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* [PATCH v2] thermal: devfreq_cooling: Fix perf state when calculate dfc res_util
@ 2024-03-21 10:21 ` Ye Zhang
  0 siblings, 0 replies; 9+ messages in thread
From: Ye Zhang @ 2024-03-21 10:21 UTC (permalink / raw)
  To: ye.zhang, finley.xiao, heiko, daniel.lezcano, rui.zhang,
	lukasz.luba, rafael
  Cc: tao.huang, linux-rockchip, linux-pm, linux-kernel, stable

The issue occurs when the devfreq cooling device uses the EM power model
and the get_real_power() callback is provided by the driver.

The EM power table is sorted ascending，can't index the table by cooling
device state，so convert cooling state to performance state by
dfc->max_state - dfc->capped_state.

Fixes: 615510fe13bd ("thermal: devfreq_cooling: remove old power model and use EM")
Cc: 5.11+ <stable@vger.kernel.org> # 5.11+
Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
---
v1 -> v2:
  - Update the commit message.

 drivers/thermal/devfreq_cooling.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
index 50dec24e967a..8fd7cf1932cd 100644
--- a/drivers/thermal/devfreq_cooling.c
+++ b/drivers/thermal/devfreq_cooling.c
@@ -214,7 +214,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
 
 		res = dfc->power_ops->get_real_power(df, power, freq, voltage);
 		if (!res) {
-			state = dfc->capped_state;
+			state = dfc->max_state - dfc->capped_state;
 
 			/* Convert EM power into milli-Watts first */
 			rcu_read_lock();
-- 
2.34.1


_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

^ permalink raw reply related	[flat|nested] 9+ messages in thread
* [PATCH v2] thermal: devfreq_cooling: Fix perf state when calculate dfc res_util
@ 2024-03-21 10:21 ` Ye Zhang
  0 siblings, 0 replies; 9+ messages in thread
From: Ye Zhang @ 2024-03-21 10:21 UTC (permalink / raw)
  To: ye.zhang, finley.xiao, heiko, daniel.lezcano, rui.zhang,
	lukasz.luba, rafael
  Cc: tao.huang, linux-rockchip, linux-pm, linux-kernel, stable

The issue occurs when the devfreq cooling device uses the EM power model
and the get_real_power() callback is provided by the driver.

The EM power table is sorted ascending，can't index the table by cooling
device state，so convert cooling state to performance state by
dfc->max_state - dfc->capped_state.

Fixes: 615510fe13bd ("thermal: devfreq_cooling: remove old power model and use EM")
Cc: 5.11+ <stable@vger.kernel.org> # 5.11+
Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
---
v1 -> v2:
  - Update the commit message.

 drivers/thermal/devfreq_cooling.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
index 50dec24e967a..8fd7cf1932cd 100644
--- a/drivers/thermal/devfreq_cooling.c
+++ b/drivers/thermal/devfreq_cooling.c
@@ -214,7 +214,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
 
 		res = dfc->power_ops->get_real_power(df, power, freq, voltage);
 		if (!res) {
-			state = dfc->capped_state;
+			state = dfc->max_state - dfc->capped_state;
 
 			/* Convert EM power into milli-Watts first */
 			rcu_read_lock();
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 9+ messages in thread
* Re: [PATCH v2] thermal: devfreq_cooling: Fix perf state when calculate dfc res_util
  2024-03-21 10:21 ` Ye Zhang
@ 2024-03-22  8:00   ` Dhruva Gole
  -1 siblings, 0 replies; 9+ messages in thread
From: Dhruva Gole @ 2024-03-22  8:00 UTC (permalink / raw)
  To: Ye Zhang
  Cc: finley.xiao, heiko, daniel.lezcano, rui.zhang, lukasz.luba,
	rafael, tao.huang, linux-rockchip, linux-pm, linux-kernel,
	stable

Hi,

On Mar 21, 2024 at 18:21:00 +0800, Ye Zhang wrote:
> The issue occurs when the devfreq cooling device uses the EM power model
> and the get_real_power() callback is provided by the driver.
> 
> The EM power table is sorted ascending，can't index the table by cooling
> device state，so convert cooling state to performance state by
> dfc->max_state - dfc->capped_state.

Thanks for the updated explanation!

