From 8c22e2f695920ebd94f9a53bcf2a65eb36d4dba1 Mon Sep 17 00:00:00 2001 From: Prarit Bhargava Date: Mon, 8 Oct 2018 11:06:18 -0400 Subject: [PATCH] cpupower: Fix AMD Family 0x17 msr_pstate size The msr_pstate data is only 63 bits long and should be 64 bits. Add in the missing bit from res1 for AMD Family 0x17. Reference: https://www.amd.com/system/files/TechDocs/54945_PPR_Family_17h_Models_00h-0Fh.pdf, page 138. Signed-off-by: Prarit Bhargava Cc: Shuah Khan Cc: Stafford Horne Signed-off-by: Shuah Khan (Samsung OSG) --- tools/power/cpupower/utils/helpers/amd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c index bb41cdd0df6b..eed31b27909b 100644 --- a/tools/power/cpupower/utils/helpers/amd.c +++ b/tools/power/cpupower/utils/helpers/amd.c @@ -33,7 +33,7 @@ union msr_pstate { unsigned vid:8; unsigned iddval:8; unsigned idddiv:2; - unsigned res1:30; + unsigned res1:31; unsigned en:1; } fam17h_bits; unsigned long long val;