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platform/x86/amd/pmc: Send OS_HINT command for AMDI000A platform

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To initiate the HW deep state transistion the OS_HINT command has to be
sent the PMFW. Add this support to the platforms that has AMDI000A
support.

Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
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/20231228102104.1785383-2-Shyam-sundar.S-k@amd.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Shyam Sundar S K 2023-12-28 15:50:59 +05:30 committed by Hans de Goede
parent 4527898e30
commit 9efa2a04ce
1 changed files with 1 additions and 0 deletions
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drivers/platform/x86/amd/pmc/pmc.c
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@ -751,6 +751,7 @@ static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev)
case AMD_CPU_ID_YC:
case AMD_CPU_ID_CB:
case AMD_CPU_ID_PS:
case PCI_DEVICE_ID_AMD_1AH_M20H_ROOT:
return MSG_OS_HINT_RN;
}
return -EINVAL;