[PATCH 4.18 187/350] cpupower: Fix AMD Family 0x17 msr_pstate size

[Greg Kroah-Hartman]

4.18-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;