subject:"\[PATCH RFC 3\/3\] Update current cpu power when cpu freq change for exynos."

[PATCH RFC 3/3] Update current cpu power when cpu freq change for exynos.

2013-07-30 Thread Konstantin Krivyakin

Signed-off-by: Konstantin Krivyakin 
---
 drivers/cpufreq/exynos-cpufreq.c |2 ++
 drivers/cpufreq/exynos-cpufreq.h |1 +
 drivers/cpufreq/exynos4x12-cpufreq.c |   19 ++-
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index 0d32f02..02f17bc 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -178,6 +178,8 @@ static int exynos_target(struct cpufreq_policy *policy,
}
 
new_freq = freq_table[index].frequency;
+   if (exynos_info->power_table)
+   policy->current_power = exynos_info->power_table[index];
 
ret = exynos_cpufreq_scale(new_freq);
 
diff --git a/drivers/cpufreq/exynos-cpufreq.h b/drivers/cpufreq/exynos-cpufreq.h
index 92b852e..64f964f 100644
--- a/drivers/cpufreq/exynos-cpufreq.h
+++ b/drivers/cpufreq/exynos-cpufreq.h
@@ -38,6 +38,7 @@ struct exynos_dvfs_info {
unsigned intpll_safe_idx;
struct clk  *cpu_clk;
unsigned int*volt_table;
+   u64 *power_table;
struct cpufreq_frequency_table  *freq_table;
void (*set_freq)(unsigned int, unsigned int);
bool (*need_apll_change)(unsigned int, unsigned int);
diff --git a/drivers/cpufreq/exynos4x12-cpufreq.c 
b/drivers/cpufreq/exynos4x12-cpufreq.c
index 08b7477..8905f9b 100644
--- a/drivers/cpufreq/exynos4x12-cpufreq.c
+++ b/drivers/cpufreq/exynos4x12-cpufreq.c
@@ -219,6 +219,7 @@ static void exynos4x12_set_frequency(unsigned int old_index,
 int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
 {
unsigned long rate;
+   int freq_count;
 
cpu_clk = clk_get(NULL, "armclk");
if (IS_ERR(cpu_clk))
@@ -252,8 +253,24 @@ int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
info->set_freq = exynos4x12_set_frequency;
info->need_apll_change = exynos4x12_pms_change;
 
-   return 0;
+   freq_count = sizeof(exynos4x12_freq_table) /
+   sizeof(struct cpufreq_frequency_table);
+   info->power_table = kzalloc(sizeof(u64) * freq_count, GFP_KERNEL);
+   if (!info->power_table)
+   goto err_power_table;
+
+   for (i = 0; i <= freq_count; ++i) {
+   u64 freq = info->freq_table[i].frequency;
+   u64 volt = info->volt_table[i];
 
+   do_div(freq, 1000);
+   do_div(volt, 1000);
+   info->power_table[i] = freq * volt * volt;
+   }
+
+   return 0;
+err_power_table:
+   clk_put(mout_appl);
 err_mout_apll:
clk_put(mout_mpll);
 err_mout_mpll:
-- 
1.7.9.5

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[PATCH RFC 3/3] Update current cpu power when cpu freq change for exynos.

2013-07-30 Thread Konstantin Krivyakin

Signed-off-by: Konstantin Krivyakin k.krivya...@samsung.com
---
 drivers/cpufreq/exynos-cpufreq.c |2 ++
 drivers/cpufreq/exynos-cpufreq.h |1 +
 drivers/cpufreq/exynos4x12-cpufreq.c |   19 ++-
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index 0d32f02..02f17bc 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -178,6 +178,8 @@ static int exynos_target(struct cpufreq_policy *policy,
}
 
new_freq = freq_table[index].frequency;
+   if (exynos_info-power_table)
+   policy-current_power = exynos_info-power_table[index];
 
ret = exynos_cpufreq_scale(new_freq);
 
