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Commit 45ad584d authored by Raghu Ananya Arabolu's avatar Raghu Ananya Arabolu
Browse files

msm: kgsl: Modify gpu_max_clock sysfs node 



The intent of the gpu_max_clock node is to set / show the maximum
GPU frequency. To accomplish this, set the max_pwrlevel instead of
thermal_pwrlevel when the gpu_max_clock node is set.

Change-Id: I90c5e638f22b363c60d351c8c78814df67b256a2
Signed-off-by: default avatarRaghu Ananya Arabolu <rarabolu@codeaurora.org>
parent da2e3647

drivers/gpu/msm/kgsl_pwrctrl.c

+7 −6
Original line number Diff line number Diff line
@@ -919,7 +919,7 @@ static ssize_t _max_clock_mhz_show(struct kgsl_device *device, char *buf) 
	struct kgsl_pwrctrl *pwr = &device->pwrctrl;



	return scnprintf(buf, PAGE_SIZE, "%d\n",

		pwr->pwrlevels[pwr->thermal_pwrlevel].gpu_freq / 1000000);

		pwr->pwrlevels[pwr->max_pwrlevel].gpu_freq / 1000000);

}



static ssize_t max_clock_mhz_show(struct device *dev,
@@ -935,6 +935,7 @@ static ssize_t _max_clock_mhz_store(struct kgsl_device *device, 
{

	u32 freq;

	int ret, level;

	struct kgsl_pwrctrl *pwr = &device->pwrctrl;



	ret = kstrtou32(buf, 0, &freq);

	if (ret)
@@ -944,11 +945,11 @@ static ssize_t _max_clock_mhz_store(struct kgsl_device *device, 
	if (level < 0)

		return level;



	/*

	 * Confusingly this node has been setting the thermal pwrlevel despite

	 * it's name

	 */

	kgsl_pwrctrl_set_thermal_pwrlevel(device, level);

	mutex_lock(&device->mutex);

	pwr->max_pwrlevel = min_t(unsigned int, level, pwr->min_pwrlevel);

	kgsl_pwrctrl_pwrlevel_change(device, pwr->active_pwrlevel);

	mutex_unlock(&device->mutex);



	return count;

}