diff mbox series

[v2,1/5] arm64: perf: Support Denver and Carmel PMUs

Message ID 5f0f69d47acca78a9e479501aa4d8b429e23cf11.1639490264.git.robin.murphy@arm.com (mailing list archive)
State New, archived
Headers show
Series arm64: PMU updates | expand

Commit Message

Robin Murphy Dec. 14, 2021, 2:16 p.m. UTC 
From: Thierry Reding <treding@nvidia.com>

Add support for the NVIDIA Denver and Carmel PMUs using the generic
PMUv3 event map for now.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
[ rm: reorder entries alphabetically ]
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
 arch/arm64/kernel/perf_event.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

v2: Newly picked up
diff mbox series

Patch

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index b4044469527e..035da52e04bf 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -1247,6 +1247,18 @@  static int armv8_vulcan_pmu_init(struct arm_pmu *cpu_pmu)
 				       armv8_vulcan_map_event);
 }
 
+static int armv8_carmel_pmu_init(struct arm_pmu *cpu_pmu)
+{
+	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_nvidia_carmel",
+				       armv8_pmuv3_map_event);
+}
+
+static int armv8_denver_pmu_init(struct arm_pmu *cpu_pmu)
+{
+	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_nvidia_denver",
+				       armv8_pmuv3_map_event);
+}
+
 static const struct of_device_id armv8_pmu_of_device_ids[] = {
 	{.compatible = "arm,armv8-pmuv3",	.data = armv8_pmuv3_init},
 	{.compatible = "arm,cortex-a34-pmu",	.data = armv8_a34_pmu_init},
@@ -1265,6 +1277,8 @@  static const struct of_device_id armv8_pmu_of_device_ids[] = {
 	{.compatible = "arm,neoverse-n1-pmu",	.data = armv8_n1_pmu_init},
 	{.compatible = "cavium,thunder-pmu",	.data = armv8_thunder_pmu_init},
 	{.compatible = "brcm,vulcan-pmu",	.data = armv8_vulcan_pmu_init},
+	{.compatible = "nvidia,carmel-pmu",	.data = armv8_carmel_pmu_init},
+	{.compatible = "nvidia,denver-pmu",	.data = armv8_denver_pmu_init},
 	{},
 };