| Message ID | ca830355f1470ce53cd56917b0adee66c0b50f00.1657876961.git.Perry.Yuan@amd.com |
|---|---|
| State | New |
| Headers | show |
| Series | AMD Pstate Enhancement And Issue Fixs | expand |
On Fri, Jul 15, 2022 at 06:04:20PM +0800, Yuan, Perry wrote: > This MSR can be used for controlling whether the CPU boost state > is enabled in the hardware. > > AMD Processor Programming Reference (PPR) > Link: https://www.amd.com/system/files/TechDocs/40332.pdf [p1095] > Link: https://www.amd.com/system/files/TechDocs/56569-A1-PUB.zip [p162] > > Signed-off-by: Perry Yuan <Perry.Yuan@amd.com> > --- > arch/x86/include/asm/msr-index.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h > index d27e0581b777..869508de8269 100644 > --- a/arch/x86/include/asm/msr-index.h > +++ b/arch/x86/include/asm/msr-index.h > @@ -548,6 +548,7 @@ > #define MSR_AMD_CPPC_CAP2 0xc00102b2 > #define MSR_AMD_CPPC_REQ 0xc00102b3 > #define MSR_AMD_CPPC_STATUS 0xc00102b4 > +#define MSR_AMD_CPPC_HW_CTL 0xc0010015 It's actually the duplicated macro definition with MSR_K7_HWCR: #define MSR_K7_HWCR 0xc0010015 Thanks, Ray > > #define AMD_CPPC_LOWEST_PERF(x) (((x) >> 0) & 0xff) > #define AMD_CPPC_LOWNONLIN_PERF(x) (((x) >> 8) & 0xff) > -- > 2.32.0 >
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index d27e0581b777..869508de8269 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -548,6 +548,7 @@ #define MSR_AMD_CPPC_CAP2 0xc00102b2 #define MSR_AMD_CPPC_REQ 0xc00102b3 #define MSR_AMD_CPPC_STATUS 0xc00102b4 +#define MSR_AMD_CPPC_HW_CTL 0xc0010015 #define AMD_CPPC_LOWEST_PERF(x) (((x) >> 0) & 0xff) #define AMD_CPPC_LOWNONLIN_PERF(x) (((x) >> 8) & 0xff)
This MSR can be used for controlling whether the CPU boost state is enabled in the hardware. AMD Processor Programming Reference (PPR) Link: https://www.amd.com/system/files/TechDocs/40332.pdf [p1095] Link: https://www.amd.com/system/files/TechDocs/56569-A1-PUB.zip [p162] Signed-off-by: Perry Yuan <Perry.Yuan@amd.com> --- arch/x86/include/asm/msr-index.h | 1 + 1 file changed, 1 insertion(+)