diff mbox series

[v5,3/4] PM / devfreq: panfrost: Use devfreq cooling device registration

Message ID 20210308091646.28096-3-daniel.lezcano@linaro.org
State Superseded
Headers show
Series None | expand

Commit Message

Daniel Lezcano March 8, 2021, 9:16 a.m. UTC
The devfreq core code is able to register the devfreq device as a
cooling device if the 'is_cooling_device' flag is set in the profile.

Use this flag and remove the cooling device registering code.

Tested on rock960.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

---
 drivers/gpu/drm/panfrost/panfrost_devfreq.c | 14 +-------------
 drivers/gpu/drm/panfrost/panfrost_devfreq.h |  3 ---
 2 files changed, 1 insertion(+), 16 deletions(-)

-- 
2.17.1

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Comments

Steven Price March 8, 2021, 9:51 a.m. UTC | #1
On 08/03/2021 09:16, Daniel Lezcano wrote:
> The devfreq core code is able to register the devfreq device as a

> cooling device if the 'is_cooling_device' flag is set in the profile.

> 

> Use this flag and remove the cooling device registering code.

> 

> Tested on rock960.

> 

> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>


Reviewed-by: Steven Price <steven.price@arm.com>


> ---

>   drivers/gpu/drm/panfrost/panfrost_devfreq.c | 14 +-------------

>   drivers/gpu/drm/panfrost/panfrost_devfreq.h |  3 ---

>   2 files changed, 1 insertion(+), 16 deletions(-)

> 

> diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c

> index 56b3f5935703..4d96edf1bc54 100644

> --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c

> +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c

> @@ -3,7 +3,6 @@

>   

>   #include <linux/clk.h>

>   #include <linux/devfreq.h>

> -#include <linux/devfreq_cooling.h>

>   #include <linux/platform_device.h>

>   #include <linux/pm_opp.h>

>   

> @@ -80,6 +79,7 @@ static struct devfreq_dev_profile panfrost_devfreq_profile = {

>   	.polling_ms = 50, /* ~3 frames */

>   	.target = panfrost_devfreq_target,

>   	.get_dev_status = panfrost_devfreq_get_dev_status,

> +	.is_cooling_device = true,

>   };

>   

>   int panfrost_devfreq_init(struct panfrost_device *pfdev)

> @@ -90,7 +90,6 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev)

>   	struct device *dev = &pfdev->pdev->dev;

>   	struct devfreq *devfreq;

>   	struct opp_table *opp_table;

> -	struct thermal_cooling_device *cooling;

>   	struct panfrost_devfreq *pfdevfreq = &pfdev->pfdevfreq;

>   

>   	opp_table = dev_pm_opp_set_regulators(dev, pfdev->comp->supply_names,

> @@ -139,12 +138,6 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev)

>   	}

>   	pfdevfreq->devfreq = devfreq;

>   

> -	cooling = devfreq_cooling_em_register(devfreq, NULL);

> -	if (IS_ERR(cooling))

> -		DRM_DEV_INFO(dev, "Failed to register cooling device\n");

> -	else

> -		pfdevfreq->cooling = cooling;

> -

>   	return 0;

>   

>   err_fini:

> @@ -156,11 +149,6 @@ void panfrost_devfreq_fini(struct panfrost_device *pfdev)

>   {

>   	struct panfrost_devfreq *pfdevfreq = &pfdev->pfdevfreq;

>   

> -	if (pfdevfreq->cooling) {

> -		devfreq_cooling_unregister(pfdevfreq->cooling);

> -		pfdevfreq->cooling = NULL;

> -	}

> -

>   	if (pfdevfreq->opp_of_table_added) {

>   		dev_pm_opp_of_remove_table(&pfdev->pdev->dev);

>   		pfdevfreq->opp_of_table_added = false;

> diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.h b/drivers/gpu/drm/panfrost/panfrost_devfreq.h

> index db6ea48e21f9..470f5c974703 100644

> --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.h

> +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.h

> @@ -9,14 +9,11 @@

>   

>   struct devfreq;

>   struct opp_table;

> -struct thermal_cooling_device;

> -

>   struct panfrost_device;

>   

>   struct panfrost_devfreq {

>   	struct devfreq *devfreq;

>   	struct opp_table *regulators_opp_table;

> -	struct thermal_cooling_device *cooling;

>   	bool opp_of_table_added;

>   

>   	ktime_t busy_time;

> 


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diff mbox series

Patch

diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
index 56b3f5935703..4d96edf1bc54 100644
--- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c
+++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
@@ -3,7 +3,6 @@ 
 
 #include <linux/clk.h>
 #include <linux/devfreq.h>
-#include <linux/devfreq_cooling.h>
 #include <linux/platform_device.h>
 #include <linux/pm_opp.h>
 
@@ -80,6 +79,7 @@  static struct devfreq_dev_profile panfrost_devfreq_profile = {
 	.polling_ms = 50, /* ~3 frames */
 	.target = panfrost_devfreq_target,
 	.get_dev_status = panfrost_devfreq_get_dev_status,
+	.is_cooling_device = true,
 };
 
 int panfrost_devfreq_init(struct panfrost_device *pfdev)
@@ -90,7 +90,6 @@  int panfrost_devfreq_init(struct panfrost_device *pfdev)
 	struct device *dev = &pfdev->pdev->dev;
 	struct devfreq *devfreq;
 	struct opp_table *opp_table;
-	struct thermal_cooling_device *cooling;
 	struct panfrost_devfreq *pfdevfreq = &pfdev->pfdevfreq;
 
 	opp_table = dev_pm_opp_set_regulators(dev, pfdev->comp->supply_names,
@@ -139,12 +138,6 @@  int panfrost_devfreq_init(struct panfrost_device *pfdev)
 	}
 	pfdevfreq->devfreq = devfreq;
 
-	cooling = devfreq_cooling_em_register(devfreq, NULL);
-	if (IS_ERR(cooling))
-		DRM_DEV_INFO(dev, "Failed to register cooling device\n");
-	else
-		pfdevfreq->cooling = cooling;
-
 	return 0;
 
 err_fini:
@@ -156,11 +149,6 @@  void panfrost_devfreq_fini(struct panfrost_device *pfdev)
 {
 	struct panfrost_devfreq *pfdevfreq = &pfdev->pfdevfreq;
 
-	if (pfdevfreq->cooling) {
-		devfreq_cooling_unregister(pfdevfreq->cooling);
-		pfdevfreq->cooling = NULL;
-	}
-
 	if (pfdevfreq->opp_of_table_added) {
 		dev_pm_opp_of_remove_table(&pfdev->pdev->dev);
 		pfdevfreq->opp_of_table_added = false;
diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.h b/drivers/gpu/drm/panfrost/panfrost_devfreq.h
index db6ea48e21f9..470f5c974703 100644
--- a/drivers/gpu/drm/panfrost/panfrost_devfreq.h
+++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.h
@@ -9,14 +9,11 @@ 
 
 struct devfreq;
 struct opp_table;
-struct thermal_cooling_device;
-
 struct panfrost_device;
 
 struct panfrost_devfreq {
 	struct devfreq *devfreq;
 	struct opp_table *regulators_opp_table;
-	struct thermal_cooling_device *cooling;
 	bool opp_of_table_added;
 
 	ktime_t busy_time;