> 
> Fixes: 615510fe13bd ("thermal: devfreq_cooling: remove old power model and use EM")
> Cc: 5.11+ <stable@vger.kernel.org> # 5.11+
> Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
> ---
> v1 -> v2:
>   - Update the commit message.
> 
>  drivers/thermal/devfreq_cooling.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
> index 50dec24e967a..8fd7cf1932cd 100644
> --- a/drivers/thermal/devfreq_cooling.c
> +++ b/drivers/thermal/devfreq_cooling.c
> @@ -214,7 +214,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
>  
>  		res = dfc->power_ops->get_real_power(df, power, freq, voltage);
>  		if (!res) {
> -			state = dfc->capped_state;
> +			state = dfc->max_state - dfc->capped_state;

Reviewed-by: Dhruva Gole <d-gole@ti.com>


-- 
Best regards,
Dhruva

_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

^ permalink raw reply	[flat|nested] 9+ messages in thread
* Re: [PATCH v2] thermal: devfreq_cooling: Fix perf state when calculate dfc res_util
@ 2024-03-22  8:00   ` Dhruva Gole
  0 siblings, 0 replies; 9+ messages in thread
From: Dhruva Gole @ 2024-03-22  8:00 UTC (permalink / raw)
  To: Ye Zhang
  Cc: finley.xiao, heiko, daniel.lezcano, rui.zhang, lukasz.luba,
	rafael, tao.huang, linux-rockchip, linux-pm, linux-kernel,
	stable

Hi,

On Mar 21, 2024 at 18:21:00 +0800, Ye Zhang wrote:
> The issue occurs when the devfreq cooling device uses the EM power model
> and the get_real_power() callback is provided by the driver.
> 
> The EM power table is sorted ascending，can't index the table by cooling
> device state，so convert cooling state to performance state by
> dfc->max_state - dfc->capped_state.

Thanks for the updated explanation!

> 
> Fixes: 615510fe13bd ("thermal: devfreq_cooling: remove old power model and use EM")
> Cc: 5.11+ <stable@vger.kernel.org> # 5.11+
> Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
> ---
> v1 -> v2:
>   - Update the commit message.
> 
>  drivers/thermal/devfreq_cooling.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
> index 50dec24e967a..8fd7cf1932cd 100644
> --- a/drivers/thermal/devfreq_cooling.c
> +++ b/drivers/thermal/devfreq_cooling.c
> @@ -214,7 +214,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
>  
>  		res = dfc->power_ops->get_real_power(df, power, freq, voltage);
>  		if (!res) {
> -			state = dfc->capped_state;
> +			state = dfc->max_state - dfc->capped_state;

Reviewed-by: Dhruva Gole <d-gole@ti.com>


-- 
Best regards,
Dhruva

^ permalink raw reply	[flat|nested] 9+ messages in thread
* Re: [PATCH v2] thermal: devfreq_cooling: Fix perf state when calculate dfc res_util
  2024-03-21 10:21 ` Ye Zhang
@ 2024-03-22  8:50   ` Lukasz Luba
  -1 siblings, 0 replies; 9+ messages in thread
From: Lukasz Luba @ 2024-03-22  8:50 UTC (permalink / raw)
  To: Ye Zhang
  Cc: tao.huang, heiko, rafael, daniel.lezcano, finley.xiao,
	linux-rockchip, linux-pm, linux-kernel, stable, rui.zhang



On 3/21/24 10:21, Ye Zhang wrote:
> The issue occurs when the devfreq cooling device uses the EM power model
> and the get_real_power() callback is provided by the driver.
> 
> The EM power table is sorted ascending，can't index the table by cooling
> device state，so convert cooling state to performance state by
> dfc->max_state - dfc->capped_state.
> 
> Fixes: 615510fe13bd ("thermal: devfreq_cooling: remove old power model and use EM")
> Cc: 5.11+ <stable@vger.kernel.org> # 5.11+
> Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
> ---
> v1 -> v2:
>    - Update the commit message.
> 
>   drivers/thermal/devfreq_cooling.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
> index 50dec24e967a..8fd7cf1932cd 100644
> --- a/drivers/thermal/devfreq_cooling.c
> +++ b/drivers/thermal/devfreq_cooling.c
> @@ -214,7 +214,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
>   
>   		res = dfc->power_ops->get_real_power(df, power, freq, voltage);
>   		if (!res) {
> -			state = dfc->capped_state;
> +			state = dfc->max_state - dfc->capped_state;
>   
>   			/* Convert EM power into milli-Watts first */
>   			rcu_read_lock();

