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* [PATCH v1] platform/x86/amd/pmc: Send OS_HINT command for new AMD platform
@ 2024-07-18 15:01 Shyam Sundar S K
  2024-07-18 15:03 ` Ilpo Järvinen
  2024-07-30 12:47 ` Ilpo Järvinen
  0 siblings, 2 replies; 3+ messages in thread
From: Shyam Sundar S K @ 2024-07-18 15:01 UTC (permalink / raw)
  To: hdegoede, ilpo.jarvinen
  Cc: Sanket.Goswami, platform-driver-x86, Shyam Sundar S K

To initiate the HW deep state transistion 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>
---
 drivers/platform/x86/amd/pmc/pmc.c | 2 ++
 drivers/platform/x86/amd/pmc/pmc.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c
index a3d881f6e5d9..c3e51f0a5c33 100644
--- 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 9e32d3128c3a..f1166d15c856 100644
--- 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 */
-- 
2.25.1


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end of thread, other threads:[~2024-07-30 12:47 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2024-07-18 15:01 [PATCH v1] platform/x86/amd/pmc: Send OS_HINT command for new AMD platform Shyam Sundar S K
2024-07-18 15:03 ` Ilpo Järvinen
2024-07-30 12:47 ` Ilpo Järvinen

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