[PATCH 3/6] platform/x86:intel/pmc: Add DMU GUID to Arrow Lake U/H

From: Xi Pardee

Date: Tue Oct 14 2025 - 17:46:23 EST


Arrow Lake U/H platforms may have multiple GUIDs pointing to the
same telemetry region. Add the second possible GUID to the GUID
list to support the Arrow Lake U/H platforms with this GUID.

Signed-off-by: Xi Pardee <xi.pardee@xxxxxxxxxxxxxxx>
---
drivers/platform/x86/intel/pmc/arl.c | 2 +-
drivers/platform/x86/intel/pmc/core.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/x86/intel/pmc/arl.c b/drivers/platform/x86/intel/pmc/arl.c
index cc05a168c3721..c0698ef35df89 100644
--- a/drivers/platform/x86/intel/pmc/arl.c
+++ b/drivers/platform/x86/intel/pmc/arl.c
@@ -733,7 +733,7 @@ struct pmc_dev_info arl_pmc_dev = {
.sub_req = pmc_core_pmt_get_lpm_req,
};

-static u32 ARL_H_PMT_DMU_GUIDS[] = {ARL_PMT_DMU_GUID, 0x0};
+static u32 ARL_H_PMT_DMU_GUIDS[] = {ARL_PMT_DMU_GUID, ARL_H_PMT_DMU_GUID, 0x0};
struct pmc_dev_info arl_h_pmc_dev = {
.pci_func = 2,
.dmu_guids = ARL_H_PMT_DMU_GUIDS,
diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h
index 83d6e2e833785..d80257b37ca98 100644
--- a/drivers/platform/x86/intel/pmc/core.h
+++ b/drivers/platform/x86/intel/pmc/core.h
@@ -283,6 +283,7 @@ enum ppfear_regs {
#define MTL_PMT_DMU_DIE_C6_OFFSET 15
#define MTL_PMT_DMU_GUID 0x1A067102
#define ARL_PMT_DMU_GUID 0x1A06A102
+#define ARL_H_PMT_DMU_GUID 0x1A06A101

#define LNL_PMC_MMIO_REG_LEN 0x2708
#define LNL_PMC_LTR_OSSE 0x1B88
--
2.43.0