diff --git a/drivers/cpufreq/exynos-cpufreq.h b/drivers/cpufreq/exynos-cpufreq.h
index 92b852e..64f964f 100644
--- a/drivers/cpufreq/exynos-cpufreq.h
+++ b/drivers/cpufreq/exynos-cpufreq.h
@@ -38,6 +38,7 @@ struct exynos_dvfs_info {
unsigned intpll_safe_idx;
struct clk  *cpu_clk;
unsigned int*volt_table;
+   u64 *power_table;
struct cpufreq_frequency_table  *freq_table;
void (*set_freq)(unsigned int, unsigned int);
bool (*need_apll_change)(unsigned int, unsigned int);
diff --git a/drivers/cpufreq/exynos4x12-cpufreq.c 
b/drivers/cpufreq/exynos4x12-cpufreq.c
index 08b7477..8905f9b 100644
--- a/drivers/cpufreq/exynos4x12-cpufreq.c
+++ b/drivers/cpufreq/exynos4x12-cpufreq.c
@@ -219,6 +219,7 @@ static void exynos4x12_set_frequency(unsigned int old_index,
 int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
 {
unsigned long rate;
+   int freq_count;
 
cpu_clk = clk_get(NULL, armclk);
if (IS_ERR(cpu_clk))
@@ -252,8 +253,24 @@ int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
info-set_freq = exynos4x12_set_frequency;
info-need_apll_change = exynos4x12_pms_change;
 
-   return 0;
+   freq_count = sizeof(exynos4x12_freq_table) /
+   sizeof(struct cpufreq_frequency_table);
+   info-power_table = kzalloc(sizeof(u64) * freq_count, GFP_KERNEL);
+   if (!info-power_table)
+   goto err_power_table;
+
+   for (i = 0; i = freq_count; ++i) {
+   u64 freq = info-freq_table[i].frequency;
+   u64 volt = info-volt_table[i];
 
+   do_div(freq, 1000);
+   do_div(volt, 1000);
+   info-power_table[i] = freq * volt * volt;
+   }
+
+   return 0;
+err_power_table:
+   clk_put(mout_appl);
 err_mout_apll:
clk_put(mout_mpll);
 err_mout_mpll:
-- 
1.7.9.5

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Re: [PATCH RFC 3/3] Update current cpu power when cpu freq change for exynos.

2013-07-04 Thread Kyungmin Park

+ cpufreq maintainers

On Fri, Jul 5, 2013 at 12:17 AM, Konstantin Krivyakin
 wrote:
> Signed-off-by: Konstantin Krivyakin 
> ---
>  drivers/cpufreq/exynos-cpufreq.c |2 ++
>  drivers/cpufreq/exynos-cpufreq.h |1 +
>  drivers/cpufreq/exynos4x12-cpufreq.c |   19 ++-
>  3 files changed, 21 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/exynos-cpufreq.c 
> b/drivers/cpufreq/exynos-cpufreq.c
> index 0d32f02..02f17bc 100644
> --- a/drivers/cpufreq/exynos-cpufreq.c
> +++ b/drivers/cpufreq/exynos-cpufreq.c
> @@ -178,6 +178,8 @@ static int exynos_target(struct cpufreq_policy *policy,
> }
>
> new_freq = freq_table[index].frequency;
> +   if (exynos_info->power_table)
> +   policy->current_power = exynos_info->power_table[index];
>
> ret = exynos_cpufreq_scale(new_freq);
>
> diff --git a/drivers/cpufreq/exynos-cpufreq.h 
> b/drivers/cpufreq/exynos-cpufreq.h
> index 92b852e..64f964f 100644
> --- a/drivers/cpufreq/exynos-cpufreq.h
> +++ b/drivers/cpufreq/exynos-cpufreq.h
> @@ -38,6 +38,7 @@ struct exynos_dvfs_info {
> unsigned intpll_safe_idx;
> struct clk  *cpu_clk;
> unsigned int*volt_table;
> +   u64 *power_table;
> struct cpufreq_frequency_table  *freq_table;
> void (*set_freq)(unsigned int, unsigned int);
> bool (*need_apll_change)(unsigned int, unsigned int);
> diff --git a/drivers/cpufreq/exynos4x12-cpufreq.c 
> b/drivers/cpufreq/exynos4x12-cpufreq.c
> index 08b7477..8905f9b 100644
> --- a/drivers/cpufreq/exynos4x12-cpufreq.c
> +++ b/drivers/cpufreq/exynos4x12-cpufreq.c
> @@ -219,6 +219,7 @@ static void exynos4x12_set_frequency(unsigned int 
> old_index,
>  int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
>  {
> unsigned long rate;
> +   int freq_count;
>
> cpu_clk = clk_get(NULL, "armclk");
> if (IS_ERR(cpu_clk))
> @@ -252,8 +253,24 @@ int exynos4x12_cpufreq_init(struct exynos_dvfs_info 
> *info)
> info->set_freq = exynos4x12_set_frequency;
> info->need_apll_change = exynos4x12_pms_change;
>
> -   return 0;
> +   freq_count = sizeof(exynos4x12_freq_table) /
> +   sizeof(struct cpufreq_frequency_table);
> +   info->power_table = kzalloc(sizeof(u64) * freq_count, GFP_KERNEL);
> +   if (!info->power_table)
> +   goto err_power_table;
> +
> +   for (i = 0; i <= freq_count; ++i) {
> +   u64 freq = info->freq_table[i].frequency;
> +   u64 volt = info->volt_table[i];
>
> +   do_div(freq, 1000);
> +   do_div(volt, 1000);
> +   info->power_table[i] = freq * volt * volt;
> +   }
> +
> +   return 0;
> +err_power_table:
> +   clk_put(mout_appl);
>  err_mout_apll:
> clk_put(mout_mpll);
>  err_mout_mpll:
> --
> 1.7.9.5
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majord...@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
--
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[PATCH RFC 3/3] Update current cpu power when cpu freq change for exynos.

