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>

diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c
index a3d881f6e5d904dd4104ff8582b8a42c03188e4a..c3e51f0a5c33e2160de5f5aabc037c7863a9b30a 100644 (file)
--- 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
index 9e32d3128c3a2bd2e6920f3ad60f1fc3d48dd9bf..f1166d15c856203bdb4bf7a7cd634dd68dcf41bd 100644 (file)
--- 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 */