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authorPaolo Bonzini <pbonzini@redhat.com>2024-07-12 18:24:12 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2024-07-12 18:24:12 +0300
commitc8b8b8190a80b591aa73c27c70a668799f8db547 (patch)
tree9d948c9aac89678abe64ac81f6c43348bf4b2091 /tools/power/cpupower/utils/helpers/amd.c
parentf0a23883fad4ec8a63faddb9639a92be2e007624 (diff)
parent492ac37fa38faf520b5beae44c930063265ee183 (diff)
downloadlinux-c8b8b8190a80b591aa73c27c70a668799f8db547.tar.xz
Merge tag 'loongarch-kvm-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.11 1. Add ParaVirt steal time support. 2. Add some VM migration enhancement. 3. Add perf kvm-stat support for loongarch.
Diffstat (limited to 'tools/power/cpupower/utils/helpers/amd.c')
-rw-r--r--tools/power/cpupower/utils/helpers/amd.c26
1 files changed, 23 insertions, 3 deletions
diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c
index c519cc89c97f..0a56e22240fc 100644
--- a/tools/power/cpupower/utils/helpers/amd.c
+++ b/tools/power/cpupower/utils/helpers/amd.c
@@ -41,6 +41,16 @@ union core_pstate {
unsigned res1:31;
unsigned en:1;
} pstatedef;
+ /* since fam 1Ah: */
+ struct {
+ unsigned fid:12;
+ unsigned res1:2;
+ unsigned vid:8;
+ unsigned iddval:8;
+ unsigned idddiv:2;
+ unsigned res2:31;
+ unsigned en:1;
+ } pstatedef2;
unsigned long long val;
};
@@ -48,6 +58,10 @@ static int get_did(union core_pstate pstate)
{
int t;
+ /* Fam 1Ah onward do not use did */
+ if (cpupower_cpu_info.family >= 0x1A)
+ return 0;
+
if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATEDEF)
t = pstate.pstatedef.did;
else if (cpupower_cpu_info.family == 0x12)
@@ -61,12 +75,18 @@ static int get_did(union core_pstate pstate)
static int get_cof(union core_pstate pstate)
{
int t;
- int fid, did, cof;
+ int fid, did, cof = 0;
did = get_did(pstate);
if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATEDEF) {
- fid = pstate.pstatedef.fid;
- cof = 200 * fid / did;
+ if (cpupower_cpu_info.family >= 0x1A) {
+ fid = pstate.pstatedef2.fid;
+ if (fid > 0x0f)
+ cof = (fid * 5);
+ } else {
+ fid = pstate.pstatedef.fid;
+ cof = 200 * fid / did;
+ }
} else {
t = 0x10;
fid = pstate.pstate.fid;