| Message ID | a7fafd1a6af77329e943403705c10e3c141864e0.1710836407.git.perry.yuan@amd.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [v9,1/8] cpufreq: amd-pstate: Document *_limit_* fields in struct amd_cpudata | expand |
[AMD Official Use Only - General] > -----Original Message----- > From: Yuan, Perry <Perry.Yuan@amd.com> > Sent: Tuesday, March 19, 2024 4:29 PM > To: rafael.j.wysocki@intel.com; Limonciello, Mario > <Mario.Limonciello@amd.com>; viresh.kumar@linaro.org; Shenoy, Gautham > Ranjal <gautham.shenoy@amd.com>; Petkov, Borislav > <Borislav.Petkov@amd.com>; Huang, Ray <Ray.Huang@amd.com> > Cc: Deucher, Alexander <Alexander.Deucher@amd.com>; Huang, Shimmer > <Shimmer.Huang@amd.com>; oleksandr@natalenko.name; Du, Xiaojian > <Xiaojian.Du@amd.com>; Meng, Li (Jassmine) <Li.Meng@amd.com>; linux- > pm@vger.kernel.org; linux-kernel@vger.kernel.org > Subject: [PATCH v9 4/8] cpufreq: amd-pstate: Remove > amd_get_{min,max,nominal,lowest_nonlinear}_freq() > > From: "Gautham R. Shenoy" <gautham.shenoy@amd.com> > > amd_get_{min,max,nominal,lowest_nonlinear}_freq() functions merely > return cpudata->{min,max,nominal,lowest_nonlinear}_freq values. > > There is no loss in readability in replacing their invocations by accesses to the > corresponding members of cpudata. > > Do so and remove these helper functions. > > Signed-off-by: Gautham R. Shenoy <gautham.shenoy@amd.com> > Signed-off-by: Perry Yuan <perry.yuan@amd.com> > --- > drivers/cpufreq/amd-pstate.c | 40 +++++++++--------------------------- > 1 file changed, 10 insertions(+), 30 deletions(-) > > diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c > index ba1baa6733e6..132330b4942f 100644 > --- a/drivers/cpufreq/amd-pstate.c > +++ b/drivers/cpufreq/amd-pstate.c > @@ -604,26 +604,6 @@ static void amd_pstate_adjust_perf(unsigned int > cpu, > cpufreq_cpu_put(policy); > } > > -static int amd_get_min_freq(struct amd_cpudata *cpudata) -{ > - return READ_ONCE(cpudata->min_freq); > -} > - > -static int amd_get_max_freq(struct amd_cpudata *cpudata) -{ > - return READ_ONCE(cpudata->max_freq); > -} > - > -static int amd_get_nominal_freq(struct amd_cpudata *cpudata) -{ > - return READ_ONCE(cpudata->nominal_freq); > -} > - > -static int amd_get_lowest_nonlinear_freq(struct amd_cpudata *cpudata) -{ > - return READ_ONCE(cpudata->lowest_nonlinear_freq); > -} > - > static int amd_pstate_set_boost(struct cpufreq_policy *policy, int state) { > struct amd_cpudata *cpudata = policy->driver_data; @@ -854,10 > +834,10 @@ static int amd_pstate_cpu_init(struct cpufreq_policy *policy) > if (ret) > goto free_cpudata1; > > - min_freq = amd_get_min_freq(cpudata); > - max_freq = amd_get_max_freq(cpudata); > - nominal_freq = amd_get_nominal_freq(cpudata); > - lowest_nonlinear_freq = amd_get_lowest_nonlinear_freq(cpudata); > + min_freq = READ_ONCE(cpudata->min_freq); > + max_freq = READ_ONCE(cpudata->max_freq); > + nominal_freq = READ_ONCE(cpudata->nominal_freq); > + lowest_nonlinear_freq = READ_ONCE(cpudata- > >lowest_nonlinear_freq); > > if (min_freq < 0 || max_freq < 0 || min_freq > max_freq) { > dev_err(dev, "min_freq(%d) or max_freq(%d) value is > incorrect\n", @@ -960,7 +940,7 @@ static ssize_t > show_amd_pstate_max_freq(struct cpufreq_policy *policy, > int max_freq; > struct amd_cpudata *cpudata = policy->driver_data; > > - max_freq = amd_get_max_freq(cpudata); > + max_freq = READ_ONCE(cpudata->max_freq); > if (max_freq < 0) > return max_freq; > > @@ -973,7 +953,7 @@ static ssize_t > show_amd_pstate_lowest_nonlinear_freq(struct cpufreq_policy *poli > int freq; > struct amd_cpudata *cpudata = policy->driver_data; > > - freq = amd_get_lowest_nonlinear_freq(cpudata); > + freq = READ_ONCE(cpudata->lowest_nonlinear_freq); > if (freq < 0) > return freq; > > @@ -1315,10 +1295,10 @@ static int amd_pstate_epp_cpu_init(struct > cpufreq_policy *policy) > if (ret) > goto free_cpudata1; > > - min_freq = amd_get_min_freq(cpudata); > - max_freq = amd_get_max_freq(cpudata); > - nominal_freq = amd_get_nominal_freq(cpudata); > - lowest_nonlinear_freq = amd_get_lowest_nonlinear_freq(cpudata); > + min_freq = READ_ONCE(cpudata->min_freq); > + max_freq = READ_ONCE(cpudata->max_freq); > + nominal_freq = READ_ONCE(cpudata->nominal_freq); > + lowest_nonlinear_freq = READ_ONCE(cpudata- > >lowest_nonlinear_freq); > if (min_freq < 0 || max_freq < 0 || min_freq > max_freq) { > dev_err(dev, "min_freq(%d) or max_freq(%d) value is > incorrect\n", > min_freq, max_freq); > -- > 2.34.1 [Meng, Li (Jassmine)] Reviewed-by: Li Meng < li.meng@amd.com>
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index ba1baa6733e6..132330b4942f 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -604,26 +604,6 @@ static void amd_pstate_adjust_perf(unsigned int cpu, cpufreq_cpu_put(policy); } -static int amd_get_min_freq(struct amd_cpudata *cpudata) -{ - return READ_ONCE(cpudata->min_freq); -} - -static int amd_get_max_freq(struct amd_cpudata *cpudata) -{ - return READ_ONCE(cpudata->max_freq); -} - -static int amd_get_nominal_freq(struct amd_cpudata *cpudata) -{ - return READ_ONCE(cpudata->nominal_freq); -} - -static int amd_get_lowest_nonlinear_freq(struct amd_cpudata *cpudata) -{ - return READ_ONCE(cpudata->lowest_nonlinear_freq); -} - static int amd_pstate_set_boost(struct cpufreq_policy *policy, int state) { struct amd_cpudata *cpudata = policy->driver_data; @@ -854,10 +834,10 @@ static int amd_pstate_cpu_init(struct cpufreq_policy *policy) if (ret) goto free_cpudata1; - min_freq = amd_get_min_freq(cpudata); - max_freq = amd_get_max_freq(cpudata); - nominal_freq = amd_get_nominal_freq(cpudata); - lowest_nonlinear_freq = amd_get_lowest_nonlinear_freq(cpudata); + min_freq = READ_ONCE(cpudata->min_freq); + max_freq = READ_ONCE(cpudata->max_freq); + nominal_freq = READ_ONCE(cpudata->nominal_freq); + lowest_nonlinear_freq = READ_ONCE(cpudata->lowest_nonlinear_freq); if (min_freq < 0 || max_freq < 0 || min_freq > max_freq) { dev_err(dev, "min_freq(%d) or max_freq(%d) value is incorrect\n", @@ -960,7 +940,7 @@ static ssize_t show_amd_pstate_max_freq(struct cpufreq_policy *policy, int max_freq; struct amd_cpudata *cpudata = policy->driver_data; - max_freq = amd_get_max_freq(cpudata); + max_freq = READ_ONCE(cpudata->max_freq); if (max_freq < 0) return max_freq; @@ -973,7 +953,7 @@ static ssize_t show_amd_pstate_lowest_nonlinear_freq(struct cpufreq_policy *poli int freq; struct amd_cpudata *cpudata = policy->driver_data; - freq = amd_get_lowest_nonlinear_freq(cpudata); + freq = READ_ONCE(cpudata->lowest_nonlinear_freq); if (freq < 0) return freq; @@ -1315,10 +1295,10 @@ static int amd_pstate_epp_cpu_init(struct cpufreq_policy *policy) if (ret) goto free_cpudata1; - min_freq = amd_get_min_freq(cpudata); - max_freq = amd_get_max_freq(cpudata); - nominal_freq = amd_get_nominal_freq(cpudata); - lowest_nonlinear_freq = amd_get_lowest_nonlinear_freq(cpudata); + min_freq = READ_ONCE(cpudata->min_freq); + max_freq = READ_ONCE(cpudata->max_freq); + nominal_freq = READ_ONCE(cpudata->nominal_freq); + lowest_nonlinear_freq = READ_ONCE(cpudata->lowest_nonlinear_freq); if (min_freq < 0 || max_freq < 0 || min_freq > max_freq) { dev_err(dev, "min_freq(%d) or max_freq(%d) value is incorrect\n", min_freq, max_freq);