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UPSTREAM: arm64: perf: Support Denver and Carmel PMUs

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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>
Link: https://lore.kernel.org/r/5f0f69d47acca78a9e479501aa4d8b429e23cf11.1639490264.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
(cherry picked from commit d4c4844a9b47dc1c7e8ccce0cdd899602f5479fd)
Signed-off-by: Will Deacon <willdeacon@google.com>
Bug: 238597093
Change-Id: I078644d2bb973fb7bd6777ad0bb702c430c05967
This commit is contained in:
Thierry Reding
2021-12-14 14:16:13 +00:00
committed by Will Deacon
parent d306fd9d47
commit bb6c018ab6
1 changed files with 14 additions and 0 deletions
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14
arch/arm64/kernel/perf_event.c
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@@ -1218,6 +1218,18 @@ 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},
@@ -1236,6 +1248,8 @@ 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},
{},
};