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Commit b02314f9 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "devfreq: Restrict gpu governors to gpu devfreq devices"

parents f74668f9 1f6bfc5a

drivers/devfreq/governor_bw_vbif.c

+2 −0
Original line number Diff line number Diff line
@@ -115,6 +115,8 @@ static int devfreq_vbif_ev_handler(struct devfreq *devfreq, 


static struct devfreq_governor devfreq_vbif = {

	.name = "bw_vbif",

	/* Restrict this governor to only gpu devfreq devices */

	.immutable = 1,

	.get_target_freq = devfreq_vbif_get_freq,

	.event_handler = devfreq_vbif_ev_handler,

};

drivers/devfreq/governor_gpubw_mon.c

+9 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
#include <linux/devfreq.h>

#include <linux/module.h>

#include <linux/msm_adreno_devfreq.h>

#include <linux/of_platform.h>

#include <linux/slab.h>



#include "devfreq_trace.h"
@@ -208,6 +209,14 @@ static int devfreq_gpubw_event_handler(struct devfreq *devfreq, 
{

	int result = 0;

	unsigned long freq;

	struct device_node *node = devfreq->dev.parent->of_node;



	/*

	 * We want to restrict this governor be set only for

	 * gpu devfreq devices.

	 */

	if (!of_device_is_compatible(node, "qcom,kgsl-busmon"))

		return -EINVAL;



	mutex_lock(&devfreq->lock);

	freq = devfreq->previous_freq;

drivers/devfreq/governor_msm_adreno_tz.c

+12 −4
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <asm/cacheflush.h>

#include <soc/qcom/scm.h>

#include <soc/qcom/qtee_shmbridge.h>

#include <linux/of_platform.h>

#include "governor.h"



static DEFINE_SPINLOCK(tz_lock);
@@ -552,11 +553,18 @@ static int tz_suspend(struct devfreq *devfreq) 
static int tz_handler(struct devfreq *devfreq, unsigned int event, void *data)

{

	int result;

	struct msm_adreno_extended_profile *gpu_profile;

	struct device_node *node = devfreq->dev.parent->of_node;



	struct msm_adreno_extended_profile *gpu_profile = container_of(

					(devfreq->profile),

					struct msm_adreno_extended_profile,

					profile);

	/*

	 * We want to restrict this governor be set only for

	 * gpu devfreq devices.

	 */

	if (!of_device_is_compatible(node, "qcom,kgsl-3d0"))

		return -EINVAL;



	gpu_profile = container_of((devfreq->profile),

		struct msm_adreno_extended_profile, profile);



	switch (event) {

	case DEVFREQ_GOV_START: