From: Kan Liang <kan.liang@linux.intel.com>

PTL uncore imc freerunning counters are the same as the previous HW.

Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
---
 arch/x86/events/intel/uncore_snb.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/x86/events/intel/uncore_snb.c b/arch/x86/events/intel/uncore_snb.c
index 817dddc1454d..a8c4afc9cdff 100644
--- a/arch/x86/events/intel/uncore_snb.c
+++ b/arch/x86/events/intel/uncore_snb.c
@@ -1905,9 +1905,17 @@ 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);
 }
-- 
2.38.1

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     829f5a6308ce11c3edaa31498a825f8c41b9e9aa
Gitweb:        https://git.kernel.org/tip/829f5a6308ce11c3edaa31498a825f8c41b9e9aa
Author:        Kan Liang <kan.liang@linux.intel.com>
AuthorDate:    Mon, 07 Jul 2025 13:17:50 -07:00
Committer:     Peter Zijlstra <peterz@infradead.org>
CommitterDate: Wed, 09 Jul 2025 13:40:20 +02:00

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 <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Link: https://lore.kernel.org/r/20250707201750.616527-5-kan.liang@linux.intel.com
---
 arch/x86/events/intel/uncore_snb.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/x86/events/intel/uncore_snb.c b/arch/x86/events/intel/uncore_snb.c
index 2afd4bb..807e582 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);
 }