAXGPUFreq(val);
+		SetGPUpll_config(0x25, val);
+	}
+	else if (val == 545000000)
+	{
+		//pwr->pwrlevels[0].gpu_freq = val;
+		//SetMAXGPUFreq(val);
+		SetGPUpll_config(0x28, val);
+	}
+	else if (val == 600000000)
+	{
+		//pwr->pwrlevels[0].gpu_freq = val;
+		//SetMAXGPUFreq(val);
+		SetGPUpll_config(0x2C, val);
+	}
+	else if (val == 627000000)
+	{
+		//pwr->pwrlevels[0].gpu_freq = val;
+		//SetMAXGPUFreq(val);
+		SetGPUpll_config(0x2E, val);
+	}
+
+	internal_max = val;
+
 	mutex_lock(&device->mutex);
 	level = _get_nearest_pwrlevel(pwr, val);
 	if (level < 0)
@@ -403,7 +441,7 @@ static int kgsl_pwrctrl_max_gpuclk_store(struct device *dev,
 
 	if (pwr->thermal_pwrlevel > pwr->active_pwrlevel)
 		kgsl_pwrctrl_pwrlevel_change(device, pwr->thermal_pwrlevel);
-
+	
 done:
 	mutex_unlock(&device->mutex);
 	return count;
@@ -419,8 +457,8 @@ static int kgsl_pwrctrl_max_gpuclk_show(struct device *dev,
 	if (device == NULL)
 		return 0;
 	pwr = &device->pwrctrl;
-	return snprintf(buf, PAGE_SIZE, "%d\n",
-			pwr->pwrlevels[pwr->thermal_pwrlevel].gpu_freq);
+	return snprintf(buf, PAGE_SIZE, "%ld\n",
+			internal_max);
 }
 
 static int kgsl_pwrctrl_gpuclk_store(struct device *dev,
@@ -459,8 +497,12 @@ static int kgsl_pwrctrl_gpuclk_show(struct device *dev,
 	if (device == NULL)
 		return 0;
 	pwr = &device->pwrctrl;
-	return snprintf(buf, PAGE_SIZE, "%d\n",
+	if (pwr->active_pwrlevel != 0)
+		return snprintf(buf, PAGE_SIZE, "%d\n",
 			pwr->pwrlevels[pwr->active_pwrlevel].gpu_freq);
+	else
+		return snprintf(buf, PAGE_SIZE, "%ld\n",
+			internal_max);
 }
 
 static int kgsl_pwrctrl_pwrnap_store(struct device *dev,
@@ -609,8 +651,16 @@ static int kgsl_pwrctrl_gpu_available_frequencies_show(
 		return 0;
 	pwr = &device->pwrctrl;
 	for (index = 0; index < pwr->num_pwrlevels - 1; index++)
-		num_chars += snprintf(buf + num_chars, PAGE_SIZE, "%d ",
-		pwr->pwrlevels[index].gpu_freq);
+		if (index == 0)
+		{
+			num_chars += snprintf(buf + num_chars, PAGE_SIZE, "%d ",627000000);
+			num_chars += snprintf(buf + num_chars, PAGE_SIZE, "%d ",600000000);
+			num_chars += snprintf(buf + num_chars, PAGE_SIZE, "%d ",545000000);
+			num_chars += snprintf(buf + num_chars, PAGE_SIZE, "%d ",504000000);
+			num_chars += snprintf(buf + num_chars, PAGE_SIZE, "%d ",450000000);
+		}
+		else
+			num_chars += snprintf(buf + num_chars, PAGE_SIZE, "%d ",pwr->pwrlevels[index].gpu_freq);
 	buf[num_chars++] = '\n';
 	return num_chars;
 }
@@ -861,6 +911,7 @@ int kgsl_pwrctrl_init(struct kgsl_device *device)
 	struct kgsl_pwrctrl *pwr = &device->pwrctrl;
 	struct kgsl_device_platform_data *pdata = pdev->dev.platform_data;
 
+
 	/*acquire clocks */
 	for (i = 0; i < KGSL_MAX_CLKS; i++) {
 		if (pdata->clk_map & clks[i].map) {