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-rw-r--r--tools/power/cpupower/utils/helpers/amd.c31
1 files changed, 23 insertions, 8 deletions
diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c
index 6437ef3..5fd5c5b 100644
--- a/tools/power/cpupower/utils/helpers/amd.c
+++ b/tools/power/cpupower/utils/helpers/amd.c
@@ -26,6 +26,15 @@ union msr_pstate {
unsigned res3:21;
unsigned en:1;
} bits;
+ struct {
+ unsigned fid:8;
+ unsigned did:6;
+ unsigned vid:8;
+ unsigned iddval:8;
+ unsigned idddiv:2;
+ unsigned res1:30;
+ unsigned en:1;
+ } fam17h_bits;
unsigned long long val;
};
@@ -35,6 +44,8 @@ static int get_did(int family, union msr_pstate pstate)
if (family == 0x12)
t = pstate.val & 0xf;
+ else if (family == 0x17)
+ t = pstate.fam17h_bits.did;
else
t = pstate.bits.did;
@@ -44,16 +55,20 @@ static int get_did(int family, union msr_pstate pstate)
static int get_cof(int family, union msr_pstate pstate)
{
int t;
- int fid, did;
+ int fid, did, cof;
did = get_did(family, pstate);
-
- t = 0x10;
- fid = pstate.bits.fid;
- if (family == 0x11)
- t = 0x8;
-
- return (100 * (fid + t)) >> did;
+ if (family == 0x17) {
+ fid = pstate.fam17h_bits.fid;
+ cof = 200 * fid / did;
+ } else {
+ t = 0x10;
+ fid = pstate.bits.fid;
+ if (family == 0x11)
+ t = 0x8;
+ cof = (100 * (fid + t)) >> did;
+ }
+ return cof;
}
/* Needs:
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