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| author | Zhang Rui <rui.zhang@intel.com> | 2025-10-23 15:37:52 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-12-18 14:02:42 +0100 |
| commit | 75446d62696c9cf486074e49844922e1de732381 (patch) | |
| tree | 5dff09662df811c60f100dd8ee38215099ebe118 /arch | |
| parent | 4669a8db976c8cbd5427fe9945f12c5fa5168ff3 (diff) | |
| download | linux-75446d62696c9cf486074e49844922e1de732381.tar.gz linux-75446d62696c9cf486074e49844922e1de732381.tar.bz2 linux-75446d62696c9cf486074e49844922e1de732381.zip | |
perf/x86/intel/cstate: Remove PC3 support from LunarLake
[ Upstream commit 4ba45f041abe60337fdeeb68553b9ee1217d544e ]
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
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/events/intel/cstate.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c index ec753e39b007..6f5286a99e0c 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), }; |