Thanks, LGTM

Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>

^ permalink raw reply	[flat|nested] 9+ messages in thread
* Re: [PATCH v2] thermal: devfreq_cooling: Fix perf state when calculate dfc res_util
@ 2024-03-22  8:50   ` Lukasz Luba
  0 siblings, 0 replies; 9+ messages in thread
From: Lukasz Luba @ 2024-03-22  8:50 UTC (permalink / raw)
  To: Ye Zhang
  Cc: tao.huang, heiko, rafael, daniel.lezcano, finley.xiao,
	linux-rockchip, linux-pm, linux-kernel, stable, rui.zhang



On 3/21/24 10:21, Ye Zhang wrote:
> The issue occurs when the devfreq cooling device uses the EM power model
> and the get_real_power() callback is provided by the driver.
> 
> The EM power table is sorted ascending，can't index the table by cooling
> device state，so convert cooling state to performance state by
> dfc->max_state - dfc->capped_state.
> 
> Fixes: 615510fe13bd ("thermal: devfreq_cooling: remove old power model and use EM")
> Cc: 5.11+ <stable@vger.kernel.org> # 5.11+
> Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
> ---
> v1 -> v2:
>    - Update the commit message.
> 
>   drivers/thermal/devfreq_cooling.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
> index 50dec24e967a..8fd7cf1932cd 100644
> --- a/drivers/thermal/devfreq_cooling.c
> +++ b/drivers/thermal/devfreq_cooling.c
> @@ -214,7 +214,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
>   
>   		res = dfc->power_ops->get_real_power(df, power, freq, voltage);
>   		if (!res) {
> -			state = dfc->capped_state;
> +			state = dfc->max_state - dfc->capped_state;
>   
>   			/* Convert EM power into milli-Watts first */
>   			rcu_read_lock();

Thanks, LGTM

Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>

_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

^ permalink raw reply	[flat|nested] 9+ messages in thread
* Re: [PATCH v2] thermal: devfreq_cooling: Fix perf state when calculate dfc res_util
  2024-03-22  8:50   ` Lukasz Luba
@ 2024-03-27 15:29     ` Rafael J. Wysocki
  -1 siblings, 0 replies; 9+ messages in thread
From: Rafael J. Wysocki @ 2024-03-27 15:29 UTC (permalink / raw)
  To: Lukasz Luba, Ye Zhang
  Cc: tao.huang, heiko, daniel.lezcano, finley.xiao, linux-rockchip,
	linux-pm, linux-kernel, rui.zhang

On Fri, Mar 22, 2024 at 9:50 AM Lukasz Luba <lukasz.luba@arm.com> wrote:
>
>
>
> On 3/21/24 10:21, Ye Zhang wrote:
> > The issue occurs when the devfreq cooling device uses the EM power model
> > and the get_real_power() callback is provided by the driver.
> >
> > The EM power table is sorted ascending，can't index the table by cooling
> > device state，so convert cooling state to performance state by
> > dfc->max_state - dfc->capped_state.
> >
> > Fixes: 615510fe13bd ("thermal: devfreq_cooling: remove old power model and use EM")
> > Cc: 5.11+ <stable@vger.kernel.org> # 5.11+
> > Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
> > ---
> > v1 -> v2:
> >    - Update the commit message.
> >
> >   drivers/thermal/devfreq_cooling.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
> > index 50dec24e967a..8fd7cf1932cd 100644
> > --- a/drivers/thermal/devfreq_cooling.c
> > +++ b/drivers/thermal/devfreq_cooling.c
> > @@ -214,7 +214,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
> >
> >               res = dfc->power_ops->get_real_power(df, power, freq, voltage);
> >               if (!res) {
> > -                     state = dfc->capped_state;
> > +                     state = dfc->max_state - dfc->capped_state;
> >
> >                       /* Convert EM power into milli-Watts first */
> >                       rcu_read_lock();
>
> Thanks, LGTM
>
> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>

Applied as 6.9-rc material, thanks!

