4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Prarit Bhargava <prarit@xxxxxxxxxx> [ Upstream commit 8c22e2f695920ebd94f9a53bcf2a65eb36d4dba1 ] 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 <prarit@xxxxxxxxxx> Cc: Shuah Khan <shuah@xxxxxxxxxx> Cc: Stafford Horne <shorne@xxxxxxxxx> Signed-off-by: Shuah Khan (Samsung OSG) <shuah@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- tools/power/cpupower/utils/helpers/amd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- 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;