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Subject[PATCH] perf/x86/intel/uncore: add support for Haswell ULT IMC uncore
Date
This uncore is the same as the Haswell desktop part but uses a
different PCI ID.

Signed-off-by: Sonny Rao <sonnyrao@chromium.org>
---
arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c | 5 +++++
include/linux/pci_ids.h | 1 +
2 files changed, 6 insertions(+)

diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c b/arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c
index 3001015..0bda6fc 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c
@@ -472,6 +472,10 @@ static const struct pci_device_id hsw_uncore_pci_ids[] = {
PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HSW_IMC),
.driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0),
},
+ { /* IMC */
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HSW_U_IMC),
+ .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0),
+ },
{ /* end: all zeroes */ },
};

@@ -502,6 +506,7 @@ static const struct imc_uncore_pci_dev desktop_imc_pci_ids[] = {
IMC_DEV(IVB_IMC, &ivb_uncore_pci_driver), /* 3rd Gen Core processor */
IMC_DEV(IVB_E3_IMC, &ivb_uncore_pci_driver), /* Xeon E3-1200 v2/3rd Gen Core processor */
IMC_DEV(HSW_IMC, &hsw_uncore_pci_driver), /* 4th Gen Core Processor */
+ IMC_DEV(HSW_U_IMC, &hsw_uncore_pci_driver), /* 4th Gen Core ULT Mobile Processor */
{ /* end marker */ }
};

diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 38cff8f..e5ae042 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2545,6 +2545,7 @@
#define PCI_DEVICE_ID_INTEL_IVB_IMC 0x0154
#define PCI_DEVICE_ID_INTEL_IVB_E3_IMC 0x0150
#define PCI_DEVICE_ID_INTEL_HSW_IMC 0x0c00
+#define PCI_DEVICE_ID_INTEL_HSW_U_IMC 0x0a04
#define PCI_DEVICE_ID_INTEL_PXHD_0 0x0320
#define PCI_DEVICE_ID_INTEL_PXHD_1 0x0321
#define PCI_DEVICE_ID_INTEL_PXH_0 0x0329
--
2.1.2


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