2013-07-04 Thread Konstantin Krivyakin

Signed-off-by: Konstantin Krivyakin 
---
 drivers/cpufreq/exynos-cpufreq.c |2 ++
 drivers/cpufreq/exynos-cpufreq.h |1 +
 drivers/cpufreq/exynos4x12-cpufreq.c |   19 ++-
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index 0d32f02..02f17bc 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -178,6 +178,8 @@ static int exynos_target(struct cpufreq_policy *policy,
}
 
new_freq = freq_table[index].frequency;
+   if (exynos_info->power_table)
+   policy->current_power = exynos_info->power_table[index];
 
ret = exynos_cpufreq_scale(new_freq);
 
diff --git a/drivers/cpufreq/exynos-cpufreq.h b/drivers/cpufreq/exynos-cpufreq.h
index 92b852e..64f964f 100644
--- a/drivers/cpufreq/exynos-cpufreq.h
+++ b/drivers/cpufreq/exynos-cpufreq.h
@@ -38,6 +38,7 @@ struct exynos_dvfs_info {
unsigned intpll_safe_idx;
struct clk  *cpu_clk;
unsigned int*volt_table;
+   u64 *power_table;
struct cpufreq_frequency_table  *freq_table;
void (*set_freq)(unsigned int, unsigned int);
bool (*need_apll_change)(unsigned int, unsigned int);
diff --git a/drivers/cpufreq/exynos4x12-cpufreq.c 
b/drivers/cpufreq/exynos4x12-cpufreq.c
index 08b7477..8905f9b 100644
--- a/drivers/cpufreq/exynos4x12-cpufreq.c
+++ b/drivers/cpufreq/exynos4x12-cpufreq.c
@@ -219,6 +219,7 @@ static void exynos4x12_set_frequency(unsigned int old_index,
 int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
 {
unsigned long rate;
+   int freq_count;
 
cpu_clk = clk_get(NULL, "armclk");
if (IS_ERR(cpu_clk))
@@ -252,8 +253,24 @@ int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
info->set_freq = exynos4x12_set_frequency;
info->need_apll_change = exynos4x12_pms_change;
 
