From: Kan Liang Date: Mon, 7 Jul 2025 20:17:50 +0000 (-0700) Subject: perf/x86/intel/uncore: Add iMC freerunning for Panther Lake X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=829f5a6308ce11c3edaa31498a825f8c41b9e9aa;p=thirdparty%2Fkernel%2Flinux.git perf/x86/intel/uncore: Add iMC freerunning for Panther Lake PTL uncore imc freerunning counters are the same as the previous HW. Signed-off-by: Kan Liang Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Dapeng Mi Link: https://lore.kernel.org/r/20250707201750.616527-5-kan.liang@linux.intel.com --- diff --git a/arch/x86/events/intel/uncore_snb.c b/arch/x86/events/intel/uncore_snb.c index 2afd4bb7b5648..807e582b8f17d 100644 --- a/arch/x86/events/intel/uncore_snb.c +++ b/arch/x86/events/intel/uncore_snb.c @@ -1906,9 +1906,17 @@ static struct intel_uncore_type *ptl_uncores[UNCORE_PTL_MAX_NUM_UNCORE_TYPES] = [UNCORE_PTL_TYPE_HBO] = &ptl_uncore_hbo, }; +#define UNCORE_PTL_MMIO_EXTRA_UNCORES 1 + +static struct intel_uncore_type *ptl_mmio_extra_uncores[UNCORE_PTL_MMIO_EXTRA_UNCORES] = { + &adl_uncore_imc_free_running, +}; + void ptl_uncore_mmio_init(void) { - uncore_mmio_uncores = uncore_get_uncores(UNCORE_ACCESS_MMIO, 0, NULL, + uncore_mmio_uncores = uncore_get_uncores(UNCORE_ACCESS_MMIO, + UNCORE_PTL_MMIO_EXTRA_UNCORES, + ptl_mmio_extra_uncores, UNCORE_PTL_MAX_NUM_UNCORE_TYPES, ptl_uncores); }