^ permalink raw reply	[flat|nested] 9+ messages in thread
* Re: [PATCH v2] thermal: devfreq_cooling: Fix perf state when calculate dfc res_util
@ 2024-03-27 15:29     ` Rafael J. Wysocki
  0 siblings, 0 replies; 9+ messages in thread
From: Rafael J. Wysocki @ 2024-03-27 15:29 UTC (permalink / raw)
  To: Lukasz Luba, Ye Zhang
  Cc: tao.huang, heiko, daniel.lezcano, finley.xiao, linux-rockchip,
	linux-pm, linux-kernel, rui.zhang

On Fri, Mar 22, 2024 at 9:50 AM Lukasz Luba <lukasz.luba@arm.com> wrote:
>
>
>
> On 3/21/24 10:21, Ye Zhang wrote:
> > The issue occurs when the devfreq cooling device uses the EM power model
> > and the get_real_power() callback is provided by the driver.
> >
> > The EM power table is sorted ascending，can't index the table by cooling
> > device state，so convert cooling state to performance state by
> > dfc->max_state - dfc->capped_state.
> >
> > Fixes: 615510fe13bd ("thermal: devfreq_cooling: remove old power model and use EM")
> > Cc: 5.11+ <stable@vger.kernel.org> # 5.11+
> > Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
> > ---
> > v1 -> v2:
> >    - Update the commit message.
> >
> >   drivers/thermal/devfreq_cooling.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
> > index 50dec24e967a..8fd7cf1932cd 100644
> > --- a/drivers/thermal/devfreq_cooling.c
> > +++ b/drivers/thermal/devfreq_cooling.c
> > @@ -214,7 +214,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
> >
> >               res = dfc->power_ops->get_real_power(df, power, freq, voltage);
> >               if (!res) {
> > -                     state = dfc->capped_state;
> > +                     state = dfc->max_state - dfc->capped_state;
> >
> >                       /* Convert EM power into milli-Watts first */
> >                       rcu_read_lock();
>
> Thanks, LGTM
>
> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>

Applied as 6.9-rc material, thanks!

_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

^ permalink raw reply	[flat|nested] 9+ messages in thread
* [PATCH v2] thermal: devfreq_cooling: Fix perf state when calculate dfc res_util
@ 2024-03-22  1:45 Ye Zhang
  0 siblings, 0 replies; 9+ messages in thread
From: Ye Zhang @ 2024-03-22  1:45 UTC (permalink / raw)
  To: linux-kernel

The issue occurs when the devfreq cooling device uses the EM power model
and the get_real_power() callback is provided by the driver.

The EM power table is sorted ascending，can't index the table by cooling
device state，so convert cooling state to performance state by
dfc->max_state - dfc->capped_state.

Fixes: 615510fe13bd ("thermal: devfreq_cooling: remove old power model and use EM")
Cc: 5.11+ <stable@vger.kernel.org> # 5.11+
Signed-off-by: Ye Zhang <ye.zhang@rock-chips.com>
---
v1 -> v2:
  - Update the commit message.

 drivers/thermal/devfreq_cooling.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c
index 50dec24e967a..8fd7cf1932cd 100644
--- a/drivers/thermal/devfreq_cooling.c
+++ b/drivers/thermal/devfreq_cooling.c
@@ -214,7 +214,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd
 
 		res = dfc->power_ops->get_real_power(df, power, freq, voltage);
 		if (!res) {
-			state = dfc->capped_state;
+			state = dfc->max_state - dfc->capped_state;
 
 			/* Convert EM power into milli-Watts first */
 			rcu_read_lock();
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 9+ messages in thread
end of thread, other threads:[~2024-03-27 15:29 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-03-21 10:21 [PATCH v2] thermal: devfreq_cooling: Fix perf state when calculate dfc res_util Ye Zhang
2024-03-21 10:21 ` Ye Zhang
2024-03-22  8:00 ` Dhruva Gole
2024-03-22  8:00   ` Dhruva Gole
2024-03-22  8:50 ` Lukasz Luba
2024-03-22  8:50   ` Lukasz Luba
2024-03-27 15:29   ` Rafael J. Wysocki
2024-03-27 15:29     ` Rafael J. Wysocki
2024-03-22  1:45 Ye Zhang

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