-   return 0;
+   freq_count = sizeof(exynos4x12_freq_table) /
+   sizeof(struct cpufreq_frequency_table);
+   info->power_table = kzalloc(sizeof(u64) * freq_count, GFP_KERNEL);
+   if (!info->power_table)
+   goto err_power_table;
+
+   for (i = 0; i <= freq_count; ++i) {
+   u64 freq = info->freq_table[i].frequency;
+   u64 volt = info->volt_table[i];
 
+   do_div(freq, 1000);
+   do_div(volt, 1000);
+   info->power_table[i] = freq * volt * volt;
+   }
+
+   return 0;
+err_power_table:
+   clk_put(mout_appl);
 err_mout_apll:
clk_put(mout_mpll);
 err_mout_mpll:
-- 
1.7.9.5

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[PATCH RFC 3/3] Update current cpu power when cpu freq change for exynos.

2013-07-04 Thread Konstantin Krivyakin

Signed-off-by: Konstantin Krivyakin k.krivya...@samsung.com
---
 drivers/cpufreq/exynos-cpufreq.c |2 ++
 drivers/cpufreq/exynos-cpufreq.h |1 +
 drivers/cpufreq/exynos4x12-cpufreq.c |   19 ++-
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index 0d32f02..02f17bc 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -178,6 +178,8 @@ static int exynos_target(struct cpufreq_policy *policy,
}
 
new_freq = freq_table[index].frequency;
+   if (exynos_info-power_table)
+   policy-current_power = exynos_info-power_table[index];
 
ret = exynos_cpufreq_scale(new_freq);
 
diff --git a/drivers/cpufreq/exynos-cpufreq.h b/drivers/cpufreq/exynos-cpufreq.h
index 92b852e..64f964f 100644
--- a/drivers/cpufreq/exynos-cpufreq.h
+++ b/drivers/cpufreq/exynos-cpufreq.h
@@ -38,6 +38,7 @@ struct exynos_dvfs_info {
unsigned intpll_safe_idx;
struct clk  *cpu_clk;
unsigned int*volt_table;
+   u64 *power_table;
struct cpufreq_frequency_table  *freq_table;
void (*set_freq)(unsigned int, unsigned int);
bool (*need_apll_change)(unsigned int, unsigned int);
diff --git a/drivers/cpufreq/exynos4x12-cpufreq.c 
b/drivers/cpufreq/exynos4x12-cpufreq.c
index 08b7477..8905f9b 100644
--- a/drivers/cpufreq/exynos4x12-cpufreq.c
+++ b/drivers/cpufreq/exynos4x12-cpufreq.c
@@ -219,6 +219,7 @@ static void exynos4x12_set_frequency(unsigned int old_index,
 int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
 {
unsigned long rate;
+   int freq_count;
 
cpu_clk = clk_get(NULL, armclk);
if (IS_ERR(cpu_clk))
@@ -252,8 +253,24 @@ int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
info-set_freq = exynos4x12_set_frequency;
info-need_apll_change = exynos4x12_pms_change;
 
-   return 0;
+   freq_count = sizeof(exynos4x12_freq_table) /
+   sizeof(struct cpufreq_frequency_table);
+   info-power_table = kzalloc(sizeof(u64) * freq_count, GFP_KERNEL);
+   if (!info-power_table)
+   goto err_power_table;
+
+   for (i = 0; i = freq_count; ++i) {
+   u64 freq = info-freq_table[i].frequency;
+   u64 volt = info-volt_table[i];
 
+   do_div(freq, 1000);
+   do_div(volt, 1000);
+   info-power_table[i] = freq * volt * volt;
+   }
+
+   return 0;
+err_power_table:
+   clk_put(mout_appl);
 err_mout_apll:
clk_put(mout_mpll);
 err_mout_mpll:
-- 
1.7.9.5

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Re: [PATCH RFC 3/3] Update current cpu power when cpu freq change for exynos.

