| Message ID | 8e617be2b0eef88781973e16a98aac6a4a08d664.1710754236.git.perry.yuan@amd.com (mailing list archive) |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | AMD Pstate Driver Core Performance Boost | expand |
On Mon, Mar 18, 2024 at 11:12 AM Perry Yuan <perry.yuan@amd.com> wrote: > > There are some other drivers also need to use the > MSR_K7_HWCR_CPB_DIS_BIT for CPB control bit, so it makes sense to move > the definition to a common header file to allow other driver to use it. > > No intentional functional impact. > > Suggested-by: Gautham Ranjal Shenoy <gautham.shenoy@amd.com> > Signed-off-by: Perry Yuan <perry.yuan@amd.com> This change is fine with me, so Acked-by: Rafael J. Wysocki <rafael@kernel.org> > --- > arch/x86/include/asm/msr-index.h | 2 ++ > drivers/cpufreq/acpi-cpufreq.c | 2 -- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h > index 05956bd8bacf..41503647192e 100644 > --- a/arch/x86/include/asm/msr-index.h > +++ b/arch/x86/include/asm/msr-index.h > @@ -775,6 +775,8 @@ > #define MSR_K7_HWCR_IRPERF_EN BIT_ULL(MSR_K7_HWCR_IRPERF_EN_BIT) > #define MSR_K7_FID_VID_CTL 0xc0010041 > #define MSR_K7_FID_VID_STATUS 0xc0010042 > +#define MSR_K7_HWCR_CPB_DIS_BIT 25 > +#define MSR_K7_HWCR_CPB_DIS BIT_ULL(MSR_K7_HWCR_CPB_DIS_BIT) > > /* K6 MSRs */ > #define MSR_K6_WHCR 0xc0000082 > diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c > index 37f1cdf46d29..2fc82831bddd 100644 > --- a/drivers/cpufreq/acpi-cpufreq.c > +++ b/drivers/cpufreq/acpi-cpufreq.c > @@ -50,8 +50,6 @@ enum { > #define AMD_MSR_RANGE (0x7) > #define HYGON_MSR_RANGE (0x7) > > -#define MSR_K7_HWCR_CPB_DIS (1ULL << 25) > - > struct acpi_cpufreq_data { > unsigned int resume; > unsigned int cpu_feature; > -- > 2.34.1 > >
[AMD Official Use Only - General] Hi Rafael, > -----Original Message----- > From: Rafael J. Wysocki <rafael@kernel.org> > Sent: Monday, March 18, 2024 8:43 PM > To: Yuan, Perry <Perry.Yuan@amd.com> > Cc: rafael.j.wysocki@intel.com; Limonciello, Mario > <Mario.Limonciello@amd.com>; viresh.kumar@linaro.org; Huang, Ray > <Ray.Huang@amd.com>; Shenoy, Gautham Ranjal > <gautham.shenoy@amd.com>; Petkov, Borislav <Borislav.Petkov@amd.com>; > 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: Re: [PATCH v6 1/6] cpufreq: acpi: move > MSR_K7_HWCR_CPB_DIS_BIT into msr-index.h > > On Mon, Mar 18, 2024 at 11:12 AM Perry Yuan <perry.yuan@amd.com> > wrote: > > > > There are some other drivers also need to use the > > MSR_K7_HWCR_CPB_DIS_BIT for CPB control bit, so it makes sense to move > > the definition to a common header file to allow other driver to use it. > > > > No intentional functional impact. > > > > Suggested-by: Gautham Ranjal Shenoy <gautham.shenoy@amd.com> > > Signed-off-by: Perry Yuan <perry.yuan@amd.com> > > This change is fine with me, so > > Acked-by: Rafael J. Wysocki <rafael@kernel.org> Thank you help to ack the change, Will pick tag in next version. Perry. > > > --- > > arch/x86/include/asm/msr-index.h | 2 ++ > > drivers/cpufreq/acpi-cpufreq.c | 2 -- > > 2 files changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/arch/x86/include/asm/msr-index.h > > b/arch/x86/include/asm/msr-index.h > > index 05956bd8bacf..41503647192e 100644 > > --- a/arch/x86/include/asm/msr-index.h > > +++ b/arch/x86/include/asm/msr-index.h > > @@ -775,6 +775,8 @@ > > #define MSR_K7_HWCR_IRPERF_EN > BIT_ULL(MSR_K7_HWCR_IRPERF_EN_BIT) > > #define MSR_K7_FID_VID_CTL 0xc0010041 > > #define MSR_K7_FID_VID_STATUS 0xc0010042 > > +#define MSR_K7_HWCR_CPB_DIS_BIT 25 > > +#define MSR_K7_HWCR_CPB_DIS > BIT_ULL(MSR_K7_HWCR_CPB_DIS_BIT) > > > > /* K6 MSRs */ > > #define MSR_K6_WHCR 0xc0000082 > > diff --git a/drivers/cpufreq/acpi-cpufreq.c > > b/drivers/cpufreq/acpi-cpufreq.c index 37f1cdf46d29..2fc82831bddd > > 100644 > > --- a/drivers/cpufreq/acpi-cpufreq.c > > +++ b/drivers/cpufreq/acpi-cpufreq.c > > @@ -50,8 +50,6 @@ enum { > > #define AMD_MSR_RANGE (0x7) > > #define HYGON_MSR_RANGE (0x7) > > > > -#define MSR_K7_HWCR_CPB_DIS (1ULL << 25) > > - > > struct acpi_cpufreq_data { > > unsigned int resume; > > unsigned int cpu_feature; > > -- > > 2.34.1 > > > >
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 05956bd8bacf..41503647192e 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -775,6 +775,8 @@ #define MSR_K7_HWCR_IRPERF_EN BIT_ULL(MSR_K7_HWCR_IRPERF_EN_BIT) #define MSR_K7_FID_VID_CTL 0xc0010041 #define MSR_K7_FID_VID_STATUS 0xc0010042 +#define MSR_K7_HWCR_CPB_DIS_BIT 25 +#define MSR_K7_HWCR_CPB_DIS BIT_ULL(MSR_K7_HWCR_CPB_DIS_BIT) /* K6 MSRs */ #define MSR_K6_WHCR 0xc0000082 diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index 37f1cdf46d29..2fc82831bddd 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -50,8 +50,6 @@ enum { #define AMD_MSR_RANGE (0x7) #define HYGON_MSR_RANGE (0x7) -#define MSR_K7_HWCR_CPB_DIS (1ULL << 25) - struct acpi_cpufreq_data { unsigned int resume; unsigned int cpu_feature;
There are some other drivers also need to use the MSR_K7_HWCR_CPB_DIS_BIT for CPB control bit, so it makes sense to move the definition to a common header file to allow other driver to use it. No intentional functional impact. Suggested-by: Gautham Ranjal Shenoy <gautham.shenoy@amd.com> Signed-off-by: Perry Yuan <perry.yuan@amd.com> --- arch/x86/include/asm/msr-index.h | 2 ++ drivers/cpufreq/acpi-cpufreq.c | 2 -- 2 files changed, 2 insertions(+), 2 deletions(-)