platform/x86/amd/pmc: Send OS_HINT command for new AMD platform

To initiate the HW deep state transition, the OS_HINT command has to be sent to the PMFW. Add this support to the platforms that belong to family 1Ah model 60h series. Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20240718150119.3427190-1-Shyam-sundar.S-k@amd.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
mariux64 · Jul 30, 2024 · 426463d · 426463d
1 parent 4c83ee4
commit 426463d
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diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c
@@ -764,6 +764,7 @@ static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev)
 	case AMD_CPU_ID_CB:
 	case AMD_CPU_ID_PS:
 	case PCI_DEVICE_ID_AMD_1AH_M20H_ROOT:
+	case PCI_DEVICE_ID_AMD_1AH_M60H_ROOT:
 		return MSG_OS_HINT_RN;
 	}
 	return -EINVAL;
@@ -967,6 +968,7 @@ static const struct pci_device_id pmc_pci_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_RV) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_SP) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_1AH_M20H_ROOT) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_1AH_M60H_ROOT) },
 	{ }
 };
 

diff --git a/drivers/platform/x86/amd/pmc/pmc.h b/drivers/platform/x86/amd/pmc/pmc.h
@@ -67,6 +67,7 @@ void amd_mp2_stb_deinit(struct amd_pmc_dev *dev);
 #define AMD_CPU_ID_PS			0x14E8
 #define AMD_CPU_ID_SP			0x14A4
 #define PCI_DEVICE_ID_AMD_1AH_M20H_ROOT 0x1507
+#define PCI_DEVICE_ID_AMD_1AH_M60H_ROOT 0x1122
 #define PCI_DEVICE_ID_AMD_MP2_STB	0x172c
 
 #endif /* PMC_H */