2013-07-04 Thread Kyungmin Park

+ cpufreq maintainers

On Fri, Jul 5, 2013 at 12:17 AM, Konstantin Krivyakin
k.krivya...@samsung.com wrote:
 Signed-off-by: Konstantin Krivyakin k.krivya...@samsung.com
 ---
  drivers/cpufreq/exynos-cpufreq.c |2 ++
  drivers/cpufreq/exynos-cpufreq.h |1 +
  drivers/cpufreq/exynos4x12-cpufreq.c |   19 ++-
  3 files changed, 21 insertions(+), 1 deletion(-)

 diff --git a/drivers/cpufreq/exynos-cpufreq.c 
 b/drivers/cpufreq/exynos-cpufreq.c
 index 0d32f02..02f17bc 100644
 --- a/drivers/cpufreq/exynos-cpufreq.c
 +++ b/drivers/cpufreq/exynos-cpufreq.c
 @@ -178,6 +178,8 @@ static int exynos_target(struct cpufreq_policy *policy,
 }

 new_freq = freq_table[index].frequency;
 +   if (exynos_info-power_table)
 +   policy-current_power = exynos_info-power_table[index];

 ret = exynos_cpufreq_scale(new_freq);

 diff --git a/drivers/cpufreq/exynos-cpufreq.h 
 b/drivers/cpufreq/exynos-cpufreq.h
 index 92b852e..64f964f 100644
 --- a/drivers/cpufreq/exynos-cpufreq.h
 +++ b/drivers/cpufreq/exynos-cpufreq.h
 @@ -38,6 +38,7 @@ struct exynos_dvfs_info {
 unsigned intpll_safe_idx;
 struct clk  *cpu_clk;
 unsigned int*volt_table;
 +   u64 *power_table;
 struct cpufreq_frequency_table  *freq_table;
 void (*set_freq)(unsigned int, unsigned int);
 bool (*need_apll_change)(unsigned int, unsigned int);
 diff --git a/drivers/cpufreq/exynos4x12-cpufreq.c 
 b/drivers/cpufreq/exynos4x12-cpufreq.c
 index 08b7477..8905f9b 100644
 --- a/drivers/cpufreq/exynos4x12-cpufreq.c
 +++ b/drivers/cpufreq/exynos4x12-cpufreq.c
 @@ -219,6 +219,7 @@ static void exynos4x12_set_frequency(unsigned int 
 old_index,
  int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
  {
 unsigned long rate;
 +   int freq_count;

 cpu_clk = clk_get(NULL, armclk);
 if (IS_ERR(cpu_clk))
 @@ -252,8 +253,24 @@ int exynos4x12_cpufreq_init(struct exynos_dvfs_info 
 *info)
 info-set_freq = exynos4x12_set_frequency;
 info-need_apll_change = exynos4x12_pms_change;

 -   return 0;
 +   freq_count = sizeof(exynos4x12_freq_table) /
 +   sizeof(struct cpufreq_frequency_table);
 +   info-power_table = kzalloc(sizeof(u64) * freq_count, GFP_KERNEL);
 +   if (!info-power_table)
 +   goto err_power_table;
 +
 +   for (i = 0; i = freq_count; ++i) {
 +   u64 freq = info-freq_table[i].frequency;
 +   u64 volt = info-volt_table[i];

 +   do_div(freq, 1000);
 +   do_div(volt, 1000);
 +   info-power_table[i] = freq * volt * volt;
 +   }
 +
 +   return 0;
 +err_power_table:
 +   clk_put(mout_appl);
  err_mout_apll:
 clk_put(mout_mpll);
  err_mout_mpll:
 --
 1.7.9.5

 --
 To unsubscribe from this list: send the line unsubscribe linux-kernel in
 the body of a message to majord...@vger.kernel.org
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 Please read the FAQ at  http://www.tux.org/lkml/
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[PATCH RFC 3/3] Update current cpu power when cpu freq change for exynos.

[PATCH RFC 3/3] Update current cpu power when cpu freq change for exynos.

Re: [PATCH RFC 3/3] Update current cpu power when cpu freq change for exynos.

[PATCH RFC 3/3] Update current cpu power when cpu freq change for exynos.

[PATCH RFC 3/3] Update current cpu power when cpu freq change for exynos.

Re: [PATCH RFC 3/3] Update current cpu power when cpu freq change for exynos.

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