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authorZhang Rui <rui.zhang@intel.com>2025-10-23 15:37:52 -0700
committerPeter Zijlstra <peterz@infradead.org>2025-10-29 10:29:54 +0100
commit4ba45f041abe60337fdeeb68553b9ee1217d544e (patch)
tree0b02659c8ab1072e426c52848324ea69562bc778
parente39b82f6cb0526c551d4651ba6d286b6b1f9e9c3 (diff)
perf/x86/intel/cstate: Remove PC3 support from LunarLake
LunarLake doesn't support Package C3. Remove the PC3 residency counter support from LunarLake. Fixes: 26579860fbd5 ("perf/x86/intel/cstate: Add Lunarlake support") Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Link: https://patch.msgid.link/20251023223754.1743928-3-zide.chen@intel.com
-rw-r--r--arch/x86/events/intel/cstate.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index a5f2e0be2337..2bfd011f99da 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -70,7 +70,7 @@
* perf code: 0x01
* Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,KNL,
* GLM,CNL,KBL,CML,ICL,TGL,TNT,RKL,
- * ADL,RPL,MTL,ARL,LNL
+ * ADL,RPL,MTL,ARL
* Scope: Package (physical package)
* MSR_PKG_C6_RESIDENCY: Package C6 Residency Counter.
* perf code: 0x02
@@ -522,7 +522,6 @@ static const struct cstate_model lnl_cstates __initconst = {
BIT(PERF_CSTATE_CORE_C7_RES),
.pkg_events = BIT(PERF_CSTATE_PKG_C2_RES) |
- BIT(PERF_CSTATE_PKG_C3_RES) |
BIT(PERF_CSTATE_PKG_C6_RES) |
BIT(PERF_CSTATE_PKG_C10_RES),
};